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https://github.com/reactos/reactos.git
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c2d0d784c7
- Create a branch to do a proper merge of USB work from a trunk base instead of from cmake-bringup - In the future, DO NOT under any circumstances branch another branch. This leads to merge problems! svn path=/branches/usb-bringup-trunk/; revision=55018
664 lines
14 KiB
ArmAsm
664 lines
14 KiB
ArmAsm
/*
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* FILE: ntoskrnl/ke/amd64/trap.S
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* COPYRIGHT: See COPYING in the top level directory
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* PURPOSE: System Traps, Entrypoints and Exitpoints
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* PROGRAMMER: Timo Kreuzer (timo.kreuzer@reactos.org)
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*/
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/* INCLUDES ******************************************************************/
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#include <asm.inc>
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#include <ksamd64.inc>
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#include <trapamd64.inc>
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EXTERN KiDispatchException:PROC
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EXTERN FrLdrDbgPrint:DWORD
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EXTERN KeBugCheckWithTf:PROC
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EXTERN MmAccessFault:PROC
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EXTERN KiSystemFatalException:PROC
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EXTERN KiNpxNotAvailableFaultHandler:PROC
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EXTERN KiGeneralProtectionFaultHandler:PROC
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EXTERN KiXmmExceptionHandler:PROC
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EXTERN KiDeliverApc:PROC
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EXTERN KiDispatchInterrupt:PROC
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/* GLOBALS *******************************************************************/
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.data
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PUBLIC MsgUnimplemented
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MsgUnimplemented:
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.asciz "WARNING: %s at %s:%d is UNIMPLEMENTED!\n"
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/* Helper Macros *************************************************************/
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MACRO(DispatchException, Status, Number, P1, P2, P3)
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mov eax, Status
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mov edx, Number
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mov r9, P1
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mov r10, P2
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mov r11, P3
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call InternalDispatchException
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ENDM
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MACRO(Fatal, BugcheckCode)
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/* Bugcheck */
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mov ecx, BugcheckCode
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mov rdx, rbp
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call KiSystemFatalException
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ENDM
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/* FUNCTIONS *****************************************************************/
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.code64
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ALIGN 8
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PUBLIC InterruptDispatchTable
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InterruptDispatchTable:
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Vector = 0
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REPEAT 256
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push Vector
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jmp KiUnexpectedInterrupt
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ALIGN 8
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Vector = Vector+1
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ENDR
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// rbp = TrapFrame, eax = ExceptionCode, edx = NumParams, r9,r10,r11 = params
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.PROC InternalDispatchException
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/* Allocate stack space for EXCEPTION_RECORD and KEXCEPTION_FRAME */
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sub rsp, EXCEPTION_RECORD_LENGTH + KEXCEPTION_FRAME_LENGTH
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.allocstack (EXCEPTION_RECORD_LENGTH + KEXCEPTION_FRAME_LENGTH)
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.endprolog
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/* Set up EXCEPTION_RECORD */
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lea rcx, [rsp + KEXCEPTION_FRAME_LENGTH]
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mov [rcx + EXCEPTION_RECORD_ExceptionCode], eax
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xor rax, rax
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mov [rcx + EXCEPTION_RECORD_ExceptionFlags], eax
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mov [rcx + EXCEPTION_RECORD_ExceptionRecord], rax
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mov rax, [rbp + KTRAP_FRAME_Rip]
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mov [rcx + EXCEPTION_RECORD_ExceptionAddress], rax
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mov [rcx + EXCEPTION_RECORD_NumberParameters], edx
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mov [rcx + EXCEPTION_RECORD_ExceptionInformation + HEX(00)], r9
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mov [rcx + EXCEPTION_RECORD_ExceptionInformation + HEX(08)], r10
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mov [rcx + EXCEPTION_RECORD_ExceptionInformation + HEX(10)], r11
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/* Set up KEXCEPTION_FRAME */
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mov rax, [rbp + KTRAP_FRAME_Rbp]
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mov [rsp + KEXCEPTION_FRAME_Rbp], rax
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mov [rsp + KEXCEPTION_FRAME_Rbx], rbx
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mov [rsp + KEXCEPTION_FRAME_Rdi], rdi
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mov [rsp + KEXCEPTION_FRAME_Rsi], rsi
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mov [rsp + KEXCEPTION_FRAME_R12], r12
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mov [rsp + KEXCEPTION_FRAME_R13], r13
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mov [rsp + KEXCEPTION_FRAME_R14], r14
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mov [rsp + KEXCEPTION_FRAME_R15], r15
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movdqa [rsp + KEXCEPTION_FRAME_Xmm6], xmm6
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movdqa [rsp + KEXCEPTION_FRAME_Xmm7], xmm7
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movdqa [rsp + KEXCEPTION_FRAME_Xmm8], xmm8
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movdqa [rsp + KEXCEPTION_FRAME_Xmm9], xmm9
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movdqa [rsp + KEXCEPTION_FRAME_Xmm10], xmm10
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movdqa [rsp + KEXCEPTION_FRAME_Xmm11], xmm11
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movdqa [rsp + KEXCEPTION_FRAME_Xmm12], xmm12
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movdqa [rsp + KEXCEPTION_FRAME_Xmm13], xmm13
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movdqa [rsp + KEXCEPTION_FRAME_Xmm14], xmm14
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movdqa [rsp + KEXCEPTION_FRAME_Xmm15], xmm15
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mov qword ptr [rsp + KEXCEPTION_FRAME_Return], 0
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/* Call KiDispatchException */
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// rcx already points to ExceptionRecord
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mov rdx, rsp // ExceptionFrame
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mov r8, rbp // TrapFrame
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mov r9b, [r8 + KTRAP_FRAME_PreviousMode] // PreviousMode
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mov byte ptr [rsp + KEXCEPTION_FRAME_P5], 1 // FirstChance
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call KiDispatchException
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/* Restore registers */
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mov r12, [rsp + KEXCEPTION_FRAME_R12]
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mov r13, [rsp + KEXCEPTION_FRAME_R13]
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mov r14, [rsp + KEXCEPTION_FRAME_R14]
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mov r15, [rsp + KEXCEPTION_FRAME_R15]
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movdqa xmm6, [rsp + KEXCEPTION_FRAME_Xmm6]
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movdqa xmm7, [rsp + KEXCEPTION_FRAME_Xmm7]
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movdqa xmm8, [rsp + KEXCEPTION_FRAME_Xmm8]
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movdqa xmm9, [rsp + KEXCEPTION_FRAME_Xmm9]
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movdqa xmm10, [rsp + KEXCEPTION_FRAME_Xmm10]
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movdqa xmm11, [rsp + KEXCEPTION_FRAME_Xmm11]
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movdqa xmm12, [rsp + KEXCEPTION_FRAME_Xmm12]
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movdqa xmm13, [rsp + KEXCEPTION_FRAME_Xmm13]
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movdqa xmm14, [rsp + KEXCEPTION_FRAME_Xmm14]
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movdqa xmm15, [rsp + KEXCEPTION_FRAME_Xmm15]
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add rsp, EXCEPTION_RECORD_LENGTH + KEXCEPTION_FRAME_LENGTH
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ret
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.ENDP
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/* SOFTWARE INTERRUPT SERVICES ***********************************************/
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PUBLIC KiDivideErrorFault
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FUNC KiDivideErrorFault
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/* Push pseudo error code */
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EnterTrap TF_SAVE_ALL
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/* Enable interrupts */
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sti
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/* Dispatch the exception */
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DispatchException STATUS_INTEGER_DIVIDE_BY_ZERO, 0, 0, 0, 0
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/* Return */
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ExitTrap TF_SAVE_ALL
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ENDFUNC
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PUBLIC KiDebugTrapOrFault
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FUNC KiDebugTrapOrFault
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/* Push pseudo error code */
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EnterTrap TF_SAVE_ALL
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/* Check if the frame was from kernelmode */
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test word ptr [rbp + KTRAP_FRAME_SegCs], 3
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jz KiDebugTrapOrFaultKMode
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/* Enable interrupts for user-mode */
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sti
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KiDebugTrapOrFaultKMode:
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/* Dispatch the exception */
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DispatchException STATUS_SINGLE_STEP, 0, 0, 0, 0
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/* Return */
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ExitTrap TF_SAVE_ALL
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ENDFUNC
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PUBLIC KiNmiInterrupt
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FUNC KiNmiInterrupt
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/* Push pseudo error code */
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EnterTrap TF_SAVE_ALL
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UNIMPLEMENTED KiNmiInterrupt
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int 3
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/* Return */
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ExitTrap TF_SAVE_ALL
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ENDFUNC
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PUBLIC KiBreakpointTrap
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FUNC KiBreakpointTrap
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/* Push pseudo error code */
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EnterTrap TF_SAVE_ALL
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/* Dispatch the exception */
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DispatchException STATUS_BREAKPOINT, 3, 0, 0, 0
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/* Return */
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ExitTrap TF_SAVE_ALL
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ENDFUNC
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PUBLIC KiOverflowTrap
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FUNC KiOverflowTrap
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/* Push pseudo error code */
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EnterTrap TF_SAVE_ALL
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/* Enable interrupts */
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sti
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/* Dispatch the exception */
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DispatchException STATUS_INTEGER_OVERFLOW, 3, 0, 0, 0
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/* Return */
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ExitTrap TF_SAVE_ALL
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ENDFUNC
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PUBLIC KiBoundFault
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FUNC KiBoundFault
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/* No error code */
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EnterTrap TF_SAVE_ALL
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/* Check if the frame was from kernelmode */
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test word ptr [rbp + KTRAP_FRAME_SegCs], 3
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jnz KiBoundFaultUserMode
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/* Bugcheck */
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Fatal EXCEPTION_BOUND_CHECK
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KiBoundFaultUserMode:
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/* Enable interrupts for user-mode */
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sti
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/* Dispatch the exception */
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DispatchException STATUS_ARRAY_BOUNDS_EXCEEDED, 0, 0, 0, 0
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/* Return */
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ExitTrap TF_SAVE_ALL
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ENDFUNC
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PUBLIC KiInvalidOpcodeFault
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FUNC KiInvalidOpcodeFault
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/* No error code */
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EnterTrap TF_SAVE_ALL
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/* Enable interrupts */
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sti
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/* Check if the frame was from kernelmode */
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test word ptr [rbp + KTRAP_FRAME_SegCs], 3
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jz KiInvalidOpcodeKernel
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// FIXME: handle STATUS_INVALID_LOCK_SEQUENCE
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KiInvalidOpcodeKernel:
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/* Kernel mode fault */
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/* Dispatch the exception */
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DispatchException STATUS_ILLEGAL_INSTRUCTION, 3, 0, 0, 0
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/* Return */
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ExitTrap TF_SAVE_ALL
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ENDFUNC
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PUBLIC KiNpxNotAvailableFault
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FUNC KiNpxNotAvailableFault
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/* No error code */
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EnterTrap TF_SAVE_ALL
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/* Call the C handler */
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mov rcx, rbp
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call KiNpxNotAvailableFaultHandler
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/* Check the return status code */
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test eax, eax
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jz KiNpxNotAvailableFaultExit
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/* Dispatch the exception */
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DispatchException eax, 3, 0, 0, 0
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KiNpxNotAvailableFaultExit:
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/* Return */
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ExitTrap TF_SAVE_ALL
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ENDFUNC
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PUBLIC KiDoubleFaultAbort
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FUNC KiDoubleFaultAbort
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/* No error code */
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EnterTrap TF_SAVE_ALL
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/* Bugcheck */
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Fatal 8 // EXCEPTION_DOUBLE_FAULT
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jmp $
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ENDFUNC
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PUBLIC KiNpxSegmentOverrunAbort
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FUNC KiNpxSegmentOverrunAbort
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/* No error code */
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EnterTrap TF_SAVE_ALL
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/* Bugcheck */
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Fatal EXCEPTION_NPX_OVERRUN
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jmp $
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ENDFUNC
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PUBLIC KiInvalidTssFault
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FUNC KiInvalidTssFault
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/* We have an error code */
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EnterTrap (TF_HAS_ERROR_CODE OR TF_SAVE_ALL)
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/* Bugcheck */
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Fatal EXCEPTION_INVALID_TSS
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jmp $
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ENDFUNC
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PUBLIC KiSegmentNotPresentFault
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FUNC KiSegmentNotPresentFault
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/* We have an error code */
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EnterTrap (TF_HAS_ERROR_CODE OR TF_SAVE_ALL)
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/* Bugcheck */
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Fatal EXCEPTION_SEGMENT_NOT_PRESENT
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jmp $
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ENDFUNC
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PUBLIC KiStackFault
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FUNC KiStackFault
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/* We have an error code */
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EnterTrap (TF_HAS_ERROR_CODE OR TF_SAVE_ALL)
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/* Bugcheck */
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Fatal EXCEPTION_STACK_FAULT
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jmp $
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ENDFUNC
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PUBLIC KiGeneralProtectionFault
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FUNC KiGeneralProtectionFault
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/* We have an error code */
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EnterTrap (TF_HAS_ERROR_CODE OR TF_SAVE_ALL)
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/* Call the C handler */
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mov rcx, rbp
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call KiGeneralProtectionFaultHandler
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/* Check for success */
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test eax, eax
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jge KiGpfExit
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/* Dispatch the exception */
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DispatchException eax, 3, 0, 0, 0
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KiGpfFatal:
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/* Bugcheck */
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mov ecx, UNEXPECTED_KERNEL_MODE_TRAP
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mov rdx, HEX(000D) // EXCEPTION_GP_FAULT
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xor r8, r8
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mov r9, [rbp + KTRAP_FRAME_ErrorCode] // error code
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sub rsp, 8
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mov [rsp + KTRAP_FRAME_P5+8], rbp // trap frame
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call KeBugCheckWithTf
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KiGpfExit:
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/* Return */
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/* Return */
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ExitTrap TF_SAVE_ALL
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ENDFUNC
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PUBLIC KiPageFault
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FUNC KiPageFault
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/* We have an error code */
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EnterTrap (TF_HAS_ERROR_CODE OR TF_SAVE_ALL)
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/* Save page fault address */
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mov rdx, cr2
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mov [rbp + KTRAP_FRAME_FaultAddress], rdx
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/* Call page fault handler */
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mov ecx, [rbp + KTRAP_FRAME_ErrorCode] // StoreInstruction
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and ecx, 1
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// rdx == Address
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mov r8b, [rbp + KTRAP_FRAME_SegCs] // Mode
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and r8b, 1
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mov r9, rbp // TrapInformation
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call MmAccessFault
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/* Check for success */
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test eax, eax
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jge PageFaultReturn
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/* Set parameter 1 to error code */
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mov r9d, [rbp + KTRAP_FRAME_ErrorCode]
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/* Set parameter2 to faulting address */
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mov r10, cr2 // Param2 = faulting address
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cmp eax, STATUS_ACCESS_VIOLATION
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je AccessViolation
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cmp eax, STATUS_GUARD_PAGE_VIOLATION
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je SpecialCode
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cmp eax, STATUS_STACK_OVERFLOW
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je SpecialCode
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InPageException:
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/* Dispatch in-page exception */
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mov r11d, eax // Param3 = Status
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mov eax, STATUS_IN_PAGE_ERROR // ExceptionCode
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mov edx, 3 // ParamCount
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call InternalDispatchException
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jmp PageFaultReturn
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AccessViolation:
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/* Use more proper status code */
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mov eax, KI_EXCEPTION_ACCESS_VIOLATION
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SpecialCode:
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/* Setup a normal page fault exception */
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mov edx, 2 // ParamCount
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call InternalDispatchException
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PageFaultReturn:
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/* Return */
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ExitTrap TF_SAVE_ALL
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ENDFUNC
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PUBLIC KiFloatingErrorFault
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FUNC KiFloatingErrorFault
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/* No error code */
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EnterTrap TF_SAVE_ALL
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UNIMPLEMENTED KiFloatingErrorFault
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int 3
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/* Return */
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ExitTrap TF_SAVE_ALL
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ENDFUNC
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PUBLIC KiAlignmentFault
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FUNC KiAlignmentFault
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/* We have an error code */
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EnterTrap (TF_HAS_ERROR_CODE OR TF_SAVE_ALL)
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/* Bugcheck */
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Fatal EXCEPTION_ALIGNMENT_CHECK
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jmp $
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ENDFUNC
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PUBLIC KiMcheckAbort
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FUNC KiMcheckAbort
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/* No error code */
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EnterTrap TF_SAVE_ALL
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/* Bugcheck */
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Fatal HEX(12)
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jmp $
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ENDFUNC
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PUBLIC KiXmmException
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FUNC KiXmmException
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/* No error code */
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EnterTrap TF_SAVE_ALL
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/* Call the C handler */
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mov rcx, rbp
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call KiXmmExceptionHandler
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/* Check for success */
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test eax, eax
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jge KiXmmExit
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/* Dispatch the exception */
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DispatchException eax, 3, 0, 0, 0
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KiXmmExit:
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/* Return */
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ExitTrap TF_SAVE_ALL
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ENDFUNC
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PUBLIC KiRaiseAssertion
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FUNC KiRaiseAssertion
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/* We have an error code */
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EnterTrap (TF_HAS_ERROR_CODE OR TF_SAVE_ALL)
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/* Decrement RIP to point to the INT2C instruction (2 bytes, not 1 like INT3) */
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sub qword ptr [rbp + KTRAP_FRAME_Rip], 2
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/* Dispatch the exception */
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DispatchException STATUS_ASSERTION_FAILURE, 0, 0, 0, 0
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/* Return */
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ExitTrap TF_SAVE_ALL
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ENDFUNC
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PUBLIC KiDebugServiceTrap
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.PROC KiDebugServiceTrap
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/* No error code */
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EnterTrap TF_SAVE_ALL
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/* Increase Rip to skip the int3 */
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inc qword ptr [rbp + KTRAP_FRAME_Rip]
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/* Dispatch the exception (Params = service, buffer, legth) */
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DispatchException STATUS_BREAKPOINT, 3, [rbp+KTRAP_FRAME_Rax], [rbp+KTRAP_FRAME_Rcx], [rbp+KTRAP_FRAME_Rdx]
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/* Return */
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ExitTrap TF_SAVE_ALL
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.ENDP
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PUBLIC KiApcInterrupt
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.PROC KiApcInterrupt
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/* No error code */
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EnterTrap (TF_VOLATILES or TF_IRQL)
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/* Raise to APC_LEVEL */
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mov rax, APC_LEVEL
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mov cr8, rax
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/* End the interrupt */
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mov dword ptr [APIC_EOI], 0
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/* Enable interrupts */
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sti
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/* Call the worker routine */
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mov cl, [rbp + KTRAP_FRAME_SegCs] // ProcessorMode
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and cl, 1
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mov rdx, 0 // ExceptionFrame
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mov r8, rdx // TrapFrame
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call KiDeliverApc
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/* Disable interrupts */
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cli
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/* Return */
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ExitTrap (TF_VOLATILES or TF_IRQL)
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.ENDP
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PUBLIC KiDpcInterrupt
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.PROC KiDpcInterrupt
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/* No error code */
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EnterTrap (TF_VOLATILES or TF_IRQL)
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|
|
|
/* Raise to DISPATCH_LEVEL */
|
|
mov rax, DISPATCH_LEVEL
|
|
mov cr8, rax
|
|
|
|
/* End the interrupt */
|
|
mov dword ptr [APIC_EOI], 0
|
|
|
|
/* Call the worker routine */
|
|
sti
|
|
call KiDispatchInterrupt
|
|
cli
|
|
|
|
/* Return */
|
|
ExitTrap (TF_VOLATILES or TF_IRQL)
|
|
.ENDP
|
|
|
|
|
|
PUBLIC KiIpiInterrupt
|
|
.PROC KiIpiInterrupt
|
|
/* No error code */
|
|
EnterTrap (TF_VOLATILES or TF_IRQL)
|
|
|
|
/* Raise to IPI_LEVEL */
|
|
mov rax, IPI_LEVEL
|
|
mov cr8, rax
|
|
|
|
/* End the interrupt */
|
|
mov dword ptr [APIC_EOI], 0
|
|
|
|
int 3
|
|
|
|
/* Return */
|
|
ExitTrap (TF_VOLATILES or TF_IRQL)
|
|
.ENDP
|
|
|
|
|
|
PUBLIC KiUnexpectedInterrupt
|
|
FUNC KiUnexpectedInterrupt
|
|
/* The error code is the vector */
|
|
EnterTrap (TF_HAS_ERROR_CODE OR TF_SAVE_ALL)
|
|
|
|
#if 0
|
|
/* Set bugcheck parameters */
|
|
mov ecx, TRAP_CAUSE_UNKNOWN
|
|
mov rdx, [rbp + KTRAP_FRAME_ErrorCode] // the vector
|
|
mov r8, 0 // The unknown floating-point exception
|
|
mov r9, 0 // The enabled and asserted status bits
|
|
sub rsp, 8
|
|
mov [rbp + KTRAP_FRAME_P5 + 8], rbp // trap frame
|
|
call KeBugCheckWithTf
|
|
jmp $
|
|
#endif
|
|
/* Return */
|
|
ExitTrap TF_SAVE_ALL
|
|
ENDFUNC
|
|
|
|
#ifdef _MSC_VER
|
|
#undef lgdt
|
|
#undef lidt
|
|
|
|
//void __lgdt(void *Source);
|
|
PUBLIC __lgdt
|
|
__lgdt:
|
|
lgdt fword ptr [rcx]
|
|
ret
|
|
|
|
//void __sgdt(void *Destination);
|
|
PUBLIC __sgdt
|
|
__sgdt:
|
|
sgdt fword ptr [rcx]
|
|
ret
|
|
|
|
// void __lldt(unsigned short Value)
|
|
PUBLIC __lldt
|
|
__lldt:
|
|
lldt cx
|
|
ret
|
|
|
|
//void __sldt(void *Destination);
|
|
PUBLIC __sldt
|
|
__sldt:
|
|
sldt word ptr [rcx]
|
|
ret
|
|
|
|
//void __ltr(unsigned short Source);
|
|
PUBLIC __ltr
|
|
__ltr:
|
|
ltr cx
|
|
ret
|
|
|
|
//void __str(unsigned short *Destination);
|
|
PUBLIC __str
|
|
__str:
|
|
str word ptr [rcx]
|
|
ret
|
|
|
|
#endif
|
|
|
|
END
|