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[FREELDR/x64] Add Multiboot header

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Daniel Victor 2024-10-07 15:33:37 -03:00 • committed by Timo Kreuzer
parent 398486f5f6
commit b524c18a3e
4 changed files with 74 additions and 52 deletions
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17
sdk/include/asm/asm.inc
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@ -172,6 +172,8 @@ ENDM
.skip size, fill
ENDM
#define lXdtPrefix fword ptr
ljmp MACRO segment, offset
DB 0EAh
DD offset
@ -320,12 +322,23 @@ ENDM
#define REPEAT .rept
#define ENDR .endr
#define lXdtPrefix
.macro ljmp segment, offset
jmp far ptr \segment:\offset
.byte 0xEA
.long offset
.word segment
.endm
.macro ljmp16 segment, offset
jmp far ptr \segment:\offset
.byte 0xEA
.word offset
.word segment
.endm
.macro data32 opcode:vararg
.byte 0x66
opcode
.endm
.macro retf