Diff: rtx/TARGET_ARM7/RTX_CM_lib.h

Revision:

80:2dab120a94c2

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rtx/TARGET_ARM7/RTX_CM_lib.h	Mon Jun 01 11:00:36 2015 +0100
@@ -0,0 +1,384 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    RTX_CM_LIB.H
+ *      Purpose: RTX Kernel System Configuration
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+#include "mbed_error.h"
+
+#if   defined (__CC_ARM)
+#pragma O3
+#define __USED __attribute__((used))
+#elif defined (__GNUC__)
+#pragma GCC optimize ("O3")
+#define __USED __attribute__((used))
+#elif defined (__ICCARM__)
+#define __USED __root
+#endif
+
+
+/*----------------------------------------------------------------------------
+ *      Definitions
+ *---------------------------------------------------------------------------*/
+
+#define _declare_box(pool,size,cnt)  uint32_t pool[(((size)+3)/4)*(cnt) + 3]
+#define _declare_box8(pool,size,cnt) uint64_t pool[(((size)+7)/8)*(cnt) + 2]
+
+#define OS_TCB_SIZE     48
+#define OS_TMR_SIZE     8
+
+#if defined (__CC_ARM) && !defined (__MICROLIB)
+
+typedef void    *OS_ID;
+typedef uint32_t OS_TID;
+typedef uint32_t OS_MUT[3];
+typedef uint32_t OS_RESULT;
+
+#define runtask_id()    rt_tsk_self()
+#define mutex_init(m)   rt_mut_init(m)
+#define mutex_wait(m)   os_mut_wait(m,0xFFFF)
+#define mutex_rel(m)    os_mut_release(m)
+
+extern OS_TID    rt_tsk_self    (void);
+extern void      rt_mut_init    (OS_ID mutex);
+extern OS_RESULT rt_mut_release (OS_ID mutex);
+extern OS_RESULT rt_mut_wait    (OS_ID mutex, uint16_t timeout);
+
+#define os_mut_wait(mutex,timeout) _os_mut_wait((uint32_t)rt_mut_wait,mutex,timeout)
+#define os_mut_release(mutex)      _os_mut_release((uint32_t)rt_mut_release,mutex)
+
+OS_RESULT _os_mut_release (uint32_t p, OS_ID mutex)                   __svc_indirect(0);
+OS_RESULT _os_mut_wait    (uint32_t p, OS_ID mutex, uint16_t timeout) __svc_indirect(0);
+
+#endif
+
+
+/*----------------------------------------------------------------------------
+ *      Global Variables
+ *---------------------------------------------------------------------------*/
+
+#if (OS_TIMERS != 0)
+#define OS_TASK_CNT (OS_TASKCNT + 1)
+#else
+#define OS_TASK_CNT  OS_TASKCNT
+#endif
+
+uint16_t const os_maxtaskrun = OS_TASK_CNT;
+uint32_t const os_rrobin     = (OS_ROBIN << 16) | OS_ROBINTOUT;
+uint32_t const os_trv        = OS_TRV;
+uint8_t  const os_flags      = OS_RUNPRIV;
+
+/* Export following defines to uVision debugger. */
+__USED uint32_t const os_clockrate = OS_TICK;
+__USED uint32_t const os_timernum  = 0;
+
+/* Stack for the os_idle_demon */
+unsigned int idle_task_stack[OS_IDLESTKSIZE];
+unsigned short const idle_task_stack_size = OS_IDLESTKSIZE;
+
+#ifndef OS_FIFOSZ
+ #define OS_FIFOSZ      16
+#endif
+
+/* Fifo Queue buffer for ISR requests.*/
+uint32_t       os_fifo[OS_FIFOSZ*2+1];
+uint8_t  const os_fifo_size = OS_FIFOSZ;
+
+/* An array of Active task pointers. */
+void *os_active_TCB[OS_TASK_CNT];
+
+/* User Timers Resources */
+#if (OS_TIMERS != 0)
+extern void osTimerThread (void const *argument);
+osThreadDef(osTimerThread, (osPriority)(OS_TIMERPRIO-3), 4*OS_TIMERSTKSZ);
+osThreadId osThreadId_osTimerThread;
+osMessageQDef(osTimerMessageQ, OS_TIMERCBQS, void *);
+osMessageQId osMessageQId_osTimerMessageQ;
+#else
+osThreadDef_t os_thread_def_osTimerThread = { NULL };
+osThreadId osThreadId_osTimerThread;
+osMessageQDef(osTimerMessageQ, 0, void *);
+osMessageQId osMessageQId_osTimerMessageQ;
+#endif
+
+
+/*----------------------------------------------------------------------------
+ *      RTX Optimizations (empty functions)
+ *---------------------------------------------------------------------------*/
+
+#if OS_ROBIN == 0
+ void rt_init_robin (void) {;}
+ void rt_chk_robin  (void) {;}
+#endif
+
+#if OS_STKCHECK == 0
+ void rt_stk_check  (void) {;}
+#endif
+
+
+/*----------------------------------------------------------------------------
+ *      Standard Library multithreading interface
+ *---------------------------------------------------------------------------*/
+
+#if defined (__CC_ARM) && !defined (__MICROLIB)
+ static OS_MUT   std_libmutex[OS_MUTEXCNT];
+ static uint32_t nr_mutex;
+
+ /*--------------------------- _mutex_initialize -----------------------------*/
+
+int _mutex_initialize (OS_ID *mutex) {
+  /* Allocate and initialize a system mutex. */
+
+  if (nr_mutex >= OS_MUTEXCNT) {
+    /* If you are here, you need to increase the number OS_MUTEXCNT. */
+    error("Not enough stdlib mutexes\n");
+  }
+  *mutex = &std_libmutex[nr_mutex++];
+  mutex_init (*mutex);
+  return (1);
+}
+
+
+/*--------------------------- _mutex_acquire --------------------------------*/
+
+__attribute__((used)) void _mutex_acquire (OS_ID *mutex) {
+  /* Acquire a system mutex, lock stdlib resources. */
+  if (runtask_id ()) {
+    /* RTX running, acquire a mutex. */
+    mutex_wait (*mutex);
+  }
+}
+
+
+/*--------------------------- _mutex_release --------------------------------*/
+
+__attribute__((used)) void _mutex_release (OS_ID *mutex) {
+  /* Release a system mutex, unlock stdlib resources. */
+  if (runtask_id ()) {
+    /* RTX running, release a mutex. */
+    mutex_rel (*mutex);
+  }
+}
+
+#endif
+
+
+/*----------------------------------------------------------------------------
+ *      RTX Startup
+ *---------------------------------------------------------------------------*/
+
+/* Main Thread definition */
+extern int main (void);
+osThreadDef_t os_thread_def_main = {(os_pthread)main, osPriorityNormal, 0, NULL};
+
+// This define should be probably moved to the CMSIS layer
+
+#if defined(TARGET_LPC2460)
+extern unsigned char     __usr_stack_top__[];
+#define INITIAL_SP            (__usr_stack_top__)
+
+#else
+#error "no target defined"
+
+#endif
+
+#ifdef __CC_ARM
+extern unsigned char     Image$$RW_IRAM1$$ZI$$Limit[];
+#define HEAP_START      (Image$$RW_IRAM1$$ZI$$Limit)
+#elif defined(__GNUC__)
+extern unsigned char     __end__[];
+#define HEAP_START      (__end__)
+#elif defined(__ICCARM__)
+#pragma section="HEAP"
+#define HEAP_START     (void *)__section_begin("HEAP")
+#endif
+
+void set_main_stack(void) {
+    // That is the bottom of the main stack block: no collision detection
+    os_thread_def_main.stack_pointer = HEAP_START;
+
+    // Leave OS_SCHEDULERSTKSIZE words for the scheduler and interrupts
+    os_thread_def_main.stacksize = (INITIAL_SP - (unsigned int)HEAP_START) - (OS_SCHEDULERSTKSIZE * 4);
+}
+
+#if defined (__CC_ARM)
+#ifdef __MICROLIB
+void _main_init (void) __attribute__((section(".ARM.Collect$$$$000000FF")));
+void _main_init (void) {
+  osKernelInitialize();
+  set_main_stack();
+  osThreadCreate(&os_thread_def_main, NULL);
+  osKernelStart();
+  for (;;);
+}
+#else
+
+/* The single memory model is checking for stack collision at run time, verifing
+   that the heap pointer is underneath the stack pointer.
+
+   With the RTOS there is not only one stack above the heap, there are multiple
+   stacks and some of them are underneath the heap pointer.
+*/
+#pragma import(__use_two_region_memory)
+
+__asm void __rt_entry (void) {
+
+  IMPORT  __user_setup_stackheap
+  IMPORT  __rt_lib_init
+  IMPORT  os_thread_def_main
+  IMPORT  osKernelInitialize
+  IMPORT  set_main_stack
+  IMPORT  osKernelStart
+  IMPORT  osThreadCreate
+  IMPORT  exit
+
+  BL      __user_setup_stackheap
+  MOV     R1,R2
+  BL      __rt_lib_init
+  BL      osKernelInitialize
+  BL      set_main_stack
+  LDR     R0,=os_thread_def_main
+  MOVS    R1,#0
+  BL      osThreadCreate
+  BL      osKernelStart
+  BL      exit
+
+  ALIGN
+}
+#endif
+
+#elif defined (__GNUC__)
+
+#ifdef __CS3__
+
+/* CS3 start_c routine.
+ *
+ * Copyright (c) 2006, 2007 CodeSourcery Inc
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include "cs3.h"
+
+extern void __libc_init_array (void);
+
+__attribute ((noreturn)) void __cs3_start_c (void){
+  unsigned regions = __cs3_region_num;
+  const struct __cs3_region *rptr = __cs3_regions;
+
+  /* Initialize memory */
+  for (regions = __cs3_region_num, rptr = __cs3_regions; regions--; rptr++) {
+    long long *src = (long long *)rptr->init;
+    long long *dst = (long long *)rptr->data;
+    unsigned limit = rptr->init_size;
+    unsigned count;
+
+    if (src != dst)
+      for (count = 0; count != limit; count += sizeof (long long))
+        *dst++ = *src++;
+    else
+      dst = (long long *)((char *)dst + limit);
+    limit = rptr->zero_size;
+    for (count = 0; count != limit; count += sizeof (long long))
+      *dst++ = 0;
+  }
+
+  /* Run initializers.  */
+  __libc_init_array ();
+
+  osKernelInitialize();
+  set_main_stack();
+  osThreadCreate(&os_thread_def_main, NULL);
+  osKernelStart();
+  for (;;);
+}
+
+#else
+
+__attribute__((naked)) void software_init_hook (void) {
+  __asm (
+    ".syntax unified\n"
+    ".thumb\n"
+    "movs r0,#0\n"
+    "movs r1,#0\n"
+    "mov  r8,r0\n"
+    "mov  r9,r1\n"
+    "ldr  r0,= __libc_fini_array\n"
+    "bl   atexit\n"
+    "bl   __libc_init_array\n"
+    "mov  r0,r8\n"
+    "mov  r1,r9\n"
+    "bl   osKernelInitialize\n"
+    "bl   set_main_stack\n"
+    "ldr  r0,=os_thread_def_main\n"
+    "movs r1,#0\n"
+    "bl   osThreadCreate\n"
+    "bl   osKernelStart\n"
+    "bl   exit\n"
+  );
+}
+
+#endif
+
+#elif defined (__ICCARM__)
+
+extern int  __low_level_init(void);
+extern void __iar_data_init3(void);
+extern void exit(int arg);
+
+__noreturn __stackless void __cmain(void) {
+  int a;
+
+  if (__low_level_init() != 0) {
+    __iar_data_init3();
+  }
+  osKernelInitialize();
+  set_main_stack();
+  osThreadCreate(&os_thread_def_main, NULL);
+  a = osKernelStart();
+  exit(a);
+}
+
+#endif
+
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
+