target/mips: Define R5900 MMI3 opcode constants

Reviewed-by: NAleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: NFredrik Noring <noring@nocrew.org>
Signed-off-by: NAleksandar Markovic <amarkovic@wavecomp.com>

target/mips/translate.c

@@ -2323,6 +2323,45 @@ enum {
     TX79_MMI2_PROT3W = (0x1F << 6) | TX79_MMI_CLASS_MMI2,
 };
 
+/*
+ * TX79 Multimedia Instructions with opcode field = MMI and bits 5..0 = MMI3:
+ *
+ *  31    26                        10     6 5      0
+ * +--------+----------------------+--------+--------+
+ * |   MMI  |                      |function|  MMI3  |
+ * +--------+----------------------+--------+--------+
+ *
+ * function  bits 7..6
+ *     bits |   0   |   1   |   2   |   3
+ *    10..8 |   00  |   01  |   10  |   11
+ *   -------+-------+-------+-------+-------
+ *    0 000 |PMADDUW|   *   |   *   | PSRAVW
+ *    1 001 |   *   |   *   |   *   |   *
+ *    2 010 | PMTHI | PMTLO | PINTEH|   *
+ *    3 011 |PMULTUW| PDIVUW| PCPYUD|   *
+ *    4 100 |   *   |   *   |  POR  |  PNOR
+ *    5 101 |   *   |   *   |   *   |   *
+ *    6 110 |   *   |   *   | PEXCH | PCPYH
+ *    7 111 |   *   |   *   | PEXCW |   *
+ */
+
+#define MASK_TX79_MMI3(op) (MASK_OP_MAJOR(op) | ((op) & 0x7FF))
+enum {
+    TX79_MMI3_PMADDUW = (0x00 << 6) | TX79_MMI_CLASS_MMI3,
+    TX79_MMI3_PSRAVW  = (0x03 << 6) | TX79_MMI_CLASS_MMI3,
+    TX79_MMI3_PMTHI   = (0x08 << 6) | TX79_MMI_CLASS_MMI3,
+    TX79_MMI3_PMTLO   = (0x09 << 6) | TX79_MMI_CLASS_MMI3,
+    TX79_MMI3_PINTEH  = (0x0A << 6) | TX79_MMI_CLASS_MMI3,
+    TX79_MMI3_PMULTUW = (0x0C << 6) | TX79_MMI_CLASS_MMI3,
+    TX79_MMI3_PDIVUW  = (0x0D << 6) | TX79_MMI_CLASS_MMI3,
+    TX79_MMI3_PCPYUD  = (0x0E << 6) | TX79_MMI_CLASS_MMI3,
+    TX79_MMI3_POR     = (0x12 << 6) | TX79_MMI_CLASS_MMI3,
+    TX79_MMI3_PNOR    = (0x13 << 6) | TX79_MMI_CLASS_MMI3,
+    TX79_MMI3_PEXCH   = (0x1A << 6) | TX79_MMI_CLASS_MMI3,
+    TX79_MMI3_PCPYH   = (0x1B << 6) | TX79_MMI_CLASS_MMI3,
+    TX79_MMI3_PEXCW   = (0x1E << 6) | TX79_MMI_CLASS_MMI3,
+};
+
 /* global register indices */
 static TCGv cpu_gpr[32], cpu_PC;
 static TCGv cpu_HI[MIPS_DSP_ACC], cpu_LO[MIPS_DSP_ACC];