diff options
Diffstat (limited to 'MdePkg')
| -rw-r--r-- | MdePkg/Library/BaseLib/X64/LongJump.S | 12 | ||||
| -rw-r--r-- | MdePkg/Library/BaseLib/X64/SetJump.S | 12 |
2 files changed, 24 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/X64/LongJump.S b/MdePkg/Library/BaseLib/X64/LongJump.S index d43fcf0..a0fe61f 100644 --- a/MdePkg/Library/BaseLib/X64/LongJump.S +++ b/MdePkg/Library/BaseLib/X64/LongJump.S @@ -38,5 +38,17 @@ ASM_PFX(InternalLongJump): mov 0x30(%rcx), %r13
mov 0x38(%rcx), %r14
mov 0x40(%rcx), %r15
+ # load non-volatile fp registers
+ ldmxcsr 0x50(%rcx)
+ movdqa 0x58(%rcx), %xmm6
+ movdqa 0x68(%rcx), %xmm7
+ movdqa 0x78(%rcx), %xmm8
+ movdqa 0x88(%rcx), %xmm9
+ movdqa 0x98(%rcx), %xmm10
+ movdqa 0xA8(%rcx), %xmm11
+ movdqa 0xB8(%rcx), %xmm12
+ movdqa 0xC8(%rcx), %xmm13
+ movdqa 0xD8(%rcx), %xmm14
+ movdqa 0xE8(%rcx), %xmm15
mov %rdx, %rax # set return value
jmp *0x48(%rcx)
diff --git a/MdePkg/Library/BaseLib/X64/SetJump.S b/MdePkg/Library/BaseLib/X64/SetJump.S index d8454d3..3ba5be6 100644 --- a/MdePkg/Library/BaseLib/X64/SetJump.S +++ b/MdePkg/Library/BaseLib/X64/SetJump.S @@ -37,5 +37,17 @@ ASM_PFX(SetJump): mov %r14,0x38(%rcx)
mov %r15,0x40(%rcx)
mov %rdx,0x48(%rcx)
+ # save non-volatile fp registers
+ stmxcsr 0x50(%rcx)
+ movdqa %xmm6, 0x58(%rcx)
+ movdqa %xmm7, 0x68(%rcx)
+ movdqa %xmm8, 0x78(%rcx)
+ movdqa %xmm9, 0x88(%rcx)
+ movdqa %xmm10, 0x98(%rcx)
+ movdqa %xmm11, 0xA8(%rcx)
+ movdqa %xmm12, 0xB8(%rcx)
+ movdqa %xmm13, 0xC8(%rcx)
+ movdqa %xmm14, 0xD8(%rcx)
+ movdqa %xmm15, 0xE8(%rcx)
xor %rax,%rax
jmpq *%rdx
|