mirror of
https://github.com/reactos/reactos.git
synced 2025-08-05 16:12:58 +00:00
Add .gitattributes and .gitignore files and normalize line endings in the repository (#10)
This commit is contained in:
Colin Finck
GitHub
parent
c609406c2f
commit
9ebf43567d
309 changed files with 66975 additions and 66873 deletions
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@ -1,244 +1,244 @@
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APIC_EOI = HEX(0FFFFFFFFFFFE00B0)
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TF_VOLATILES = HEX(01)
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TF_NONVOLATILES = HEX(02)
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TF_XMM = HEX(04)
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TF_SEGMENTS = HEX(08)
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TF_DEBUG = HEX(10)
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TF_IRQL = HEX(20)
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TF_SAVE_ALL = (TF_VOLATILES OR TF_NONVOLATILES OR TF_XMM OR TF_SEGMENTS)
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TF_HAS_ERROR_CODE = HEX(40)
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TF_SEND_EOI = HEX(80)
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//TF_SYSTEMSERVICE = (TRAPFLAG_VOLATILES or TRAPFLAG_DEBUG)
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TF_CHECKUSERAPC = HEX(100)
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/*
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* Stack Layout:
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* |-------------------|
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* | KTRAP_FRAME |
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* |-------------------| <- rbp
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* | EXCEPTION_RECORD |
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* |-------------------|
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* | KEXCEPTION_FRAME |
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* |-------------------| <- rsp
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*
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*/
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/*
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* EnterTrap - Allocate KTRAP_FRAME_LENGTH and save registers to it
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*/
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MACRO(EnterTrap, Flags)
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LOCAL kernel_mode_entry
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/* Save the trap flags for this trap */
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CurrentTrapFlags = VAL(Flags)
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/* Size of hardware trap frame */
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if (Flags AND TF_HAS_ERROR_CODE)
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.pushframe code
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SIZE_INITIAL_FRAME = 6 * 8
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else
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.pushframe
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SIZE_INITIAL_FRAME = 5 * 8
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endif
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/* Make room for a KTRAP_FRAME */
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sub rsp, (KTRAP_FRAME_LENGTH - SIZE_INITIAL_FRAME)
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.allocstack (KTRAP_FRAME_LENGTH - SIZE_INITIAL_FRAME)
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/* Save rbp and rax */
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mov [rsp + KTRAP_FRAME_Rbp], rbp
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.savereg rbp, KTRAP_FRAME_Rbp
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mov [rsp + KTRAP_FRAME_Rax], rax
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.savereg rax, KTRAP_FRAME_Rax
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/* Point rbp to the KTRAP_FRAME */
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lea rbp, [rsp]
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.setframe rbp, 0
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if (Flags AND TF_NONVOLATILES)
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/* Save non-volatile registers */
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mov [rbp + KTRAP_FRAME_Rbx], rbx
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.savereg rbx, KTRAP_FRAME_Rbx
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mov [rbp + KTRAP_FRAME_Rdi], rdi
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.savereg rdi, KTRAP_FRAME_Rdi
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mov [rbp + KTRAP_FRAME_Rsi], rsi
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.savereg rsi, KTRAP_FRAME_Rsi
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endif
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.endprolog
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if (Flags AND TF_VOLATILES)
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/* Save volatile registers */
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mov [rbp + KTRAP_FRAME_Rcx], rcx
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mov [rbp + KTRAP_FRAME_Rdx], rdx
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mov [rbp + KTRAP_FRAME_R8], r8
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mov [rbp + KTRAP_FRAME_R9], r9
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mov [rbp + KTRAP_FRAME_R10], r10
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mov [rbp + KTRAP_FRAME_R11], r11
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endif
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if (Flags AND TF_XMM)
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/* Save xmm registers */
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movdqa [rbp + KTRAP_FRAME_Xmm0], xmm0
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movdqa [rbp + KTRAP_FRAME_Xmm1], xmm1
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movdqa [rbp + KTRAP_FRAME_Xmm2], xmm2
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movdqa [rbp + KTRAP_FRAME_Xmm3], xmm3
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movdqa [rbp + KTRAP_FRAME_Xmm4], xmm4
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movdqa [rbp + KTRAP_FRAME_Xmm5], xmm5
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endif
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if (Flags AND TF_SEGMENTS)
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/* Save segment selectors */
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mov [rbp + KTRAP_FRAME_SegDs], ds
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mov [rbp + KTRAP_FRAME_SegEs], es
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mov [rbp + KTRAP_FRAME_SegFs], fs
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mov [rbp + KTRAP_FRAME_SegGs], gs
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endif
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/* Save previous mode and check if it was user mode */
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mov ax, [rbp + KTRAP_FRAME_SegCs]
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and al, 1
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mov [rbp + KTRAP_FRAME_PreviousMode], al
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jz kernel_mode_entry
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/* Set sane segments */
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mov ax, (KGDT64_R3_DATA or RPL_MASK)
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mov ds, ax
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mov es, ax
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swapgs
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kernel_mode_entry:
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// if (Flags AND TF_IRQL)
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/* Save previous irql */
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mov rax, cr8
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mov [rbp + KTRAP_FRAME_PreviousIrql], al
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// endif
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if (Flags AND TF_DEBUG)
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/* Save debug registers */
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mov rax, dr0
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mov [rbp + KTRAP_FRAME_Dr0], rax
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mov rax, dr1
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mov [rbp + KTRAP_FRAME_Dr1], rax
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mov rax, dr2
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mov [rbp + KTRAP_FRAME_Dr2], rax
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mov rax, dr3
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mov [rbp + KTRAP_FRAME_Dr3], rax
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mov rax, dr6
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mov [rbp + KTRAP_FRAME_Dr6], rax
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mov rax, dr7
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mov [rbp + KTRAP_FRAME_Dr7], rax
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endif
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/* Make sure the direction flag is cleared */
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cld
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ENDM
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/*
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* ExitTrap - Restore registers and free stack space
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*/
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MACRO(ExitTrap, Flags)
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LOCAL kernel_mode_return
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#if DBG
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/* Check previous irql */
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mov rax, cr8
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cmp [rbp + KTRAP_FRAME_PreviousIrql], al
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je .irql_ok
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int 3
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.irql_ok:
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#endif
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if (Flags AND TF_SEGMENTS)
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/* Restore segment selectors */
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mov ds, [rbp + KTRAP_FRAME_SegDs]
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mov es, [rbp + KTRAP_FRAME_SegEs]
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mov fs, [rbp + KTRAP_FRAME_SegFs]
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endif
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if (Flags AND TF_IRQL)
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/* Restore previous irql */
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movzx rax, byte ptr [rbp + KTRAP_FRAME_PreviousIrql]
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mov cr8, rax
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endif
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/* Check if we came from user mode */
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test byte ptr [rbp + KTRAP_FRAME_SegCs], 1
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jz kernel_mode_return
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if (Flags AND TF_CHECKUSERAPC)
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/* Load current thread into r10 */
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mov r10, gs:[PcCurrentThread]
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cmp byte ptr [r10 + KTHREAD_UserApcPending], 0
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jne KiExitToUserApc
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endif
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/* Swap gs to user mode */
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swapgs
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kernel_mode_return:
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if (Flags AND TF_NONVOLATILES)
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/* Restore non-volatile registers */
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mov rbx, [rbp + KTRAP_FRAME_Rbx]
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mov rdi, [rbp + KTRAP_FRAME_Rdi]
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mov rsi, [rbp + KTRAP_FRAME_Rsi]
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endif
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if (Flags AND TF_VOLATILES)
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/* Restore volatile registers */
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mov rax, [rbp + KTRAP_FRAME_Rax]
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mov rcx, [rbp + KTRAP_FRAME_Rcx]
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mov rdx, [rbp + KTRAP_FRAME_Rdx]
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mov r8, [rbp + KTRAP_FRAME_R8]
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mov r9, [rbp + KTRAP_FRAME_R9]
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mov r10, [rbp + KTRAP_FRAME_R10]
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mov r11, [rbp + KTRAP_FRAME_R11]
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endif
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if (Flags AND TF_XMM)
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/* Restore xmm registers */
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movdqa xmm0, [rbp + KTRAP_FRAME_Xmm0]
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movdqa xmm1, [rbp + KTRAP_FRAME_Xmm1]
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movdqa xmm2, [rbp + KTRAP_FRAME_Xmm2]
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movdqa xmm3, [rbp + KTRAP_FRAME_Xmm3]
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movdqa xmm4, [rbp + KTRAP_FRAME_Xmm4]
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movdqa xmm5, [rbp + KTRAP_FRAME_Xmm5]
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endif
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/* Restore rbp */
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mov rbp, [rbp + KTRAP_FRAME_Rbp]
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/* Adjust stack pointer */
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add rsp, KTRAP_FRAME_Rip
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if (Flags AND TF_SEND_EOI)
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/* Write 0 to the local APIC EOI register */
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mov dword ptr [APIC_EOI], 0
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endif
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/* Return from the trap */
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iretq
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ENDM
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MACRO(TRAP_ENTRY, Trap, Flags)
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EXTERN Trap&Handler :PROC
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PUBLIC &Trap
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FUNC &Trap
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/* Common code to create the trap frame */
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EnterTrap Flags
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/* Call the C handler */
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mov rcx, rbp
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call Trap&Handler
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/* Leave */
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ExitTrap Flags
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ENDFUNC
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ENDM
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APIC_EOI = HEX(0FFFFFFFFFFFE00B0)
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TF_VOLATILES = HEX(01)
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TF_NONVOLATILES = HEX(02)
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TF_XMM = HEX(04)
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TF_SEGMENTS = HEX(08)
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TF_DEBUG = HEX(10)
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TF_IRQL = HEX(20)
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TF_SAVE_ALL = (TF_VOLATILES OR TF_NONVOLATILES OR TF_XMM OR TF_SEGMENTS)
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TF_HAS_ERROR_CODE = HEX(40)
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TF_SEND_EOI = HEX(80)
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//TF_SYSTEMSERVICE = (TRAPFLAG_VOLATILES or TRAPFLAG_DEBUG)
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TF_CHECKUSERAPC = HEX(100)
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/*
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* Stack Layout:
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* |-------------------|
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* | KTRAP_FRAME |
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* |-------------------| <- rbp
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* | EXCEPTION_RECORD |
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* |-------------------|
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* | KEXCEPTION_FRAME |
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* |-------------------| <- rsp
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*
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*/
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/*
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* EnterTrap - Allocate KTRAP_FRAME_LENGTH and save registers to it
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*/
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MACRO(EnterTrap, Flags)
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LOCAL kernel_mode_entry
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/* Save the trap flags for this trap */
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CurrentTrapFlags = VAL(Flags)
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/* Size of hardware trap frame */
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if (Flags AND TF_HAS_ERROR_CODE)
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.pushframe code
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SIZE_INITIAL_FRAME = 6 * 8
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else
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.pushframe
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SIZE_INITIAL_FRAME = 5 * 8
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endif
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/* Make room for a KTRAP_FRAME */
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sub rsp, (KTRAP_FRAME_LENGTH - SIZE_INITIAL_FRAME)
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.allocstack (KTRAP_FRAME_LENGTH - SIZE_INITIAL_FRAME)
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/* Save rbp and rax */
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mov [rsp + KTRAP_FRAME_Rbp], rbp
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.savereg rbp, KTRAP_FRAME_Rbp
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mov [rsp + KTRAP_FRAME_Rax], rax
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.savereg rax, KTRAP_FRAME_Rax
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/* Point rbp to the KTRAP_FRAME */
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lea rbp, [rsp]
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.setframe rbp, 0
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if (Flags AND TF_NONVOLATILES)
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/* Save non-volatile registers */
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mov [rbp + KTRAP_FRAME_Rbx], rbx
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.savereg rbx, KTRAP_FRAME_Rbx
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mov [rbp + KTRAP_FRAME_Rdi], rdi
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.savereg rdi, KTRAP_FRAME_Rdi
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mov [rbp + KTRAP_FRAME_Rsi], rsi
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.savereg rsi, KTRAP_FRAME_Rsi
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endif
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.endprolog
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if (Flags AND TF_VOLATILES)
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/* Save volatile registers */
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mov [rbp + KTRAP_FRAME_Rcx], rcx
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mov [rbp + KTRAP_FRAME_Rdx], rdx
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mov [rbp + KTRAP_FRAME_R8], r8
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mov [rbp + KTRAP_FRAME_R9], r9
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mov [rbp + KTRAP_FRAME_R10], r10
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mov [rbp + KTRAP_FRAME_R11], r11
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endif
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if (Flags AND TF_XMM)
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/* Save xmm registers */
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movdqa [rbp + KTRAP_FRAME_Xmm0], xmm0
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movdqa [rbp + KTRAP_FRAME_Xmm1], xmm1
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movdqa [rbp + KTRAP_FRAME_Xmm2], xmm2
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movdqa [rbp + KTRAP_FRAME_Xmm3], xmm3
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movdqa [rbp + KTRAP_FRAME_Xmm4], xmm4
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movdqa [rbp + KTRAP_FRAME_Xmm5], xmm5
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endif
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if (Flags AND TF_SEGMENTS)
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/* Save segment selectors */
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mov [rbp + KTRAP_FRAME_SegDs], ds
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mov [rbp + KTRAP_FRAME_SegEs], es
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mov [rbp + KTRAP_FRAME_SegFs], fs
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mov [rbp + KTRAP_FRAME_SegGs], gs
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endif
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/* Save previous mode and check if it was user mode */
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mov ax, [rbp + KTRAP_FRAME_SegCs]
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and al, 1
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mov [rbp + KTRAP_FRAME_PreviousMode], al
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jz kernel_mode_entry
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/* Set sane segments */
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mov ax, (KGDT64_R3_DATA or RPL_MASK)
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mov ds, ax
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mov es, ax
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swapgs
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kernel_mode_entry:
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// if (Flags AND TF_IRQL)
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/* Save previous irql */
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mov rax, cr8
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mov [rbp + KTRAP_FRAME_PreviousIrql], al
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// endif
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if (Flags AND TF_DEBUG)
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/* Save debug registers */
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mov rax, dr0
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mov [rbp + KTRAP_FRAME_Dr0], rax
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mov rax, dr1
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mov [rbp + KTRAP_FRAME_Dr1], rax
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mov rax, dr2
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mov [rbp + KTRAP_FRAME_Dr2], rax
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mov rax, dr3
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mov [rbp + KTRAP_FRAME_Dr3], rax
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mov rax, dr6
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mov [rbp + KTRAP_FRAME_Dr6], rax
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mov rax, dr7
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mov [rbp + KTRAP_FRAME_Dr7], rax
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endif
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/* Make sure the direction flag is cleared */
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cld
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ENDM
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/*
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* ExitTrap - Restore registers and free stack space
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*/
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MACRO(ExitTrap, Flags)
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LOCAL kernel_mode_return
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#if DBG
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/* Check previous irql */
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mov rax, cr8
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cmp [rbp + KTRAP_FRAME_PreviousIrql], al
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je .irql_ok
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int 3
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.irql_ok:
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#endif
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if (Flags AND TF_SEGMENTS)
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/* Restore segment selectors */
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mov ds, [rbp + KTRAP_FRAME_SegDs]
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mov es, [rbp + KTRAP_FRAME_SegEs]
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mov fs, [rbp + KTRAP_FRAME_SegFs]
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endif
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if (Flags AND TF_IRQL)
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/* Restore previous irql */
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movzx rax, byte ptr [rbp + KTRAP_FRAME_PreviousIrql]
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mov cr8, rax
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endif
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/* Check if we came from user mode */
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test byte ptr [rbp + KTRAP_FRAME_SegCs], 1
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jz kernel_mode_return
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if (Flags AND TF_CHECKUSERAPC)
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/* Load current thread into r10 */
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mov r10, gs:[PcCurrentThread]
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cmp byte ptr [r10 + KTHREAD_UserApcPending], 0
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jne KiExitToUserApc
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endif
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/* Swap gs to user mode */
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swapgs
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kernel_mode_return:
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if (Flags AND TF_NONVOLATILES)
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/* Restore non-volatile registers */
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mov rbx, [rbp + KTRAP_FRAME_Rbx]
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mov rdi, [rbp + KTRAP_FRAME_Rdi]
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mov rsi, [rbp + KTRAP_FRAME_Rsi]
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endif
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if (Flags AND TF_VOLATILES)
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/* Restore volatile registers */
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mov rax, [rbp + KTRAP_FRAME_Rax]
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mov rcx, [rbp + KTRAP_FRAME_Rcx]
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mov rdx, [rbp + KTRAP_FRAME_Rdx]
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mov r8, [rbp + KTRAP_FRAME_R8]
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mov r9, [rbp + KTRAP_FRAME_R9]
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mov r10, [rbp + KTRAP_FRAME_R10]
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mov r11, [rbp + KTRAP_FRAME_R11]
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endif
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if (Flags AND TF_XMM)
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/* Restore xmm registers */
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movdqa xmm0, [rbp + KTRAP_FRAME_Xmm0]
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movdqa xmm1, [rbp + KTRAP_FRAME_Xmm1]
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movdqa xmm2, [rbp + KTRAP_FRAME_Xmm2]
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movdqa xmm3, [rbp + KTRAP_FRAME_Xmm3]
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movdqa xmm4, [rbp + KTRAP_FRAME_Xmm4]
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movdqa xmm5, [rbp + KTRAP_FRAME_Xmm5]
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endif
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/* Restore rbp */
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mov rbp, [rbp + KTRAP_FRAME_Rbp]
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/* Adjust stack pointer */
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add rsp, KTRAP_FRAME_Rip
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if (Flags AND TF_SEND_EOI)
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/* Write 0 to the local APIC EOI register */
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mov dword ptr [APIC_EOI], 0
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endif
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/* Return from the trap */
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iretq
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||||
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
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue