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minor changes in fat32

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This commit is contained in:
Elaina Claus
2025-09-20 08:29:43 -04:00
parent 137735431a
commit 4a944bc493
2 changed files with 10 additions and 18 deletions
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9
include/fat32/FAT32_SYS.nasm
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@@ -126,11 +126,12 @@ FAT32_load_vbr:
; - fill fat32_bpb_t and compute derived fields
; - read FSInfo (free count/next free)
; - ???
; int fat32_mount(uint32_t partition_lba, fat32_bpb_t* out);
; int fat32_mount(FAT32_State_t* state, uint32_t partition_lba);
FAT32_mountfs:
__CDECL16_PROC_ENTRY
.proc:
; mount: parse BPB, derive fat0_lba, data_lba, cluster0_lba.
.endp:
__CDECL16_PROC_EXIT
ret
@@ -138,7 +139,7 @@ FAT32_mountfs:
ERROR STEVIA_DEBUG_ERR
; int fat32_read_fat(const fat32_bpb_t* v, uint32_t clus, uint32_t* out);
; int fat32_read_fat(FAT32_State_t* state, uint32_t clus, uint32_t* out);
FAT32_read_fat:
__CDECL16_PROC_ENTRY
.proc:
@@ -153,7 +154,7 @@ FAT32_read_fat:
; EOC if (val & 0x0FFFFFFF) >= 0x0FFFFFF8.
; bad if == 0x0FFFFFF7.
; free if == 0x00000000.
; int fat32_next_clus(const fat32_bpb_t* v, uint32_t clus, uint32_t* out_next);
; int fat32_next_clus(FAT32_State_t* state, uint32_t clus, uint32_t* out_next);
FAT32_next_cluster:
__CDECL16_PROC_ENTRY
.proc:
@@ -165,7 +166,7 @@ FAT32_next_cluster:
ERROR STEVIA_DEBUG_ERR
; e.g:
; uint64_t clus_to_lba(const fat32_bpb_t* v, uint32_t clus) {
; uint64_t clus_to_lba(FAT32_State_t* state, uint32_t clus) {
; return v->data_lba + (uint64_t)(clus - 2) * v->secs_per_clus;
; }
FAT32_clus_to_lba: