diff options
Diffstat (limited to 'IntelFspPkg/FspSecCore/Ia32/FspApiEntry.s')
| -rw-r--r-- | IntelFspPkg/FspSecCore/Ia32/FspApiEntry.s | 56 |
1 files changed, 33 insertions, 23 deletions
diff --git a/IntelFspPkg/FspSecCore/Ia32/FspApiEntry.s b/IntelFspPkg/FspSecCore/Ia32/FspApiEntry.s index 203efd9e42..995aef6088 100644 --- a/IntelFspPkg/FspSecCore/Ia32/FspApiEntry.s +++ b/IntelFspPkg/FspSecCore/Ia32/FspApiEntry.s @@ -205,7 +205,7 @@ FspSelfCheckDfltExit: #------------------------------------------------------------------------------
-# PlatformBasicInitDflt
+# SecPlatformInitDflt
# Inputs:
# eax -> Return address
# Outputs:
@@ -214,15 +214,15 @@ FspSelfCheckDfltExit: # eax is cleared and ebp is used for return address.
# All others reserved.
#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(PlatformBasicInitDflt)
-ASM_PFX(PlatformBasicInitDflt):
+ASM_GLOBAL ASM_PFX(SecPlatformInitDflt)
+ASM_PFX(SecPlatformInitDflt):
#
# Save return address to EBP
#
movl %eax, %ebp
xorl %eax, %eax
-PlatformBasicInitDfltExit:
+SecPlatformInitDfltExit:
jmp *%ebp
@@ -244,7 +244,7 @@ ASM_PFX(LoadUcode): #
# Save return address to EBP
#
- movd %xmm7, %ebp
+ movd %mm7, %ebp
cmpl $0x00, %esp
jz ParamError
@@ -451,8 +451,6 @@ LoadUcodeExit: #----------------------------------------------------------------------------
# EstablishStackFsp
#
-# Following is the code copied from BYTFSP, need to figure out what it is doing..
-#
#----------------------------------------------------------------------------
ASM_GLOBAL ASM_PFX(EstablishStackFsp)
ASM_PFX(EstablishStackFsp):
@@ -487,9 +485,9 @@ EstablishStackFspExit: #
pushl $DATA_LEN_OF_PER0 # Size of the data region
pushl $0x30524550 # Signature of the data region 'PER0'
- movd %xmm4, %eax
- pushl %eax
- movd %xmm5, %eax
+ LOAD_EDX
+ pushl %edx
+ LOAD_EAX
pushl %eax
rdtsc
pushl %edx
@@ -537,8 +535,16 @@ ASM_PFX(TempRamInitApi): # Save timestamp into XMM4 & XMM5
#
rdtsc
- movd %edx, %xmm4
- movd %eax, %xmm5
+ SAVE_EAX
+ SAVE_EDX
+
+ #
+ # Check Parameter
+ #
+ movl 4(%esp), %eax
+ cmpl $0x00, %eax
+ movl $0x80000002, %eax
+ jz NemInitExit
#
# CPUID/DeviceID check
@@ -556,31 +562,35 @@ TempRamInitApiL0: movd %mm7, %esi
jmp ASM_PFX(SecPlatformInit)
TempRamInitApiL1:
+ cmpl $0x00, %eax
+ jnz NemInitExit
#
- # Call Sec CAR Init
+ # Load microcode
#
- movl $TempRamInitApiL2, %esi #CALL_MMX SecCarInit
+ LOAD_ESP
+ movl $TempRamInitApiL2, %esi #CALL_MMX LoadUcode
movd %mm7, %esi
- jmp ASM_PFX(SecCarInit)
+ jmp ASM_PFX(LoadUcode)
TempRamInitApiL2:
-
- # @todo: ESP has been modified, we need to restore here.
-
- LOAD_REGS
- SAVE_REGS
+ cmpl $0x00, %eax
+ jnz NemInitExit
#
- # Load microcode
+ # Call Sec CAR Init
#
- movl $TempRamInitApiL3, %esi #CALL_MMX LoadUcode
+ LOAD_ESP
+ movl $TempRamInitApiL3, %esi #CALL_MMX SecCarInit
movd %mm7, %esi
- jmp ASM_PFX(LoadUcode)
+ jmp ASM_PFX(SecCarInit)
TempRamInitApiL3:
+ cmpl $0x00, %eax
+ jnz NemInitExit
#
# EstablishStackFsp
#
+ LOAD_ESP
movl $TempRamInitApiL4, %esi #CALL_MMX EstablishStackFsp
movd %mm7, %esi
jmp ASM_PFX(EstablishStackFsp)
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