PowLu/TencentOS-tiny
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

add kv fs component

Browse Source 
1. a true wear-leveling kv fs for norflash, especially optimize for some onchip norflash with "write once on one single write unit" like stm32l4, a true "no earse before write" flash algorithm.
2. an "as less as possible" gc strategy, do best to save norflash's life.
3. full "power down protection" support
4. see "examples" of kv, project in "TencentOS_tiny_EVB_MX_Plus", with onchip flash and qspiflash sample.
This commit is contained in:
daishengdong
2019-12-19 16:08:42 +08:00
parent e1c19fd194
commit febcf10911
23 changed files with 8674 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
kernel/core/include/tos_task.h
View File

@@ -61,7 +61,7 @@
typedef void (*k_task_entry_t)(void *arg);
typedef void (*k_task_walker)(k_task_t *task);
typedef void (*k_task_walker_t)(k_task_t *task);
/**
* task control block
@@ -339,7 +339,7 @@ __API__ k_err_t tos_task_stack_draught_depth(k_task_t *task, int *depth);
*
* @return None
*/
__API__ void tos_task_walkthru(k_task_walker walker);
__API__ void tos_task_walkthru(k_task_walker_t walker);
/**
* @brief A debug API for display all tasks information.

12
kernel/core/tos_mmheap.c
View File

@@ -191,7 +191,7 @@ __STATIC_INLINE__ void *blk_to_ptr(const mmheap_blk_t *blk)
}
/* Return location of next block after block of given size. */
__STATIC_INLINE__ mmheap_blk_t *offset_to_block(const void *ptr, int diff)
__STATIC_INLINE__ mmheap_blk_t *offset_to_blk(const void *ptr, int diff)
{
return (mmheap_blk_t *)((cpu_addr_t)ptr + diff);
}
@@ -207,7 +207,7 @@ __STATIC__ mmheap_blk_t *blk_next(const mmheap_blk_t *blk)
{
mmheap_blk_t *next_blk;
next_blk = offset_to_block(blk_to_ptr(blk), blk_size(blk) - K_MMHEAP_BLK_HEADER_OVERHEAD);
next_blk = offset_to_blk(blk_to_ptr(blk), blk_size(blk) - K_MMHEAP_BLK_HEADER_OVERHEAD);
return next_blk;
}
@@ -331,7 +331,7 @@ __STATIC__ mmheap_blk_t *blk_split(mmheap_blk_t *blk, size_t size)
size_t remain_size;
/* Calculate the amount of space left in the remaining block. */
remaining = offset_to_block(blk_to_ptr(blk), size - K_MMHEAP_BLK_HEADER_OVERHEAD);
remaining = offset_to_blk(blk_to_ptr(blk), size - K_MMHEAP_BLK_HEADER_OVERHEAD);
remain_size = blk_size(blk) - (size + K_MMHEAP_BLK_HEADER_OVERHEAD);
blk_set_size(remaining, remain_size);
@@ -735,7 +735,7 @@ __API__ k_err_t tos_mmheap_pool_add(void *pool_start, size_t pool_size)
** so that the prev_phys_block field falls outside of the pool -
** it will never be used.
*/
curr_blk = offset_to_block(pool_start, -K_MMHEAP_BLK_HEADER_OVERHEAD);
curr_blk = offset_to_blk(pool_start, -K_MMHEAP_BLK_HEADER_OVERHEAD);
blk_set_size(curr_blk, size_aligned);
blk_set_free(curr_blk);
blk_set_prev_used(curr_blk);
@@ -763,7 +763,7 @@ __API__ k_err_t tos_mmheap_pool_rmv(void *pool_start)
return K_ERR_MMHEAP_POOL_NOT_EXIST;
}
blk = offset_to_block(pool_start, -K_MMHEAP_BLK_HEADER_OVERHEAD);
blk = offset_to_blk(pool_start, -K_MMHEAP_BLK_HEADER_OVERHEAD);
mapping_insert(blk_size(blk), &fl, &sl);
remove_free_block(blk, fl, sl);
@@ -780,7 +780,7 @@ __API__ k_err_t tos_mmheap_pool_check(void *pool_start, k_mmheap_info_t *info)
memset(info, 0, sizeof(k_mmheap_info_t));
blk = offset_to_block(pool_start, -K_MMHEAP_BLK_HEADER_OVERHEAD);
blk = offset_to_blk(pool_start, -K_MMHEAP_BLK_HEADER_OVERHEAD);
while (blk && !blk_is_last(blk)) {
if (blk_is_free(blk)) {

2
kernel/core/tos_task.c
View File

@@ -547,7 +547,7 @@ __API__ k_task_t *tos_task_curr_task_get(void)
return curr_task;
}
__API__ void tos_task_walkthru(k_task_walker walker)
__API__ void tos_task_walkthru(k_task_walker_t walker)
{
TOS_CPU_CPSR_ALLOC();
k_task_t *task;