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first calls to use the new cdecl16 macros

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Elaina Claus
2025-09-07 16:11:18 -04:00
parent 49d82be0e8
commit 766c67c041
1 changed files with 8 additions and 20 deletions
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28
src/stage2/stage2.nasm
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@@ -135,33 +135,21 @@ main:
je main.stage2_main
ERROR STAGE2_SIGNATURE_MISSING
.stage2_main:
mov ax, PartTable_t_size
push ax ; len = PartTable_t_size
mov ax, word [vbr_part_table_ptr] ; src = ptr to vbr partition_table
push ax
mov ax, partition_table ; dst
push ax
call kmemcpy ; copy partition table data to .data section in stage2
add sp, 0x6
; copy partition table data to .data section in stage2
__CDECL16_CALL_ARGS partition_table, word [vbr_part_table_ptr], PartTable_t_size
__CDECL16_CALL kmemcpy, 3
mov ax, (FAT32_bpb_t_size + FAT32_ebpb_t_size) ; len
push ax
mov ax, word [vbr_fat32_bpb_ptr] ; src
push ax
mov ax, fat32_bpb ; dst
push ax
call kmemcpy ; copy bpb & ebpb to memory
add sp, 0x6
; copy bpb & ebpb to memory
__CDECL16_CALL_ARGS fat32_bpb, word [vbr_fat32_bpb_ptr], (FAT32_bpb_t_size + FAT32_ebpb_t_size)
__CDECL16_CALL kmemcpy, 3
call SetTextMode
call disable_cursor_bios
print_string HelloPrompt_info
; setup the early heap
mov ax, early_heap_state
push ax ; address in bss of state structure
call arena_init
add sp, 0x2
__CDECL16_CALL_ARGS early_heap_state
__CDECL16_CALL arena_init, 1
; enable A20 gate
call EnableA20