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target/ppc: add mcrxrx instruction 

mcrxrx: Move to CR from XER Extended

Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Nikunj A Dadhania 2017-02-27 10:28:01 +05:30 committed by David Gibson
parent c44027ffb9
commit b63d043418
1 changed files with 23 additions and 0 deletions
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23
target/ppc/translate.c
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@ -3819,6 +3819,28 @@ static void gen_mcrxr(DisasContext *ctx)
tcg_gen_movi_tl(cpu_ca, 0);
}
#ifdef TARGET_PPC64
/* mcrxrx */
static void gen_mcrxrx(DisasContext *ctx)
{
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)];
/* copy OV and OV32 */
tcg_gen_shli_tl(t0, cpu_ov, 1);
tcg_gen_or_tl(t0, t0, cpu_ov32);
tcg_gen_shli_tl(t0, t0, 2);
/* copy CA and CA32 */
tcg_gen_shli_tl(t1, cpu_ca, 1);
tcg_gen_or_tl(t1, t1, cpu_ca32);
tcg_gen_or_tl(t0, t0, t1);
tcg_gen_trunc_tl_i32(dst, t0);
tcg_temp_free(t0);
tcg_temp_free(t1);
}
#endif
/* mfcr mfocrf */
static void gen_mfcr(DisasContext *ctx)
{
@ -6488,6 +6510,7 @@ GEN_HANDLER(mtcrf, 0x1F, 0x10, 0x04, 0x00000801, PPC_MISC),
#if defined(TARGET_PPC64)
GEN_HANDLER(mtmsrd, 0x1F, 0x12, 0x05, 0x001EF801, PPC_64B),
GEN_HANDLER_E(setb, 0x1F, 0x00, 0x04, 0x0003F801, PPC_NONE, PPC2_ISA300),
GEN_HANDLER_E(mcrxrx, 0x1F, 0x00, 0x12, 0x007FF801, PPC_NONE, PPC2_ISA300),
#endif
GEN_HANDLER(mtmsr, 0x1F, 0x12, 0x04, 0x001EF801, PPC_MISC),
GEN_HANDLER(mtspr, 0x1F, 0x13, 0x0E, 0x00000000, PPC_MISC),