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correct drive_num argument on read_disk_raw

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Elaina Claus
2024-10-14 13:18:41 -04:00
parent 933cccb88e
commit a5296bb438
2 changed files with 16 additions and 17 deletions
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8
include/BIOS/func/ext_read.nasm
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@@ -78,7 +78,7 @@ endstruc
;
; uint8_t read_stage2_raw(uint16_t buf_segment, uint16_t buf_offset,
; uint32_t lba,
; uint16_t count, uint16_t drive_num)
; uint16_t count, uint8_t drive_num)
ALIGN 4, db 0x90
read_disk_raw:
__CDECL16_ENTRY
@@ -88,12 +88,12 @@ read_disk_raw:
xor ax, ax
push ax ; val = 0
mov ax, lba_packet
mov bx, ax
push ax ; dest = lba_packet address
call kmemset
add sp, 0x06
mov byte [bx + LBAPkt_t.size], 0x10
mov bx, lba_packet
mov byte [bx + LBAPkt_t.size], LBAPkt_t_size
mov ax, [bp + 12]
mov word [bx + LBAPkt_t.xfer_size], ax
@@ -104,7 +104,7 @@ read_disk_raw:
mov ax, [bp + 6]
mov word [bx + LBAPkt_t.offset], ax
mov ax, [bp + 4]
movzx ax, byte [bp + 4]
mov word [bx + LBAPkt_t.segment], ax
mov si, bx ; ds:si LBAPkt_t