MdeModulePkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / MdeModulePkg / Universal / EbcDxe / EbcExecute.c

diff --git a/MdeModulePkg/Universal/EbcDxe/EbcExecute.c b/MdeModulePkg/Universal/EbcDxe/EbcExecute.c
index 69aee07ea9f3414b1d43333c92726ff2a7de8cee..1c4a4f5155c92ed7e5281989b3441b0515724f68 100644 (file)
--- a/MdeModulePkg/Universal/EbcDxe/EbcExecute.c
+++ b/MdeModulePkg/Universal/EbcDxe/EbcExecute.c
@@ -1,19 +1,14 @@
 /** @file\r
   Contains code that implements the virtual machine.\r
 \r
-Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>\r
-This program and the accompanying materials\r
-are licensed and made available under the terms and conditions of the BSD License\r
-which accompanies this distribution.  The full text of the license may be found at\r
-http://opensource.org/licenses/bsd-license.php\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
+SPDX-License-Identifier: BSD-2-Clause-Patent\r
 \r
 **/\r
 \r
 #include "EbcInt.h"\r
 #include "EbcExecute.h"\r
+#include "EbcDebuggerHook.h"\r
 \r
 \r
 //\r
@@ -1332,11 +1327,11 @@ CONST VM_TABLE_ENTRY           mVmOpcodeTable[] = {
   { ExecuteMOVIn },             // opcode 0x38 - mov immediate natural\r
   { ExecuteMOVREL },            // opcode 0x39 - move data relative to PC\r
   { NULL },                     // opcode 0x3a\r
-  { NULL },                     // opcode 0x3b \r
-  { NULL },                     // opcode 0x3c \r
-  { NULL },                     // opcode 0x3d \r
-  { NULL },                     // opcode 0x3e \r
-  { NULL }                      // opcode 0x3f \r
+  { NULL },                     // opcode 0x3b\r
+  { NULL },                     // opcode 0x3c\r
+  { NULL },                     // opcode 0x3d\r
+  { NULL },                     // opcode 0x3e\r
+  { NULL }                      // opcode 0x3f\r
 };\r
 \r
 //\r
@@ -1488,6 +1483,9 @@ EbcExecute (
       Status = EFI_UNSUPPORTED;\r
       goto Done;\r
     }\r
+\r
+    EbcDebuggerHookExecuteStart (VmPtr);\r
+\r
     //\r
     // The EBC VM is a strongly ordered processor, so perform a fence operation before\r
     // and after each instruction is executed.\r
@@ -1498,6 +1496,8 @@ EbcExecute (
 \r
     MemoryFence ();\r
 \r
+    EbcDebuggerHookExecuteEnd (VmPtr);\r
+\r
     //\r
     // If the step flag is set, signal an exception and continue. We don't\r
     // clear it here. Assuming the debugger is responsible for clearing it.\r
@@ -1976,7 +1976,9 @@ ExecuteJMP (
   ConditionFlag = (UINT8) VMFLAG_ISSET (VmPtr, VMFLAGS_CC);\r
   if ((Operand & CONDITION_M_CONDITIONAL) != 0) {\r
     if (CompareSet != ConditionFlag) {\r
+      EbcDebuggerHookJMPStart (VmPtr);\r
       VmPtr->Ip += Size;\r
+      EbcDebuggerHookJMPEnd (VmPtr);\r
       return EFI_SUCCESS;\r
     }\r
   }\r
@@ -2015,11 +2017,13 @@ ExecuteJMP (
     //\r
     // Take jump -- relative or absolute\r
     //\r
+    EbcDebuggerHookJMPStart (VmPtr);\r
     if ((Operand & JMP_M_RELATIVE) != 0) {\r
       VmPtr->Ip += (UINTN) Data64 + Size;\r
     } else {\r
       VmPtr->Ip = (VMIP) (UINTN) Data64;\r
     }\r
+    EbcDebuggerHookJMPEnd (VmPtr);\r
 \r
     return EFI_SUCCESS;\r
   }\r
@@ -2065,11 +2069,14 @@ ExecuteJMP (
       return EFI_UNSUPPORTED;\r
     }\r
 \r
+    EbcDebuggerHookJMPStart (VmPtr);\r
     if ((Operand & JMP_M_RELATIVE) != 0) {\r
       VmPtr->Ip += (UINTN) Addr + Size;\r
     } else {\r
       VmPtr->Ip = (VMIP) Addr;\r
     }\r
+    EbcDebuggerHookJMPEnd (VmPtr);\r
+\r
   } else {\r
     //\r
     // Form: JMP32 Rx {Immed32}\r
@@ -2085,11 +2092,14 @@ ExecuteJMP (
       return EFI_UNSUPPORTED;\r
     }\r
 \r
+    EbcDebuggerHookJMPStart (VmPtr);\r
     if ((Operand & JMP_M_RELATIVE) != 0) {\r
       VmPtr->Ip += (UINTN) Addr + Size;\r
     } else {\r
       VmPtr->Ip = (VMIP) Addr;\r
     }\r
+    EbcDebuggerHookJMPEnd (VmPtr);\r
+\r
   }\r
 \r
   return EFI_SUCCESS;\r
@@ -2129,7 +2139,9 @@ ExecuteJMP8 (
   //\r
   if ((Opcode & CONDITION_M_CONDITIONAL) != 0) {\r
     if (CompareSet != ConditionFlag) {\r
+      EbcDebuggerHookJMP8Start (VmPtr);\r
       VmPtr->Ip += 2;\r
+      EbcDebuggerHookJMP8End (VmPtr);\r
       return EFI_SUCCESS;\r
     }\r
   }\r
@@ -2141,7 +2153,9 @@ ExecuteJMP8 (
   //\r
   // Want to check for offset == -2 and then raise an exception?\r
   //\r
+  EbcDebuggerHookJMP8Start (VmPtr);\r
   VmPtr->Ip += (Offset * 2) + 2;\r
+  EbcDebuggerHookJMP8End (VmPtr);\r
   return EFI_SUCCESS;\r
 }\r
 \r
@@ -2847,7 +2861,7 @@ ExecutePOPn (
   if (OPERAND1_INDIRECT (Operands)) {\r
     VmWriteMemN (VmPtr, (UINTN) (VmPtr->Gpr[OPERAND1_REGNUM (Operands)] + Index16), DataN);\r
   } else {\r
-    VmPtr->Gpr[OPERAND1_REGNUM (Operands)] = (INT64) (UINT64) ((UINTN) DataN + Index16);\r
+    VmPtr->Gpr[OPERAND1_REGNUM (Operands)] = (INT64) (UINT64) (UINTN) (DataN + Index16);\r
   }\r
 \r
   return EFI_SUCCESS;\r
@@ -2966,6 +2980,13 @@ ExecuteCALL (
   //\r
   Opcode    = GETOPCODE (VmPtr);\r
   Operands  = GETOPERANDS (VmPtr);\r
+\r
+  if ((Operands & OPERAND_M_NATIVE_CALL) != 0) {\r
+    EbcDebuggerHookCALLEXStart (VmPtr);\r
+  } else {\r
+    EbcDebuggerHookCALLStart (VmPtr);\r
+  }\r
+\r
   //\r
   // Assign these as well to avoid compiler warnings\r
   //\r
@@ -3067,6 +3088,12 @@ ExecuteCALL (
     }\r
   }\r
 \r
+  if ((Operands & OPERAND_M_NATIVE_CALL) != 0) {\r
+    EbcDebuggerHookCALLEXEnd (VmPtr);\r
+  } else {\r
+    EbcDebuggerHookCALLEnd (VmPtr);\r
+  }\r
+\r
   return EFI_SUCCESS;\r
 }\r
 \r
@@ -3087,6 +3114,9 @@ ExecuteRET (
   IN VM_CONTEXT *VmPtr\r
   )\r
 {\r
+\r
+  EbcDebuggerHookRETStart (VmPtr);\r
+\r
   //\r
   // If we're at the top of the stack, then simply set the done\r
   // flag and return\r
@@ -3114,6 +3144,9 @@ ExecuteRET (
     VmPtr->Gpr[0] += 8;\r
   }\r
 \r
+\r
+  EbcDebuggerHookRETEnd (VmPtr);\r
+\r
   return EFI_SUCCESS;\r
 }\r
 \r
@@ -3269,7 +3302,7 @@ ExecuteCMP (
   if (Flag != 0) {\r
     VMFLAG_SET (VmPtr, VMFLAGS_CC);\r
   } else {\r
-    VMFLAG_CLEAR (VmPtr, VMFLAGS_CC);\r
+    VMFLAG_CLEAR (VmPtr, (UINT64)VMFLAGS_CC);\r
   }\r
   //\r
   // Advance the IP\r
@@ -3448,7 +3481,7 @@ ExecuteCMPI (
   if (Flag != 0) {\r
     VMFLAG_SET (VmPtr, VMFLAGS_CC);\r
   } else {\r
-    VMFLAG_CLEAR (VmPtr, VMFLAGS_CC);\r
+    VMFLAG_CLEAR (VmPtr, (UINT64)VMFLAGS_CC);\r
   }\r
   //\r
   // Advance the IP\r
@@ -3553,7 +3586,7 @@ ExecuteSUB (
   if ((*VmPtr->Ip & DATAMANIP_M_64) != 0) {\r
     return (UINT64) ((INT64) ((INT64) Op1 - (INT64) Op2));\r
   } else {\r
-    return (UINT64) ((INT64) ((INT32) Op1 - (INT32) Op2));\r
+    return (UINT64) ((INT64) ((INT32) ((INT32) Op1 - (INT32) Op2)));\r
   }\r
 }\r
 \r
@@ -3581,7 +3614,7 @@ ExecuteMUL (
   if ((*VmPtr->Ip & DATAMANIP_M_64) != 0) {\r
     return MultS64x64 ((INT64)Op1, (INT64)Op2);\r
   } else {\r
-    return (UINT64) ((INT64) ((INT32) Op1 * (INT32) Op2));\r
+    return (UINT64) ((INT64) ((INT32) ((INT32) Op1 * (INT32) Op2)));\r
   }\r
 }\r
 \r
@@ -3609,7 +3642,7 @@ ExecuteMULU (
   if ((*VmPtr->Ip & DATAMANIP_M_64) != 0) {\r
     return MultU64x64 (Op1, Op2);\r
   } else {\r
-    return (UINT64) ((UINT32) Op1 * (UINT32) Op2);\r
+    return (UINT64) ((UINT32) ((UINT32) Op1 * (UINT32) Op2));\r
   }\r
 }\r
 \r
@@ -4216,7 +4249,7 @@ ExecuteDataManip (
   //\r
   DataManipDispatchTableIndex = (Opcode & OPCODE_M_OPCODE) - OPCODE_NOT;\r
   if ((DataManipDispatchTableIndex < 0) ||\r
-      (DataManipDispatchTableIndex >= sizeof (mDataManipDispatchTable) / sizeof (mDataManipDispatchTable[0]))) {\r
+      (DataManipDispatchTableIndex >= ARRAY_SIZE (mDataManipDispatchTable))) {\r
     EbcDebugSignalException (\r
       EXCEPT_EBC_INVALID_OPCODE,\r
       EXCEPTION_FLAG_ERROR,\r