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Add .gitattributes and .gitignore files and normalize line endings in the repository (#10)

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Colin Finck 2017-10-04 20:37:32 +02:00 • committed by GitHub
parent c609406c2f
commit 9ebf43567d
309 changed files with 66975 additions and 66873 deletions
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822
sdk/include/asm/asm.inc
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@ -1,411 +1,411 @@
/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS Kernel
* FILE: include/asm/asm.inc
* PURPOSE: ASM macros for GAS and MASM/ML64
* PROGRAMMERS: Timo Kreuzer (timo.kreuzer@reactos.org)
*/
#ifndef __ASM_INC__
#define __ASM_INC__
/* Common definitions for FPO macro
see http://msdn.microsoft.com/en-us/library/ms679352%28VS.85%29.aspx */
#define FRAME_FPO 0
#define FRAME_TRAP 1
#define FRAME_TSS 2
#define FRAME_NONFPO 3
#ifdef _USE_ML
/* Allow ".name" identifiers */
OPTION DOTNAME
#ifdef _M_IX86
.686P
.XMM
.MODEL FLAT
ASSUME CS:NOTHING, DS:NOTHING, ES:NOTHING, FS:NOTHING, GS:NOTHING
#endif
/* Explicit radix in MASM syntax */
#define BIN(x) x##y
#define OCT(x) x##q
#define DEC(x) x##t
#define HEX(x) 0##x##h
/* Macro values need not be marked */
#define VAL(x) x
/* MASM/ML doesn't want explicit [rip] addressing */
rip = 0
/* Due to MASM's reverse syntax, we are forced to use a precompiler macro */
#define MACRO(name, ...) name MACRO __VA_ARGS__
/* To avoid reverse syntax we provide a new macro .PROC, replacing PROC... */
.PROC MACRO name
__current_function_name EQU %name
#ifdef _M_IX86
%name PROC
#else
%name PROC FRAME
#endif
ENDM
#define FUNC .PROC
/* ... and .ENDP, replacing ENDP */
.ENDP MACRO
%__current_function_name ENDP
ENDM
#define ENDFUNC .ENDP
/* Global labels need an extra colon */
GLOBAL_LABEL MACRO label
%label::
ENDM
/* check http://msdn.microsoft.com/en-us/library/9c9k076y%28VS.80%29.aspx
and http://msdn.microsoft.com/en-us/library/ms679352%28VS.85%29.aspx */
FPO MACRO cdwLocals, cdwParams, cbProlog, cbRegs, fUseBP, cbFrame
.FPO (cdwLocals, cdwParams, cbProlog, cbRegs, fUseBP, cbFrame)
ENDM
/* MASM doesn't have an ASCII macro */
.ASCII MACRO text:VARARG
DB text
ENDM
.ascii MACRO text:VARARG
DB text
ENDM
/* MASM doesn't have an ASCIZ macro */
.ASCIZ MACRO text:VARARG
DB text
DB 0
ENDM
.asciz MACRO text:VARARG
DB text
DB 0
ENDM
.code64 MACRO
.code
ENDM
.code32 MACRO
.code
.586P
ENDM
.code16 MACRO
ASSUME nothing
.text SEGMENT use16
.586P
ENDM
.endcode16 MACRO
.text ENDS
ENDM
.bss MACRO
.DATA?
ASSUME nothing
ENDM
//.text MACRO
//ENDM
.align MACRO alignment
ALIGN alignment
ENDM
.byte MACRO args:VARARG
db args
ENDM
.short MACRO args:VARARG
dw args
ENDM
.word MACRO args:VARARG
dw args
ENDM
.long MACRO args:VARARG
dd args
ENDM
.double MACRO args:VARARG
dq args
ENDM
.org MACRO value
ORG value
ENDM
.fill MACRO count, size, value
REPEAT count
if (size EQ 1)
DB value
elseif (size EQ 2)
DW value
elseif (size EQ 4)
DD value
endif
ENDM
ENDM
.skip MACRO size, fill:=<0>
DB size DUP (fill)
ENDM
.space MACRO size, fill:=<0>
.skip size, fill
ENDM
ljmp MACRO segment, offset
DB 0EAh
DD offset
DW segment
ENDM
ljmp16 MACRO segment, offset
DB 0EAh
DW offset
DW segment
ENDM
data32 MACRO opcode:VARARG
DB 66h
opcode
ENDM
UNIMPLEMENTED MACRO name
ENDM
absolute MACRO address
__absolute__address__ = address
ENDM
resb MACRO name, size
name = __absolute__address__
__absolute__address__ = __absolute__address__ + size
ENDM
/* We need this to distinguish repeat from macros */
#define ENDR ENDM
#define CR 13
#define LF 10
#define NUL 0
/* For compatibility with GAS */
CFI_STARTPROC MACRO start
ENDM
CFI_ENDPROC MACRO
ENDM
CFI_DEF_CFA MACRO reg:REQ, offset:REQ
ENDM
CFI_DEF_CFA_OFFSET MACRO offset:REQ
ENDM
CFI_DEF_CFA_REGISTER MACRO reg:REQ
ENDM
CFI_ADJUST_CFA_OFFSET MACRO offset:REQ
ENDM
CFI_OFFSET MACRO reg:REQ, offset:REQ
ENDM
CFI_REGISTER MACRO reg1:REQ, reg2:REQ
ENDM
CFI_REL_OFFSET MACRO reg:REQ, offset:REQ
ENDM
CFI_SAME_VALUE MACRO reg:REQ
ENDM
#else /***********************************************************************/
/* Force intel syntax */
.intel_syntax noprefix
.altmacro
/* Explicit radix in GAS syntax */
#define BIN(x) 0b##x
#define OCT(x) 0##x
#define DEC(x) x
#define HEX(x) 0x##x
/* Macro values need to be marked */
#define VAL(x) \x
/* Due to MASM's reverse syntax, we are forced to use a precompiler macro */
#define MACRO(...) .macro __VA_ARGS__
#define ENDM .endm
/* To avoid reverse syntax we provide a new macro .PROC, replacing PROC... */
.macro .PROC name
.func \name
#ifdef _X86_
/* x86 GAS expects a label with _ prefix */
_\name:
#endif
\name:
.cfi_startproc
.equ cfa_current_offset, -8
.endm
#define FUNC .PROC
/* ... and .ENDP, replacing ENDP */
.macro .ENDP
.cfi_endproc
.endfunc
.endm
#define ENDFUNC .ENDP
/* MASM compatible PUBLIC */
.macro PUBLIC symbol
.global \symbol
.endm
/* No special marking of global labels */
.macro GLOBAL_LABEL label
\label:
.endm
/* Dummy ASSUME */
.macro ASSUME p1 p2 p3 p4 p5 p6 p7 p8
.endm
/* MASM needs an end tag for segments */
.macro .endcode16
.endm
/* MASM compatible ALIGN */
#define ALIGN .align
/* MASM compatible REPEAT, additional ENDR */
#define REPEAT .rept
#define ENDR .endr
.macro ljmp segment, offset
jmp far ptr \segment:\offset
.endm
.macro ljmp16 segment, offset
jmp far ptr \segment:\offset
.endm
/* MASM compatible EXTERN */
.macro EXTERN name
.endm
/* MASM needs an END tag */
#define END
.macro .MODEL model
.endm
.macro .code
.text
.endm
/* check http://msdn.microsoft.com/en-us/library/9c9k076y%28VS.80%29.aspx
and http://msdn.microsoft.com/en-us/library/ms679352%28VS.85%29.aspx */
.macro FPO cdwLocals, cdwParams, cbProlog, cbRegs, fUseBP, cbFrame
.if (cbFrame == FRAME_TRAP)
.cfi_signal_frame
.endif
.endm
/* Macros for x64 stack unwind OPs */
.macro .allocstack size
.cfi_adjust_cfa_offset \size
.set cfa_current_offset, cfa_current_offset - \size
.endm
code = 1
.macro .pushframe param=0
.if (\param)
.cfi_adjust_cfa_offset 0x30
.set cfa_current_offset, cfa_current_offset - 0x30
.else
.cfi_adjust_cfa_offset 0x28
.set cfa_current_offset, cfa_current_offset - 0x28
.endif
.endm
.macro .pushreg reg
.cfi_adjust_cfa_offset 8
.equ cfa_current_offset, cfa_current_offset - 8
.cfi_offset \reg, cfa_current_offset
.endm
.macro .savereg reg, offset
// checkme!!!
.cfi_offset \reg, \offset
.endm
.macro .savexmm128 reg, offset
// checkme!!!
.cfi_offset \reg, \offset
.endm
.macro .setframe reg, offset
.cfi_def_cfa reg, \offset
.equ cfa_current_offset, \offset
.endm
.macro .endprolog
.endm
.macro absolute address
__absolute__address__ = \address
.endm
.macro resb name, size
\name = __absolute__address__
__absolute__address__ = __absolute__address__ + \size
.endm
.macro UNIMPLEMENTED2 file, line, func
jmp 3f
1: .asciz "\func"
2: .asciz \file
3:
sub rsp, 0x20
lea rcx, MsgUnimplemented[rip]
lea rdx, 1b[rip]
lea r8, 2b[rip]
mov r9, \line
call DbgPrint
add rsp, 0x20
.endm
#define UNIMPLEMENTED UNIMPLEMENTED2 __FILE__, __LINE__,
/* MASM/ML uses ".if" for runtime conditionals, and "if" for compile time
conditionals. We therefore use "if", too. .if shouldn't be used at all */
#define if .if
#define endif .endif
#define else .else
#define elseif .elseif
#define CR "\r"
#define LF "\n"
#define NUL "\0"
/* CFI annotations */
#define CFI_STARTPROC .cfi_startproc
#define CFI_ENDPROC .cfi_endproc
#define CFI_DEF_CFA .cfi_def_cfa
#define CFI_DEF_CFA_OFFSET .cfi_def_cfa_offset
#define CFI_DEF_CFA_REGISTER .cfi_def_cfa_register
#define CFI_ADJUST_CFA_OFFSET .cfi_adjust_cfa_offset
#define CFI_OFFSET .cfi_offset
#define CFI_REGISTER .cfi_register
#define CFI_REL_OFFSET .cfi_rel_offset
#define CFI_SAME_VALUE .cfi_same_value
#endif
#endif /* __ASM_INC__ */
/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS Kernel
* FILE: include/asm/asm.inc
* PURPOSE: ASM macros for GAS and MASM/ML64
* PROGRAMMERS: Timo Kreuzer (timo.kreuzer@reactos.org)
*/
#ifndef __ASM_INC__
#define __ASM_INC__
/* Common definitions for FPO macro
see http://msdn.microsoft.com/en-us/library/ms679352%28VS.85%29.aspx */
#define FRAME_FPO 0
#define FRAME_TRAP 1
#define FRAME_TSS 2
#define FRAME_NONFPO 3
#ifdef _USE_ML
/* Allow ".name" identifiers */
OPTION DOTNAME
#ifdef _M_IX86
.686P
.XMM
.MODEL FLAT
ASSUME CS:NOTHING, DS:NOTHING, ES:NOTHING, FS:NOTHING, GS:NOTHING
#endif
/* Explicit radix in MASM syntax */
#define BIN(x) x##y
#define OCT(x) x##q
#define DEC(x) x##t
#define HEX(x) 0##x##h
/* Macro values need not be marked */
#define VAL(x) x
/* MASM/ML doesn't want explicit [rip] addressing */
rip = 0
/* Due to MASM's reverse syntax, we are forced to use a precompiler macro */
#define MACRO(name, ...) name MACRO __VA_ARGS__
/* To avoid reverse syntax we provide a new macro .PROC, replacing PROC... */
.PROC MACRO name
__current_function_name EQU %name
#ifdef _M_IX86
%name PROC
#else
%name PROC FRAME
#endif
ENDM
#define FUNC .PROC
/* ... and .ENDP, replacing ENDP */
.ENDP MACRO
%__current_function_name ENDP
ENDM
#define ENDFUNC .ENDP
/* Global labels need an extra colon */
GLOBAL_LABEL MACRO label
%label::
ENDM
/* check http://msdn.microsoft.com/en-us/library/9c9k076y%28VS.80%29.aspx
and http://msdn.microsoft.com/en-us/library/ms679352%28VS.85%29.aspx */
FPO MACRO cdwLocals, cdwParams, cbProlog, cbRegs, fUseBP, cbFrame
.FPO (cdwLocals, cdwParams, cbProlog, cbRegs, fUseBP, cbFrame)
ENDM
/* MASM doesn't have an ASCII macro */
.ASCII MACRO text:VARARG
DB text
ENDM
.ascii MACRO text:VARARG
DB text
ENDM
/* MASM doesn't have an ASCIZ macro */
.ASCIZ MACRO text:VARARG
DB text
DB 0
ENDM
.asciz MACRO text:VARARG
DB text
DB 0
ENDM
.code64 MACRO
.code
ENDM
.code32 MACRO
.code
.586P
ENDM
.code16 MACRO
ASSUME nothing
.text SEGMENT use16
.586P
ENDM
.endcode16 MACRO
.text ENDS
ENDM
.bss MACRO
.DATA?
ASSUME nothing
ENDM
//.text MACRO
//ENDM
.align MACRO alignment
ALIGN alignment
ENDM
.byte MACRO args:VARARG
db args
ENDM
.short MACRO args:VARARG
dw args
ENDM
.word MACRO args:VARARG
dw args
ENDM
.long MACRO args:VARARG
dd args
ENDM
.double MACRO args:VARARG
dq args
ENDM
.org MACRO value
ORG value
ENDM
.fill MACRO count, size, value
REPEAT count
if (size EQ 1)
DB value
elseif (size EQ 2)
DW value
elseif (size EQ 4)
DD value
endif
ENDM
ENDM
.skip MACRO size, fill:=<0>
DB size DUP (fill)
ENDM
.space MACRO size, fill:=<0>
.skip size, fill
ENDM
ljmp MACRO segment, offset
DB 0EAh
DD offset
DW segment
ENDM
ljmp16 MACRO segment, offset
DB 0EAh
DW offset
DW segment
ENDM
data32 MACRO opcode:VARARG
DB 66h
opcode
ENDM
UNIMPLEMENTED MACRO name
ENDM
absolute MACRO address
__absolute__address__ = address
ENDM
resb MACRO name, size
name = __absolute__address__
__absolute__address__ = __absolute__address__ + size
ENDM
/* We need this to distinguish repeat from macros */
#define ENDR ENDM
#define CR 13
#define LF 10
#define NUL 0
/* For compatibility with GAS */
CFI_STARTPROC MACRO start
ENDM
CFI_ENDPROC MACRO
ENDM
CFI_DEF_CFA MACRO reg:REQ, offset:REQ
ENDM
CFI_DEF_CFA_OFFSET MACRO offset:REQ
ENDM
CFI_DEF_CFA_REGISTER MACRO reg:REQ
ENDM
CFI_ADJUST_CFA_OFFSET MACRO offset:REQ
ENDM
CFI_OFFSET MACRO reg:REQ, offset:REQ
ENDM
CFI_REGISTER MACRO reg1:REQ, reg2:REQ
ENDM
CFI_REL_OFFSET MACRO reg:REQ, offset:REQ
ENDM
CFI_SAME_VALUE MACRO reg:REQ
ENDM
#else /***********************************************************************/
/* Force intel syntax */
.intel_syntax noprefix
.altmacro
/* Explicit radix in GAS syntax */
#define BIN(x) 0b##x
#define OCT(x) 0##x
#define DEC(x) x
#define HEX(x) 0x##x
/* Macro values need to be marked */
#define VAL(x) \x
/* Due to MASM's reverse syntax, we are forced to use a precompiler macro */
#define MACRO(...) .macro __VA_ARGS__
#define ENDM .endm
/* To avoid reverse syntax we provide a new macro .PROC, replacing PROC... */
.macro .PROC name
.func \name
#ifdef _X86_
/* x86 GAS expects a label with _ prefix */
_\name:
#endif
\name:
.cfi_startproc
.equ cfa_current_offset, -8
.endm
#define FUNC .PROC
/* ... and .ENDP, replacing ENDP */
.macro .ENDP
.cfi_endproc
.endfunc
.endm
#define ENDFUNC .ENDP
/* MASM compatible PUBLIC */
.macro PUBLIC symbol
.global \symbol
.endm
/* No special marking of global labels */
.macro GLOBAL_LABEL label
\label:
.endm
/* Dummy ASSUME */
.macro ASSUME p1 p2 p3 p4 p5 p6 p7 p8
.endm
/* MASM needs an end tag for segments */
.macro .endcode16
.endm
/* MASM compatible ALIGN */
#define ALIGN .align
/* MASM compatible REPEAT, additional ENDR */
#define REPEAT .rept
#define ENDR .endr
.macro ljmp segment, offset
jmp far ptr \segment:\offset
.endm
.macro ljmp16 segment, offset
jmp far ptr \segment:\offset
.endm
/* MASM compatible EXTERN */
.macro EXTERN name
.endm
/* MASM needs an END tag */
#define END
.macro .MODEL model
.endm
.macro .code
.text
.endm
/* check http://msdn.microsoft.com/en-us/library/9c9k076y%28VS.80%29.aspx
and http://msdn.microsoft.com/en-us/library/ms679352%28VS.85%29.aspx */
.macro FPO cdwLocals, cdwParams, cbProlog, cbRegs, fUseBP, cbFrame
.if (cbFrame == FRAME_TRAP)
.cfi_signal_frame
.endif
.endm
/* Macros for x64 stack unwind OPs */
.macro .allocstack size
.cfi_adjust_cfa_offset \size
.set cfa_current_offset, cfa_current_offset - \size
.endm
code = 1
.macro .pushframe param=0
.if (\param)
.cfi_adjust_cfa_offset 0x30
.set cfa_current_offset, cfa_current_offset - 0x30
.else
.cfi_adjust_cfa_offset 0x28
.set cfa_current_offset, cfa_current_offset - 0x28
.endif
.endm
.macro .pushreg reg
.cfi_adjust_cfa_offset 8
.equ cfa_current_offset, cfa_current_offset - 8
.cfi_offset \reg, cfa_current_offset
.endm
.macro .savereg reg, offset
// checkme!!!
.cfi_offset \reg, \offset
.endm
.macro .savexmm128 reg, offset
// checkme!!!
.cfi_offset \reg, \offset
.endm
.macro .setframe reg, offset
.cfi_def_cfa reg, \offset
.equ cfa_current_offset, \offset
.endm
.macro .endprolog
.endm
.macro absolute address
__absolute__address__ = \address
.endm
.macro resb name, size
\name = __absolute__address__
__absolute__address__ = __absolute__address__ + \size
.endm
.macro UNIMPLEMENTED2 file, line, func
jmp 3f
1: .asciz "\func"
2: .asciz \file
3:
sub rsp, 0x20
lea rcx, MsgUnimplemented[rip]
lea rdx, 1b[rip]
lea r8, 2b[rip]
mov r9, \line
call DbgPrint
add rsp, 0x20
.endm
#define UNIMPLEMENTED UNIMPLEMENTED2 __FILE__, __LINE__,
/* MASM/ML uses ".if" for runtime conditionals, and "if" for compile time
conditionals. We therefore use "if", too. .if shouldn't be used at all */
#define if .if
#define endif .endif
#define else .else
#define elseif .elseif
#define CR "\r"
#define LF "\n"
#define NUL "\0"
/* CFI annotations */
#define CFI_STARTPROC .cfi_startproc
#define CFI_ENDPROC .cfi_endproc
#define CFI_DEF_CFA .cfi_def_cfa
#define CFI_DEF_CFA_OFFSET .cfi_def_cfa_offset
#define CFI_DEF_CFA_REGISTER .cfi_def_cfa_register
#define CFI_ADJUST_CFA_OFFSET .cfi_adjust_cfa_offset
#define CFI_OFFSET .cfi_offset
#define CFI_REGISTER .cfi_register
#define CFI_REL_OFFSET .cfi_rel_offset
#define CFI_SAME_VALUE .cfi_same_value
#endif
#endif /* __ASM_INC__ */

488
sdk/include/asm/trapamd64.inc
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@ -1,244 +1,244 @@
APIC_EOI = HEX(0FFFFFFFFFFFE00B0)
TF_VOLATILES = HEX(01)
TF_NONVOLATILES = HEX(02)
TF_XMM = HEX(04)
TF_SEGMENTS = HEX(08)
TF_DEBUG = HEX(10)
TF_IRQL = HEX(20)
TF_SAVE_ALL = (TF_VOLATILES OR TF_NONVOLATILES OR TF_XMM OR TF_SEGMENTS)
TF_HAS_ERROR_CODE = HEX(40)
TF_SEND_EOI = HEX(80)
//TF_SYSTEMSERVICE = (TRAPFLAG_VOLATILES or TRAPFLAG_DEBUG)
TF_CHECKUSERAPC = HEX(100)
/*
* Stack Layout:
* |-------------------|
* | KTRAP_FRAME |
* |-------------------| <- rbp
* | EXCEPTION_RECORD |
* |-------------------|
* | KEXCEPTION_FRAME |
* |-------------------| <- rsp
*
*/
/*
* EnterTrap - Allocate KTRAP_FRAME_LENGTH and save registers to it
*/
MACRO(EnterTrap, Flags)
LOCAL kernel_mode_entry
/* Save the trap flags for this trap */
CurrentTrapFlags = VAL(Flags)
/* Size of hardware trap frame */
if (Flags AND TF_HAS_ERROR_CODE)
.pushframe code
SIZE_INITIAL_FRAME = 6 * 8
else
.pushframe
SIZE_INITIAL_FRAME = 5 * 8
endif
/* Make room for a KTRAP_FRAME */
sub rsp, (KTRAP_FRAME_LENGTH - SIZE_INITIAL_FRAME)
.allocstack (KTRAP_FRAME_LENGTH - SIZE_INITIAL_FRAME)
/* Save rbp and rax */
mov [rsp + KTRAP_FRAME_Rbp], rbp
.savereg rbp, KTRAP_FRAME_Rbp
mov [rsp + KTRAP_FRAME_Rax], rax
.savereg rax, KTRAP_FRAME_Rax
/* Point rbp to the KTRAP_FRAME */
lea rbp, [rsp]
.setframe rbp, 0
if (Flags AND TF_NONVOLATILES)
/* Save non-volatile registers */
mov [rbp + KTRAP_FRAME_Rbx], rbx
.savereg rbx, KTRAP_FRAME_Rbx
mov [rbp + KTRAP_FRAME_Rdi], rdi
.savereg rdi, KTRAP_FRAME_Rdi
mov [rbp + KTRAP_FRAME_Rsi], rsi
.savereg rsi, KTRAP_FRAME_Rsi
endif
.endprolog
if (Flags AND TF_VOLATILES)
/* Save volatile registers */
mov [rbp + KTRAP_FRAME_Rcx], rcx
mov [rbp + KTRAP_FRAME_Rdx], rdx
mov [rbp + KTRAP_FRAME_R8], r8
mov [rbp + KTRAP_FRAME_R9], r9
mov [rbp + KTRAP_FRAME_R10], r10
mov [rbp + KTRAP_FRAME_R11], r11
endif
if (Flags AND TF_XMM)
/* Save xmm registers */
movdqa [rbp + KTRAP_FRAME_Xmm0], xmm0
movdqa [rbp + KTRAP_FRAME_Xmm1], xmm1
movdqa [rbp + KTRAP_FRAME_Xmm2], xmm2
movdqa [rbp + KTRAP_FRAME_Xmm3], xmm3
movdqa [rbp + KTRAP_FRAME_Xmm4], xmm4
movdqa [rbp + KTRAP_FRAME_Xmm5], xmm5
endif
if (Flags AND TF_SEGMENTS)
/* Save segment selectors */
mov [rbp + KTRAP_FRAME_SegDs], ds
mov [rbp + KTRAP_FRAME_SegEs], es
mov [rbp + KTRAP_FRAME_SegFs], fs
mov [rbp + KTRAP_FRAME_SegGs], gs
endif
/* Save previous mode and check if it was user mode */
mov ax, [rbp + KTRAP_FRAME_SegCs]
and al, 1
mov [rbp + KTRAP_FRAME_PreviousMode], al
jz kernel_mode_entry
/* Set sane segments */
mov ax, (KGDT64_R3_DATA or RPL_MASK)
mov ds, ax
mov es, ax
swapgs
kernel_mode_entry:
// if (Flags AND TF_IRQL)
/* Save previous irql */
mov rax, cr8
mov [rbp + KTRAP_FRAME_PreviousIrql], al
// endif
if (Flags AND TF_DEBUG)
/* Save debug registers */
mov rax, dr0
mov [rbp + KTRAP_FRAME_Dr0], rax
mov rax, dr1
mov [rbp + KTRAP_FRAME_Dr1], rax
mov rax, dr2
mov [rbp + KTRAP_FRAME_Dr2], rax
mov rax, dr3
mov [rbp + KTRAP_FRAME_Dr3], rax
mov rax, dr6
mov [rbp + KTRAP_FRAME_Dr6], rax
mov rax, dr7
mov [rbp + KTRAP_FRAME_Dr7], rax
endif
/* Make sure the direction flag is cleared */
cld
ENDM
/*
* ExitTrap - Restore registers and free stack space
*/
MACRO(ExitTrap, Flags)
LOCAL kernel_mode_return
#if DBG
/* Check previous irql */
mov rax, cr8
cmp [rbp + KTRAP_FRAME_PreviousIrql], al
je .irql_ok
int 3
.irql_ok:
#endif
if (Flags AND TF_SEGMENTS)
/* Restore segment selectors */
mov ds, [rbp + KTRAP_FRAME_SegDs]
mov es, [rbp + KTRAP_FRAME_SegEs]
mov fs, [rbp + KTRAP_FRAME_SegFs]
endif
if (Flags AND TF_IRQL)
/* Restore previous irql */
movzx rax, byte ptr [rbp + KTRAP_FRAME_PreviousIrql]
mov cr8, rax
endif
/* Check if we came from user mode */
test byte ptr [rbp + KTRAP_FRAME_SegCs], 1
jz kernel_mode_return
if (Flags AND TF_CHECKUSERAPC)
/* Load current thread into r10 */
mov r10, gs:[PcCurrentThread]
cmp byte ptr [r10 + KTHREAD_UserApcPending], 0
jne KiExitToUserApc
endif
/* Swap gs to user mode */
swapgs
kernel_mode_return:
if (Flags AND TF_NONVOLATILES)
/* Restore non-volatile registers */
mov rbx, [rbp + KTRAP_FRAME_Rbx]
mov rdi, [rbp + KTRAP_FRAME_Rdi]
mov rsi, [rbp + KTRAP_FRAME_Rsi]
endif
if (Flags AND TF_VOLATILES)
/* Restore volatile registers */
mov rax, [rbp + KTRAP_FRAME_Rax]
mov rcx, [rbp + KTRAP_FRAME_Rcx]
mov rdx, [rbp + KTRAP_FRAME_Rdx]
mov r8, [rbp + KTRAP_FRAME_R8]
mov r9, [rbp + KTRAP_FRAME_R9]
mov r10, [rbp + KTRAP_FRAME_R10]
mov r11, [rbp + KTRAP_FRAME_R11]
endif
if (Flags AND TF_XMM)
/* Restore xmm registers */
movdqa xmm0, [rbp + KTRAP_FRAME_Xmm0]
movdqa xmm1, [rbp + KTRAP_FRAME_Xmm1]
movdqa xmm2, [rbp + KTRAP_FRAME_Xmm2]
movdqa xmm3, [rbp + KTRAP_FRAME_Xmm3]
movdqa xmm4, [rbp + KTRAP_FRAME_Xmm4]
movdqa xmm5, [rbp + KTRAP_FRAME_Xmm5]
endif
/* Restore rbp */
mov rbp, [rbp + KTRAP_FRAME_Rbp]
/* Adjust stack pointer */
add rsp, KTRAP_FRAME_Rip
if (Flags AND TF_SEND_EOI)
/* Write 0 to the local APIC EOI register */
mov dword ptr [APIC_EOI], 0
endif
/* Return from the trap */
iretq
ENDM
MACRO(TRAP_ENTRY, Trap, Flags)
EXTERN Trap&Handler :PROC
PUBLIC &Trap
FUNC &Trap
/* Common code to create the trap frame */
EnterTrap Flags
/* Call the C handler */
mov rcx, rbp
call Trap&Handler
/* Leave */
ExitTrap Flags
ENDFUNC
ENDM
APIC_EOI = HEX(0FFFFFFFFFFFE00B0)
TF_VOLATILES = HEX(01)
TF_NONVOLATILES = HEX(02)
TF_XMM = HEX(04)
TF_SEGMENTS = HEX(08)
TF_DEBUG = HEX(10)
TF_IRQL = HEX(20)
TF_SAVE_ALL = (TF_VOLATILES OR TF_NONVOLATILES OR TF_XMM OR TF_SEGMENTS)
TF_HAS_ERROR_CODE = HEX(40)
TF_SEND_EOI = HEX(80)
//TF_SYSTEMSERVICE = (TRAPFLAG_VOLATILES or TRAPFLAG_DEBUG)
TF_CHECKUSERAPC = HEX(100)
/*
* Stack Layout:
* |-------------------|
* | KTRAP_FRAME |
* |-------------------| <- rbp
* | EXCEPTION_RECORD |
* |-------------------|
* | KEXCEPTION_FRAME |
* |-------------------| <- rsp
*
*/
/*
* EnterTrap - Allocate KTRAP_FRAME_LENGTH and save registers to it
*/
MACRO(EnterTrap, Flags)
LOCAL kernel_mode_entry
/* Save the trap flags for this trap */
CurrentTrapFlags = VAL(Flags)
/* Size of hardware trap frame */
if (Flags AND TF_HAS_ERROR_CODE)
.pushframe code
SIZE_INITIAL_FRAME = 6 * 8
else
.pushframe
SIZE_INITIAL_FRAME = 5 * 8
endif
/* Make room for a KTRAP_FRAME */
sub rsp, (KTRAP_FRAME_LENGTH - SIZE_INITIAL_FRAME)
.allocstack (KTRAP_FRAME_LENGTH - SIZE_INITIAL_FRAME)
/* Save rbp and rax */
mov [rsp + KTRAP_FRAME_Rbp], rbp
.savereg rbp, KTRAP_FRAME_Rbp
mov [rsp + KTRAP_FRAME_Rax], rax
.savereg rax, KTRAP_FRAME_Rax
/* Point rbp to the KTRAP_FRAME */
lea rbp, [rsp]
.setframe rbp, 0
if (Flags AND TF_NONVOLATILES)
/* Save non-volatile registers */
mov [rbp + KTRAP_FRAME_Rbx], rbx
.savereg rbx, KTRAP_FRAME_Rbx
mov [rbp + KTRAP_FRAME_Rdi], rdi
.savereg rdi, KTRAP_FRAME_Rdi
mov [rbp + KTRAP_FRAME_Rsi], rsi
.savereg rsi, KTRAP_FRAME_Rsi
endif
.endprolog
if (Flags AND TF_VOLATILES)
/* Save volatile registers */
mov [rbp + KTRAP_FRAME_Rcx], rcx
mov [rbp + KTRAP_FRAME_Rdx], rdx
mov [rbp + KTRAP_FRAME_R8], r8
mov [rbp + KTRAP_FRAME_R9], r9
mov [rbp + KTRAP_FRAME_R10], r10
mov [rbp + KTRAP_FRAME_R11], r11
endif
if (Flags AND TF_XMM)
/* Save xmm registers */
movdqa [rbp + KTRAP_FRAME_Xmm0], xmm0
movdqa [rbp + KTRAP_FRAME_Xmm1], xmm1
movdqa [rbp + KTRAP_FRAME_Xmm2], xmm2
movdqa [rbp + KTRAP_FRAME_Xmm3], xmm3
movdqa [rbp + KTRAP_FRAME_Xmm4], xmm4
movdqa [rbp + KTRAP_FRAME_Xmm5], xmm5
endif
if (Flags AND TF_SEGMENTS)
/* Save segment selectors */
mov [rbp + KTRAP_FRAME_SegDs], ds
mov [rbp + KTRAP_FRAME_SegEs], es
mov [rbp + KTRAP_FRAME_SegFs], fs
mov [rbp + KTRAP_FRAME_SegGs], gs
endif
/* Save previous mode and check if it was user mode */
mov ax, [rbp + KTRAP_FRAME_SegCs]
and al, 1
mov [rbp + KTRAP_FRAME_PreviousMode], al
jz kernel_mode_entry
/* Set sane segments */
mov ax, (KGDT64_R3_DATA or RPL_MASK)
mov ds, ax
mov es, ax
swapgs
kernel_mode_entry:
// if (Flags AND TF_IRQL)
/* Save previous irql */
mov rax, cr8
mov [rbp + KTRAP_FRAME_PreviousIrql], al
// endif
if (Flags AND TF_DEBUG)
/* Save debug registers */
mov rax, dr0
mov [rbp + KTRAP_FRAME_Dr0], rax
mov rax, dr1
mov [rbp + KTRAP_FRAME_Dr1], rax
mov rax, dr2
mov [rbp + KTRAP_FRAME_Dr2], rax
mov rax, dr3
mov [rbp + KTRAP_FRAME_Dr3], rax
mov rax, dr6
mov [rbp + KTRAP_FRAME_Dr6], rax
mov rax, dr7
mov [rbp + KTRAP_FRAME_Dr7], rax
endif
/* Make sure the direction flag is cleared */
cld
ENDM
/*
* ExitTrap - Restore registers and free stack space
*/
MACRO(ExitTrap, Flags)
LOCAL kernel_mode_return
#if DBG
/* Check previous irql */
mov rax, cr8
cmp [rbp + KTRAP_FRAME_PreviousIrql], al
je .irql_ok
int 3
.irql_ok:
#endif
if (Flags AND TF_SEGMENTS)
/* Restore segment selectors */
mov ds, [rbp + KTRAP_FRAME_SegDs]
mov es, [rbp + KTRAP_FRAME_SegEs]
mov fs, [rbp + KTRAP_FRAME_SegFs]
endif
if (Flags AND TF_IRQL)
/* Restore previous irql */
movzx rax, byte ptr [rbp + KTRAP_FRAME_PreviousIrql]
mov cr8, rax
endif
/* Check if we came from user mode */
test byte ptr [rbp + KTRAP_FRAME_SegCs], 1
jz kernel_mode_return
if (Flags AND TF_CHECKUSERAPC)
/* Load current thread into r10 */
mov r10, gs:[PcCurrentThread]
cmp byte ptr [r10 + KTHREAD_UserApcPending], 0
jne KiExitToUserApc
endif
/* Swap gs to user mode */
swapgs
kernel_mode_return:
if (Flags AND TF_NONVOLATILES)
/* Restore non-volatile registers */
mov rbx, [rbp + KTRAP_FRAME_Rbx]
mov rdi, [rbp + KTRAP_FRAME_Rdi]
mov rsi, [rbp + KTRAP_FRAME_Rsi]
endif
if (Flags AND TF_VOLATILES)
/* Restore volatile registers */
mov rax, [rbp + KTRAP_FRAME_Rax]
mov rcx, [rbp + KTRAP_FRAME_Rcx]
mov rdx, [rbp + KTRAP_FRAME_Rdx]
mov r8, [rbp + KTRAP_FRAME_R8]
mov r9, [rbp + KTRAP_FRAME_R9]
mov r10, [rbp + KTRAP_FRAME_R10]
mov r11, [rbp + KTRAP_FRAME_R11]
endif
if (Flags AND TF_XMM)
/* Restore xmm registers */
movdqa xmm0, [rbp + KTRAP_FRAME_Xmm0]
movdqa xmm1, [rbp + KTRAP_FRAME_Xmm1]
movdqa xmm2, [rbp + KTRAP_FRAME_Xmm2]
movdqa xmm3, [rbp + KTRAP_FRAME_Xmm3]
movdqa xmm4, [rbp + KTRAP_FRAME_Xmm4]
movdqa xmm5, [rbp + KTRAP_FRAME_Xmm5]
endif
/* Restore rbp */
mov rbp, [rbp + KTRAP_FRAME_Rbp]
/* Adjust stack pointer */
add rsp, KTRAP_FRAME_Rip
if (Flags AND TF_SEND_EOI)
/* Write 0 to the local APIC EOI register */
mov dword ptr [APIC_EOI], 0
endif
/* Return from the trap */
iretq
ENDM
MACRO(TRAP_ENTRY, Trap, Flags)
EXTERN Trap&Handler :PROC
PUBLIC &Trap
FUNC &Trap
/* Common code to create the trap frame */
EnterTrap Flags
/* Call the C handler */
mov rcx, rbp
call Trap&Handler
/* Leave */
ExitTrap Flags
ENDFUNC
ENDM