mirror of
https://github.com/Lime3DS/Lime3DS.git
synced 2024-11-24 02:29:20 +01:00
dyncom: Implemented LDREXD/STREXD/LDREXH/STREXH
This commit is contained in:
bunnei
parent
3b2da87080
commit
dd8a57cb80
@ -136,7 +136,6 @@ const ISEITEM arm_instruction[] = {
|
||||
{ "pkhbt", 2, 6, 20, 27, 0x00000068, 4, 6, 0x00000001 },
|
||||
{ "smul", 3, 4, 20, 27, 0x00000016, 7, 7, 0x00000001, 4, 4, 0x00000000 },
|
||||
{ "smlalxy", 3, 4, 20, 27, 0x00000014, 7, 7, 0x00000001, 4, 4, 0x00000000 },
|
||||
// {"smlal" , 2 , 4 , 21, 27, 0x00000007, 4, 7, 0x00000009},
|
||||
{ "smla", 3, 4, 20, 27, 0x00000010, 7, 7, 0x00000001, 4, 4, 0x00000000 },
|
||||
{ "mcrr", 1, 6, 20, 27, 0x000000c4 },
|
||||
{ "mrrc", 1, 6, 20, 27, 0x000000c5 },
|
||||
@ -194,6 +193,10 @@ const ISEITEM arm_instruction[] = {
|
||||
{ "ldc", 2, 0, 25, 27, 0x00000006, 20, 20, 0x00000001 },
|
||||
{ "swi", 1, 0, 24, 27, 0x0000000f },
|
||||
{ "bbl", 1, 0, 25, 27, 0x00000005 },
|
||||
{ "ldrexd", 2, ARMV6K, 20, 27, 0x0000001B, 4, 7, 0x00000009 },
|
||||
{ "strexd", 2, ARMV6K, 20, 27, 0x0000001A, 4, 7, 0x00000009 },
|
||||
{ "ldrexh", 2, ARMV6K, 20, 27, 0x0000001F, 4, 7, 0x00000009 },
|
||||
{ "strexh", 2, ARMV6K, 20, 27, 0x0000001E, 4, 7, 0x00000009 },
|
||||
};
|
||||
|
||||
const ISEITEM arm_exclusion_code[] = {
|
||||
@ -383,6 +386,11 @@ const ISEITEM arm_exclusion_code[] = {
|
||||
{ "ldc", 0, 0, 0 },
|
||||
{ "swi", 0, 0, 0 },
|
||||
{ "bbl", 0, 0, 0 },
|
||||
{ "ldrexd", 0, ARMV6K, 0 },
|
||||
{ "strexd", 0, ARMV6K, 0 },
|
||||
{ "ldrexh", 0, ARMV6K, 0 },
|
||||
{ "strexh", 0, ARMV6K, 0 },
|
||||
|
||||
{ "bl_1_thumb", 0, INVALID, 0 }, // Should be table[-4]
|
||||
{ "bl_2_thumb", 0, INVALID, 0 }, // Should be located at the end of the table[-3]
|
||||
{ "blx_1_thumb", 0, INVALID, 0 }, // Should be located at table[-2]
|
||||
@ -395,6 +403,7 @@ int decode_arm_instr(uint32_t instr, int32_t *idx) {
|
||||
int ret = DECODE_FAILURE;
|
||||
int i = 0;
|
||||
int instr_slots = sizeof(arm_instruction) / sizeof(ISEITEM);
|
||||
|
||||
for (i = 0; i < instr_slots; i++) {
|
||||
n = arm_instruction[i].attribute_value;
|
||||
base = 0;
|
||||
|
||||
@ -1,153 +1,117 @@
|
||||
/* Copyright (C)
|
||||
* 2012 - Michael.Kang blackfin.kang@gmail.com
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License
|
||||
* as published by the Free Software Foundation; either version 2
|
||||
* of the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*
|
||||
*/
|
||||
// Copyright 2012 Michael Kang, 2015 Citra Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
/**
|
||||
* @file arm_dyncom_dec.h
|
||||
* @brief Some common utility for arm instruction decoder
|
||||
* @author Michael.Kang blackfin.kang@gmail.com
|
||||
* @version 7849
|
||||
* @date 2012-03-15
|
||||
*/
|
||||
#pragma once
|
||||
|
||||
#ifndef __ARM_DYNCOM_DEC__
|
||||
#define __ARM_DYNCOM_DEC__
|
||||
#define BITS(a,b) ((instr >> (a)) & ((1 << (1+(b)-(a)))-1))
|
||||
#define BIT(n) ((instr >> (n)) & 1)
|
||||
#define BAD do { printf("meet BAD at %s, instr is %x\n", __FUNCTION__, instr ); } while(0);
|
||||
#define ptr_N cpu->ptr_N
|
||||
#define ptr_Z cpu->ptr_Z
|
||||
#define ptr_C cpu->ptr_C
|
||||
#define ptr_V cpu->ptr_V
|
||||
#define ptr_I cpu->ptr_I
|
||||
#define ptr_T cpu->ptr_T
|
||||
#define ptr_CPSR cpu->ptr_gpr[16]
|
||||
|
||||
#define BITS(a,b) ((instr >> (a)) & ((1 << (1+(b)-(a)))-1))
|
||||
#define BIT(n) ((instr >> (n)) & 1)
|
||||
#define BAD do{printf("meet BAD at %s, instr is %x\n", __FUNCTION__, instr ); /*exit(0);*/}while(0);
|
||||
#define ptr_N cpu->ptr_N
|
||||
#define ptr_Z cpu->ptr_Z
|
||||
#define ptr_C cpu->ptr_C
|
||||
#define ptr_V cpu->ptr_V
|
||||
#define ptr_I cpu->ptr_I
|
||||
#define ptr_T cpu->ptr_T
|
||||
#define ptr_CPSR cpu->ptr_gpr[16]
|
||||
// For MUL instructions
|
||||
#define RDHi ((instr >> 16) & 0xF)
|
||||
#define RDLo ((instr >> 12) & 0xF)
|
||||
#define MUL_RD ((instr >> 16) & 0xF)
|
||||
#define MUL_RN ((instr >> 12) & 0xF)
|
||||
#define RS ((instr >> 8) & 0xF)
|
||||
#define RD ((instr >> 12) & 0xF)
|
||||
#define RN ((instr >> 16) & 0xF)
|
||||
#define RM (instr & 0xF)
|
||||
|
||||
/* for MUL instructions */
|
||||
/*xxxx xxxx xxxx 1111 xxxx xxxx xxxx xxxx */
|
||||
#define RDHi ((instr >> 16) & 0xF)
|
||||
/*xxxx xxxx xxxx xxxx 1111 xxxx xxxx xxxx */
|
||||
#define RDLo ((instr >> 12) & 0xF)
|
||||
/*xxxx xxxx xxxx 1111 xxxx xxxx xxxx xxxx */
|
||||
#define MUL_RD ((instr >> 16) & 0xF)
|
||||
/*xxxx xxxx xxxx xxxx 1111 xxxx xxxx xxxx */
|
||||
#define MUL_RN ((instr >> 12) & 0xF)
|
||||
/*xxxx xxxx xxxx xxxx xxxx 1111 xxxx xxxx */
|
||||
#define RS ((instr >> 8) & 0xF)
|
||||
// CP15 registers
|
||||
#define OPCODE_1 BITS(21, 23)
|
||||
#define CRn BITS(16, 19)
|
||||
#define CRm BITS(0, 3)
|
||||
#define OPCODE_2 BITS(5, 7)
|
||||
|
||||
/*xxxx xxxx xxxx xxxx 1111 xxxx xxxx xxxx */
|
||||
#define RD ((instr >> 12) & 0xF)
|
||||
/*xxxx xxxx xxxx 1111 xxxx xxxx xxxx xxxx */
|
||||
#define RN ((instr >> 16) & 0xF)
|
||||
/*xxxx xxxx xxxx xxxx xxxx xxxx xxxx 1111 */
|
||||
#define RM (instr & 0xF)
|
||||
#define I BIT(25)
|
||||
#define S BIT(20)
|
||||
|
||||
/* CP15 registers */
|
||||
#define OPCODE_1 BITS(21, 23)
|
||||
#define CRn BITS(16, 19)
|
||||
#define CRm BITS(0, 3)
|
||||
#define OPCODE_2 BITS(5, 7)
|
||||
#define SHIFT BITS(5,6)
|
||||
#define SHIFT_IMM BITS(7,11)
|
||||
#define IMMH BITS(8,11)
|
||||
#define IMML BITS(0,3)
|
||||
|
||||
/*xxxx xx1x xxxx xxxx xxxx xxxx xxxx xxxx */
|
||||
#define I BIT(25)
|
||||
/*xxxx xxxx xxx1 xxxx xxxx xxxx xxxx xxxx */
|
||||
#define S BIT(20)
|
||||
#define LSPBIT BIT(24)
|
||||
#define LSUBIT BIT(23)
|
||||
#define LSBBIT BIT(22)
|
||||
#define LSWBIT BIT(21)
|
||||
#define LSLBIT BIT(20)
|
||||
#define LSSHBITS BITS(5,6)
|
||||
#define OFFSET12 BITS(0,11)
|
||||
#define SBIT BIT(20)
|
||||
#define DESTReg (BITS (12, 15))
|
||||
|
||||
#define SHIFT BITS(5,6)
|
||||
#define SHIFT_IMM BITS(7,11)
|
||||
#define IMMH BITS(8,11)
|
||||
#define IMML BITS(0,3)
|
||||
|
||||
#define LSPBIT BIT(24)
|
||||
#define LSUBIT BIT(23)
|
||||
#define LSBBIT BIT(22)
|
||||
#define LSWBIT BIT(21)
|
||||
#define LSLBIT BIT(20)
|
||||
#define LSSHBITS BITS(5,6)
|
||||
#define OFFSET12 BITS(0,11)
|
||||
#define SBIT BIT(20)
|
||||
#define DESTReg (BITS (12, 15))
|
||||
|
||||
/* they are in unused state, give a corrent value when using */
|
||||
// They are in unused state, give a corrent value when using
|
||||
#define IS_V5E 0
|
||||
#define IS_V5 0
|
||||
#define IS_V6 0
|
||||
#define LHSReg 0
|
||||
|
||||
/* temp define the using the pc reg need implement a flow */
|
||||
#define STORE_CHECK_RD_PC ADD(R(RD), CONST(INSTR_SIZE * 2))
|
||||
// Temp define the using the pc reg need implement a flow
|
||||
#define STORE_CHECK_RD_PC ADD(R(RD), CONST(INSTR_SIZE * 2))
|
||||
|
||||
#define OPERAND operand(cpu,instr,bb,NULL)
|
||||
#define SCO_OPERAND(sco) operand(cpu,instr,bb,sco)
|
||||
#define BOPERAND boperand(instr)
|
||||
#define OPERAND operand(cpu,instr,bb,NULL)
|
||||
#define SCO_OPERAND(sco) operand(cpu,instr,bb,sco)
|
||||
#define BOPERAND boperand(instr)
|
||||
|
||||
#define CHECK_RN_PC (RN==15? ADD(AND(R(RN), CONST(~0x1)), CONST(INSTR_SIZE * 2)):R(RN))
|
||||
#define CHECK_RN_PC_WA (RN==15? ADD(AND(R(RN), CONST(~0x3)), CONST(INSTR_SIZE * 2)):R(RN))
|
||||
#define CHECK_RN_PC (RN == 15 ? ADD(AND(R(RN), CONST(~0x1)), CONST(INSTR_SIZE * 2)) : R(RN))
|
||||
#define CHECK_RN_PC_WA (RN == 15 ? ADD(AND(R(RN), CONST(~0x3)), CONST(INSTR_SIZE * 2)) : R(RN))
|
||||
|
||||
#define GET_USER_MODE() (OR(ICMP_EQ(R(MODE_REG), CONST(USER32MODE)), ICMP_EQ(R(MODE_REG), CONST(SYSTEM32MODE))))
|
||||
#define GET_USER_MODE() (OR(ICMP_EQ(R(MODE_REG), CONST(USER32MODE)), ICMP_EQ(R(MODE_REG), CONST(SYSTEM32MODE))))
|
||||
|
||||
int decode_arm_instr(uint32_t instr, int32_t *idx);
|
||||
|
||||
enum DECODE_STATUS {
|
||||
DECODE_SUCCESS,
|
||||
DECODE_FAILURE
|
||||
DECODE_SUCCESS,
|
||||
DECODE_FAILURE
|
||||
};
|
||||
|
||||
struct instruction_set_encoding_item {
|
||||
const char *name;
|
||||
int attribute_value;
|
||||
int version;
|
||||
u32 content[21];
|
||||
const char *name;
|
||||
int attribute_value;
|
||||
int version;
|
||||
u32 content[21];
|
||||
};
|
||||
|
||||
typedef struct instruction_set_encoding_item ISEITEM;
|
||||
|
||||
#define RECORD_WB(value, flag) {cpu->dyncom_engine->wb_value = value;cpu->dyncom_engine->wb_flag = flag;}
|
||||
#define RECORD_WB(value, flag) { cpu->dyncom_engine->wb_value = value;cpu->dyncom_engine->wb_flag = flag; }
|
||||
#define INIT_WB(wb_value, wb_flag) RECORD_WB(wb_value, wb_flag)
|
||||
|
||||
#define EXECUTE_WB(base_reg) {if(cpu->dyncom_engine->wb_flag) \
|
||||
LET(base_reg, cpu->dyncom_engine->wb_value);}
|
||||
inline int get_reg_count(uint32_t instr){
|
||||
int i = BITS(0,15);
|
||||
int count = 0;
|
||||
while(i){
|
||||
if(i & 1)
|
||||
count ++;
|
||||
i = i >> 1;
|
||||
}
|
||||
return count;
|
||||
#define EXECUTE_WB(base_reg) { if(cpu->dyncom_engine->wb_flag) LET(base_reg, cpu->dyncom_engine->wb_value); }
|
||||
|
||||
inline int get_reg_count(uint32_t instr) {
|
||||
int i = BITS(0, 15);
|
||||
int count = 0;
|
||||
while (i) {
|
||||
if (i & 1)
|
||||
count++;
|
||||
i = i >> 1;
|
||||
}
|
||||
return count;
|
||||
}
|
||||
|
||||
enum ARMVER {
|
||||
INVALID = 0,
|
||||
ARMALL,
|
||||
ARMV4,
|
||||
ARMV4T,
|
||||
ARMV5T,
|
||||
ARMV5TE,
|
||||
ARMV5TEJ,
|
||||
ARMV6,
|
||||
ARM1176JZF_S,
|
||||
ARMVFP2,
|
||||
ARMVFP3
|
||||
INVALID = 0,
|
||||
ARMALL,
|
||||
ARMV4,
|
||||
ARMV4T,
|
||||
ARMV5T,
|
||||
ARMV5TE,
|
||||
ARMV5TEJ,
|
||||
ARMV6,
|
||||
ARM1176JZF_S,
|
||||
ARMVFP2,
|
||||
ARMVFP3,
|
||||
ARMV6K,
|
||||
};
|
||||
|
||||
//extern const INSTRACT arm_instruction_action[];
|
||||
extern const ISEITEM arm_instruction[];
|
||||
|
||||
#endif
|
||||
|
||||
@ -622,9 +622,7 @@ void LdnStM(DecrementAfter)(arm_processor *cpu, unsigned int inst, unsigned int
|
||||
}
|
||||
unsigned int rn = CHECK_READ_REG15_WA(cpu, Rn);
|
||||
unsigned int start_addr = rn - count * 4 + 4;
|
||||
unsigned int end_addr = rn;
|
||||
|
||||
virt_addr = end_addr;
|
||||
virt_addr = start_addr;
|
||||
|
||||
if (CondPassed(cpu, BITS(inst, 28, 31)) && BIT(inst, 21)) {
|
||||
@ -1104,10 +1102,10 @@ typedef struct _blx_1_thumb {
|
||||
}blx_1_thumb;
|
||||
|
||||
typedef struct _pkh_inst {
|
||||
u32 Rm;
|
||||
u32 Rn;
|
||||
u32 Rd;
|
||||
u8 imm;
|
||||
unsigned int Rm;
|
||||
unsigned int Rn;
|
||||
unsigned int Rd;
|
||||
unsigned char imm;
|
||||
} pkh_inst;
|
||||
|
||||
typedef arm_inst * ARM_INST_PTR;
|
||||
@ -1740,40 +1738,31 @@ ARM_INST_PTR INTERPRETER_TRANSLATE(ldrd)(unsigned int inst, int index)
|
||||
|
||||
return inst_base;
|
||||
}
|
||||
|
||||
ARM_INST_PTR INTERPRETER_TRANSLATE(ldrex)(unsigned int inst, int index)
|
||||
{
|
||||
arm_inst *inst_base = (arm_inst *)AllocBuffer(sizeof(arm_inst) + sizeof(ldst_inst));
|
||||
ldst_inst *inst_cream = (ldst_inst *)inst_base->component;
|
||||
arm_inst *inst_base = (arm_inst *)AllocBuffer(sizeof(arm_inst) + sizeof(generic_arm_inst));
|
||||
generic_arm_inst *inst_cream = (generic_arm_inst *)inst_base->component;
|
||||
|
||||
inst_base->cond = BITS(inst, 28, 31);
|
||||
inst_base->idx = index;
|
||||
inst_base->br = NON_BRANCH;
|
||||
inst_base->idx = index;
|
||||
inst_base->br = (BITS(inst, 12, 15) == 15) ? INDIRECT_BRANCH : NON_BRANCH; // Branch if dest is R15
|
||||
|
||||
inst_cream->inst = inst;
|
||||
//inst_cream->get_addr = get_calc_addr_op(inst);
|
||||
inst_cream->Rn = BITS(inst, 16, 19);
|
||||
inst_cream->Rd = BITS(inst, 12, 15);
|
||||
|
||||
if (BITS(inst, 12, 15) == 15) {
|
||||
inst_base->br = INDIRECT_BRANCH;
|
||||
}
|
||||
return inst_base;
|
||||
}
|
||||
ARM_INST_PTR INTERPRETER_TRANSLATE(ldrexb)(unsigned int inst, int index)
|
||||
{
|
||||
arm_inst *inst_base = (arm_inst *)AllocBuffer(sizeof(arm_inst) + sizeof(ldst_inst));
|
||||
ldst_inst *inst_cream = (ldst_inst *)inst_base->component;
|
||||
|
||||
inst_base->cond = BITS(inst, 28, 31);
|
||||
inst_base->idx = index;
|
||||
inst_base->br = NON_BRANCH;
|
||||
|
||||
inst_cream->inst = inst;
|
||||
inst_cream->get_addr = get_calc_addr_op(inst);
|
||||
|
||||
if (BITS(inst, 12, 15) == 15) {
|
||||
inst_base->br = INDIRECT_BRANCH;
|
||||
}
|
||||
return inst_base;
|
||||
return INTERPRETER_TRANSLATE(ldrex)(inst, index);
|
||||
}
|
||||
ARM_INST_PTR INTERPRETER_TRANSLATE(ldrexh)(unsigned int inst, int index)
|
||||
{
|
||||
return INTERPRETER_TRANSLATE(ldrex)(inst, index);
|
||||
}
|
||||
ARM_INST_PTR INTERPRETER_TRANSLATE(ldrexd)(unsigned int inst, int index)
|
||||
{
|
||||
return INTERPRETER_TRANSLATE(ldrex)(inst, index);
|
||||
}
|
||||
ARM_INST_PTR INTERPRETER_TRANSLATE(ldrh)(unsigned int inst, int index)
|
||||
{
|
||||
@ -2623,37 +2612,30 @@ ARM_INST_PTR INTERPRETER_TRANSLATE(strd)(unsigned int inst, int index){
|
||||
}
|
||||
ARM_INST_PTR INTERPRETER_TRANSLATE(strex)(unsigned int inst, int index)
|
||||
{
|
||||
arm_inst *inst_base = (arm_inst *)AllocBuffer(sizeof(arm_inst) + sizeof(ldst_inst));
|
||||
ldst_inst *inst_cream = (ldst_inst *)inst_base->component;
|
||||
arm_inst *inst_base = (arm_inst *)AllocBuffer(sizeof(arm_inst) + sizeof(generic_arm_inst));
|
||||
generic_arm_inst *inst_cream = (generic_arm_inst *)inst_base->component;
|
||||
|
||||
inst_base->cond = BITS(inst, 28, 31);
|
||||
inst_base->idx = index;
|
||||
inst_base->br = NON_BRANCH;
|
||||
inst_base->idx = index;
|
||||
inst_base->br = NON_BRANCH;
|
||||
|
||||
inst_cream->inst = inst;
|
||||
inst_cream->get_addr = get_calc_addr_op(inst);
|
||||
inst_cream->Rn = BITS(inst, 16, 19);
|
||||
inst_cream->Rd = BITS(inst, 12, 15);
|
||||
inst_cream->Rm = BITS(inst, 0, 3);
|
||||
|
||||
if (BITS(inst, 12, 15) == 15) {
|
||||
inst_base->br = INDIRECT_BRANCH;
|
||||
}
|
||||
return inst_base;
|
||||
}
|
||||
ARM_INST_PTR INTERPRETER_TRANSLATE(strexb)(unsigned int inst, int index)
|
||||
{
|
||||
arm_inst *inst_base = (arm_inst *)AllocBuffer(sizeof(arm_inst) + sizeof(ldst_inst));
|
||||
ldst_inst *inst_cream = (ldst_inst *)inst_base->component;
|
||||
|
||||
inst_base->cond = BITS(inst, 28, 31);
|
||||
inst_base->idx = index;
|
||||
inst_base->br = NON_BRANCH;
|
||||
|
||||
inst_cream->inst = inst;
|
||||
inst_cream->get_addr = get_calc_addr_op(inst);
|
||||
|
||||
if (BITS(inst, 12, 15) == 15) {
|
||||
inst_base->br = INDIRECT_BRANCH;
|
||||
}
|
||||
return inst_base;
|
||||
return INTERPRETER_TRANSLATE(strex)(inst, index);
|
||||
}
|
||||
ARM_INST_PTR INTERPRETER_TRANSLATE(strexh)(unsigned int inst, int index)
|
||||
{
|
||||
return INTERPRETER_TRANSLATE(strex)(inst, index);
|
||||
}
|
||||
ARM_INST_PTR INTERPRETER_TRANSLATE(strexd)(unsigned int inst, int index)
|
||||
{
|
||||
return INTERPRETER_TRANSLATE(strex)(inst, index);
|
||||
}
|
||||
ARM_INST_PTR INTERPRETER_TRANSLATE(strh)(unsigned int inst, int index)
|
||||
{
|
||||
@ -3355,6 +3337,11 @@ const transop_fp_t arm_instruction_trans[] = {
|
||||
INTERPRETER_TRANSLATE(ldc),
|
||||
INTERPRETER_TRANSLATE(swi),
|
||||
INTERPRETER_TRANSLATE(bbl),
|
||||
INTERPRETER_TRANSLATE(ldrexd),
|
||||
INTERPRETER_TRANSLATE(strexd),
|
||||
INTERPRETER_TRANSLATE(ldrexh),
|
||||
INTERPRETER_TRANSLATE(strexh),
|
||||
|
||||
// All the thumb instructions should be placed the end of table
|
||||
INTERPRETER_TRANSLATE(b_2_thumb),
|
||||
INTERPRETER_TRANSLATE(b_cond_thumb),
|
||||
@ -3551,6 +3538,7 @@ unsigned InterpreterMainLoop(ARMul_State* state) {
|
||||
#define CRm inst_cream->crm
|
||||
#define CP15_REG(n) cpu->CP15[CP15(n)]
|
||||
#define RD cpu->Reg[inst_cream->Rd]
|
||||
#define RD2 cpu->Reg[inst_cream->Rd + 1]
|
||||
#define RN cpu->Reg[inst_cream->Rn]
|
||||
#define RM cpu->Reg[inst_cream->Rm]
|
||||
#define RS cpu->Reg[inst_cream->Rs]
|
||||
@ -3762,14 +3750,18 @@ unsigned InterpreterMainLoop(ARMul_State* state) {
|
||||
case 182: goto LDC_INST; \
|
||||
case 183: goto SWI_INST; \
|
||||
case 184: goto BBL_INST; \
|
||||
case 185: goto B_2_THUMB ; \
|
||||
case 186: goto B_COND_THUMB ; \
|
||||
case 187: goto BL_1_THUMB ; \
|
||||
case 188: goto BL_2_THUMB ; \
|
||||
case 189: goto BLX_1_THUMB ; \
|
||||
case 190: goto DISPATCH; \
|
||||
case 191: goto INIT_INST_LENGTH; \
|
||||
case 192: goto END; \
|
||||
case 185: goto LDREXD_INST; \
|
||||
case 186: goto STREXD_INST; \
|
||||
case 187: goto LDREXH_INST; \
|
||||
case 188: goto STREXH_INST; \
|
||||
case 189: goto B_2_THUMB ; \
|
||||
case 190: goto B_COND_THUMB ; \
|
||||
case 191: goto BL_1_THUMB ; \
|
||||
case 192: goto BL_2_THUMB ; \
|
||||
case 193: goto BLX_1_THUMB ; \
|
||||
case 194: goto DISPATCH; \
|
||||
case 195: goto INIT_INST_LENGTH; \
|
||||
case 196: goto END; \
|
||||
}
|
||||
#endif
|
||||
|
||||
@ -3830,8 +3822,9 @@ unsigned InterpreterMainLoop(ARMul_State* state) {
|
||||
&&MLA_INST,&&SSAT_INST,&&USAT_INST,&&MRS_INST,&&MSR_INST,&&AND_INST,&&BIC_INST,&&LDM_INST,&&EOR_INST,&&ADD_INST,&&RSB_INST,&&RSC_INST,
|
||||
&&SBC_INST,&&ADC_INST,&&SUB_INST,&&ORR_INST,&&MVN_INST,&&MOV_INST,&&STM_INST,&&LDM_INST,&&LDRSH_INST,&&STM_INST,&&LDM_INST,&&LDRSB_INST,
|
||||
&&STRD_INST,&&LDRH_INST,&&STRH_INST,&&LDRD_INST,&&STRT_INST,&&STRBT_INST,&&LDRBT_INST,&&LDRT_INST,&&MRC_INST,&&MCR_INST,&&MSR_INST,
|
||||
&&LDRB_INST,&&STRB_INST,&&LDR_INST,&&LDRCOND_INST, &&STR_INST,&&CDP_INST,&&STC_INST,&&LDC_INST,&&SWI_INST,&&BBL_INST,&&B_2_THUMB, &&B_COND_THUMB,
|
||||
&&BL_1_THUMB, &&BL_2_THUMB, &&BLX_1_THUMB, &&DISPATCH,&&INIT_INST_LENGTH,&&END
|
||||
&&LDRB_INST,&&STRB_INST,&&LDR_INST,&&LDRCOND_INST, &&STR_INST,&&CDP_INST,&&STC_INST,&&LDC_INST,&&SWI_INST,&&BBL_INST,&&LDREXD_INST,
|
||||
&&STREXD_INST,&&LDREXH_INST,&&STREXH_INST,&&B_2_THUMB, &&B_COND_THUMB,&&BL_1_THUMB, &&BL_2_THUMB, &&BLX_1_THUMB, &&DISPATCH,
|
||||
&&INIT_INST_LENGTH,&&END
|
||||
};
|
||||
#endif
|
||||
arm_inst * inst_base;
|
||||
@ -4432,45 +4425,84 @@ unsigned InterpreterMainLoop(ARMul_State* state) {
|
||||
|
||||
LDREX_INST:
|
||||
{
|
||||
ldst_inst *inst_cream = (ldst_inst *)inst_base->component;
|
||||
generic_arm_inst* inst_cream = (generic_arm_inst*)inst_base->component;
|
||||
if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) {
|
||||
addr = cpu->Reg[BITS(inst_cream->inst, 16, 19)];
|
||||
unsigned int read_addr = RN;
|
||||
|
||||
unsigned int value = Memory::Read32(addr);
|
||||
|
||||
add_exclusive_addr(cpu, addr);
|
||||
add_exclusive_addr(cpu, read_addr);
|
||||
cpu->exclusive_state = 1;
|
||||
|
||||
cpu->Reg[BITS(inst_cream->inst, 12, 15)] = value;
|
||||
if (BITS(inst_cream->inst, 12, 15) == 15) {
|
||||
INC_PC(sizeof(ldst_inst));
|
||||
RD = Memory::Read32(read_addr);
|
||||
if (inst_cream->Rd == 15) {
|
||||
INC_PC(sizeof(generic_arm_inst));
|
||||
goto DISPATCH;
|
||||
}
|
||||
}
|
||||
cpu->Reg[15] += GET_INST_SIZE(cpu);
|
||||
INC_PC(sizeof(ldst_inst));
|
||||
INC_PC(sizeof(generic_arm_inst));
|
||||
FETCH_INST;
|
||||
GOTO_NEXT_INST;
|
||||
}
|
||||
LDREXB_INST:
|
||||
{
|
||||
ldst_inst *inst_cream = (ldst_inst *)inst_base->component;
|
||||
generic_arm_inst* inst_cream = (generic_arm_inst*)inst_base->component;
|
||||
if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) {
|
||||
addr = cpu->Reg[BITS(inst_cream->inst, 16, 19)];
|
||||
unsigned int read_addr = RN;
|
||||
|
||||
unsigned int value = Memory::Read8(addr);
|
||||
|
||||
add_exclusive_addr(cpu, addr);
|
||||
add_exclusive_addr(cpu, read_addr);
|
||||
cpu->exclusive_state = 1;
|
||||
|
||||
cpu->Reg[BITS(inst_cream->inst, 12, 15)] = value;
|
||||
if (BITS(inst_cream->inst, 12, 15) == 15) {
|
||||
INC_PC(sizeof(ldst_inst));
|
||||
RD = Memory::Read8(read_addr);
|
||||
if (inst_cream->Rd == 15) {
|
||||
INC_PC(sizeof(generic_arm_inst));
|
||||
goto DISPATCH;
|
||||
}
|
||||
}
|
||||
cpu->Reg[15] += GET_INST_SIZE(cpu);
|
||||
INC_PC(sizeof(ldst_inst));
|
||||
INC_PC(sizeof(generic_arm_inst));
|
||||
FETCH_INST;
|
||||
GOTO_NEXT_INST;
|
||||
}
|
||||
LDREXH_INST:
|
||||
{
|
||||
generic_arm_inst* inst_cream = (generic_arm_inst*)inst_base->component;
|
||||
if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) {
|
||||
unsigned int read_addr = RN;
|
||||
|
||||
add_exclusive_addr(cpu, read_addr);
|
||||
cpu->exclusive_state = 1;
|
||||
|
||||
RD = Memory::Read16(read_addr);
|
||||
if (inst_cream->Rd == 15) {
|
||||
INC_PC(sizeof(generic_arm_inst));
|
||||
goto DISPATCH;
|
||||
}
|
||||
}
|
||||
cpu->Reg[15] += GET_INST_SIZE(cpu);
|
||||
INC_PC(sizeof(generic_arm_inst));
|
||||
FETCH_INST;
|
||||
GOTO_NEXT_INST;
|
||||
}
|
||||
LDREXD_INST:
|
||||
{
|
||||
generic_arm_inst* inst_cream = (generic_arm_inst*)inst_base->component;
|
||||
if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) {
|
||||
unsigned int read_addr = RN;
|
||||
|
||||
add_exclusive_addr(cpu, read_addr);
|
||||
cpu->exclusive_state = 1;
|
||||
// TODO(bunnei): Do we need to also make [read_addr + 4] exclusive?
|
||||
|
||||
RD = Memory::Read32(read_addr);
|
||||
RD2 = Memory::Read32(read_addr + 4);
|
||||
|
||||
if (inst_cream->Rd == 15) {
|
||||
INC_PC(sizeof(generic_arm_inst));
|
||||
goto DISPATCH;
|
||||
}
|
||||
}
|
||||
cpu->Reg[15] += GET_INST_SIZE(cpu);
|
||||
INC_PC(sizeof(generic_arm_inst));
|
||||
FETCH_INST;
|
||||
GOTO_NEXT_INST;
|
||||
}
|
||||
@ -5762,46 +5794,96 @@ unsigned InterpreterMainLoop(ARMul_State* state) {
|
||||
}
|
||||
STREX_INST:
|
||||
{
|
||||
ldst_inst *inst_cream = (ldst_inst *)inst_base->component;
|
||||
if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) {
|
||||
addr = cpu->Reg[BITS(inst_cream->inst, 16, 19)];
|
||||
unsigned int value = cpu->Reg[BITS(inst_cream->inst, 0, 3)];
|
||||
generic_arm_inst* inst_cream = (generic_arm_inst*)inst_base->component;
|
||||
|
||||
int dest_reg = BITS(inst_cream->inst, 12, 15);
|
||||
if((exclusive_detect(cpu, addr) == 0) && (cpu->exclusive_state == 1)){
|
||||
remove_exclusive(cpu, addr);
|
||||
cpu->Reg[dest_reg] = 0;
|
||||
if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) {
|
||||
unsigned int write_addr = cpu->Reg[inst_cream->Rn];
|
||||
|
||||
if ((exclusive_detect(cpu, write_addr) == 0) && (cpu->exclusive_state == 1)) {
|
||||
remove_exclusive(cpu, write_addr);
|
||||
cpu->exclusive_state = 0;
|
||||
|
||||
Memory::Write32(addr, value);
|
||||
Memory::Write32(write_addr, cpu->Reg[inst_cream->Rm]);
|
||||
RD = 0;
|
||||
} else {
|
||||
// Failed to write due to mutex access
|
||||
cpu->Reg[dest_reg] = 1;
|
||||
RD = 1;
|
||||
}
|
||||
}
|
||||
cpu->Reg[15] += GET_INST_SIZE(cpu);
|
||||
INC_PC(sizeof(ldst_inst));
|
||||
INC_PC(sizeof(generic_arm_inst));
|
||||
FETCH_INST;
|
||||
GOTO_NEXT_INST;
|
||||
}
|
||||
STREXB_INST:
|
||||
{
|
||||
ldst_inst *inst_cream = (ldst_inst *)inst_base->component;
|
||||
generic_arm_inst* inst_cream = (generic_arm_inst*)inst_base->component;
|
||||
|
||||
if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) {
|
||||
addr = cpu->Reg[BITS(inst_cream->inst, 16, 19)];
|
||||
unsigned int value = cpu->Reg[BITS(inst_cream->inst, 0, 3)] & 0xff;
|
||||
int dest_reg = BITS(inst_cream->inst, 12, 15);
|
||||
if((exclusive_detect(cpu, addr) == 0) && (cpu->exclusive_state == 1)){
|
||||
remove_exclusive(cpu, addr);
|
||||
cpu->Reg[dest_reg] = 0;
|
||||
unsigned int write_addr = cpu->Reg[inst_cream->Rn];
|
||||
|
||||
if ((exclusive_detect(cpu, write_addr) == 0) && (cpu->exclusive_state == 1)) {
|
||||
remove_exclusive(cpu, write_addr);
|
||||
cpu->exclusive_state = 0;
|
||||
Memory::Write8(addr, value);
|
||||
|
||||
Memory::Write8(write_addr, cpu->Reg[inst_cream->Rm]);
|
||||
RD = 0;
|
||||
} else {
|
||||
cpu->Reg[dest_reg] = 1;
|
||||
// Failed to write due to mutex access
|
||||
RD = 1;
|
||||
}
|
||||
}
|
||||
cpu->Reg[15] += GET_INST_SIZE(cpu);
|
||||
INC_PC(sizeof(ldst_inst));
|
||||
INC_PC(sizeof(generic_arm_inst));
|
||||
FETCH_INST;
|
||||
GOTO_NEXT_INST;
|
||||
}
|
||||
STREXD_INST:
|
||||
{
|
||||
generic_arm_inst* inst_cream = (generic_arm_inst*)inst_base->component;
|
||||
|
||||
if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) {
|
||||
unsigned int write_addr = cpu->Reg[inst_cream->Rn];
|
||||
|
||||
if ((exclusive_detect(cpu, write_addr) == 0) && (cpu->exclusive_state == 1)) {
|
||||
remove_exclusive(cpu, write_addr);
|
||||
cpu->exclusive_state = 0;
|
||||
// TODO(bunnei): Remove exclusive from [write_addr + 4] if we implement this in LDREXD
|
||||
|
||||
Memory::Write32(write_addr, cpu->Reg[inst_cream->Rm]);
|
||||
Memory::Write32(write_addr + 4, cpu->Reg[inst_cream->Rm + 1]);
|
||||
RD = 0;
|
||||
}
|
||||
else {
|
||||
// Failed to write due to mutex access
|
||||
RD = 1;
|
||||
}
|
||||
}
|
||||
cpu->Reg[15] += GET_INST_SIZE(cpu);
|
||||
INC_PC(sizeof(generic_arm_inst));
|
||||
FETCH_INST;
|
||||
GOTO_NEXT_INST;
|
||||
}
|
||||
STREXH_INST:
|
||||
{
|
||||
generic_arm_inst* inst_cream = (generic_arm_inst*)inst_base->component;
|
||||
|
||||
if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) {
|
||||
unsigned int write_addr = cpu->Reg[inst_cream->Rn];
|
||||
|
||||
if ((exclusive_detect(cpu, write_addr) == 0) && (cpu->exclusive_state == 1)) {
|
||||
remove_exclusive(cpu, write_addr);
|
||||
cpu->exclusive_state = 0;
|
||||
|
||||
Memory::Write16(write_addr, cpu->Reg[inst_cream->Rm]);
|
||||
RD = 0;
|
||||
} else {
|
||||
// Failed to write due to mutex access
|
||||
RD = 1;
|
||||
}
|
||||
}
|
||||
cpu->Reg[15] += GET_INST_SIZE(cpu);
|
||||
INC_PC(sizeof(generic_arm_inst));
|
||||
FETCH_INST;
|
||||
GOTO_NEXT_INST;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user