mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2025-08-21 05:43:48 -07:00
make style
This commit is contained in:
parent
b4d54ae0a2
commit
9beabaabf5
29 changed files with 4784 additions and 4778 deletions
|
@ -12,109 +12,109 @@
|
|||
|
||||
// returns cached page for give page index, or null if no such cached page
|
||||
static spiffs_cache_page *spiffs_cache_page_get(spiffs *fs, spiffs_page_ix pix) {
|
||||
spiffs_cache *cache = spiffs_get_cache(fs);
|
||||
if ((cache->cpage_use_map & cache->cpage_use_mask) == 0) return 0;
|
||||
int i;
|
||||
for (i = 0; i < cache->cpage_count; i++) {
|
||||
spiffs_cache_page *cp = spiffs_get_cache_page_hdr(fs, cache, i);
|
||||
if ((cache->cpage_use_map & (1<<i)) &&
|
||||
(cp->flags & SPIFFS_CACHE_FLAG_TYPE_WR) == 0 &&
|
||||
cp->ucache.spix.pix == pix ) {
|
||||
//SPIFFS_CACHE_DBG("CACHE_GET: have cache page "_SPIPRIi" for "_SPIPRIpg"\n", i, pix);
|
||||
cp->last_access = cache->last_access;
|
||||
return cp;
|
||||
spiffs_cache *cache = spiffs_get_cache(fs);
|
||||
if ((cache->cpage_use_map & cache->cpage_use_mask) == 0) return 0;
|
||||
int i;
|
||||
for (i = 0; i < cache->cpage_count; i++) {
|
||||
spiffs_cache_page *cp = spiffs_get_cache_page_hdr(fs, cache, i);
|
||||
if ((cache->cpage_use_map & (1 << i)) &&
|
||||
(cp->flags & SPIFFS_CACHE_FLAG_TYPE_WR) == 0 &&
|
||||
cp->ucache.spix.pix == pix) {
|
||||
//SPIFFS_CACHE_DBG("CACHE_GET: have cache page "_SPIPRIi" for "_SPIPRIpg"\n", i, pix);
|
||||
cp->last_access = cache->last_access;
|
||||
return cp;
|
||||
}
|
||||
}
|
||||
}
|
||||
//SPIFFS_CACHE_DBG("CACHE_GET: no cache for "_SPIPRIpg"\n", pix);
|
||||
return 0;
|
||||
//SPIFFS_CACHE_DBG("CACHE_GET: no cache for "_SPIPRIpg"\n", pix);
|
||||
return 0;
|
||||
}
|
||||
|
||||
// frees cached page
|
||||
static s32_t spiffs_cache_page_free(spiffs *fs, int ix, u8_t write_back) {
|
||||
s32_t res = SPIFFS_OK;
|
||||
spiffs_cache *cache = spiffs_get_cache(fs);
|
||||
spiffs_cache_page *cp = spiffs_get_cache_page_hdr(fs, cache, ix);
|
||||
if (cache->cpage_use_map & (1<<ix)) {
|
||||
if (write_back &&
|
||||
(cp->flags & SPIFFS_CACHE_FLAG_TYPE_WR) == 0 &&
|
||||
(cp->flags & SPIFFS_CACHE_FLAG_DIRTY)) {
|
||||
u8_t *mem = spiffs_get_cache_page(fs, cache, ix);
|
||||
SPIFFS_CACHE_DBG("CACHE_FREE: write cache page "_SPIPRIi" pix "_SPIPRIpg"\n", ix, cp->pix);
|
||||
res = SPIFFS_HAL_WRITE(fs, SPIFFS_PAGE_TO_PADDR(fs, cp->ucache.spix.pix), SPIFFS_CFG_LOG_PAGE_SZ(fs), mem);
|
||||
}
|
||||
s32_t res = SPIFFS_OK;
|
||||
spiffs_cache *cache = spiffs_get_cache(fs);
|
||||
spiffs_cache_page *cp = spiffs_get_cache_page_hdr(fs, cache, ix);
|
||||
if (cache->cpage_use_map & (1 << ix)) {
|
||||
if (write_back &&
|
||||
(cp->flags & SPIFFS_CACHE_FLAG_TYPE_WR) == 0 &&
|
||||
(cp->flags & SPIFFS_CACHE_FLAG_DIRTY)) {
|
||||
u8_t *mem = spiffs_get_cache_page(fs, cache, ix);
|
||||
SPIFFS_CACHE_DBG("CACHE_FREE: write cache page "_SPIPRIi" pix "_SPIPRIpg"\n", ix, cp->pix);
|
||||
res = SPIFFS_HAL_WRITE(fs, SPIFFS_PAGE_TO_PADDR(fs, cp->ucache.spix.pix), SPIFFS_CFG_LOG_PAGE_SZ(fs), mem);
|
||||
}
|
||||
|
||||
#if SPIFFS_CACHE_WR
|
||||
if (cp->flags & SPIFFS_CACHE_FLAG_TYPE_WR) {
|
||||
SPIFFS_CACHE_DBG("CACHE_FREE: free cache page "_SPIPRIi" objid "_SPIPRIid"\n", ix, cp->obj_id);
|
||||
} else
|
||||
if (cp->flags & SPIFFS_CACHE_FLAG_TYPE_WR) {
|
||||
SPIFFS_CACHE_DBG("CACHE_FREE: free cache page "_SPIPRIi" objid "_SPIPRIid"\n", ix, cp->obj_id);
|
||||
} else
|
||||
#endif
|
||||
{
|
||||
SPIFFS_CACHE_DBG("CACHE_FREE: free cache page "_SPIPRIi" pix "_SPIPRIpg"\n", ix, cp->pix);
|
||||
{
|
||||
SPIFFS_CACHE_DBG("CACHE_FREE: free cache page "_SPIPRIi" pix "_SPIPRIpg"\n", ix, cp->pix);
|
||||
}
|
||||
cache->cpage_use_map &= ~(1 << ix);
|
||||
cp->flags = 0;
|
||||
}
|
||||
cache->cpage_use_map &= ~(1 << ix);
|
||||
cp->flags = 0;
|
||||
}
|
||||
|
||||
return res;
|
||||
return res;
|
||||
}
|
||||
|
||||
// removes the oldest accessed cached page
|
||||
static s32_t spiffs_cache_page_remove_oldest(spiffs *fs, u8_t flag_mask, u8_t flags) {
|
||||
s32_t res = SPIFFS_OK;
|
||||
spiffs_cache *cache = spiffs_get_cache(fs);
|
||||
s32_t res = SPIFFS_OK;
|
||||
spiffs_cache *cache = spiffs_get_cache(fs);
|
||||
|
||||
if ((cache->cpage_use_map & cache->cpage_use_mask) != cache->cpage_use_mask) {
|
||||
// at least one free cpage
|
||||
return SPIFFS_OK;
|
||||
}
|
||||
|
||||
// all busy, scan thru all to find the cpage which has oldest access
|
||||
int i;
|
||||
int cand_ix = -1;
|
||||
u32_t oldest_val = 0;
|
||||
for (i = 0; i < cache->cpage_count; i++) {
|
||||
spiffs_cache_page *cp = spiffs_get_cache_page_hdr(fs, cache, i);
|
||||
if ((cache->last_access - cp->last_access) > oldest_val &&
|
||||
(cp->flags & flag_mask) == flags) {
|
||||
oldest_val = cache->last_access - cp->last_access;
|
||||
cand_ix = i;
|
||||
if ((cache->cpage_use_map & cache->cpage_use_mask) != cache->cpage_use_mask) {
|
||||
// at least one free cpage
|
||||
return SPIFFS_OK;
|
||||
}
|
||||
}
|
||||
|
||||
if (cand_ix >= 0) {
|
||||
res = spiffs_cache_page_free(fs, cand_ix, 1);
|
||||
}
|
||||
// all busy, scan thru all to find the cpage which has oldest access
|
||||
int i;
|
||||
int cand_ix = -1;
|
||||
u32_t oldest_val = 0;
|
||||
for (i = 0; i < cache->cpage_count; i++) {
|
||||
spiffs_cache_page *cp = spiffs_get_cache_page_hdr(fs, cache, i);
|
||||
if ((cache->last_access - cp->last_access) > oldest_val &&
|
||||
(cp->flags & flag_mask) == flags) {
|
||||
oldest_val = cache->last_access - cp->last_access;
|
||||
cand_ix = i;
|
||||
}
|
||||
}
|
||||
|
||||
return res;
|
||||
if (cand_ix >= 0) {
|
||||
res = spiffs_cache_page_free(fs, cand_ix, 1);
|
||||
}
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
// allocates a new cached page and returns it, or null if all cache pages are busy
|
||||
static spiffs_cache_page *spiffs_cache_page_allocate(spiffs *fs) {
|
||||
spiffs_cache *cache = spiffs_get_cache(fs);
|
||||
if (cache->cpage_use_map == 0xffffffff) {
|
||||
// out of cache memory
|
||||
return 0;
|
||||
}
|
||||
int i;
|
||||
for (i = 0; i < cache->cpage_count; i++) {
|
||||
if ((cache->cpage_use_map & (1<<i)) == 0) {
|
||||
spiffs_cache_page *cp = spiffs_get_cache_page_hdr(fs, cache, i);
|
||||
cache->cpage_use_map |= (1<<i);
|
||||
cp->last_access = cache->last_access;
|
||||
//SPIFFS_CACHE_DBG("CACHE_ALLO: allocated cache page "_SPIPRIi"\n", i);
|
||||
return cp;
|
||||
spiffs_cache *cache = spiffs_get_cache(fs);
|
||||
if (cache->cpage_use_map == 0xffffffff) {
|
||||
// out of cache memory
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
// out of cache entries
|
||||
return 0;
|
||||
int i;
|
||||
for (i = 0; i < cache->cpage_count; i++) {
|
||||
if ((cache->cpage_use_map & (1 << i)) == 0) {
|
||||
spiffs_cache_page *cp = spiffs_get_cache_page_hdr(fs, cache, i);
|
||||
cache->cpage_use_map |= (1 << i);
|
||||
cp->last_access = cache->last_access;
|
||||
//SPIFFS_CACHE_DBG("CACHE_ALLO: allocated cache page "_SPIPRIi"\n", i);
|
||||
return cp;
|
||||
}
|
||||
}
|
||||
// out of cache entries
|
||||
return 0;
|
||||
}
|
||||
|
||||
// drops the cache page for give page index
|
||||
void spiffs_cache_drop_page(spiffs *fs, spiffs_page_ix pix) {
|
||||
spiffs_cache_page *cp = spiffs_cache_page_get(fs, pix);
|
||||
if (cp) {
|
||||
spiffs_cache_page_free(fs, cp->ix, 0);
|
||||
}
|
||||
spiffs_cache_page *cp = spiffs_cache_page_get(fs, pix);
|
||||
if (cp) {
|
||||
spiffs_cache_page_free(fs, cp->ix, 0);
|
||||
}
|
||||
}
|
||||
|
||||
// ------------------------------
|
||||
|
@ -127,57 +127,57 @@ s32_t spiffs_phys_rd(
|
|||
u32_t addr,
|
||||
u32_t len,
|
||||
u8_t *dst) {
|
||||
(void)fh;
|
||||
s32_t res = SPIFFS_OK;
|
||||
spiffs_cache *cache = spiffs_get_cache(fs);
|
||||
spiffs_cache_page *cp = spiffs_cache_page_get(fs, SPIFFS_PADDR_TO_PAGE(fs, addr));
|
||||
cache->last_access++;
|
||||
if (cp) {
|
||||
// we've already got one, you see
|
||||
#if SPIFFS_CACHE_STATS
|
||||
fs->cache_hits++;
|
||||
#endif
|
||||
cp->last_access = cache->last_access;
|
||||
u8_t *mem = spiffs_get_cache_page(fs, cache, cp->ix);
|
||||
_SPIFFS_MEMCPY(dst, &mem[SPIFFS_PADDR_TO_PAGE_OFFSET(fs, addr)], len);
|
||||
} else {
|
||||
if ((op & SPIFFS_OP_TYPE_MASK) == SPIFFS_OP_T_OBJ_LU2) {
|
||||
// for second layer lookup functions, we do not cache in order to prevent shredding
|
||||
return SPIFFS_HAL_READ(fs, addr, len, dst);
|
||||
}
|
||||
#if SPIFFS_CACHE_STATS
|
||||
fs->cache_misses++;
|
||||
#endif
|
||||
// this operation will always free one cache page (unless all already free),
|
||||
// the result code stems from the write operation of the possibly freed cache page
|
||||
res = spiffs_cache_page_remove_oldest(fs, SPIFFS_CACHE_FLAG_TYPE_WR, 0);
|
||||
|
||||
cp = spiffs_cache_page_allocate(fs);
|
||||
(void)fh;
|
||||
s32_t res = SPIFFS_OK;
|
||||
spiffs_cache *cache = spiffs_get_cache(fs);
|
||||
spiffs_cache_page *cp = spiffs_cache_page_get(fs, SPIFFS_PADDR_TO_PAGE(fs, addr));
|
||||
cache->last_access++;
|
||||
if (cp) {
|
||||
cp->flags = SPIFFS_CACHE_FLAG_WRTHRU;
|
||||
cp->ucache.spix.pix = SPIFFS_PADDR_TO_PAGE(fs, addr);
|
||||
SPIFFS_CACHE_DBG("CACHE_ALLO: allocated cache page "_SPIPRIi" for pix "_SPIPRIpg "\n", cp->ix, cp->pix);
|
||||
|
||||
s32_t res2 = SPIFFS_HAL_READ(fs,
|
||||
addr - SPIFFS_PADDR_TO_PAGE_OFFSET(fs, addr),
|
||||
SPIFFS_CFG_LOG_PAGE_SZ(fs),
|
||||
spiffs_get_cache_page(fs, cache, cp->ix));
|
||||
if (res2 != SPIFFS_OK) {
|
||||
// honor read failure before possible write failure (bad idea?)
|
||||
res = res2;
|
||||
}
|
||||
u8_t *mem = spiffs_get_cache_page(fs, cache, cp->ix);
|
||||
_SPIFFS_MEMCPY(dst, &mem[SPIFFS_PADDR_TO_PAGE_OFFSET(fs, addr)], len);
|
||||
// we've already got one, you see
|
||||
#if SPIFFS_CACHE_STATS
|
||||
fs->cache_hits++;
|
||||
#endif
|
||||
cp->last_access = cache->last_access;
|
||||
u8_t *mem = spiffs_get_cache_page(fs, cache, cp->ix);
|
||||
_SPIFFS_MEMCPY(dst, &mem[SPIFFS_PADDR_TO_PAGE_OFFSET(fs, addr)], len);
|
||||
} else {
|
||||
// this will never happen, last resort for sake of symmetry
|
||||
s32_t res2 = SPIFFS_HAL_READ(fs, addr, len, dst);
|
||||
if (res2 != SPIFFS_OK) {
|
||||
// honor read failure before possible write failure (bad idea?)
|
||||
res = res2;
|
||||
}
|
||||
if ((op & SPIFFS_OP_TYPE_MASK) == SPIFFS_OP_T_OBJ_LU2) {
|
||||
// for second layer lookup functions, we do not cache in order to prevent shredding
|
||||
return SPIFFS_HAL_READ(fs, addr, len, dst);
|
||||
}
|
||||
#if SPIFFS_CACHE_STATS
|
||||
fs->cache_misses++;
|
||||
#endif
|
||||
// this operation will always free one cache page (unless all already free),
|
||||
// the result code stems from the write operation of the possibly freed cache page
|
||||
res = spiffs_cache_page_remove_oldest(fs, SPIFFS_CACHE_FLAG_TYPE_WR, 0);
|
||||
|
||||
cp = spiffs_cache_page_allocate(fs);
|
||||
if (cp) {
|
||||
cp->flags = SPIFFS_CACHE_FLAG_WRTHRU;
|
||||
cp->ucache.spix.pix = SPIFFS_PADDR_TO_PAGE(fs, addr);
|
||||
SPIFFS_CACHE_DBG("CACHE_ALLO: allocated cache page "_SPIPRIi" for pix "_SPIPRIpg "\n", cp->ix, cp->pix);
|
||||
|
||||
s32_t res2 = SPIFFS_HAL_READ(fs,
|
||||
addr - SPIFFS_PADDR_TO_PAGE_OFFSET(fs, addr),
|
||||
SPIFFS_CFG_LOG_PAGE_SZ(fs),
|
||||
spiffs_get_cache_page(fs, cache, cp->ix));
|
||||
if (res2 != SPIFFS_OK) {
|
||||
// honor read failure before possible write failure (bad idea?)
|
||||
res = res2;
|
||||
}
|
||||
u8_t *mem = spiffs_get_cache_page(fs, cache, cp->ix);
|
||||
_SPIFFS_MEMCPY(dst, &mem[SPIFFS_PADDR_TO_PAGE_OFFSET(fs, addr)], len);
|
||||
} else {
|
||||
// this will never happen, last resort for sake of symmetry
|
||||
s32_t res2 = SPIFFS_HAL_READ(fs, addr, len, dst);
|
||||
if (res2 != SPIFFS_OK) {
|
||||
// honor read failure before possible write failure (bad idea?)
|
||||
res = res2;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return res;
|
||||
return res;
|
||||
}
|
||||
|
||||
// writes to spi flash and/or the cache
|
||||
|
@ -188,132 +188,132 @@ s32_t spiffs_phys_wr(
|
|||
u32_t addr,
|
||||
u32_t len,
|
||||
u8_t *src) {
|
||||
(void)fh;
|
||||
spiffs_page_ix pix = SPIFFS_PADDR_TO_PAGE(fs, addr);
|
||||
spiffs_cache *cache = spiffs_get_cache(fs);
|
||||
spiffs_cache_page *cp = spiffs_cache_page_get(fs, pix);
|
||||
(void)fh;
|
||||
spiffs_page_ix pix = SPIFFS_PADDR_TO_PAGE(fs, addr);
|
||||
spiffs_cache *cache = spiffs_get_cache(fs);
|
||||
spiffs_cache_page *cp = spiffs_cache_page_get(fs, pix);
|
||||
|
||||
if (cp && (op & SPIFFS_OP_COM_MASK) != SPIFFS_OP_C_WRTHRU) {
|
||||
// have a cache page
|
||||
// copy in data to cache page
|
||||
if (cp && (op & SPIFFS_OP_COM_MASK) != SPIFFS_OP_C_WRTHRU) {
|
||||
// have a cache page
|
||||
// copy in data to cache page
|
||||
|
||||
if ((op & SPIFFS_OP_COM_MASK) == SPIFFS_OP_C_DELE &&
|
||||
(op & SPIFFS_OP_TYPE_MASK) != SPIFFS_OP_T_OBJ_LU) {
|
||||
// page is being deleted, wipe from cache - unless it is a lookup page
|
||||
spiffs_cache_page_free(fs, cp->ix, 0);
|
||||
return SPIFFS_HAL_WRITE(fs, addr, len, src);
|
||||
}
|
||||
if ((op & SPIFFS_OP_COM_MASK) == SPIFFS_OP_C_DELE &&
|
||||
(op & SPIFFS_OP_TYPE_MASK) != SPIFFS_OP_T_OBJ_LU) {
|
||||
// page is being deleted, wipe from cache - unless it is a lookup page
|
||||
spiffs_cache_page_free(fs, cp->ix, 0);
|
||||
return SPIFFS_HAL_WRITE(fs, addr, len, src);
|
||||
}
|
||||
|
||||
u8_t *mem = spiffs_get_cache_page(fs, cache, cp->ix);
|
||||
_SPIFFS_MEMCPY(&mem[SPIFFS_PADDR_TO_PAGE_OFFSET(fs, addr)], src, len);
|
||||
u8_t *mem = spiffs_get_cache_page(fs, cache, cp->ix);
|
||||
_SPIFFS_MEMCPY(&mem[SPIFFS_PADDR_TO_PAGE_OFFSET(fs, addr)], src, len);
|
||||
|
||||
cache->last_access++;
|
||||
cp->last_access = cache->last_access;
|
||||
cache->last_access++;
|
||||
cp->last_access = cache->last_access;
|
||||
|
||||
if (cp->flags & SPIFFS_CACHE_FLAG_WRTHRU) {
|
||||
// page is being updated, no write-cache, just pass thru
|
||||
return SPIFFS_HAL_WRITE(fs, addr, len, src);
|
||||
if (cp->flags & SPIFFS_CACHE_FLAG_WRTHRU) {
|
||||
// page is being updated, no write-cache, just pass thru
|
||||
return SPIFFS_HAL_WRITE(fs, addr, len, src);
|
||||
} else {
|
||||
return SPIFFS_OK;
|
||||
}
|
||||
} else {
|
||||
return SPIFFS_OK;
|
||||
// no cache page, no write cache - just write thru
|
||||
return SPIFFS_HAL_WRITE(fs, addr, len, src);
|
||||
}
|
||||
} else {
|
||||
// no cache page, no write cache - just write thru
|
||||
return SPIFFS_HAL_WRITE(fs, addr, len, src);
|
||||
}
|
||||
}
|
||||
|
||||
#if SPIFFS_CACHE_WR
|
||||
// returns the cache page that this fd refers, or null if no cache page
|
||||
spiffs_cache_page *spiffs_cache_page_get_by_fd(spiffs *fs, spiffs_fd *fd) {
|
||||
spiffs_cache *cache = spiffs_get_cache(fs);
|
||||
spiffs_cache *cache = spiffs_get_cache(fs);
|
||||
|
||||
if ((cache->cpage_use_map & cache->cpage_use_mask) == 0) {
|
||||
// all cpages free, no cpage cannot be assigned to obj_id
|
||||
return 0;
|
||||
}
|
||||
|
||||
int i;
|
||||
for (i = 0; i < cache->cpage_count; i++) {
|
||||
spiffs_cache_page *cp = spiffs_get_cache_page_hdr(fs, cache, i);
|
||||
if ((cache->cpage_use_map & (1<<i)) &&
|
||||
(cp->flags & SPIFFS_CACHE_FLAG_TYPE_WR) &&
|
||||
cp->ucache.swrc.obj_id == fd->obj_id) {
|
||||
return cp;
|
||||
if ((cache->cpage_use_map & cache->cpage_use_mask) == 0) {
|
||||
// all cpages free, no cpage cannot be assigned to obj_id
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
int i;
|
||||
for (i = 0; i < cache->cpage_count; i++) {
|
||||
spiffs_cache_page *cp = spiffs_get_cache_page_hdr(fs, cache, i);
|
||||
if ((cache->cpage_use_map & (1 << i)) &&
|
||||
(cp->flags & SPIFFS_CACHE_FLAG_TYPE_WR) &&
|
||||
cp->ucache.swrc.obj_id == fd->obj_id) {
|
||||
return cp;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
// allocates a new cache page and refers this to given fd - flushes an old cache
|
||||
// page if all cache is busy
|
||||
spiffs_cache_page *spiffs_cache_page_allocate_by_fd(spiffs *fs, spiffs_fd *fd) {
|
||||
// before this function is called, it is ensured that there is no already existing
|
||||
// cache page with same object id
|
||||
spiffs_cache_page_remove_oldest(fs, SPIFFS_CACHE_FLAG_TYPE_WR, 0);
|
||||
spiffs_cache_page *cp = spiffs_cache_page_allocate(fs);
|
||||
if (cp == 0) {
|
||||
// could not get cache page
|
||||
return 0;
|
||||
}
|
||||
// before this function is called, it is ensured that there is no already existing
|
||||
// cache page with same object id
|
||||
spiffs_cache_page_remove_oldest(fs, SPIFFS_CACHE_FLAG_TYPE_WR, 0);
|
||||
spiffs_cache_page *cp = spiffs_cache_page_allocate(fs);
|
||||
if (cp == 0) {
|
||||
// could not get cache page
|
||||
return 0;
|
||||
}
|
||||
|
||||
cp->flags = SPIFFS_CACHE_FLAG_TYPE_WR;
|
||||
cp->ucache.swrc.obj_id = fd->obj_id;
|
||||
fd->cache_page = cp;
|
||||
SPIFFS_CACHE_DBG("CACHE_ALLO: allocated cache page "_SPIPRIi" for fd "_SPIPRIfd ":"_SPIPRIid "\n", cp->ix, fd->file_nbr, fd->obj_id);
|
||||
return cp;
|
||||
cp->flags = SPIFFS_CACHE_FLAG_TYPE_WR;
|
||||
cp->ucache.swrc.obj_id = fd->obj_id;
|
||||
fd->cache_page = cp;
|
||||
SPIFFS_CACHE_DBG("CACHE_ALLO: allocated cache page "_SPIPRIi" for fd "_SPIPRIfd ":"_SPIPRIid "\n", cp->ix, fd->file_nbr, fd->obj_id);
|
||||
return cp;
|
||||
}
|
||||
|
||||
// unrefers all fds that this cache page refers to and releases the cache page
|
||||
void spiffs_cache_fd_release(spiffs *fs, spiffs_cache_page *cp) {
|
||||
if (cp == 0) return;
|
||||
u32_t i;
|
||||
spiffs_fd *fds = (spiffs_fd *)fs->fd_space;
|
||||
for (i = 0; i < fs->fd_count; i++) {
|
||||
spiffs_fd *cur_fd = &fds[i];
|
||||
if (cur_fd->file_nbr != 0 && cur_fd->cache_page == cp) {
|
||||
cur_fd->cache_page = 0;
|
||||
if (cp == 0) return;
|
||||
u32_t i;
|
||||
spiffs_fd *fds = (spiffs_fd *)fs->fd_space;
|
||||
for (i = 0; i < fs->fd_count; i++) {
|
||||
spiffs_fd *cur_fd = &fds[i];
|
||||
if (cur_fd->file_nbr != 0 && cur_fd->cache_page == cp) {
|
||||
cur_fd->cache_page = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
spiffs_cache_page_free(fs, cp->ix, 0);
|
||||
spiffs_cache_page_free(fs, cp->ix, 0);
|
||||
|
||||
cp->ucache.swrc.obj_id = 0;
|
||||
cp->ucache.swrc.obj_id = 0;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
// initializes the cache
|
||||
void spiffs_cache_init(spiffs *fs) {
|
||||
if (fs->cache == 0) return;
|
||||
u32_t sz = fs->cache_size;
|
||||
u32_t cache_mask = 0;
|
||||
int i;
|
||||
int cache_entries =
|
||||
(sz - sizeof(spiffs_cache)) / (SPIFFS_CACHE_PAGE_SIZE(fs));
|
||||
if (cache_entries <= 0) return;
|
||||
if (fs->cache == 0) return;
|
||||
u32_t sz = fs->cache_size;
|
||||
u32_t cache_mask = 0;
|
||||
int i;
|
||||
int cache_entries =
|
||||
(sz - sizeof(spiffs_cache)) / (SPIFFS_CACHE_PAGE_SIZE(fs));
|
||||
if (cache_entries <= 0) return;
|
||||
|
||||
for (i = 0; i < cache_entries; i++) {
|
||||
cache_mask <<= 1;
|
||||
cache_mask |= 1;
|
||||
}
|
||||
for (i = 0; i < cache_entries; i++) {
|
||||
cache_mask <<= 1;
|
||||
cache_mask |= 1;
|
||||
}
|
||||
|
||||
spiffs_cache cache;
|
||||
memset(&cache, 0, sizeof(spiffs_cache));
|
||||
cache.cpage_count = cache_entries;
|
||||
cache.cpages = (u8_t *)((u8_t *)fs->cache + sizeof(spiffs_cache));
|
||||
spiffs_cache cache;
|
||||
memset(&cache, 0, sizeof(spiffs_cache));
|
||||
cache.cpage_count = cache_entries;
|
||||
cache.cpages = (u8_t *)((u8_t *)fs->cache + sizeof(spiffs_cache));
|
||||
|
||||
cache.cpage_use_map = 0xffffffff;
|
||||
cache.cpage_use_mask = cache_mask;
|
||||
_SPIFFS_MEMCPY(fs->cache, &cache, sizeof(spiffs_cache));
|
||||
cache.cpage_use_map = 0xffffffff;
|
||||
cache.cpage_use_mask = cache_mask;
|
||||
_SPIFFS_MEMCPY(fs->cache, &cache, sizeof(spiffs_cache));
|
||||
|
||||
spiffs_cache *c = spiffs_get_cache(fs);
|
||||
spiffs_cache *c = spiffs_get_cache(fs);
|
||||
|
||||
memset(c->cpages, 0, c->cpage_count * SPIFFS_CACHE_PAGE_SIZE(fs));
|
||||
memset(c->cpages, 0, c->cpage_count * SPIFFS_CACHE_PAGE_SIZE(fs));
|
||||
|
||||
c->cpage_use_map &= ~(c->cpage_use_mask);
|
||||
for (i = 0; i < cache.cpage_count; i++) {
|
||||
spiffs_get_cache_page_hdr(fs, c, i)->ix = i;
|
||||
}
|
||||
c->cpage_use_map &= ~(c->cpage_use_mask);
|
||||
for (i = 0; i < cache.cpage_count; i++) {
|
||||
spiffs_get_cache_page_hdr(fs, c, i)->ix = i;
|
||||
}
|
||||
}
|
||||
|
||||
#endif // SPIFFS_CACHE
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue