summaryrefslogtreecommitdiffstats
path: root/src/core
diff options
context:
space:
mode:
authorbunnei <ericbunnie@gmail.com>2014-04-09 02:38:33 +0200
committerbunnei <ericbunnie@gmail.com>2014-04-09 02:38:33 +0200
commitd0674cc98bfa5729168274cde62a4e69343f8524 (patch)
tree78f40a0cf1afa17bbd3aac9e19e33557ea7444da /src/core
parentfixed license headers in citra project (diff)
downloadyuzu-d0674cc98bfa5729168274cde62a4e69343f8524.tar
yuzu-d0674cc98bfa5729168274cde62a4e69343f8524.tar.gz
yuzu-d0674cc98bfa5729168274cde62a4e69343f8524.tar.bz2
yuzu-d0674cc98bfa5729168274cde62a4e69343f8524.tar.lz
yuzu-d0674cc98bfa5729168274cde62a4e69343f8524.tar.xz
yuzu-d0674cc98bfa5729168274cde62a4e69343f8524.tar.zst
yuzu-d0674cc98bfa5729168274cde62a4e69343f8524.zip
Diffstat (limited to 'src/core')
-rw-r--r--src/core/arm/arm_interface.h20
-rw-r--r--src/core/arm/interpreter/arm_interpreter.cpp93
-rw-r--r--src/core/arm/interpreter/arm_interpreter.h38
3 files changed, 57 insertions, 94 deletions
diff --git a/src/core/arm/arm_interface.h b/src/core/arm/arm_interface.h
index e5df2d971..dafde8368 100644
--- a/src/core/arm/arm_interface.h
+++ b/src/core/arm/arm_interface.h
@@ -11,7 +11,7 @@
class ARM_Interface {
public:
ARM_Interface() {
- num_instructions_ = 0;
+ m_num_instructions = 0;
}
~ARM_Interface() {
@@ -20,7 +20,7 @@ public:
/// Step CPU by one instruction
void Step() {
ExecuteInstruction();
- num_instructions_++;
+ m_num_instructions++;
}
/**
@@ -33,36 +33,38 @@ public:
* Get the current Program Counter
* @return Returns current PC
*/
- virtual u32 PC() = 0;
+ virtual u32 GetPC() const = 0;
/**
* Get an ARM register
* @param index Register index (0-15)
* @return Returns the value in the register
*/
- virtual u32 Reg(int index) = 0;
+ virtual u32 GetReg(int index) const = 0;
/**
* Get the current CPSR register
* @return Returns the value of the CPSR register
*/
- virtual u32 CPSR() = 0;
+ virtual u32 GetCPSR() const = 0;
/**
* Returns the number of clock ticks since the last rese
* @return Returns number of clock ticks
*/
- virtual u64 GetTicks() = 0;
+ virtual u64 GetTicks() const = 0;
- /// Getter for num_instructions_
- u64 num_instructions() { return num_instructions_; }
+ /// Getter for m_num_instructions
+ u64 GetNumInstructions() {
+ return m_num_instructions;
+ }
private:
/// Execture next instruction
virtual void ExecuteInstruction() = 0;
- u64 num_instructions_; ///< Number of instructions executed
+ u64 m_num_instructions; ///< Number of instructions executed
DISALLOW_COPY_AND_ASSIGN(ARM_Interface);
};
diff --git a/src/core/arm/interpreter/arm_interpreter.cpp b/src/core/arm/interpreter/arm_interpreter.cpp
index a74aa26cc..81f38f016 100644
--- a/src/core/arm/interpreter/arm_interpreter.cpp
+++ b/src/core/arm/interpreter/arm_interpreter.cpp
@@ -1,26 +1,6 @@
-/**
- * Copyright (C) 2013 Citrus Emulator
- *
- * @file arm_interpreter.h
- * @author bunnei
- * @date 2014-04-04
- * @brief ARM interface instance for SkyEye interprerer
- *
- * @section LICENSE
- * 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 at
- * http://www.gnu.org/copyleft/gpl.html
- *
- * Official project repository can be found at:
- * http://code.google.com/p/gekko-gc-emu/
- */
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
#include "arm_interpreter.h"
@@ -29,58 +9,61 @@ const static cpu_config_t s_arm11_cpu_info = {
};
ARM_Interpreter::ARM_Interpreter() {
-
- state = new ARMul_State;
+ m_state = new ARMul_State;
ARMul_EmulateInit();
- ARMul_NewState(state);
+ ARMul_NewState(m_state);
- state->abort_model = 0;
- state->cpu = (cpu_config_t*)&s_arm11_cpu_info;
- state->bigendSig = LOW;
+ m_state->abort_model = 0;
+ m_state->cpu = (cpu_config_t*)&s_arm11_cpu_info;
+ m_state->bigendSig = LOW;
- ARMul_SelectProcessor(state, ARM_v6_Prop | ARM_v5_Prop | ARM_v5e_Prop);
- state->lateabtSig = LOW;
- mmu_init(state);
+ ARMul_SelectProcessor(m_state, ARM_v6_Prop | ARM_v5_Prop | ARM_v5e_Prop);
+ m_state->lateabtSig = LOW;
+ mmu_init(m_state);
// Reset the core to initial state
- ARMul_Reset(state);
- state->NextInstr = 0;
- state->Emulate = 3;
+ ARMul_Reset(m_state);
+ m_state->NextInstr = 0;
+ m_state->Emulate = 3;
- state->pc = state->Reg[15] = 0x00000000;
- state->Reg[13] = 0x10000000; // Set stack pointer to the top of the stack
+ m_state->pc = m_state->Reg[15] = 0x00000000;
+ m_state->Reg[13] = 0x10000000; // Set stack pointer to the top of the stack
}
void ARM_Interpreter::SetPC(u32 pc) {
- state->pc = state->Reg[15] = pc;
+ m_state->pc = m_state->Reg[15] = pc;
+}
+
+u32 ARM_Interpreter::GetPC() const {
+ return m_state->pc;
}
-u32 ARM_Interpreter::PC() {
- return state->pc;
+u32 ARM_Interpreter::GetReg(int index) const {
+ return m_state->Reg[index];
}
-u32 ARM_Interpreter::Reg(int index){
- return state->Reg[index];
+u32 ARM_Interpreter::GetCPSR() const {
+ return m_state->Cpsr;
}
-u32 ARM_Interpreter::CPSR() {
- return state->Cpsr;
+u64 ARM_Interpreter::GetTicks() const {
+ return ARMul_Time(m_state);
}
ARM_Interpreter::~ARM_Interpreter() {
- delete state;
+ delete m_state;
}
void ARM_Interpreter::ExecuteInstruction() {
- state->step++;
- state->cycle++;
- state->EndCondition = 0;
- state->stop_simulator = 0;
- state->NextInstr = RESUME;
- state->last_pc = state->Reg[15];
- state->Reg[15] = ARMul_DoInstr(state);
- state->Cpsr = ((state->Cpsr & 0x0fffffdf) | (state->NFlag << 31) | (state->ZFlag << 30) |
- (state->CFlag << 29) | (state->VFlag << 28) | (state->TFlag << 5));
- FLUSHPIPE;
+ m_state->step++;
+ m_state->cycle++;
+ m_state->EndCondition = 0;
+ m_state->stop_simulator = 0;
+ m_state->NextInstr = RESUME;
+ m_state->last_pc = m_state->Reg[15];
+ m_state->Reg[15] = ARMul_DoInstr(m_state);
+ m_state->Cpsr = ((m_state->Cpsr & 0x0fffffdf) | (m_state->NFlag << 31) | (m_state->ZFlag << 30) |
+ (m_state->CFlag << 29) | (m_state->VFlag << 28) | (m_state->TFlag << 5));
+ m_state->NextInstr |= PRIMEPIPE; // Flush pipe
}
diff --git a/src/core/arm/interpreter/arm_interpreter.h b/src/core/arm/interpreter/arm_interpreter.h
index 03b781c6d..932046d9a 100644
--- a/src/core/arm/interpreter/arm_interpreter.h
+++ b/src/core/arm/interpreter/arm_interpreter.h
@@ -1,26 +1,6 @@
-/**
-* Copyright (C) 2013 Citrus Emulator
-*
-* @file arm_interpreter.h
-* @author bunnei
-* @date 2014-04-04
-* @brief ARM interface instance for SkyEye interprerer
-*
-* @section LICENSE
-* 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 at
-* http://www.gnu.org/copyleft/gpl.html
-*
-* Official project repository can be found at:
-* http://code.google.com/p/gekko-gc-emu/
-*/
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
#pragma once
@@ -39,18 +19,16 @@ public:
void SetPC(u32 pc);
- u32 PC();
+ u32 GetPC() const;
- u32 Reg(int index);
+ u32 GetReg(int index) const;
- u32 CPSR();
+ u32 GetCPSR() const;
- u64 GetTicks() {
- return ARMul_Time(state);
- }
+ u64 GetTicks() const;
private:
- ARMul_State* state;
+ ARMul_State* m_state;
DISALLOW_COPY_AND_ASSIGN(ARM_Interpreter);
};