X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_decoder.h;h=6aa0833a8bd244a579d6b830c020533cc509505e;hb=87bd3921fe6a17138bdba3a41b501a8d620cb48a;hp=ec52d094f3cea38d6a2b09a9dd03612b612b9a1e;hpb=5db3136d5331c355c188537c68005db8d2cb4eac;p=palacios.git

diff --git a/palacios/include/palacios/vmm_decoder.h b/palacios/include/palacios/vmm_decoder.h
index ec52d09..6aa0833 100644
--- a/palacios/include/palacios/vmm_decoder.h
+++ b/palacios/include/palacios/vmm_decoder.h
@@ -1,4 +1,3 @@
-
 /*
  * This file is part of the Palacios Virtual Machine Monitor developed
  * by the V3VEE Project with funding from the United States National 
@@ -27,12 +26,23 @@
 #include <palacios/vmm.h>
 
 
-typedef enum {INVALID_OPERAND, REG_OPERAND, MEM_OPERAND, IMM_OPERAND} operand_type_t;
+typedef enum { V3_INVALID_OP,
+	       V3_OP_MOVCR2, V3_OP_MOV2CR, V3_OP_SMSW, V3_OP_LMSW, V3_OP_CLTS,
+	       V3_OP_INVLPG,
+ 	       V3_OP_ADC, V3_OP_ADD, V3_OP_AND, V3_OP_OR, V3_OP_XOR, V3_OP_SUB,
+	       V3_OP_INC, V3_OP_DEC, V3_OP_NEG, V3_OP_MOV, V3_OP_NOT, V3_OP_XCHG, 
+	       V3_OP_SETB, V3_OP_SETBE, V3_OP_SETL, V3_OP_SETLE, V3_OP_SETNB, 
+	       V3_OP_SETNBE, V3_OP_SETNL, V3_OP_SETNLE, V3_OP_SETNO, V3_OP_SETNP,
+	       V3_OP_SETNS, V3_OP_SETNZ, V3_OP_SETO, V3_OP_SETP, V3_OP_SETS, 
+	       V3_OP_SETZ, V3_OP_MOVS} v3_op_type_t;
+
+
+typedef enum {INVALID_OPERAND, REG_OPERAND, MEM_OPERAND, IMM_OPERAND} v3_operand_type_t;
 
 struct x86_operand {
   addr_t operand;
   uint_t size;
-  operand_type_t type;
+  v3_operand_type_t type;
 };
 
 struct x86_prefixes {
@@ -49,7 +59,7 @@ struct x86_prefixes {
   uint_t fs_override : 1;  // 0x64
   uint_t gs_override : 1;  // 0x65
   uint_t br_not_taken : 1;  // 0x2E
-  uint_t br_takend   : 1;  // 0x3E
+  uint_t br_taken   : 1;  // 0x3E
   uint_t op_size     : 1;  // 0x66
   uint_t addr_size   : 1;  // 0x67
 };
@@ -58,11 +68,13 @@ struct x86_prefixes {
 struct x86_instr {
   struct x86_prefixes prefixes;
   uint_t instr_length;
-  addr_t opcode;    // a pointer to the V3_OPCODE_[*] arrays defined below
+  v3_op_type_t op_type;
   uint_t num_operands;
   struct x86_operand dst_operand;
   struct x86_operand src_operand;
   struct x86_operand third_operand;
+  addr_t str_op_length;
+  addr_t is_str_op;
   void * decoder_data;
 };
 
@@ -87,7 +99,7 @@ struct basic_instr_info {
 /* 
  * Initializes a decoder
  */
-int init_decoder();
+int v3_init_decoder();
 
 /* 
  * Decodes an instruction 
@@ -118,8 +130,8 @@ int v3_basic_mem_decode(struct guest_info * info, addr_t instr_ptr, struct basic
 
 
 /* Removes a rep prefix in place */
-void strip_rep_prefix(uchar_t * instr, int length);
-
+void v3_strip_rep_prefix(uchar_t * instr, int length);
+void v3_get_prefixes(uchar_t * instr, struct x86_prefixes * prefixes);
 
 
 /* 
@@ -208,7 +220,7 @@ MAKE_INSTR(SMSW,   3, 0x0f, 0x01, 0x00);
 #define PREFIX_OP_SIZE      0x66
 #define PREFIX_ADDR_SIZE    0x67
 
-int opcode_cmp(const uchar_t * op1, const uchar_t * op2);
+int v3_opcode_cmp(const uchar_t * op1, const uchar_t * op2);
 
 
 static inline int is_prefix_byte(uchar_t byte) {
@@ -241,10 +253,14 @@ static inline v3_reg_t get_gpr_mask(struct guest_info * info) {
     return 0xffff;
     break;
   case PROTECTED:
+  case PROTECTED_PAE:
     return 0xffffffff;
+  case LONG:
+  case LONG_32_COMPAT:
+  case LONG_16_COMPAT:
   default:
-    V3_ASSERT(0);
-    return 0;
+    PrintError("Unsupported Address Mode\n");
+    return -1;
   }
 }
 
@@ -258,11 +274,20 @@ static inline addr_t get_addr_linear(struct guest_info * info, addr_t addr, stru
 	 break;*/
 
   case PROTECTED:
+  case PROTECTED_PAE:
+  case LONG_32_COMPAT:
     return addr + seg->base;
     break;
+
+  case LONG:
+    // In long mode the segment bases are disregarded (forced to 0), unless using 
+    // FS or GS, then the base addresses are added
+    return addr + seg->base;
+
+  case LONG_16_COMPAT:
   default:
-    V3_ASSERT(0);
-    return 0;
+    PrintError("Unsupported CPU Mode: %d\n", info->cpu_mode);
+    return -1;
   }
 }
 
@@ -331,7 +356,7 @@ static inline addr_t decode_register(struct v3_gprs * gprs, char reg_code, reg_s
 
 
 
-static inline operand_type_t decode_operands16(struct v3_gprs * gprs, // input/output
+static inline v3_operand_type_t decode_operands16(struct v3_gprs * gprs, // input/output
 					       char * modrm_instr,       // input
 					       int * offset,             // output
 					       addr_t * first_operand,   // output
@@ -341,7 +366,7 @@ static inline operand_type_t decode_operands16(struct v3_gprs * gprs, // input/o
   struct modrm_byte * modrm = (struct modrm_byte *)modrm_instr;
   addr_t base_addr = 0;
   modrm_mode_t mod_mode = 0;
-  operand_type_t addr_type = INVALID_OPERAND;
+  v3_operand_type_t addr_type = INVALID_OPERAND;
   char * instr_cursor = modrm_instr;
 
   //  PrintDebug("ModRM mod=%d\n", modrm->mod);
@@ -420,7 +445,7 @@ static inline operand_type_t decode_operands16(struct v3_gprs * gprs, // input/o
 
 
 
-static inline operand_type_t decode_operands32(struct v3_gprs * gprs, // input/output
+static inline v3_operand_type_t decode_operands32(struct v3_gprs * gprs, // input/output
 					       uchar_t * modrm_instr,       // input
 					       int * offset,             // output
 					       addr_t * first_operand,   // output
@@ -432,7 +457,7 @@ static inline operand_type_t decode_operands32(struct v3_gprs * gprs, // input/o
   addr_t base_addr = 0;
   modrm_mode_t mod_mode = 0;
   uint_t has_sib_byte = 0;
-  operand_type_t addr_type = INVALID_OPERAND;
+  v3_operand_type_t addr_type = INVALID_OPERAND;
 
 
 
@@ -463,7 +488,7 @@ static inline operand_type_t decode_operands32(struct v3_gprs * gprs, // input/o
       base_addr = gprs->rax;
       break;
     case 1:
-      base_addr = gprs->rcx;
+       base_addr = gprs->rcx;
       break;
     case 2:
       base_addr = gprs->rdx;