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GD5F双装载修复：page_read/program_load二次装载消除低VDD提前就绪竞态（半新半旧页致resume读旧树）

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This commit is contained in:
Wanderingss
2026-09-20 04:52:53 +08:00
parent 36db071233
commit 73d5552ee7
2 changed files with 83 additions and 22 deletions
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Drivers/BSP/GD5F2GQ5UE/nand_ftl.c
+27 -15
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@@ -175,21 +175,30 @@ int dhara_nand_prog(const struct dhara_nand *n, dhara_page_t p, const uint8_t *d
int dhara_nand_is_free(const struct dhara_nand *n, dhara_page_t p) {
(void)n;
uint32_t i;
uint8_t buf[64];
uint32_t phy_pg = ftl_phy_page(p);
int fre;
if (gd5f_page_read(phy_pg) != GD5F_OK) {
return 0;
}
gd5f_read_from_cache(0, buf, sizeof(buf));
fre = 0;
} else {
uint8_t buf[64];
uint32_t i;
for (i = 0; i < sizeof(buf); i++) {
if (buf[i] != 0xFF) {
return 0;
gd5f_read_from_cache(0, buf, sizeof(buf));
fre = 1;
for (i = 0; i < sizeof(buf); i++) {
if (buf[i] != 0xFF) {
fre = 0;
break;
}
}
}
return 1;
if (s_probe_log) {
DBG_INFO("probe t %lu isfree pg %lu = %u",
(unsigned long)HAL_GetTick(), (unsigned long)phy_pg,
(unsigned int)fre);
}
return fre;
}
int dhara_nand_read(const struct dhara_nand *n, dhara_page_t p, size_t offset, size_t length, uint8_t *data, dhara_error_t *err) {
@@ -221,14 +230,17 @@ int dhara_nand_read(const struct dhara_nand *n, dhara_page_t p, size_t offset, s
gd5f_read_from_cache((uint16_t)offset, data, length);
if (s_probe_log && offset == 0 && length == FTL_PAGE_SIZE) {
/* 组末页（组内偏移 15）= checkpoint 页：记录 magic/epoch 判定 */
if ((p & 63u) == 15u) {
/* 组末页（组内偏移 15：页号低 4 位 = 15）= checkpoint 页：
* 记录 raw 前 4 字节 + 时间戳（捕捉 stale buffer：
* 读到上一页残留 = 13h 就绪信号早于 buffer 装载完成） */
if ((p & 15u) == 15u) {
const uint8_t *m = data;
DBG_INFO("probe pg %lu blk %lu chk: magic=%u epoch=%u",
DBG_INFO("probe t %lu pg %lu blk %lu g%lu: %02X %02X %02X %02X",
(unsigned long)HAL_GetTick(),
(unsigned long)phy_pg, (unsigned long)(p >> 6),
(unsigned int)((m[0] == 'D' && m[1] == 'h' &&
m[2] == 'a') ? 1 : 0),
(unsigned int)m[3]);
(unsigned long)((p >> 4) & 3u),
(unsigned int)m[0], (unsigned int)m[1],
(unsigned int)m[2], (unsigned int)m[3]);
}
}
return 0;