FTL诊断：L0探针窗口绑定路径日志（FAT读LPN→物理页+写目标）+重格式化行带fr码

Drivers/BSP/GD5F2GQ5UE/nand_ftl.c

@@ -54,6 +54,20 @@ static uint8_t                s_initialized;
 
 /* resume 搜索探针日志窗口（诊断：逐探测记录判定输入） */
 static uint8_t                s_probe_log;
+/* L0 卷健康探针窗口（诊断：记录 FAT 读的 LPN 绑定 → 物理页路径） */
+static uint8_t                s_tree_probe_log;
+
+/*
+ * 函数功能：打开/关闭 L0 卷健康探针日志窗口
+ * 入口参数：on - 1 打开，0 关闭
+ * 返回值：无
+ * 限定条件：FTL 已初始化
+ * 函数说明：窗口内的 dhara_nand_read/is_free/is_bad 调用逐条记录
+ *           物理页（= journal LPN），用于判定 map 绑定指向
+ */
+void nand_ftl_set_tree_probe(uint8_t on) {
+    s_tree_probe_log = on;
+}
 
 /* ======================== 私有函数声明 ======================== */
 
@@ -90,6 +104,10 @@ static int ftl_read_page(dhara_sector_t lpn) {
 
     s_cached_lpn = lpn;
     s_cache_dirty = 0;
+    if (s_tree_probe_log) {
+        DBG_INFO("ftl read LPN=%lu (binding see nand read lines)",
+                 (unsigned long)lpn);
+    }
     return GD5F_OK;
 }
 
@@ -98,7 +116,7 @@ static int ftl_read_page(dhara_sector_t lpn) {
 int dhara_nand_is_bad(const struct dhara_nand *n, dhara_block_t b) {
     (void)n;
     const int bad = gd5f2gq5ue_is_block_bad(ftl_phy_block(b));
-    if (s_probe_log) {
+    if (s_probe_log || s_tree_probe_log) {
         DBG_INFO("probe blk %lu: bbt_bad=%u", (unsigned long)b,
                  (unsigned int)bad);
     }
@@ -125,6 +143,12 @@ int dhara_nand_prog(const struct dhara_nand *n, dhara_page_t p, const uint8_t *d
     int ret;
     uint32_t phy_pg = ftl_phy_page(p);
 
+    if (s_probe_log || s_tree_probe_log) {
+        DBG_INFO("probe t %lu prog pg %lu blk %lu g%lu",
+                 (unsigned long)HAL_GetTick(), (unsigned long)phy_pg,
+                 (unsigned long)(p >> 6), (unsigned long)((p >> 4) & 3u));
+    }
+
     gd5f_write_enable();
     ret = gd5f_program_load(0, data, FTL_PAGE_SIZE);
     if (ret != GD5F_OK) {
@@ -193,7 +217,7 @@ int dhara_nand_is_free(const struct dhara_nand *n, dhara_page_t p) {
             }
         }
     }
-    if (s_probe_log) {
+    if (s_probe_log || s_tree_probe_log) {
         DBG_INFO("probe t %lu isfree pg %lu = %u",
                  (unsigned long)HAL_GetTick(), (unsigned long)phy_pg,
                  (unsigned int)fre);
@@ -208,7 +232,7 @@ int dhara_nand_read(const struct dhara_nand *n, dhara_page_t p, size_t offset, s
     int eret;
 
     if ((rret = gd5f_page_read(phy_pg)) != GD5F_OK) {
-        if (s_probe_log) {
+        if (s_probe_log || s_tree_probe_log) {
             DBG_INFO("probe pg %lu blk %lu: page_read=%d",
                      (unsigned long)phy_pg, (unsigned long)(p >> 6),
                      rret);
@@ -218,7 +242,7 @@ int dhara_nand_read(const struct dhara_nand *n, dhara_page_t p, size_t offset, s
     }
 
     if ((eret = gd5f_check_ecc()) != GD5F_OK) {
-        if (s_probe_log) {
+        if (s_probe_log || s_tree_probe_log) {
             DBG_INFO("probe pg %lu blk %lu: ecc=%d",
                      (unsigned long)phy_pg, (unsigned long)(p >> 6),
                      eret);
@@ -229,7 +253,8 @@ 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) {
+    if ((s_probe_log || s_tree_probe_log) &&
+            offset == 0 && length == FTL_PAGE_SIZE) {
         /* 组末页（组内偏移 15：页号低 4 位 = 15）= checkpoint 页：
          * 记录 header 前 4 字节 + meta 区 4 字节（偏移 944 = 槽 7，
          * 树根 meta）+ 时间戳。header 新/meta 旧 = 半新半旧混合页

Drivers/BSP/GD5F2GQ5UE/nand_ftl.h

@@ -14,6 +14,7 @@ void nand_ftl_deinit(void);
 /* 诊断接口：打印 journal 状态 / 全扫 checkpoint 分布（跨复位持久性分析） */
 void nand_ftl_log_state(const char *tag);
 void nand_ftl_scan_checks(void);
+void nand_ftl_set_tree_probe(uint8_t on);
 
 #ifdef __cplusplus
 }

Src/freertos.c

@@ -260,9 +260,13 @@ void StartDefaultTask(void *argument)
           } \
       } while (0)
       FRESULT hfr;
+      nand_ftl_set_tree_probe(1);
       FS_VOL_PROBE(hfr);
       if (hfr != FR_OK) {
           FS_VOL_PROBE(hfr);   /* 两击确认 */
+      }
+      nand_ftl_set_tree_probe(0);
+      if (hfr != FR_OK) {
           nand_ftl_scan_checks();   /* 诊断：环上 checkpoint 的 epoch 分布 */
       }
       if (hfr != FR_OK) {
@@ -270,7 +274,8 @@ void StartDefaultTask(void *argument)
               hfr == FR_INT_ERR || hfr == FR_DISK_ERR ||
               hfr == FR_NO_FILE || hfr == FR_NO_PATH ||
               hfr == FR_INVALID_NAME || hfr == FR_NO_FILESYSTEM) {
-              DBG_INFO("[FS] volume FAT invalid, reformatting...");
+              DBG_INFO("[FS] volume FAT invalid (fr=%d), reformatting...",
+                       (int)hfr);
               f_mount(NULL, "", 0);
               {
                   static uint8_t fs_work2[FF_MAX_SS];