*** empty log message ***

[palacios.git] / palacios / include / palacios / vmm_emulate.h

diff --git a/palacios/include/palacios/vmm_emulate.h b/palacios/include/palacios/vmm_emulate.h
index ea24d25..d4288a2 100644 (file)
--- a/palacios/include/palacios/vmm_emulate.h
+++ b/palacios/include/palacios/vmm_emulate.h
@@ -6,12 +6,11 @@
 /*
  * This is where we do the hideous X86 instruction parsing among other things
  * We can parse out the instruction prefixes, as well as decode the operands 
-
  */
 
 
-/* JRL: Some of this was taken from the Xen sources... 
- *
+/* 
+ * JRL: Some of this was taken from the Xen sources... 
  */
 
 #define PACKED __attribute__((packed))
@@ -121,17 +120,32 @@ static inline int is_prefix_byte(char byte) {
 }
 
 
+static inline v3_reg_t get_gpr_mask(struct guest_info * info) {
+  switch (info->cpu_mode) {
+  case REAL: 
+    return 0xffff;
+    break;
+  case PROTECTED:
+  case PROTECTED_PG:
+    return 0xffffffff;
+  default:
+    V3_ASSERT(0);
+    return 0;
+  }
+}
+
 
-static inline addr_t get_addr_linear(struct guest_info * info, addr_t addr, addr_t seg_base) {
+static inline addr_t get_addr_linear(struct guest_info * info, addr_t addr, struct v3_segment * seg) {
   switch (info->cpu_mode) {
   case REAL:
-    return addr + (seg_base << 4);
+    return addr + (seg->selector << 4);
     break;
   case PROTECTED:
   case PROTECTED_PG:
-    return addr + seg_base;
+    return addr + seg->base;
     break;
   default:
+    V3_ASSERT(0);
     return 0;
   }
 }
@@ -141,9 +155,9 @@ typedef enum {INVALID_ADDR_TYPE, REG, DISP0, DISP8, DISP16, DISP32} modrm_mode_t
 typedef enum {INVALID_REG_SIZE, REG64, REG32, REG16, REG8} reg_size_t;
 typedef enum {INVALID_OPERAND, REG_OPERAND, MEM_OPERAND} operand_type_t;
 
-struct guest_gprs;
+struct v3_gprs;
 
-static inline addr_t decode_register(struct guest_gprs * gprs, char reg_code, reg_size_t reg_size) {
+static inline addr_t decode_register(struct v3_gprs * gprs, char reg_code, reg_size_t reg_size) {
   addr_t reg_addr;
 
   switch (reg_code) {
@@ -197,7 +211,7 @@ static inline addr_t decode_register(struct guest_gprs * gprs, char reg_code, re
 
 
 
-static inline operand_type_t decode_operands16(struct guest_gprs * gprs, // input/output
+static inline operand_type_t decode_operands16(struct v3_gprs * gprs, // input/output
                                               char * modrm_instr,       // input
                                               int * offset,             // output
                                               addr_t * first_operand,   // output
@@ -286,7 +300,7 @@ static inline operand_type_t decode_operands16(struct guest_gprs * gprs, // inpu
 
 
 
-static inline operand_type_t decode_operands32(struct guest_gprs * gprs, // input/output
+static inline operand_type_t decode_operands32(struct v3_gprs * gprs, // input/output
                                               char * modrm_instr,       // input
                                               int * offset,             // output
                                               addr_t * first_operand,   // output