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target-mips: implement R6 multi-threading

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MIPS Release 6 provides multi-threading features which replace
pre-R6 MT Module. CP0.Config3.MT is always 0 in R6, instead there is new
CP0.Config5.VP (Virtual Processor) bit which indicates presence of
multi-threading support which includes CP0.GlobalNumber register and
DVP/EVP instructions.

Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
This commit is contained in:
Yongbok Kim 2016-02-03 12:31:07 +00:00 • committed by Leon Alrae
parent bee62662a3
commit 01bc435b44
7 changed files with 151 additions and 1 deletions
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4
disas/mips.c
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@ -1405,6 +1405,10 @@ const struct mips_opcode mips_builtin_opcodes[] =
{"cmp.sor.d", "D,S,T", 0x46a00019, 0xffe0003f, RD_S|RD_T|WR_D|FP_D, 0, I32R6},
{"cmp.sune.d", "D,S,T", 0x46a0001a, 0xffe0003f, RD_S|RD_T|WR_D|FP_D, 0, I32R6},
{"cmp.sne.d", "D,S,T", 0x46a0001b, 0xffe0003f, RD_S|RD_T|WR_D|FP_D, 0, I32R6},
{"dvp", "", 0x41600024, 0xffffffff, TRAP, 0, I32R6},
{"dvp", "t", 0x41600024, 0xffe0ffff, TRAP|WR_t, 0, I32R6},
{"evp", "", 0x41600004, 0xffffffff, TRAP, 0, I32R6},
{"evp", "t", 0x41600004, 0xffe0ffff, TRAP|WR_t, 0, I32R6},
/* MSA */
{"sll.b", "+d,+e,+f", 0x7800000d, 0xffe0003f, WR_VD|RD_VS|RD_VT, 0, MSA},