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| author | Leon Alrae <leon.alrae@imgtec.com> | 2014-09-11 16:28:17 +0100 |
|---|---|---|
| committer | Leon Alrae <leon.alrae@imgtec.com> | 2015-06-12 09:05:31 +0100 |
| commit | 5204ea79ea739b557f47fc4db96c94edcb33a5d6 (patch) | |
| tree | 6b439e0077f4624a23b47ec81770e4debda4cf9c /disas/mips.c | |
| parent | e117f52636d04502fab28bd3abe93347c29f39a5 (diff) | |
| download | qemu-5204ea79ea739b557f47fc4db96c94edcb33a5d6.zip qemu-5204ea79ea739b557f47fc4db96c94edcb33a5d6.tar.gz qemu-5204ea79ea739b557f47fc4db96c94edcb33a5d6.tar.bz2 | |
target-mips: add MTHC0 and MFHC0 instructions
Implement MTHC0 and MFHC0 instructions. In MIPS32 they are used to access
upper word of extended to 64-bits CP0 registers.
In MIPS64, when CP0 destination register specified is the EntryLo0 or
EntryLo1, bits 1:0 of the GPR appear at bits 31:30 of EntryLo0 or
EntryLo1. This is to compensate for RI and XI, which were shifted to bits
63:62 by MTC0 to EntryLo0 or EntryLo1. Therefore creating separate
functions for EntryLo0 and EntryLo1.
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'disas/mips.c')
| -rw-r--r-- | disas/mips.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/disas/mips.c b/disas/mips.c index 832468c..32940fe 100644 --- a/disas/mips.c +++ b/disas/mips.c @@ -2238,6 +2238,8 @@ const struct mips_opcode mips_builtin_opcodes[] = {"ceil.l.s", "D,S", 0x4600000a, 0xffff003f, WR_D|RD_S|FP_S|FP_D, 0, I3|I33 }, {"ceil.w.d", "D,S", 0x4620000e, 0xffff003f, WR_D|RD_S|FP_S|FP_D, 0, I2 }, {"ceil.w.s", "D,S", 0x4600000e, 0xffff003f, WR_D|RD_S|FP_S, 0, I2 }, +{"mfhc0", "t,G,H", 0x40400000, 0xffe007f8, LCD|WR_t|RD_C0, 0, I33}, +{"mthc0", "t,G,H", 0x40c00000, 0xffe007f8, COD|RD_t|WR_C0|WR_CC, 0, I33}, {"cfc0", "t,G", 0x40400000, 0xffe007ff, LCD|WR_t|RD_C0, 0, I1 }, {"cfc1", "t,G", 0x44400000, 0xffe007ff, LCD|WR_t|RD_C1|FP_S, 0, I1 }, {"cfc1", "t,S", 0x44400000, 0xffe007ff, LCD|WR_t|RD_C1|FP_S, 0, I1 }, |