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Rebase ArmEmitter on PPSSPP's base. The loadstores are making my heart cry at this point.

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This commit is contained in:
Ryan Houdek
2013-03-11 13:57:55 -05:00
parent e160218394
commit b94b4a9e8f
9 changed files with 403 additions and 185 deletions
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89
Source/Core/Common/Src/ArmEmitter.h
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@ -25,6 +25,7 @@
#if defined(__SYMBIAN32__) || defined(PANDORA)
#include <signal.h>
#endif
#include <vector>
#undef _IP
#undef R0
@ -32,6 +33,12 @@
#undef _LR
#undef _PC
// VCVT flags
#define TO_FLOAT 0
#define TO_INT 1 << 0
#define IS_SIGNED 1 << 1
#define ROUND_TO_ZERO 1 << 2
namespace ArmGen
{
enum ARMReg
@ -171,7 +178,7 @@ public:
Value = base;
}
Operand2(u8 shift, ShiftType type, ARMReg base)// For IMM shifted register
Operand2(ARMReg base, ShiftType type, u8 shift)// For IMM shifted register
{
if(shift == 32) shift = 0;
switch (type)
@ -327,6 +334,13 @@ struct FixupBranch
int type; //0 = B 1 = BL
};
struct LiteralPool
{
s32 loc;
u8* ldr_address;
u32 val;
};
typedef const u8* JumpTarget;
class ARMXEmitter
@ -336,8 +350,9 @@ private:
u8 *code, *startcode;
u8 *lastCacheFlushEnd;
u32 condition;
std::vector<LiteralPool> currentLitPool;
void WriteStoreOp(u32 op, ARMReg dest, ARMReg src, s16 op2);
void WriteStoreOp(u32 op, ARMReg src, ARMReg dest, s16 op2);
void WriteRegStoreOp(u32 op, ARMReg dest, bool WriteBack, u16 RegList);
void WriteShiftedDataOp(u32 op, bool SetFlags, ARMReg dest, ARMReg src, ARMReg op2);
void WriteShiftedDataOp(u32 op, bool SetFlags, ARMReg dest, ARMReg src, Operand2 op2);
@ -373,6 +388,10 @@ public:
void FlushIcacheSection(u8 *start, u8 *end);
u8 *GetWritableCodePtr();
void FlushLitPool();
void AddNewLit(u32 val);
CCFlags GetCC() { return CCFlags(condition >> 28); }
void SetCC(CCFlags cond = CC_AL);
// Special purpose instructions
@ -425,8 +444,10 @@ public:
void LSL (ARMReg dest, ARMReg src, ARMReg op2);
void LSLS(ARMReg dest, ARMReg src, Operand2 op2);
void LSLS(ARMReg dest, ARMReg src, ARMReg op2);
void LSR (ARMReg dest, ARMReg src, Operand2 op2);
void SBC (ARMReg dest, ARMReg src, Operand2 op2);
void SBCS(ARMReg dest, ARMReg src, Operand2 op2);
void RBIT(ARMReg dest, ARMReg src);
void REV (ARMReg dest, ARMReg src);
void REV16 (ARMReg dest, ARMReg src);
void RSC (ARMReg dest, ARMReg src, Operand2 op2);
@ -457,33 +478,53 @@ public:
void UMULL(ARMReg destLo, ARMReg destHi, ARMReg rn, ARMReg rm);
void SMULL(ARMReg destLo, ARMReg destHi, ARMReg rn, ARMReg rm);
void UMLAL(ARMReg destLo, ARMReg destHi, ARMReg rn, ARMReg rm);
void SMLAL(ARMReg destLo, ARMReg destHi, ARMReg rn, ARMReg rm);
void SXTB(ARMReg dest, ARMReg op2);
void SXTH(ARMReg dest, ARMReg op2, u8 rotation = 0);
void SXTAH(ARMReg dest, ARMReg src, ARMReg op2, u8 rotation = 0);
void BFI(ARMReg rd, ARMReg rn, u8 lsb, u8 width);
void UBFX(ARMReg dest, ARMReg op2, u8 lsb, u8 width);
void CLZ(ARMReg rd, ARMReg rm);
// Using just MSR here messes with our defines on the PPC side of stuff (when this code was in dolphin...)
// Just need to put an underscore here, bit annoying.
void _MSR (bool nzcvq, bool g, Operand2 op2);
void _MSR (bool nzcvq, bool g, ARMReg src );
void _MSR (bool nzcvq, bool g, ARMReg src);
void MRS (ARMReg dest);
// Memory load/store operations
void LDR (ARMReg dest, ARMReg src, s16 op2 = 0);
void LDR (ARMReg dest, ARMReg src, s16 op2 = 0);
void LDRH (ARMReg dest, ARMReg src, Operand2 op2 = 0);
void LDRSH(ARMReg dest, ARMReg src, s16 op2 = 0);
void LDRB (ARMReg dest, ARMReg src, s16 op2 = 0);
void LDRSB(ARMReg dest, ARMReg src, Operand2 op2 = 0);
// Offset adds to the base register in LDR
void LDR (ARMReg dest, ARMReg base, ARMReg offset, bool Index, bool Add);
void LDRH(ARMReg dest, ARMReg src, Operand2 op = 0);
void LDRB(ARMReg dest, ARMReg src, s16 op2 = 0);
void STR (ARMReg dest, ARMReg src, s16 op2 = 0);
// Offset adds on to the destination register in STR
void STR (ARMReg dest, ARMReg base, ARMReg offset, bool Index, bool Add);
void LDR (ARMReg dest, ARMReg base, Operand2 op2, bool Index, bool Add);
void LDR (ARMReg dest, ARMReg base, ARMReg offset, bool Index, bool Add);
void LDRH (ARMReg dest, ARMReg base, ARMReg offset, bool Index, bool Add);
void LDRSH(ARMReg dest, ARMReg base, ARMReg offset, bool Index, bool Add);
void LDRB (ARMReg dest, ARMReg base, ARMReg offset, bool Index, bool Add);
void LDRSB(ARMReg dest, ARMReg base, ARMReg offset, bool Index, bool Add);
void LDRLIT(ARMReg dest, u32 offset, bool Add);
void STR (ARMReg result, ARMReg base, s16 op2 = 0);
void STRH (ARMReg result, ARMReg base, Operand2 op2 = 0);
void STRB (ARMReg result, ARMReg base, s16 op2 = 0);
// Offset adds on to the destination register in STR
void STR (ARMReg result, ARMReg base, Operand2 op2, bool Index, bool Add);
void STR (ARMReg result, ARMReg base, ARMReg offset, bool Index, bool Add);
void STRH (ARMReg result, ARMReg base, ARMReg offset, bool Index, bool Add);
void STRB (ARMReg result, ARMReg base, ARMReg offset, bool Index, bool Add);
void STRB(ARMReg dest, ARMReg src, s16 op2 = 0);
void STMFD(ARMReg dest, bool WriteBack, const int Regnum, ...);
void LDMFD(ARMReg dest, bool WriteBack, const int Regnum, ...);
// Exclusive Access operations
void LDREX(ARMReg dest, ARMReg base);
// dest contains the result if the instruction managed to store the value
void STREX(ARMReg dest, ARMReg base, ARMReg op);
// result contains the result if the instruction managed to store the value
void STREX(ARMReg result, ARMReg base, ARMReg op);
void DMB ();
void SVC(Operand2 op);
@ -501,9 +542,9 @@ public:
// VFP Only
void VLDR(ARMReg Dest, ARMReg Base, s16 offset);
void VSTR(ARMReg Src, ARMReg Base, s16 offset);
void VCMP(ARMReg Vd, ARMReg Vm);
void VCMP(ARMReg Vd, ARMReg Vm, bool E);
// Compares against zero
void VCMP(ARMReg Vd);
void VCMP(ARMReg Vd, bool E);
void VDIV(ARMReg Vd, ARMReg Vn, ARMReg Vm);
void VSQRT(ARMReg Vd, ARMReg Vm);
@ -513,13 +554,25 @@ public:
void VABS(ARMReg Vd, ARMReg Vm);
void VNEG(ARMReg Vd, ARMReg Vm);
void VMUL(ARMReg Vd, ARMReg Vn, ARMReg Vm);
void VMLA(ARMReg Vd, ARMReg Vn, ARMReg Vm);
void VMOV(ARMReg Dest, ARMReg Src, bool high);
void VMOV(ARMReg Dest, ARMReg Src);
void VCVT(ARMReg Dest, ARMReg Src, int flags);
void VMRS_APSR();
void VMRS(ARMReg Rt);
void VMSR(ARMReg Rt);
void QuickCallFunction(ARMReg scratchreg, void *func);
// Utility functions
// Wrapper around MOVT/MOVW with fallbacks.
void MOVI2R(ARMReg reg, u32 val, bool optimize = true);
void ARMABI_MOVI2M(Operand2 op, Operand2 val);
void MOVI2F(ARMReg dest, float val, ARMReg tempReg);
void ANDI2R(ARMReg rd, ARMReg rs, u32 val, ARMReg scratch);
void ORI2R(ARMReg rd, ARMReg rs, u32 val, ARMReg scratch);
}; // class ARMXEmitter
@ -556,7 +609,9 @@ public:
// Call this when shutting down. Don't rely on the destructor, even though it'll do the job.
void FreeCodeSpace()
{
#ifndef __SYMBIAN32__
FreeMemoryPages(region, region_size);
#endif
region = NULL;
region_size = 0;
}