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arm_dyncom_interpreter: slightly change AllocBuffer to be intuitive

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archshift 2016-06-10 18:50:47 -07:00
parent 765eef3319
commit 54b5178f6c
1 changed files with 15 additions and 15 deletions
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30
src/core/arm/dyncom/arm_dyncom_interpreter.cpp
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@ -7,6 +7,7 @@
#include <algorithm> #include <algorithm>
#include <cstdio> #include <cstdio>
#include "common/assert.h"
#include "common/common_types.h" #include "common/common_types.h"
#include "common/logging/log.h" #include "common/logging/log.h"
#include "common/microprofile.h" #include "common/microprofile.h"
@ -672,19 +673,18 @@ static void LnSWoUB(ScaledRegisterOffset)(ARMul_State* cpu, unsigned int inst, u
typedef arm_inst * ARM_INST_PTR; typedef arm_inst * ARM_INST_PTR;
#define CACHE_BUFFER_SIZE (64 * 1024 * 2000) #define TRANS_CACHE_SIZE (64 * 1024 * 2000)
static char inst_buf[CACHE_BUFFER_SIZE]; static char trans_cache_buf[TRANS_CACHE_SIZE];
static int top = 0; static size_t trans_cache_buf_top = 0;
static inline void *AllocBuffer(unsigned int size) {
int start = top; static void* AllocBuffer(size_t size) {
top += size; size_t start = trans_cache_buf_top;
if (top > CACHE_BUFFER_SIZE) { trans_cache_buf_top += size;
LOG_ERROR(Core_ARM11, "inst_buf is full"); ASSERT_MSG(trans_cache_buf_top <= TRANS_CACHE_SIZE, "Translation cache is full!");
CITRA_IGNORE_EXIT(-1); return static_cast<void*>(&trans_cache_buf[start]);
}
return (void *)&inst_buf[start];
} }
static shtop_fp_t GetShifterOp(unsigned int inst) { static shtop_fp_t GetShifterOp(unsigned int inst) {
if (BIT(inst, 25)) { if (BIT(inst, 25)) {
return DPO(Immediate); return DPO(Immediate);
@ -870,7 +870,7 @@ static int InterpreterTranslateBlock(ARMul_State* cpu, int& bb_start, u32 addr)
ARM_INST_PTR inst_base = nullptr; ARM_INST_PTR inst_base = nullptr;
TransExtData ret = TransExtData::NON_BRANCH; TransExtData ret = TransExtData::NON_BRANCH;
int size = 0; // instruction size of basic block int size = 0; // instruction size of basic block
bb_start = top; bb_start = trans_cache_buf_top;
u32 phys_addr = addr; u32 phys_addr = addr;
u32 pc_start = cpu->Reg[15]; u32 pc_start = cpu->Reg[15];
@ -897,7 +897,7 @@ static int InterpreterTranslateSingle(ARMul_State* cpu, int& bb_start, u32 addr)
MICROPROFILE_SCOPE(DynCom_Decode); MICROPROFILE_SCOPE(DynCom_Decode);
ARM_INST_PTR inst_base = nullptr; ARM_INST_PTR inst_base = nullptr;
bb_start = top; bb_start = trans_cache_buf_top;
u32 phys_addr = addr; u32 phys_addr = addr;
u32 pc_start = cpu->Reg[15]; u32 pc_start = cpu->Reg[15];
@ -951,7 +951,7 @@ unsigned InterpreterMainLoop(ARMul_State* cpu) {
#define SHIFTER_OPERAND inst_cream->shtop_func(cpu, inst_cream->shifter_operand) #define SHIFTER_OPERAND inst_cream->shtop_func(cpu, inst_cream->shifter_operand)
#define FETCH_INST if (inst_base->br != TransExtData::NON_BRANCH) goto DISPATCH; \ #define FETCH_INST if (inst_base->br != TransExtData::NON_BRANCH) goto DISPATCH; \
inst_base = (arm_inst *)&inst_buf[ptr] inst_base = (arm_inst *)&trans_cache_buf[ptr]
#define INC_PC(l) ptr += sizeof(arm_inst) + l #define INC_PC(l) ptr += sizeof(arm_inst) + l
#define INC_PC_STUB ptr += sizeof(arm_inst) #define INC_PC_STUB ptr += sizeof(arm_inst)
@ -1274,7 +1274,7 @@ unsigned InterpreterMainLoop(ARMul_State* cpu) {
breakpoint_data = GDBStub::GetNextBreakpointFromAddress(cpu->Reg[15], GDBStub::BreakpointType::Execute); breakpoint_data = GDBStub::GetNextBreakpointFromAddress(cpu->Reg[15], GDBStub::BreakpointType::Execute);
} }
inst_base = (arm_inst *)&inst_buf[ptr]; inst_base = (arm_inst *)&trans_cache_buf[ptr];
GOTO_NEXT_INST; GOTO_NEXT_INST;
} }
ADC_INST: ADC_INST: