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Remove assumption on EAX and R10 usage for IA32 compiler and X64 compiler.

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Signed-off-by: jyao1
Reviewed-by: lgao4

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12760 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jyao1
2011-11-22 08:07:30 +00:00
parent db40504eae
commit 7102b19961
6 changed files with 453 additions and 121 deletions
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85
MdeModulePkg/Universal/EbcDxe/X64/EbcSupport.c
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@ -27,6 +27,31 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#define STACK_REMAIN_SIZE (1024 * 4)
/**
Begin executing an EBC image.
This is used for Ebc Thunk call.
@return The value returned by the EBC application we're going to run.
**/
UINT64
EFIAPI
EbcLLEbcInterpret (
VOID
);
/**
Begin executing an EBC image.
This is used for Ebc image entrypoint.
@return The value returned by the EBC application we're going to run.
**/
UINT64
EFIAPI
EbcLLExecuteEbcImageEntryPoint (
VOID
);
/**
Pushes a 64 bit unsigned value to the VM stack.
@ -52,14 +77,13 @@ PushU64 (
/**
Begin executing an EBC image. The address of the entry point is passed
in via a processor register, so we'll need to make a call to get the
value.
Begin executing an EBC image.
This is a thunk function. Microsoft x64 compiler only provide fast_call
calling convention, so the first four arguments are passed by rcx, rdx,
r8, and r9, while other arguments are passed in stack.
@param EntryPoint The entrypoint of EBC code.
@param Arg1 The 1st argument.
@param Arg2 The 2nd argument.
@param Arg3 The 3rd argument.
@ -83,22 +107,23 @@ PushU64 (
UINT64
EFIAPI
EbcInterpret (
IN OUT UINTN Arg1,
IN OUT UINTN Arg2,
IN OUT UINTN Arg3,
IN OUT UINTN Arg4,
IN OUT UINTN Arg5,
IN OUT UINTN Arg6,
IN OUT UINTN Arg7,
IN OUT UINTN Arg8,
IN OUT UINTN Arg9,
IN OUT UINTN Arg10,
IN OUT UINTN Arg11,
IN OUT UINTN Arg12,
IN OUT UINTN Arg13,
IN OUT UINTN Arg14,
IN OUT UINTN Arg15,
IN OUT UINTN Arg16
IN UINTN EntryPoint,
IN UINTN Arg1,
IN UINTN Arg2,
IN UINTN Arg3,
IN UINTN Arg4,
IN UINTN Arg5,
IN UINTN Arg6,
IN UINTN Arg7,
IN UINTN Arg8,
IN UINTN Arg9,
IN UINTN Arg10,
IN UINTN Arg11,
IN UINTN Arg12,
IN UINTN Arg13,
IN UINTN Arg14,
IN UINTN Arg15,
IN UINTN Arg16
)
{
//
@ -110,11 +135,9 @@ EbcInterpret (
UINTN StackIndex;
//
// Get the EBC entry point from the processor register.
// Don't call any function before getting the EBC entry
// point because this will collab the return register.
// Get the EBC entry point
//
Addr = EbcLLGetEbcEntryPoint ();
Addr = EntryPoint;
//
// Now clear out our context
@ -221,10 +244,9 @@ EbcInterpret (
/**
Begin executing an EBC image. The address of the entry point is passed
in via a processor register, so we'll need to make a call to get the
value.
Begin executing an EBC image.
@param EntryPoint The entrypoint of EBC code.
@param ImageHandle image handle for the EBC application we're executing
@param SystemTable standard system table passed into an driver's entry
point
@ -235,6 +257,7 @@ EbcInterpret (
UINT64
EFIAPI
ExecuteEbcImageEntryPoint (
IN UINTN EntryPoint,
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
@ -248,11 +271,9 @@ ExecuteEbcImageEntryPoint (
UINTN StackIndex;
//
// Get the EBC entry point from the processor register. Make sure you don't
// call any functions before this or you could mess up the register the
// entry point is passed in.
// Get the EBC entry point
//
Addr = EbcLLGetEbcEntryPoint ();
Addr = EntryPoint;
//
// Now clear out our context
@ -437,9 +458,9 @@ EbcCreateThunks (
// mov r11 123456789abcdef0h => 49 BB F0 DE BC 9A 78 56 34 12
//
if ((Flags & FLAG_THUNK_ENTRY_POINT) != 0) {
Addr = (UINTN) ExecuteEbcImageEntryPoint;
Addr = (UINTN) EbcLLExecuteEbcImageEntryPoint;
} else {
Addr = (UINTN) EbcInterpret;
Addr = (UINTN) EbcLLEbcInterpret;
}
//