mirror of
https://git.suyu.dev/suyu/suyu.git
synced 2024-11-23 15:22:45 +01:00
dyncom: Move helper functions to their own header
This commit is contained in:
parent
6b73e4566b
commit
0191c26521
10 changed files with 57 additions and 41 deletions
|
@ -134,6 +134,7 @@ set(HEADERS
|
||||||
arm/skyeye_common/arm_regformat.h
|
arm/skyeye_common/arm_regformat.h
|
||||||
arm/skyeye_common/armdefs.h
|
arm/skyeye_common/armdefs.h
|
||||||
arm/skyeye_common/armmmu.h
|
arm/skyeye_common/armmmu.h
|
||||||
|
arm/skyeye_common/armsupp.h
|
||||||
arm/skyeye_common/vfp/asm_vfp.h
|
arm/skyeye_common/vfp/asm_vfp.h
|
||||||
arm/skyeye_common/vfp/vfp.h
|
arm/skyeye_common/vfp/vfp.h
|
||||||
arm/skyeye_common/vfp/vfp_helper.h
|
arm/skyeye_common/vfp/vfp_helper.h
|
||||||
|
|
|
@ -7,6 +7,7 @@
|
||||||
#include "common/make_unique.h"
|
#include "common/make_unique.h"
|
||||||
|
|
||||||
#include "core/arm/skyeye_common/armdefs.h"
|
#include "core/arm/skyeye_common/armdefs.h"
|
||||||
|
#include "core/arm/skyeye_common/armsupp.h"
|
||||||
#include "core/arm/skyeye_common/vfp/vfp.h"
|
#include "core/arm/skyeye_common/vfp/vfp.h"
|
||||||
|
|
||||||
#include "core/arm/dyncom/arm_dyncom.h"
|
#include "core/arm/dyncom/arm_dyncom.h"
|
||||||
|
|
|
@ -2,8 +2,8 @@
|
||||||
// Licensed under GPLv2 or any later version
|
// Licensed under GPLv2 or any later version
|
||||||
// Refer to the license.txt file included.
|
// Refer to the license.txt file included.
|
||||||
|
|
||||||
#include "core/arm/skyeye_common/armdefs.h"
|
|
||||||
#include "core/arm/dyncom/arm_dyncom_dec.h"
|
#include "core/arm/dyncom/arm_dyncom_dec.h"
|
||||||
|
#include "core/arm/skyeye_common/armsupp.h"
|
||||||
|
|
||||||
const ISEITEM arm_instruction[] = {
|
const ISEITEM arm_instruction[] = {
|
||||||
{ "vmla", 4, ARMVFP2, { 23, 27, 0x1C, 20, 21, 0x0, 9, 11, 0x5, 4, 4, 0 }},
|
{ "vmla", 4, ARMVFP2, { 23, 27, 0x1C, 20, 21, 0x0, 9, 11, 0x5, 4, 4, 0 }},
|
||||||
|
@ -414,7 +414,7 @@ const ISEITEM arm_exclusion_code[] = {
|
||||||
{ "invalid", 0, INVALID, { 0 }}
|
{ "invalid", 0, INVALID, { 0 }}
|
||||||
};
|
};
|
||||||
|
|
||||||
int decode_arm_instr(uint32_t instr, int32_t *idx) {
|
int decode_arm_instr(u32 instr, s32* idx) {
|
||||||
int n = 0;
|
int n = 0;
|
||||||
int base = 0;
|
int base = 0;
|
||||||
int ret = DECODE_FAILURE;
|
int ret = DECODE_FAILURE;
|
||||||
|
|
|
@ -4,7 +4,9 @@
|
||||||
|
|
||||||
#pragma once
|
#pragma once
|
||||||
|
|
||||||
int decode_arm_instr(uint32_t instr, int32_t *idx);
|
#include "common/common_types.h"
|
||||||
|
|
||||||
|
int decode_arm_instr(u32 instr, s32* idx);
|
||||||
|
|
||||||
enum DECODE_STATUS {
|
enum DECODE_STATUS {
|
||||||
DECODE_SUCCESS,
|
DECODE_SUCCESS,
|
||||||
|
|
|
@ -19,6 +19,7 @@
|
||||||
#include "core/arm/dyncom/arm_dyncom_run.h"
|
#include "core/arm/dyncom/arm_dyncom_run.h"
|
||||||
#include "core/arm/skyeye_common/armdefs.h"
|
#include "core/arm/skyeye_common/armdefs.h"
|
||||||
#include "core/arm/skyeye_common/armmmu.h"
|
#include "core/arm/skyeye_common/armmmu.h"
|
||||||
|
#include "core/arm/skyeye_common/armsupp.h"
|
||||||
#include "core/arm/skyeye_common/vfp/vfp.h"
|
#include "core/arm/skyeye_common/vfp/vfp.h"
|
||||||
|
|
||||||
Common::Profiling::TimingCategory profile_execute("DynCom::Execute");
|
Common::Profiling::TimingCategory profile_execute("DynCom::Execute");
|
||||||
|
|
|
@ -6,6 +6,7 @@
|
||||||
// ARM instruction, and using the existing ARM simulator.
|
// ARM instruction, and using the existing ARM simulator.
|
||||||
|
|
||||||
#include "core/arm/dyncom/arm_dyncom_thumb.h"
|
#include "core/arm/dyncom/arm_dyncom_thumb.h"
|
||||||
|
#include "core/arm/skyeye_common/armsupp.h"
|
||||||
|
|
||||||
// Decode a 16bit Thumb instruction. The instruction is in the low 16-bits of the tinstr field,
|
// Decode a 16bit Thumb instruction. The instruction is in the low 16-bits of the tinstr field,
|
||||||
// with the following Thumb instruction held in the high 16-bits. Passing in two Thumb instructions
|
// with the following Thumb instruction held in the high 16-bits. Passing in two Thumb instructions
|
||||||
|
|
|
@ -22,9 +22,6 @@
|
||||||
#include "common/common_types.h"
|
#include "common/common_types.h"
|
||||||
#include "core/arm/skyeye_common/arm_regformat.h"
|
#include "core/arm/skyeye_common/arm_regformat.h"
|
||||||
|
|
||||||
#define BITS(s, a, b) ((s << ((sizeof(s) * 8 - 1) - b)) >> (sizeof(s) * 8 - b + a - 1))
|
|
||||||
#define BIT(s, n) ((s >> (n)) & 1)
|
|
||||||
|
|
||||||
// Signal levels
|
// Signal levels
|
||||||
enum {
|
enum {
|
||||||
LOW = 0,
|
LOW = 0,
|
||||||
|
@ -47,9 +44,6 @@ enum {
|
||||||
ABORT_BASE_UPDATED = 2
|
ABORT_BASE_UPDATED = 2
|
||||||
};
|
};
|
||||||
|
|
||||||
#define POS(i) ( (~(i)) >> 31 )
|
|
||||||
#define NEG(i) ( (i) >> 31 )
|
|
||||||
|
|
||||||
typedef u64 ARMdword; // must be 64 bits wide
|
typedef u64 ARMdword; // must be 64 bits wide
|
||||||
typedef u32 ARMword; // must be 32 bits wide
|
typedef u32 ARMword; // must be 32 bits wide
|
||||||
typedef u16 ARMhword; // must be 16 bits wide
|
typedef u16 ARMhword; // must be 16 bits wide
|
||||||
|
@ -288,31 +282,3 @@ enum {
|
||||||
ONCE = 2, // Execute just one iteration
|
ONCE = 2, // Execute just one iteration
|
||||||
RUN = 3 // Continuous execution
|
RUN = 3 // Continuous execution
|
||||||
};
|
};
|
||||||
|
|
||||||
|
|
||||||
bool AddOverflow(ARMword, ARMword, ARMword);
|
|
||||||
bool SubOverflow(ARMword, ARMword, ARMword);
|
|
||||||
|
|
||||||
void ARMul_SelectProcessor(ARMul_State*, unsigned);
|
|
||||||
|
|
||||||
u32 AddWithCarry(u32, u32, u32, bool*, bool*);
|
|
||||||
bool ARMul_AddOverflowQ(ARMword, ARMword);
|
|
||||||
|
|
||||||
u8 ARMul_SignedSaturatedAdd8(u8, u8);
|
|
||||||
u8 ARMul_SignedSaturatedSub8(u8, u8);
|
|
||||||
u16 ARMul_SignedSaturatedAdd16(u16, u16);
|
|
||||||
u16 ARMul_SignedSaturatedSub16(u16, u16);
|
|
||||||
|
|
||||||
u8 ARMul_UnsignedSaturatedAdd8(u8, u8);
|
|
||||||
u16 ARMul_UnsignedSaturatedAdd16(u16, u16);
|
|
||||||
u8 ARMul_UnsignedSaturatedSub8(u8, u8);
|
|
||||||
u16 ARMul_UnsignedSaturatedSub16(u16, u16);
|
|
||||||
u8 ARMul_UnsignedAbsoluteDifference(u8, u8);
|
|
||||||
u32 ARMul_SignedSatQ(s32, u8, bool*);
|
|
||||||
u32 ARMul_UnsignedSatQ(s32, u8, bool*);
|
|
||||||
|
|
||||||
bool InBigEndianMode(ARMul_State*);
|
|
||||||
bool InAPrivilegedMode(ARMul_State*);
|
|
||||||
|
|
||||||
u32 ReadCP15Register(ARMul_State* cpu, u32 crn, u32 opcode_1, u32 crm, u32 opcode_2);
|
|
||||||
void WriteCP15Register(ARMul_State* cpu, u32 value, u32 crn, u32 opcode_1, u32 crm, u32 opcode_2);
|
|
||||||
|
|
|
@ -24,6 +24,7 @@
|
||||||
|
|
||||||
#include "core/memory.h"
|
#include "core/memory.h"
|
||||||
#include "core/arm/skyeye_common/armdefs.h"
|
#include "core/arm/skyeye_common/armdefs.h"
|
||||||
|
#include "core/arm/skyeye_common/armsupp.h"
|
||||||
|
|
||||||
// Register numbers in the MMU
|
// Register numbers in the MMU
|
||||||
enum
|
enum
|
||||||
|
|
|
@ -18,8 +18,9 @@
|
||||||
#include "common/logging/log.h"
|
#include "common/logging/log.h"
|
||||||
|
|
||||||
#include "core/mem_map.h"
|
#include "core/mem_map.h"
|
||||||
#include "core/arm/skyeye_common/armdefs.h"
|
|
||||||
#include "core/arm/skyeye_common/arm_regformat.h"
|
#include "core/arm/skyeye_common/arm_regformat.h"
|
||||||
|
#include "core/arm/skyeye_common/armdefs.h"
|
||||||
|
#include "core/arm/skyeye_common/armsupp.h"
|
||||||
|
|
||||||
// Unsigned sum of absolute difference
|
// Unsigned sum of absolute difference
|
||||||
u8 ARMul_UnsignedAbsoluteDifference(u8 left, u8 right)
|
u8 ARMul_UnsignedAbsoluteDifference(u8 left, u8 right)
|
||||||
|
@ -47,21 +48,21 @@ u32 AddWithCarry(u32 left, u32 right, u32 carry_in, bool* carry_out_occurred, bo
|
||||||
}
|
}
|
||||||
|
|
||||||
// Compute whether an addition of A and B, giving RESULT, overflowed.
|
// Compute whether an addition of A and B, giving RESULT, overflowed.
|
||||||
bool AddOverflow(ARMword a, ARMword b, ARMword result)
|
bool AddOverflow(u32 a, u32 b, u32 result)
|
||||||
{
|
{
|
||||||
return ((NEG(a) && NEG(b) && POS(result)) ||
|
return ((NEG(a) && NEG(b) && POS(result)) ||
|
||||||
(POS(a) && POS(b) && NEG(result)));
|
(POS(a) && POS(b) && NEG(result)));
|
||||||
}
|
}
|
||||||
|
|
||||||
// Compute whether a subtraction of A and B, giving RESULT, overflowed.
|
// Compute whether a subtraction of A and B, giving RESULT, overflowed.
|
||||||
bool SubOverflow(ARMword a, ARMword b, ARMword result)
|
bool SubOverflow(u32 a, u32 b, u32 result)
|
||||||
{
|
{
|
||||||
return ((NEG(a) && POS(b) && POS(result)) ||
|
return ((NEG(a) && POS(b) && POS(result)) ||
|
||||||
(POS(a) && NEG(b) && NEG(result)));
|
(POS(a) && NEG(b) && NEG(result)));
|
||||||
}
|
}
|
||||||
|
|
||||||
// Returns true if the Q flag should be set as a result of overflow.
|
// Returns true if the Q flag should be set as a result of overflow.
|
||||||
bool ARMul_AddOverflowQ(ARMword a, ARMword b)
|
bool ARMul_AddOverflowQ(u32 a, u32 b)
|
||||||
{
|
{
|
||||||
u32 result = a + b;
|
u32 result = a + b;
|
||||||
if (((result ^ a) & (u32)0x80000000) && ((a ^ b) & (u32)0x80000000) == 0)
|
if (((result ^ a) & (u32)0x80000000) && ((a ^ b) & (u32)0x80000000) == 0)
|
||||||
|
|
42
src/core/arm/skyeye_common/armsupp.h
Normal file
42
src/core/arm/skyeye_common/armsupp.h
Normal file
|
@ -0,0 +1,42 @@
|
||||||
|
// Copyright 2014 Citra Emulator Project
|
||||||
|
// Licensed under GPLv2 or any later version
|
||||||
|
// Refer to the license.txt file included.
|
||||||
|
|
||||||
|
#pragma once
|
||||||
|
|
||||||
|
#include "common/common_types.h"
|
||||||
|
|
||||||
|
struct ARMul_State;
|
||||||
|
|
||||||
|
#define BITS(s, a, b) ((s << ((sizeof(s) * 8 - 1) - b)) >> (sizeof(s) * 8 - b + a - 1))
|
||||||
|
#define BIT(s, n) ((s >> (n)) & 1)
|
||||||
|
|
||||||
|
#define POS(i) ( (~(i)) >> 31 )
|
||||||
|
#define NEG(i) ( (i) >> 31 )
|
||||||
|
|
||||||
|
bool AddOverflow(u32, u32, u32);
|
||||||
|
bool SubOverflow(u32, u32, u32);
|
||||||
|
|
||||||
|
void ARMul_SelectProcessor(ARMul_State*, unsigned);
|
||||||
|
|
||||||
|
u32 AddWithCarry(u32, u32, u32, bool*, bool*);
|
||||||
|
bool ARMul_AddOverflowQ(u32, u32);
|
||||||
|
|
||||||
|
u8 ARMul_SignedSaturatedAdd8(u8, u8);
|
||||||
|
u8 ARMul_SignedSaturatedSub8(u8, u8);
|
||||||
|
u16 ARMul_SignedSaturatedAdd16(u16, u16);
|
||||||
|
u16 ARMul_SignedSaturatedSub16(u16, u16);
|
||||||
|
|
||||||
|
u8 ARMul_UnsignedSaturatedAdd8(u8, u8);
|
||||||
|
u16 ARMul_UnsignedSaturatedAdd16(u16, u16);
|
||||||
|
u8 ARMul_UnsignedSaturatedSub8(u8, u8);
|
||||||
|
u16 ARMul_UnsignedSaturatedSub16(u16, u16);
|
||||||
|
u8 ARMul_UnsignedAbsoluteDifference(u8, u8);
|
||||||
|
u32 ARMul_SignedSatQ(s32, u8, bool*);
|
||||||
|
u32 ARMul_UnsignedSatQ(s32, u8, bool*);
|
||||||
|
|
||||||
|
bool InBigEndianMode(ARMul_State*);
|
||||||
|
bool InAPrivilegedMode(ARMul_State*);
|
||||||
|
|
||||||
|
u32 ReadCP15Register(ARMul_State* cpu, u32 crn, u32 opcode_1, u32 crm, u32 opcode_2);
|
||||||
|
void WriteCP15Register(ARMul_State* cpu, u32 value, u32 crn, u32 opcode_1, u32 crm, u32 opcode_2);
|
Loading…
Reference in a new issue