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Save/Restore xmm6-xmm15 in function setJump/longJump.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8506 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
gikidy 2009-06-10 07:14:17 +00:00
parent 6fcb2d910a
commit 9b9641c6d9
3 changed files with 27 additions and 1 deletions
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2
MdePkg/Include/Library/BaseLib.h
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@ -101,6 +101,8 @@ typedef struct {
UINT64 R14; UINT64 R14;
UINT64 R15; UINT64 R15;
UINT64 Rip; UINT64 Rip;
UINT64 MxCsr;
UINT8 XmmBuffer[160]; ///< XMM6-XMM15
} BASE_LIBRARY_JUMP_BUFFER; } BASE_LIBRARY_JUMP_BUFFER;
#define BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT 8 #define BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT 8

12
MdePkg/Library/BaseLib/X64/LongJump.asm
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@ -39,6 +39,18 @@ InternalLongJump PROC
mov r13, [rcx + 30h] mov r13, [rcx + 30h]
mov r14, [rcx + 38h] mov r14, [rcx + 38h]
mov r15, [rcx + 40h] mov r15, [rcx + 40h]
; load non-volatile fp registers
ldmxcsr [rcx + 50h]
movdqu xmm6, [rcx + 58h]
movdqu xmm7, [rcx + 68h]
movdqu xmm8, [rcx + 78h]
movdqu xmm9, [rcx + 88h]
movdqu xmm10, [rcx + 98h]
movdqu xmm11, [rcx + 0A8h]
movdqu xmm12, [rcx + 0B8h]
movdqu xmm13, [rcx + 0C8h]
movdqu xmm14, [rcx + 0D8h]
movdqu xmm15, [rcx + 0E8h]
mov rax, rdx ; set return value mov rax, rdx ; set return value
jmp qword ptr [rcx + 48h] jmp qword ptr [rcx + 48h]
InternalLongJump ENDP InternalLongJump ENDP

12
MdePkg/Library/BaseLib/X64/SetJump.asm
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@ -47,6 +47,18 @@ SetJump PROC
mov [rcx + 38h], r14 mov [rcx + 38h], r14
mov [rcx + 40h], r15 mov [rcx + 40h], r15
mov [rcx + 48h], rdx mov [rcx + 48h], rdx
; save non-volatile fp registers
stmxcsr [rcx + 50h]
movdqu [rcx + 58h], xmm6
movdqu [rcx + 68h], xmm7
movdqu [rcx + 78h], xmm8
movdqu [rcx + 88h], xmm9
movdqu [rcx + 98h], xmm10
movdqu [rcx + 0A8h], xmm11
movdqu [rcx + 0B8h], xmm12
movdqu [rcx + 0C8h], xmm13
movdqu [rcx + 0D8h], xmm14
movdqu [rcx + 0E8h], xmm15
xor rax, rax xor rax, rax
jmp rdx jmp rdx
SetJump ENDP SetJump ENDP