From 3668c083cdc56cae1c1d95deef3562a086a17bb2 Mon Sep 17 00:00:00 2001 From: gikidy Date: Mon, 17 Aug 2009 05:39:17 +0000 Subject: [PATCH] Remove ".intel_syntax", convert MASM to GAS. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9079 6f19259b-4bc3-4df7-8a09-765794883524 --- UefiCpuPkg/CpuDxe/Ia32/IvtAsm.S | 1 - UefiCpuPkg/CpuDxe/X64/CpuAsm.S | 356 ++++++++++++++++---------------- 2 files changed, 176 insertions(+), 181 deletions(-) diff --git a/UefiCpuPkg/CpuDxe/Ia32/IvtAsm.S b/UefiCpuPkg/CpuDxe/Ia32/IvtAsm.S index 2a6341a989..a2862fb800 100755 --- a/UefiCpuPkg/CpuDxe/Ia32/IvtAsm.S +++ b/UefiCpuPkg/CpuDxe/Ia32/IvtAsm.S @@ -24,7 +24,6 @@ # .macro SingleIdtVectorMacro vectorNum - .intel_syntax call ASM_PFX(CommonInterruptEntry) .short \vectorNum nop diff --git a/UefiCpuPkg/CpuDxe/X64/CpuAsm.S b/UefiCpuPkg/CpuDxe/X64/CpuAsm.S index 9d4c26190e..a6885454fc 100755 --- a/UefiCpuPkg/CpuDxe/X64/CpuAsm.S +++ b/UefiCpuPkg/CpuDxe/X64/CpuAsm.S @@ -1,4 +1,4 @@ -# TITLE CpuAsm.asm: +# TITLE CpuAsm.S: #------------------------------------------------------------------------------ #* @@ -30,11 +30,10 @@ ExternalVectorTablePtr: .byte 0, 0, 0, 0, 0, 0, 0, 0 -.intel_syntax ASM_GLOBAL ASM_PFX(InitializeExternalVectorTablePtr) ASM_PFX(InitializeExternalVectorTablePtr): - lea %rax, [%rip+ExternalVectorTablePtr] # save vector number - mov [%rax], %rcx + lea ExternalVectorTablePtr(%rip), %rax # save vector number + mov %rcx, (%rax) ret @@ -44,16 +43,15 @@ ASM_PFX(InitializeExternalVectorTablePtr): # UINT16 Selector # ); #------------------------------------------------------------------------------ -.intel_syntax ASM_GLOBAL ASM_PFX(SetCodeSelector) ASM_PFX(SetCodeSelector): - sub %rsp, 0x10 - lea %rax, [%rip+setCodeSelectorLongJump] - mov [%rsp], %rax - mov [%rsp+4], %cx - jmp fword ptr [%rsp] + subq $0x10, %rsp + leaq setCodeSelectorLongJump(%rip), %rax + movq %rax, (%rsp) + movw %cx, 4(%rsp) + .byte 0xFF, 0x2C, 0x24 # jmp (%rsp) note:fword jmp setCodeSelectorLongJump: - add %rsp, 0x10 + addq $0x10, %rsp ret #------------------------------------------------------------------------------ @@ -62,14 +60,13 @@ setCodeSelectorLongJump: # UINT16 Selector # ); #------------------------------------------------------------------------------ -.intel_syntax ASM_GLOBAL ASM_PFX(SetDataSelectors) ASM_PFX(SetDataSelectors): - mov %ss, %cx - mov %ds, %cx - mov %es, %cx - mov %fs, %cx - mov %gs, %cx + movw %cx, %ss + movw %cx, %ds + movw %cx, %es + movw %cx, %fs + movw %cx, %gs ret #---------------------------------------; @@ -77,7 +74,6 @@ ASM_PFX(SetDataSelectors): #---------------------------------------; # The follow algorithm is used for the common interrupt routine. -.intel_syntax ASM_GLOBAL ASM_PFX(CommonInterruptEntry) ASM_PFX(CommonInterruptEntry): cli @@ -88,14 +84,14 @@ ASM_PFX(CommonInterruptEntry): # # Calculate vector number # - xchg %rcx, [%rsp] # get the return address of call, actually, it is the address of vector number. - movzx %ecx, word ptr [%rcx] - cmp %ecx, 32 # Intel reserved vector for exceptions? + xchgq (%rsp), %rcx # get the return address of call, actually, it is the address of vector number. + movzwl (%rcx), %ecx + cmp $32, %ecx # Intel reserved vector for exceptions? jae NoErrorCode - push %rax - lea %rax, [%rip+ASM_PFX(mErrorCodeFlag)] - bt dword ptr [%rax], %ecx - pop %rax + pushq %rax + leaq ASM_PFX(mErrorCodeFlag)(%rip), %rax + bt %ecx, (%rax) + popq %rax jc CommonInterruptEntry_al_0000 NoErrorCode: @@ -104,11 +100,11 @@ NoErrorCode: # Push a dummy error code on the stack # to maintain coherent stack map # - push [%rsp] - mov qword ptr [%rsp + 8], 0 + pushq (%rsp) + movq $0, 8(%rsp) CommonInterruptEntry_al_0000: - push %rbp - mov %rbp, %rsp + pushq %rbp + movq %rsp, %rbp # # Stack: @@ -140,219 +136,219 @@ CommonInterruptEntry_al_0000: #; UINT64 Rdi, Rsi, Rbp, Rsp, Rbx, Rdx, Rcx, Rax; #; UINT64 R8, R9, R10, R11, R12, R13, R14, R15; - push %r15 - push %r14 - push %r13 - push %r12 - push %r11 - push %r10 - push %r9 - push %r8 - push %rax - push qword ptr [%rbp + 8] # RCX - push %rdx - push %rbx - push qword ptr [%rbp + 48] # RSP - push qword ptr [%rbp] # RBP - push %rsi - push %rdi + pushq %r15 + pushq %r14 + pushq %r13 + pushq %r12 + pushq %r11 + pushq %r10 + pushq %r9 + pushq %r8 + pushq %rax + pushq 8(%rbp) # RCX + pushq %rdx + pushq %rbx + pushq 48(%rbp) # RSP + pushq (%rbp) # RBP + pushq %rsi + pushq %rdi #; UINT64 Gs, Fs, Es, Ds, Cs, Ss; insure high 16 bits of each is zero - movzx %rax, word ptr [%rbp + 56] - push %rax # for ss - movzx %rax, word ptr [%rbp + 32] - push %rax # for cs - mov %rax, %ds - push %rax - mov %rax, %es - push %rax - mov %rax, %fs - push %rax - mov %rax, %gs - push %rax - - mov [%rbp + 8], %rcx # save vector number + movzwq 56(%rbp), %rax + pushq %rax # for ss + movzwq 32(%rbp), %rax + pushq %rax # for cs + movq %ds, %rax + pushq %rax + movq %es, %rax + pushq %rax + movq %fs, %rax + pushq %rax + movq %gs, %rax + pushq %rax + + movq %rcx, 8(%rbp) # save vector number #; UINT64 Rip; - push qword ptr [%rbp + 24] + pushq 24(%rbp) #; UINT64 Gdtr[2], Idtr[2]; - xor %rax, %rax - push %rax - push %rax - sidt [%rsp] - xchg %rax, [%rsp + 2] - xchg %rax, [%rsp] - xchg %rax, [%rsp + 8] - - xor %rax, %rax - push %rax - push %rax - sgdt [%rsp] - xchg %rax, [%rsp + 2] - xchg %rax, [%rsp] - xchg %rax, [%rsp + 8] + xorq %rax, %rax + pushq %rax + pushq %rax + sidt (%rsp) + xchgq 2(%rsp), %rax + xchgq (%rsp), %rax + xchgq 8(%rsp), %rax + + xorq %rax, %rax + pushq %rax + pushq %rax + sgdt (%rsp) + xchgq 2(%rsp), %rax + xchgq (%rsp), %rax + xchgq 8(%rsp), %rax #; UINT64 Ldtr, Tr; - xor %rax, %rax + xorq %rax, %rax str %ax - push %rax + pushq %rax sldt %ax - push %rax + pushq %rax #; UINT64 RFlags; - push qword ptr [%rbp + 40] + pushq 40(%rbp) #; UINT64 Cr0, Cr1, Cr2, Cr3, Cr4, Cr8; - mov %rax, %cr8 - push %rax - mov %rax, %cr4 - or %rax, 0x208 - mov %cr4, %rax - push %rax - mov %rax, %cr3 - push %rax - mov %rax, %cr2 - push %rax - xor %rax, %rax - push %rax - mov %rax, %cr0 - push %rax + movq %cr8, %rax + pushq %rax + movq %cr4, %rax + orq $0x208, %rax + movq %rax, %cr4 + pushq %rax + mov %cr3, %rax + pushq %rax + mov %cr2, %rax + pushq %rax + xorq %rax, %rax + pushq %rax + mov %cr0, %rax + pushq %rax #; UINT64 Dr0, Dr1, Dr2, Dr3, Dr6, Dr7; - mov %rax, %dr7 - push %rax + movq %dr7, %rax + pushq %rax #; clear Dr7 while executing debugger itself - xor %rax, %rax - mov %dr7, %rax + xorq %rax, %rax + movq %rax, %dr7 - mov %rax, %dr6 - push %rax + movq %dr6, %rax + pushq %rax #; insure all status bits in dr6 are clear... - xor %rax, %rax - mov %dr6, %rax - - mov %rax, %dr3 - push %rax - mov %rax, %dr2 - push %rax - mov %rax, %dr1 - push %rax - mov %rax, %dr0 - push %rax + xorq %rax, %rax + movq %rax, %dr6 + + movq %dr3, %rax + pushq %rax + movq %dr2, %rax + pushq %rax + movq %dr1, %rax + pushq %rax + movq %dr0, %rax + pushq %rax #; FX_SAVE_STATE_X64 FxSaveState; - sub %rsp, 512 - mov %rdi, %rsp + subq $512, %rsp + movq %rsp, %rdi .byte 0x0f, 0x0ae, 0x07 #fxsave [rdi] #; UINT32 ExceptionData; - push qword ptr [%rbp + 16] + pushq 16(%rbp) #; call into exception handler - mov %rcx, [%rbp + 8] - lea %rax, [%rip+ExternalVectorTablePtr] - mov %eax, [%eax] - mov %rax, [%rax + %rcx * 8] - or %rax, %rax # NULL? + movq 8(%rbp), %rcx + leaq ExternalVectorTablePtr(%rip), %rax + movl (%eax), %eax + movq (%rax,%rcx,8), %rax + orq %rax, %rax # NULL? je nonNullValue# #; Prepare parameter and call # mov rcx, [rbp + 8] - mov %rdx, %rsp + mov %rsp, %rdx # # Per X64 calling convention, allocate maximum parameter stack space # and make sure RSP is 16-byte aligned # - sub %rsp, 4 * 8 + 8 - call %rax - add %rsp, 4 * 8 + 8 + subq $40, %rsp + call *%rax + addq $40, %rsp nonNullValue: cli #; UINT64 ExceptionData; - add %rsp, 8 + addq $8, %rsp #; FX_SAVE_STATE_X64 FxSaveState; - mov %rsi, %rsp + movq %rsp, %rsi .byte 0x0f, 0x0ae, 0x0E # fxrstor [rsi] - add %rsp, 512 + addq $512, %rsp #; UINT64 Dr0, Dr1, Dr2, Dr3, Dr6, Dr7; - pop %rax - mov %dr0, %rax - pop %rax - mov %dr1, %rax - pop %rax - mov %dr2, %rax - pop %rax - mov %dr3, %rax + popq %rax + movq %rax, %dr0 + popq %rax + movq %rax, %dr1 + popq %rax + movq %rax, %dr2 + popq %rax + movq %rax, %dr3 #; skip restore of dr6. We cleared dr6 during the context save. - add %rsp, 8 - pop %rax - mov %dr7, %rax + addq $8, %rsp + popq %rax + movq %rax, %dr7 #; UINT64 Cr0, Cr1, Cr2, Cr3, Cr4, Cr8; - pop %rax - mov %cr0, %rax - add %rsp, 8 # not for Cr1 - pop %rax - mov %cr2, %rax - pop %rax - mov %cr3, %rax - pop %rax - mov %cr4, %rax - pop %rax - mov %cr8, %rax + popq %rax + movq %rax, %cr0 + addq $8, %rsp # not for Cr1 + popq %rax + movq %rax, %cr2 + popq %rax + movq %rax, %cr3 + popq %rax + movq %rax, %cr4 + popq %rax + movq %rax, %cr8 #; UINT64 RFlags; - pop qword ptr [%rbp + 40] + popq 40(%rbp) #; UINT64 Ldtr, Tr; #; UINT64 Gdtr[2], Idtr[2]; #; Best not let anyone mess with these particular registers... - add %rsp, 48 + addq $48, %rsp #; UINT64 Rip; - pop qword ptr [%rbp + 24] + popq 24(%rbp) #; UINT64 Gs, Fs, Es, Ds, Cs, Ss; - pop %rax - # mov gs, rax ; not for gs - pop %rax - # mov fs, rax ; not for fs + popq %rax + # mov %rax, %gs ; not for gs + popq %rax + # mov %rax, %fs ; not for fs # (X64 will not use fs and gs, so we do not restore it) - pop %rax - mov %es, %rax - pop %rax - mov %ds, %rax - pop qword ptr [%rbp + 32] # for cs - pop qword ptr [%rbp + 56] # for ss + popq %rax + movq %rax, %es + popq %rax + movq %rax, %ds + popq 32(%rbp) # for cs + popq 56(%rbp) # for ss #; UINT64 Rdi, Rsi, Rbp, Rsp, Rbx, Rdx, Rcx, Rax; #; UINT64 R8, R9, R10, R11, R12, R13, R14, R15; - pop %rdi - pop %rsi - add %rsp, 8 # not for rbp - pop qword ptr [%rbp + 48] # for rsp - pop %rbx - pop %rdx - pop %rcx - pop %rax - pop %r8 - pop %r9 - pop %r10 - pop %r11 - pop %r12 - pop %r13 - pop %r14 - pop %r15 - - mov %rsp, %rbp - pop %rbp - add %rsp, 16 + popq %rdi + popq %rsi + addq $8, %rsp # not for rbp + popq 48(%rbp) # for rsp + popq %rbx + popq %rdx + popq %rcx + popq %rax + popq %r8 + popq %r9 + popq %r10 + popq %r11 + popq %r12 + popq %r13 + popq %r14 + popq %r15 + + movq %rbp, %rsp + popq %rbp + addq $16, %rsp iretq -- 2.39.2