102 lines
1.8 KiB
NASM
102 lines
1.8 KiB
NASM
;; File: bootia32.asm
|
|
format PE DLL EFI at 10000000h
|
|
entry efimain
|
|
|
|
include '../common/const.inc'
|
|
include '../common/macro.inc'
|
|
include 'uefi.inc'
|
|
include '../../kernel/sys/bootinfo.inc'
|
|
include 'logger.inc'
|
|
include 'memory.inc'
|
|
include 'fs.inc'
|
|
|
|
section '.text' code executable readable
|
|
|
|
;; Function: efimain
|
|
;;
|
|
;; Parameters:
|
|
;;
|
|
;; [esp+4] - handle
|
|
;; [esp+8] - <EFI_SYSTEM_TABLE>
|
|
;;
|
|
;; Returns:
|
|
;;
|
|
;; eax - efi status
|
|
;;
|
|
efimain:
|
|
mov eax, [esp+4]
|
|
mov [hImage], eax
|
|
mov eax, [esp+8]
|
|
mov [pSystemTable], eax
|
|
|
|
mov ebx, [eax + EFI_SYSTEM_TABLE.RuntimeServices]
|
|
mov [pRuntimeServices], ebx
|
|
|
|
mov ebx, [eax + EFI_SYSTEM_TABLE.BootServices]
|
|
mov [pBootServices], ebx
|
|
|
|
mov ecx, [ebx + EFI_BOOT_SERVICES.OpenProtocol]
|
|
mov [fnOpenProtocol], ecx
|
|
|
|
mov ecx, [ebx + EFI_BOOT_SERVICES.Exit]
|
|
mov [fnExit], ecx
|
|
|
|
call efi_memory_init
|
|
call efi_log_init
|
|
|
|
mov esi, szHelloMsg
|
|
call efi_log
|
|
|
|
call efi_fs_init
|
|
|
|
; #=======================#
|
|
; search and load kernel
|
|
; openVolume()
|
|
; for path in search_path
|
|
; if (open(path + file) == ok)
|
|
; break
|
|
; if not found
|
|
; error
|
|
|
|
; get memory map
|
|
|
|
; paging
|
|
|
|
; jump to kernel
|
|
|
|
jmp $
|
|
|
|
xor eax, eax
|
|
ret
|
|
|
|
section '.reloc' fixups data discardable
|
|
|
|
section '.data' data readable writeable
|
|
|
|
szHelloMsg du 'StupidOS EFI Bootloader', 0
|
|
|
|
; Search path: / /boot /boot/efi
|
|
aSearchPaths du '\\', 0, \
|
|
'\\boot', 0, \
|
|
'\\boot\\efi', 0, 0
|
|
szKernelFile du 'vmstupid.sys', 0
|
|
szConfigFile du 'stpdboot.ini', 0
|
|
|
|
stBootInfo BootInfo
|
|
|
|
hImage dd ?
|
|
pSystemTable dd ?
|
|
|
|
;; Variable: pBootServices
|
|
pBootServices dd ?
|
|
fnOpenProtocol dd ?
|
|
fnCloseProtocol dd ?
|
|
fnExit dd ?
|
|
|
|
;; Variable: pRuntimeServices
|
|
pRuntimeServices dd ?
|
|
|
|
;; Variable: pLoadFileProtocol
|
|
;; Pointer to EFI_LOAD_FILE_PROTOCOL
|
|
pLoadFileProtocol dd ?
|
|
fnLoadFile dd ?
|