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| author | Duggapu, Chinni B <chinni.b.duggapu@intel.com> | 2022-05-17 16:44:00 +0800 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2022-05-31 11:14:20 +0000 |
| commit | 11d8abcba2fcc067778778f6cb2be870c831919d (patch) | |
| tree | 0bb7fd9bd4c43b4adc956832d316389d0742c7d7 /IntelFsp2Pkg/Include | |
| parent | fa2b212d61dfeb9c00a174280a73a4f573ef617d (diff) | |
| download | edk2-11d8abcba2fcc067778778f6cb2be870c831919d.tar.gz | |
IntelFsp2Pkg: FSP_TEMP_RAM_INIT call must follow X64 Calling Convention
REF:https://bugzilla.tianocore.org/show_bug.cgi?id=3926
This API accept one parameter using RCX and this is consumed
in mutiple sub functions.
Cc: Chasel Chiu <chasel.chiu@intel.com>
Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Cc: Ashraf Ali S <ashraf.ali.s@intel.com>
Signed-off-by: cbduggap <chinni.b.duggapu@intel.com>
Reviewed-by: Chasel Chiu <chasel.chiu@intel.com>
Diffstat (limited to 'IntelFsp2Pkg/Include')
| -rw-r--r-- | IntelFsp2Pkg/Include/SaveRestoreSseAvxNasm.inc | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/IntelFsp2Pkg/Include/SaveRestoreSseAvxNasm.inc b/IntelFsp2Pkg/Include/SaveRestoreSseAvxNasm.inc index e8bd91669d..38c807a311 100644 --- a/IntelFsp2Pkg/Include/SaveRestoreSseAvxNasm.inc +++ b/IntelFsp2Pkg/Include/SaveRestoreSseAvxNasm.inc @@ -178,6 +178,30 @@ %endmacro
;
+; Upper half of YMM10 to save/restore RCX
+;
+;
+; Save RCX to YMM10[128:191]
+; Modified: XMM5 and YMM10
+;
+
+%macro SAVE_RCX 0
+ LYMMN ymm10, xmm5, 1
+ SXMMN xmm5, 0, rcx
+ SYMMN ymm10, 1, xmm5
+ %endmacro
+
+;
+; Restore RCX from YMM10[128:191]
+; Modified: XMM5 and RCX
+;
+
+%macro LOAD_RCX 0
+ LYMMN ymm10, xmm5, 1
+ movq rcx, xmm5
+ %endmacro
+
+;
; YMM7[128:191] for calling stack
; arg 1:Entry
; Modified: RSI, XMM5, YMM7
@@ -231,6 +255,7 @@ NextAddress: ; Use CpuId instruction (CPUID.01H:EDX.SSE[bit 25] = 1) to test
; whether the processor supports SSE instruction.
;
+ mov r10, rcx
mov rax, 1
cpuid
bt rdx, 25
@@ -241,6 +266,7 @@ NextAddress: ;
bt ecx, 19
jnc SseError
+ mov rcx, r10
;
; Set OSFXSR bit (bit #9) & OSXMMEXCPT bit (bit #10)
@@ -258,6 +284,7 @@ NextAddress: %endmacro
%macro ENABLE_AVX 0
+ mov r10, rcx
mov eax, 1
cpuid
and ecx, 10000000h
@@ -280,5 +307,6 @@ EnableAvx: xgetbv ; result in edx:eax
or eax, 00000006h ; Set XCR0 bit #1 and bit #2 to enable SSE state and AVX state
xsetbv
+ mov rcx, r10
%endmacro
|