typedef enum {
RRR,
RI18,
RI16,
RI10,
RI8,
RI7,
RR,
LBT,
LBTI,
IDATA,
UNKNOWN_IFORMAT
} spu_iformat;
typedef enum {
A_T,
A_A,
A_B,
A_C,
A_S,
A_H,
A_P,
A_S3,
A_S6,
A_S7N,
A_S7,
A_U7A,
A_U7B,
A_S10B,
A_S10,
A_S11,
A_S11I,
A_S14,
A_S16,
A_S18,
A_R18,
A_U3,
A_U5,
A_U6,
A_U7,
A_U14,
A_X16,
A_U18,
A_MAX
} spu_aformat;
enum spu_insns {
#define APUOP(TAG,MACFORMAT,OPCODE,MNEMONIC,ASMFORMAT,DEP,PIPE) \
TAG,
#define APUOPFB(TAG,MACFORMAT,OPCODE,FB,MNEMONIC,ASMFORMAT,DEP,PIPE) \
TAG,
#include "opcode/spu-insns.h"
#undef APUOP
#undef APUOPFB
M_SPU_MAX
};
struct spu_opcode
{
spu_iformat insn_type;
unsigned int opcode;
char *mnemonic;
int arg[5];
};
#define SIGNED_EXTRACT(insn,size,pos) (((int)((insn) << (32-size-pos))) >> (32-size))
#define UNSIGNED_EXTRACT(insn,size,pos) (((insn) >> pos) & ((1 << size)-1))
#define DECODE_INSN_RT(insn) (insn & 0x7f)
#define DECODE_INSN_RA(insn) ((insn >> 7) & 0x7f)
#define DECODE_INSN_RB(insn) ((insn >> 14) & 0x7f)
#define DECODE_INSN_RC(insn) ((insn >> 21) & 0x7f)
#define DECODE_INSN_I10(insn) SIGNED_EXTRACT(insn,10,14)
#define DECODE_INSN_U10(insn) UNSIGNED_EXTRACT(insn,10,14)
#define DECODE_INSN_I16(insn) SIGNED_EXTRACT(insn,16,7)
#define DECODE_INSN_U16(insn) UNSIGNED_EXTRACT(insn,16,7)
#define DECODE_INSN_U14(insn) UNSIGNED_EXTRACT(insn,14,0)
#define DECODE_INSN_I18(insn) SIGNED_EXTRACT(insn,18,7)
#define DECODE_INSN_U18(insn) UNSIGNED_EXTRACT(insn,18,7)
#define DECODE_INSN_I7(insn) SIGNED_EXTRACT(insn,7,14)
#define DECODE_INSN_U7(insn) UNSIGNED_EXTRACT(insn,7,14)
#define DECODE_INSN_I8(insn) SIGNED_EXTRACT(insn,8,14)
#define DECODE_INSN_U8(insn) UNSIGNED_EXTRACT(insn,8,14)
#define DECODE_INSN_I9a(insn) ((SIGNED_EXTRACT(insn,2,23) << 7) | UNSIGNED_EXTRACT(insn,7,0))
#define DECODE_INSN_I9b(insn) ((SIGNED_EXTRACT(insn,2,14) << 7) | UNSIGNED_EXTRACT(insn,7,0))
#define DECODE_INSN_U9a(insn) ((UNSIGNED_EXTRACT(insn,2,23) << 7) | UNSIGNED_EXTRACT(insn,7,0))
#define DECODE_INSN_U9b(insn) ((UNSIGNED_EXTRACT(insn,2,14) << 7) | UNSIGNED_EXTRACT(insn,7,0))