mirror of
https://github.com/CTCaer/hekate.git
synced 2024-12-23 08:32:04 +00:00
lvgl: Better heap alignment
This commit is contained in:
parent
6749dad1a4
commit
a7c64f8ba2
1 changed files with 12 additions and 13 deletions
|
@ -56,10 +56,10 @@
|
|||
typedef union {
|
||||
struct {
|
||||
MEM_UNIT used: 1; //1: if the entry is used
|
||||
MEM_UNIT d_size: 31; //Size off the data (1 means 4 bytes)
|
||||
MEM_UNIT d_size: 31; //Size of the data
|
||||
};
|
||||
MEM_UNIT header; //The header (used + d_size)
|
||||
uint32_t align[8]; //Align header size to 32 bytes
|
||||
MEM_UNIT align[8]; //Align header size to MEM_UNIT * 8 bytes
|
||||
} lv_mem_header_t;
|
||||
|
||||
static_assert(sizeof(lv_mem_header_t) == 32, "Node header must be 32 bytes!");
|
||||
|
@ -130,10 +130,10 @@ void * lv_mem_alloc(uint32_t size)
|
|||
return &zero_mem;
|
||||
}
|
||||
|
||||
/*Round the size up to 32*/
|
||||
if(size & 0x1F) {
|
||||
size = size & (~0x1F);
|
||||
size += 0x20;
|
||||
/*Round the size to lv_mem_header_t*/
|
||||
if(size & (sizeof(lv_mem_header_t) - 1)) {
|
||||
size = size & (~(sizeof(lv_mem_header_t) - 1));
|
||||
size += sizeof(lv_mem_header_t);
|
||||
}
|
||||
|
||||
void * alloc = NULL;
|
||||
|
@ -233,6 +233,12 @@ void lv_mem_free(const void * data)
|
|||
|
||||
void * lv_mem_realloc(void * data_p, uint32_t new_size)
|
||||
{
|
||||
/*Round the size to lv_mem_header_t*/
|
||||
if(new_size & (sizeof(lv_mem_header_t) - 1)) {
|
||||
new_size = new_size & (~(sizeof(lv_mem_header_t) - 1));
|
||||
new_size += sizeof(lv_mem_header_t);
|
||||
}
|
||||
|
||||
/*data_p could be previously freed pointer (in this case it is invalid)*/
|
||||
if(data_p != NULL) {
|
||||
lv_mem_ent_t * e = (lv_mem_ent_t *)((uint8_t *) data_p - sizeof(lv_mem_header_t));
|
||||
|
@ -444,13 +450,6 @@ static void * ent_alloc(lv_mem_ent_t * e, uint32_t size)
|
|||
*/
|
||||
static void ent_trunc(lv_mem_ent_t * e, uint32_t size)
|
||||
{
|
||||
|
||||
/*Round the size up to 32*/
|
||||
if(size & 0x1F) {
|
||||
size = size & (~0x1F);
|
||||
size += 0x20;
|
||||
}
|
||||
|
||||
/*Don't let empty space only for a header without data*/
|
||||
if(e->header.d_size == size + sizeof(lv_mem_header_t)) {
|
||||
size = e->header.d_size;
|
||||
|
|
Loading…
Reference in a new issue