164 lines
4.2 KiB
NASM
164 lines
4.2 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'
|
|
|
|
; rcx - color = fore | back
|
|
efi_set_text_color:
|
|
push rax rdx
|
|
mov rax, [efi_table]
|
|
mov rax, [rax+EFI_SYSTEM_TABLE.ConOut]
|
|
mov rdx, rcx ; arg2 - color
|
|
mov rcx, rax ; arg1 - this
|
|
fstcall [rax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.SetAttribute]
|
|
pop rdx rax
|
|
ret
|
|
|
|
; rcx - null-terminated string
|
|
efi_puts:
|
|
push rax rdx
|
|
mov rax, [efi_table]
|
|
mov rax, [rax+EFI_SYSTEM_TABLE.ConOut]
|
|
mov rdx, rcx ; arg2 - string
|
|
mov rcx, rax ; arg1 - this
|
|
fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString]
|
|
pop rdx rax
|
|
ret
|
|
|
|
; rcx - char
|
|
efi_putc:
|
|
push rax rdx
|
|
mov rax, [efi_table]
|
|
mov rax, [rax+EFI_SYSTEM_TABLE.ConOut]
|
|
push qword 0
|
|
mov byte [rsp], cl
|
|
mov rdx, rsp
|
|
mov rcx, rax
|
|
fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString]
|
|
add rsp, 8
|
|
pop rdx rax
|
|
ret
|
|
|
|
; rcx - number
|
|
efi_print_hex:
|
|
push rax rbx rcx rdx r8
|
|
|
|
push qword 0
|
|
push qword 0
|
|
push qword 0
|
|
push qword 0
|
|
push qword 0
|
|
|
|
; TODO maybe add '0x' to buffer
|
|
|
|
mov rdx, rcx
|
|
mov rcx, 64 ; how many nibbles in qword
|
|
xor r8, r8
|
|
@@:
|
|
sub rcx, 4
|
|
|
|
mov rbx, rdx
|
|
shr rbx, cl
|
|
and rbx, 0xf
|
|
|
|
lea rax, [hex_codes + rbx]
|
|
movzx rax, byte [rax]
|
|
mov byte [rsp + r8*2 ], al
|
|
mov byte [rsp + r8*2 + 1], 0 ; set high byte to 0 bc UEFI OutputString needs CHAR16
|
|
inc r8
|
|
|
|
test rcx, rcx
|
|
jnz @b
|
|
|
|
mov rcx, rsp
|
|
call efi_puts
|
|
|
|
pop r8 rdx rcx rbx rax
|
|
add rsp, 8*5
|
|
ret
|
|
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
proc main _efi_handle, _efi_table
|
|
mov [efi_handle], rcx
|
|
mov [efi_table], rdx
|
|
|
|
mov rcx, [rdx+EFI_SYSTEM_TABLE.ConOut]
|
|
fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.Reset], rcx, 1
|
|
test eax, eax
|
|
jnz $ ; loop if fail to init text
|
|
|
|
mov rcx, msg_firmware_vendor
|
|
call efi_puts
|
|
mov rcx, [rdx + EFI_SYSTEM_TABLE.FirmwareVendor]
|
|
call efi_puts
|
|
mov rcx, msg_newline
|
|
call efi_puts
|
|
mov rcx, msg_firmware_revision
|
|
call efi_puts
|
|
mov rcx, qword [rdx + EFI_SYSTEM_TABLE.FirmwareRevision]
|
|
call efi_print_hex
|
|
mov rcx, msg_newline
|
|
call efi_puts
|
|
|
|
mov rcx, EFI_BLUE or EFI_BACKGROUND_CYAN
|
|
call efi_set_text_color
|
|
mov rcx, msg_hello_k64_loader
|
|
call efi_puts
|
|
|
|
mov rcx, EFI_LIGHTRED
|
|
call efi_set_text_color
|
|
mov rcx, msg_2
|
|
call efi_puts
|
|
|
|
mov rcx, EFI_CYAN
|
|
call efi_set_text_color
|
|
mov rcx, 'a'
|
|
call efi_putc
|
|
mov rcx, ' '
|
|
call efi_putc
|
|
|
|
mov rcx, EFI_LIGHTGREEN
|
|
call efi_set_text_color
|
|
mov rcx, 0xCAFEBABEFEEDCAFE
|
|
call efi_print_hex
|
|
|
|
|
|
jmp $
|
|
endp
|
|
|
|
|
|
section '.data' data readable writeable
|
|
efi_handle dq 0
|
|
efi_table dq 0
|
|
hex_codes:
|
|
db '0123456789ABCDEF', 0
|
|
|
|
|
|
section '.rodata' data readable
|
|
msg_hello_k64_loader du "Hello from Kolibri64 efi loader",13,10,0
|
|
msg_2 du "Lorem ipsum ! !",13,10,0
|
|
msg_firmware_vendor du "UEFI vendor: ", 0
|
|
msg_firmware_revision du "UEFI revision: ", 0
|
|
msg_newline du 13,10,0
|
|
|
|
|
|
section '.reloc' fixups data discardable
|