1、【增加】RT-Thread 系统 Demo。

Signed-off-by: armink <armink.ztl@gmail.com>
This commit is contained in:
armink
2017-04-15 15:14:49 +08:00
parent cee09e4a57
commit b536a063d6
247 changed files with 137359 additions and 2 deletions
@@ -0,0 +1,45 @@
Import('rtconfig')
from building import *
cwd = GetCurrentDir()
src = Split('''
shell.c
symbol.c
cmd.c
''')
fsh_src = Split('''
finsh_compiler.c
finsh_error.c
finsh_heap.c
finsh_init.c
finsh_node.c
finsh_ops.c
finsh_parser.c
finsh_var.c
finsh_vm.c
finsh_token.c
''')
msh_src = Split('''
msh_cmd.c
msh.c
''')
CPPPATH = [cwd]
if rtconfig.CROSS_TOOL == 'keil':
LINKFLAGS = ' --keep __fsym_*'
if not GetDepend('FINSH_USING_MSH_ONLY'):
LINKFLAGS = LINKFLAGS + ' --keep __vsym_* '
else:
LINKFLAGS = ''
if GetDepend('FINSH_USING_MSH'):
src = src + msh_src
if not GetDepend('FINSH_USING_MSH_ONLY'):
src = src + fsh_src
group = DefineGroup('finsh', src, depend = ['RT_USING_FINSH'], CPPPATH = CPPPATH, LINKFLAGS = LINKFLAGS)
Return('group')
@@ -0,0 +1,893 @@
/*
* RT-Thread finsh shell commands
*
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This file is part of RT-Thread (http://www.rt-thread.org)
* Maintainer: bernard.xiong <bernard.xiong at gmail.com>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2006-04-30 Bernard first implementation
* 2006-05-04 Bernard add list_thread,
* list_sem,
* list_timer
* 2006-05-20 Bernard add list_mutex,
* list_mailbox,
* list_msgqueue,
* list_event,
* list_fevent,
* list_mempool
* 2006-06-03 Bernard display stack information in list_thread
* 2006-08-10 Bernard change version to invoke rt_show_version
* 2008-09-10 Bernard update the list function for finsh syscall
* list and sysvar list
* 2009-05-30 Bernard add list_device
* 2010-04-21 yi.qiu add list_module
* 2012-04-29 goprife improve the command line auto-complete feature.
* 2012-06-02 lgnq add list_memheap
* 2012-10-22 Bernard add MS VC++ patch.
*/
#include <rtthread.h>
#include "finsh.h"
rt_inline unsigned int rt_list_len(const rt_list_t *l)
{
unsigned int len = 0;
const rt_list_t *p = l;
while (p->next != l)
{
p = p->next;
len ++;
}
return len;
}
long hello(void)
{
rt_kprintf("Hello RT-Thread!\n");
return 0;
}
FINSH_FUNCTION_EXPORT(hello, say hello world);
extern void rt_show_version(void);
long version(void)
{
rt_show_version();
return 0;
}
FINSH_FUNCTION_EXPORT(version, show RT-Thread version information);
MSH_CMD_EXPORT(version, show RT-Thread version information);
extern struct rt_object_information rt_object_container[];
static long _list_thread(struct rt_list_node *list)
{
struct rt_thread *thread;
struct rt_list_node *node;
rt_uint8_t *ptr;
rt_kprintf(" thread pri status sp stack size max used left tick error\n");
rt_kprintf("-------- ---- ------- ---------- ---------- ---------- ---------- ---\n");
for (node = list->next; node != list; node = node->next)
{
thread = rt_list_entry(node, struct rt_thread, list);
rt_kprintf("%-8.*s 0x%02x", RT_NAME_MAX, thread->name, thread->current_priority);
if (thread->stat == RT_THREAD_READY) rt_kprintf(" ready ");
else if (thread->stat == RT_THREAD_SUSPEND) rt_kprintf(" suspend");
else if (thread->stat == RT_THREAD_INIT) rt_kprintf(" init ");
else if (thread->stat == RT_THREAD_CLOSE) rt_kprintf(" close ");
ptr = (rt_uint8_t*)thread->stack_addr;
while (*ptr == '#')ptr ++;
rt_kprintf(" 0x%08x 0x%08x 0x%08x 0x%08x %03d\n",
thread->stack_size + ((rt_uint32_t)thread->stack_addr - (rt_uint32_t)thread->sp),
thread->stack_size,
thread->stack_size - ((rt_uint32_t) ptr - (rt_uint32_t)thread->stack_addr),
thread->remaining_tick,
thread->error);
}
return 0;
}
long list_thread(void)
{
return _list_thread(&rt_object_container[RT_Object_Class_Thread].object_list);
}
FINSH_FUNCTION_EXPORT(list_thread, list thread);
MSH_CMD_EXPORT(list_thread, list thread);
static void show_wait_queue(struct rt_list_node *list)
{
struct rt_thread *thread;
struct rt_list_node *node;
for (node = list->next; node != list; node = node->next)
{
thread = rt_list_entry(node, struct rt_thread, tlist);
rt_kprintf("%s", thread->name);
if (node->next != list)
rt_kprintf("/");
}
}
#ifdef RT_USING_SEMAPHORE
static long _list_sem(struct rt_list_node *list)
{
struct rt_semaphore *sem;
struct rt_list_node *node;
rt_kprintf("semaphore v suspend thread\n");
rt_kprintf("-------- --- --------------\n");
for (node = list->next; node != list; node = node->next)
{
sem = (struct rt_semaphore *)(rt_list_entry(node, struct rt_object, list));
if (!rt_list_isempty(&sem->parent.suspend_thread))
{
rt_kprintf("%-8.*s %03d %d:",
RT_NAME_MAX,
sem->parent.parent.name,
sem->value,
rt_list_len(&sem->parent.suspend_thread));
show_wait_queue(&(sem->parent.suspend_thread));
rt_kprintf("\n");
}
else
{
rt_kprintf("%-8.*s %03d %d\n",
RT_NAME_MAX,
sem->parent.parent.name,
sem->value,
rt_list_len(&sem->parent.suspend_thread));
}
}
return 0;
}
long list_sem(void)
{
return _list_sem(&rt_object_container[RT_Object_Class_Semaphore].object_list);
}
FINSH_FUNCTION_EXPORT(list_sem, list semaphone in system);
MSH_CMD_EXPORT(list_sem, list semaphore in system);
#endif
#ifdef RT_USING_EVENT
static long _list_event(struct rt_list_node *list)
{
struct rt_event *e;
struct rt_list_node *node;
rt_kprintf("event set suspend thread\n");
rt_kprintf("-------- ---------- --------------\n");
for (node = list->next; node != list; node = node->next)
{
e = (struct rt_event *)(rt_list_entry(node, struct rt_object, list));
if (!rt_list_isempty(&e->parent.suspend_thread))
{
rt_kprintf("%-8.*s 0x%08x %03d:",
RT_NAME_MAX,
e->parent.parent.name,
e->set,
rt_list_len(&e->parent.suspend_thread));
show_wait_queue(&(e->parent.suspend_thread));
rt_kprintf("\n");
}
else
{
rt_kprintf("%-8.*s 0x%08x 0\n",
RT_NAME_MAX, e->parent.parent.name, e->set);
}
}
return 0;
}
long list_event(void)
{
return _list_event(&rt_object_container[RT_Object_Class_Event].object_list);
}
FINSH_FUNCTION_EXPORT(list_event, list event in system);
MSH_CMD_EXPORT(list_event, list event in system);
#endif
#ifdef RT_USING_MUTEX
static long _list_mutex(struct rt_list_node *list)
{
struct rt_mutex *m;
struct rt_list_node *node;
rt_kprintf("mutex owner hold suspend thread\n");
rt_kprintf("-------- -------- ---- --------------\n");
for (node = list->next; node != list; node = node->next)
{
m = (struct rt_mutex *)(rt_list_entry(node, struct rt_object, list));
rt_kprintf("%-8.*s %-8.*s %04d %d\n",
RT_NAME_MAX,
m->parent.parent.name,
RT_NAME_MAX,
m->owner->name,
m->hold,
rt_list_len(&m->parent.suspend_thread));
}
return 0;
}
long list_mutex(void)
{
return _list_mutex(&rt_object_container[RT_Object_Class_Mutex].object_list);
}
FINSH_FUNCTION_EXPORT(list_mutex, list mutex in system);
MSH_CMD_EXPORT(list_mutex, list mutex in system);
#endif
#ifdef RT_USING_MAILBOX
static long _list_mailbox(struct rt_list_node *list)
{
struct rt_mailbox *m;
struct rt_list_node *node;
rt_kprintf("mailbox entry size suspend thread\n");
rt_kprintf("-------- ---- ---- --------------\n");
for (node = list->next; node != list; node = node->next)
{
m = (struct rt_mailbox *)(rt_list_entry(node, struct rt_object, list));
if (!rt_list_isempty(&m->parent.suspend_thread))
{
rt_kprintf("%-8.*s %04d %04d %d:",
RT_NAME_MAX,
m->parent.parent.name,
m->entry,
m->size,
rt_list_len(&m->parent.suspend_thread));
show_wait_queue(&(m->parent.suspend_thread));
rt_kprintf("\n");
}
else
{
rt_kprintf("%-8.*s %04d %04d %d\n",
RT_NAME_MAX,
m->parent.parent.name,
m->entry,
m->size,
rt_list_len(&m->parent.suspend_thread));
}
}
return 0;
}
long list_mailbox(void)
{
return _list_mailbox(&rt_object_container[RT_Object_Class_MailBox].object_list);
}
FINSH_FUNCTION_EXPORT(list_mailbox, list mail box in system);
MSH_CMD_EXPORT(list_mailbox, list mail box in system);
#endif
#ifdef RT_USING_MESSAGEQUEUE
static long _list_msgqueue(struct rt_list_node *list)
{
struct rt_messagequeue *m;
struct rt_list_node *node;
rt_kprintf("msgqueue entry suspend thread\n");
rt_kprintf("-------- ---- --------------\n");
for (node = list->next; node != list; node = node->next)
{
m = (struct rt_messagequeue *)(rt_list_entry(node, struct rt_object, list));
if (!rt_list_isempty(&m->parent.suspend_thread))
{
rt_kprintf("%-8.*s %04d %d:",
RT_NAME_MAX,
m->parent.parent.name,
m->entry,
rt_list_len(&m->parent.suspend_thread));
show_wait_queue(&(m->parent.suspend_thread));
rt_kprintf("\n");
}
else
{
rt_kprintf("%-8.*s %04d %d\n",
RT_NAME_MAX,
m->parent.parent.name,
m->entry,
rt_list_len(&m->parent.suspend_thread));
}
}
return 0;
}
long list_msgqueue(void)
{
return _list_msgqueue(&rt_object_container[RT_Object_Class_MessageQueue].object_list);
}
FINSH_FUNCTION_EXPORT(list_msgqueue, list message queue in system);
MSH_CMD_EXPORT(list_msgqueue, list message queue in system);
#endif
#ifdef RT_USING_MEMHEAP
static long _list_memheap(struct rt_list_node *list)
{
struct rt_memheap *mh;
struct rt_list_node *node;
rt_kprintf("memheap pool size max used size available size\n");
rt_kprintf("-------- ---------- ------------- --------------\n");
for (node = list->next; node != list; node = node->next)
{
mh = (struct rt_memheap *)rt_list_entry(node, struct rt_object, list);
rt_kprintf("%-8.*s %-010d %-013d %-05d\n",
RT_NAME_MAX,
mh->parent.name,
mh->pool_size,
mh->max_used_size,
mh->available_size);
}
return 0;
}
long list_memheap(void)
{
return _list_memheap(&rt_object_container[RT_Object_Class_MemHeap].object_list);
}
FINSH_FUNCTION_EXPORT(list_memheap, list memory heap in system);
MSH_CMD_EXPORT(list_memheap, list memory heap in system);
#endif
#ifdef RT_USING_MEMPOOL
static long _list_mempool(struct rt_list_node *list)
{
struct rt_mempool *mp;
struct rt_list_node *node;
rt_kprintf("mempool block total free suspend thread\n");
rt_kprintf("-------- ---- ---- ---- --------------\n");
for (node = list->next; node != list; node = node->next)
{
mp = (struct rt_mempool *)rt_list_entry(node, struct rt_object, list);
if (mp->suspend_thread_count > 0)
{
rt_kprintf("%-8.*s %04d %04d %04d %d:",
RT_NAME_MAX,
mp->parent.name,
mp->block_size,
mp->block_total_count,
mp->block_free_count,
mp->suspend_thread_count);
show_wait_queue(&(mp->suspend_thread));
rt_kprintf("\n");
}
else
{
rt_kprintf("%-8.*s %04d %04d %04d %d\n",
RT_NAME_MAX,
mp->parent.name,
mp->block_size,
mp->block_total_count,
mp->block_free_count,
mp->suspend_thread_count);
}
}
return 0;
}
long list_mempool(void)
{
return _list_mempool(&rt_object_container[RT_Object_Class_MemPool].object_list);
}
FINSH_FUNCTION_EXPORT(list_mempool, list memory pool in system)
MSH_CMD_EXPORT(list_mempool, list memory pool in system);
#endif
static long _list_timer(struct rt_list_node *list)
{
struct rt_timer *timer;
struct rt_list_node *node;
rt_kprintf("timer periodic timeout flag\n");
rt_kprintf("-------- ---------- ---------- -----------\n");
for (node = list->next; node != list; node = node->next)
{
timer = (struct rt_timer *)(rt_list_entry(node, struct rt_object, list));
rt_kprintf("%-8.*s 0x%08x 0x%08x ",
RT_NAME_MAX,
timer->parent.name,
timer->init_tick,
timer->timeout_tick);
if (timer->parent.flag & RT_TIMER_FLAG_ACTIVATED)
rt_kprintf("activated\n");
else
rt_kprintf("deactivated\n");
}
rt_kprintf("current tick:0x%08x\n", rt_tick_get());
return 0;
}
long list_timer(void)
{
return _list_timer(&rt_object_container[RT_Object_Class_Timer].object_list);
}
FINSH_FUNCTION_EXPORT(list_timer, list timer in system);
MSH_CMD_EXPORT(list_timer, list timer in system);
#ifdef RT_USING_DEVICE
static long _list_device(struct rt_list_node *list)
{
struct rt_device *device;
struct rt_list_node *node;
char * const device_type_str[] =
{
"Character Device",
"Block Device",
"Network Interface",
"MTD Device",
"CAN Device",
"RTC",
"Sound Device",
"Graphic Device",
"I2C Bus",
"USB Slave Device",
"USB Host Bus",
"SPI Bus",
"SPI Device",
"SDIO Bus",
"PM Pseudo Device",
"Pipe",
"Portal Device",
"Miscellaneous Device",
"Unknown"
};
rt_kprintf("device type \n");
rt_kprintf("-------- ---------- \n");
for (node = list->next; node != list; node = node->next)
{
device = (struct rt_device *)(rt_list_entry(node, struct rt_object, list));
rt_kprintf("%-8.*s %-8s \n",
RT_NAME_MAX,
device->parent.name,
(device->type <= RT_Device_Class_Unknown) ?
device_type_str[device->type] :
device_type_str[RT_Device_Class_Unknown]);
}
return 0;
}
long list_device(void)
{
return _list_device(&rt_object_container[RT_Object_Class_Device].object_list);
}
FINSH_FUNCTION_EXPORT(list_device, list device in system);
MSH_CMD_EXPORT(list_device, list device in system);
#endif
#ifdef RT_USING_MODULE
#include <rtm.h>
int list_module(void)
{
struct rt_module *module;
struct rt_list_node *list, *node;
list = &rt_object_container[RT_Object_Class_Module].object_list;
rt_kprintf("module name ref\n");
rt_kprintf("------------ --------\n");
for (node = list->next; node != list; node = node->next)
{
module = (struct rt_module *)(rt_list_entry(node, struct rt_object, list));
rt_kprintf("%-16.*s %-04d\n",
RT_NAME_MAX, module->parent.name, module->nref);
}
return 0;
}
FINSH_FUNCTION_EXPORT(list_module, list module in system);
MSH_CMD_EXPORT(list_module, list module in system);
int list_mod_detail(const char *name)
{
int i;
struct rt_module *module;
/* find module */
if ((module = rt_module_find(name)) != RT_NULL)
{
/* module has entry point */
if (!(module->parent.flag & RT_MODULE_FLAG_WITHOUTENTRY))
{
struct rt_thread *thread;
struct rt_list_node *tlist;
rt_uint8_t *ptr;
/* list main thread in module */
if (module->module_thread != RT_NULL)
{
rt_kprintf("main thread pri status sp stack size max used left tick error\n");
rt_kprintf("------------- ---- ------- ---------- ---------- ---------- ---------- ---\n");
thread = module->module_thread;
rt_kprintf("%-8.*s 0x%02x", RT_NAME_MAX, thread->name, thread->current_priority);
if (thread->stat == RT_THREAD_READY) rt_kprintf(" ready ");
else if (thread->stat == RT_THREAD_SUSPEND) rt_kprintf(" suspend");
else if (thread->stat == RT_THREAD_INIT) rt_kprintf(" init ");
ptr = (rt_uint8_t*)thread->stack_addr;
while (*ptr == '#')ptr ++;
rt_kprintf(" 0x%08x 0x%08x 0x%08x 0x%08x %03d\n",
thread->stack_size + ((rt_uint32_t)thread->stack_addr - (rt_uint32_t)thread->sp),
thread->stack_size,
thread->stack_size - ((rt_uint32_t) ptr - (rt_uint32_t)thread->stack_addr),
thread->remaining_tick,
thread->error);
}
/* list sub thread in module */
tlist = &module->module_object[RT_Object_Class_Thread].object_list;
if (!rt_list_isempty(tlist)) _list_thread(tlist);
#ifdef RT_USING_SEMAPHORE
/* list semaphored in module */
tlist = &module->module_object[RT_Object_Class_Semaphore].object_list;
if (!rt_list_isempty(tlist)) _list_sem(tlist);
#endif
#ifdef RT_USING_MUTEX
/* list mutex in module */
tlist = &module->module_object[RT_Object_Class_Mutex].object_list;
if (!rt_list_isempty(tlist)) _list_mutex(tlist);
#endif
#ifdef RT_USING_EVENT
/* list event in module */
tlist = &module->module_object[RT_Object_Class_Event].object_list;
if (!rt_list_isempty(tlist)) _list_event(tlist);
#endif
#ifdef RT_USING_MAILBOX
/* list mailbox in module */
tlist = &module->module_object[RT_Object_Class_MailBox].object_list;
if (!rt_list_isempty(tlist)) _list_mailbox(tlist);
#endif
#ifdef RT_USING_MESSAGEQUEUE
/* list message queue in module */
tlist = &module->module_object[RT_Object_Class_MessageQueue].object_list;
if (!rt_list_isempty(tlist)) _list_msgqueue(tlist);
#endif
#ifdef RT_USING_MEMHEAP
/* list memory heap in module */
tlist = &module->module_object[RT_Object_Class_MemHeap].object_list;
if (!rt_list_isempty(tlist)) _list_memheap(tlist);
#endif
#ifdef RT_USING_MEMPOOL
/* list memory pool in module */
tlist = &module->module_object[RT_Object_Class_MemPool].object_list;
if (!rt_list_isempty(tlist)) _list_mempool(tlist);
#endif
#ifdef RT_USING_DEVICE
/* list device in module */
tlist = &module->module_object[RT_Object_Class_Device].object_list;
if (!rt_list_isempty(tlist)) _list_device(tlist);
#endif
/* list timer in module */
tlist = &module->module_object[RT_Object_Class_Timer].object_list;
if (!rt_list_isempty(tlist)) _list_timer(tlist);
}
if (module->nsym > 0)
{
rt_kprintf("symbol address \n");
rt_kprintf("-------- ----------\n");
/* list module export symbols */
for (i=0; i<module->nsym; i++)
{
rt_kprintf("%s 0x%x\n",
module->symtab[i].name, module->symtab[i].addr);
}
}
}
return 0;
}
FINSH_FUNCTION_EXPORT(list_mod_detail, list module objects in system)
MSH_CMD_EXPORT(list_mod_detail, list module objects in system)
#endif
long list(void)
{
#ifndef FINSH_USING_MSH_ONLY
struct finsh_syscall_item *syscall_item;
struct finsh_sysvar_item *sysvar_item;
#endif
rt_kprintf("--Function List:\n");
{
struct finsh_syscall *index;
for (index = _syscall_table_begin;
index < _syscall_table_end;
FINSH_NEXT_SYSCALL(index))
{
/* skip the internal command */
if (strncmp((char*)index->name, "__", 2) == 0) continue;
#ifdef FINSH_USING_DESCRIPTION
rt_kprintf("%-16s -- %s\n", index->name, index->desc);
#else
rt_kprintf("%s\n", index->name);
#endif
}
}
#ifndef FINSH_USING_MSH_ONLY
/* list syscall list */
syscall_item = global_syscall_list;
while (syscall_item != NULL)
{
rt_kprintf("[l] %s\n", syscall_item->syscall.name);
syscall_item = syscall_item->next;
}
rt_kprintf("--Variable List:\n");
{
struct finsh_sysvar *index;
for (index = _sysvar_table_begin;
index < _sysvar_table_end;
FINSH_NEXT_SYSVAR(index))
{
#ifdef FINSH_USING_DESCRIPTION
rt_kprintf("%-16s -- %s\n", index->name, index->desc);
#else
rt_kprintf("%s\n", index->name);
#endif
}
}
sysvar_item = global_sysvar_list;
while (sysvar_item != NULL)
{
rt_kprintf("[l] %s\n", sysvar_item->sysvar.name);
sysvar_item = sysvar_item->next;
}
#endif
return 0;
}
FINSH_FUNCTION_EXPORT(list, list all symbol in system)
#ifndef FINSH_USING_MSH_ONLY
static int str_is_prefix(const char *prefix, const char *str)
{
while ((*prefix) && (*prefix == *str))
{
prefix ++;
str ++;
}
if (*prefix == 0)
return 0;
return -1;
}
static int str_common(const char *str1, const char *str2)
{
const char *str = str1;
while ((*str != 0) && (*str2 != 0) && (*str == *str2))
{
str ++;
str2 ++;
}
return (str - str1);
}
void list_prefix(char *prefix)
{
struct finsh_syscall_item *syscall_item;
struct finsh_sysvar_item *sysvar_item;
rt_uint16_t func_cnt, var_cnt;
int length, min_length;
const char *name_ptr;
func_cnt = 0;
var_cnt = 0;
min_length = 0;
name_ptr = RT_NULL;
/* checks in system function call */
{
struct finsh_syscall *index;
for (index = _syscall_table_begin;
index < _syscall_table_end;
FINSH_NEXT_SYSCALL(index))
{
/* skip internal command */
if (str_is_prefix("__", index->name) == 0) continue;
if (str_is_prefix(prefix, index->name) == 0)
{
if (func_cnt == 0)
{
rt_kprintf("--function:\n");
if (*prefix != 0)
{
/* set name_ptr */
name_ptr = index->name;
/* set initial length */
min_length = strlen(name_ptr);
}
}
func_cnt ++;
if (*prefix != 0)
{
length = str_common(name_ptr, index->name);
if (length < min_length)
min_length = length;
}
#ifdef FINSH_USING_DESCRIPTION
rt_kprintf("%-16s -- %s\n", index->name, index->desc);
#else
rt_kprintf("%s\n", index->name);
#endif
}
}
}
/* checks in dynamic system function call */
syscall_item = global_syscall_list;
while (syscall_item != NULL)
{
if (str_is_prefix(prefix, syscall_item->syscall.name) == 0)
{
if (func_cnt == 0)
{
rt_kprintf("--function:\n");
if (*prefix != 0 && name_ptr == NULL)
{
/* set name_ptr */
name_ptr = syscall_item->syscall.name;
/* set initial length */
min_length = strlen(name_ptr);
}
}
func_cnt ++;
if (*prefix != 0)
{
length = str_common(name_ptr, syscall_item->syscall.name);
if (length < min_length)
min_length = length;
}
rt_kprintf("[l] %s\n", syscall_item->syscall.name);
}
syscall_item = syscall_item->next;
}
/* checks in system variable */
{
struct finsh_sysvar* index;
for (index = _sysvar_table_begin;
index < _sysvar_table_end;
FINSH_NEXT_SYSVAR(index))
{
if (str_is_prefix(prefix, index->name) == 0)
{
if (var_cnt == 0)
{
rt_kprintf("--variable:\n");
if (*prefix != 0 && name_ptr == NULL)
{
/* set name_ptr */
name_ptr = index->name;
/* set initial length */
min_length = strlen(name_ptr);
}
}
var_cnt ++;
if (*prefix != 0)
{
length = str_common(name_ptr, index->name);
if (length < min_length)
min_length = length;
}
#ifdef FINSH_USING_DESCRIPTION
rt_kprintf("%-16s -- %s\n", index->name, index->desc);
#else
rt_kprintf("%s\n", index->name);
#endif
}
}
}
/* checks in dynamic system variable */
sysvar_item = global_sysvar_list;
while (sysvar_item != NULL)
{
if (str_is_prefix(prefix, sysvar_item->sysvar.name) == 0)
{
if (var_cnt == 0)
{
rt_kprintf("--variable:\n");
if (*prefix != 0 && name_ptr == NULL)
{
/* set name_ptr */
name_ptr = sysvar_item->sysvar.name;
/* set initial length */
min_length = strlen(name_ptr);
}
}
var_cnt ++;
if (*prefix != 0)
{
length = str_common(name_ptr, sysvar_item->sysvar.name);
if (length < min_length)
min_length = length;
}
rt_kprintf("[v] %s\n", sysvar_item->sysvar.name);
}
sysvar_item = sysvar_item->next;
}
/* only one matched */
if (name_ptr != NULL)
{
rt_strncpy(prefix, name_ptr, min_length);
}
}
#endif
#if defined(FINSH_USING_SYMTAB) && !defined(FINSH_USING_MSH_ONLY)
static int dummy = 0;
FINSH_VAR_EXPORT(dummy, finsh_type_int, dummy variable for finsh)
#endif
@@ -0,0 +1,479 @@
/*
* File : finsh.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2010, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2010-03-22 Bernard first version
*/
#ifndef __FINSH_H__
#define __FINSH_H__
#include <rtthread.h>
#if defined(_MSC_VER)
#pragma section("FSymTab$f",read)
#pragma section("VSymTab",read)
#endif
/* -- the beginning of option -- */
#define FINSH_NAME_MAX 16 /* max length of identifier */
#define FINSH_NODE_MAX 16 /* max number of node */
#define FINSH_HEAP_MAX 128 /* max length of heap */
#define FINSH_STRING_MAX 128 /* max length of string */
#define FINSH_VARIABLE_MAX 8 /* max number of variable */
#define FINSH_STACK_MAX 64 /* max stack size */
#define FINSH_TEXT_MAX 128 /* max text segment size */
#define HEAP_ALIGNMENT 4 /* heap alignment */
#define FINSH_GET16(x) (*(x)) | (*((x)+1) << 8)
#define FINSH_GET32(x) (rt_uint32_t)(*(x)) | ((rt_uint32_t)*((x)+1) << 8) | \
((rt_uint32_t)*((x)+2) << 16) | ((rt_uint32_t)*((x)+3) << 24)
#define FINSH_SET16(x, v) \
do \
{ \
*(x) = (v) & 0x00ff; \
(*((x)+1)) = (v) >> 8; \
} while ( 0 )
#define FINSH_SET32(x, v) \
do \
{ \
*(x) = (rt_uint32_t)(v) & 0x000000ff; \
(*((x)+1)) = ((rt_uint32_t)(v) >> 8) & 0x000000ff; \
(*((x)+2)) = ((rt_uint32_t)(v) >> 16) & 0x000000ff; \
(*((x)+3)) = ((rt_uint32_t)(v) >> 24); \
} while ( 0 )
/* -- the end of option -- */
#if defined(RT_USING_NEWLIB) || defined (RT_USING_MINILIBC)
#include <sys/types.h>
#include <string.h>
#else
typedef unsigned char u_char;
typedef unsigned short u_short;
typedef unsigned long u_long;
#if !defined(__CC_ARM) && \
!defined(__IAR_SYSTEMS_ICC__) && \
!defined(__ADSPBLACKFIN__) && \
!defined(_MSC_VER)
/* only for GNU GCC */
#if !(defined(__GNUC__) && defined(__x86_64__))
typedef unsigned int size_t;
#else
#include <stdio.h>
#endif
#ifndef NULL
#define NULL RT_NULL
#endif
#else
/* use libc of armcc */
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#endif
#endif
#define FINSH_VERSION_MAJOR 1
#define FINSH_VERSION_MINOR 0
/**
* @addtogroup finsh
*/
/*@{*/
#define FINSH_ERROR_OK 0 /**< No error */
#define FINSH_ERROR_INVALID_TOKEN 1 /**< Invalid token */
#define FINSH_ERROR_EXPECT_TYPE 2 /**< Expect a type */
#define FINSH_ERROR_UNKNOWN_TYPE 3 /**< Unknown type */
#define FINSH_ERROR_VARIABLE_EXIST 4 /**< Variable exist */
#define FINSH_ERROR_EXPECT_OPERATOR 5 /**< Expect a operator */
#define FINSH_ERROR_MEMORY_FULL 6 /**< Memory full */
#define FINSH_ERROR_UNKNOWN_OP 7 /**< Unknown operator */
#define FINSH_ERROR_UNKNOWN_NODE 8 /**< Unknown node */
#define FINSH_ERROR_EXPECT_CHAR 9 /**< Expect a character */
#define FINSH_ERROR_UNEXPECT_END 10 /**< Unexpect end */
#define FINSH_ERROR_UNKNOWN_TOKEN 11 /**< Unknown token */
#define FINSH_ERROR_NO_FLOAT 12 /**< Float not supported */
#define FINSH_ERROR_UNKNOWN_SYMBOL 13 /**< Unknown symbol */
#define FINSH_ERROR_NULL_NODE 14 /**< Null node */
/*@}*/
typedef long (*syscall_func)();
/* system call table */
struct finsh_syscall
{
const char* name; /* the name of system call */
#if defined(FINSH_USING_DESCRIPTION) && defined(FINSH_USING_SYMTAB)
const char* desc; /* description of system call */
#endif
syscall_func func; /* the function address of system call */
};
/* system call item */
struct finsh_syscall_item
{
struct finsh_syscall_item* next; /* next item */
struct finsh_syscall syscall; /* syscall */
};
extern struct finsh_syscall *_syscall_table_begin, *_syscall_table_end;
extern struct finsh_syscall_item *global_syscall_list;
/* find out system call, which should be implemented in user program */
struct finsh_syscall* finsh_syscall_lookup(const char* name);
/* system variable table */
struct finsh_sysvar
{
const char* name; /* the name of variable */
#if defined(FINSH_USING_DESCRIPTION) && defined(FINSH_USING_SYMTAB)
const char* desc; /* description of system variable */
#endif
u_char type; /* the type of variable */
void* var ; /* the address of variable */
};
#if defined(_MSC_VER) || (defined(__GNUC__) && defined(__x86_64__))
struct finsh_syscall* finsh_syscall_next(struct finsh_syscall* call);
struct finsh_sysvar* finsh_sysvar_next(struct finsh_sysvar* call);
#define FINSH_NEXT_SYSCALL(index) index=finsh_syscall_next(index)
#define FINSH_NEXT_SYSVAR(index) index=finsh_sysvar_next(index)
#else
#define FINSH_NEXT_SYSCALL(index) index++
#define FINSH_NEXT_SYSVAR(index) index++
#endif
/* system variable item */
struct finsh_sysvar_item
{
struct finsh_sysvar_item *next; /* next item */
struct finsh_sysvar sysvar; /* system variable */
};
extern struct finsh_sysvar *_sysvar_table_begin, *_sysvar_table_end;
extern struct finsh_sysvar_item* global_sysvar_list;
/* find out system variable, which should be implemented in user program */
struct finsh_sysvar* finsh_sysvar_lookup(const char* name);
#ifdef FINSH_USING_SYMTAB
#ifdef __TI_COMPILER_VERSION__
#define __TI_FINSH_EXPORT_FUNCTION(f) PRAGMA(DATA_SECTION(f,"FSymTab"))
#define __TI_FINSH_EXPORT_VAR(v) PRAGMA(DATA_SECTION(v,"VSymTab"))
#endif
#ifdef FINSH_USING_DESCRIPTION
#ifdef _MSC_VER
#define FINSH_FUNCTION_EXPORT_CMD(name, cmd, desc) \
const char __fsym_##cmd##_name[] = #cmd; \
const char __fsym_##cmd##_desc[] = #desc; \
__declspec(allocate("FSymTab$f")) \
const struct finsh_syscall __fsym_##cmd = \
{ \
__fsym_##cmd##_name, \
__fsym_##cmd##_desc, \
(syscall_func)&name \
};
#pragma comment(linker, "/merge:FSymTab=mytext")
#define FINSH_VAR_EXPORT(name, type, desc) \
const char __vsym_##name##_name[] = #name; \
const char __vsym_##name##_desc[] = #desc; \
__declspec(allocate("VSymTab")) \
const struct finsh_sysvar __vsym_##name = \
{ \
__vsym_##name##_name, \
__vsym_##name##_desc, \
type, \
(void*)&name \
};
#elif defined(__TI_COMPILER_VERSION__)
#define FINSH_FUNCTION_EXPORT_CMD(name, cmd, desc) \
__TI_FINSH_EXPORT_FUNCTION(__fsym_##cmd); \
const char __fsym_##cmd##_name[] = #cmd; \
const char __fsym_##cmd##_desc[] = #desc; \
const struct finsh_syscall __fsym_##cmd = \
{ \
__fsym_##cmd##_name, \
__fsym_##cmd##_desc, \
(syscall_func)&name \
};
#define FINSH_VAR_EXPORT(name, type, desc) \
__TI_FINSH_EXPORT_VAR(__vsym_##name); \
const char __vsym_##name##_name[] = #name; \
const char __vsym_##name##_desc[] = #desc; \
const struct finsh_sysvar __vsym_##name = \
{ \
__vsym_##name##_name, \
__vsym_##name##_desc, \
type, \
(void*)&name \
};
#else
#define FINSH_FUNCTION_EXPORT_CMD(name, cmd, desc) \
const char __fsym_##cmd##_name[] = #cmd; \
const char __fsym_##cmd##_desc[] = #desc; \
const struct finsh_syscall __fsym_##cmd SECTION("FSymTab")= \
{ \
__fsym_##cmd##_name, \
__fsym_##cmd##_desc, \
(syscall_func)&name \
};
#define FINSH_VAR_EXPORT(name, type, desc) \
const char __vsym_##name##_name[] = #name; \
const char __vsym_##name##_desc[] = #desc; \
const struct finsh_sysvar __vsym_##name SECTION("VSymTab")= \
{ \
__vsym_##name##_name, \
__vsym_##name##_desc, \
type, \
(void*)&name \
};
#endif
#else
#ifdef _MSC_VER
#define FINSH_FUNCTION_EXPORT_CMD(name, cmd, desc) \
const char __fsym_##cmd##_name[] = #cmd; \
__declspec(allocate("FSymTab$f")) \
const struct finsh_syscall __fsym_##cmd = \
{ \
__fsym_##cmd##_name, \
(syscall_func)&name \
};
#pragma comment(linker, "/merge:FSymTab=mytext")
#define FINSH_VAR_EXPORT(name, type, desc) \
const char __vsym_##name##_name[] = #name; \
__declspec(allocate("VSymTab")) const struct finsh_sysvar __vsym_##name = \
{ \
__vsym_##name##_name, \
type, \
(void*)&name \
};
#elif defined(__TI_COMPILER_VERSION__)
#define FINSH_FUNCTION_EXPORT_CMD(name, cmd, desc) \
__TI_FINSH_EXPORT_FUNCTION(__fsym_##cmd); \
const char __fsym_##cmd##_name[] = #cmd; \
const struct finsh_syscall __fsym_##cmd = \
{ \
__fsym_##cmd##_name, \
(syscall_func)&name \
};
#define FINSH_VAR_EXPORT(name, type, desc) \
__TI_FINSH_EXPORT_VAR(__vsym_##name); \
const char __vsym_##name##_name[] = #name; \
const struct finsh_sysvar __vsym_##name = \
{ \
__vsym_##name##_name, \
type, \
(void*)&name \
};
#else
#define FINSH_FUNCTION_EXPORT_CMD(name, cmd, desc) \
const char __fsym_##cmd##_name[] = #cmd; \
const struct finsh_syscall __fsym_##cmd SECTION("FSymTab")= \
{ \
__fsym_##cmd##_name, \
(syscall_func)&name \
};
#define FINSH_VAR_EXPORT(name, type, desc) \
const char __vsym_##name##_name[] = #name; \
const struct finsh_sysvar __vsym_##name SECTION("VSymTab")= \
{ \
__vsym_##name##_name, \
type, \
(void*)&name \
};
#endif
#endif /* end of FINSH_USING_DESCRIPTION */
#endif /* end of FINSH_USING_SYMTAB */
/**
* @ingroup finsh
*
* This macro exports a system function to finsh shell.
*
* @param name the name of function.
* @param desc the description of function, which will show in help.
*/
#define FINSH_FUNCTION_EXPORT(name, desc) \
FINSH_FUNCTION_EXPORT_CMD(name, name, desc)
/**
* @ingroup finsh
*
* This macro exports a system function with an alias name to finsh shell.
*
* @param name the name of function.
* @param alias the alias name of function.
* @param desc the description of function, which will show in help.
*/
#define FINSH_FUNCTION_EXPORT_ALIAS(name, alias, desc) \
FINSH_FUNCTION_EXPORT_CMD(name, alias, desc)
/**
* @ingroup finsh
*
* This macro exports a command to module shell.
*
* @param command the name of command.
* @param desc the description of command, which will show in help.
*/
#ifdef FINSH_USING_MSH
#define MSH_CMD_EXPORT(command, desc) \
FINSH_FUNCTION_EXPORT_CMD(command, __cmd_##command, desc)
#else
#define MSH_CMD_EXPORT(command, desc)
#endif
struct finsh_token
{
char eof;
char replay;
int position;
u_char current_token;
union {
char char_value;
int int_value;
long long_value;
} value;
u_char string[128];
u_char* line;
};
#define FINSH_IDTYPE_VAR 0x01
#define FINSH_IDTYPE_SYSVAR 0x02
#define FINSH_IDTYPE_SYSCALL 0x04
#define FINSH_IDTYPE_ADDRESS 0x08
struct finsh_node
{
u_char node_type; /* node node_type */
u_char data_type; /* node data node_type */
u_char idtype; /* id node information */
union { /* value node */
char char_value;
short short_value;
int int_value;
long long_value;
void* ptr;
} value;
union
{
/* point to variable identifier or function identifier */
struct finsh_var *var;
struct finsh_sysvar *sysvar;
struct finsh_syscall*syscall;
}id;
/* sibling and child node */
struct finsh_node *sibling, *child;
};
struct finsh_parser
{
u_char* parser_string;
struct finsh_token token;
struct finsh_node* root;
};
/**
* @ingroup finsh
*
* The basic data type in finsh shell
*/
enum finsh_type {
finsh_type_unknown = 0, /**< unknown data type */
finsh_type_void, /**< void */
finsh_type_voidp, /**< void pointer */
finsh_type_char, /**< char */
finsh_type_uchar, /**< unsigned char */
finsh_type_charp, /**< char pointer */
finsh_type_short, /**< short */
finsh_type_ushort, /**< unsigned short */
finsh_type_shortp, /**< short pointer */
finsh_type_int, /**< int */
finsh_type_uint, /**< unsigned int */
finsh_type_intp, /**< int pointer */
finsh_type_long, /**< long */
finsh_type_ulong, /**< unsigned long */
finsh_type_longp /**< long pointer */
};
/* init finsh environment */
int finsh_init(struct finsh_parser* parser);
/* flush finsh node, text segment */
int finsh_flush(struct finsh_parser* parser);
/* reset all of finsh */
int finsh_reset(struct finsh_parser* parser);
#ifdef RT_USING_DEVICE
void finsh_set_device(const char* device_name);
#endif
/* run finsh parser to generate abstract synatx tree */
void finsh_parser_run (struct finsh_parser* parser, const unsigned char* string);
/* run compiler to compile abstract syntax tree */
int finsh_compiler_run(struct finsh_node* node);
/* run finsh virtual machine */
void finsh_vm_run(void);
/* get variable value */
struct finsh_var* finsh_var_lookup(const char* name);
/* get bottom value of stack */
long finsh_stack_bottom(void);
/* get error number of finsh */
u_char finsh_errno(void);
/* get error string */
const char* finsh_error_string(u_char type);
#ifdef RT_USING_HEAP
/**
* @ingroup finsh
*
* This function appends a system call to finsh runtime environment
* @param name the name of system call
* @param func the function pointer of system call
*/
void finsh_syscall_append(const char* name, syscall_func func);
/**
* @ingroup finsh
*
* This function appends a system variable to finsh runtime environment
* @param name the name of system variable
* @param type the data type of system variable
* @param addr the address of system variable
*/
void finsh_sysvar_append(const char* name, u_char type, void* addr);
#endif
#endif
@@ -0,0 +1,937 @@
/*
* RT-Thread finsh shell compiler
*
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This file is part of RT-Thread (http://www.rt-thread.org)
* Maintainer: bernard.xiong <bernard.xiong at gmail.com>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2010-03-22 Bernard first version
*/
#include <finsh.h>
#include "finsh_node.h"
#include "finsh_error.h"
#include "finsh_var.h"
#include "finsh_ops.h"
union finsh_value* finsh_compile_sp; /* stack pointer */
u_char* finsh_compile_pc; /* PC */
#define finsh_code_byte(x) do { *finsh_compile_pc = (x); finsh_compile_pc ++; } while(0)
#define finsh_code_word(x) do { FINSH_SET16(finsh_compile_pc, x); finsh_compile_pc +=2; } while(0)
#define finsh_code_dword(x) do { FINSH_SET32(finsh_compile_pc, x); finsh_compile_pc +=4; } while(0)
static int finsh_compile(struct finsh_node* node)
{
if (node != NULL)
{
/* compile child node */
if (finsh_node_child(node) != NULL)
finsh_compile(finsh_node_child(node));
/* compile current node */
switch (node->node_type)
{
case FINSH_NODE_ID:
{
/* identifier::syscall */
if (node->idtype & FINSH_IDTYPE_SYSCALL)
{
/* load address */
finsh_code_byte(FINSH_OP_LD_DWORD);
finsh_code_dword((long)node->id.syscall->func);
}
/* identifier::sysvar */
else if (node->idtype & FINSH_IDTYPE_SYSVAR)
{
struct finsh_sysvar* sysvar;
sysvar = node->id.sysvar;
if (sysvar != NULL)
{
switch (sysvar->type)
{
case finsh_type_char:
case finsh_type_uchar:
if (node->idtype & FINSH_IDTYPE_ADDRESS)
{
/* load address */
finsh_code_byte(FINSH_OP_LD_DWORD);
}
else
{
/* load value */
finsh_code_byte(FINSH_OP_LD_VALUE_BYTE);
}
finsh_code_dword((long)(sysvar->var));
break;
case finsh_type_short:
case finsh_type_ushort:
if (node->idtype & FINSH_IDTYPE_ADDRESS)
{
/* load address */
finsh_code_byte(FINSH_OP_LD_DWORD);
}
else
{
/* load value */
finsh_code_byte(FINSH_OP_LD_VALUE_WORD);
}
finsh_code_dword((long)(sysvar->var));
break;
case finsh_type_int:
case finsh_type_uint:
case finsh_type_long:
case finsh_type_ulong:
case finsh_type_charp:
case finsh_type_shortp:
case finsh_type_intp:
case finsh_type_longp:
if (node->idtype & FINSH_IDTYPE_ADDRESS)
{
/* load address */
finsh_code_byte(FINSH_OP_LD_DWORD);
}
else
{
/* load value */
finsh_code_byte(FINSH_OP_LD_VALUE_DWORD);
}
finsh_code_dword((long)(sysvar->var));
break;
}
}
}
/* identifier::var */
else
{
struct finsh_var* var;
var = node->id.var;
if (var != NULL)
{
switch (var->type)
{
case finsh_type_char:
case finsh_type_uchar:
if (node->idtype & FINSH_IDTYPE_ADDRESS)
{
/* load address */
finsh_code_byte(FINSH_OP_LD_DWORD);
}
else
{
/* load value */
finsh_code_byte(FINSH_OP_LD_VALUE_BYTE);
}
finsh_code_dword((long)&(var->value.char_value));
break;
case finsh_type_short:
case finsh_type_ushort:
if (node->idtype & FINSH_IDTYPE_ADDRESS)
{
/* load address */
finsh_code_byte(FINSH_OP_LD_DWORD);
}
else
{
/* load value */
finsh_code_byte(FINSH_OP_LD_VALUE_WORD);
}
finsh_code_dword((long)&(var->value.short_value));
break;
case finsh_type_int:
case finsh_type_uint:
case finsh_type_long:
case finsh_type_ulong:
case finsh_type_charp:
case finsh_type_shortp:
case finsh_type_intp:
case finsh_type_longp:
if (node->idtype & FINSH_IDTYPE_ADDRESS)
{
/* load address */
finsh_code_byte(FINSH_OP_LD_DWORD);
}
else
{
/* load value */
finsh_code_byte(FINSH_OP_LD_VALUE_DWORD);
}
finsh_code_dword((long)&(var->value.long_value));
break;
}
}
}
}
break;
/* load const */
case FINSH_NODE_VALUE_CHAR:
finsh_code_byte(FINSH_OP_LD_BYTE);
finsh_code_byte(node->value.char_value);
break;
case FINSH_NODE_VALUE_INT:
case FINSH_NODE_VALUE_LONG:
finsh_code_byte(FINSH_OP_LD_DWORD);
finsh_code_dword(node->value.long_value);
break;
case FINSH_NODE_VALUE_NULL:
case FINSH_NODE_VALUE_STRING:
finsh_code_byte(FINSH_OP_LD_DWORD);
finsh_code_dword((u_long)node->value.ptr);
break;
/* arithmetic operation */
case FINSH_NODE_SYS_ADD:
if (node->data_type == FINSH_DATA_TYPE_BYTE) finsh_code_byte(FINSH_OP_ADD_BYTE);
else if (node->data_type == FINSH_DATA_TYPE_WORD) finsh_code_byte(FINSH_OP_ADD_WORD);
else if (node->data_type == FINSH_DATA_TYPE_DWORD) finsh_code_byte(FINSH_OP_ADD_DWORD);
break;
case FINSH_NODE_SYS_SUB:
if (node->data_type == FINSH_DATA_TYPE_BYTE) finsh_code_byte(FINSH_OP_SUB_BYTE);
else if (node->data_type == FINSH_DATA_TYPE_WORD) finsh_code_byte(FINSH_OP_SUB_WORD);
else if (node->data_type == FINSH_DATA_TYPE_DWORD) finsh_code_byte(FINSH_OP_SUB_DWORD);
break;
case FINSH_NODE_SYS_MUL:
if (node->data_type == FINSH_DATA_TYPE_BYTE) finsh_code_byte(FINSH_OP_MUL_BYTE);
else if (node->data_type == FINSH_DATA_TYPE_WORD) finsh_code_byte(FINSH_OP_MUL_WORD);
else if (node->data_type == FINSH_DATA_TYPE_DWORD) finsh_code_byte(FINSH_OP_MUL_DWORD);
break;
case FINSH_NODE_SYS_DIV:
if (node->data_type == FINSH_DATA_TYPE_BYTE) finsh_code_byte(FINSH_OP_DIV_BYTE);
else if (node->data_type == FINSH_DATA_TYPE_WORD) finsh_code_byte(FINSH_OP_DIV_WORD);
else if (node->data_type == FINSH_DATA_TYPE_DWORD) finsh_code_byte(FINSH_OP_DIV_DWORD);
break;
case FINSH_NODE_SYS_MOD:
if (node->data_type == FINSH_DATA_TYPE_BYTE) finsh_code_byte(FINSH_OP_MOD_BYTE);
else if (node->data_type == FINSH_DATA_TYPE_WORD) finsh_code_byte(FINSH_OP_MOD_WORD);
else if (node->data_type == FINSH_DATA_TYPE_DWORD) finsh_code_byte(FINSH_OP_MOD_DWORD);
break;
/* bit operation */
case FINSH_NODE_SYS_AND:
if (node->data_type == FINSH_DATA_TYPE_BYTE) finsh_code_byte(FINSH_OP_AND_BYTE);
else if (node->data_type == FINSH_DATA_TYPE_WORD) finsh_code_byte(FINSH_OP_AND_WORD);
else if (node->data_type == FINSH_DATA_TYPE_DWORD) finsh_code_byte(FINSH_OP_AND_DWORD);
break;
case FINSH_NODE_SYS_OR:
if (node->data_type == FINSH_DATA_TYPE_BYTE) finsh_code_byte(FINSH_OP_OR_BYTE);
else if (node->data_type == FINSH_DATA_TYPE_WORD) finsh_code_byte(FINSH_OP_OR_WORD);
else if (node->data_type == FINSH_DATA_TYPE_DWORD) finsh_code_byte(FINSH_OP_OR_DWORD);
break;
case FINSH_NODE_SYS_XOR:
if (node->data_type == FINSH_DATA_TYPE_BYTE) finsh_code_byte(FINSH_OP_XOR_BYTE);
else if (node->data_type == FINSH_DATA_TYPE_WORD) finsh_code_byte(FINSH_OP_XOR_WORD);
else if (node->data_type == FINSH_DATA_TYPE_DWORD) finsh_code_byte(FINSH_OP_XOR_DWORD);
break;
case FINSH_NODE_SYS_BITWISE:
if (node->data_type == FINSH_DATA_TYPE_BYTE) finsh_code_byte(FINSH_OP_BITWISE_BYTE);
else if (node->data_type == FINSH_DATA_TYPE_WORD) finsh_code_byte(FINSH_OP_BITWISE_WORD);
else if (node->data_type == FINSH_DATA_TYPE_DWORD) finsh_code_byte(FINSH_OP_BITWISE_DWORD);
break;
case FINSH_NODE_SYS_SHL:
if (node->data_type == FINSH_DATA_TYPE_BYTE) finsh_code_byte(FINSH_OP_SHL_BYTE);
else if (node->data_type == FINSH_DATA_TYPE_WORD) finsh_code_byte(FINSH_OP_SHL_WORD);
else if (node->data_type == FINSH_DATA_TYPE_DWORD) finsh_code_byte(FINSH_OP_SHL_DWORD);
break;
case FINSH_NODE_SYS_SHR:
if (node->data_type == FINSH_DATA_TYPE_BYTE) finsh_code_byte(FINSH_OP_SHR_BYTE);
else if (node->data_type == FINSH_DATA_TYPE_WORD) finsh_code_byte(FINSH_OP_SHR_WORD);
else if (node->data_type == FINSH_DATA_TYPE_DWORD) finsh_code_byte(FINSH_OP_SHR_DWORD);
break;
/* syscall */
case FINSH_NODE_SYS_FUNC:
{
int parameters;
struct finsh_node* sibling;
parameters = 0;
if (finsh_node_child(node) != NULL)
{
sibling = finsh_node_sibling(finsh_node_child(node));
while (sibling != NULL)
{
parameters ++;
sibling = finsh_node_sibling(sibling);
}
/* load address of function */
// finsh_code_dword((long)&(node->var->value.ptr));
/* syscall parameters */
finsh_code_byte(FINSH_OP_SYSCALL);
finsh_code_byte(parameters);
}
}
break;
/* assign expression */
case FINSH_NODE_SYS_ASSIGN:
if (finsh_node_child(node) && finsh_node_child(node)->node_type == FINSH_NODE_ID)
{
switch (finsh_node_child(node)->data_type)
{
case FINSH_DATA_TYPE_BYTE:
finsh_code_byte(FINSH_OP_ST_BYTE);
/* load value again */
finsh_code_byte(FINSH_OP_LD_VALUE_BYTE_STACK);
break;
case FINSH_DATA_TYPE_WORD:
finsh_code_byte(FINSH_OP_ST_WORD);
/* load value again */
finsh_code_byte(FINSH_OP_LD_VALUE_WORD_STACK);
break;
case FINSH_DATA_TYPE_DWORD:
finsh_code_byte(FINSH_OP_ST_DWORD);
/* load value again */
finsh_code_byte(FINSH_OP_LD_VALUE_DWORD_STACK);
break;
default:
finsh_error_set(FINSH_ERROR_UNKNOWN_TYPE);
}
}
else if (finsh_node_child(node)->node_type == FINSH_NODE_SYS_GETVALUE)
{
switch ((finsh_node_child(node)->data_type) & 0x0F)
{
case FINSH_DATA_TYPE_BYTE:
finsh_code_byte(FINSH_OP_ST_BYTE);
/* load value again */
finsh_code_byte(FINSH_OP_LD_VALUE_BYTE_STACK);
break;
case FINSH_DATA_TYPE_WORD:
finsh_code_byte(FINSH_OP_ST_WORD);
/* load value again */
finsh_code_byte(FINSH_OP_LD_VALUE_WORD_STACK);
break;
case FINSH_DATA_TYPE_DWORD:
finsh_code_byte(FINSH_OP_ST_DWORD);
/* load value again */
finsh_code_byte(FINSH_OP_LD_VALUE_DWORD_STACK);
break;
default:
finsh_error_set(FINSH_ERROR_UNKNOWN_TYPE);
}
}
break;
/* pre-increase */
case FINSH_NODE_SYS_PREINC:
if (finsh_node_child(node) && finsh_node_child(node)->node_type == FINSH_NODE_ID)
{
struct finsh_var* var;
var = finsh_node_child(node)->id.var;
/* ld_dword &id */
// finsh_code_byte(FINSH_OP_LD_DWORD);
switch (node->data_type)
{
case FINSH_DATA_TYPE_BYTE:
/* address */
// finsh_code_dword((long)&(var->value.char_value));
/* ld_value_byte &id */
finsh_code_byte(FINSH_OP_LD_VALUE_BYTE);
finsh_code_dword((long)&(var->value.char_value));
/* ld_byte 1 */
finsh_code_byte(FINSH_OP_LD_BYTE);
finsh_code_byte(1);
/* add_byte */
finsh_code_byte(FINSH_OP_ADD_BYTE);
/* st_byte */
finsh_code_byte(FINSH_OP_ST_BYTE);
/* load value again */
finsh_code_byte(FINSH_OP_LD_VALUE_DWORD_STACK);
break;
case FINSH_DATA_TYPE_WORD:
/* address */
// finsh_code_dword((long)&(var->value.short_value));
/* ld_value_word &id */
finsh_code_byte(FINSH_OP_LD_VALUE_WORD);
finsh_code_dword((long)&(var->value.short_value));
/* ld_word 1 */
finsh_code_byte(FINSH_OP_LD_WORD);
finsh_code_word(1);
/* add_word */
finsh_code_byte(FINSH_OP_ADD_WORD);
/* st_word */
finsh_code_byte(FINSH_OP_ST_WORD);
/* load value again */
finsh_code_byte(FINSH_OP_LD_VALUE_DWORD_STACK);
break;
case FINSH_DATA_TYPE_DWORD:
/* address */
// finsh_code_dword((long)&(var->value.long_value));
/* ld_dword &id */
finsh_code_byte(FINSH_OP_LD_VALUE_DWORD);
finsh_code_dword((long)&(var->value.long_value));
/* ld_dword 1 */
finsh_code_byte(FINSH_OP_LD_DWORD);
finsh_code_dword(1);
/* add_dword */
finsh_code_byte(FINSH_OP_ADD_DWORD);
/* st_dword */
finsh_code_byte(FINSH_OP_ST_DWORD);
/* load value again */
finsh_code_byte(FINSH_OP_LD_VALUE_DWORD_STACK);
break;
}
}
break;
/* pre-decrease */
case FINSH_NODE_SYS_PREDEC:
if (finsh_node_child(node) && finsh_node_child(node)->node_type == FINSH_NODE_ID)
{
struct finsh_var* var;
var = finsh_node_child(node)->id.var;
/* ld_dword &id */
// finsh_code_byte(FINSH_OP_LD_DWORD);
switch (node->data_type)
{
case FINSH_DATA_TYPE_BYTE:
/* address */
// finsh_code_dword((long)&(var->value.char_value));
/* ld_value_byte &id */
finsh_code_byte(FINSH_OP_LD_VALUE_BYTE);
finsh_code_dword((long)&(var->value.char_value));
/* ld_byte 1 */
finsh_code_byte(FINSH_OP_LD_BYTE);
finsh_code_byte(1);
/* add_byte */
finsh_code_byte(FINSH_OP_SUB_BYTE);
/* st_byte */
finsh_code_byte(FINSH_OP_ST_BYTE);
/* load value again */
finsh_code_byte(FINSH_OP_LD_VALUE_DWORD_STACK);
break;
case FINSH_DATA_TYPE_WORD:
/* address */
// finsh_code_dword((long)&(var->value.short_value));
/* ld_value_word &id */
finsh_code_byte(FINSH_OP_LD_VALUE_WORD);
finsh_code_dword((long)&(var->value.short_value));
/* ld_word 1 */
finsh_code_byte(FINSH_OP_LD_WORD);
finsh_code_word(1);
/* add_word */
finsh_code_byte(FINSH_OP_SUB_WORD);
/* st_word */
finsh_code_byte(FINSH_OP_ST_WORD);
/* load value again */
finsh_code_byte(FINSH_OP_LD_VALUE_DWORD_STACK);
break;
case FINSH_DATA_TYPE_DWORD:
/* address */
// finsh_code_dword((long)&(var->value.long_value));
/* ld_dword &id */
finsh_code_byte(FINSH_OP_LD_VALUE_DWORD);
finsh_code_dword((long)&(var->value.long_value));
/* ld_dword 1 */
finsh_code_byte(FINSH_OP_LD_DWORD);
finsh_code_dword(1);
/* add_dword */
finsh_code_byte(FINSH_OP_SUB_DWORD);
/* st_dword */
finsh_code_byte(FINSH_OP_ST_DWORD);
/* load value again */
finsh_code_byte(FINSH_OP_LD_VALUE_DWORD_STACK);
break;
}
}
break;
/* increase */
case FINSH_NODE_SYS_INC:
if (finsh_node_child(node) && finsh_node_child(node)->node_type == FINSH_NODE_ID)
{
struct finsh_var* var;
var = finsh_node_child(node)->id.var;
switch (node->data_type)
{
case FINSH_DATA_TYPE_BYTE:
/* ld_value_byte &id */
// finsh_code_byte(FINSH_OP_LD_VALUE_BYTE);
// finsh_code_dword((long)&(var->value.char_value));
/* ld_dword &id */
finsh_code_byte(FINSH_OP_LD_DWORD);
finsh_code_dword((long)&(var->value.char_value));
/* ld_value_byte &id */
finsh_code_byte(FINSH_OP_LD_VALUE_BYTE);
finsh_code_dword((long)&(var->value.char_value));
/* ld_byte 1 */
finsh_code_byte(FINSH_OP_LD_BYTE);
finsh_code_byte(1);
/* add_byte */
finsh_code_byte(FINSH_OP_ADD_BYTE);
/* get byte */
finsh_code_byte(FINSH_OP_ST_BYTE);
/* pop */
finsh_code_byte(FINSH_OP_POP);
break;
case FINSH_DATA_TYPE_WORD:
/* ld_value_word &id */
// finsh_code_byte(FINSH_OP_LD_VALUE_WORD);
// finsh_code_dword((long)&(var->value.short_value));
/* ld_dword &id */
finsh_code_byte(FINSH_OP_LD_DWORD);
finsh_code_dword((long)&(var->value.short_value));
/* ld_value_word &id */
finsh_code_byte(FINSH_OP_LD_VALUE_WORD);
finsh_code_dword((long)&(var->value.short_value));
/* ld_word 1 */
finsh_code_byte(FINSH_OP_LD_WORD);
finsh_code_word(1);
/* add_byte */
finsh_code_byte(FINSH_OP_ADD_WORD);
/* get byte */
finsh_code_byte(FINSH_OP_ST_WORD);
/* pop */
finsh_code_byte(FINSH_OP_POP);
break;
case FINSH_DATA_TYPE_DWORD:
/* ld_value_dword &id */
// finsh_code_byte(FINSH_OP_LD_VALUE_DWORD);
// finsh_code_dword((long)&(var->value.long_value));
/* ld_dword &id */
finsh_code_byte(FINSH_OP_LD_DWORD);
finsh_code_dword((long)&(var->value.long_value));
/* ld_value_dword &id */
finsh_code_byte(FINSH_OP_LD_VALUE_DWORD);
finsh_code_dword((long)&(var->value.long_value));
/* ld_dword 1 */
finsh_code_byte(FINSH_OP_LD_DWORD);
finsh_code_dword(1);
/* add_byte */
finsh_code_byte(FINSH_OP_ADD_DWORD);
/* get byte */
finsh_code_byte(FINSH_OP_ST_DWORD);
/* pop */
finsh_code_byte(FINSH_OP_POP);
break;
}
}
break;
/* decrease */
case FINSH_NODE_SYS_DEC:
if (finsh_node_child(node) && finsh_node_child(node)->node_type == FINSH_NODE_ID)
{
struct finsh_var* var;
var = finsh_node_child(node)->id.var;
switch (node->data_type)
{
case FINSH_DATA_TYPE_BYTE:
/* ld_value_byte &id */
// finsh_code_byte(FINSH_OP_LD_VALUE_BYTE);
// finsh_code_dword((long)&(var->value.char_value));
/* ld_dword &id */
finsh_code_byte(FINSH_OP_LD_DWORD);
finsh_code_dword((long)&(var->value.char_value));
/* ld_value_byte &id */
finsh_code_byte(FINSH_OP_LD_VALUE_BYTE);
finsh_code_dword((long)&(var->value.char_value));
/* ld_byte 1 */
finsh_code_byte(FINSH_OP_LD_BYTE);
finsh_code_byte(1);
/* add_byte */
finsh_code_byte(FINSH_OP_SUB_BYTE);
/* get byte */
finsh_code_byte(FINSH_OP_ST_BYTE);
/* pop */
finsh_code_byte(FINSH_OP_POP);
break;
case FINSH_DATA_TYPE_WORD:
/* ld_value_word &id */
// finsh_code_byte(FINSH_OP_LD_VALUE_WORD);
// finsh_code_dword((long)&(var->value.short_value));
/* ld_dword &id */
finsh_code_byte(FINSH_OP_LD_DWORD);
finsh_code_dword((long)&(var->value.short_value));
/* ld_value_word &id */
finsh_code_byte(FINSH_OP_LD_VALUE_WORD);
finsh_code_dword((long)&(var->value.short_value));
/* ld_word 1 */
finsh_code_byte(FINSH_OP_LD_WORD);
finsh_code_word(1);
/* add_byte */
finsh_code_byte(FINSH_OP_SUB_WORD);
/* get byte */
finsh_code_byte(FINSH_OP_ST_WORD);
/* pop */
finsh_code_byte(FINSH_OP_POP);
break;
case FINSH_DATA_TYPE_DWORD:
/* ld_value_dword &id */
// finsh_code_byte(FINSH_OP_LD_VALUE_DWORD);
// finsh_code_dword((long)&(var->value.long_value));
/* ld_dword &id */
finsh_code_byte(FINSH_OP_LD_DWORD);
finsh_code_dword((long)&(var->value.long_value));
/* ld_value_dword &id */
finsh_code_byte(FINSH_OP_LD_VALUE_DWORD);
finsh_code_dword((long)&(var->value.long_value));
/* ld_dword 1 */
finsh_code_byte(FINSH_OP_LD_DWORD);
finsh_code_dword(1);
/* add_byte */
finsh_code_byte(FINSH_OP_SUB_DWORD);
/* get byte */
finsh_code_byte(FINSH_OP_ST_DWORD);
/* pop */
finsh_code_byte(FINSH_OP_POP);
break;
}
}
break;
case FINSH_NODE_SYS_NULL:
finsh_code_dword(0);
break;
case FINSH_NODE_SYS_GETVALUE:
if (node->idtype & FINSH_IDTYPE_ADDRESS)
{
/* nothing will be generated */
}
else
{
switch (node->data_type)
{
case FINSH_DATA_TYPE_BYTE:
finsh_code_byte(FINSH_OP_LD_VALUE_BYTE_STACK);
break;
case FINSH_DATA_TYPE_WORD:
finsh_code_byte(FINSH_OP_LD_VALUE_WORD_STACK);
break;
case FINSH_DATA_TYPE_DWORD:
finsh_code_byte(FINSH_OP_LD_VALUE_DWORD_STACK);
break;
default:
break;
}
}
break;
case FINSH_NODE_SYS_GETADDR:
/* nothing will be generated */
break;
default:
finsh_error_set(FINSH_ERROR_UNKNOWN_NODE);
break;
}
/* compile sibling node */
if (finsh_node_sibling(node) != NULL)
finsh_compile(finsh_node_sibling(node));
}
return 0;
}
static int finsh_type_check(struct finsh_node* node, u_char is_addr)
{
if (node != NULL)
{
/* address & value */
if (node->node_type == FINSH_NODE_SYS_ASSIGN ||
node->node_type == FINSH_NODE_SYS_PREINC ||
node->node_type == FINSH_NODE_SYS_PREDEC ||
node->node_type == FINSH_NODE_SYS_GETADDR)
{
/* address */
finsh_type_check(finsh_node_child(node), FINSH_IDTYPE_ADDRESS);
}
else if (node->node_type == FINSH_NODE_SYS_GETVALUE && is_addr)
{
/* change the attribute of getvalue in left expr */
finsh_type_check(finsh_node_child(node), 0);
}
else
{
/* transfer 'av' to child node */
finsh_type_check(finsh_node_child(node), is_addr);
}
/* always does not load address in sibling */
finsh_type_check(finsh_node_sibling(node), FINSH_NODE_VALUE);
/** set attribute of current node */
/* make sure the current node is address or value */
if (node->idtype != FINSH_IDTYPE_SYSCALL) node->idtype |= is_addr;
if (finsh_node_child(node) != NULL)
{
node->data_type = finsh_node_child(node)->data_type;
return 0;
}
if (node->node_type == FINSH_NODE_ID)
{
if (node->idtype & FINSH_IDTYPE_VAR)
{
struct finsh_var* var;
var = node->id.var;
if (var != NULL)
{
switch (var->type)
{
case finsh_type_void:
node->data_type = FINSH_DATA_TYPE_VOID;
break;
case finsh_type_char:
case finsh_type_uchar:
node->data_type = FINSH_DATA_TYPE_BYTE;
break;
case finsh_type_short:
case finsh_type_ushort:
node->data_type = FINSH_DATA_TYPE_WORD;
break;
case finsh_type_int:
case finsh_type_uint:
case finsh_type_long:
case finsh_type_ulong:
node->data_type = FINSH_DATA_TYPE_DWORD;
break;
case finsh_type_charp:
case finsh_type_voidp:
case finsh_type_shortp:
case finsh_type_intp:
case finsh_type_longp:
node->data_type = FINSH_DATA_TYPE_DWORD;
break;
default:
finsh_error_set(FINSH_ERROR_UNKNOWN_TYPE);
break;
}
}
}
else if (node->idtype & FINSH_IDTYPE_SYSVAR)
{
struct finsh_sysvar *sysvar;
sysvar = node->id.sysvar;
if (sysvar != NULL)
{
switch (sysvar->type)
{
case finsh_type_void:
node->data_type = FINSH_DATA_TYPE_VOID;
break;
case finsh_type_char:
case finsh_type_uchar:
node->data_type = FINSH_DATA_TYPE_BYTE;
break;
case finsh_type_short:
case finsh_type_ushort:
node->data_type = FINSH_DATA_TYPE_WORD;
break;
case finsh_type_int:
case finsh_type_uint:
case finsh_type_long:
case finsh_type_ulong:
node->data_type = FINSH_DATA_TYPE_DWORD;
break;
case finsh_type_charp:
case finsh_type_voidp:
case finsh_type_shortp:
case finsh_type_intp:
case finsh_type_longp:
node->data_type = FINSH_DATA_TYPE_DWORD;
break;
default:
finsh_error_set(FINSH_ERROR_UNKNOWN_TYPE);
break;
}
}
}
}
else if (node->node_type == FINSH_NODE_VALUE_CHAR)
{
node->data_type = FINSH_DATA_TYPE_BYTE;
}
else if (node->node_type == FINSH_NODE_VALUE_INT ||
node->node_type == FINSH_NODE_VALUE_LONG ||
node->node_type == FINSH_NODE_VALUE_STRING ||
node->node_type == FINSH_NODE_VALUE_NULL)
{
node->data_type = FINSH_DATA_TYPE_DWORD;
}
}
return 0;
}
int finsh_compiler_run(struct finsh_node* node)
{
struct finsh_node* sibling;
/* type check */
finsh_type_check(node, FINSH_NODE_VALUE);
/* clean text segment and vm stack */
memset(&text_segment[0], 0, sizeof(text_segment));
memset(&finsh_vm_stack[0], 0, sizeof(finsh_vm_stack[0]));
/* reset compile stack pointer and pc */
finsh_compile_sp = &finsh_vm_stack[0];
finsh_compile_pc = &text_segment[0];
/* compile node */
sibling = node;
while (sibling != NULL)
{
struct finsh_node* current_node;
current_node = sibling;
/* get sibling node */
sibling = current_node->sibling;
/* clean sibling node */
current_node->sibling = NULL;
finsh_compile(current_node);
/* pop current value */
if (sibling != NULL) finsh_code_byte(FINSH_OP_POP);
}
return 0;
}
@@ -0,0 +1,74 @@
/*
* error number for finsh shell.
*
* COPYRIGHT (C) 2013, Shanghai Real-Thread Technology Co., Ltd
*
* This file is part of RT-Thread (http://www.rt-thread.org)
* Maintainer: bernard.xiong <bernard.xiong at gmail.com>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2010-03-22 Bernard first version
*/
#include "finsh_error.h"
u_char global_errno;
static const char * finsh_error_string_table[] =
{
"No error",
"Invalid token",
"Expect a type",
"Unknown type",
"Variable exist",
"Expect a operater",
"Memory full",
"Unknown operator",
"Unknown node",
"Expect a character",
"Unexpect end",
"Unknown token",
"Float not supported",
"Unknown symbol",
"Null node"
};
int finsh_error_init()
{
global_errno = FINSH_ERROR_OK;
return 0;
}
int finsh_error_set(u_char type)
{
global_errno = type;
return 0;
}
u_char finsh_errno()
{
return global_errno;
}
const char* finsh_error_string(u_char type)
{
return finsh_error_string_table[type];
}
@@ -0,0 +1,42 @@
/*
* error number for finsh shell.
*
* COPYRIGHT (C) 2013, Shanghai Real-Thread Technology Co., Ltd
*
* This file is part of RT-Thread (http://www.rt-thread.org)
* Maintainer: bernard.xiong <bernard.xiong at gmail.com>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2010-03-22 Bernard first version
*/
#ifndef __FINSH_ERROR_H__
#define __FINSH_ERROR_H__
#include <finsh.h>
int finsh_error_init(void);
/* get error number */
u_char finsh_errno(void);
int finsh_error_set(u_char type);
const char* finsh_error_string(u_char type);
#endif
@@ -0,0 +1,298 @@
/*
* heap management in finsh shell.
*
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This file is part of RT-Thread (http://www.rt-thread.org)
* Maintainer: bernard.xiong <bernard.xiong at gmail.com>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2010-03-22 Bernard first version
*/
#include <finsh.h>
#include "finsh_var.h"
ALIGN(RT_ALIGN_SIZE)
u_char finsh_heap[FINSH_HEAP_MAX];
struct finsh_block_header
{
u_long length;
struct finsh_block_header* next;
};
#define BLOCK_HEADER(x) (struct finsh_block_header*)(x)
#define finsh_block_get_header(data) (struct finsh_block_header*)((u_char*)data - sizeof(struct finsh_block_header))
#define finsh_block_get_data(header) (u_char*)((struct finsh_block_header*)header + 1)
#define HEAP_ALIGN_SIZE(size) (((size) + HEAP_ALIGNMENT - 1) & ~(HEAP_ALIGNMENT-1))
static struct finsh_block_header* free_list;
static struct finsh_block_header* allocate_list;
static void finsh_heap_gc(void);
static void finsh_block_insert(struct finsh_block_header** list, struct finsh_block_header* header);
static void finsh_block_remove(struct finsh_block_header** list, struct finsh_block_header* header);
static void finsh_block_split(struct finsh_block_header* header, size_t size);
static void finsh_block_merge(struct finsh_block_header** list, struct finsh_block_header* header);
int finsh_heap_init(void)
{
/* clear heap to zero */
memset(&finsh_heap[0], 0, sizeof(finsh_heap));
/* init free and alloc list */
free_list = BLOCK_HEADER(&finsh_heap[0]);
free_list->length = FINSH_HEAP_MAX - sizeof(struct finsh_block_header);
free_list->next = NULL;
allocate_list = NULL;
return 0;
}
/**
* allocate a block from heap
*/
void* finsh_heap_allocate(size_t size)
{
struct finsh_block_header* header;
size = HEAP_ALIGN_SIZE(size);
/* find the first fit block */
for (header = free_list;
((header != NULL) && (header->length <= size + sizeof(struct finsh_block_header)));
header = header->next) ;
if (header == NULL)
{
finsh_heap_gc();
/* find the first fit block */
for (header = free_list;
((header != NULL) && (header->length < size + sizeof(struct finsh_block_header)));
header = header->next) ;
/* there is no memory */
if (header == NULL) return NULL;
}
/* split block */
finsh_block_split(header, size);
/* remove from free list */
finsh_block_remove(&free_list, header);
header->next = NULL;
/* insert to allocate list */
finsh_block_insert(&allocate_list, header);
memset(finsh_block_get_data(header), 0, size);
return finsh_block_get_data(header);
}
/**
* release the allocated block
*/
void finsh_heap_free(void*ptr)
{
struct finsh_block_header* header;
/* get block header */
header = finsh_block_get_header(ptr);
/* remove from allocate list */
finsh_block_remove(&allocate_list, header);
/* insert to free list */
finsh_block_insert(&free_list, header);
finsh_block_merge(&free_list, header);
}
/**
* garbage collector
*/
static void finsh_heap_gc(void)
{
int i;
struct finsh_block_header *header, *temp;
temp = NULL;
/* find the first fit block */
for (header = allocate_list; header != NULL; )
{
for (i = 0; i < FINSH_VARIABLE_MAX; i ++)
{
if (global_variable[i].type != finsh_type_unknown)
{
if (global_variable[i].value.ptr == finsh_block_get_data(header))
break;
}
}
temp = header;
header = header->next;
/* this block is an unused block, release it */
if (i == FINSH_VARIABLE_MAX)
{
finsh_heap_free(finsh_block_get_data(temp));
}
}
}
/**
* insert a block to list
*/
void finsh_block_insert(struct finsh_block_header** list, struct finsh_block_header* header)
{
struct finsh_block_header* node;
if (*list == NULL)
{
*list = header;
return;
}
/* find out insert point */
node = *list;
if (node > header)
{
/* insert node in the header of list */
header->next = node;
*list = header;
return;
}
else
{
for (node = *list; node; node = node->next)
{
if (node->next > header) break;
if (node->next == NULL) break;
}
}
/* insert node */
if (node->next != NULL) header->next = node->next;
node->next = header;
}
/**
* remove block from list
*/
void finsh_block_remove(struct finsh_block_header** list, struct finsh_block_header* header)
{
struct finsh_block_header* node;
node = *list;
if (node == header)
{
/* remove list header */
*list = header->next;
header->next = NULL;
return;
}
for (node = *list; node != NULL; node = node->next)
{
if (node->next == header)
{
node->next = header->next;
break;
}
}
}
/**
* split block
*/
void finsh_block_split(struct finsh_block_header* header, size_t size)
{
struct finsh_block_header* next;
/*
* split header into two node:
* header->next->...
*/
next = BLOCK_HEADER((u_char*)header + sizeof(struct finsh_block_header) + size);
next->length = header->length - sizeof(struct finsh_block_header) - size;
header->length = size;
next->next = header->next;
header->next = next;
}
void finsh_block_merge(struct finsh_block_header** list, struct finsh_block_header* header)
{
struct finsh_block_header* prev_node;
struct finsh_block_header* next_node;
next_node = header->next;
if (*list == header) prev_node = NULL;
else
{
/* find out the previous header */
for (prev_node = *list; prev_node; prev_node =prev_node->next)
{
if (prev_node->next == header)
break;
}
}
/* try merge node */
/* merge to previous node */
if (prev_node != NULL &&
((u_char*)prev_node + prev_node->length + sizeof(struct finsh_block_header)
== (u_char*)header))
{
/* is it close to next node? */
if ((next_node != NULL) &&
((u_char*)header + header->length + sizeof(struct finsh_block_header)
== (u_char*)next_node))
{
/* merge three node */
prev_node->length += header->length + next_node->length +
2 * sizeof(struct finsh_block_header);
prev_node->next = next_node->next;
}
else
{
prev_node->length += header->length + sizeof(struct finsh_block_header);
prev_node->next = header->next;
}
}
else /* merge to last node */
if ( (next_node != NULL) &&
((u_char*)header + header->length + sizeof(struct finsh_block_header)
== (u_char*)next_node))
{
header->length += next_node->length + sizeof(struct finsh_block_header);
header->next = next_node->next;
}
}
@@ -0,0 +1,38 @@
/*
* heap management in finsh shell.
*
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This file is part of RT-Thread (http://www.rt-thread.org)
* Maintainer: bernard.xiong <bernard.xiong at gmail.com>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2010-03-22 Bernard first version
*/
#include <finsh.h>
#ifndef __FINSH_HEAP_H__
#define __FINSH_HEAP_H__
int finsh_heap_init(void);
void* finsh_heap_allocate(size_t size);
void finsh_heap_free(void*ptr);
#endif
@@ -0,0 +1,76 @@
/*
* Initialization procedure for finsh shell.
*
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This file is part of RT-Thread (http://www.rt-thread.org)
* Maintainer: bernard.xiong <bernard.xiong at gmail.com>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2010-03-22 Bernard first version
*/
#include <finsh.h>
#include "finsh_node.h"
#include "finsh_vm.h"
#include "finsh_parser.h"
#include "finsh_var.h"
#include "finsh_error.h"
#include "finsh_heap.h"
int finsh_init(struct finsh_parser* parser)
{
finsh_parser_init(parser);
/* finsh init */
finsh_node_init();
finsh_var_init();
finsh_error_init();
finsh_heap_init();
return 0;
}
long finsh_stack_bottom()
{
return finsh_vm_stack[0].long_value;
}
int finsh_flush(struct finsh_parser* parser)
{
finsh_parser_init(parser);
/* finsh init */
finsh_node_init();
finsh_error_init();
return 0;
}
int finsh_reset(struct finsh_parser* parser)
{
/* finsh init */
finsh_node_init();
finsh_var_init();
finsh_error_init();
finsh_heap_init();
return 0;
}
@@ -0,0 +1,202 @@
/*
* node routines for finsh shell.
*
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This file is part of RT-Thread (http://www.rt-thread.org)
* Maintainer: bernard.xiong <bernard.xiong at gmail.com>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2010-03-22 Bernard first version
*/
#include <finsh.h>
#include "finsh_node.h"
#include "finsh_error.h"
#include "finsh_var.h"
#include "finsh_heap.h"
struct finsh_node global_node_table[FINSH_NODE_MAX];
int finsh_node_init()
{
memset(global_node_table, 0, sizeof(global_node_table));
return 0;
}
struct finsh_node* finsh_node_allocate(u_char type)
{
int i;
/* find an empty entry */
for (i = 0; i < FINSH_NODE_MAX; i ++)
{
if (global_node_table[i].node_type == FINSH_NODE_UNKNOWN) break;
}
if (i == FINSH_NODE_MAX) return NULL;
/* fill type field */
global_node_table[i].node_type = type;
/* return this allocated node */
return &global_node_table[i];
}
struct finsh_node* finsh_node_new_id(char* id)
{
struct finsh_node* node;
void* symbol;
unsigned char type;
symbol = NULL;
type = 0;
node = NULL;
/* lookup variable firstly */
symbol = (void*)finsh_var_lookup(id);
if (symbol == NULL)
{
/* then lookup system variable */
symbol = (void*)finsh_sysvar_lookup(id);
if (symbol == NULL)
{
/* then lookup system call */
symbol = (void*)finsh_syscall_lookup(id);
if (symbol != NULL) type = FINSH_IDTYPE_SYSCALL;
}
else type = FINSH_IDTYPE_SYSVAR;
}
else type = FINSH_IDTYPE_VAR;
if (symbol != NULL)
{
/* allocate a new node */
node = finsh_node_allocate(FINSH_NODE_ID);
/* allocate node error */
if (node == NULL)
{
finsh_error_set(FINSH_ERROR_MEMORY_FULL);
return NULL;
}
/* fill node value according type */
switch (type)
{
case FINSH_IDTYPE_VAR:
node->id.var = (struct finsh_var*)symbol;
break;
case FINSH_IDTYPE_SYSVAR:
node->id.sysvar = (struct finsh_sysvar*)symbol;
break;
case FINSH_IDTYPE_SYSCALL:
node->id.syscall = (struct finsh_syscall*)symbol;
break;
}
/* fill identifier type */
node->idtype = type;
}
else finsh_error_set(FINSH_ERROR_UNKNOWN_SYMBOL);
return node;
}
struct finsh_node* finsh_node_new_char(char c)
{
struct finsh_node* node;
node = finsh_node_allocate(FINSH_NODE_VALUE_CHAR);
if (node == NULL)
{
finsh_error_set(FINSH_ERROR_MEMORY_FULL);
return NULL;
}
node->value.char_value = c;
return node;
}
struct finsh_node* finsh_node_new_int(int i)
{
struct finsh_node* node;
node = finsh_node_allocate(FINSH_NODE_VALUE_INT);
if (node == NULL)
{
finsh_error_set(FINSH_ERROR_MEMORY_FULL);
return NULL;
}
node->value.int_value = i;
return node;
}
struct finsh_node* finsh_node_new_long(long l)
{
struct finsh_node* node;
node = finsh_node_allocate(FINSH_NODE_VALUE_LONG);
if (node == NULL)
{
finsh_error_set(FINSH_ERROR_MEMORY_FULL);
return NULL;
}
node->value.long_value = l;
return node;
}
struct finsh_node* finsh_node_new_string(char* s)
{
struct finsh_node* node;
node = finsh_node_allocate(FINSH_NODE_VALUE_STRING);
if (node == NULL)
{
finsh_error_set(FINSH_ERROR_MEMORY_FULL);
return NULL;
}
/* make string */
node->value.ptr = finsh_heap_allocate(strlen(s) + 1);
strncpy(node->value.ptr, s, strlen(s));
((u_char*)node->value.ptr)[strlen(s)] = '\0';
return node;
}
struct finsh_node* finsh_node_new_ptr(void* ptr)
{
struct finsh_node* node;
node = finsh_node_allocate(FINSH_NODE_VALUE_NULL);
if (node == NULL)
{
finsh_error_set(FINSH_ERROR_MEMORY_FULL);
return NULL;
}
node->value.ptr = ptr;
return node;
}
@@ -0,0 +1,88 @@
/*
* node routines for finsh shell.
*
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This file is part of RT-Thread (http://www.rt-thread.org)
* Maintainer: bernard.xiong <bernard.xiong at gmail.com>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2010-03-22 Bernard first version
*/
#ifndef __FINSH_NODE_H__
#define __FINSH_NODE_H__
#include <finsh.h>
#define FINSH_NODE_UNKNOWN 0
#define FINSH_NODE_ID 1
#define FINSH_NODE_VALUE_CHAR 2
#define FINSH_NODE_VALUE_INT 3
#define FINSH_NODE_VALUE_LONG 4
#define FINSH_NODE_VALUE_STRING 5
#define FINSH_NODE_VALUE_NULL 6
#define FINSH_NODE_SYS_ADD 7
#define FINSH_NODE_SYS_SUB 8
#define FINSH_NODE_SYS_MUL 9
#define FINSH_NODE_SYS_DIV 10
#define FINSH_NODE_SYS_MOD 11
#define FINSH_NODE_SYS_AND 12
#define FINSH_NODE_SYS_OR 13
#define FINSH_NODE_SYS_XOR 14
#define FINSH_NODE_SYS_BITWISE 15
#define FINSH_NODE_SYS_SHL 16
#define FINSH_NODE_SYS_SHR 17
#define FINSH_NODE_SYS_FUNC 18
#define FINSH_NODE_SYS_ASSIGN 19
#define FINSH_NODE_SYS_CAST 20
#define FINSH_NODE_SYS_PREINC 21
#define FINSH_NODE_SYS_PREDEC 22
#define FINSH_NODE_SYS_INC 23
#define FINSH_NODE_SYS_DEC 24
#define FINSH_NODE_SYS_GETVALUE 25
#define FINSH_NODE_SYS_GETADDR 26
#define FINSH_NODE_SYS_NULL 27
#define FINSH_DATA_TYPE_VOID 0x00
#define FINSH_DATA_TYPE_BYTE 0x01
#define FINSH_DATA_TYPE_WORD 0x02
#define FINSH_DATA_TYPE_DWORD 0x03
#define FINSH_DATA_TYPE_PTR 0x10
#define FINSH_NODE_VALUE 0
#define FINSH_NODE_ADDRESS 1
#define FINSH_NODE_FUNCTION 2
int finsh_node_init(void);
struct finsh_node* finsh_node_allocate(u_char type);
struct finsh_node* finsh_node_new_id(char* id);
struct finsh_node* finsh_node_new_char(char c);
struct finsh_node* finsh_node_new_int(int i);
struct finsh_node* finsh_node_new_long(long l);
struct finsh_node* finsh_node_new_string(char* s);
struct finsh_node* finsh_node_new_ptr(void* ptr);
#define finsh_node_sibling(node) ((node)->sibling)
#define finsh_node_child(node) ((node)->child)
#endif
@@ -0,0 +1,622 @@
/*
* operations for finsh shell.
*
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This file is part of RT-Thread (http://www.rt-thread.org)
* Maintainer: bernard.xiong <bernard.xiong at gmail.com>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2010-03-22 Bernard first version
*/
#include "finsh_ops.h"
#include "finsh_vm.h"
#define OP_BIN_BYTE(x) do {\
(finsh_sp - 2)->char_value = (finsh_sp - 2)->char_value x (finsh_sp - 1)->char_value; \
finsh_sp--; \
}while (0)
#define OP_BIN_WORD(x) do {\
(finsh_sp - 2)->short_value = (finsh_sp - 2)->short_value x (finsh_sp - 1)->short_value; \
finsh_sp--; \
}while (0)
#define OP_BIN_DWORD(x) do {\
(finsh_sp - 2)->long_value = (finsh_sp - 2)->long_value x (finsh_sp - 1)->long_value; \
finsh_sp--; \
}while (0)
/* --- noop --- */
void OP_no_op()
{
/* none */
return ;
}
/* --- add --- */
void OP_add_byte()
{
OP_BIN_BYTE(+);
return ;
}
void OP_add_word()
{
OP_BIN_WORD(+);
return ;
}
void OP_add_dword()
{
OP_BIN_DWORD(+);
return ;
}
/* --- sub --- */
void OP_sub_byte()
{
OP_BIN_BYTE(-);
return ;
}
void OP_sub_word()
{
OP_BIN_WORD(-);
return ;
}
void OP_sub_dword()
{
OP_BIN_DWORD(-);
return ;
}
/* --- div --- */
void OP_div_byte()
{
OP_BIN_BYTE(/);
return ;
}
void OP_div_word()
{
OP_BIN_WORD(/);
return ;
}
void OP_div_dword()
{
OP_BIN_DWORD(/);
return ;
}
/* --- mod --- */
void OP_mod_byte()
{
OP_BIN_BYTE(%);
return ;
}
void OP_mod_word()
{
OP_BIN_WORD(%);
return ;
}
void OP_mod_dword()
{
OP_BIN_DWORD(%);
return ;
}
/* --- mul --- */
void OP_mul_byte()
{
OP_BIN_BYTE(*);
return ;
}
void OP_mul_word()
{
OP_BIN_WORD(*);
return ;
}
void OP_mul_dword()
{
OP_BIN_DWORD(*);
return ;
}
/* --- and --- */
void OP_and_byte()
{
OP_BIN_BYTE(&);
return ;
}
void OP_and_word()
{
OP_BIN_WORD(&);
return ;
}
void OP_and_dword()
{
OP_BIN_DWORD(&);
return ;
}
/* --- or --- */
void OP_or_byte()
{
OP_BIN_BYTE(|);
return ;
}
void OP_or_word()
{
OP_BIN_WORD(|);
return ;
}
void OP_or_dword()
{
OP_BIN_DWORD(|);
return ;
}
/* --- xor --- */
void OP_xor_byte()
{
OP_BIN_BYTE(^);
return ;
}
void OP_xor_word()
{
OP_BIN_WORD(^);
return ;
}
void OP_xor_dword()
{
OP_BIN_DWORD(^);
return ;
}
/* --- bw --- */
void OP_bw_byte()
{
(finsh_sp - 1)->char_value = ~ ((finsh_sp - 1)->char_value);
return ;
}
void OP_bw_word()
{
(finsh_sp - 1)->short_value = ~ ((finsh_sp - 1)->short_value);
return ;
}
void OP_bw_dword()
{
(finsh_sp - 1)->long_value = ~ ((finsh_sp - 1)->long_value);
return ;
}
/* --- shl --- */
void OP_shl_byte()
{
OP_BIN_BYTE(<<);
return ;
}
void OP_shl_word()
{
OP_BIN_WORD(<<);
return ;
}
void OP_shl_dword()
{
OP_BIN_DWORD(<<);
return ;
}
/* --- shr --- */
void OP_shr_byte()
{
OP_BIN_BYTE(>>);
return ;
}
void OP_shr_word()
{
OP_BIN_WORD(>>);
return ;
}
void OP_shr_dword()
{
OP_BIN_DWORD(>>);
return ;
}
/* --- ld --- */
void OP_ld_byte()
{
finsh_sp->char_value = *finsh_pc;
finsh_sp++;
finsh_pc++;
return ;
}
void OP_ld_word()
{
finsh_sp->short_value = FINSH_GET16(finsh_pc);
finsh_sp ++;
finsh_pc += 2;
return ;
}
void OP_ld_dword()
{
finsh_sp->long_value = FINSH_GET32(finsh_pc);
finsh_sp ++;
finsh_pc += 4;
return ;
}
void OP_ld_value_byte()
{
char* c;
c = (char*) (FINSH_GET32(finsh_pc));
finsh_sp->char_value = *c;
finsh_sp ++;
finsh_pc += 4;
return;
}
void OP_ld_value_byte_stack()
{
char* c;
c = (char *)(finsh_sp - 1)->long_value;
(finsh_sp - 1)->char_value = *c;
return;
}
void OP_ld_value_word()
{
short* s;
s = (short*) (FINSH_GET32(finsh_pc));
finsh_sp->short_value = *s;
finsh_sp ++;
finsh_pc += 4;
return;
}
void OP_ld_value_word_stack()
{
short* s;
s = (short *)(finsh_sp - 1)->long_value;
(finsh_sp - 1)->short_value = *s;
return;
}
void OP_ld_value_dword()
{
long* l;
l = (long*) (FINSH_GET32(finsh_pc));
finsh_sp->long_value = *l;
finsh_sp ++;
finsh_pc += 4;
return;
}
void OP_ld_value_dword_stack()
{
long* l;
l = (long *)(finsh_sp - 1)->long_value;
(finsh_sp - 1)->long_value = *l;
return;
}
/* --- st --- */
/*
* 2006-4-16 bernard
* fixed the sp move bug
*/
void OP_st_byte()
{
*(char*)((finsh_sp - 2)->long_value) = (finsh_sp - 1)->char_value;
finsh_sp --;
return ;
}
/*
* 2006-4-16 bernard
* fixed the sp move bug
*/
void OP_st_word()
{
*(short*)((finsh_sp - 2)->long_value) = (finsh_sp - 1)->short_value;
finsh_sp --;
return ;
}
/*
* 2006-4-16 bernard
* fixed the sp move bug
*/
void OP_st_dword()
{
*(long*)((finsh_sp - 2)->long_value) = (finsh_sp - 1)->long_value;
finsh_sp --;
return ;
}
/* --- pop --- */
void OP_pop()
{
finsh_sp --;
return ;
}
/* --- call --- */
void OP_call()
{
/* the max number of arg*/
unsigned long parameterv[16];
unsigned int parameters, i;
typedef unsigned long var_t;
typedef var_t (*op_func)();
op_func f;
var_t r;
parameters = *finsh_pc ++;
i = 0; finsh_sp --;
while (i < parameters)
{
parameterv[parameters - 1 - i] = finsh_sp->long_value;
finsh_sp --;
i++;
}
f = (op_func)(finsh_sp->long_value);
switch (parameters)
{
case 0:
r = f(0);
break;
case 1:
r = f(parameterv[0]);
break;
case 2:
r = f(parameterv[0], parameterv[1]);
break;
case 3:
r = f(parameterv[0], parameterv[1], parameterv[2]);
break;
case 4:
r = f(parameterv[0], parameterv[1], parameterv[2], parameterv[3]);
break;
case 5:
r = f(parameterv[0], parameterv[1], parameterv[2], parameterv[3],
parameterv[4]);
break;
case 6:
r = f(parameterv[0], parameterv[1], parameterv[2], parameterv[3],
parameterv[4], parameterv[5]);
break;
case 7:
r = f(parameterv[0], parameterv[1], parameterv[2], parameterv[3],
parameterv[4], parameterv[5], parameterv[6]);
break;
case 8:
r = f(parameterv[0], parameterv[1], parameterv[2], parameterv[3],
parameterv[4], parameterv[5], parameterv[6], parameterv[7]);
break;
case 9:
r = f(parameterv[0], parameterv[1], parameterv[2], parameterv[3],
parameterv[4], parameterv[5], parameterv[6], parameterv[7],
parameterv[8]);
break;
case 10:
r = f(parameterv[0], parameterv[1], parameterv[2], parameterv[3],
parameterv[4], parameterv[5], parameterv[6], parameterv[7],
parameterv[8], parameterv[9]);
break;
case 11:
r = f(parameterv[0], parameterv[1], parameterv[2], parameterv[3],
parameterv[4], parameterv[5], parameterv[6], parameterv[7],
parameterv[8], parameterv[9], parameterv[10]);
break;
case 12:
r = f(parameterv[0], parameterv[1], parameterv[2], parameterv[3],
parameterv[4], parameterv[5], parameterv[6], parameterv[7],
parameterv[8], parameterv[9], parameterv[10], parameterv[11]);
break;
case 13:
r = f(parameterv[0], parameterv[1], parameterv[2], parameterv[3],
parameterv[4], parameterv[5], parameterv[6], parameterv[7],
parameterv[8], parameterv[9], parameterv[10], parameterv[11],
parameterv[12]);
break;
case 14:
r = f(parameterv[0], parameterv[1], parameterv[2], parameterv[3],
parameterv[4], parameterv[5], parameterv[6], parameterv[7],
parameterv[8], parameterv[9], parameterv[10], parameterv[11],
parameterv[12], parameterv[13]);
break;
case 15:
r = f(parameterv[0], parameterv[1], parameterv[2], parameterv[3],
parameterv[4], parameterv[5], parameterv[6], parameterv[7],
parameterv[8], parameterv[9], parameterv[10], parameterv[11],
parameterv[12], parameterv[13], parameterv[14]);
break;
case 16:
r = f(parameterv[0], parameterv[1], parameterv[2], parameterv[3],
parameterv[4], parameterv[5], parameterv[6], parameterv[7],
parameterv[8], parameterv[9], parameterv[10], parameterv[11],
parameterv[12], parameterv[13], parameterv[14], parameterv[15]);
break;
default:
r = 0;
break;
}
finsh_sp->long_value = r;
finsh_sp ++;
return ;
}
const op_func op_table[] =
{
/* 00 */ OP_no_op,
/* 01 */ OP_add_byte,
/* 02 */ OP_add_word,
/* 03 */ OP_add_dword,
/* 04 */ OP_sub_byte,
/* 05 */ OP_sub_word,
/* 06 */ OP_sub_dword,
/* 07 */ OP_div_byte,
/* 08 */ OP_div_word,
/* 09 */ OP_div_dword,
/* 10 */ OP_mod_byte,
/* 11 */ OP_mod_word,
/* 12 */ OP_mod_dword,
/* 13 */ OP_mul_byte,
/* 14 */ OP_mul_word,
/* 15 */ OP_mul_dword,
/* 16 */ OP_and_byte,
/* 17 */ OP_and_word,
/* 18 */ OP_and_dword,
/* 19 */ OP_or_byte,
/* 20 */ OP_or_word,
/* 21 */ OP_or_dword,
/* 22 */ OP_xor_byte,
/* 23 */ OP_xor_word,
/* 24 */ OP_xor_dword,
/* 25 */ OP_bw_byte,
/* 26 */ OP_bw_word,
/* 27 */ OP_bw_dword,
/* 28 */ OP_shl_byte,
/* 29 */ OP_shl_word,
/* 30 */ OP_shl_dword,
/* 31 */ OP_shr_byte,
/* 32 */ OP_shr_word,
/* 33 */ OP_shr_dword,
/* 34 */ OP_ld_byte,
/* 35 */ OP_ld_word,
/* 36 */ OP_ld_dword,
/* 37 */ OP_ld_value_byte,
/* 38 */ OP_ld_value_word,
/* 39 */ OP_ld_value_dword,
/* 40 */ OP_st_byte,
/* 41 */ OP_st_word,
/* 42 */ OP_st_dword,
/* 43 */ OP_pop,
/* 44 */ OP_call,
/* 45 */ OP_ld_value_byte_stack,
/* 46 */ OP_ld_value_word_stack,
/* 47 */ OP_ld_value_dword_stack,
NULL
};
@@ -0,0 +1,135 @@
/*
* operations for finsh shell.
*
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This file is part of RT-Thread (http://www.rt-thread.org)
* Maintainer: bernard.xiong <bernard.xiong at gmail.com>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2010-03-22 Bernard first version
*/
#ifndef __FINSH_OP_H__
#define __FINSH_OP_H__
#include "finsh_vm.h"
/*
* FinC VM specification
* Memory
* .VAR
*
* .STACK
*
* .HEAP
*
* .TEXT
* OP [op1]
*/
#define FINSH_OP_NOOP 0x00
/* add @ r1 = r2 + r3 */
#define FINSH_OP_ADD_BYTE 0x01
#define FINSH_OP_ADD_WORD 0x02
#define FINSH_OP_ADD_DWORD 0x03
/* sub @ r1 = r2 - r3 */
#define FINSH_OP_SUB_BYTE 0x04
#define FINSH_OP_SUB_WORD 0x05
#define FINSH_OP_SUB_DWORD 0x06
/* div @ r1 = r2 / r3 */
#define FINSH_OP_DIV_BYTE 0x07
#define FINSH_OP_DIV_WORD 0x08
#define FINSH_OP_DIV_DWORD 0x09
/* mod @ r1 = r2 % r3 */
#define FINSH_OP_MOD_BYTE 0x0A
#define FINSH_OP_MOD_WORD 0x0B
#define FINSH_OP_MOD_DWORD 0x0C
/* mul @ r1 = r2 * r3 */
#define FINSH_OP_MUL_BYTE 0x0D
#define FINSH_OP_MUL_WORD 0x0E
#define FINSH_OP_MUL_DWORD 0x0F
/* and @ r1 = r2 & r3 */
#define FINSH_OP_AND_BYTE 0x10
#define FINSH_OP_AND_WORD 0x11
#define FINSH_OP_AND_DWORD 0x12
/* or @ r1 = r2 | r3 */
#define FINSH_OP_OR_BYTE 0x13
#define FINSH_OP_OR_WORD 0x14
#define FINSH_OP_OR_DWORD 0x15
/* xor @ r1 = r2 ^ r3 */
#define FINSH_OP_XOR_BYTE 0x16
#define FINSH_OP_XOR_WORD 0x17
#define FINSH_OP_XOR_DWORD 0x18
/* bw @ r1 = ~r2 */
#define FINSH_OP_BITWISE_BYTE 0x19
#define FINSH_OP_BITWISE_WORD 0x1A
#define FINSH_OP_BITWISE_DWORD 0x1B
/* shl @ r1 = r2 << r3 */
#define FINSH_OP_SHL_BYTE 0x1C
#define FINSH_OP_SHL_WORD 0x1D
#define FINSH_OP_SHL_DWORD 0x1E
/* shr @ r1 = r2 >> r3 */
#define FINSH_OP_SHR_BYTE 0x1F
#define FINSH_OP_SHR_WORD 0x20
#define FINSH_OP_SHR_DWORD 0x21
/* ld @ r1 = [r2] */
#define FINSH_OP_LD_BYTE 0x22
#define FINSH_OP_LD_WORD 0x23
#define FINSH_OP_LD_DWORD 0x24
#define FINSH_OP_LD_VALUE_BYTE 0x25
#define FINSH_OP_LD_VALUE_WORD 0x26
#define FINSH_OP_LD_VALUE_DWORD 0x27
/* st @ [r2] = r1 */
#define FINSH_OP_ST_BYTE 0x28
#define FINSH_OP_ST_WORD 0x29
#define FINSH_OP_ST_DWORD 0x2A
/* pop */
#define FINSH_OP_POP 0x2B
/* call r1 @ [r1](stack) */
#define FINSH_OP_SYSCALL 0x2C
/* load value from stack */
#define FINSH_OP_LD_VALUE_BYTE_STACK 0x2D
#define FINSH_OP_LD_VALUE_WORD_STACK 0x2E
#define FINSH_OP_LD_VALUE_DWORD_STACK 0x2F
/* halt */
#define FINSH_OP_HALT 0xFF
typedef void (*op_func)();
extern const op_func op_table[];
#endif
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,37 @@
/*
* script parser for finsh shell.
*
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This file is part of RT-Thread (http://www.rt-thread.org)
* Maintainer: bernard.xiong <bernard.xiong at gmail.com>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2010-03-22 Bernard first version
*/
#ifndef __FINSH_PARSER_H__
#define __FINSH_PARSER_H__
#include <finsh.h>
int finsh_parser_init(struct finsh_parser* self);
void finsh_parser_run(struct finsh_parser* self, const u_char* string);
#endif
@@ -0,0 +1,603 @@
/*
* token lex for finsh shell.
*
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This file is part of RT-Thread (http://www.rt-thread.org)
* Maintainer: bernard.xiong <bernard.xiong at gmail.com>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2010-03-22 Bernard first version
* 2013-04-03 Bernard strip more characters.
*/
#include <finsh.h>
#include <stdlib.h>
#include "finsh_token.h"
#include "finsh_error.h"
#define is_alpha(ch) ((ch | 0x20) - 'a') < 26u
#define is_digit(ch) ((ch) >= '0' && (ch) <= '9')
#define is_separator(ch) !(((ch) >= 'a' && (ch) <= 'z') \
|| ((ch) >= 'A' && (ch) <= 'Z') || ((ch) >= '0' && (ch) <= '9') || ((ch) == '_'))
#define is_eof(self) (self)->eof
struct name_table
{
char* name;
enum finsh_token_type type;
};
/* keyword */
static const struct name_table finsh_name_table[] =
{
{"void", finsh_token_type_void},
{"char", finsh_token_type_char},
{"short", finsh_token_type_short},
{"int", finsh_token_type_int},
{"long", finsh_token_type_long},
{"unsigned", finsh_token_type_unsigned},
{"NULL", finsh_token_type_value_null},
{"null", finsh_token_type_value_null}
};
static char token_next_char(struct finsh_token* self);
static void token_prev_char(struct finsh_token* self);
static long token_spec_number(char* string, int length, int b);
static void token_run(struct finsh_token* self);
static int token_match_name(struct finsh_token* self, const char* str);
static void token_proc_number(struct finsh_token* self);
static u_char* token_proc_string(struct finsh_token* self);
static void token_trim_space(struct finsh_token* self);
static char token_proc_char(struct finsh_token* self);
static int token_proc_escape(struct finsh_token* self);
void finsh_token_init(struct finsh_token* self, u_char* line)
{
memset(self, 0, sizeof(struct finsh_token));
self->line = line;
}
enum finsh_token_type finsh_token_token(struct finsh_token* self)
{
if ( self->replay ) self->replay = 0;
else token_run(self);
return (enum finsh_token_type)self->current_token;
}
void finsh_token_get_token(struct finsh_token* self, u_char* token)
{
strncpy((char*)token, (char*)self->string, FINSH_NAME_MAX);
}
int token_get_string(struct finsh_token* self, u_char* str)
{
unsigned char *p=str;
char ch;
ch = token_next_char(self);
if (is_eof(self)) return -1;
str[0] = '\0';
if ( is_digit(ch) )/*the first character of identifier is not a digit.*/
{
token_prev_char(self);
return -1;
}
while (!is_separator(ch) && !is_eof(self))
{
*p++ = ch;
ch = token_next_char(self);
}
self->eof = 0;
token_prev_char(self);
*p = '\0';
return 0;
}
/*
get next character.
*/
static char token_next_char(struct finsh_token* self)
{
if (self->eof) return '\0';
if (self->position == (int)strlen((char*)self->line) || self->line[self->position] =='\n')
{
self->eof = 1;
self->position = 0;
return '\0';
}
return self->line[self->position++];
}
static void token_prev_char(struct finsh_token* self)
{
if ( self->eof ) return;
if ( self->position == 0 ) return;
else self->position--;
}
static void token_run(struct finsh_token* self)
{
char ch;
token_trim_space(self); /* first trim space and tab. */
token_get_string(self, &(self->string[0]));
if ( is_eof(self) ) /*if it is eof, break;*/
{
self->current_token = finsh_token_type_eof;
return ;
}
if (self->string[0] != '\0') /*It is a key word or a identifier.*/
{
if ( !token_match_name(self, (char*)self->string) )
{
self->current_token = finsh_token_type_identifier;
}
}
else/*It is a operator character.*/
{
ch = token_next_char(self);
switch ( ch )
{
case '(':
self->current_token = finsh_token_type_left_paren;
break;
case ')':
self->current_token = finsh_token_type_right_paren;
break;
case ',':
self->current_token = finsh_token_type_comma;
break;
case ';':
self->current_token = finsh_token_type_semicolon;
break;
case '&':
self->current_token = finsh_token_type_and;
break;
case '*':
self->current_token = finsh_token_type_mul;
break;
case '+':
ch = token_next_char(self);
if ( ch == '+' )
{
self->current_token = finsh_token_type_inc;
}
else
{
token_prev_char(self);
self->current_token = finsh_token_type_add;
}
break;
case '-':
ch = token_next_char(self);
if ( ch == '-' )
{
self->current_token = finsh_token_type_dec;
}
else
{
token_prev_char(self);
self->current_token = finsh_token_type_sub;
}
break;
case '/':
ch = token_next_char(self);
if (ch == '/')
{
/* line comments, set to end of file */
self->current_token = finsh_token_type_eof;
}
else
{
token_prev_char(self);
self->current_token = finsh_token_type_div;
}
break;
case '<':
ch = token_next_char(self);
if ( ch == '<' )
{
self->current_token = finsh_token_type_shl;
}
else
{
token_prev_char(self);
self->current_token = finsh_token_type_bad;
}
break;
case '>':
ch = token_next_char(self);
if ( ch == '>' )
{
self->current_token = finsh_token_type_shr;
}
else
{
token_prev_char(self);
self->current_token = finsh_token_type_bad;
}
break;
case '|':
self->current_token = finsh_token_type_or;
break;
case '%':
self->current_token = finsh_token_type_mod;
break;
case '~':
self->current_token = finsh_token_type_bitwise;
break;
case '^':
self->current_token = finsh_token_type_xor;
break;
case '=':
self->current_token = finsh_token_type_assign;
break;
case '\'':
self->value.char_value = token_proc_char(self);
self->current_token = finsh_token_type_value_char;
break;
case '"':
token_proc_string(self);
self->current_token = finsh_token_type_value_string;
break;
default:
if ( is_digit(ch) )
{
token_prev_char(self);
token_proc_number(self);
break;
}
finsh_error_set(FINSH_ERROR_UNKNOWN_TOKEN);
self->current_token = finsh_token_type_bad;
break;
}
}
}
static int token_match_name(struct finsh_token* self, const char* str)
{
int i;
for (i = 0; i < sizeof(finsh_name_table)/sizeof(struct name_table); i++)
{
if ( strcmp(finsh_name_table[i].name, str)==0 )
{
self->current_token = finsh_name_table[i].type;
return 1;
}
}
return 0;
}
static void token_trim_space(struct finsh_token* self)
{
char ch;
while ( (ch = token_next_char(self)) ==' ' ||
ch == '\t' ||
ch == '\r');
token_prev_char(self);
}
static char token_proc_char(struct finsh_token* self)
{
char ch;
char buf[4], *p;
p = buf;
ch = token_next_char(self);
if ( ch == '\\' )
{
ch = token_next_char(self);
switch ( ch )
{
case 'n': ch = '\n'; break;
case 't': ch = '\t'; break;
case 'v': ch = '\v'; break;
case 'b': ch = '\b'; break;
case 'r': ch = '\r'; break;
case '\\': ch = '\\'; break;
case '\'': ch = '\''; break;
default :
while ( is_digit(ch) )/*for '\113' char*/
{
ch = token_next_char(self);
*p++ = ch;
}
token_prev_char(self);
*p = '\0';
ch = atoi(p);
break;
}
}
if ( token_next_char(self) != '\'' )
{
token_prev_char(self);
finsh_error_set(FINSH_ERROR_EXPECT_CHAR);
return ch;
}
return ch;
}
static u_char* token_proc_string(struct finsh_token* self)
{
u_char* p;
for ( p = &self->string[0]; p - &(self->string[0]) < FINSH_STRING_MAX; )
{
char ch = token_next_char(self);
if ( is_eof(self) )
{
finsh_error_set(FINSH_ERROR_UNEXPECT_END);
return NULL;;
}
if ( ch == '\\' )
{
ch = token_proc_escape(self);
}
else if ( ch == '"' )/*end of string.*/
{
*p = '\0';
return self->string;
}
*p++ = ch;
}
return NULL;
}
static int token_proc_escape(struct finsh_token* self)
{
char ch;
int result=0;
ch = token_next_char(self);
switch (ch)
{
case 'n':
result = '\n';
break;
case 't':
result = '\t';
break;
case 'v':
result = '\v';
break;
case 'b':
result = '\b';
break;
case 'r':
result = '\r';
break;
case 'f':
result = '\f';
break;
case 'a':
result = '\007';
break;
case 'x':
result = 0;
ch = token_next_char(self);
while ( (ch - '0')<16u )
{
result = result*16 + ch - '0';
ch = token_next_char(self);
}
token_prev_char(self);
break;
default:
if ( (ch - '0') < 8u)
{
result = 0;
while ( (ch - '0') < 8u )
{
result = result*8 + ch - '0';
ch = token_next_char(self);
}
token_prev_char(self);
}
break;
}
return result;
}
/*
(0|0x|0X|0b|0B)number+(l|L)
*/
static void token_proc_number(struct finsh_token* self)
{
char ch;
char *p, buf[128];
long value;
value = 0;
p = buf;
ch = token_next_char(self);
if ( ch == '0' )
{
int b;
ch = token_next_char(self);
if ( ch == 'x' || ch == 'X' )/*it's a hex number*/
{
b = 16;
ch = token_next_char(self);
while ( is_digit(ch) || is_alpha(ch) )
{
*p++ = ch;
ch = token_next_char(self);
}
*p = '\0';
}
else if ( ch == 'b' || ch == 'B' )
{
b = 2;
ch = token_next_char(self);
while ( (ch=='0')||(ch=='1') )
{
*p++ = ch;
ch = token_next_char(self);
}
*p = '\0';
}
else
{
b = 8;
while ( is_digit(ch) )
{
*p++ = ch;
ch = token_next_char(self);
}
*p = '\0';
}
self->value.int_value = token_spec_number(buf, strlen(buf), b);
self->current_token = finsh_token_type_value_int;
}
else
{
while ( is_digit(ch) )
{
value = value*10 + ( ch - '0' );
ch = token_next_char(self);
}
self->value.int_value = value;
self->current_token = finsh_token_type_value_int;
}
switch ( ch )
{
case 'l':
case 'L':
self->current_token = finsh_token_type_value_long;
break;
default:
token_prev_char(self);
break;
}
}
/*use 64 bit number*/
#define BN_SIZE 2
static long token_spec_number(char* string, int length, int b)
{
char* p;
int t;
int i, j, shift=1;
unsigned int bn[BN_SIZE], v;
long d;
p = string;
i = 0;
switch ( b )
{
case 16: shift = 4;
break;
case 8: shift = 3;
break;
case 2: shift = 1;
break;
default: break;
}
for ( j=0; j<BN_SIZE ; j++) bn[j] = 0;
while ( i<length )
{
t = *p++;
if ( t>='a' && t <='f' )
{
t = t - 'a' +10;
}
else if ( t >='A' && t <='F' )
{
t = t - 'A' +10;
}
else t = t - '0';
for ( j=0; j<BN_SIZE ; j++)
{
v = bn[j];
bn[j] = (v<<shift) | t;
t = v >> (32 - shift);
}
i++;
}
d = (long)bn[0];
return d;
}
@@ -0,0 +1,82 @@
/*
* token lex for finsh shell.
*
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This file is part of RT-Thread (http://www.rt-thread.org)
* Maintainer: bernard.xiong <bernard.xiong at gmail.com>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2010-03-22 Bernard first version
*/
#ifndef __FINSH_TOKEN_H__
#define __FINSH_TOKEN_H__
#include <finsh.h>
enum finsh_token_type
{
finsh_token_type_left_paren = 1, /* ( */
finsh_token_type_right_paren , /* ) */
finsh_token_type_comma , /* , */
finsh_token_type_semicolon , /* ; */
finsh_token_type_mul , /* * */
finsh_token_type_add , /* + */
finsh_token_type_inc , /* ++ */
finsh_token_type_sub , /* - */
finsh_token_type_dec , /* -- */
finsh_token_type_div , /* / */
finsh_token_type_mod , /* % */
finsh_token_type_assign , /* = */
finsh_token_type_and, /* & */
finsh_token_type_or, /* | */
finsh_token_type_xor, /* ^ */
finsh_token_type_bitwise, /* ~ */
finsh_token_type_shl, /* << */
finsh_token_type_shr, /* >> */
finsh_token_type_comments, /* // */
/*-- data type --*/
finsh_token_type_void, /* void */
finsh_token_type_char, /* char */
finsh_token_type_short, /* short */
finsh_token_type_int, /* int */
finsh_token_type_long, /* long */
finsh_token_type_unsigned, /* unsigned */
/* data value type */
finsh_token_type_value_char, /* v:char */
finsh_token_type_value_int, /* v:int */
finsh_token_type_value_long, /* v:long */
finsh_token_type_value_string, /* v:string */
finsh_token_type_value_null, /* NULL */
/*-- others --*/
finsh_token_type_identifier, /* ID */
finsh_token_type_bad, /* bad token */
finsh_token_type_eof
};
#define finsh_token_position(self) (self)->position
#define finsh_token_replay(self) (self)->replay = 1
void finsh_token_init(struct finsh_token* self, u_char* script);
enum finsh_token_type finsh_token_token(struct finsh_token* self);
void finsh_token_get_token(struct finsh_token* self, u_char* token);
#endif
@@ -0,0 +1,161 @@
/*
* Variable implementation in finsh shell.
*
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This file is part of RT-Thread (http://www.rt-thread.org)
* Maintainer: bernard.xiong <bernard.xiong at gmail.com>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2010-03-22 Bernard first version
* 2012-04-27 Bernard fixed finsh_var_delete issue which
* is found by Grissiom.
*/
#include <finsh.h>
#include "finsh_var.h"
struct finsh_var global_variable[FINSH_VARIABLE_MAX];
struct finsh_sysvar_item* global_sysvar_list;
int finsh_var_init()
{
memset(global_variable, 0, sizeof(global_variable));
return 0;
}
int finsh_var_insert(const char* name, int type)
{
int i, empty;
empty = -1;
for (i = 0; i < FINSH_VARIABLE_MAX; i ++)
{
/* there is a same name variable exist. */
if (strncmp(global_variable[i].name, name, FINSH_NAME_MAX) == 0)
return -1;
if (global_variable[i].type == finsh_type_unknown && empty == -1)
{
empty = i;
}
}
/* there is no empty entry */
if (empty == -1) return -1;
/* insert entry */
strncpy(global_variable[empty].name, name, FINSH_NAME_MAX);
global_variable[empty].type = type;
/* return the offset */
return empty;
}
int finsh_var_delete(const char* name)
{
int i;
for (i = 0; i < FINSH_VARIABLE_MAX; i ++)
{
if (strncmp(global_variable[i].name, name, FINSH_NAME_MAX) == 0)
break;
}
/* can't find variable */
if (i == FINSH_VARIABLE_MAX) return -1;
memset(&global_variable[i], 0, sizeof(struct finsh_var));
return 0;
}
struct finsh_var* finsh_var_lookup(const char* name)
{
int i;
for (i = 0; i < FINSH_VARIABLE_MAX; i ++)
{
if (strncmp(global_variable[i].name, name, FINSH_NAME_MAX) == 0)
break;
}
/* can't find variable */
if (i == FINSH_VARIABLE_MAX) return NULL;
return &global_variable[i];
}
#ifdef RT_USING_HEAP
void finsh_sysvar_append(const char* name, u_char type, void* var_addr)
{
/* create a sysvar */
struct finsh_sysvar_item* item;
item = (struct finsh_sysvar_item*) rt_malloc (sizeof(struct finsh_sysvar_item));
if (item != NULL)
{
item->next = NULL;
item->sysvar.name = rt_strdup(name);
item->sysvar.type = type;
item->sysvar.var = var_addr;
if (global_sysvar_list == NULL)
{
global_sysvar_list = item;
}
else
{
item->next = global_sysvar_list;
global_sysvar_list = item;
}
}
}
#endif
struct finsh_sysvar* finsh_sysvar_lookup(const char* name)
{
struct finsh_sysvar* index;
struct finsh_sysvar_item* item;
for (index = _sysvar_table_begin;
index < _sysvar_table_end;
FINSH_NEXT_SYSVAR(index))
{
if (strcmp(index->name, name) == 0)
return index;
}
/* find in sysvar list */
item = global_sysvar_list;
while (item != NULL)
{
if (strncmp(item->sysvar.name, name, strlen(name)) == 0)
{
return &(item->sysvar);
}
/* move to next item */
item = item->next;
}
/* can't find variable */
return NULL;
}
@@ -0,0 +1,60 @@
/*
* Variable implementation in finsh shell.
*
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This file is part of RT-Thread (http://www.rt-thread.org)
* Maintainer: bernard.xiong <bernard.xiong at gmail.com>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2010-03-22 Bernard first version
*/
#ifndef __FINSH_VAR_H__
#define __FINSH_VAR_H__
#include <finsh.h>
/*
* The variable in finsh is put in data segment as a global variable.
* The 'finsh_var' structure presents the structure of variable in data segment.
*/
struct finsh_var
{
char name[FINSH_NAME_MAX + 1]; /* the name of variable */
u_char type; /* the type of variable */
/* variable value */
union {
char char_value;
short short_value;
int int_value;
long long_value;
void* ptr;
}value;
};
extern struct finsh_var global_variable[];
int finsh_var_init(void);
int finsh_var_insert(const char* name, int type);
int finsh_var_delete(const char* name);
struct finsh_var* finsh_var_lookup(const char* name);
#endif
@@ -0,0 +1,404 @@
/*
* Virtual machine of finsh shell.
*
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This file is part of RT-Thread (http://www.rt-thread.org)
* Maintainer: bernard.xiong <bernard.xiong at gmail.com>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2010-03-22 Bernard first version
*/
#include <finsh.h>
#include "finsh_vm.h"
#include "finsh_ops.h"
#include "finsh_var.h"
/* stack */
union finsh_value finsh_vm_stack[FINSH_STACK_MAX];
/* text segment */
u_char text_segment[FINSH_TEXT_MAX];
union finsh_value* finsh_sp; /* stack pointer */
u_char* finsh_pc; /* PC */
/* syscall list, for dynamic system call register */
struct finsh_syscall_item* global_syscall_list = NULL;
// #define FINSH_VM_DISASSEMBLE
void finsh_vm_run()
{
u_char op;
/* if you want to disassemble the byte code, please define FINSH_VM_DISASSEMBLE */
#ifdef FINSH_VM_DISASSEMBLE
void finsh_disassemble();
finsh_disassemble();
#endif
/* set sp(stack pointer) to the beginning of stack */
finsh_sp = &finsh_vm_stack[0];
/* set pc to the beginning of text segment */
finsh_pc = &text_segment[0];
while ((finsh_pc - &text_segment[0] >= 0) &&
(finsh_pc - &text_segment[0] < FINSH_TEXT_MAX))
{
/* get op */
op = *finsh_pc++;
/* call op function */
op_table[op]();
}
}
#ifdef RT_USING_HEAP
void finsh_syscall_append(const char* name, syscall_func func)
{
/* create the syscall */
struct finsh_syscall_item* item;
item = (struct finsh_syscall_item*)rt_malloc(sizeof(struct finsh_syscall_item));
if (item != RT_NULL)
{
item->next = NULL;
item->syscall.name = rt_strdup(name);
item->syscall.func = func;
if (global_syscall_list == NULL)
{
global_syscall_list = item;
}
else
{
item->next = global_syscall_list;
global_syscall_list = item;
}
}
}
#endif
#if defined(_MSC_VER) || (defined(__GNUC__) && defined(__x86_64__))
struct finsh_syscall* finsh_syscall_next(struct finsh_syscall* call)
{
unsigned int *ptr;
ptr = (unsigned int*) (call + 1);
while ((*ptr == 0) && ((unsigned int*)ptr < (unsigned int*) _syscall_table_end))
ptr ++;
return (struct finsh_syscall*)ptr;
}
struct finsh_sysvar* finsh_sysvar_next(struct finsh_sysvar* call)
{
unsigned int *ptr;
ptr = (unsigned int*) (call + 1);
while ((*ptr == 0) && ((unsigned int*)ptr < (unsigned int*) _sysvar_table_end))
ptr ++;
return (struct finsh_sysvar*)ptr;
}
#endif
struct finsh_syscall* finsh_syscall_lookup(const char* name)
{
struct finsh_syscall* index;
struct finsh_syscall_item* item;
for (index = _syscall_table_begin; index < _syscall_table_end; FINSH_NEXT_SYSCALL(index))
{
if (strcmp(index->name, name) == 0)
return index;
}
/* find on syscall list */
item = global_syscall_list;
while (item != NULL)
{
if (strncmp(item->syscall.name, name, strlen(name)) == 0)
{
return &(item->syscall);
}
item = item->next;
}
return NULL;
}
#ifdef FINSH_VM_DISASSEMBLE
void finsh_disassemble()
{
u_char *pc, op;
pc = &text_segment[0];
while (*pc != 0)
{
op = *pc;
switch (op)
{
case FINSH_OP_ADD_BYTE:
pc ++;
rt_kprintf("addb\n");
break;
case FINSH_OP_SUB_BYTE:
pc ++;
rt_kprintf("subb\n");
break;
case FINSH_OP_DIV_BYTE:
pc ++;
rt_kprintf("divb\n");
break;
case FINSH_OP_MOD_BYTE:
pc ++;
rt_kprintf("modb\n");
break;
case FINSH_OP_MUL_BYTE:
pc ++;
rt_kprintf("mulb\n");
break;
case FINSH_OP_AND_BYTE:
pc ++;
rt_kprintf("andb\n");
break;
case FINSH_OP_OR_BYTE:
pc ++;
rt_kprintf("orb\n");
break;
case FINSH_OP_XOR_BYTE:
pc ++;
rt_kprintf("xorb\n");
break;
case FINSH_OP_BITWISE_BYTE:
pc ++;
rt_kprintf("bwb\n");
break;
case FINSH_OP_SHL_BYTE:
pc ++;
rt_kprintf("shlb\n");
break;
case FINSH_OP_SHR_BYTE:
pc ++;
rt_kprintf("shrb\n");
break;
case FINSH_OP_LD_BYTE:
pc ++;
rt_kprintf("ldb %d\n", *pc++);
break;
case FINSH_OP_LD_VALUE_BYTE:
pc ++;
rt_kprintf("ldb [0x%x]\n", FINSH_GET32(pc));
pc += 4;
break;
case FINSH_OP_ST_BYTE:
pc ++;
rt_kprintf("stb\n");
break;
case FINSH_OP_ADD_WORD:
pc ++;
rt_kprintf("addw\n");
break;
case FINSH_OP_SUB_WORD:
pc ++;
rt_kprintf("subw\n");
break;
case FINSH_OP_DIV_WORD:
pc ++;
rt_kprintf("divw\n");
break;
case FINSH_OP_MOD_WORD:
pc ++;
rt_kprintf("modw\n");
break;
case FINSH_OP_MUL_WORD:
pc ++;
rt_kprintf("mulw\n");
break;
case FINSH_OP_AND_WORD:
pc ++;
rt_kprintf("andw\n");
break;
case FINSH_OP_OR_WORD:
pc ++;
rt_kprintf("orw\n");
break;
case FINSH_OP_XOR_WORD:
pc ++;
rt_kprintf("xorw\n");
break;
case FINSH_OP_BITWISE_WORD:
pc ++;
rt_kprintf("bww\n");
break;
case FINSH_OP_SHL_WORD:
pc ++;
rt_kprintf("shlw\n");
break;
case FINSH_OP_SHR_WORD:
pc ++;
rt_kprintf("shrw\n");
break;
case FINSH_OP_LD_WORD:
pc ++;
rt_kprintf("ldw %d\n", FINSH_GET16(pc));
pc += 2;
break;
case FINSH_OP_LD_VALUE_WORD:
pc ++;
rt_kprintf("ldw [0x%x]\n", FINSH_GET32(pc));
pc += 4;
break;
case FINSH_OP_ST_WORD:
pc ++;
rt_kprintf("stw\n");
break;
case FINSH_OP_ADD_DWORD:
pc ++;
rt_kprintf("addd\n");
break;
case FINSH_OP_SUB_DWORD:
pc ++;
rt_kprintf("subd\n");
break;
case FINSH_OP_DIV_DWORD:
pc ++;
rt_kprintf("divd\n");
break;
case FINSH_OP_MOD_DWORD:
pc ++;
rt_kprintf("modd\n");
break;
case FINSH_OP_MUL_DWORD:
pc ++;
rt_kprintf("muld\n");
break;
case FINSH_OP_AND_DWORD:
pc ++;
rt_kprintf("andd\n");
break;
case FINSH_OP_OR_DWORD:
pc ++;
rt_kprintf("ord\n");
break;
case FINSH_OP_XOR_DWORD:
pc ++;
rt_kprintf("xord\n");
break;
case FINSH_OP_BITWISE_DWORD:
pc ++;
rt_kprintf("bwd\n");
break;
case FINSH_OP_SHL_DWORD:
pc ++;
rt_kprintf("shld\n");
break;
case FINSH_OP_SHR_DWORD:
pc ++;
rt_kprintf("shrd\n");
break;
case FINSH_OP_LD_DWORD:
pc ++;
rt_kprintf("ldd 0x%x\n", FINSH_GET32(pc));
pc += 4;
break;
case FINSH_OP_LD_VALUE_DWORD:
pc ++;
rt_kprintf("ldd [0x%x]\n", FINSH_GET32(pc));
pc += 4;
break;
case FINSH_OP_ST_DWORD:
pc ++;
rt_kprintf("std\n");
break;
case FINSH_OP_POP:
rt_kprintf("pop\n");
pc ++;
break;
case FINSH_OP_SYSCALL:
pc ++;
rt_kprintf("syscall %d\n", *pc++);
break;
case FINSH_OP_LD_VALUE_BYTE_STACK:
pc ++;
rt_kprintf("ldb [sp]\n");
break;
case FINSH_OP_LD_VALUE_WORD_STACK:
pc ++;
rt_kprintf("ldw [sp]\n");
break;
case FINSH_OP_LD_VALUE_DWORD_STACK:
pc ++;
rt_kprintf("ldd [sp]\n");
break;
default:
return;
}
}
}
#endif
@@ -0,0 +1,54 @@
/*
* Virtual machine finsh shell.
*
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This file is part of RT-Thread (http://www.rt-thread.org)
* Maintainer: bernard.xiong <bernard.xiong at gmail.com>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2010-03-22 Bernard first version
*/
#ifndef __FINSH_VM_H__
#define __FINSH_VM_H__
#include <finsh.h>
#include "finsh_var.h"
union finsh_value {
char char_value;
short short_value;
long long_value;
void* ptr;
};
extern union finsh_value* finsh_sp; /* stack pointer */
extern u_char* finsh_pc; /* PC */
/* stack */
extern union finsh_value finsh_vm_stack[FINSH_STACK_MAX];
/* text segment */
extern u_char text_segment[FINSH_TEXT_MAX];
void finsh_vm_run(void);
//void finsh_disassemble(void);
#endif
@@ -0,0 +1,547 @@
/*
* RT-Thread module shell implementation.
*
* COPYRIGHT (C) 2013, Shanghai Real-Thread Technology Co., Ltd
*
* This file is part of RT-Thread (http://www.rt-thread.org)
* Maintainer: bernard.xiong <bernard.xiong at gmail.com>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2013-03-30 Bernard the first verion for finsh
* 2014-01-03 Bernard msh can execute module.
*/
#include "msh.h"
#include <finsh.h>
#include <shell.h>
#ifdef RT_USING_DFS
#include <dfs_posix.h>
#endif
#define RT_FINSH_ARG_MAX 10
typedef int (*cmd_function_t)(int argc, char** argv);
#ifdef FINSH_USING_MSH
#ifdef FINSH_USING_MSH_ONLY
rt_bool_t msh_is_used(void)
{
return RT_TRUE;
}
#else
#ifdef FINSH_USING_MSH_DEFAULT
static rt_bool_t __msh_state = RT_TRUE;
#else
static rt_bool_t __msh_state = RT_FALSE;
#endif
rt_bool_t msh_is_used(void)
{
return __msh_state;
}
static int msh_exit(int argc, char** argv)
{
/* return to finsh shell mode */
__msh_state = RT_FALSE;
return 0;
}
FINSH_FUNCTION_EXPORT_ALIAS(msh_exit, __cmd_exit, return to RT-Thread shell mode.);
static int msh_enter(void)
{
/* enter module shell mode */
__msh_state = RT_TRUE;
return 0;
}
FINSH_FUNCTION_EXPORT_ALIAS(msh_enter, msh, use module shell);
#endif
int msh_help(int argc, char** argv)
{
rt_kprintf("RT-Thread shell commands:\n");
{
struct finsh_syscall *index;
for (index = _syscall_table_begin;
index < _syscall_table_end;
FINSH_NEXT_SYSCALL(index))
{
if (strncmp(index->name, "__cmd_", 6) != 0) continue;
#if defined(FINSH_USING_DESCRIPTION) && defined(FINSH_USING_SYMTAB)
rt_kprintf("%-16s - %s\n", &index->name[6], index->desc);
#else
rt_kprintf("%s ", &index->name[6]);
#endif
}
}
rt_kprintf("\n");
return 0;
}
FINSH_FUNCTION_EXPORT_ALIAS(msh_help, __cmd_help, RT-Thread shell help.);
static int msh_split(char* cmd, rt_size_t length, char* argv[RT_FINSH_ARG_MAX])
{
char *ptr;
rt_size_t position;
rt_size_t argc;
ptr = cmd;
position = 0; argc = 0;
while (position < length)
{
/* strip bank and tab */
while ((*ptr == ' ' || *ptr == '\t') && position < length)
{
*ptr = '\0';
ptr ++; position ++;
}
if (position >= length) break;
/* handle string */
if (*ptr == '"')
{
ptr ++; position ++;
argv[argc] = ptr; argc ++;
/* skip this string */
while (*ptr != '"' && position < length)
{
if (*ptr == '\\')
{
if (*(ptr + 1) == '"')
{
ptr ++; position ++;
}
}
ptr ++; position ++;
}
if (position >= length) break;
/* skip '"' */
*ptr = '\0'; ptr ++; position ++;
}
else
{
argv[argc] = ptr;
argc ++;
while ((*ptr != ' ' && *ptr != '\t') && position < length)
{
ptr ++; position ++;
}
if (position >= length) break;
}
}
return argc;
}
static cmd_function_t msh_get_cmd(char *cmd, int size)
{
struct finsh_syscall *index;
cmd_function_t cmd_func = RT_NULL;
for (index = _syscall_table_begin;
index < _syscall_table_end;
FINSH_NEXT_SYSCALL(index))
{
if (strncmp(index->name, "__cmd_", 6) != 0) continue;
if (strncmp(&index->name[6], cmd, size) == 0 &&
index->name[6 + size] == '\0')
{
cmd_func = (cmd_function_t)index->func;
break;
}
}
return cmd_func;
}
#if defined(RT_USING_MODULE) && defined(RT_USING_DFS)
/* Return 0 on module executed. Other value indicate error.
*/
int msh_exec_module(const char* cmd_line, int size)
{
int ret;
int fd = -1;
char *pg_name;
int length, cmd_length = 0;
if (size == 0)
return -RT_ERROR;
/* get the length of command0 */
while ((cmd_line[cmd_length] != ' ' && cmd_line[cmd_length] != '\t') && cmd_length < size)
cmd_length ++;
/* get name length */
length = cmd_length + 32;
/* allocate program name memory */
pg_name = (char*) rt_malloc(length);
if (pg_name == RT_NULL)
return -RT_ENOMEM;
/* copy command0 */
memcpy(pg_name, cmd_line, cmd_length);
pg_name[cmd_length] = '\0';
if (strstr(pg_name, ".mo") != RT_NULL || strstr(pg_name, ".MO") != RT_NULL)
{
/* try to open program */
fd = open(pg_name, O_RDONLY, 0);
/* search in /bin path */
if (fd < 0)
{
rt_snprintf(pg_name, length - 1, "/bin/%.*s", cmd_length, cmd_line);
fd = open(pg_name, O_RDONLY, 0);
}
}
else
{
/* add .mo and open program */
/* try to open program */
strcat(pg_name, ".mo");
fd = open(pg_name, O_RDONLY, 0);
/* search in /bin path */
if (fd < 0)
{
rt_snprintf(pg_name, length - 1, "/bin/%.*s.mo", cmd_length, cmd_line);
fd = open(pg_name, O_RDONLY, 0);
}
}
if (fd >= 0)
{
/* found program */
close(fd);
rt_module_exec_cmd(pg_name, cmd_line, size);
ret = 0;
}
else
{
ret = -1;
}
rt_free(pg_name);
return ret;
}
int system(const char *command)
{
return msh_exec_module(command, rt_strlen(command));
}
#endif
static int _msh_exec_cmd(char* cmd, rt_size_t length, int *retp)
{
int argc;
int cmd0_size = 0;
cmd_function_t cmd_func;
char *argv[RT_FINSH_ARG_MAX];
RT_ASSERT(cmd);
RT_ASSERT(retp);
/* find the size of first command */
while ((cmd[cmd0_size] != ' ' && cmd[cmd0_size] != '\t') && cmd0_size < length)
cmd0_size ++;
if (cmd0_size == 0)
return -RT_ERROR;
cmd_func = msh_get_cmd(cmd, cmd0_size);
if (cmd_func == RT_NULL)
return -RT_ERROR;
/* split arguments */
memset(argv, 0x00, sizeof(argv));
argc = msh_split(cmd, length, argv);
if (argc == 0)
return -RT_ERROR;
/* exec this command */
*retp = cmd_func(argc, argv);
return 0;
}
int msh_exec(char* cmd, rt_size_t length)
{
int cmd_ret;
/* strim the beginning of command */
while(*cmd == ' ' || *cmd == '\t')
{
cmd++;
length--;
}
if (length == 0)
return 0;
/* Exec sequence:
* 1. built-in command
* 2. module(if enabled)
* 3. chdir to the directry(if possible)
*/
if (_msh_exec_cmd(cmd, length, &cmd_ret) == 0)
{
return cmd_ret;
}
#ifdef RT_USING_MODULE
if (msh_exec_module(cmd, length) == 0)
{
return 0;
}
#endif
#ifdef DFS_USING_WORKDIR
if (chdir(cmd) == 0)
{
return 0;
}
#endif
/* truncate the cmd at the first space. */
{
char *tcmd;
tcmd = cmd;
while(*tcmd != ' ' && *tcmd != '\0')
{
tcmd++;
}
*tcmd = '\0';
}
rt_kprintf("%s: command not found.\n", cmd);
return -1;
}
static int str_common(const char *str1, const char *str2)
{
const char *str = str1;
while ((*str != 0) && (*str2 != 0) && (*str == *str2))
{
str ++;
str2 ++;
}
return (str - str1);
}
#ifdef RT_USING_DFS
void msh_auto_complete_path(char *path)
{
DIR* dir = RT_NULL;
struct dirent *dirent = RT_NULL;
char *full_path, *ptr, *index;
full_path = (char*)rt_malloc(256);
if (full_path == RT_NULL) return; /* out of memory */
ptr = full_path;
if (*path != '/')
{
getcwd(full_path, 256);
if (full_path[rt_strlen(full_path) - 1] != '/')
strcat(full_path, "/");
}
else *full_path = '\0';
index = RT_NULL; ptr = path;
for (;;)
{
if (*ptr == '/') index = ptr + 1; if (!*ptr) break; ptr ++;
}
if (index == RT_NULL) index = path;
if (index != RT_NULL)
{
char *dest = index;
/* fill the parent path */
ptr = full_path;
while (*ptr) ptr ++;
for (index = path; index != dest;)
*ptr++ = *index++;
*ptr = '\0';
dir = opendir(full_path);
if (dir == RT_NULL) /* open directory failed! */
{
rt_free(full_path);
return;
}
/* restore the index position */
index = dest;
}
/* auto complete the file or directory name */
if (*index == '\0') /* display all of files and directories */
{
for (;;)
{
dirent = readdir(dir);
if (dirent == RT_NULL) break;
rt_kprintf("%s\n", dirent->d_name);
}
}
else
{
int length, min_length;
min_length = 0;
for (;;)
{
dirent = readdir(dir);
if (dirent == RT_NULL) break;
/* matched the prefix string */
if (strncmp(index, dirent->d_name, rt_strlen(index)) == 0)
{
if (min_length == 0)
{
min_length = rt_strlen(dirent->d_name);
/* save dirent name */
strcpy(full_path, dirent->d_name);
}
length = str_common(dirent->d_name, full_path);
if (length < min_length)
{
min_length = length;
}
}
}
if (min_length)
{
if (min_length < rt_strlen(full_path))
{
/* list the candidate */
rewinddir(dir);
for (;;)
{
dirent = readdir(dir);
if (dirent == RT_NULL) break;
if (strncmp(index, dirent->d_name, rt_strlen(index)) == 0)
rt_kprintf("%s\n", dirent->d_name);
}
}
length = index - path;
memcpy(index, full_path, min_length);
path[length + min_length] = '\0';
}
}
closedir(dir);
rt_free(full_path);
}
#endif
void msh_auto_complete(char *prefix)
{
int length, min_length;
const char *name_ptr, *cmd_name;
struct finsh_syscall *index;
min_length = 0;
name_ptr = RT_NULL;
if (*prefix == '\0')
{
msh_help(0, RT_NULL);
return;
}
#ifdef RT_USING_DFS
/* check whether a spare in the command */
{
char *ptr;
ptr = prefix + rt_strlen(prefix);
while (ptr != prefix)
{
if (*ptr == ' ')
{
msh_auto_complete_path(ptr + 1);
break;
}
ptr --;
}
#ifdef RT_USING_MODULE
/* There is a chance that the user want to run the module directly. So
* try to complete the file names. If the completed path is not a
* module, the system won't crash anyway. */
if (ptr == prefix)
{
msh_auto_complete_path(ptr);
}
#endif
}
#endif
/* checks in internal command */
{
for (index = _syscall_table_begin; index < _syscall_table_end; FINSH_NEXT_SYSCALL(index))
{
/* skip finsh shell function */
if (strncmp(index->name, "__cmd_", 6) != 0) continue;
cmd_name = (const char*) &index->name[6];
if (strncmp(prefix, cmd_name, strlen(prefix)) == 0)
{
if (min_length == 0)
{
/* set name_ptr */
name_ptr = cmd_name;
/* set initial length */
min_length = strlen(name_ptr);
}
length = str_common(name_ptr, cmd_name);
if (length < min_length)
min_length = length;
rt_kprintf("%s\n", cmd_name);
}
}
}
/* auto complete string */
if (name_ptr != NULL)
{
rt_strncpy(prefix, name_ptr, min_length);
}
return ;
}
#endif
@@ -0,0 +1,39 @@
/*
* RT-Thread module shell implementation.
*
* COPYRIGHT (C) 2013, Shanghai Real-Thread Technology Co., Ltd
*
* This file is part of RT-Thread (http://www.rt-thread.org)
* Maintainer: bernard.xiong <bernard.xiong at gmail.com>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2013-03-30 Bernard the first verion for FinSH
*/
#ifndef __M_SHELL__
#define __M_SHELL__
#include <rtthread.h>
rt_bool_t msh_is_used(void);
int msh_exec(char* cmd, rt_size_t length);
void msh_auto_complete(char *prefix);
#endif
@@ -0,0 +1,219 @@
/*
* internal commands for RT-Thread module shell
*
* COPYRIGHT (C) 2013, Shanghai Real-Thread Technology Co., Ltd
*
* This file is part of RT-Thread (http://www.rt-thread.org)
* Maintainer: bernard.xiong <bernard.xiong at gmail.com>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2013-03-30 Bernard the first verion for FinSH
*/
#include <rtthread.h>
#include <finsh.h>
#include "msh.h"
#ifdef FINSH_USING_MSH
#ifdef RT_USING_DFS
#include <dfs_posix.h>
#ifdef DFS_USING_WORKDIR
extern char working_directory[];
#endif
int cmd_ls(int argc, char** argv)
{
extern void ls(const char *pathname);
if (argc == 1)
{
#ifdef DFS_USING_WORKDIR
ls(working_directory);
#else
ls("/");
#endif
}
else
{
ls(argv[1]);
}
return 0;
}
FINSH_FUNCTION_EXPORT_ALIAS(cmd_ls, __cmd_ls, List information about the FILEs.);
int cmd_cp(int argc, char** argv)
{
void copy(const char *src, const char *dst);
if (argc != 3)
{
rt_kprintf("Usage: cp SOURCE DEST\n");
rt_kprintf("Copy SOURCE to DEST.\n");
}
else
{
copy(argv[1], argv[2]);
}
return 0;
}
FINSH_FUNCTION_EXPORT_ALIAS(cmd_cp, __cmd_cp, Copy SOURCE to DEST.);
int cmd_mv(int argc, char** argv)
{
if (argc != 3)
{
rt_kprintf("Usage: mv SOURCE DEST\n");
rt_kprintf("Rename SOURCE to DEST, or move SOURCE(s) to DIRECTORY.\n");
}
else
{
rt_kprintf("%s => %s\n", argv[1], argv[2]);
rename(argv[1], argv[2]);
}
return 0;
}
FINSH_FUNCTION_EXPORT_ALIAS(cmd_mv, __cmd_mv, Rename SOURCE to DEST.);
int cmd_cat(int argc, char** argv)
{
int index;
extern void cat(const char* filename);
if (argc == 1)
{
rt_kprintf("Usage: cat [FILE]...\n");
rt_kprintf("Concatenate FILE(s)\n");
return 0;
}
for (index = 1; index < argc; index ++)
{
cat(argv[index]);
}
return 0;
}
FINSH_FUNCTION_EXPORT_ALIAS(cmd_cat, __cmd_cat, Concatenate FILE(s));
int cmd_rm(int argc, char** argv)
{
int index;
if (argc == 1)
{
rt_kprintf("Usage: rm FILE...\n");
rt_kprintf("Remove (unlink) the FILE(s).\n");
return 0;
}
for (index = 1; index < argc; index ++)
{
unlink(argv[index]);
}
return 0;
}
FINSH_FUNCTION_EXPORT_ALIAS(cmd_rm, __cmd_rm, Remove (unlink) the FILE(s).);
#ifdef DFS_USING_WORKDIR
int cmd_cd(int argc, char** argv)
{
if (argc == 1)
{
rt_kprintf("%s\n", working_directory);
}
else if (argc == 2)
{
chdir(argv[1]);
}
return 0;
}
FINSH_FUNCTION_EXPORT_ALIAS(cmd_cd, __cmd_cd, Change the shell working directory.);
int cmd_pwd(int argc, char** argv)
{
rt_kprintf("%s\n", working_directory);
return 0;
}
FINSH_FUNCTION_EXPORT_ALIAS(cmd_pwd, __cmd_pwd, Print the name of the current working directory.);
#endif
int cmd_mkdir(int argc, char** argv)
{
if (argc == 1)
{
rt_kprintf("Usage: mkdir [OPTION] DIRECTORY\n");
rt_kprintf("Create the DIRECTORY, if they do not already exist.\n");
}
else
{
mkdir(argv[1], 0);
}
return 0;
}
FINSH_FUNCTION_EXPORT_ALIAS(cmd_mkdir, __cmd_mkdir, Create the DIRECTORY.);
#endif
#ifdef RT_USING_LWIP
int cmd_ifconfig(int argc, char** argv)
{
extern void list_if(void);
list_if();
return 0;
}
FINSH_FUNCTION_EXPORT_ALIAS(cmd_ifconfig, __cmd_ifconfig, list the information of network interfaces);
#endif
int cmd_ps(int argc, char** argv)
{
extern long list_thread(void);
list_thread();
return 0;
}
FINSH_FUNCTION_EXPORT_ALIAS(cmd_ps, __cmd_ps, List threads in the system.);
int cmd_time(int argc, char** argv)
{
return 0;
}
FINSH_FUNCTION_EXPORT_ALIAS(cmd_time, __cmd_time, Execute command with time.);
int cmd_free(int argc, char** argv)
{
extern void list_mem(void);
list_mem();
return 0;
}
FINSH_FUNCTION_EXPORT_ALIAS(cmd_free, __cmd_free, Show the memory usage in the system.);
#endif
@@ -0,0 +1,662 @@
/*
* shell implementation for finsh shell.
*
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This file is part of RT-Thread (http://www.rt-thread.org)
* Maintainer: bernard.xiong <bernard.xiong at gmail.com>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2006-04-30 Bernard the first version for FinSH
* 2006-05-08 Bernard change finsh thread stack to 2048
* 2006-06-03 Bernard add support for skyeye
* 2006-09-24 Bernard remove the code related with hardware
* 2010-01-18 Bernard fix down then up key bug.
* 2010-03-19 Bernard fix backspace issue and fix device read in shell.
* 2010-04-01 Bernard add prompt output when start and remove the empty history
* 2011-02-23 Bernard fix variable section end issue of finsh shell
* initialization when use GNU GCC compiler.
*/
#include <rthw.h>
#include "finsh.h"
#include "shell.h"
#ifdef FINSH_USING_MSH
#include "msh.h"
#endif
#ifdef _WIN32
#include <stdio.h> /* for putchar */
#endif
/* finsh thread */
static struct rt_thread finsh_thread;
ALIGN(RT_ALIGN_SIZE)
static char finsh_thread_stack[FINSH_THREAD_STACK_SIZE];
struct finsh_shell* shell;
#if defined(FINSH_USING_MSH) || (defined(RT_USING_DFS) && defined(DFS_USING_WORKDIR))
#if defined(RT_USING_DFS)
#include <dfs_posix.h>
#endif
const char* finsh_get_prompt()
{
#define _MSH_PROMPT "msh "
#define _PROMPT "finsh "
static char finsh_prompt[RT_CONSOLEBUF_SIZE + 1] = {0};
#ifdef FINSH_USING_MSH
if (msh_is_used()) strcpy(finsh_prompt, _MSH_PROMPT);
else
#endif
strcpy(finsh_prompt, _PROMPT);
#ifdef DFS_USING_WORKDIR
/* get current working directory */
getcwd(&finsh_prompt[rt_strlen(finsh_prompt)], RT_CONSOLEBUF_SIZE - rt_strlen(finsh_prompt));
#endif
strcat(finsh_prompt, ">");
return finsh_prompt;
}
#endif
static rt_err_t finsh_rx_ind(rt_device_t dev, rt_size_t size)
{
RT_ASSERT(shell != RT_NULL);
/* release semaphore to let finsh thread rx data */
rt_sem_release(&shell->rx_sem);
return RT_EOK;
}
/**
* @ingroup finsh
*
* This function sets the input device of finsh shell.
*
* @param device_name the name of new input device.
*/
void finsh_set_device(const char* device_name)
{
rt_device_t dev = RT_NULL;
RT_ASSERT(shell != RT_NULL);
dev = rt_device_find(device_name);
if (dev == RT_NULL)
{
rt_kprintf("finsh: can not find device: %s\n", device_name);
return;
}
/* check whether it's a same device */
if (dev == shell->device) return;
/* open this device and set the new device in finsh shell */
if (rt_device_open(dev, RT_DEVICE_OFLAG_RDWR | RT_DEVICE_FLAG_INT_RX) == RT_EOK)
{
if (shell->device != RT_NULL)
{
/* close old finsh device */
rt_device_close(shell->device);
rt_device_set_rx_indicate(dev, RT_NULL);
}
shell->device = dev;
rt_device_set_rx_indicate(dev, finsh_rx_ind);
}
}
/**
* @ingroup finsh
*
* This function returns current finsh shell input device.
*
* @return the finsh shell input device name is returned.
*/
const char* finsh_get_device()
{
RT_ASSERT(shell != RT_NULL);
return shell->device->parent.name;
}
/**
* @ingroup finsh
*
* This function set the echo mode of finsh shell.
*
* FINSH_OPTION_ECHO=0x01 is echo mode, other values are none-echo mode.
*
* @param echo the echo mode
*/
void finsh_set_echo(rt_uint32_t echo)
{
RT_ASSERT(shell != RT_NULL);
shell->echo_mode = (rt_uint8_t)echo;
}
/**
* @ingroup finsh
*
* This function gets the echo mode of finsh shell.
*
* @return the echo mode
*/
rt_uint32_t finsh_get_echo()
{
RT_ASSERT(shell != RT_NULL);
return shell->echo_mode;
}
static void shell_auto_complete(char* prefix)
{
rt_kprintf("\n");
#ifdef FINSH_USING_MSH
if (msh_is_used() == RT_TRUE)
{
msh_auto_complete(prefix);
}
else
#endif
{
#ifndef FINSH_USING_MSH_ONLY
extern void list_prefix(char* prefix);
list_prefix(prefix);
#endif
}
rt_kprintf("%s%s", FINSH_PROMPT, prefix);
}
#ifndef FINSH_USING_MSH_ONLY
void finsh_run_line(struct finsh_parser* parser, const char *line)
{
const char* err_str;
rt_kprintf("\n");
finsh_parser_run(parser, (unsigned char*)line);
/* compile node root */
if (finsh_errno() == 0)
{
finsh_compiler_run(parser->root);
}
else
{
err_str = finsh_error_string(finsh_errno());
rt_kprintf("%s\n", err_str);
}
/* run virtual machine */
if (finsh_errno() == 0)
{
char ch;
finsh_vm_run();
ch = (unsigned char)finsh_stack_bottom();
if (ch > 0x20 && ch < 0x7e)
{
rt_kprintf("\t'%c', %d, 0x%08x\n",
(unsigned char)finsh_stack_bottom(),
(unsigned int)finsh_stack_bottom(),
(unsigned int)finsh_stack_bottom());
}
else
{
rt_kprintf("\t%d, 0x%08x\n",
(unsigned int)finsh_stack_bottom(),
(unsigned int)finsh_stack_bottom());
}
}
finsh_flush(parser);
}
#endif
#ifdef FINSH_USING_HISTORY
static rt_bool_t shell_handle_history(struct finsh_shell* shell)
{
#if defined(_WIN32)
int i;
rt_kprintf("\r");
for(i=0; i<= 60; i++)
putchar(' ');
rt_kprintf("\r");
#else
rt_kprintf("\033[2K\r");
#endif
rt_kprintf("%s%s", FINSH_PROMPT, shell->line);
return RT_FALSE;
}
static void shell_push_history(struct finsh_shell* shell)
{
if (shell->line_position != 0)
{
/* push history */
if (shell->history_count >= FINSH_HISTORY_LINES)
{
/* move history */
int index;
for (index = 0; index < FINSH_HISTORY_LINES - 1; index ++)
{
memcpy(&shell->cmd_history[index][0],
&shell->cmd_history[index + 1][0], FINSH_CMD_SIZE);
}
memset(&shell->cmd_history[index][0], 0, FINSH_CMD_SIZE);
memcpy(&shell->cmd_history[index][0], shell->line, shell->line_position);
/* it's the maximum history */
shell->history_count = FINSH_HISTORY_LINES;
}
else
{
memset(&shell->cmd_history[shell->history_count][0], 0, FINSH_CMD_SIZE);
memcpy(&shell->cmd_history[shell->history_count][0], shell->line, shell->line_position);
/* increase count and set current history position */
shell->history_count ++;
}
}
shell->current_history = shell->history_count;
}
#endif
#ifndef RT_USING_HEAP
struct finsh_shell _shell;
#endif
void finsh_thread_entry(void* parameter)
{
char ch;
/* normal is echo mode */
shell->echo_mode = 1;
#ifndef FINSH_USING_MSH_ONLY
finsh_init(&shell->parser);
#endif
rt_kprintf(FINSH_PROMPT);
/* set console device as shell device */
if (shell->device == RT_NULL)
{
#ifdef RT_USING_CONSOLE
shell->device = rt_console_get_device();
RT_ASSERT(shell->device);
rt_device_set_rx_indicate(shell->device, finsh_rx_ind);
rt_device_open(shell->device, RT_DEVICE_OFLAG_RDWR | RT_DEVICE_FLAG_INT_RX);
#else
RT_ASSERT(shell->device);
#endif
}
while (1)
{
/* wait receive */
if (rt_sem_take(&shell->rx_sem, RT_WAITING_FOREVER) != RT_EOK) continue;
/* read one character from device */
while (rt_device_read(shell->device, 0, &ch, 1) == 1)
{
/*
* handle control key
* up key : 0x1b 0x5b 0x41
* down key: 0x1b 0x5b 0x42
* right key:0x1b 0x5b 0x43
* left key: 0x1b 0x5b 0x44
*/
if (ch == 0x1b)
{
shell->stat = WAIT_SPEC_KEY;
continue;
}
else if (shell->stat == WAIT_SPEC_KEY)
{
if (ch == 0x5b)
{
shell->stat = WAIT_FUNC_KEY;
continue;
}
shell->stat = WAIT_NORMAL;
}
else if (shell->stat == WAIT_FUNC_KEY)
{
shell->stat = WAIT_NORMAL;
if (ch == 0x41) /* up key */
{
#ifdef FINSH_USING_HISTORY
/* prev history */
if (shell->current_history > 0)
shell->current_history --;
else
{
shell->current_history = 0;
continue;
}
/* copy the history command */
memcpy(shell->line, &shell->cmd_history[shell->current_history][0],
FINSH_CMD_SIZE);
shell->line_curpos = shell->line_position = strlen(shell->line);
shell_handle_history(shell);
#endif
continue;
}
else if (ch == 0x42) /* down key */
{
#ifdef FINSH_USING_HISTORY
/* next history */
if (shell->current_history < shell->history_count - 1)
shell->current_history ++;
else
{
/* set to the end of history */
if (shell->history_count != 0)
shell->current_history = shell->history_count - 1;
else
continue;
}
memcpy(shell->line, &shell->cmd_history[shell->current_history][0],
FINSH_CMD_SIZE);
shell->line_curpos = shell->line_position = strlen(shell->line);
shell_handle_history(shell);
#endif
continue;
}
else if (ch == 0x44) /* left key */
{
if (shell->line_curpos)
{
rt_kprintf("\b");
shell->line_curpos --;
}
continue;
}
else if (ch == 0x43) /* right key */
{
if (shell->line_curpos < shell->line_position)
{
rt_kprintf("%c", shell->line[shell->line_curpos]);
shell->line_curpos ++;
}
continue;
}
}
/* handle CR key */
if (ch == '\r')
{
char next;
if (rt_device_read(shell->device, 0, &next, 1) == 1)
ch = next;
else ch = '\r';
}
/* handle tab key */
else if (ch == '\t')
{
int i;
/* move the cursor to the beginning of line */
for (i = 0; i < shell->line_curpos; i++)
rt_kprintf("\b");
/* auto complete */
shell_auto_complete(&shell->line[0]);
/* re-calculate position */
shell->line_curpos = shell->line_position = strlen(shell->line);
continue;
}
/* handle backspace key */
else if (ch == 0x7f || ch == 0x08)
{
/* note that shell->line_curpos >= 0 */
if (shell->line_curpos == 0)
continue;
shell->line_position--;
shell->line_curpos--;
if (shell->line_position > shell->line_curpos)
{
int i;
rt_memmove(&shell->line[shell->line_curpos],
&shell->line[shell->line_curpos + 1],
shell->line_position - shell->line_curpos);
shell->line[shell->line_position] = 0;
rt_kprintf("\b%s \b", &shell->line[shell->line_curpos]);
/* move the cursor to the origin position */
for (i = shell->line_curpos; i <= shell->line_position; i++)
rt_kprintf("\b");
}
else
{
rt_kprintf("\b \b");
shell->line[shell->line_position] = 0;
}
continue;
}
/* handle end of line, break */
if (ch == '\r' || ch == '\n')
{
#ifdef FINSH_USING_HISTORY
shell_push_history(shell);
#endif
#ifdef FINSH_USING_MSH
if (msh_is_used() == RT_TRUE)
{
rt_kprintf("\n");
msh_exec(shell->line, shell->line_position);
}
else
#endif
{
#ifndef FINSH_USING_MSH_ONLY
/* add ';' and run the command line */
shell->line[shell->line_position] = ';';
if (shell->line_position != 0) finsh_run_line(&shell->parser, shell->line);
else rt_kprintf("\n");
#endif
}
rt_kprintf(FINSH_PROMPT);
memset(shell->line, 0, sizeof(shell->line));
shell->line_curpos = shell->line_position = 0;
break;
}
/* it's a large line, discard it */
if (shell->line_position >= FINSH_CMD_SIZE)
shell->line_position = 0;
/* normal character */
if (shell->line_curpos < shell->line_position)
{
int i;
rt_memmove(&shell->line[shell->line_curpos + 1],
&shell->line[shell->line_curpos],
shell->line_position - shell->line_curpos);
shell->line[shell->line_curpos] = ch;
if (shell->echo_mode)
rt_kprintf("%s", &shell->line[shell->line_curpos]);
/* move the cursor to new position */
for (i = shell->line_curpos; i < shell->line_position; i++)
rt_kprintf("\b");
}
else
{
shell->line[shell->line_position] = ch;
rt_kprintf("%c", ch);
}
ch = 0;
shell->line_position ++;
shell->line_curpos++;
if (shell->line_position >= 80)
{
/* clear command line */
shell->line_position = 0;
shell->line_curpos = 0;
}
} /* end of device read */
}
}
void finsh_system_function_init(const void* begin, const void* end)
{
_syscall_table_begin = (struct finsh_syscall*) begin;
_syscall_table_end = (struct finsh_syscall*) end;
}
void finsh_system_var_init(const void* begin, const void* end)
{
_sysvar_table_begin = (struct finsh_sysvar*) begin;
_sysvar_table_end = (struct finsh_sysvar*) end;
}
#if defined(__ICCARM__) /* for IAR compiler */
#ifdef FINSH_USING_SYMTAB
#pragma section="FSymTab"
#pragma section="VSymTab"
#endif
#elif defined(__ADSPBLACKFIN__) /* for VisaulDSP++ Compiler*/
#ifdef FINSH_USING_SYMTAB
extern "asm" int __fsymtab_start;
extern "asm" int __fsymtab_end;
extern "asm" int __vsymtab_start;
extern "asm" int __vsymtab_end;
#endif
#elif defined(_MSC_VER)
#pragma section("FSymTab$a", read)
const char __fsym_begin_name[] = "__start";
const char __fsym_begin_desc[] = "begin of finsh";
__declspec(allocate("FSymTab$a")) const struct finsh_syscall __fsym_begin =
{
__fsym_begin_name,
__fsym_begin_desc,
NULL
};
#pragma section("FSymTab$z", read)
const char __fsym_end_name[] = "__end";
const char __fsym_end_desc[] = "end of finsh";
__declspec(allocate("FSymTab$z")) const struct finsh_syscall __fsym_end =
{
__fsym_end_name,
__fsym_end_desc,
NULL
};
#endif
/*
* @ingroup finsh
*
* This function will initialize finsh shell
*/
int finsh_system_init(void)
{
rt_err_t result;
#ifdef FINSH_USING_SYMTAB
#ifdef __CC_ARM /* ARM C Compiler */
extern const int FSymTab$$Base;
extern const int FSymTab$$Limit;
extern const int VSymTab$$Base;
extern const int VSymTab$$Limit;
finsh_system_function_init(&FSymTab$$Base, &FSymTab$$Limit);
#ifndef FINSH_USING_MSH_ONLY
finsh_system_var_init(&VSymTab$$Base, &VSymTab$$Limit);
#endif
#elif defined (__ICCARM__) /* for IAR Compiler */
finsh_system_function_init(__section_begin("FSymTab"),
__section_end("FSymTab"));
finsh_system_var_init(__section_begin("VSymTab"),
__section_end("VSymTab"));
#elif defined (__GNUC__) || defined(__TI_COMPILER_VERSION__)
/* GNU GCC Compiler and TI CCS */
extern const int __fsymtab_start;
extern const int __fsymtab_end;
extern const int __vsymtab_start;
extern const int __vsymtab_end;
finsh_system_function_init(&__fsymtab_start, &__fsymtab_end);
finsh_system_var_init(&__vsymtab_start, &__vsymtab_end);
#elif defined(__ADSPBLACKFIN__) /* for VisualDSP++ Compiler */
finsh_system_function_init(&__fsymtab_start, &__fsymtab_end);
finsh_system_var_init(&__vsymtab_start, &__vsymtab_end);
#elif defined(_MSC_VER)
unsigned int *ptr_begin, *ptr_end;
ptr_begin = (unsigned int*)&__fsym_begin; ptr_begin += (sizeof(struct finsh_syscall)/sizeof(unsigned int));
while (*ptr_begin == 0) ptr_begin ++;
ptr_end = (unsigned int*) &__fsym_end; ptr_end --;
while (*ptr_end == 0) ptr_end --;
finsh_system_function_init(ptr_begin, ptr_end);
#endif
#endif
/* create or set shell structure */
#ifdef RT_USING_HEAP
shell = (struct finsh_shell*)rt_malloc(sizeof(struct finsh_shell));
if (shell == RT_NULL)
{
rt_kprintf("no memory for shell\n");
return -1;
}
#else
shell = &_shell;
#endif
memset(shell, 0, sizeof(struct finsh_shell));
rt_sem_init(&(shell->rx_sem), "shrx", 0, 0);
result = rt_thread_init(&finsh_thread,
"tshell",
finsh_thread_entry, RT_NULL,
&finsh_thread_stack[0], sizeof(finsh_thread_stack),
FINSH_THREAD_PRIORITY, 10);
if (result == RT_EOK)
rt_thread_startup(&finsh_thread);
return 0;
}
INIT_COMPONENT_EXPORT(finsh_system_init);
@@ -0,0 +1,98 @@
/*
* shell implementation for finsh shell.
*
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This file is part of RT-Thread (http://www.rt-thread.org)
* Maintainer: bernard.xiong <bernard.xiong at gmail.com>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2011-06-02 Bernard Add finsh_get_prompt function declaration
*/
#ifndef __SHELL_H__
#define __SHELL_H__
#include <rtthread.h>
#include "finsh.h"
#define FINSH_USING_HISTORY
#ifndef FINSH_THREAD_PRIORITY
#define FINSH_THREAD_PRIORITY 20
#endif
#ifndef FINSH_THREAD_STACK_SIZE
#define FINSH_THREAD_STACK_SIZE 2048
#endif
#define FINSH_CMD_SIZE 80
#define FINSH_OPTION_ECHO 0x01
#if defined(FINSH_USING_MSH) || (defined(RT_USING_DFS) && defined(DFS_USING_WORKDIR))
#define FINSH_PROMPT finsh_get_prompt()
const char* finsh_get_prompt(void);
#else
#define FINSH_PROMPT "finsh>>"
#endif
#ifdef FINSH_USING_HISTORY
#ifndef FINSH_HISTORY_LINES
#define FINSH_HISTORY_LINES 5
#endif
#endif
enum input_stat
{
WAIT_NORMAL,
WAIT_SPEC_KEY,
WAIT_FUNC_KEY,
};
struct finsh_shell
{
struct rt_semaphore rx_sem;
enum input_stat stat;
rt_uint8_t echo_mode:1;
#ifdef FINSH_USING_HISTORY
rt_uint16_t current_history;
rt_uint16_t history_count;
char cmd_history[FINSH_HISTORY_LINES][FINSH_CMD_SIZE];
#endif
#ifndef FINSH_USING_MSH_ONLY
struct finsh_parser parser;
#endif
char line[FINSH_CMD_SIZE];
rt_uint8_t line_position;
rt_uint8_t line_curpos;
rt_device_t device;
};
void finsh_set_echo(rt_uint32_t echo);
rt_uint32_t finsh_get_echo(void);
int finsh_system_init(void);
void finsh_set_device(const char* device_name);
const char* finsh_get_device(void);
#endif
@@ -0,0 +1,84 @@
/*
* symbols in finsh shell.
*
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This file is part of RT-Thread (http://www.rt-thread.org)
* Maintainer: bernard.xiong <bernard.xiong at gmail.com>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2010-03-22 Bernard first version
*/
#include "finsh.h"
long hello(void);
long version(void);
long list(void);
long list_thread(void);
long list_sem(void);
long list_mutex(void);
long list_fevent(void);
long list_event(void);
long list_mailbox(void);
long list_msgqueue(void);
long list_mempool(void);
long list_timer(void);
#ifdef FINSH_USING_SYMTAB
struct finsh_syscall *_syscall_table_begin = NULL;
struct finsh_syscall *_syscall_table_end = NULL;
struct finsh_sysvar *_sysvar_table_begin = NULL;
struct finsh_sysvar *_sysvar_table_end = NULL;
#else
struct finsh_syscall _syscall_table[] =
{
{"hello", hello},
{"version", version},
{"list", list},
{"list_thread", list_thread},
#ifdef RT_USING_SEMAPHORE
{"list_sem", list_sem},
#endif
#ifdef RT_USING_MUTEX
{"list_mutex", list_mutex},
#endif
#ifdef RT_USING_FEVENT
{"list_fevent", list_fevent},
#endif
#ifdef RT_USING_EVENT
{"list_event", list_event},
#endif
#ifdef RT_USING_MAILBOX
{"list_mb", list_mailbox},
#endif
#ifdef RT_USING_MESSAGEQUEUE
{"list_mq", list_msgqueue},
#endif
#ifdef RT_USING_MEMPOOL
{"list_memp", list_mempool},
#endif
{"list_timer", list_timer},
};
struct finsh_syscall *_syscall_table_begin = &_syscall_table[0];
struct finsh_syscall *_syscall_table_end = &_syscall_table[sizeof(_syscall_table) / sizeof(struct finsh_syscall)];
struct finsh_sysvar *_sysvar_table_begin = NULL;
struct finsh_sysvar *_sysvar_table_end = NULL;
#endif