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Improve coding style in MdeModulePkg.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9793 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
rsun3
2010-01-19 06:42:21 +00:00
parent cd730ec08d
commit 1ccdbf2a3e
45 changed files with 953 additions and 936 deletions
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152
MdeModulePkg/Universal/EbcDxe/EbcExecute.c
View File

@@ -1,7 +1,7 @@
/** @file
Contains code that implements the virtual machine.
Copyright (c) 2006 - 2008, Intel Corporation. <BR>
Copyright (c) 2006 - 2010, Intel Corporation. <BR>
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -1445,7 +1445,7 @@ EbcExecute (
StackCorrupted = 1;
}
VmPtr->FramePtr = (VOID *) ((UINT8 *) (UINTN) VmPtr->R[0] + 8);
VmPtr->FramePtr = (VOID *) ((UINT8 *) (UINTN) VmPtr->Gpr[0] + 8);
//
// Try to get the debug support for EBC
@@ -1517,7 +1517,7 @@ EbcExecute (
EbcDebugSignalException (EXCEPT_EBC_STACK_FAULT, EXCEPTION_FLAG_FATAL, VmPtr);
StackCorrupted = 1;
}
if ((StackCorrupted == 0) && ((UINT64)VmPtr->R[0] <= (UINT64)(UINTN) VmPtr->StackTop)) {
if ((StackCorrupted == 0) && ((UINT64)VmPtr->Gpr[0] <= (UINT64)(UINTN) VmPtr->StackTop)) {
EbcDebugSignalException (EXCEPT_EBC_STACK_FAULT, EXCEPTION_FLAG_FATAL, VmPtr);
StackCorrupted = 1;
}
@@ -1682,7 +1682,7 @@ ExecuteMOVxx (
//
// Indirect form @R2. Compute address of operand2
//
Source = (UINTN) (VmPtr->R[OPERAND2_REGNUM (Operands)] + Index64Op2);
Source = (UINTN) (VmPtr->Gpr[OPERAND2_REGNUM (Operands)] + Index64Op2);
//
// Now get the data from the source. Always 0-extend and let the compiler
// sign-extend where required.
@@ -1718,7 +1718,7 @@ ExecuteMOVxx (
//
// Not indirect source: MOVxx {@}Rx, Ry [Index]
//
Data64 = VmPtr->R[OPERAND2_REGNUM (Operands)] + Index64Op2;
Data64 = VmPtr->Gpr[OPERAND2_REGNUM (Operands)] + Index64Op2;
//
// Did Operand2 have an index? If so, treat as two signed values since
// indexes are signed values.
@@ -1754,7 +1754,7 @@ ExecuteMOVxx (
//
// Reuse the Source variable to now be dest.
//
Source = (UINTN) (VmPtr->R[OPERAND1_REGNUM (Operands)] + Index64Op1);
Source = (UINTN) (VmPtr->Gpr[OPERAND1_REGNUM (Operands)] + Index64Op1);
//
// Do the write based on the size
//
@@ -1802,7 +1802,7 @@ ExecuteMOVxx (
// Direct storage in register. Clear unused bits and store back to
// register.
//
VmPtr->R[OPERAND1_REGNUM (Operands)] = Data64 & DataMask;
VmPtr->Gpr[OPERAND1_REGNUM (Operands)] = Data64 & DataMask;
}
//
// Advance the instruction pointer
@@ -1851,7 +1851,7 @@ ExecuteBREAK (
// 16-8 = Major version
// 7-0 = Minor version
//
VmPtr->R[7] = GetVmVersion ();
VmPtr->Gpr[7] = GetVmVersion ();
break;
//
@@ -1881,8 +1881,8 @@ ExecuteBREAK (
// After we're done, *(UINT64 *)R7 will be the address of the new thunk.
//
case 5:
Offset = (INT32) VmReadMem32 (VmPtr, (UINTN) VmPtr->R[7]);
U64EbcEntryPoint = (UINT64) (VmPtr->R[7] + Offset + 4);
Offset = (INT32) VmReadMem32 (VmPtr, (UINTN) VmPtr->Gpr[7]);
U64EbcEntryPoint = (UINT64) (VmPtr->Gpr[7] + Offset + 4);
EbcEntryPoint = (VOID *) (UINTN) U64EbcEntryPoint;
//
@@ -1896,14 +1896,14 @@ ExecuteBREAK (
//
// Finally replace the EBC entry point memory with the thunk address
//
VmWriteMem64 (VmPtr, (UINTN) VmPtr->R[7], (UINT64) (UINTN) Thunk);
VmWriteMem64 (VmPtr, (UINTN) VmPtr->Gpr[7], (UINT64) (UINTN) Thunk);
break;
//
// Compiler setting version per value in R7
//
case 6:
VmPtr->CompilerVersion = (UINT32) VmPtr->R[7];
VmPtr->CompilerVersion = (UINT32) VmPtr->Gpr[7];
//
// Check compiler version against VM version?
//
@@ -2251,12 +2251,12 @@ ExecuteMOVI (
Mask64 = (UINT64)~0;
}
VmPtr->R[OPERAND1_REGNUM (Operands)] = ImmData64 & Mask64;
VmPtr->Gpr[OPERAND1_REGNUM (Operands)] = ImmData64 & Mask64;
} else {
//
// Get the address then write back based on size of the move
//
Op1 = (UINT64) VmPtr->R[OPERAND1_REGNUM (Operands)] + Index16;
Op1 = (UINT64) VmPtr->Gpr[OPERAND1_REGNUM (Operands)] + Index16;
if ((Operands & MOVI_M_MOVEWIDTH) == MOVI_MOVEWIDTH8) {
VmWriteMem8 (VmPtr, (UINTN) Op1, (UINT8) ImmData64);
} else if ((Operands & MOVI_M_MOVEWIDTH) == MOVI_MOVEWIDTH16) {
@@ -2361,12 +2361,12 @@ ExecuteMOVIn (
return EFI_UNSUPPORTED;
}
VmPtr->R[OPERAND1_REGNUM (Operands)] = ImmedIndex64;
VmPtr->Gpr[OPERAND1_REGNUM (Operands)] = ImmedIndex64;
} else {
//
// Get the address
//
Op1 = (UINT64) VmPtr->R[OPERAND1_REGNUM (Operands)] + Index16;
Op1 = (UINT64) VmPtr->Gpr[OPERAND1_REGNUM (Operands)] + Index16;
VmWriteMemN (VmPtr, (UINTN) Op1, (INTN) ImmedIndex64);
}
//
@@ -2460,14 +2460,14 @@ ExecuteMOVREL (
return EFI_UNSUPPORTED;
}
VmPtr->R[OPERAND1_REGNUM (Operands)] = (VM_REGISTER) Op2;
VmPtr->Gpr[OPERAND1_REGNUM (Operands)] = (VM_REGISTER) Op2;
} else {
//
// Get the address = [Rx] + Index16
// Write back the result. Always a natural size write, since
// we're talking addresses here.
//
Op1 = (UINT64) VmPtr->R[OPERAND1_REGNUM (Operands)] + Index16;
Op1 = (UINT64) VmPtr->Gpr[OPERAND1_REGNUM (Operands)] + Index16;
VmWriteMemN (VmPtr, (UINTN) Op1, (UINTN) Op2);
}
//
@@ -2551,7 +2551,7 @@ ExecuteMOVsnw (
//
// Get the data from the source.
//
Op2 = (INT64) ((INTN) (VmPtr->R[OPERAND2_REGNUM (Operands)] + Op2Index));
Op2 = (INT64) ((INTN) (VmPtr->Gpr[OPERAND2_REGNUM (Operands)] + Op2Index));
if (OPERAND2_INDIRECT (Operands)) {
Op2 = (INT64) (INTN) VmReadMemN (VmPtr, (UINTN) Op2);
}
@@ -2559,9 +2559,9 @@ ExecuteMOVsnw (
// Now write back the result.
//
if (!OPERAND1_INDIRECT (Operands)) {
VmPtr->R[OPERAND1_REGNUM (Operands)] = Op2;
VmPtr->Gpr[OPERAND1_REGNUM (Operands)] = Op2;
} else {
VmWriteMemN (VmPtr, (UINTN) (VmPtr->R[OPERAND1_REGNUM (Operands)] + Op1Index), (UINTN) Op2);
VmWriteMemN (VmPtr, (UINTN) (VmPtr->Gpr[OPERAND1_REGNUM (Operands)] + Op1Index), (UINTN) Op2);
}
//
// Advance the instruction pointer
@@ -2644,7 +2644,7 @@ ExecuteMOVsnd (
//
// Get the data from the source.
//
Op2 = (INT64) ((INTN) (VmPtr->R[OPERAND2_REGNUM (Operands)] + Op2Index));
Op2 = (INT64) ((INTN) (VmPtr->Gpr[OPERAND2_REGNUM (Operands)] + Op2Index));
if (OPERAND2_INDIRECT (Operands)) {
Op2 = (INT64) (INTN) VmReadMemN (VmPtr, (UINTN) Op2);
}
@@ -2652,9 +2652,9 @@ ExecuteMOVsnd (
// Now write back the result.
//
if (!OPERAND1_INDIRECT (Operands)) {
VmPtr->R[OPERAND1_REGNUM (Operands)] = Op2;
VmPtr->Gpr[OPERAND1_REGNUM (Operands)] = Op2;
} else {
VmWriteMemN (VmPtr, (UINTN) (VmPtr->R[OPERAND1_REGNUM (Operands)] + Op1Index), (UINTN) Op2);
VmWriteMemN (VmPtr, (UINTN) (VmPtr->Gpr[OPERAND1_REGNUM (Operands)] + Op1Index), (UINTN) Op2);
}
//
// Advance the instruction pointer
@@ -2710,15 +2710,15 @@ ExecutePUSHn (
// Get the data to push
//
if (OPERAND1_INDIRECT (Operands)) {
DataN = VmReadMemN (VmPtr, (UINTN) (VmPtr->R[OPERAND1_REGNUM (Operands)] + Index16));
DataN = VmReadMemN (VmPtr, (UINTN) (VmPtr->Gpr[OPERAND1_REGNUM (Operands)] + Index16));
} else {
DataN = (UINTN) (VmPtr->R[OPERAND1_REGNUM (Operands)] + Index16);
DataN = (UINTN) (VmPtr->Gpr[OPERAND1_REGNUM (Operands)] + Index16);
}
//
// Adjust the stack down.
//
VmPtr->R[0] -= sizeof (UINTN);
VmWriteMemN (VmPtr, (UINTN) VmPtr->R[0], DataN);
VmPtr->Gpr[0] -= sizeof (UINTN);
VmWriteMemN (VmPtr, (UINTN) VmPtr->Gpr[0], DataN);
return EFI_SUCCESS;
}
@@ -2770,29 +2770,29 @@ ExecutePUSH (
//
if ((Opcode & PUSHPOP_M_64) != 0) {
if (OPERAND1_INDIRECT (Operands)) {
Data64 = VmReadMem64 (VmPtr, (UINTN) (VmPtr->R[OPERAND1_REGNUM (Operands)] + Index16));
Data64 = VmReadMem64 (VmPtr, (UINTN) (VmPtr->Gpr[OPERAND1_REGNUM (Operands)] + Index16));
} else {
Data64 = (UINT64) VmPtr->R[OPERAND1_REGNUM (Operands)] + Index16;
Data64 = (UINT64) VmPtr->Gpr[OPERAND1_REGNUM (Operands)] + Index16;
}
//
// Adjust the stack down, then write back the data
//
VmPtr->R[0] -= sizeof (UINT64);
VmWriteMem64 (VmPtr, (UINTN) VmPtr->R[0], Data64);
VmPtr->Gpr[0] -= sizeof (UINT64);
VmWriteMem64 (VmPtr, (UINTN) VmPtr->Gpr[0], Data64);
} else {
//
// 32-bit data
//
if (OPERAND1_INDIRECT (Operands)) {
Data32 = VmReadMem32 (VmPtr, (UINTN) (VmPtr->R[OPERAND1_REGNUM (Operands)] + Index16));
Data32 = VmReadMem32 (VmPtr, (UINTN) (VmPtr->Gpr[OPERAND1_REGNUM (Operands)] + Index16));
} else {
Data32 = (UINT32) VmPtr->R[OPERAND1_REGNUM (Operands)] + Index16;
Data32 = (UINT32) VmPtr->Gpr[OPERAND1_REGNUM (Operands)] + Index16;
}
//
// Adjust the stack down and write the data
//
VmPtr->R[0] -= sizeof (UINT32);
VmWriteMem32 (VmPtr, (UINTN) VmPtr->R[0], Data32);
VmPtr->Gpr[0] -= sizeof (UINT32);
VmWriteMem32 (VmPtr, (UINTN) VmPtr->Gpr[0], Data32);
}
return EFI_SUCCESS;
@@ -2843,15 +2843,15 @@ ExecutePOPn (
//
// Read the data off the stack, then adjust the stack pointer
//
DataN = VmReadMemN (VmPtr, (UINTN) VmPtr->R[0]);
VmPtr->R[0] += sizeof (UINTN);
DataN = VmReadMemN (VmPtr, (UINTN) VmPtr->Gpr[0]);
VmPtr->Gpr[0] += sizeof (UINTN);
//
// Do the write-back
//
if (OPERAND1_INDIRECT (Operands)) {
VmWriteMemN (VmPtr, (UINTN) (VmPtr->R[OPERAND1_REGNUM (Operands)] + Index16), DataN);
VmWriteMemN (VmPtr, (UINTN) (VmPtr->Gpr[OPERAND1_REGNUM (Operands)] + Index16), DataN);
} else {
VmPtr->R[OPERAND1_REGNUM (Operands)] = (INT64) (UINT64) ((UINTN) DataN + Index16);
VmPtr->Gpr[OPERAND1_REGNUM (Operands)] = (INT64) (UINT64) ((UINTN) DataN + Index16);
}
return EFI_SUCCESS;
@@ -2907,29 +2907,29 @@ ExecutePOP (
//
// Read the data off the stack, then adjust the stack pointer
//
Data64 = VmReadMem64 (VmPtr, (UINTN) VmPtr->R[0]);
VmPtr->R[0] += sizeof (UINT64);
Data64 = VmReadMem64 (VmPtr, (UINTN) VmPtr->Gpr[0]);
VmPtr->Gpr[0] += sizeof (UINT64);
//
// Do the write-back
//
if (OPERAND1_INDIRECT (Operands)) {
VmWriteMem64 (VmPtr, (UINTN) (VmPtr->R[OPERAND1_REGNUM (Operands)] + Index16), Data64);
VmWriteMem64 (VmPtr, (UINTN) (VmPtr->Gpr[OPERAND1_REGNUM (Operands)] + Index16), Data64);
} else {
VmPtr->R[OPERAND1_REGNUM (Operands)] = Data64 + Index16;
VmPtr->Gpr[OPERAND1_REGNUM (Operands)] = Data64 + Index16;
}
} else {
//
// 32-bit pop. Read it off the stack and adjust the stack pointer
//
Data32 = (INT32) VmReadMem32 (VmPtr, (UINTN) VmPtr->R[0]);
VmPtr->R[0] += sizeof (UINT32);
Data32 = (INT32) VmReadMem32 (VmPtr, (UINTN) VmPtr->Gpr[0]);
VmPtr->Gpr[0] += sizeof (UINT32);
//
// Do the write-back
//
if (OPERAND1_INDIRECT (Operands)) {
VmWriteMem32 (VmPtr, (UINTN) (VmPtr->R[OPERAND1_REGNUM (Operands)] + Index16), Data32);
VmWriteMem32 (VmPtr, (UINTN) (VmPtr->Gpr[OPERAND1_REGNUM (Operands)] + Index16), Data32);
} else {
VmPtr->R[OPERAND1_REGNUM (Operands)] = (INT64) Data32 + Index16;
VmPtr->Gpr[OPERAND1_REGNUM (Operands)] = (INT64) Data32 + Index16;
}
}
@@ -3004,11 +3004,11 @@ ExecuteCALL (
// put our return address and frame pointer on the VM stack.
//
if ((Operands & OPERAND_M_NATIVE_CALL) == 0) {
VmPtr->R[0] -= 8;
VmWriteMemN (VmPtr, (UINTN) VmPtr->R[0], (UINTN) FramePtr);
VmPtr->FramePtr = (VOID *) (UINTN) VmPtr->R[0];
VmPtr->R[0] -= 8;
VmWriteMem64 (VmPtr, (UINTN) VmPtr->R[0], (UINT64) (UINTN) (VmPtr->Ip + Size));
VmPtr->Gpr[0] -= 8;
VmWriteMemN (VmPtr, (UINTN) VmPtr->Gpr[0], (UINTN) FramePtr);
VmPtr->FramePtr = (VOID *) (UINTN) VmPtr->Gpr[0];
VmPtr->Gpr[0] -= 8;
VmWriteMem64 (VmPtr, (UINTN) VmPtr->Gpr[0], (UINT64) (UINTN) (VmPtr->Ip + Size));
}
//
// If 64-bit data, then absolute jump only
@@ -3023,7 +3023,7 @@ ExecuteCALL (
//
// Call external function, get the return value, and advance the IP
//
EbcLLCALLEX (VmPtr, (UINTN) Immed64, (UINTN) VmPtr->R[0], FramePtr, Size);
EbcLLCALLEX (VmPtr, (UINTN) Immed64, (UINTN) VmPtr->Gpr[0], FramePtr, Size);
}
} else {
//
@@ -3032,7 +3032,7 @@ ExecuteCALL (
// Compiler should take care of upper bits if 32-bit machine.
//
if (OPERAND1_REGNUM (Operands) != 0) {
Immed64 = (UINT64) (UINTN) VmPtr->R[OPERAND1_REGNUM (Operands)];
Immed64 = (UINT64) (UINTN) VmPtr->Gpr[OPERAND1_REGNUM (Operands)];
}
//
// Get final address
@@ -3060,13 +3060,13 @@ ExecuteCALL (
// Native call. Relative or absolute?
//
if ((Operands & OPERAND_M_RELATIVE_ADDR) != 0) {
EbcLLCALLEX (VmPtr, (UINTN) (Immed64 + VmPtr->Ip + Size), (UINTN) VmPtr->R[0], FramePtr, Size);
EbcLLCALLEX (VmPtr, (UINTN) (Immed64 + VmPtr->Ip + Size), (UINTN) VmPtr->Gpr[0], FramePtr, Size);
} else {
if ((VmPtr->StopFlags & STOPFLAG_BREAK_ON_CALLEX) != 0) {
CpuBreakpoint ();
}
EbcLLCALLEX (VmPtr, (UINTN) Immed64, (UINTN) VmPtr->R[0], FramePtr, Size);
EbcLLCALLEX (VmPtr, (UINTN) Immed64, (UINTN) VmPtr->Gpr[0], FramePtr, Size);
}
}
}
@@ -3095,14 +3095,14 @@ ExecuteRET (
// If we're at the top of the stack, then simply set the done
// flag and return
//
if (VmPtr->StackRetAddr == (UINT64) VmPtr->R[0]) {
if (VmPtr->StackRetAddr == (UINT64) VmPtr->Gpr[0]) {
VmPtr->StopFlags |= STOPFLAG_APP_DONE;
} else {
//
// Pull the return address off the VM app's stack and set the IP
// to it
//
if (!IS_ALIGNED ((UINTN) VmPtr->R[0], sizeof (UINT16))) {
if (!IS_ALIGNED ((UINTN) VmPtr->Gpr[0], sizeof (UINT16))) {
EbcDebugSignalException (
EXCEPT_EBC_ALIGNMENT_CHECK,
EXCEPTION_FLAG_FATAL,
@@ -3112,10 +3112,10 @@ ExecuteRET (
//
// Restore the IP and frame pointer from the stack
//
VmPtr->Ip = (VMIP) (UINTN) VmReadMem64 (VmPtr, (UINTN) VmPtr->R[0]);
VmPtr->R[0] += 8;
VmPtr->FramePtr = (VOID *) VmReadMemN (VmPtr, (UINTN) VmPtr->R[0]);
VmPtr->R[0] += 8;
VmPtr->Ip = (VMIP) (UINTN) VmReadMem64 (VmPtr, (UINTN) VmPtr->Gpr[0]);
VmPtr->Gpr[0] += 8;
VmPtr->FramePtr = (VOID *) VmReadMemN (VmPtr, (UINTN) VmPtr->Gpr[0]);
VmPtr->Gpr[0] += 8;
}
return EFI_SUCCESS;
@@ -3155,7 +3155,7 @@ ExecuteCMP (
//
// Get the register data we're going to compare to
//
Op1 = VmPtr->R[OPERAND1_REGNUM (Operands)];
Op1 = VmPtr->Gpr[OPERAND1_REGNUM (Operands)];
//
// Get immediate data
//
@@ -3176,15 +3176,15 @@ ExecuteCMP (
//
if (OPERAND2_INDIRECT (Operands)) {
if ((Opcode & OPCODE_M_64BIT) != 0) {
Op2 = (INT64) VmReadMem64 (VmPtr, (UINTN) (VmPtr->R[OPERAND2_REGNUM (Operands)] + Index16));
Op2 = (INT64) VmReadMem64 (VmPtr, (UINTN) (VmPtr->Gpr[OPERAND2_REGNUM (Operands)] + Index16));
} else {
//
// 32-bit operations. 0-extend the values for all cases.
//
Op2 = (INT64) (UINT64) ((UINT32) VmReadMem32 (VmPtr, (UINTN) (VmPtr->R[OPERAND2_REGNUM (Operands)] + Index16)));
Op2 = (INT64) (UINT64) ((UINT32) VmReadMem32 (VmPtr, (UINTN) (VmPtr->Gpr[OPERAND2_REGNUM (Operands)] + Index16)));
}
} else {
Op2 = VmPtr->R[OPERAND2_REGNUM (Operands)] + Index16;
Op2 = VmPtr->Gpr[OPERAND2_REGNUM (Operands)] + Index16;
}
//
// Now do the compare
@@ -3327,7 +3327,7 @@ ExecuteCMPI (
//
// Get operand1 data we're going to compare to
//
Op1 = (INT64) VmPtr->R[OPERAND1_REGNUM (Operands)];
Op1 = (INT64) VmPtr->Gpr[OPERAND1_REGNUM (Operands)];
if (OPERAND1_INDIRECT (Operands)) {
//
// Indirect operand1. Fetch 32 or 64-bit value based on compare size.
@@ -4165,7 +4165,7 @@ ExecuteDataManip (
//
// Now get operand2 (source). It's of format {@}R2 {Index16|Immed16}
//
Op2 = (UINT64) VmPtr->R[OPERAND2_REGNUM (Operands)] + Index16;
Op2 = (UINT64) VmPtr->Gpr[OPERAND2_REGNUM (Operands)] + Index16;
if (OPERAND2_INDIRECT (Operands)) {
//
// Indirect form: @R2 Index16. Fetch as 32- or 64-bit data
@@ -4195,7 +4195,7 @@ ExecuteDataManip (
// Get operand1 (destination and sometimes also an actual operand)
// of form {@}R1
//
Op1 = VmPtr->R[OPERAND1_REGNUM (Operands)];
Op1 = VmPtr->Gpr[OPERAND1_REGNUM (Operands)];
if (OPERAND1_INDIRECT (Operands)) {
if ((Opcode & DATAMANIP_M_64) != 0) {
Op1 = VmReadMem64 (VmPtr, (UINTN) Op1);
@@ -4238,7 +4238,7 @@ ExecuteDataManip (
// Write back the result.
//
if (OPERAND1_INDIRECT (Operands)) {
Op1 = VmPtr->R[OPERAND1_REGNUM (Operands)];
Op1 = VmPtr->Gpr[OPERAND1_REGNUM (Operands)];
if ((Opcode & DATAMANIP_M_64) != 0) {
VmWriteMem64 (VmPtr, (UINTN) Op1, Op2);
} else {
@@ -4249,9 +4249,9 @@ ExecuteDataManip (
// Storage back to a register. Write back, clearing upper bits (as per
// the specification) if 32-bit operation.
//
VmPtr->R[OPERAND1_REGNUM (Operands)] = Op2;
VmPtr->Gpr[OPERAND1_REGNUM (Operands)] = Op2;
if ((Opcode & DATAMANIP_M_64) == 0) {
VmPtr->R[OPERAND1_REGNUM (Operands)] &= 0xFFFFFFFF;
VmPtr->Gpr[OPERAND1_REGNUM (Operands)] &= 0xFFFFFFFF;
}
}
//
@@ -4298,7 +4298,7 @@ ExecuteLOADSP (
// Spec states that this instruction will not modify reserved bits in
// the flags register.
//
VmPtr->Flags = (VmPtr->Flags &~VMFLAGS_ALL_VALID) | (VmPtr->R[OPERAND2_REGNUM (Operands)] & VMFLAGS_ALL_VALID);
VmPtr->Flags = (VmPtr->Flags &~VMFLAGS_ALL_VALID) | (VmPtr->Gpr[OPERAND2_REGNUM (Operands)] & VMFLAGS_ALL_VALID);
break;
default:
@@ -4351,14 +4351,14 @@ ExecuteSTORESP (
//
// Retrieve the value in the flags register, then clear reserved bits
//
VmPtr->R[OPERAND1_REGNUM (Operands)] = (UINT64) (VmPtr->Flags & VMFLAGS_ALL_VALID);
VmPtr->Gpr[OPERAND1_REGNUM (Operands)] = (UINT64) (VmPtr->Flags & VMFLAGS_ALL_VALID);
break;
//
// Get IP -- address of following instruction
//
case 1:
VmPtr->R[OPERAND1_REGNUM (Operands)] = (UINT64) (UINTN) VmPtr->Ip + 2;
VmPtr->Gpr[OPERAND1_REGNUM (Operands)] = (UINT64) (UINTN) VmPtr->Ip + 2;
break;
default:

6
MdeModulePkg/Universal/EbcDxe/EbcExecute.h
View File

@@ -3,7 +3,7 @@
be of use to a disassembler for the most part. Also provides function
prototypes for VM functions.
Copyright (c) 2006 - 2008, Intel Corporation. <BR>
Copyright (c) 2006 - 2010, Intel Corporation. <BR>
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -125,8 +125,8 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#define OPERAND1_CHAR(op) ('0' + OPERAND1_REGNUM (op))
#define OPERAND2_CHAR(op) ('0' + OPERAND2_REGNUM (op))
#define OPERAND1_REGDATA(pvm, op) pvm->R[OPERAND1_REGNUM (op)]
#define OPERAND2_REGDATA(pvm, op) pvm->R[OPERAND2_REGNUM (op)]
#define OPERAND1_REGDATA(pvm, op) pvm->Gpr[OPERAND1_REGNUM (op)]
#define OPERAND2_REGDATA(pvm, op) pvm->Gpr[OPERAND2_REGNUM (op)]
//
// Condition masks usually for byte 1 encodings of code

86
MdeModulePkg/Universal/EbcDxe/EbcInt.c
View File

@@ -3,7 +3,7 @@
Provides auxiliary support routines for the VM. That is, routines
that are not particularly related to VM execution of EBC instructions.
Copyright (c) 2006 - 2008, Intel Corporation. <BR>
Copyright (c) 2006 - 2010, Intel Corporation. <BR>
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -23,16 +23,18 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
// image handles, with each having a linked list of thunks allocated
// to that image handle.
//
typedef struct _EBC_THUNK_LIST {
VOID *ThunkBuffer;
struct _EBC_THUNK_LIST *Next;
} EBC_THUNK_LIST;
typedef struct _EBC_THUNK_LIST EBC_THUNK_LIST;
struct _EBC_THUNK_LIST {
VOID *ThunkBuffer;
EBC_THUNK_LIST *Next;
};
typedef struct _EBC_IMAGE_LIST {
struct _EBC_IMAGE_LIST *Next;
EFI_HANDLE ImageHandle;
EBC_THUNK_LIST *ThunkList;
} EBC_IMAGE_LIST;
typedef struct _EBC_IMAGE_LIST EBC_IMAGE_LIST;
struct _EBC_IMAGE_LIST {
EBC_IMAGE_LIST *Next;
EFI_HANDLE ImageHandle;
EBC_THUNK_LIST *ThunkList;
};
/**
This routine is called by the core when an image is being unloaded from
@@ -765,14 +767,14 @@ EbcDebugSignalException (
//
// Initialize the context structure
//
EbcContext.R0 = VmPtr->R[0];
EbcContext.R1 = VmPtr->R[1];
EbcContext.R2 = VmPtr->R[2];
EbcContext.R3 = VmPtr->R[3];
EbcContext.R4 = VmPtr->R[4];
EbcContext.R5 = VmPtr->R[5];
EbcContext.R6 = VmPtr->R[6];
EbcContext.R7 = VmPtr->R[7];
EbcContext.R0 = VmPtr->Gpr[0];
EbcContext.R1 = VmPtr->Gpr[1];
EbcContext.R2 = VmPtr->Gpr[2];
EbcContext.R3 = VmPtr->Gpr[3];
EbcContext.R4 = VmPtr->Gpr[4];
EbcContext.R5 = VmPtr->Gpr[5];
EbcContext.R6 = VmPtr->Gpr[6];
EbcContext.R7 = VmPtr->Gpr[7];
EbcContext.Ip = (UINT64)(UINTN)VmPtr->Ip;
EbcContext.Flags = VmPtr->Flags;
EbcContext.ControlFlags = 0;
@@ -782,14 +784,14 @@ EbcDebugSignalException (
//
// Restore the context structure and continue to execute
//
VmPtr->R[0] = EbcContext.R0;
VmPtr->R[1] = EbcContext.R1;
VmPtr->R[2] = EbcContext.R2;
VmPtr->R[3] = EbcContext.R3;
VmPtr->R[4] = EbcContext.R4;
VmPtr->R[5] = EbcContext.R5;
VmPtr->R[6] = EbcContext.R6;
VmPtr->R[7] = EbcContext.R7;
VmPtr->Gpr[0] = EbcContext.R0;
VmPtr->Gpr[1] = EbcContext.R1;
VmPtr->Gpr[2] = EbcContext.R2;
VmPtr->Gpr[3] = EbcContext.R3;
VmPtr->Gpr[4] = EbcContext.R4;
VmPtr->Gpr[5] = EbcContext.R5;
VmPtr->Gpr[6] = EbcContext.R6;
VmPtr->Gpr[7] = EbcContext.R7;
VmPtr->Ip = (VMIP)(UINTN)EbcContext.Ip;
VmPtr->Flags = EbcContext.Flags;
}
@@ -935,14 +937,14 @@ EbcDebugPeriodic (
//
// Initialize the context structure
//
EbcContext.R0 = VmPtr->R[0];
EbcContext.R1 = VmPtr->R[1];
EbcContext.R2 = VmPtr->R[2];
EbcContext.R3 = VmPtr->R[3];
EbcContext.R4 = VmPtr->R[4];
EbcContext.R5 = VmPtr->R[5];
EbcContext.R6 = VmPtr->R[6];
EbcContext.R7 = VmPtr->R[7];
EbcContext.R0 = VmPtr->Gpr[0];
EbcContext.R1 = VmPtr->Gpr[1];
EbcContext.R2 = VmPtr->Gpr[2];
EbcContext.R3 = VmPtr->Gpr[3];
EbcContext.R4 = VmPtr->Gpr[4];
EbcContext.R5 = VmPtr->Gpr[5];
EbcContext.R6 = VmPtr->Gpr[6];
EbcContext.R7 = VmPtr->Gpr[7];
EbcContext.Ip = (UINT64)(UINTN)VmPtr->Ip;
EbcContext.Flags = VmPtr->Flags;
EbcContext.ControlFlags = 0;
@@ -953,14 +955,14 @@ EbcDebugPeriodic (
//
// Restore the context structure and continue to execute
//
VmPtr->R[0] = EbcContext.R0;
VmPtr->R[1] = EbcContext.R1;
VmPtr->R[2] = EbcContext.R2;
VmPtr->R[3] = EbcContext.R3;
VmPtr->R[4] = EbcContext.R4;
VmPtr->R[5] = EbcContext.R5;
VmPtr->R[6] = EbcContext.R6;
VmPtr->R[7] = EbcContext.R7;
VmPtr->Gpr[0] = EbcContext.R0;
VmPtr->Gpr[1] = EbcContext.R1;
VmPtr->Gpr[2] = EbcContext.R2;
VmPtr->Gpr[3] = EbcContext.R3;
VmPtr->Gpr[4] = EbcContext.R4;
VmPtr->Gpr[5] = EbcContext.R5;
VmPtr->Gpr[6] = EbcContext.R6;
VmPtr->Gpr[7] = EbcContext.R7;
VmPtr->Ip = (VMIP)(UINTN)EbcContext.Ip;
VmPtr->Flags = EbcContext.Flags;
}

4
MdeModulePkg/Universal/EbcDxe/EbcInt.h
View File

@@ -2,7 +2,7 @@
Main routines for the EBC interpreter. Includes the initialization and
main interpreter routines.
Copyright (c) 2006 - 2008, Intel Corporation. <BR>
Copyright (c) 2006 - 2010, Intel Corporation. <BR>
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -34,7 +34,7 @@ typedef UINT8 *VMIP; // instruction pointer for the VM
typedef UINT32 EXCEPTION_FLAGS;
typedef struct {
VM_REGISTER R[8]; // General purpose registers.
VM_REGISTER Gpr[8]; // General purpose registers.
UINT64 Flags; // Flags register:
// 0 Set to 1 if the result of the last compare was true
// 1 Set to 1 if stepping

126
MdeModulePkg/Universal/EbcDxe/Ia32/EbcSupport.c
View File

@@ -2,7 +2,7 @@
This module contains EBC support routines that are customized based on
the target processor.
Copyright (c) 2006 - 2008, Intel Corporation. <BR>
Copyright (c) 2006 - 2010, Intel Corporation. <BR>
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -108,11 +108,11 @@ Action:
// put our return address and frame pointer on the VM stack.
// Then set the VM's IP to new EBC code.
//
VmPtr->R[0] -= 8;
VmWriteMemN (VmPtr, (UINTN) VmPtr->R[0], (UINTN) FramePtr);
VmPtr->FramePtr = (VOID *) (UINTN) VmPtr->R[0];
VmPtr->R[0] -= 8;
VmWriteMem64 (VmPtr, (UINTN) VmPtr->R[0], (UINT64) (UINTN) (VmPtr->Ip + Size));
VmPtr->Gpr[0] -= 8;
VmWriteMemN (VmPtr, (UINTN) VmPtr->Gpr[0], (UINTN) FramePtr);
VmPtr->FramePtr = (VOID *) (UINTN) VmPtr->Gpr[0];
VmPtr->Gpr[0] -= 8;
VmWriteMem64 (VmPtr, (UINTN) VmPtr->Gpr[0], (UINT64) (UINTN) (VmPtr->Ip + Size));
VmPtr->Ip = (VMIP) (UINTN) TargetEbcAddr;
} else {
@@ -124,7 +124,7 @@ Action:
//
// Get return value and advance the IP.
//
VmPtr->R[7] = EbcLLGetReturnValue ();
VmPtr->Gpr[7] = EbcLLGetReturnValue ();
VmPtr->Ip += Size;
}
}
@@ -218,55 +218,55 @@ EbcInterpret (
return Status;
}
VmContext.StackTop = (UINT8*)VmContext.StackPool + (STACK_REMAIN_SIZE);
VmContext.R[0] = (UINT64)(UINTN) ((UINT8*)VmContext.StackPool + STACK_POOL_SIZE);
VmContext.HighStackBottom = (UINTN)VmContext.R[0];
VmContext.R[0] &= ~(sizeof (UINTN) - 1);
VmContext.R[0] -= sizeof (UINTN);
VmContext.Gpr[0] = (UINT64)(UINTN) ((UINT8*)VmContext.StackPool + STACK_POOL_SIZE);
VmContext.HighStackBottom = (UINTN)VmContext.Gpr[0];
VmContext.Gpr[0] &= ~(sizeof (UINTN) - 1);
VmContext.Gpr[0] -= sizeof (UINTN);
//
// Put a magic value in the stack gap, then adjust down again
//
*(UINTN *) (UINTN) (VmContext.R[0]) = (UINTN) VM_STACK_KEY_VALUE;
VmContext.StackMagicPtr = (UINTN *) (UINTN) VmContext.R[0];
VmContext.LowStackTop = (UINTN) VmContext.R[0];
*(UINTN *) (UINTN) (VmContext.Gpr[0]) = (UINTN) VM_STACK_KEY_VALUE;
VmContext.StackMagicPtr = (UINTN *) (UINTN) VmContext.Gpr[0];
VmContext.LowStackTop = (UINTN) VmContext.Gpr[0];
//
// For IA32, this is where we say our return address is
//
VmContext.R[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.R[0]) = (UINTN) Arg16;
VmContext.R[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.R[0]) = (UINTN) Arg15;
VmContext.R[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.R[0]) = (UINTN) Arg14;
VmContext.R[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.R[0]) = (UINTN) Arg13;
VmContext.R[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.R[0]) = (UINTN) Arg12;
VmContext.R[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.R[0]) = (UINTN) Arg11;
VmContext.R[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.R[0]) = (UINTN) Arg10;
VmContext.R[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.R[0]) = (UINTN) Arg9;
VmContext.R[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.R[0]) = (UINTN) Arg8;
VmContext.R[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.R[0]) = (UINTN) Arg7;
VmContext.R[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.R[0]) = (UINTN) Arg6;
VmContext.R[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.R[0]) = (UINTN) Arg5;
VmContext.R[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.R[0]) = (UINTN) Arg4;
VmContext.R[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.R[0]) = (UINTN) Arg3;
VmContext.R[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.R[0]) = (UINTN) Arg2;
VmContext.R[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.R[0]) = (UINTN) Arg1;
VmContext.R[0] -= 16;
VmContext.StackRetAddr = (UINT64) VmContext.R[0];
VmContext.Gpr[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.Gpr[0]) = (UINTN) Arg16;
VmContext.Gpr[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.Gpr[0]) = (UINTN) Arg15;
VmContext.Gpr[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.Gpr[0]) = (UINTN) Arg14;
VmContext.Gpr[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.Gpr[0]) = (UINTN) Arg13;
VmContext.Gpr[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.Gpr[0]) = (UINTN) Arg12;
VmContext.Gpr[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.Gpr[0]) = (UINTN) Arg11;
VmContext.Gpr[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.Gpr[0]) = (UINTN) Arg10;
VmContext.Gpr[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.Gpr[0]) = (UINTN) Arg9;
VmContext.Gpr[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.Gpr[0]) = (UINTN) Arg8;
VmContext.Gpr[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.Gpr[0]) = (UINTN) Arg7;
VmContext.Gpr[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.Gpr[0]) = (UINTN) Arg6;
VmContext.Gpr[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.Gpr[0]) = (UINTN) Arg5;
VmContext.Gpr[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.Gpr[0]) = (UINTN) Arg4;
VmContext.Gpr[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.Gpr[0]) = (UINTN) Arg3;
VmContext.Gpr[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.Gpr[0]) = (UINTN) Arg2;
VmContext.Gpr[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.Gpr[0]) = (UINTN) Arg1;
VmContext.Gpr[0] -= 16;
VmContext.StackRetAddr = (UINT64) VmContext.Gpr[0];
//
// We need to keep track of where the EBC stack starts. This way, if the EBC
@@ -291,7 +291,7 @@ EbcInterpret (
// Return the value in R[7] unless there was an error
//
ReturnEBCStack(StackIndex);
return (UINT64) VmContext.R[7];
return (UINT64) VmContext.Gpr[7];
}
@@ -360,28 +360,28 @@ ExecuteEbcImageEntryPoint (
return Status;
}
VmContext.StackTop = (UINT8*)VmContext.StackPool + (STACK_REMAIN_SIZE);
VmContext.R[0] = (UINT64)(UINTN) ((UINT8*)VmContext.StackPool + STACK_POOL_SIZE);
VmContext.HighStackBottom = (UINTN)VmContext.R[0];
VmContext.R[0] -= sizeof (UINTN);
VmContext.Gpr[0] = (UINT64)(UINTN) ((UINT8*)VmContext.StackPool + STACK_POOL_SIZE);
VmContext.HighStackBottom = (UINTN)VmContext.Gpr[0];
VmContext.Gpr[0] -= sizeof (UINTN);
//
// Put a magic value in the stack gap, then adjust down again
//
*(UINTN *) (UINTN) (VmContext.R[0]) = (UINTN) VM_STACK_KEY_VALUE;
VmContext.StackMagicPtr = (UINTN *) (UINTN) VmContext.R[0];
*(UINTN *) (UINTN) (VmContext.Gpr[0]) = (UINTN) VM_STACK_KEY_VALUE;
VmContext.StackMagicPtr = (UINTN *) (UINTN) VmContext.Gpr[0];
//
// Align the stack on a natural boundary
// VmContext.R[0] &= ~(sizeof(UINTN) - 1);
// VmContext.Gpr[0] &= ~(sizeof(UINTN) - 1);
//
VmContext.LowStackTop = (UINTN) VmContext.R[0];
VmContext.R[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.R[0]) = (UINTN) SystemTable;
VmContext.R[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.R[0]) = (UINTN) ImageHandle;
VmContext.LowStackTop = (UINTN) VmContext.Gpr[0];
VmContext.Gpr[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.Gpr[0]) = (UINTN) SystemTable;
VmContext.Gpr[0] -= sizeof (UINTN);
*(UINTN *) (UINTN) (VmContext.Gpr[0]) = (UINTN) ImageHandle;
VmContext.R[0] -= 16;
VmContext.StackRetAddr = (UINT64) VmContext.R[0];
VmContext.Gpr[0] -= 16;
VmContext.StackRetAddr = (UINT64) VmContext.Gpr[0];
//
// VM pushes 16-bytes for return address. Simulate that here.
//
@@ -394,7 +394,7 @@ ExecuteEbcImageEntryPoint (
//
// Return the value in R[7] unless there was an error
//
return (UINT64) VmContext.R[7];
return (UINT64) VmContext.Gpr[7];
}

50
MdeModulePkg/Universal/EbcDxe/Ipf/EbcSupport.c
View File

@@ -2,7 +2,7 @@
This module contains EBC support routines that are customized based on
the target processor.
Copyright (c) 2006 - 2008, Intel Corporation. <BR>
Copyright (c) 2006 - 2010, Intel Corporation. <BR>
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -60,8 +60,8 @@ PushU64 (
// Advance the VM stack down, and then copy the argument to the stack.
// Hope it's aligned.
//
VmPtr->R[0] -= sizeof (UINT64);
*(UINT64 *) VmPtr->R[0] = Arg;
VmPtr->Gpr[0] -= sizeof (UINT64);
*(UINT64 *) VmPtr->Gpr[0] = Arg;
}
/**
@@ -176,14 +176,14 @@ EbcInterpret (
return Status;
}
VmContext.StackTop = (UINT8*)VmContext.StackPool + (STACK_REMAIN_SIZE);
VmContext.R[0] = (UINT64) ((UINT8*)VmContext.StackPool + STACK_POOL_SIZE);
VmContext.HighStackBottom = (UINTN) VmContext.R[0];
VmContext.R[0] -= sizeof (UINTN);
VmContext.Gpr[0] = (UINT64) ((UINT8*)VmContext.StackPool + STACK_POOL_SIZE);
VmContext.HighStackBottom = (UINTN) VmContext.Gpr[0];
VmContext.Gpr[0] -= sizeof (UINTN);
PushU64 (&VmContext, (UINT64) VM_STACK_KEY_VALUE);
VmContext.StackMagicPtr = (UINTN *) VmContext.R[0];
VmContext.LowStackTop = (UINTN) VmContext.R[0];
VmContext.StackMagicPtr = (UINTN *) VmContext.Gpr[0];
VmContext.LowStackTop = (UINTN) VmContext.Gpr[0];
//
// Push the EBC arguments on the stack. Does not matter that they may not
// all be valid.
@@ -211,7 +211,7 @@ EbcInterpret (
//
PushU64 (&VmContext, 0);
PushU64 (&VmContext, 0xDEADBEEFDEADBEEF);
VmContext.StackRetAddr = (UINT64) VmContext.R[0];
VmContext.StackRetAddr = (UINT64) VmContext.Gpr[0];
//
// Begin executing the EBC code
//
@@ -220,7 +220,7 @@ EbcInterpret (
// Return the value in R[7] unless there was an error
//
ReturnEBCStack(StackIndex);
return (UINT64) VmContext.R[7];
return (UINT64) VmContext.Gpr[7];
}
@@ -283,9 +283,9 @@ ExecuteEbcImageEntryPoint (
return Status;
}
VmContext.StackTop = (UINT8*)VmContext.StackPool + (STACK_REMAIN_SIZE);
VmContext.R[0] = (UINT64) ((UINT8*)VmContext.StackPool + STACK_POOL_SIZE);
VmContext.HighStackBottom = (UINTN) VmContext.R[0];
VmContext.R[0] -= sizeof (UINTN);
VmContext.Gpr[0] = (UINT64) ((UINT8*)VmContext.StackPool + STACK_POOL_SIZE);
VmContext.HighStackBottom = (UINTN) VmContext.Gpr[0];
VmContext.Gpr[0] -= sizeof (UINTN);
//
@@ -293,7 +293,7 @@ ExecuteEbcImageEntryPoint (
// at the bottom so we can detect stack corruption.
//
PushU64 (&VmContext, (UINT64) VM_STACK_KEY_VALUE);
VmContext.StackMagicPtr = (UINTN *) (UINTN) VmContext.R[0];
VmContext.StackMagicPtr = (UINTN *) (UINTN) VmContext.Gpr[0];
//
// When we thunk to external native code, we copy the last 8 qwords from
@@ -304,15 +304,15 @@ ExecuteEbcImageEntryPoint (
// Therefore, leave another gap below the magic value. Pick 10 qwords down,
// just as a starting point.
//
VmContext.R[0] -= 10 * sizeof (UINT64);
VmContext.Gpr[0] -= 10 * sizeof (UINT64);
//
// Align the stack pointer such that after pushing the system table,
// image handle, and return address on the stack, it's aligned on a 16-byte
// boundary as required for IPF.
//
VmContext.R[0] &= (INT64)~0x0f;
VmContext.LowStackTop = (UINTN) VmContext.R[0];
VmContext.Gpr[0] &= (INT64)~0x0f;
VmContext.LowStackTop = (UINTN) VmContext.Gpr[0];
//
// Simply copy the image handle and system table onto the EBC stack.
// Greatly simplifies things by not having to spill the args
@@ -327,7 +327,7 @@ ExecuteEbcImageEntryPoint (
//
PushU64 (&VmContext, (UINT64) 0);
PushU64 (&VmContext, (UINT64) 0x1234567887654321);
VmContext.StackRetAddr = (UINT64) VmContext.R[0];
VmContext.StackRetAddr = (UINT64) VmContext.Gpr[0];
//
// Begin executing the EBC code
@@ -338,7 +338,7 @@ ExecuteEbcImageEntryPoint (
// Return the value in R[7] unless there was an error
//
ReturnEBCStack(StackIndex);
return (UINT64) VmContext.R[7];
return (UINT64) VmContext.Gpr[7];
}
@@ -855,11 +855,11 @@ Action:
// put our return address and frame pointer on the VM stack.
// Then set the VM's IP to new EBC code.
//
VmPtr->R[0] -= 8;
VmWriteMemN (VmPtr, (UINTN) VmPtr->R[0], (UINTN) FramePtr);
VmPtr->FramePtr = (VOID *) (UINTN) VmPtr->R[0];
VmPtr->R[0] -= 8;
VmWriteMem64 (VmPtr, (UINTN) VmPtr->R[0], (UINT64) (VmPtr->Ip + Size));
VmPtr->Gpr[0] -= 8;
VmWriteMemN (VmPtr, (UINTN) VmPtr->Gpr[0], (UINTN) FramePtr);
VmPtr->FramePtr = (VOID *) (UINTN) VmPtr->Gpr[0];
VmPtr->Gpr[0] -= 8;
VmWriteMem64 (VmPtr, (UINTN) VmPtr->Gpr[0], (UINT64) (VmPtr->Ip + Size));
VmPtr->Ip = (VMIP) (UINTN) TargetEbcAddr;
} else {
@@ -871,7 +871,7 @@ Action:
//
// Get return value and advance the IP.
//
VmPtr->R[7] = EbcLLGetReturnValue ();
VmPtr->Gpr[7] = EbcLLGetReturnValue ();
VmPtr->Ip += Size;
}
}

54
MdeModulePkg/Universal/EbcDxe/X64/EbcSupport.c
View File

@@ -2,7 +2,7 @@
This module contains EBC support routines that are customized based on
the target x64 processor.
Copyright (c) 2006 - 2008, Intel Corporation. <BR>
Copyright (c) 2006 - 2010, Intel Corporation. <BR>
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -45,8 +45,8 @@ PushU64 (
// Advance the VM stack down, and then copy the argument to the stack.
// Hope it's aligned.
//
VmPtr->R[0] -= sizeof (UINT64);
*(UINT64 *) VmPtr->R[0] = Arg;
VmPtr->Gpr[0] -= sizeof (UINT64);
*(UINT64 *) VmPtr->Gpr[0] = Arg;
return;
}
@@ -140,25 +140,25 @@ EbcInterpret (
return Status;
}
VmContext.StackTop = (UINT8*)VmContext.StackPool + (STACK_REMAIN_SIZE);
VmContext.R[0] = (UINT64) ((UINT8*)VmContext.StackPool + STACK_POOL_SIZE);
VmContext.HighStackBottom = (UINTN) VmContext.R[0];
VmContext.R[0] -= sizeof (UINTN);
VmContext.Gpr[0] = (UINT64) ((UINT8*)VmContext.StackPool + STACK_POOL_SIZE);
VmContext.HighStackBottom = (UINTN) VmContext.Gpr[0];
VmContext.Gpr[0] -= sizeof (UINTN);
//
// Align the stack on a natural boundary.
//
VmContext.R[0] &= ~(sizeof (UINTN) - 1);
VmContext.Gpr[0] &= ~(sizeof (UINTN) - 1);
//
// Put a magic value in the stack gap, then adjust down again.
//
*(UINTN *) (UINTN) (VmContext.R[0]) = (UINTN) VM_STACK_KEY_VALUE;
VmContext.StackMagicPtr = (UINTN *) (UINTN) VmContext.R[0];
*(UINTN *) (UINTN) (VmContext.Gpr[0]) = (UINTN) VM_STACK_KEY_VALUE;
VmContext.StackMagicPtr = (UINTN *) (UINTN) VmContext.Gpr[0];
//
// The stack upper to LowStackTop is belong to the VM.
//
VmContext.LowStackTop = (UINTN) VmContext.R[0];
VmContext.LowStackTop = (UINTN) VmContext.Gpr[0];
//
// For the worst case, assume there are 4 arguments passed in registers, store
@@ -191,7 +191,7 @@ EbcInterpret (
//
// For x64, this is where we say our return address is
//
VmContext.StackRetAddr = (UINT64) VmContext.R[0];
VmContext.StackRetAddr = (UINT64) VmContext.Gpr[0];
//
// We need to keep track of where the EBC stack starts. This way, if the EBC
@@ -216,7 +216,7 @@ EbcInterpret (
// Return the value in R[7] unless there was an error
//
ReturnEBCStack(StackIndex);
return (UINT64) VmContext.R[7];
return (UINT64) VmContext.Gpr[7];
}
@@ -280,22 +280,22 @@ ExecuteEbcImageEntryPoint (
return Status;
}
VmContext.StackTop = (UINT8*)VmContext.StackPool + (STACK_REMAIN_SIZE);
VmContext.R[0] = (UINT64) ((UINT8*)VmContext.StackPool + STACK_POOL_SIZE);
VmContext.HighStackBottom = (UINTN) VmContext.R[0];
VmContext.R[0] -= sizeof (UINTN);
VmContext.Gpr[0] = (UINT64) ((UINT8*)VmContext.StackPool + STACK_POOL_SIZE);
VmContext.HighStackBottom = (UINTN) VmContext.Gpr[0];
VmContext.Gpr[0] -= sizeof (UINTN);
//
// Put a magic value in the stack gap, then adjust down again
//
*(UINTN *) (UINTN) (VmContext.R[0]) = (UINTN) VM_STACK_KEY_VALUE;
VmContext.StackMagicPtr = (UINTN *) (UINTN) VmContext.R[0];
*(UINTN *) (UINTN) (VmContext.Gpr[0]) = (UINTN) VM_STACK_KEY_VALUE;
VmContext.StackMagicPtr = (UINTN *) (UINTN) VmContext.Gpr[0];
//
// Align the stack on a natural boundary
VmContext.R[0] &= ~(sizeof(UINTN) - 1);
VmContext.Gpr[0] &= ~(sizeof(UINTN) - 1);
//
VmContext.LowStackTop = (UINTN) VmContext.R[0];
VmContext.LowStackTop = (UINTN) VmContext.Gpr[0];
//
// Simply copy the image handle and system table onto the EBC stack.
@@ -313,7 +313,7 @@ ExecuteEbcImageEntryPoint (
//
// For x64, this is where we say our return address is
//
VmContext.StackRetAddr = (UINT64) VmContext.R[0];
VmContext.StackRetAddr = (UINT64) VmContext.Gpr[0];
//
// Entry function needn't access high stack context, simply
@@ -329,7 +329,7 @@ ExecuteEbcImageEntryPoint (
// Return the value in R[7] unless there was an error
//
ReturnEBCStack(StackIndex);
return (UINT64) VmContext.R[7];
return (UINT64) VmContext.Gpr[7];
}
@@ -577,11 +577,11 @@ Action:
// put our return address and frame pointer on the VM stack.
// Then set the VM's IP to new EBC code.
//
VmPtr->R[0] -= 8;
VmWriteMemN (VmPtr, (UINTN) VmPtr->R[0], (UINTN) FramePtr);
VmPtr->FramePtr = (VOID *) (UINTN) VmPtr->R[0];
VmPtr->R[0] -= 8;
VmWriteMem64 (VmPtr, (UINTN) VmPtr->R[0], (UINT64) (VmPtr->Ip + Size));
VmPtr->Gpr[0] -= 8;
VmWriteMemN (VmPtr, (UINTN) VmPtr->Gpr[0], (UINTN) FramePtr);
VmPtr->FramePtr = (VOID *) (UINTN) VmPtr->Gpr[0];
VmPtr->Gpr[0] -= 8;
VmWriteMem64 (VmPtr, (UINTN) VmPtr->Gpr[0], (UINT64) (VmPtr->Ip + Size));
VmPtr->Ip = (VMIP) (UINTN) TargetEbcAddr;
} else {
@@ -593,7 +593,7 @@ Action:
//
// Get return value and advance the IP.
//
VmPtr->R[7] = EbcLLGetReturnValue ();
VmPtr->Gpr[7] = EbcLLGetReturnValue ();
VmPtr->Ip += Size;
}
}