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fix problem for ptr legal check when x_realloc in ext-memory.

This commit is contained in:
wuzheng 2024-10-30 07:15:04 +00:00
parent 49b20dfa6a
commit 18e5483d57
1 changed files with 38 additions and 8 deletions
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46
Ubiquitous/XiZi_IIoT/kernel/memory/byte_manage.c
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@ -710,6 +710,8 @@ void* x_realloc(void* pointer, x_size_t size)
x_size_t oldsize = 0;
void* newmem = NONE;
struct DynamicAllocNode* oldnode = NONE;
struct ByteMemory* byte_memory = &ByteManager;
int i;
/* the given pointer is NULL */
if (pointer == NONE)
@ -720,17 +722,31 @@ void* x_realloc(void* pointer, x_size_t size)
x_free(pointer);
return NONE;
}
CHECK(ByteManager.dynamic_buddy_manager.done->JudgeLegal(&ByteManager.dynamic_buddy_manager, pointer));
if(!byte_memory->dynamic_buddy_manager.done->JudgeLegal(&byte_memory->dynamic_buddy_manager, pointer)){
#ifdef MEM_EXTERN_SRAM
for (i = 0; i < EXTSRAM_MAX_NUM; i++) {
if (NONE != ExtByteManager[i].dynamic_buddy_manager.done) {
if (ExtByteManager[i].dynamic_buddy_manager.done->JudgeLegal(&ExtByteManager[i].dynamic_buddy_manager, pointer)) {
byte_memory = &ExtByteManager[i];
goto check_success;
}
}
}
#endif
CHECK(NONE);
}
check_success:
/* alignment and calculate the real size */
newsize = ALIGN_MEN_UP(size, MEM_ALIGN_SIZE);
newsize += SIZEOF_DYNAMICALLOCNODE_MEM;
oldnode = PTR2ALLOCNODE((char*)pointer - SIZEOF_DYNAMICALLOCNODE_MEM);
CHECK(ByteManager.done->JudgeAllocated(oldnode));
CHECK(byte_memory->done->JudgeAllocated(oldnode));
/* achieve the old memory size */
if (ByteManager.done->JudgeStaticOrDynamic(oldnode)) {
if (byte_memory->done->JudgeStaticOrDynamic(oldnode)) {
oldsize = ((struct segment*)(long)(oldnode->size))->block_size;
} else {
oldsize = oldnode->size - SIZEOF_DYNAMICALLOCNODE_MEM;
@ -784,6 +800,8 @@ void x_free(void* pointer)
{
x_base lock = 0;
struct DynamicAllocNode* node = NONE;
struct ByteMemory* byte_memory = &ByteManager;
int i;
/* parameter detection */
if (pointer == NONE) {
@ -793,26 +811,38 @@ void x_free(void* pointer)
/* hold lock before release */
lock = FREE_LIST_LOCK();
if (!ByteManager.dynamic_buddy_manager.done->JudgeLegal(&ByteManager.dynamic_buddy_manager, pointer)) {
if(!byte_memory->dynamic_buddy_manager.done->JudgeLegal(&byte_memory->dynamic_buddy_manager, pointer)){
#ifdef MEM_EXTERN_SRAM
for (i = 0; i < EXTSRAM_MAX_NUM; i++) {
if (NONE != ExtByteManager[i].dynamic_buddy_manager.done) {
if (ExtByteManager[i].dynamic_buddy_manager.done->JudgeLegal(&ExtByteManager[i].dynamic_buddy_manager, pointer)) {
byte_memory = &ExtByteManager[i];
goto check_success;
}
}
}
#endif
FREE_LIST_UNLOCK(lock);
SYS_ERR("[%s] Freeing a unallocated address.\n", __func__);
return;
}
check_success:
node = PTR2ALLOCNODE((char*)pointer - SIZEOF_DYNAMICALLOCNODE_MEM);
CHECK(ByteManager.done->JudgeAllocated(node));
CHECK(byte_memory->done->JudgeAllocated(node));
/* judge release the memory block ro static_segment or dynamic buddy memory */
#ifdef KERNEL_SMALL_MEM_ALLOC
if (node->flag & STATIC_BLOCK_MASK) {
ByteManager.static_manager->done->release(pointer);
byte_memory->static_manager->done->release(pointer);
} else
#endif
{
#ifdef MEM_EXTERN_SRAM
/* judge the pointer is not malloced from extern memory*/
if (0 == (node->flag & 0xFF0000)) {
ByteManager.dynamic_buddy_manager.done->release(&ByteManager, pointer);
byte_memory->dynamic_buddy_manager.done->release(&ByteManager, pointer);
}
/* judge the pointer is malloced from extern memory*/
@ -820,7 +850,7 @@ void x_free(void* pointer)
ExtByteManager[((node->flag & 0xFF0000) >> 16) - 1].dynamic_buddy_manager.done->release(&ExtByteManager[((node->flag & 0xFF0000) >> 16) - 1], pointer);
}
#else
ByteManager.dynamic_buddy_manager.done->release(&ByteManager, pointer);
byte_memory->dynamic_buddy_manager.done->release(&ByteManager, pointer);
#endif
}