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add bpb and ebpb reserve area back to vbr.nasm

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This commit is contained in:
Elaina Claus
2024-10-03 21:00:02 -04:00
parent d16323bac1
commit 60ad0d71e0
1 changed files with 10 additions and 3 deletions
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13
src/vbr/vbr.nasm
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@@ -24,8 +24,15 @@
[CPU KATMAI] [CPU KATMAI]
jmp short init jmp short init
nop nop
phy_bpb_start:
; fill BPB area with 0x00 since we skip writing this part to disk
; but we need it for the 'jmp short entry; nop' above
times 33 db 0x00
%include "fat32/bpb_reserve_area.inc" phy_ebpb_start:
; fill BPB area with 0x00 since we skip writing this part to disk
; but we need it for the 'jmp short entry; nop' above
times 54 db 0x00
%include "entry.inc" %include "entry.inc"
init: init:
@@ -103,7 +110,7 @@ main:
mov bp, sp mov bp, sp
mov ax, fat32_bpb_SIZE ; size in byte mov ax, fat32_bpb_SIZE ; size in byte
push ax push ax
mov ax, bpb_start ; start of bpb mov ax, phy_bpb_start ; start of bpb
push ax push ax
mov ax, fat32_bpb ; defined in memory.inc, destination mov ax, fat32_bpb ; defined in memory.inc, destination
push ax push ax
@@ -114,7 +121,7 @@ main:
mov bp, sp mov bp, sp
mov ax, fat32_ebpb_SIZE ; 72 bytes of data mov ax, fat32_ebpb_SIZE ; 72 bytes of data
push ax push ax
mov ax, ebpb_start ; start of ebpb mov ax, phy_ebpb_start ; start of ebpb
push ax push ax
mov ax, fat32_ebpb ; defined in memory.inc, destination mov ax, fat32_ebpb ; defined in memory.inc, destination
push ax push ax