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ISR_STACK_START/ HEAP_START defines not used by GCC_ARM toolchain

pull/9571/head
deepikabhavnani 2019-02-10 00:08:25 -06:00
parent 9ed7e4dc83
commit 9d1ce66b14
2 changed files with 8 additions and 26 deletions
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11
platform/mbed_retarget.cpp
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@ -1241,15 +1241,8 @@ extern "C" WEAK void __cxa_pure_virtual(void)
// SP. This make it compatible with RTX RTOS thread stacks.
#if defined(TOOLCHAIN_GCC_ARM)
#if !defined(HEAP_START)
/* Defined by linker script */
extern "C" uint32_t __end__;
extern "C" uint32_t __HeapLimit;
#define HEAP_START __end__
#define HEAP_LIMIT __HeapLimit
#else
#define HEAP_LIMIT ((uint32_t)(HEAP_START + HEAP_SIZE))
#endif
// Turn off the errno macro and use actual global variable instead.
#undef errno
@ -1258,12 +1251,12 @@ extern "C" int errno;
// Weak attribute allows user to override, e.g. to use external RAM for dynamic memory.
extern "C" WEAK caddr_t _sbrk(int incr)
{
static unsigned char *heap = (unsigned char *) &HEAP_START;
static unsigned char *heap = (unsigned char *) &__end__;
unsigned char *prev_heap = heap;
unsigned char *new_heap = heap + incr;
/* __HeapLimit is end of heap section */
if (new_heap >= (unsigned char *) &HEAP_LIMIT) {
if (new_heap >= (unsigned char *) &__HeapLimit) {
errno = ENOMEM;
return (caddr_t) -1;
}

19
rtos/TARGET_CORTEX/TOOLCHAIN_GCC_ARM/mbed_boot_gcc_arm.c
View File

@ -29,21 +29,10 @@ static osMutexId_t env_mutex_id;
static mbed_rtos_storage_mutex_t env_mutex_obj;
static osMutexAttr_t env_mutex_attr;
#if !defined(ISR_STACK_SIZE)
extern uint32_t __StackLimit;
extern uint32_t __StackTop;
#define ISR_STACK_START __StackLimit
#define ISR_STACK_SIZE ((uint32_t)((uint32_t)__StackTop - (uint32_t)__StackLimit))
#endif
#if !defined(HEAP_START)
/* Defined by linker script */
extern uint32_t __end__;
extern uint32_t __HeapLimit;
#define HEAP_START __end__
#define HEAP_LIMIT __HeapLimit
#define HEAP_SIZE ((uint32_t)((uint32_t)HEAP_LIMIT - (uint32_t)HEAP_START))
#endif
extern void __libc_init_array(void);
@ -54,10 +43,10 @@ extern void __libc_init_array(void);
*/
void software_init_hook(void)
{
mbed_stack_isr_start = (unsigned char *)ISR_STACK_START;
mbed_stack_isr_size = (uint32_t) ISR_STACK_SIZE;
mbed_heap_start = (unsigned char *) HEAP_START;
mbed_heap_size = (uint32_t) HEAP_SIZE;
mbed_stack_isr_start = (unsigned char *) &__StackLimit;
mbed_stack_isr_size = ((uint32_t)((uint32_t) &__StackTop - (uint32_t) &__StackLimit));
mbed_heap_start = (unsigned char *) &__end__;
mbed_heap_size = ((uint32_t)((uint32_t) &__HeapLimit - (uint32_t) &__end__));
mbed_init();
mbed_rtos_start();