X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_v3dec.c;h=b862f96c49ed7e0cabe9fc509592d25fa98d9136;hb=88b5b2e56e64f1d7f93d6fd225afa8d572387f9c;hp=50bba3064661e15d490f8936fe1a9613c008d833;hpb=603e4c1a451138080ded3d4e3cd3b8716741db89;p=palacios.releases.git diff --git a/palacios/src/palacios/vmm_v3dec.c b/palacios/src/palacios/vmm_v3dec.c index 50bba30..b862f96 100644 --- a/palacios/src/palacios/vmm_v3dec.c +++ b/palacios/src/palacios/vmm_v3dec.c @@ -20,7 +20,7 @@ #include #include -#ifndef CONFIG_DEBUG_DECODER +#ifndef V3_CONFIG_DEBUG_DECODER #undef PrintDebug #define PrintDebug(fmt, args...) #endif @@ -75,7 +75,7 @@ int v3_decode(struct guest_info * core, addr_t instr_ptr, struct x86_instr * ins int length = 0; - V3_Print("Decoding Instruction at %p\n", (void *)instr_ptr); + PrintDebug("Decoding Instruction at %p\n", (void *)instr_ptr); memset(instr, 0, sizeof(struct x86_instr)); @@ -102,7 +102,7 @@ int v3_decode(struct guest_info * core, addr_t instr_ptr, struct x86_instr * ins form = op_code_to_form((uint8_t *)(instr_ptr + length), &length); - V3_Print("\t decoded as (%s)\n", op_form_to_str(form)); + PrintDebug("\t decoded as (%s)\n", op_form_to_str(form)); if (form == INVALID_INSTR) { PrintError("Could not find instruction form (%x)\n", *(uint32_t *)(instr_ptr + length)); @@ -121,7 +121,9 @@ int v3_decode(struct guest_info * core, addr_t instr_ptr, struct x86_instr * ins instr->instr_length += length; +#ifdef V3_CONFIG_DEBUG_DECODER v3_print_instr(instr); +#endif return 0; } @@ -444,23 +446,40 @@ static int parse_operands(struct guest_info * core, uint8_t * instr_ptr, } case INVLPG: { uint8_t reg_code = 0; - + ret = decode_rm_operand(core, instr_ptr, form, instr, &(instr->dst_operand), ®_code); - + if (ret == -1) { PrintError("Error decoding operand for (%s)\n", op_form_to_str(form)); return -1; } - + instr_ptr += ret; - + + instr->num_operands = 1; + break; + } + case LMSW: + case SMSW: { + uint8_t reg_code = 0; + + ret = decode_rm_operand(core, instr_ptr, form, instr, &(instr->dst_operand), ®_code); + + if (ret == -1) { + PrintError("Error decoding operand for (%s)\n", op_form_to_str(form)); + return -1; + } + + instr_ptr += ret; + + instr->dst_operand.read = 1; + instr->num_operands = 1; break; } case CLTS: { // no operands. break; - } default: PrintError("Invalid Instruction form: %s\n", op_form_to_str(form)); @@ -482,16 +501,14 @@ static v3_op_type_t op_form_to_type(op_form_t form) { case INVLPG: return V3_OP_INVLPG; + case INT: + return V3_OP_INT; + case MOV_CR2: return V3_OP_MOVCR2; case MOV_2CR: return V3_OP_MOV2CR; - // KCH: for syscall interposition - case INT: - return V3_OP_INT; - - case MOV_MEM2_8: case MOV_MEM2: case MOV_2MEM_8: @@ -517,7 +534,6 @@ static v3_op_type_t op_form_to_type(op_form_t form) { return V3_OP_MOVZX; - case ADC_2MEM_8: case ADC_2MEM: case ADC_MEM2_8: