#------------------------------------------------------------------------------\r
#*\r
-#* Copyright 2006 - 2007, Intel Corporation \r
-#* All rights reserved. This program and the accompanying materials \r
+#* Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>\r
+#* This program and the accompanying materials \r
#* are licensed and made available under the terms and conditions of the BSD License \r
#* which accompanies this distribution. The full text of the license may be found at \r
#* http://opensource.org/licenses/bsd-license.php \r
.equ BLOCK_SHIFT, 9\r
\r
.org 0x0\r
+\r
+.global _start\r
+_start:\r
+\r
Ia32Jump: \r
jmp BootSectorEntryPoint # JMP inst - 3 bytes\r
nop\r
NoVarStore: \r
pushw %es\r
# Set the 5th byte start @ 0:19000 to non-zero indicating we should init var store header in DxeIpl\r
- movb %al, %es:(4)\r
+ movb %al, %es:(4)\r
jmp SaveVolumeId\r
\r
CheckVarStoreSize: \r
movw $18,%cx\r
jmp PrintStringAndHalt\r
CheckEm64TPass: \r
-jumpFarInstruction: \r
+JumpFarInstruction: \r
.byte 0xea\r
-jumpOffset: \r
+JumpOffset: \r
.word 0x200\r
-jumpSegment: \r
+JumpSegment: \r
.word 0x2000\r
\r
\r
movw $0x7bfc,%bp # bp = 0x7bfc\r
movl %esi,%eax # eax = Start LBA\r
xorl %edx,%edx # edx = 0\r
- movzwl (%bp), %ebx # bx = MaxSector\r
+ movzwl (%bp), %ebx # bx = MaxSector\r
divl %ebx # ax = StartLBA / MaxSector\r
incw %dx # dx = (StartLBA % MaxSector) + 1\r
\r
MemMapDone: \r
leal MemoryMap, %eax\r
subl %eax,%edi # Get the address of the memory map\r
- movl %edi, MemoryMapSize # Save the size of the memory map\r
+ movl %edi, MemoryMapSize # Save the size of the memory map\r
\r
xorl %ebx,%ebx\r
movw %cs,%bx # BX=segment\r
\r
leal OffsetIn32BitProtectedMode, %eax\r
addl $0x20000+0x6,%eax\r
- movl %eax, OffsetIn32BitProtectedMode \r
+ movl %eax, OffsetIn32BitProtectedMode \r
\r
leal OffsetInLongMode, %eax\r
addl $0x20000+0x6,%eax\r
#\r
# Enable Protect Mode (set CR0.PE=1)\r
#\r
- movl $cr0, %eax # Read CR0.\r
+ movl %cr0, %eax # Read CR0.\r
orl $0x1,%eax # Set PE=1\r
movl %eax, %cr0 # Write CR0.\r
.byte 0x66\r
#\r
# Enable paging to activate long mode (set CR0.PG=1)\r
#\r
- movl $cr0, %eax # Read CR0.\r
+ movl %cr0, %eax # Read CR0.\r
.byte 0xf\r
.byte 0xba\r
.byte 0xe8\r
\r
.p2align 1\r
\r
- gdtr: .long GDT_END - GDT_BASE - 1 # GDT limit \r
+ gdtr: .word GDT_END - GDT_BASE - 1 # GDT limit \r
.long 0 # (GDT base gets set above)\r
##############################################################################\r
# global descriptor table (GDT)\r
IDT_BASE: \r
# divide by zero (INT 0)\r
.equ DIV_ZERO_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# debug exception (INT 1)\r
.equ DEBUG_EXCEPT_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# NMI (INT 2)\r
.equ NMI_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# soft breakpoint (INT 3)\r
.equ BREAKPOINT_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# overflow (INT 4)\r
.equ OVERFLOW_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# bounds check (INT 5)\r
.equ BOUNDS_CHECK_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# invalid opcode (INT 6)\r
.equ INVALID_OPCODE_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# device not available (INT 7)\r
.equ DEV_NOT_AVAIL_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# double fault (INT 8)\r
.equ DOUBLE_FAULT_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# Coprocessor segment overrun - reserved (INT 9)\r
.equ RSVD_INTR_SEL1, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# invalid TSS (INT 0ah)\r
.equ INVALID_TSS_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# segment not present (INT 0bh)\r
.equ SEG_NOT_PRESENT_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# stack fault (INT 0ch)\r
.equ STACK_FAULT_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# general protection (INT 0dh)\r
.equ GP_FAULT_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# page fault (INT 0eh)\r
.equ PAGE_FAULT_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# Intel reserved - do not use (INT 0fh)\r
.equ RSVD_INTR_SEL2, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# floating point error (INT 10h)\r
.equ FLT_POINT_ERR_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# alignment check (INT 11h)\r
.equ ALIGNMENT_CHECK_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# machine check (INT 12h)\r
.equ MACHINE_CHECK_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# SIMD floating-point exception (INT 13h)\r
.equ SIMD_EXCEPTION_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# 85 unspecified descriptors, First 12 of them are reserved, the rest are avail\r
- .fill 85 * 16, 1, 0 # db (85 * 16) dup(0)\r
+ .fill 85 * 16, 1, 0 # db (85 * 16) dup(0)\r
\r
# IRQ 0 (System timer) - (INT 68h)\r
.equ IRQ0_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# IRQ 1 (8042 Keyboard controller) - (INT 69h)\r
.equ IRQ1_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# Reserved - IRQ 2 redirect (IRQ 2) - DO NOT USE!!! - (INT 6ah)\r
.equ IRQ2_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# IRQ 3 (COM 2) - (INT 6bh)\r
.equ IRQ3_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# IRQ 4 (COM 1) - (INT 6ch)\r
.equ IRQ4_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# IRQ 5 (LPT 2) - (INT 6dh)\r
.equ IRQ5_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# IRQ 6 (Floppy controller) - (INT 6eh)\r
.equ IRQ6_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# IRQ 7 (LPT 1) - (INT 6fh)\r
.equ IRQ7_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# IRQ 8 (RTC Alarm) - (INT 70h)\r
.equ IRQ8_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# IRQ 9 - (INT 71h)\r
.equ IRQ9_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# IRQ 10 - (INT 72h)\r
.equ IRQ10_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# IRQ 11 - (INT 73h)\r
.equ IRQ11_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# IRQ 12 (PS/2 mouse) - (INT 74h)\r
.equ IRQ12_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# IRQ 13 (Floating point error) - (INT 75h)\r
.equ IRQ13_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# IRQ 14 (Secondary IDE) - (INT 76h)\r
.equ IRQ14_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
# IRQ 15 (Primary IDE) - (INT 77h)\r
.equ IRQ15_SEL, .-IDT_BASE\r
- .word 0 # offset 15:0\r
+ .word 0 # offset 15:0\r
.long SYS_CODE64_SEL # selector 15:0\r
.byte 0 # 0 for interrupt gate\r
.byte 0x0e | 0x80 # type = 386 interrupt gate, present\r
- .word 0 # offset 31:16\r
- .long 0 # offset 63:32\r
- .long 0 # 0 for reserved\r
+ .word 0 # offset 31:16\r
+ .long 0 # offset 63:32\r
+ .long 0 # 0 for reserved\r
\r
IDT_END: \r
\r
.long 0,0,0,0,0,0,0,0\r
.long 0,0,0,0,0,0,0,0\r
\r
- .long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0\r
.long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0\r
\r
- #.org 0x0fe0 #Just for pass build\r
+ .org 0x0fe0\r
MyStack: \r
# below is the pieces of the IVT that is used to redirect INT 68h - 6fh\r
# back to INT 08h - 0fh when in real mode... It is 'org'ed to a\r
iret\r
\r
\r
- #.org 0x0ffe #Just for pass build\r
+ .org 0x0ffe\r
BlockSignature: \r
.word 0xaa55\r
\r
projects / mirror_edk2.git / blobdiff