mirror of https://github.com/acidanthera/audk.git
MdeModulePkg/EbcDxe: reorganize EBC header definitions
VM related defs are now in EbcVmTest.h, and opocode related definitions in Ebc.h. Because it is used by both the EBC Debugger and driver, EbcDebugSignalException() sees its definition factorized in EbcDebuggerHook.h. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Pete Batard <pete@akeo.ie> Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
This commit is contained in:
Pete Batard
Jiewen Yao
parent
748edcd5eb
commit
3e2c784302
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@ -30,6 +30,55 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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//
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typedef struct _EFI_EBC_VM_TEST_PROTOCOL EFI_EBC_VM_TEST_PROTOCOL;
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//
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// VM major/minor version
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//
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#define VM_MAJOR_VERSION 1
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#define VM_MINOR_VERSION 0
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//
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// Bits in the VM->StopFlags field
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//
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#define STOPFLAG_APP_DONE 0x0001
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#define STOPFLAG_BREAKPOINT 0x0002
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#define STOPFLAG_INVALID_BREAK 0x0004
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#define STOPFLAG_BREAK_ON_CALLEX 0x0008
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//
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// Masks for working with the VM flags register
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//
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#define VMFLAGS_CC 0x0001 // condition flag
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#define VMFLAGS_STEP 0x0002 // step instruction mode
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#define VMFLAGS_ALL_VALID (VMFLAGS_CC | VMFLAGS_STEP)
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//
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// Macros for operating on the VM flags register
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//
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#define VMFLAG_SET(pVM, Flag) (pVM->Flags |= (Flag))
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#define VMFLAG_ISSET(pVM, Flag) ((pVM->Flags & (Flag)) ? 1 : 0)
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#define VMFLAG_CLEAR(pVM, Flag) (pVM->Flags &= ~(Flag))
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//
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// Define a macro to get the operand. Then we can change it to be either a
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// direct read or have it call a function to read memory.
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//
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#define GETOPERANDS(pVM) (UINT8) (*(UINT8 *) (pVM->Ip + 1))
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#define GETOPCODE(pVM) (UINT8) (*(UINT8 *) pVM->Ip)
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//
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// Macros for operating on the VM GP registers
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//
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#define OPERAND1_REGDATA(pVM, Op) pVM->Gpr[OPERAND1_REGNUM (Op)]
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#define OPERAND2_REGDATA(pVM, Op) pVM->Gpr[OPERAND2_REGNUM (Op)]
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//
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// Bits of exception flags field of VM context
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//
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#define EXCEPTION_FLAG_FATAL 0x80000000 // can't continue
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#define EXCEPTION_FLAG_ERROR 0x40000000 // bad, but try to continue
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#define EXCEPTION_FLAG_WARNING 0x20000000 // harmless problem
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#define EXCEPTION_FLAG_NONE 0x00000000 // for normal return
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///
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/// instruction pointer for the VM
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///
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@ -21,12 +21,8 @@ Abstract:
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#ifndef _EFI_EDB_H_
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#define _EFI_EDB_H_
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#include <Uefi.h>
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#include "EdbCommon.h"
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#include "EbcInt.h"
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#include "EbcExecute.h"
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#define EBC_DEBUGGER_MAJOR_VERSION 1
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#define EBC_DEBUGGER_MINOR_VERSION 0
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@ -22,9 +22,14 @@ Abstract:
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#define _EFI_EDB_COMMON_H_
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#include <Uefi.h>
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#include <Library/BaseLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/DebugLib.h>
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#include <Library/UefiLib.h>
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#include <Library/PrintLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Protocol/Ebc.h>
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#include <Protocol/DebugSupport.h>
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#include <Protocol/PciRootBridgeIo.h>
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#include <Protocol/SimpleFileSystem.h>
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@ -16,9 +16,7 @@
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**/
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#include <Uefi.h>
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#include <Protocol/DebugSupport.h>
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#include <Protocol/EbcVmTest.h>
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#include "EbcDebuggerHook.h"
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VOID
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EbcDebuggerHookInit (
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@ -15,6 +15,29 @@
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#ifndef _EFI_EBC_DEBUGGER_HOOK_H_
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#define _EFI_EBC_DEBUGGER_HOOK_H_
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#include <Uefi.h>
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#include <Protocol/DebugSupport.h>
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#include <Protocol/EbcVmTest.h>
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/**
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The VM interpreter calls this function when an exception is detected.
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@param ExceptionType Specifies the processor exception detected.
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@param ExceptionFlags Specifies the exception context.
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@param VmPtr Pointer to a VM context for passing info to the
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EFI debugger.
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@retval EFI_SUCCESS This function completed successfully.
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**/
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EFI_STATUS
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EbcDebugSignalException (
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IN EFI_EXCEPTION_TYPE ExceptionType,
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IN EXCEPTION_FLAGS ExceptionFlags,
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IN VM_CONTEXT *VmPtr
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);
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//
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// Hooks in EbcInt.c
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//
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@ -17,215 +17,17 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#ifndef _EBC_EXECUTE_H_
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#define _EBC_EXECUTE_H_
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//
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// VM major/minor version
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//
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#define VM_MAJOR_VERSION 1
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#define VM_MINOR_VERSION 0
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//
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// Macros to check and set alignment
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//
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#define ASSERT_ALIGNED(addr, size) ASSERT (!((UINT32) (addr) & (size - 1)))
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#define IS_ALIGNED(addr, size) !((UINT32) (addr) & (size - 1))
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//
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// Define a macro to get the operand. Then we can change it to be either a
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// direct read or have it call a function to read memory.
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//
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#define GETOPERANDS(pVM) (UINT8) (*(UINT8 *) (pVM->Ip + 1))
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#define GETOPCODE(pVM) (UINT8) (*(UINT8 *) pVM->Ip)
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//
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// Bit masks for opcode encodings
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//
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#define OPCODE_M_OPCODE 0x3F // bits of interest for first level decode
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#define OPCODE_M_IMMDATA 0x80
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#define OPCODE_M_IMMDATA64 0x40
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#define OPCODE_M_64BIT 0x40 // for CMP
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#define OPCODE_M_RELADDR 0x10 // for CALL instruction
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#define OPCODE_M_CMPI32_DATA 0x80 // for CMPI
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#define OPCODE_M_CMPI64 0x40 // for CMPI 32 or 64 bit comparison
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#define OPERAND_M_MOVIN_N 0x80
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#define OPERAND_M_CMPI_INDEX 0x10
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//
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// Masks for instructions that encode presence of indexes for operand1 and/or
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// operand2.
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//
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#define OPCODE_M_IMMED_OP1 0x80
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#define OPCODE_M_IMMED_OP2 0x40
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//
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// Bit masks for operand encodings
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//
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#define OPERAND_M_INDIRECT1 0x08
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#define OPERAND_M_INDIRECT2 0x80
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#define OPERAND_M_OP1 0x07
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#define OPERAND_M_OP2 0x70
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//
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// Masks for data manipulation instructions
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//
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#define DATAMANIP_M_64 0x40 // 64-bit width operation
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#define DATAMANIP_M_IMMDATA 0x80
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//
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// For MOV instructions, need a mask for the opcode when immediate
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// data applies to R2.
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//
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#define OPCODE_M_IMMED_OP2 0x40
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//
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// The MOVI/MOVIn instructions use bit 6 of operands byte to indicate
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// if an index is present. Then bits 4 and 5 are used to indicate the width
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// of the move.
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//
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#define MOVI_M_IMMDATA 0x40
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#define MOVI_M_DATAWIDTH 0xC0
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#define MOVI_DATAWIDTH16 0x40
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#define MOVI_DATAWIDTH32 0x80
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#define MOVI_DATAWIDTH64 0xC0
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#define MOVI_M_MOVEWIDTH 0x30
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#define MOVI_MOVEWIDTH8 0x00
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#define MOVI_MOVEWIDTH16 0x10
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#define MOVI_MOVEWIDTH32 0x20
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#define MOVI_MOVEWIDTH64 0x30
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//
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// Masks for CALL instruction encodings
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//
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#define OPERAND_M_RELATIVE_ADDR 0x10
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#define OPERAND_M_NATIVE_CALL 0x20
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//
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// Masks for decoding push/pop instructions
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//
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#define PUSHPOP_M_IMMDATA 0x80 // opcode bit indicating immediate data
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#define PUSHPOP_M_64 0x40 // opcode bit indicating 64-bit operation
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//
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// Mask for operand of JMP instruction
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//
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#define JMP_M_RELATIVE 0x10
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#define JMP_M_CONDITIONAL 0x80
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#define JMP_M_CS 0x40
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//
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// Macros to determine if a given operand is indirect
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//
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#define OPERAND1_INDIRECT(op) ((op) & OPERAND_M_INDIRECT1)
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#define OPERAND2_INDIRECT(op) ((op) & OPERAND_M_INDIRECT2)
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//
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// Macros to extract the operands from second byte of instructions
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//
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#define OPERAND1_REGNUM(op) ((op) & OPERAND_M_OP1)
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#define OPERAND2_REGNUM(op) (((op) & OPERAND_M_OP2) >> 4)
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#define OPERAND1_CHAR(op) ('0' + OPERAND1_REGNUM (op))
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#define OPERAND2_CHAR(op) ('0' + OPERAND2_REGNUM (op))
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#define OPERAND1_REGDATA(pvm, op) pvm->Gpr[OPERAND1_REGNUM (op)]
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#define OPERAND2_REGDATA(pvm, op) pvm->Gpr[OPERAND2_REGNUM (op)]
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//
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// Condition masks usually for byte 1 encodings of code
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//
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#define CONDITION_M_CONDITIONAL 0x80
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#define CONDITION_M_CS 0x40
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//
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// Bits in the VM->StopFlags field
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//
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#define STOPFLAG_APP_DONE 0x0001
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#define STOPFLAG_BREAKPOINT 0x0002
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#define STOPFLAG_INVALID_BREAK 0x0004
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#define STOPFLAG_BREAK_ON_CALLEX 0x0008
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//
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// Masks for working with the VM flags register
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//
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#define VMFLAGS_CC 0x0001 // condition flag
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#define VMFLAGS_STEP 0x0002 // step instruction mode
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#define VMFLAGS_ALL_VALID (VMFLAGS_CC | VMFLAGS_STEP)
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//
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// Macros for operating on the VM flags register
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//
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#define VMFLAG_SET(pVM, Flag) (pVM->Flags |= (Flag))
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#define VMFLAG_ISSET(pVM, Flag) ((pVM->Flags & (Flag)) ? 1 : 0)
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#define VMFLAG_CLEAR(pVM, Flag) (pVM->Flags &= ~(Flag))
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//
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// Debug macro
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//
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#define EBCMSG(s) gST->ConOut->OutputString (gST->ConOut, s)
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//
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// Define OPCODES
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//
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#define OPCODE_BREAK 0x00
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#define OPCODE_JMP 0x01
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#define OPCODE_JMP8 0x02
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#define OPCODE_CALL 0x03
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#define OPCODE_RET 0x04
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#define OPCODE_CMPEQ 0x05
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#define OPCODE_CMPLTE 0x06
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#define OPCODE_CMPGTE 0x07
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#define OPCODE_CMPULTE 0x08
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#define OPCODE_CMPUGTE 0x09
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#define OPCODE_NOT 0x0A
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#define OPCODE_NEG 0x0B
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#define OPCODE_ADD 0x0C
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#define OPCODE_SUB 0x0D
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#define OPCODE_MUL 0x0E
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#define OPCODE_MULU 0x0F
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#define OPCODE_DIV 0x10
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#define OPCODE_DIVU 0x11
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#define OPCODE_MOD 0x12
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#define OPCODE_MODU 0x13
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#define OPCODE_AND 0x14
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#define OPCODE_OR 0x15
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#define OPCODE_XOR 0x16
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#define OPCODE_SHL 0x17
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#define OPCODE_SHR 0x18
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#define OPCODE_ASHR 0x19
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#define OPCODE_EXTNDB 0x1A
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#define OPCODE_EXTNDW 0x1B
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#define OPCODE_EXTNDD 0x1C
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#define OPCODE_MOVBW 0x1D
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#define OPCODE_MOVWW 0x1E
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#define OPCODE_MOVDW 0x1F
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#define OPCODE_MOVQW 0x20
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#define OPCODE_MOVBD 0x21
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#define OPCODE_MOVWD 0x22
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#define OPCODE_MOVDD 0x23
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#define OPCODE_MOVQD 0x24
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#define OPCODE_MOVSNW 0x25 // Move signed natural with word index
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#define OPCODE_MOVSND 0x26 // Move signed natural with dword index
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//
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// #define OPCODE_27 0x27
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//
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#define OPCODE_MOVQQ 0x28 // Does this go away?
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#define OPCODE_LOADSP 0x29
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#define OPCODE_STORESP 0x2A
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#define OPCODE_PUSH 0x2B
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#define OPCODE_POP 0x2C
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#define OPCODE_CMPIEQ 0x2D
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#define OPCODE_CMPILTE 0x2E
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#define OPCODE_CMPIGTE 0x2F
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#define OPCODE_CMPIULTE 0x30
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#define OPCODE_CMPIUGTE 0x31
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#define OPCODE_MOVNW 0x32
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#define OPCODE_MOVND 0x33
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//
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// #define OPCODE_34 0x34
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//
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#define OPCODE_PUSHN 0x35
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#define OPCODE_POPN 0x36
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#define OPCODE_MOVI 0x37
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#define OPCODE_MOVIN 0x38
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#define OPCODE_MOVREL 0x39
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/**
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Execute an EBC image from an entry point or from a published protocol.
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@ -33,13 +33,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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extern VM_CONTEXT *mVmPtr;
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//
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// Bits of exception flags field of VM context
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//
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#define EXCEPTION_FLAG_FATAL 0x80000000 // can't continue
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#define EXCEPTION_FLAG_ERROR 0x40000000 // bad, but try to continue
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#define EXCEPTION_FLAG_WARNING 0x20000000 // harmless problem
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#define EXCEPTION_FLAG_NONE 0x00000000 // for normal return
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//
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// Flags passed to the internal create-thunks function.
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//
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@ -96,28 +89,6 @@ EbcAddImageThunk (
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IN UINT32 ThunkSize
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);
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//
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// The interpreter calls these when an exception is detected,
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// or as a periodic callback.
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//
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/**
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The VM interpreter calls this function when an exception is detected.
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@param ExceptionType Specifies the processor exception detected.
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@param ExceptionFlags Specifies the exception context.
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@param VmPtr Pointer to a VM context for passing info to the
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EFI debugger.
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@retval EFI_SUCCESS This function completed successfully.
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**/
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EFI_STATUS
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EbcDebugSignalException (
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IN EFI_EXCEPTION_TYPE ExceptionType,
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IN EXCEPTION_FLAGS ExceptionFlags,
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IN VM_CONTEXT *VmPtr
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);
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//
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// Define a constant of how often to call the debugger periodic callback
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// function.
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@ -20,6 +20,167 @@
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0x13AC6DD1, 0x73D0, 0x11D4, {0xB0, 0x6B, 0x00, 0xAA, 0x00, 0xBD, 0x6D, 0xE7 } \
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}
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//
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// Define OPCODES
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//
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#define OPCODE_BREAK 0x00
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#define OPCODE_JMP 0x01
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#define OPCODE_JMP8 0x02
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#define OPCODE_CALL 0x03
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#define OPCODE_RET 0x04
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#define OPCODE_CMPEQ 0x05
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#define OPCODE_CMPLTE 0x06
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#define OPCODE_CMPGTE 0x07
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#define OPCODE_CMPULTE 0x08
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#define OPCODE_CMPUGTE 0x09
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#define OPCODE_NOT 0x0A
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#define OPCODE_NEG 0x0B
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#define OPCODE_ADD 0x0C
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#define OPCODE_SUB 0x0D
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#define OPCODE_MUL 0x0E
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#define OPCODE_MULU 0x0F
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#define OPCODE_DIV 0x10
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#define OPCODE_DIVU 0x11
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#define OPCODE_MOD 0x12
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#define OPCODE_MODU 0x13
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#define OPCODE_AND 0x14
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#define OPCODE_OR 0x15
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#define OPCODE_XOR 0x16
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#define OPCODE_SHL 0x17
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#define OPCODE_SHR 0x18
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#define OPCODE_ASHR 0x19
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#define OPCODE_EXTNDB 0x1A
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#define OPCODE_EXTNDW 0x1B
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#define OPCODE_EXTNDD 0x1C
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#define OPCODE_MOVBW 0x1D
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#define OPCODE_MOVWW 0x1E
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#define OPCODE_MOVDW 0x1F
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#define OPCODE_MOVQW 0x20
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#define OPCODE_MOVBD 0x21
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#define OPCODE_MOVWD 0x22
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#define OPCODE_MOVDD 0x23
|
||||
#define OPCODE_MOVQD 0x24
|
||||
#define OPCODE_MOVSNW 0x25 // Move signed natural with word index
|
||||
#define OPCODE_MOVSND 0x26 // Move signed natural with dword index
|
||||
//
|
||||
// #define OPCODE_27 0x27
|
||||
//
|
||||
#define OPCODE_MOVQQ 0x28 // Does this go away?
|
||||
#define OPCODE_LOADSP 0x29
|
||||
#define OPCODE_STORESP 0x2A
|
||||
#define OPCODE_PUSH 0x2B
|
||||
#define OPCODE_POP 0x2C
|
||||
#define OPCODE_CMPIEQ 0x2D
|
||||
#define OPCODE_CMPILTE 0x2E
|
||||
#define OPCODE_CMPIGTE 0x2F
|
||||
#define OPCODE_CMPIULTE 0x30
|
||||
#define OPCODE_CMPIUGTE 0x31
|
||||
#define OPCODE_MOVNW 0x32
|
||||
#define OPCODE_MOVND 0x33
|
||||
//
|
||||
// #define OPCODE_34 0x34
|
||||
//
|
||||
#define OPCODE_PUSHN 0x35
|
||||
#define OPCODE_POPN 0x36
|
||||
#define OPCODE_MOVI 0x37
|
||||
#define OPCODE_MOVIN 0x38
|
||||
#define OPCODE_MOVREL 0x39
|
||||
|
||||
//
|
||||
// Bit masks for opcode encodings
|
||||
//
|
||||
#define OPCODE_M_OPCODE 0x3F // bits of interest for first level decode
|
||||
#define OPCODE_M_IMMDATA 0x80
|
||||
#define OPCODE_M_IMMDATA64 0x40
|
||||
#define OPCODE_M_64BIT 0x40 // for CMP
|
||||
#define OPCODE_M_RELADDR 0x10 // for CALL instruction
|
||||
#define OPCODE_M_CMPI32_DATA 0x80 // for CMPI
|
||||
#define OPCODE_M_CMPI64 0x40 // for CMPI 32 or 64 bit comparison
|
||||
#define OPERAND_M_MOVIN_N 0x80
|
||||
#define OPERAND_M_CMPI_INDEX 0x10
|
||||
|
||||
//
|
||||
// Masks for instructions that encode presence of indexes for operand1 and/or
|
||||
// operand2.
|
||||
//
|
||||
#define OPCODE_M_IMMED_OP1 0x80
|
||||
#define OPCODE_M_IMMED_OP2 0x40
|
||||
|
||||
//
|
||||
// Bit masks for operand encodings
|
||||
//
|
||||
#define OPERAND_M_INDIRECT1 0x08
|
||||
#define OPERAND_M_INDIRECT2 0x80
|
||||
#define OPERAND_M_OP1 0x07
|
||||
#define OPERAND_M_OP2 0x70
|
||||
|
||||
//
|
||||
// Masks for data manipulation instructions
|
||||
//
|
||||
#define DATAMANIP_M_64 0x40 // 64-bit width operation
|
||||
#define DATAMANIP_M_IMMDATA 0x80
|
||||
|
||||
//
|
||||
// For MOV instructions, need a mask for the opcode when immediate
|
||||
// data applies to R2.
|
||||
//
|
||||
#define OPCODE_M_IMMED_OP2 0x40
|
||||
|
||||
//
|
||||
// The MOVI/MOVIn instructions use bit 6 of operands byte to indicate
|
||||
// if an index is present. Then bits 4 and 5 are used to indicate the width
|
||||
// of the move.
|
||||
//
|
||||
#define MOVI_M_IMMDATA 0x40
|
||||
#define MOVI_M_DATAWIDTH 0xC0
|
||||
#define MOVI_DATAWIDTH16 0x40
|
||||
#define MOVI_DATAWIDTH32 0x80
|
||||
#define MOVI_DATAWIDTH64 0xC0
|
||||
#define MOVI_M_MOVEWIDTH 0x30
|
||||
#define MOVI_MOVEWIDTH8 0x00
|
||||
#define MOVI_MOVEWIDTH16 0x10
|
||||
#define MOVI_MOVEWIDTH32 0x20
|
||||
#define MOVI_MOVEWIDTH64 0x30
|
||||
|
||||
//
|
||||
// Masks for CALL instruction encodings
|
||||
//
|
||||
#define OPERAND_M_RELATIVE_ADDR 0x10
|
||||
#define OPERAND_M_NATIVE_CALL 0x20
|
||||
|
||||
//
|
||||
// Masks for decoding push/pop instructions
|
||||
//
|
||||
#define PUSHPOP_M_IMMDATA 0x80 // opcode bit indicating immediate data
|
||||
#define PUSHPOP_M_64 0x40 // opcode bit indicating 64-bit operation
|
||||
//
|
||||
// Mask for operand of JMP instruction
|
||||
//
|
||||
#define JMP_M_RELATIVE 0x10
|
||||
#define JMP_M_CONDITIONAL 0x80
|
||||
#define JMP_M_CS 0x40
|
||||
|
||||
//
|
||||
// Macros to determine if a given operand is indirect
|
||||
//
|
||||
#define OPERAND1_INDIRECT(op) ((op) & OPERAND_M_INDIRECT1)
|
||||
#define OPERAND2_INDIRECT(op) ((op) & OPERAND_M_INDIRECT2)
|
||||
|
||||
//
|
||||
// Macros to extract the operands from second byte of instructions
|
||||
//
|
||||
#define OPERAND1_REGNUM(op) ((op) & OPERAND_M_OP1)
|
||||
#define OPERAND2_REGNUM(op) (((op) & OPERAND_M_OP2) >> 4)
|
||||
|
||||
#define OPERAND1_CHAR(op) ('0' + OPERAND1_REGNUM (op))
|
||||
#define OPERAND2_CHAR(op) ('0' + OPERAND2_REGNUM (op))
|
||||
|
||||
//
|
||||
// Condition masks usually for byte 1 encodings of code
|
||||
//
|
||||
#define CONDITION_M_CONDITIONAL 0x80
|
||||
#define CONDITION_M_CS 0x40
|
||||
|
||||
///
|
||||
/// Protocol Guid Name defined in spec.
|
||||
///
|
||||
|
|
|
|||
Loading…
Reference in New Issue