files
kolibrios64/kernel/boot/bootx64.asm
2025-01-19 17:24:20 +03:00

48 lines
1.4 KiB
NASM

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; Copyright (C) KolibriOS team 2025-2025. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License. ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
format pe64 efi
entry main
section '.text' code executable readable
include '../struct.inc'
; include '../macros.inc'
; include '../kglobals.inc'
fastcall fix fstcall
include '../proc64.inc'
include '../const.inc'
purge DQ ; because of some struct DQ in const.inc
include 'uefi64.inc'
proc main _efi_handle, _efi_table
mov [efi_handle], rcx
mov [efi_table], rdx
mov rbx, rdx
mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.Reset], rcx, 1
test eax, eax
jnz $ ; what can I do here?
mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg_hello_k64_loader
jmp $
endp
section '.data' data readable writeable
efi_handle dq 0
efi_table dq 0
section '.rodata' data readable
msg_hello_k64_loader du "Hello from Kolibri64 efi loader",13,10,0
section '.reloc' fixups data discardable