1263 lines
38 KiB
NASM
1263 lines
38 KiB
NASM
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2020. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; Version 2, or (at your option) any later version. ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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format pe64 efi
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entry main
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section '.text' code executable readable
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include '../../struct.inc'
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include '../../macros.inc'
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include '../../const.inc'
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purge DQ
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include 'uefi64.inc'
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MEMORY_MAP_SIZE = 0x10000
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GOP_BUFFER_SIZE = 0x100
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LIP_BUFFER_SIZE = 0x100
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FILE_BUFFER_SIZE = 0x1000
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KERNEL_BASE = 0x10000
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RAMDISK_BASE = 0x100000
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CODE_32_SELECTOR = 8
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DATA_32_SELECTOR = 16
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CODE_64_SELECTOR = 24
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; linux/arch/x86/include/uapi/asm/e820.h
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E820_RAM = 1
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E820_RESERVED = 2
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E820_ACPI = 3
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E820_NVS = 4
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E820_UNUSABLE = 5
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E820_PMEM = 7
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load_file:
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virtual at rsp+8
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.root dq ?
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.name dq ?
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.buffer dq ?
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.size dq ?
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.fatal dq ?
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end virtual
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eficall [.root], EFI_FILE_PROTOCOL.Open, [.root], file_handle, \
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[.name], EFI_FILE_MODE_READ, 0
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test eax, eax
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jz @f
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xor eax, eax
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cmp [.fatal], 1
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jnz .done
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mov rbx, [efi_table]
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mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
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eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
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msg_error_open_file
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mov rbx, [efi_table]
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mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
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eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
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[.name]
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jmp $
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@@:
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lea rax, [.size]
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eficall [file_handle], EFI_FILE_PROTOCOL.Read, [file_handle], rax, \
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[.buffer]
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eficall [file_handle], EFI_FILE_PROTOCOL.Close, [file_handle]
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mov rax, [.size]
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.done:
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push rax
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call clearbuf
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mov rdi, msg
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call num2dec
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push rbx
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mov rbx, [efi_table]
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mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
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eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
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msg_file_size
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pop rbx
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push rbx
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mov rbx, [efi_table]
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mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
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eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, msg
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pop rbx
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pop rax
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ret 8*5
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skip_whitespace:
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.next_char:
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cmp byte[rsi], 0
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jz .done
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cmp byte[rsi], 0x20 ; ' '
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jz .whitespace
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cmp byte[rsi], 9 ; '\t'
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jz .whitespace
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jmp .done
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.whitespace:
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inc rsi
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jmp .next_char
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.done:
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ret
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skip_until_newline:
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.next_char:
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cmp byte[rsi], 0
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jz .done
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cmp byte[rsi], 0xd ; '\r'
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jz .done
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cmp byte[rsi], 0xa ; '\n'
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jz .done
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inc rsi
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jmp .next_char
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.done:
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ret
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skip_newline:
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.next_char:
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cmp byte[rsi], 0xd ; '\r'
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jz .newline
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cmp byte[rsi], 0xa ; '\n'
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jz .newline
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jmp .done
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.newline:
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inc rsi
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jmp .next_char
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.done:
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ret
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skip_line:
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call skip_until_newline
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call skip_newline
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ret
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dec2bin:
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mov edx, 0
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.next_char:
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movzx eax, byte[rsi]
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test eax, eax
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jz .done
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sub eax, '0'
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jb .done
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cmp eax, 9
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ja .done
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inc rsi
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imul edx, 10
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add edx, eax
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jmp .next_char
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.done:
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mov eax, edx
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ret
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parse_option:
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mov rbx, config_options-3*8
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.try_next_option:
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add rbx, 3*8
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mov rdi, rsi
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mov rdx, [rbx] ; option name
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test rdx, rdx
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jz .done
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.next_char:
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cmp byte[rdx], 0
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jnz @f
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cmp byte[rdi], '='
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jz .opt_name_ok
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@@:
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cmp byte[rdi], 0
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jz .done
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movzx eax, byte[rdi]
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cmp [rdx], al
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jnz .try_next_option
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inc rdi
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inc rdx
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jmp .next_char
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.opt_name_ok:
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inc rdi
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mov rsi, rdi
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call qword[rbx+8]
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.done:
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ret
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parse_line:
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.next_line:
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cmp byte[rsi], 0
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jz .done
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cmp byte[rsi], 0xd ; '\r'
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jz .skip
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cmp byte[rsi], 0xa ; '\n'
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jz .skip
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cmp byte[rsi], '#'
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jz .skip
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call parse_option
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call skip_line
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jmp .next_line
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.skip:
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call skip_line
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jmp .next_line
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.done:
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ret
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cfg_opt_func_resolution:
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call dec2bin
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xor edx, edx
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mov [rdx+BOOT_LO.x_res], ax
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cmp byte[rsi], 'x'
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jz @f
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cmp byte[rsi], '*'
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jz @f
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jmp .done
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@@:
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inc rsi
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call dec2bin
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xor edx, edx
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mov [rdx+BOOT_LO.y_res], ax
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mov [cfg_opt_used_resolution], 1
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.done:
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ret
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cfg_opt_func_acpi:
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call dec2bin
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mov [cfg_opt_used_acpi], 1
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mov [cfg_opt_value_acpi], al
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ret
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cfg_opt_func_debug_print:
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call dec2bin
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mov [cfg_opt_used_debug_print], 1
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mov [cfg_opt_value_debug_print], al
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ret
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cfg_opt_func_launcher_start:
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call dec2bin
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mov [cfg_opt_used_launcher_start], 1
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mov [cfg_opt_value_launcher_start], al
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ret
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cfg_opt_func_mtrr:
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call dec2bin
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mov [cfg_opt_used_mtrr], 1
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mov [cfg_opt_value_mtrr], al
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ret
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cfg_opt_func_ask_params:
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call dec2bin
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mov [cfg_opt_used_ask_params], 1
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mov [cfg_opt_value_ask_params], al
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ret
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cfg_opt_func_imgfrom:
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call dec2bin
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mov [cfg_opt_used_imgfrom], 1
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mov [cfg_opt_value_imgfrom], al
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ret
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cfg_opt_func_syspath:
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mov rdi, cfg_opt_value_syspath
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.next_char:
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movzx eax, byte[rsi]
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cmp al, 0xd ; \r
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jz .done
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cmp al, 0xa ; \n
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jz .done
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inc rsi
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stosb
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jmp .next_char
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.done:
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mov byte[rdi], 0
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ret
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parse_config:
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virtual at rsp+8
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.buffer dq ?
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end virtual
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; mov rsi, [.buffer]
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push rbx
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mov rbx, [efi_table]
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mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
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eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
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msg_parsing_config
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pop rbx
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mov rsi, KERNEL_BASE
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.next_line:
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call parse_line
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cmp byte[rsi], 0
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jnz .next_line
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ret 1*8
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read_options_from_config:
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mov rbx, [efi_table]
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mov rbx, [rbx+EFI_SYSTEM_TABLE.BootServices]
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eficall rbx, EFI_BOOT_SERVICES.HandleProtocol, [efi_handle], lipuuid, \
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lip_interface
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test eax, eax
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jz @f
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push rbx
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mov rbx, [efi_table]
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mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
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eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
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msg_error_efi_lip_handle
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pop rbx
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jmp $
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@@:
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mov rax, [lip_interface]
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mov rbx, [efi_table]
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mov rbx, [rbx+EFI_SYSTEM_TABLE.BootServices]
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eficall rbx, EFI_BOOT_SERVICES.HandleProtocol, \
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[rax+EFI_LOADED_IMAGE_PROTOCOL.DeviceHandle], sfspguid, \
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sfsp_interface
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test eax, eax
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jz @f
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push rbx
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mov rbx, [efi_table]
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mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
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eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
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msg_error_lip_dev_sfsp
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pop rbx
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jmp $
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@@:
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eficall [sfsp_interface], EFI_SIMPLE_FILE_SYSTEM_PROTOCOL.OpenVolume, \
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[sfsp_interface], esp_root
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test eax, eax
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jz @f
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push rbx
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mov rbx, [efi_table]
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mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
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eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
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msg_error_sfsp_openvolume
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pop rbx
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jmp $
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@@:
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push 0 ; not fatal, i.e. it's ok to not find this file
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push FILE_BUFFER_SIZE
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push KERNEL_BASE
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; push file_name
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mov rax, file_name
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push rax
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push [esp_root]
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call load_file
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test eax, eax
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jz @f
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push KERNEL_BASE
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call parse_config
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@@:
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.error:
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ret
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print_vmode:
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push rax rbx rcx rdx rsi rdi
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mov rbx, rcx
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call clearbuf
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mov eax, [rbx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.HorizontalResolution]
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mov rdi, msg
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call num2dec
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mov eax, [rbx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.VerticalResolution]
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mov rdi, msg+8*2
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call num2dec
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mov eax, [rbx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelFormat]
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mov rdi, msg+16*2
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call num2dec
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mov eax, [rbx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelsPerScanLine]
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mov rdi, msg+24*2
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call num2dec
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mov rbx, [efi_table]
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mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
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eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, msg
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pop rdi rsi rdx rcx rbx rax
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ret
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find_vmode_index_by_resolution:
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mov [cfg_opt_used_resolution], 1
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mov [cfg_opt_value_vmode], 0
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.next_mode:
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movzx eax, [cfg_opt_value_vmode]
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eficall [gop_interface], EFI_GRAPHICS_OUTPUT_PROTOCOL.QueryMode, \
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[gop_interface], rax, gop_info_size, gop_info
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cmp rax, EFI_SUCCESS
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jnz .error
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mov rcx, [gop_info]
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call print_vmode
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; PixelBlueGreenRedReserved8BitPerColor
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cmp [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelFormat], 1
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jnz .skip_mode
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xor edx, edx
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mov eax, [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.HorizontalResolution]
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cmp ax, [rdx+BOOT_LO.x_res]
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jnz .skip_mode
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mov eax, [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.VerticalResolution]
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cmp ax, [rdx+BOOT_LO.y_res]
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jnz .skip_mode
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jmp .done
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.skip_mode:
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inc [cfg_opt_value_vmode]
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movzx eax, [cfg_opt_value_vmode]
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mov rcx, [gop_interface]
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mov rdx, [rcx+EFI_GRAPHICS_OUTPUT_PROTOCOL.Mode]
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cmp eax, 8;[rdx+EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.MaxMode]
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jnz .next_mode
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mov [cfg_opt_used_resolution], 0
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mov [cfg_opt_value_ask_params], 1
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mov rbx, [efi_table]
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mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
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eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
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msg_error_no_such_vmode
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mov rbx, [efi_table]
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mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
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eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
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msg_error
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jmp $
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.error:
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.done:
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ret
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ask_for_params:
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ret
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mov rbx, [efi_table]
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mov rbx, [rbx+EFI_SYSTEM_TABLE.BootServices]
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eficall rbx, EFI_BOOT_SERVICES.HandleProtocol, [rax], gopuuid, \
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msg_ask_for_params
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jmp $
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xor ebx, ebx
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.next_mode:
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call clearbuf
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mov eax, ebx
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lea rdi, [msg]
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call num2dec
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push rbx
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eficall [gop_interface], EFI_GRAPHICS_OUTPUT_PROTOCOL.QueryMode, \
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[gop_interface], rbx, gop_info_size, gop_info
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cmp rax, EFI_SUCCESS
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jnz .error
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mov rcx, [gop_info]
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; PixelBlueGreenRedReserved8BitPerColor
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cmp [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelFormat], 1
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jnz .skip
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mov eax, [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.HorizontalResolution]
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lea rdi, [msg+4*2]
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call num2dec
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mov eax, [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.VerticalResolution]
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lea rdi, [msg+9*2]
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call num2dec
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; mov eax, [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelsPerScanLine]
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; lea rdi, [msg+14*2]
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; call num2dec
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.skip:
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mov rbx, [efi_table]
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mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
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eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, msg
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cmp rax, EFI_SUCCESS
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jnz .error
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pop rbx
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inc rbx
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mov rcx, [gop_interface]
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mov rdx, [rcx+EFI_GRAPHICS_OUTPUT_PROTOCOL.Mode]
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cmp ebx, [rdx+EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.MaxMode]
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jnz .next_mode
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mov rbx, [efi_table]
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mov rbx, [rbx+EFI_SYSTEM_TABLE.ConIn]
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eficall rbx, SIMPLE_INPUT_INTERFACE.Reset, rbx, 1
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cmp rax, EFI_SUCCESS
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jnz .error
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xor ecx, ecx
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@@:
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push rcx
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mov rbx, [efi_table]
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mov rbx, [rbx+EFI_SYSTEM_TABLE.ConIn]
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eficall rbx, SIMPLE_INPUT_INTERFACE.ReadKeyStroke, rbx, msg
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pop rcx
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mov rdx, EFI_DEVICE_ERROR
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cmp rax, rdx
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jz .error
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mov rdx, EFI_NOT_READY
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cmp rax, rdx
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jz @b
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; cmp rax, EFI_SUCCESS
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movzx eax, word[msg+2]
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;jmp .key_done
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cmp al, 0x0D
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jz .key_done
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imul ecx, 10
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sub eax, '0'
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add ecx, eax
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jmp @b
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.key_done:
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mov [cfg_opt_value_vmode], cl
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.error:
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.done:
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ret
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|
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main:
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|
mov [efi_handle], rcx
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mov [efi_table], rdx
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mov rbx, [efi_table]
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mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
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eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.Reset, rbx, 1
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test eax, eax
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jz @f
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jmp $ ; what can I do here?
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|
@@:
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mov rbx, [efi_table]
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mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
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eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
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msg_u4k_loaded
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mov rbx, [efi_table]
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mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
|
|
eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
|
|
msg_read_options
|
|
call read_options_from_config
|
|
|
|
; read kernel file
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
|
|
eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
|
|
msg_load_kernel
|
|
push 1
|
|
push -1
|
|
push KERNEL_BASE
|
|
; push kernel_name
|
|
mov rax, kernel_name
|
|
push rax
|
|
push [esp_root]
|
|
call load_file
|
|
|
|
; read ramdisk image
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
|
|
eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
|
|
msg_load_ramdisk
|
|
push 1
|
|
push -1
|
|
push RAMDISK_BASE
|
|
; push ramdisk_name
|
|
mov rax, ramdisk_name
|
|
push rax
|
|
push [esp_root]
|
|
call load_file
|
|
|
|
; alloc buffer for devices.dat
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
|
|
eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
|
|
msg_alloc_devicesdat
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.BootServices]
|
|
eficall rbx, EFI_BOOT_SERVICES.AllocatePages, \
|
|
EFI_ALLOCATE_MAX_ADDRESS, EFI_RESERVED_MEMORY_TYPE, 1, \
|
|
devicesdat_data
|
|
cmp eax, EFI_SUCCESS
|
|
jnz .error
|
|
|
|
; read devices.dat
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
|
|
eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
|
|
msg_load_devicesdat
|
|
|
|
push 0 ; not fatal
|
|
push [devicesdat_size]
|
|
push [devicesdat_data]
|
|
; push devicesdat_name
|
|
mov rax, devicesdat_name
|
|
push rax
|
|
push [esp_root]
|
|
call load_file
|
|
mov [devicesdat_size], rax
|
|
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
|
|
eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
|
|
msg_locate_gop_handlers
|
|
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.BootServices]
|
|
eficall rbx, EFI_BOOT_SERVICES.LocateHandle, \
|
|
EFI_LOCATE_SEARCH_TYPE.ByProtocol, gopuuid, 0, \
|
|
gop_buffer_size, gop_buffer
|
|
mov [status], rax
|
|
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
|
|
eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
|
|
msg_gop_buffer_size
|
|
call clearbuf
|
|
mov rax, [gop_buffer_size]
|
|
mov rdi, msg
|
|
call num2hex
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
|
|
eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, msg
|
|
|
|
mov rax, [status]
|
|
test eax, eax
|
|
jz @f
|
|
call clearbuf
|
|
mov rdi, msg
|
|
call num2hex
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
|
|
eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
|
|
msg_error
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
|
|
eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, msg
|
|
jmp $
|
|
@@:
|
|
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
|
|
eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
|
|
msg_look_for_gop_handler
|
|
|
|
mov rbx, gop_buffer
|
|
.next_gop_handle:
|
|
mov rax, rbx
|
|
mov rcx, gop_buffer
|
|
sub rax, rcx
|
|
cmp rax, [gop_buffer_size]
|
|
jb @f
|
|
push rbx
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
|
|
eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
|
|
msg_error_out_of_handlers
|
|
pop rbx
|
|
push rbx
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
|
|
eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, msg_error
|
|
pop rbx
|
|
jmp $
|
|
@@:
|
|
push rbx
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
|
|
eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
|
|
msg_query_handler
|
|
pop rbx
|
|
|
|
mov rax, rbx
|
|
push rbx
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.BootServices]
|
|
eficall rbx, EFI_BOOT_SERVICES.HandleProtocol, [rax], gopuuid, \
|
|
gop_interface
|
|
pop rbx
|
|
;mov rax, 0x8000_0000_0000_0003
|
|
test eax, eax
|
|
jz @f
|
|
call clearbuf
|
|
mov rdi, msg
|
|
call num2hex
|
|
push rbx
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
|
|
eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, msg
|
|
pop rbx
|
|
|
|
add rbx, 8
|
|
jmp .next_gop_handle
|
|
@@:
|
|
|
|
call find_rsdp
|
|
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
|
|
eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
|
|
msg_acpi_tables_done
|
|
|
|
cmp [cfg_opt_used_resolution], 0
|
|
jz .not_used_resolution
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
|
|
eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
|
|
msg_opt_resolution
|
|
call clearbuf
|
|
xor edx, edx
|
|
movzx eax, [rdx+BOOT_LO.x_res]
|
|
mov rdi, msg
|
|
call num2dec
|
|
xor edx, edx
|
|
movzx eax, [rdx+BOOT_LO.y_res]
|
|
mov rdi, msg+8*2
|
|
call num2dec
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
|
|
eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, msg
|
|
call find_vmode_index_by_resolution
|
|
.not_used_resolution:
|
|
cmp [cfg_opt_used_debug_print], 0
|
|
jz .not_used_debug_print
|
|
movzx eax, [cfg_opt_value_debug_print]
|
|
xor edx, edx
|
|
mov [rdx+BOOT_LO.debug_print], al
|
|
.not_used_debug_print:
|
|
|
|
cmp [cfg_opt_value_ask_params], 0
|
|
jz @f
|
|
call ask_for_params
|
|
@@:
|
|
|
|
; call calc_memmap
|
|
; call dump_memmap
|
|
|
|
movzx ecx, [cfg_opt_value_vmode]
|
|
eficall [gop_interface], EFI_GRAPHICS_OUTPUT_PROTOCOL.SetMode, \
|
|
[gop_interface], rcx
|
|
test eax, eax
|
|
jz @f
|
|
call clearbuf
|
|
mov rdi, msg
|
|
call num2hex
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
|
|
eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, msg
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
|
|
eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
|
|
msg_error
|
|
jmp $
|
|
@@:
|
|
|
|
mov rcx, [gop_interface]
|
|
mov rdx, [rcx+EFI_GRAPHICS_OUTPUT_PROTOCOL.Mode]
|
|
mov rdi, [rdx+EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.FrameBufferBase]
|
|
mov [fb_base], rdi
|
|
|
|
mov ebx, [rdx+EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.Mode]
|
|
eficall [gop_interface], EFI_GRAPHICS_OUTPUT_PROTOCOL.QueryMode, \
|
|
[gop_interface], rbx, gop_info_size, gop_info
|
|
test eax, eax
|
|
jz @f
|
|
jmp .error
|
|
@@:
|
|
mov rcx, [gop_info]
|
|
mov eax, [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.HorizontalResolution]
|
|
xor rdx, rdx
|
|
mov [rdx+BOOT_LO.x_res], ax
|
|
mov eax, [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.VerticalResolution]
|
|
mov [rdx+BOOT_LO.y_res], ax
|
|
mov eax, [rcx+EFI_GRAPHICS_OUTPUT_MODE_INFORMATION.PixelsPerScanLine]
|
|
shl eax, 2
|
|
mov [rdx+BOOT_LO.pitch], ax
|
|
|
|
mov byte[rdx+BOOT_LO.pci_data+0], 1 ; PCI access mechanism
|
|
mov byte[rdx+BOOT_LO.pci_data+1], 8 ; last bus, don't know how to count them
|
|
mov byte[rdx+BOOT_LO.pci_data+2], 0x10 ; PCI version
|
|
mov byte[rdx+BOOT_LO.pci_data+3], 0x02
|
|
mov dword[rdx+BOOT_LO.pci_data+4], 0xe3
|
|
|
|
; kernel
|
|
; eficall BootServices, AllocatePages, EFI_RESERVED_MEMORY_TYPE, \
|
|
; 450000/0x1000, EFI_ALLOCATE_ADDRESS
|
|
|
|
; ramdisk
|
|
; eficall BootServices, AllocatePages, EFI_RESERVED_MEMORY_TYPE, \
|
|
; 2880*512/0x1000, EFI_ALLOCATE_ADDRESS
|
|
|
|
call calc_memmap
|
|
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.BootServices]
|
|
eficall rbx, EFI_BOOT_SERVICES.ExitBootServices, [efi_handle], \
|
|
[memory_map_key]
|
|
call halt_on_error
|
|
|
|
cli
|
|
|
|
xor edx, edx
|
|
xor esi, esi
|
|
mov [esi+BOOT_LO.bpp], 32
|
|
mov [esi+BOOT_LO.vesa_mode], dx
|
|
mov [esi+BOOT_LO.bank_switch], edx
|
|
mov rdi, [fb_base]
|
|
mov [esi+BOOT_LO.lfb], edi
|
|
|
|
movzx eax, [cfg_opt_value_mtrr]
|
|
mov [esi+BOOT_LO.mtrr], al
|
|
|
|
movzx eax, [cfg_opt_value_launcher_start]
|
|
mov [esi+BOOT_LO.launcher_start], al
|
|
|
|
movzx eax, [cfg_opt_value_debug_print]
|
|
mov [esi+BOOT_LO.debug_print], al
|
|
|
|
mov [esi+BOOT_LO.dma], dl
|
|
; mov qword[esi+BOOT_LO.pci_data], 0
|
|
mov [esi+BOOT_LO.apm_entry], edx
|
|
mov [esi+BOOT_LO.apm_version], dx
|
|
mov [esi+BOOT_LO.apm_flags], dx
|
|
mov [esi+BOOT_LO.apm_code_32], dx
|
|
mov [esi+BOOT_LO.apm_code_16], dx
|
|
mov [esi+BOOT_LO.apm_data_16], dx
|
|
mov [esi+BOOT_LO.bios_hd_cnt], dl
|
|
|
|
movzx eax, [cfg_opt_value_imgfrom]
|
|
mov [esi+BOOT_LO.rd_load_from], al
|
|
|
|
mov eax, dword[devicesdat_size]
|
|
mov [rdx+BOOT_LO.devicesdat_size], eax
|
|
mov eax, dword[devicesdat_data]
|
|
mov [rdx+BOOT_LO.devicesdat_data], eax
|
|
|
|
mov rsi, cfg_opt_value_syspath
|
|
mov rdi, BOOT_LO.syspath
|
|
mov ecx, 0x17
|
|
rep movsb
|
|
|
|
lgdt [cs:GDTR]
|
|
|
|
mov ax, DATA_32_SELECTOR
|
|
mov ds, ax
|
|
mov es, ax
|
|
mov fs, ax
|
|
mov gs, ax
|
|
mov ss, ax
|
|
|
|
push CODE_32_SELECTOR
|
|
lea rax, [.next]
|
|
push rax
|
|
retf
|
|
use32
|
|
align 16
|
|
.next:
|
|
mov eax, cr0
|
|
and eax, not CR0_PG
|
|
mov cr0, eax
|
|
|
|
mov ecx, MSR_AMD_EFER
|
|
rdmsr
|
|
btr eax, 8 ; LME
|
|
wrmsr
|
|
|
|
mov eax, cr4
|
|
and eax, not CR4_PAE
|
|
mov cr4, eax
|
|
|
|
push KERNEL_BASE
|
|
retn
|
|
|
|
use64
|
|
.error:
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
|
|
eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
|
|
msg_error
|
|
jmp $
|
|
|
|
|
|
halt_on_error:
|
|
push rax rbx rcx rdx rsi rdi
|
|
test eax, eax
|
|
jz @f
|
|
call clearbuf
|
|
mov rdi, msg
|
|
call num2hex
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
|
|
eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
|
|
msg_error
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
|
|
eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, msg
|
|
jmp $
|
|
@@:
|
|
pop rdi rsi rdx rcx rbx rax
|
|
ret
|
|
|
|
find_rsdp:
|
|
push rbx
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
|
|
eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
|
|
msg_look_for_rsdp
|
|
pop rbx
|
|
|
|
mov rbx, [efi_table]
|
|
mov rdi, [rbx+EFI_SYSTEM_TABLE.ConfigurationTable]
|
|
mov rcx, [rbx+EFI_SYSTEM_TABLE.NumberOfTableEntries]
|
|
mov rax, 0x11d3e4f18868e871
|
|
mov rdx, 0x81883cc7800022bc
|
|
.next_table:
|
|
dec ecx
|
|
js .all_tables_done
|
|
cmp [rdi+0], rax
|
|
jnz .not_acpi20
|
|
cmp [rdi+8], rdx
|
|
jnz .not_acpi20
|
|
mov rax, [rdi+16]
|
|
mov rdx, BOOT_LO.acpi_rsdp
|
|
mov [rdx], eax
|
|
jmp .all_tables_done
|
|
.not_acpi20:
|
|
add rdi, 24
|
|
jmp .next_table
|
|
.all_tables_done:
|
|
ret
|
|
|
|
calc_memmap:
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.BootServices]
|
|
eficall rbx, EFI_BOOT_SERVICES.AllocatePages, EFI_ALLOCATE_ANY_PAGES, \
|
|
EFI_RESERVED_MEMORY_TYPE, MEMORY_MAP_SIZE/0x1000, memory_map
|
|
call halt_on_error
|
|
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.BootServices]
|
|
eficall rbx, EFI_BOOT_SERVICES.GetMemoryMap, memory_map_size, \
|
|
[memory_map], memory_map_key, descriptor_size, descriptor_ver
|
|
call halt_on_error
|
|
|
|
mov rdi, BOOT_LO.memmap_block_cnt
|
|
mov dword[rdi], 0
|
|
mov rdi, BOOT_LO.memmap_blocks
|
|
mov rax, [memory_map_size]
|
|
xor edx, edx
|
|
mov rcx, [descriptor_size]
|
|
div ecx
|
|
mov ecx, eax
|
|
cmp ecx, MAX_MEMMAP_BLOCKS
|
|
jbe @f
|
|
mov ecx, MAX_MEMMAP_BLOCKS
|
|
@@:
|
|
xor eax, eax
|
|
mov [rax+BOOT_LO.memmap_block_cnt], 0
|
|
mov rsi, [memory_map]
|
|
.next_descr:
|
|
call add_uefi_memmap
|
|
add rsi, [descriptor_size]
|
|
add rdi, sizeof.e820entry
|
|
dec ecx
|
|
jnz .next_descr
|
|
ret
|
|
|
|
dump_memmap:
|
|
xor eax, eax
|
|
mov rsi, BOOT_LO.memmap_blocks
|
|
mov ebx, [rax+BOOT_LO.memmap_block_cnt]
|
|
|
|
call clearbuf
|
|
mov eax, ebx
|
|
mov rdi, msg
|
|
call num2dec
|
|
push rbx
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
|
|
eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, \
|
|
msg_memmap
|
|
pop rbx
|
|
push rbx
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
|
|
eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, msg
|
|
pop rbx
|
|
call clearbuf
|
|
.next_mapping:
|
|
dec ebx
|
|
js .done
|
|
mov rax, rsi
|
|
mov rcx, BOOT_LO.memmap_blocks
|
|
sub rax, rcx
|
|
mov ecx, sizeof.e820entry
|
|
xor edx, edx
|
|
div ecx
|
|
mov rdi, msg
|
|
call num2dec
|
|
mov rax, [rsi+e820entry.addr]
|
|
mov rdi, msg+4*2
|
|
call num2hex
|
|
mov rax, [rsi+e820entry.size]
|
|
mov rdi, msg+24*2
|
|
call num2hex
|
|
push rbx
|
|
mov rbx, [efi_table]
|
|
mov rbx, [rbx+EFI_SYSTEM_TABLE.ConOut]
|
|
eficall rbx, EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString, rbx, msg
|
|
pop rbx
|
|
add rsi, sizeof.e820entry
|
|
jmp .next_mapping
|
|
.done:
|
|
ret
|
|
|
|
|
|
; linux/arch/x86/platform/efi/efi.c
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; do_add_efi_memmap
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add_uefi_memmap:
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push rax rbx rcx rdx rsi rdi
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mov r10d, [rsi+EFI_MEMORY_DESCRIPTOR.Type]
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mov r11, [rsi+EFI_MEMORY_DESCRIPTOR.PhysicalStart]
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mov r13, [rsi+EFI_MEMORY_DESCRIPTOR.NumberOfPages]
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mov r14, [rsi+EFI_MEMORY_DESCRIPTOR.Attribute]
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mov [rdi+e820entry.addr], r11
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mov rax, r13
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shl rax, 12
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mov [rdi+e820entry.size], rax
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cmp r10d, EFI_LOADER_CODE
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jz .case0
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cmp r10d, EFI_LOADER_DATA
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jz .case0
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cmp r10d, EFI_BOOT_SERVICES_CODE
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jz .case0
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cmp r10d, EFI_BOOT_SERVICES_DATA
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jz .case0
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cmp r10d, EFI_CONVENTIONAL_MEMORY
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jz .case0
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cmp r10d, EFI_ACPI_RECLAIM_MEMORY
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jz .case1
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cmp r10d, EFI_ACPI_MEMORY_NVS
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jz .case2
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cmp r10d, EFI_UNUSABLE_MEMORY
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jz .case3
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cmp r10d, EFI_PERSISTENT_MEMORY
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jz .case4
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jmp .default
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.case0:
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test r14, EFI_MEMORY_WB
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jz @f
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mov eax, E820_RAM
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jmp .done
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@@:
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mov eax, E820_RESERVED
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jmp .done
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.case1:
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mov eax, E820_ACPI
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jmp .done
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.case2:
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mov eax, E820_NVS
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jmp .done
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.case3:
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mov eax, E820_UNUSABLE
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jmp .done
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.case4:
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mov eax, E820_PMEM
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jmp .done
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.default:
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mov eax, E820_RESERVED
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jmp .done
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.done:
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mov [rdi+e820entry.type], eax
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mov rax, BOOT_LO.memmap_block_cnt
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inc word[rax]
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pop rdi rsi rdx rcx rbx rax
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ret
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num2dec:
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push rax rbx rcx rdx rsi rdi
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xor ecx, ecx
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mov ebx, 10
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.next_digit:
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xor edx, edx
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div ebx
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push rdx
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inc ecx
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test eax, eax
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jnz .next_digit
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.next_char:
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pop rax
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add eax, '0'
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stosw
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loop .next_char
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pop rdi rsi rdx rcx rbx rax
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ret
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num2hex:
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push rax rbx rcx rdx rsi rdi
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xchg rdx, rax
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mov ecx, 16
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.next_tetra:
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rol rdx, 4
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movzx eax, dl
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and eax, 0x0f
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movzx eax, byte[hex+eax]
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stosw
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loop .next_tetra
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pop rdi rsi rdx rcx rbx rax
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ret
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hex db '0123456789ABCDEF'
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clearbuf:
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push rax rbx rcx rdx rsi rdi
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mov eax, 0x0020
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mov ecx, 79
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mov rdi, msg
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rep stosw
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pop rdi rsi rdx rcx rbx rax
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ret
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section '.data' data readable writeable
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efi_handle dq 0
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efi_table dq 0
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uefi_rsptmp dq 0
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GDTR:
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dw 4*8-1
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dq GDT
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GDT:
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dw 0, 0, 0, 0
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dw 0FFFFh,0,9A00h,0CFh ; 32-bit code
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dw 0FFFFh,0,9200h,0CFh ; flat data
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dw 0FFFFh,0,9A00h,0AFh ; 64-bit code
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fb_base dq 0
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gopuuid db EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID
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gop_buffer_size dq GOP_BUFFER_SIZE
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gop_handle dq 0
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gop_interface dq 0
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gop_info_size dq 0
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gop_info dq 0
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lipuuid db EFI_LOADED_IMAGE_PROTOCOL_GUID
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lip_buffer_size dq LIP_BUFFER_SIZE
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lip_handle dq 0
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lip_interface dq 0
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sfspguid db EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID
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sfsp_interface dq 0
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esp_root dq ?
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file_handle dq ?
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file_name du '\EFI\KOLIBRIOS\KOLIBRI.INI',0
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kernel_name du '\EFI\KOLIBRIOS\KOLIBRI.KRN',0
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ramdisk_name du '\EFI\KOLIBRIOS\KOLIBRI.IMG',0
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devicesdat_name du '\EFI\KOLIBRIOS\DEVICES.DAT',0
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file_buffer_size dq FILE_BUFFER_SIZE-1 ; leave the last byte for \0
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config_options dq cfg_opt_name_resolution, cfg_opt_func_resolution, \
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cfg_opt_cmnt_resolution, \
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cfg_opt_name_acpi, cfg_opt_func_acpi, cfg_opt_cmnt_acpi, \
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cfg_opt_name_debug_print, cfg_opt_func_debug_print, \
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cfg_opt_cmnt_debug_print, \
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cfg_opt_name_launcher_start, cfg_opt_func_launcher_start, \
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cfg_opt_cmnt_launcher_start, \
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cfg_opt_name_mtrr, cfg_opt_func_mtrr, cfg_opt_cmnt_mtrr, \
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cfg_opt_name_ask_params, cfg_opt_func_ask_params, \
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cfg_opt_cmnt_ask_params, \
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cfg_opt_name_imgfrom, cfg_opt_func_imgfrom, \
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cfg_opt_cmnt_imgfrom, \
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cfg_opt_name_syspath, cfg_opt_func_syspath, \
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cfg_opt_cmnt_syspath, \
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0
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cfg_opt_name_resolution db "resolution",0
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cfg_opt_name_acpi db "acpi",0
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cfg_opt_name_debug_print db "debug_print",0
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cfg_opt_name_launcher_start db "launcher_start",0
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cfg_opt_name_mtrr db "mtrr",0
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cfg_opt_name_ask_params db "ask_params",0
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cfg_opt_name_imgfrom db "imgfrom",0
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cfg_opt_name_syspath db "syspath",0
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cfg_opt_cmnt_resolution db "# Graphic mode",0
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cfg_opt_cmnt_acpi db "# ACPI settings",0xa, \
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"# 0: don't use",0xa, \
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"# 1: parse ACPI tables",0xa, \
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"# 2: + call _PIC method",0xa, \
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"# 3: + get APIC interrupts",0xa,0
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cfg_opt_cmnt_debug_print db "# Duplicate debug output to the screen",0
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cfg_opt_cmnt_launcher_start db "# Start LAUNCHER app after kernel is loaded",0
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cfg_opt_cmnt_mtrr db "# Configure MTRR's",0
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cfg_opt_cmnt_ask_params db "# Interrupt booting to ask the user for boot", \
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" params",0
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cfg_opt_cmnt_imgfrom db "# Where to load ramdisk image from",0
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cfg_opt_cmnt_syspath db "# Path to /sys directory",0
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cfg_opt_used_resolution db 0
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cfg_opt_used_acpi db 0
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cfg_opt_used_debug_print db 0
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cfg_opt_used_launcher_start db 0
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cfg_opt_used_mtrr db 0
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cfg_opt_used_ask_params db 0
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cfg_opt_used_imgfrom db 0
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cfg_opt_used_syspath db 0
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cfg_opt_value_vmode db 0
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cfg_opt_value_acpi db 0
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cfg_opt_value_debug_print db 0
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cfg_opt_value_launcher_start db 1
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cfg_opt_value_mtrr db 0
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cfg_opt_value_ask_params db 0
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cfg_opt_value_imgfrom db RD_LOAD_FROM_MEMORY
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cfg_opt_value_syspath db "/RD/1",0
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rb 20
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memory_map_key dq 0
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descriptor_size dq 0
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descriptor_ver dq 0
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memory_map_size dq MEMORY_MAP_SIZE
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msg_u4k_loaded du "uefi64kos loaded",13,10,0
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msg_read_options du "Read options from config file",13,10,0
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msg_file_size du "File size:",13,10,0
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msg_parsing_config du "Parsing config file",13,10,0
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msg_load_kernel du "Load kernel",13,10,0
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msg_load_ramdisk du "Load ramdisk",13,10,0
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msg_load_devicesdat du "Load DEVICES.DAT",13,10,0
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msg_alloc_devicesdat du "Allocate memory for DEVICES.DAT",13,10,0
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msg_locate_gop_handlers du "Locate GOP handlers",13,10,0
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msg_look_for_gop_handler du "Look for GOP handler",13,10,0
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msg_query_handler du "Query handler",13,10,0
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msg_query_vmode du "Query vmode",13,10,0
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msg_vmode_found du "Video mode found",13,10,0
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msg_look_for_rsdp du "Look for RSDP",13,10,0
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msg_rsdp_found du "RSDP found",13,10,0
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msg_acpi_tables_done du "ACPI tables done",13,10,0
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msg_ask_for_params du "Ask for params",13,10,0
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msg_set_graphic_mode du "Set graphic mode",13,10,0
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msg_success du "Success!",13,10,0
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msg_gop_buffer_size du "GOP buffer size",13,10,0
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msg_opt_resolution du "Option resolution: ",0
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msg_memmap du "Memmap",13,10,0
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msg_error du "Error!",13,10,0
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msg_error_efi_lip_handle du "efi_handle can't handle LIP",13,10,0
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msg_error_lip_dev_sfsp du "LIP device handle can't handle SFSP",13,10,0
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msg_error_sfsp_openvolume du "SFSP OpenVolume failed",13,10,0
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msg_error_no_such_vmode du "No such vmode",13,10,0
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msg_error_out_of_handlers du "Out of handlers",13,10,0
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msg_error_open_file du "Error: can't open file ",0
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msg_error_exit_boot_services du "Error: Exit boot services",13,10,0
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msg du 79 dup " ",13,10,0
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efi_fs_info_id db EFI_FILE_SYSTEM_INFO_ID
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efi_fs_info_size dq sizeof.EFI_FILE_SYSTEM_INFO
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efi_fs_info EFI_FILE_SYSTEM_INFO
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memory_map dq ?
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gop_buffer rq GOP_BUFFER_SIZE/8
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devicesdat_data dq 0xffffffff
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devicesdat_size dq 0x1000
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status dq ?
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section '.reloc' fixups data discardable
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