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diff --git a/DuetPkg/CpuDxe/X64/CpuInterrupt.asm b/DuetPkg/CpuDxe/X64/CpuInterrupt.asm
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--- a/DuetPkg/CpuDxe/X64/CpuInterrupt.asm
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@@ -1,938 +0,0 @@
- TITLE CpuInterrupt.asm:
-;------------------------------------------------------------------------------
-;*
-;* Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
-;* This program and the accompanying materials
-;* are licensed and made available under the terms and conditions of the BSD License
-;* which accompanies this distribution. The full text of the license may be found at
-;* http://opensource.org/licenses/bsd-license.php
-;*
-;* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-;* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-;*
-;* CpuInterrupt.asm
-;*
-;* Abstract:
-;*
-;------------------------------------------------------------------------------
-
-EXTERNDEF mExceptionCodeSize:DWORD
-
-.code
-
-EXTERN TimerHandler: FAR
-EXTERN ExceptionHandler: NEAR
-EXTERN mTimerVector: QWORD
-
-mExceptionCodeSize DD 9
-
-InitDescriptor PROC
- lea rax, [GDT_BASE] ; RAX=PHYSICAL address of gdt
- mov qword ptr [gdtr + 2], rax ; Put address of gdt into the gdtr
- lgdt fword ptr [gdtr]
- mov rax, 18h
- mov gs, rax
- mov fs, rax
- lea rax, [IDT_BASE] ; RAX=PHYSICAL address of idt
- mov qword ptr [idtr + 2], rax ; Put address of idt into the idtr
- lidt fword ptr [idtr]
- ret
-InitDescriptor ENDP
-
-; VOID
-; InstallInterruptHandler (
-; UINTN Vector, // rcx
-; void (*Handler)(void) // rdx
-; )
-InstallInterruptHandler PROC
- push rbx
- pushfq ; save eflags
- cli ; turn off interrupts
- sub rsp, 10h ; open some space on the stack
- mov rbx, rsp
- sidt [rbx] ; get fword address of IDT
- mov rbx, [rbx+2] ; move offset of IDT into RBX
- add rsp, 10h ; correct stack
- mov rax, rcx ; Get vector number
- shl rax, 4 ; multiply by 16 to get offset
- add rbx, rax ; add to IDT base to get entry
- mov rax, rdx ; load new address into IDT entry
- mov word ptr [rbx], ax ; write bits 15..0 of offset
- shr rax, 16 ; use ax to copy 31..16 to descriptors
- mov word ptr [rbx+6], ax ; write bits 31..16 of offset
- shr rax, 16 ; use eax to copy 63..32 to descriptors
- mov dword ptr [rbx+8], eax ; write bits 63..32 of offset
- popfq ; restore flags (possible enabling interrupts)
- pop rbx
- ret
-
-InstallInterruptHandler ENDP
-
-JmpCommonIdtEntry macro
- ; jmp commonIdtEntry - this must be hand coded to keep the assembler from
- ; using a 8 bit reletive jump when the entries are
- ; within 255 bytes of the common entry. This must
- ; be done to maintain the consistency of the size
- ; of entry points...
- db 0e9h ; jmp 16 bit reletive
- dd commonIdtEntry - $ - 4 ; offset to jump to
-endm
-
- align 02h
-SystemExceptionHandler PROC
-INT0:
- push 0h ; push error code place holder on the stack
- push 0h
- JmpCommonIdtEntry
-; db 0e9h ; jmp 16 bit reletive
-; dd commonIdtEntry - $ - 4 ; offset to jump to
-
-INT1:
- push 0h ; push error code place holder on the stack
- push 1h
- JmpCommonIdtEntry
-
-INT2:
- push 0h ; push error code place holder on the stack
- push 2h
- JmpCommonIdtEntry
-
-INT3:
- push 0h ; push error code place holder on the stack
- push 3h
- JmpCommonIdtEntry
-
-INT4:
- push 0h ; push error code place holder on the stack
- push 4h
- JmpCommonIdtEntry
-
-INT5:
- push 0h ; push error code place holder on the stack
- push 5h
- JmpCommonIdtEntry
-
-INT6:
- push 0h ; push error code place holder on the stack
- push 6h
- JmpCommonIdtEntry
-
-INT7:
- push 0h ; push error code place holder on the stack
- push 7h
- JmpCommonIdtEntry
-
-INT8:
-; Double fault causes an error code to be pushed so no phony push necessary
- nop
- nop
- push 8h
- JmpCommonIdtEntry
-
-INT9:
- push 0h ; push error code place holder on the stack
- push 9h
- JmpCommonIdtEntry
-
-INT10:
-; Invalid TSS causes an error code to be pushed so no phony push necessary
- nop
- nop
- push 10
- JmpCommonIdtEntry
-
-INT11:
-; Segment Not Present causes an error code to be pushed so no phony push necessary
- nop
- nop
- push 11
- JmpCommonIdtEntry
-
-INT12:
-; Stack fault causes an error code to be pushed so no phony push necessary
- nop
- nop
- push 12
- JmpCommonIdtEntry
-
-INT13:
-; GP fault causes an error code to be pushed so no phony push necessary
- nop
- nop
- push 13
- JmpCommonIdtEntry
-
-INT14:
-; Page fault causes an error code to be pushed so no phony push necessary
- nop
- nop
- push 14
- JmpCommonIdtEntry
-
-INT15:
- push 0h ; push error code place holder on the stack
- push 15
- JmpCommonIdtEntry
-
-INT16:
- push 0h ; push error code place holder on the stack
- push 16
- JmpCommonIdtEntry
-
-INT17:
-; Alignment check causes an error code to be pushed so no phony push necessary
- nop
- nop
- push 17
- JmpCommonIdtEntry
-
-INT18:
- push 0h ; push error code place holder on the stack
- push 18
- JmpCommonIdtEntry
-
-INT19:
- push 0h ; push error code place holder on the stack
- push 19
- JmpCommonIdtEntry
-
-INTUnknown:
-REPEAT (32 - 20)
- push 0h ; push error code place holder on the stack
-; push xxh ; push vector number
- db 06ah
- db ( $ - INTUnknown - 3 ) / 9 + 20 ; vector number
- JmpCommonIdtEntry
-ENDM
-SystemExceptionHandler ENDP
-
-SystemTimerHandler PROC
- push 0
- push mTimerVector
- JmpCommonIdtEntry
-SystemTimerHandler ENDP
-
-commonIdtEntry:
-; +---------------------+ <-- 16-byte aligned ensured by processor
-; + Old SS +
-; +---------------------+
-; + Old RSP +
-; +---------------------+
-; + RFlags +
-; +---------------------+
-; + CS +
-; +---------------------+
-; + RIP +
-; +---------------------+
-; + Error Code +
-; +---------------------+
-; + Vector Number +
-; +---------------------+
-; + RBP +
-; +---------------------+ <-- RBP, 16-byte aligned
-
- cli
- push rbp
- mov rbp, rsp
-
- ;
- ; Since here the stack pointer is 16-byte aligned, so
- ; EFI_FX_SAVE_STATE_X64 of EFI_SYSTEM_CONTEXT_x64
- ; is 16-byte aligned
- ;
-
-;; UINT64 Rdi, Rsi, Rbp, Rsp, Rbx, Rdx, Rcx, Rax;
-;; UINT64 R8, R9, R10, R11, R12, R13, R14, R15;
- push r15
- push r14
- push r13
- push r12
- push r11
- push r10
- push r9
- push r8
- push rax
- push rcx
- push rdx
- push rbx
- push qword ptr [rbp + 6 * 8] ; RSP
- push qword ptr [rbp] ; RBP
- push rsi
- push rdi
-
-;; UINT64 Gs, Fs, Es, Ds, Cs, Ss; insure high 16 bits of each is zero
- movzx rax, word ptr [rbp + 7 * 8]
- push rax ; for ss
- movzx rax, word ptr [rbp + 4 * 8]
- push rax ; for cs
- mov rax, ds
- push rax
- mov rax, es
- push rax
- mov rax, fs
- push rax
- mov rax, gs
- push rax
-
-;; UINT64 Rip;
- push qword ptr [rbp + 3 * 8]
-
-;; UINT64 Gdtr[2], Idtr[2];
- sub rsp, 16
- sidt fword ptr [rsp]
- sub rsp, 16
- sgdt fword ptr [rsp]
-
-;; UINT64 Ldtr, Tr;
- xor rax, rax
- str ax
- push rax
- sldt ax
- push rax
-
-;; UINT64 RFlags;
- push qword ptr [rbp + 5 * 8]
-
-;; UINT64 Cr0, Cr1, Cr2, Cr3, Cr4, Cr8;
- mov rax, cr8
- push rax
- mov rax, cr4
- or rax, 208h
- mov cr4, rax
- push rax
- mov rax, cr3
- push rax
- mov rax, cr2
- push rax
- xor rax, rax
- push rax
- mov rax, cr0
- push rax
-
-;; UINT64 Dr0, Dr1, Dr2, Dr3, Dr6, Dr7;
- mov rax, dr7
- push rax
-;; clear Dr7 while executing debugger itself
- xor rax, rax
- mov dr7, rax
-
- mov rax, dr6
- push rax
-;; insure all status bits in dr6 are clear...
- xor rax, rax
- mov dr6, rax
-
- mov rax, dr3
- push rax
- mov rax, dr2
- push rax
- mov rax, dr1
- push rax
- mov rax, dr0
- push rax
-
-;; FX_SAVE_STATE_X64 FxSaveState;
-
- sub rsp, 512
- mov rdi, rsp
- db 0fh, 0aeh, 00000111y ;fxsave [rdi]
-
-;; UINT32 ExceptionData;
- push qword ptr [rbp + 2 * 8]
-
-;; call into exception handler
-;; Prepare parameter and call
- mov rcx, qword ptr [rbp + 1 * 8]
- mov rdx, rsp
- ;
- ; Per X64 calling convention, allocate maximum parameter stack space
- ; and make sure RSP is 16-byte aligned
- ;
- sub rsp, 4 * 8 + 8
- cmp rcx, 32
- jb CallException
- call TimerHandler
- jmp ExceptionDone
-CallException:
- call ExceptionHandler
-ExceptionDone:
- add rsp, 4 * 8 + 8
-
- cli
-;; UINT64 ExceptionData;
- add rsp, 8
-
-;; FX_SAVE_STATE_X64 FxSaveState;
-
- mov rsi, rsp
- db 0fh, 0aeh, 00001110y ; fxrstor [rsi]
- add rsp, 512
-
-;; UINT64 Dr0, Dr1, Dr2, Dr3, Dr6, Dr7;
- pop rax
- mov dr0, rax
- pop rax
- mov dr1, rax
- pop rax
- mov dr2, rax
- pop rax
- mov dr3, rax
-;; skip restore of dr6. We cleared dr6 during the context save.
- add rsp, 8
- pop rax
- mov dr7, rax
-
-;; UINT64 Cr0, Cr1, Cr2, Cr3, Cr4, Cr8;
- pop rax
- mov cr0, rax
- add rsp, 8 ; not for Cr1
- pop rax
- mov cr2, rax
- pop rax
- mov cr3, rax
- pop rax
- mov cr4, rax
- pop rax
- mov cr8, rax
-
-;; UINT64 RFlags;
- pop qword ptr [rbp + 5 * 8]
-
-;; UINT64 Ldtr, Tr;
-;; UINT64 Gdtr[2], Idtr[2];
-;; Best not let anyone mess with these particular registers...
- add rsp, 48
-
-;; UINT64 Rip;
- pop qword ptr [rbp + 3 * 8]
-
-;; UINT64 Gs, Fs, Es, Ds, Cs, Ss;
- pop rax
- ; mov gs, rax ; not for gs
- pop rax
- ; mov fs, rax ; not for fs
- ; (X64 will not use fs and gs, so we do not restore it)
- pop rax
- mov es, rax
- pop rax
- mov ds, rax
- pop qword ptr [rbp + 4 * 8] ; for cs
- pop qword ptr [rbp + 7 * 8] ; for ss
-
-;; UINT64 Rdi, Rsi, Rbp, Rsp, Rbx, Rdx, Rcx, Rax;
-;; UINT64 R8, R9, R10, R11, R12, R13, R14, R15;
- pop rdi
- pop rsi
- add rsp, 8 ; not for rbp
- pop qword ptr [rbp + 6 * 8] ; for rsp
- pop rbx
- pop rdx
- pop rcx
- pop rax
- pop r8
- pop r9
- pop r10
- pop r11
- pop r12
- pop r13
- pop r14
- pop r15
-
- mov rsp, rbp
- pop rbp
- add rsp, 16
- iretq
-
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-; data
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-
-
-gdtr dw GDT_END - GDT_BASE - 1 ; GDT limit
- dq 0 ; (GDT base gets set above)
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-; global descriptor table (GDT)
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-
- align 010h ; make GDT 16-byte align
-
-public GDT_BASE
-GDT_BASE:
-; null descriptor
-NULL_SEL equ $-GDT_BASE ; Selector [0x0]
- dw 0 ; limit 15:0
- dw 0 ; base 15:0
- db 0 ; base 23:16
- db 0 ; type
- db 0 ; limit 19:16, flags
- db 0 ; base 31:24
-
-; linear data segment descriptor
-LINEAR_SEL equ $-GDT_BASE ; Selector [0x8]
- dw 0FFFFh ; limit 0xFFFFF
- dw 0 ; base 0
- db 0
- db 092h ; present, ring 0, data, expand-up, writable
- db 0CFh ; page-granular, 32-bit
- db 0
-
-; linear code segment descriptor
-LINEAR_CODE_SEL equ $-GDT_BASE ; Selector [0x10]
- dw 0FFFFh ; limit 0xFFFFF
- dw 0 ; base 0
- db 0
- db 09Ah ; present, ring 0, code, expand-up, writable
- db 0CFh ; page-granular, 32-bit
- db 0
-
-; system data segment descriptor
-SYS_DATA_SEL equ $-GDT_BASE ; Selector [0x18]
- dw 0FFFFh ; limit 0xFFFFF
- dw 0 ; base 0
- db 0
- db 092h ; present, ring 0, data, expand-up, writable
- db 0CFh ; page-granular, 32-bit
- db 0
-
-; system code segment descriptor
-SYS_CODE_SEL equ $-GDT_BASE ; Selector [0x20]
- dw 0FFFFh ; limit 0xFFFFF
- dw 0 ; base 0
- db 0
- db 09Ah ; present, ring 0, code, expand-up, writable
- db 0CFh ; page-granular, 32-bit
- db 0
-
-; spare segment descriptor
-SPARE3_SEL equ $-GDT_BASE ; Selector [0x28]
- dw 0
- dw 0
- db 0
- db 0
- db 0
- db 0
-
-; system data segment descriptor
-SYS_DATA64_SEL equ $-GDT_BASE ; Selector [0x30]
- dw 0FFFFh ; limit 0xFFFFF
- dw 0 ; base 0
- db 0
- db 092h ; present, ring 0, data, expand-up, writable
- db 0CFh ; page-granular, 32-bit
- db 0
-
-; system code segment descriptor
-SYS_CODE64_SEL equ $-GDT_BASE ; Selector [0x38]
- dw 0FFFFh ; limit 0xFFFFF
- dw 0 ; base 0
- db 0
- db 09Ah ; present, ring 0, code, expand-up, writable
- db 0AFh ; page-granular, 64-bit
- db 0
-
-; spare segment descriptor
-SPARE4_SEL equ $-GDT_BASE ; Selector [0x40]
- dw 0
- dw 0
- db 0
- db 0
- db 0
- db 0
-
-GDT_END:
-
-idtr dw IDT_END - IDT_BASE - 1 ; IDT limit
- dq 0 ; (IDT base gets set above)
-
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-; interrupt descriptor table (IDT)
-;
-; Note: The hardware IRQ's specified in this table are the normal PC/AT IRQ
-; mappings. This implementation only uses the system timer and all other
-; IRQs will remain masked. The descriptors for vectors 33+ are provided
-; for convenience.
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-
- align 08h ; make IDT 8-byte align
-
-public IDT_BASE
-IDT_BASE:
-; divide by zero (INT 0)
-DIV_ZERO_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; debug exception (INT 1)
-DEBUG_EXCEPT_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; NMI (INT 2)
-NMI_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; soft breakpoint (INT 3)
-BREAKPOINT_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; overflow (INT 4)
-OVERFLOW_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; bounds check (INT 5)
-BOUNDS_CHECK_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; invalid opcode (INT 6)
-INVALID_OPCODE_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; device not available (INT 7)
-DEV_NOT_AVAIL_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; double fault (INT 8)
-DOUBLE_FAULT_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; Coprocessor segment overrun - reserved (INT 9)
-RSVD_INTR_SEL1 equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; invalid TSS (INT 0ah)
-INVALID_TSS_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; segment not present (INT 0bh)
-SEG_NOT_PRESENT_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; stack fault (INT 0ch)
-STACK_FAULT_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; general protection (INT 0dh)
-GP_FAULT_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; page fault (INT 0eh)
-PAGE_FAULT_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; Intel reserved - do not use (INT 0fh)
-RSVD_INTR_SEL2 equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; floating point error (INT 10h)
-FLT_POINT_ERR_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; alignment check (INT 11h)
-ALIGNMENT_CHECK_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; (10001110)type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; machine check (INT 12h)
-MACHINE_CHECK_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; (10001110)type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; SIMD floating-point exception (INT 13h)
-SIMD_EXCEPTION_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; (10001110)type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-REPEAT (32 - 20)
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; (10001110)type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-ENDM
-
-; 72 unspecified descriptors
- db (72 * 16) dup(0)
-
-; IRQ 0 (System timer) - (INT 68h)
-IRQ0_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; (10001110)type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; IRQ 1 (8042 Keyboard controller) - (INT 69h)
-IRQ1_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; (10001110)type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; Reserved - IRQ 2 redirect (IRQ 2) - DO NOT USE!!! - (INT 6ah)
-IRQ2_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; (10001110)type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; IRQ 3 (COM 2) - (INT 6bh)
-IRQ3_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; (10001110)type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; IRQ 4 (COM 1) - (INT 6ch)
-IRQ4_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; (10001110)type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; IRQ 5 (LPT 2) - (INT 6dh)
-IRQ5_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; (10001110)type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; IRQ 6 (Floppy controller) - (INT 6eh)
-IRQ6_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; (10001110)type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; IRQ 7 (LPT 1) - (INT 6fh)
-IRQ7_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; (10001110)type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; IRQ 8 (RTC Alarm) - (INT 70h)
-IRQ8_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; (10001110)type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; IRQ 9 - (INT 71h)
-IRQ9_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; (10001110)type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; IRQ 10 - (INT 72h)
-IRQ10_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; (10001110)type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; IRQ 11 - (INT 73h)
-IRQ11_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; (10001110)type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; IRQ 12 (PS/2 mouse) - (INT 74h)
-IRQ12_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; (10001110)type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; IRQ 13 (Floating point error) - (INT 75h)
-IRQ13_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; (10001110)type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; IRQ 14 (Secondary IDE) - (INT 76h)
-IRQ14_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; (10001110)type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
-; IRQ 15 (Primary IDE) - (INT 77h)
-IRQ15_SEL equ $-IDT_BASE
- dw 0 ; offset 15:0
- dw SYS_CODE64_SEL ; selector 15:0
- db 0 ; 0 for interrupt gate
- db 0eh OR 80h ; (10001110)type = 386 interrupt gate, present
- dw 0 ; offset 31:16
- dd 0 ; offset 63:32
- dd 0 ; 0 for reserved
-
- db (1 * 16) dup(0)
-
-IDT_END:
-
-
-END
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-08 16:20:42 +0000