diff options
Diffstat (limited to 'target/mips/translate.c')
| -rw-r--r-- | target/mips/translate.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/target/mips/translate.c b/target/mips/translate.c index ae98817..242f2df 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -2180,6 +2180,57 @@ enum { TX79_MMI_PSRAW = 0x3F | TX79_CLASS_MMI, }; +/* + * TX79 Multimedia Instructions with opcode field = MMI and bits 5..0 = MMI0: + * + * 31 26 10 6 5 0 + * +--------+----------------------+--------+--------+ + * | MMI | |function| MMI0 | + * +--------+----------------------+--------+--------+ + * + * function bits 7..6 + * bits | 0 | 1 | 2 | 3 + * 10..8 | 00 | 01 | 10 | 11 + * -------+-------+-------+-------+------- + * 0 000 | PADDW | PSUBW | PCGTW | PMAXW + * 1 001 | PADDH | PSUBH | PCGTH | PMAXH + * 2 010 | PADDB | PSUBB | PCGTB | * + * 3 011 | * | * | * | * + * 4 100 | PADDSW| PSUBSW| PEXTLW| PPACW + * 5 101 | PADDSH| PSUBSH| PEXTLH| PPACH + * 6 110 | PADDSB| PSUBSB| PEXTLB| PPACB + * 7 111 | * | * | PEXT5 | PPAC5 + */ + +#define MASK_TX79_MMI0(op) (MASK_OP_MAJOR(op) | ((op) & 0x7FF)) +enum { + TX79_MMI0_PADDW = (0x00 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PSUBW = (0x01 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PCGTW = (0x02 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PMAXW = (0x03 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PADDH = (0x04 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PSUBH = (0x05 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PCGTH = (0x06 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PMAXH = (0x07 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PADDB = (0x08 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PSUBB = (0x09 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PCGTB = (0x0A << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PADDSW = (0x10 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PSUBSW = (0x11 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PEXTLW = (0x12 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PPACW = (0x13 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PADDSH = (0x14 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PSUBSH = (0x15 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PEXTLH = (0x16 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PPACH = (0x17 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PADDSB = (0x18 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PSUBSB = (0x19 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PEXTLB = (0x1A << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PPACB = (0x1B << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PEXT5 = (0x1E << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PPAC5 = (0x1F << 6) | TX79_MMI_CLASS_MMI0, +}; + /* global register indices */ static TCGv cpu_gpr[32], cpu_PC; static TCGv cpu_HI[MIPS_DSP_ACC], cpu_LO[MIPS_DSP_ACC]; |