refactor: hungarian notation (wip)

This commit is contained in:
d0p1 🏳️‍⚧️ 2024-06-07 11:25:28 +02:00
parent d8f68619d6
commit eb24cb88c2
5 changed files with 46 additions and 30 deletions

View file

@ -1,6 +1,9 @@
CR = 0x0D CR = 0x0D
LF = 0x0A LF = 0x0A
TRUE = 1
FALSE = 0
; -------- Address ---------- ; -------- Address ----------
MBR_BASE = 0x0600 MBR_BASE = 0x0600
BOOTSECT_BASE = 0x7C00 BOOTSECT_BASE = 0x7C00

View file

@ -31,8 +31,20 @@ efimain:
mov ebx, [eax + EFI_SYSTEM_TABLE.BootServices] mov ebx, [eax + EFI_SYSTEM_TABLE.BootServices]
mov [pBootServices], ebx mov [pBootServices], ebx
;mov ecx, [ebx + EFI_BOOT_SERVICES.OpenProtocol] mov ecx, [ebx + EFI_BOOT_SERVICES.AllocatePool]
;mov [fnOpenProtocol], ecx mov [fnAllocatePool], ecx
mov ecx, [ebx + EFI_BOOT_SERVICES.FreePool]
mov [fnFreePool], ecx
mov ecx, [ebx + EFI_BOOT_SERVICES.GetMemoryMap]
mov [fnGetMemoryMap], ecx
mov ecx, [ebx + EFI_BOOT_SERVICES.OpenProtocol]
mov [fnOpenProtocol], ecx
mov ecx, [ebx + EFI_BOOT_SERVICES.Exit]
mov [fnExit], ecx
mov ebx, [eax + EFI_SYSTEM_TABLE.ConOut] mov ebx, [eax + EFI_SYSTEM_TABLE.ConOut]
mov [pConOut], ebx mov [pConOut], ebx
@ -53,8 +65,7 @@ efimain:
call [fnOutputStr] call [fnOutputStr]
add esp, 8 add esp, 8
; load config
; #=======================# ; #=======================#
; search and load kernel ; search and load kernel
; openVolume() ; openVolume()
@ -93,11 +104,12 @@ pSystemTable dd ?
;; Variable: pBootServices ;; Variable: pBootServices
pBootServices dd ? pBootServices dd ?
fnAllocatePages dd ? fnAllocatePool dd ?
fnFreePages dd ? fnFreePool dd ?
fnGetMemoryMap dd ? fnGetMemoryMap dd ?
fnOpenProtocol dd ? fnOpenProtocol dd ?
fnCloseProtocol dd ? fnCloseProtocol dd ?
fnExit dd ?
;; Variable: pRuntimeServices ;; Variable: pRuntimeServices
pRuntimeServices dd ? pRuntimeServices dd ?

View file

@ -210,6 +210,7 @@ struc EFI_BOOT_SERVICES
.SetMem UINTPTR .SetMem UINTPTR
.CreateEventEx UINTPTR .CreateEventEx UINTPTR
} }
defn EFI_BOOT_SERVICES
;; ======================================================================== ;; ========================================================================
;; EFI_RUNTIMES_SERVICES ;; EFI_RUNTIMES_SERVICES

View file

@ -1,6 +1,6 @@
disk_read_sectors: disk_read_sectors:
test byte [drive_lba], 1 test byte [bDriveLBA], TRUE
je .lba_read je .lba_read
push ax push ax
push bx push bx
@ -18,7 +18,7 @@ disk_read_sectors:
mov ch, byte [C] mov ch, byte [C]
mov cl, byte [S] mov cl, byte [S]
mov dh, byte [H] mov dh, byte [H]
mov dl, [drive_number] mov dl, [uDrive]
int 0x13 int 0x13
jc @f jc @f
pop cx pop cx
@ -29,7 +29,7 @@ disk_read_sectors:
loop disk_read_sectors loop disk_read_sectors
ret ret
@@: @@:
mov si, msg_error_sector mov si, szMsgErrorSector
call bios_print call bios_print
ret ret
.lba_read: .lba_read:
@ -38,12 +38,11 @@ disk_read_sectors:
mov word [disk_packet.offset], bx mov word [disk_packet.offset], bx
mov word [disk_packet.lba], ax mov word [disk_packet.lba], ax
mov ds, [disk_packet] mov ds, [disk_packet]
mov dl, [drive_number] mov dl, [uDrive]
mov ah, 0x42 mov ah, 0x42
int 0x13 int 0x13
ret ret
C dw 0x00 C dw 0x00
H dw 0x00 H dw 0x00
S dw 0x00 S dw 0x00

View file

@ -27,9 +27,9 @@ _start:
push cs push cs
pop ds pop ds
mov [drive_number], dl mov [uDrive], dl
mov si, msg_stage2 mov si, szMsgStage2
call bios_log call bios_log
; enable A20 line ; enable A20 line
@ -43,7 +43,7 @@ _start:
; dl >= 0x80 == hard drive ; dl >= 0x80 == hard drive
; dl == 0xE0 ~= CD/DVD ; dl == 0xE0 ~= CD/DVD
; dl <= 0xFF == hard drive ; dl <= 0xFF == hard drive
mov dl, [drive_number] mov dl, [uDrive]
cmp dl, 0x7F cmp dl, 0x7F
; skip disk extension check ; skip disk extension check
jle @f jle @f
@ -53,19 +53,19 @@ _start:
mov bx, 0x55AA mov bx, 0x55AA
int 0x13 int 0x13
jc @f jc @f
mov [drive_lba], 1 mov [bDriveLBA], TRUE
@@: @@:
; detect filesystem (FAT12/16 or StpdFS) ; detect filesystem (FAT12/16 or StpdFS)
; load kernel from filesystem ; load kernel from filesystem
; +---------+--------+---------+ ; +---------+--------+---------+
; | bootsec | sect 1 | stpd sb | ; | bootsec | sect 1 | stpd sb |
; +---------+--------+---------+ ; +---------+--------+---------+
; 0 512 1024 ; 0 512 1024
; ;
; for now fat12 is asumed ; for now fat12 is asumed
call fat_load_root call fat_load_root
mov si, kernel_fat12_file mov si, szKernelFile
call fat_search_root call fat_search_root
jc .error_not_found jc .error_not_found
@ -95,13 +95,13 @@ _start:
jmp 0x8:common32 jmp 0x8:common32
.error_not_found: .error_not_found:
mov si, msg_error_not_found mov si, szMsgErrorNotFound
jmp .error jmp .error
.error_memory: .error_memory:
mov si, msg_error_memory mov si, szMsgErrorMemory
jmp .error jmp .error
.error_a20: .error_a20:
mov si, msg_error_a20 mov si, szMsgErrorA20
.error: .error:
call bios_log call bios_log
@ -118,15 +118,15 @@ _start:
include 'video.inc' include 'video.inc'
include 'gdt.inc' include 'gdt.inc'
drive_number rb 1 uDrive rb 1
drive_lba db 0 bDriveLBA db FALSE
msg_stage2 db "StupidOS Loader", 0 szMsgStage2 db "StupidOS Loader", 0
kernel_fat12_file db "VMSTUPIDSYS", 0 szKernelFile db "VMSTUPIDSYS", 0
msg_error_a20 db "ERROR: can't enable a20 line", 0 szMsgErrorA20 db "ERROR: can't enable a20 line", 0
msg_error_memory db "ERROR: can't detect available memory", 0 szMsgErrorMemory db "ERROR: can't detect available memory", 0
msg_error_sector db "ERROR: reading sector", CR, LF, 0 szMsgErrorSector db "ERROR: reading sector", CR, LF, 0
msg_error_not_found db "ERROR: kernel not found", 0 szMsgErrorNotFound db "ERROR: kernel not found", 0
use32 use32
; ========================================================================= ; =========================================================================
@ -143,11 +143,12 @@ multiboot:
common32: common32:
mov [0xB8000], dword 0x07690748 mov [0xB8000], dword 0x07690748
; paging ; paging
; identity map first 1MB ; identity map first 1MB
; map kernel to 0xC0000000 ; map kernel to 0xC000000
; -----------------------
push STPDBOOT_MAGIC push STPDBOOT_MAGIC