diff options
| author | James Hogan <james.hogan@imgtec.com> | 2016-06-23 17:34:34 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2016-07-05 16:08:11 +0200 |
| commit | c29732a179c2ed0cb9f001a8dc07dcf432389313 (patch) | |
| tree | 9bdaac61cc4029d296164f321b1d8096089f75e0 /arch/mips/mm/uasm-micromips.c | |
| parent | 77cb7a3e152e4aff7d4d0b5279954f6ae6d87e54 (diff) | |
MIPS: uasm: Add CFC1/CTC1 instructions
Add CFC1/CTC1 instructions for accessing FP control registers to uasm so
that KVM can use uasm for generating its entry point code at runtime.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/mips/mm/uasm-micromips.c')
| -rw-r--r-- | arch/mips/mm/uasm-micromips.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/mips/mm/uasm-micromips.c b/arch/mips/mm/uasm-micromips.c index d78178daea4b..8b1acb2f6b8b 100644 --- a/arch/mips/mm/uasm-micromips.c +++ b/arch/mips/mm/uasm-micromips.c @@ -53,6 +53,8 @@ static struct insn insn_table_MM[] = { { insn_bltzl, 0, 0 }, { insn_bne, M(mm_bne32_op, 0, 0, 0, 0, 0), RT | RS | BIMM }, { insn_cache, M(mm_pool32b_op, 0, 0, mm_cache_func, 0, 0), RT | RS | SIMM }, + { insn_cfc1, M(mm_pool32f_op, 0, 0, 0, mm_cfc1_op, mm_32f_73_op), RT | RS }, + { insn_ctc1, M(mm_pool32f_op, 0, 0, 0, mm_ctc1_op, mm_32f_73_op), RT | RS }, { insn_daddu, 0, 0 }, { insn_daddiu, 0, 0 }, { insn_divu, M(mm_pool32a_op, 0, 0, 0, mm_divu_op, mm_pool32axf_op), RT | RS }, @@ -166,13 +168,15 @@ static void build_insn(u32 **buf, enum opcode opc, ...) op = ip->match; va_start(ap, opc); if (ip->fields & RS) { - if (opc == insn_mfc0 || opc == insn_mtc0) + if (opc == insn_mfc0 || opc == insn_mtc0 || + opc == insn_cfc1 || opc == insn_ctc1) op |= build_rt(va_arg(ap, u32)); else op |= build_rs(va_arg(ap, u32)); } if (ip->fields & RT) { - if (opc == insn_mfc0 || opc == insn_mtc0) + if (opc == insn_mfc0 || opc == insn_mtc0 || + opc == insn_cfc1 || opc == insn_ctc1) op |= build_rs(va_arg(ap, u32)); else op |= build_rt(va_arg(ap, u32)); |