diff options
| -rw-r--r-- | fs/fs.c | 23 |
1 files changed, 15 insertions, 8 deletions
@@ -20,6 +20,7 @@ #include <ext4fs.h> #include <fat.h> #include <fs.h> +#include <asm/io.h> DECLARE_GLOBAL_DATA_PTR; @@ -39,7 +40,7 @@ static inline int fs_ls_unsupported(const char *dirname) return -1; } -static inline int fs_read_unsupported(const char *filename, ulong addr, +static inline int fs_read_unsupported(const char *filename, void *buf, int offset, int len) { return -1; @@ -62,12 +63,11 @@ static void fs_close_fat(void) #define fs_ls_fat file_fat_ls -static int fs_read_fat(const char *filename, ulong addr, int offset, int len) +static int fs_read_fat(const char *filename, void *buf, int offset, int len) { int len_read; - len_read = file_fat_read_at(filename, offset, - (unsigned char *)addr, len); + len_read = file_fat_read_at(filename, offset, buf, len); if (len_read == -1) { printf("** Unable to read file %s **\n", filename); return -1; @@ -110,7 +110,7 @@ static void fs_close_ext(void) #define fs_ls_ext ext4fs_ls -static int fs_read_ext(const char *filename, ulong addr, int offset, int len) +static int fs_read_ext(const char *filename, void *buf, int offset, int len) { int file_len; int len_read; @@ -130,7 +130,7 @@ static int fs_read_ext(const char *filename, ulong addr, int offset, int len) if (len == 0) len = file_len; - len_read = ext4fs_read((char *)addr, len); + len_read = ext4fs_read(buf, len); ext4fs_close(); if (len_read != len) { @@ -159,7 +159,7 @@ struct fstype_info { int (*probe)(block_dev_desc_t *fs_dev_desc, disk_partition_t *fs_partition); int (*ls)(const char *dirname); - int (*read)(const char *filename, ulong addr, int offset, int len); + int (*read)(const char *filename, void *buf, int offset, int len); void (*close)(void); }; @@ -267,9 +267,16 @@ int fs_ls(const char *dirname) int fs_read(const char *filename, ulong addr, int offset, int len) { struct fstype_info *info = fs_get_info(fs_type); + void *buf; int ret; - ret = info->read(filename, addr, offset, len); + /* + * We don't actually know how many bytes are being read, since len==0 + * means read the whole file. + */ + buf = map_sysmem(addr, len); + ret = info->read(filename, buf, offset, len); + unmap_sysmem(buf); /* If we requested a specific number of bytes, check we got it */ if (ret >= 0 && len && ret != len) { |