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Signed-off-by: Shivang Upadhyay Reviewed-by: Glenn Miles Reviewed-by: Amit Machhiwal Signed-off-by: Chinmay Rath --- target/ppc/insn32.decode | 8 +++ target/ppc/translate.c | 62 ----------------- target/ppc/translate/fixedpoint-impl.c.inc | 78 ++++++++++++++++++++++ 3 files changed, 86 insertions(+), 62 deletions(-) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index b833244932..137432ed96 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -70,6 +70,9 @@ %dx_d 6:s10 16:5 0:1 @DX ...... rt:5 ..... .......... ..... . &DX d=%dx_d +&XFX rt fxm +@XFX ...... rt:5 . fxm:8 ...... ..... . &XFX + %md_sh 1:1 11:5 %md_mb 5:1 6:5 &MD rs ra sh mb rc @@ -648,6 +651,11 @@ FSEL 111111 ..... ..... ..... ..... 10111 . @A ### Move To/From System Register Instructions +MFCR 011111 ..... 0.... ....- 0000010011 - @XFX +MFOCR 011111 ..... 1.... ....- 0000010011 - @XFX +MTCRF 011111 ..... 0.... ....- 0010010000 - @XFX +MTOCRF 011111 ..... 1.... ....- 0010010000 - @XFX + SETBC 011111 ..... ..... ----- 0110000000 - @X_bi SETBCR 011111 ..... ..... ----- 0110100000 - @X_bi SETNBC 011111 ..... ..... ----- 0111000000 - @X_bi diff --git a/target/ppc/translate.c b/target/ppc/translate.c index 9d9823f92d..59e8ecb262 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -3131,40 +3131,6 @@ static void gen_mcrxrx(DisasContext *ctx) } #endif -/* mfcr mfocrf */ -static void gen_mfcr(DisasContext *ctx) -{ - uint32_t crm, crn; - - if (likely(ctx->opcode & 0x00100000)) { - crm = CRM(ctx->opcode); - if (likely(crm && ((crm & (crm - 1)) == 0))) { - crn = ctz32(crm); - tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], cpu_crf[7 - crn]); - tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)], - cpu_gpr[rD(ctx->opcode)], crn * 4); - } - } else { - TCGv_i32 t0 = tcg_temp_new_i32(); - tcg_gen_mov_i32(t0, cpu_crf[0]); - tcg_gen_shli_i32(t0, t0, 4); - tcg_gen_or_i32(t0, t0, cpu_crf[1]); - tcg_gen_shli_i32(t0, t0, 4); - tcg_gen_or_i32(t0, t0, cpu_crf[2]); - tcg_gen_shli_i32(t0, t0, 4); - tcg_gen_or_i32(t0, t0, cpu_crf[3]); - tcg_gen_shli_i32(t0, t0, 4); - tcg_gen_or_i32(t0, t0, cpu_crf[4]); - tcg_gen_shli_i32(t0, t0, 4); - tcg_gen_or_i32(t0, t0, cpu_crf[5]); - tcg_gen_shli_i32(t0, t0, 4); - tcg_gen_or_i32(t0, t0, cpu_crf[6]); - tcg_gen_shli_i32(t0, t0, 4); - tcg_gen_or_i32(t0, t0, cpu_crf[7]); - tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t0); - } -} - /* mfmsr */ static void gen_mfmsr(DisasContext *ctx) { @@ -3245,32 +3211,6 @@ static void gen_mftb(DisasContext *ctx) gen_op_mfspr(ctx); } -/* mtcrf mtocrf*/ -static void gen_mtcrf(DisasContext *ctx) -{ - uint32_t crm, crn; - - crm = CRM(ctx->opcode); - if (likely((ctx->opcode & 0x00100000))) { - if (crm && ((crm & (crm - 1)) == 0)) { - TCGv_i32 temp = tcg_temp_new_i32(); - crn = ctz32(crm); - tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]); - tcg_gen_shri_i32(temp, temp, crn * 4); - tcg_gen_andi_i32(cpu_crf[7 - crn], temp, 0xf); - } - } else { - TCGv_i32 temp = tcg_temp_new_i32(); - tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]); - for (crn = 0 ; crn < 8 ; crn++) { - if (crm & (1 << crn)) { - tcg_gen_shri_i32(cpu_crf[7 - crn], temp, crn * 4); - tcg_gen_andi_i32(cpu_crf[7 - crn], cpu_crf[7 - crn], 0xf); - } - } - } -} - /* mtmsr */ #if defined(TARGET_PPC64) static void gen_mtmsrd(DisasContext *ctx) @@ -5030,11 +4970,9 @@ GEN_HANDLER(hrfid, 0x13, 0x12, 0x08, 0x03FF8001, PPC_64H), GEN_HANDLER(sc, 0x11, 0x11, 0xFF, 0x03FFF01D, PPC_FLOW), GEN_HANDLER(sc, 0x11, 0x01, 0xFF, 0x03FFF01D, PPC_FLOW), GEN_HANDLER(mcrxr, 0x1F, 0x00, 0x10, 0x007FF801, PPC_MISC), -GEN_HANDLER(mfcr, 0x1F, 0x13, 0x00, 0x00000801, PPC_MISC), GEN_HANDLER(mfmsr, 0x1F, 0x13, 0x02, 0x001FF801, PPC_MISC), GEN_HANDLER(mfspr, 0x1F, 0x13, 0x0A, 0x00000001, PPC_MISC), GEN_HANDLER(mftb, 0x1F, 0x13, 0x0B, 0x00000001, PPC_MFTB), -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), diff --git a/target/ppc/translate/fixedpoint-impl.c.inc b/target/ppc/translate/fixedpoint-impl.c.inc index f9435f4a00..11d919a21a 100644 --- a/target/ppc/translate/fixedpoint-impl.c.inc +++ b/target/ppc/translate/fixedpoint-impl.c.inc @@ -461,6 +461,84 @@ static bool trans_ADDEX(DisasContext *ctx, arg_X *a) return true; } +static bool trans_MTCRF(DisasContext *ctx, arg_MTCRF *a) +{ + TCGv_i32 temp; + uint32_t crm, crn; + + crm = a->fxm; + + temp = tcg_temp_new_i32(); + tcg_gen_trunc_tl_i32(temp, cpu_gpr[a->rt]); + + for (crn = 0 ; crn < 8 ; crn++) { + if (crm & (1 << crn)) { + tcg_gen_shri_i32(cpu_crf[7 - crn], temp, crn * 4); + tcg_gen_andi_i32(cpu_crf[7 - crn], cpu_crf[7 - crn], 0xf); + } + } + + return true; +} + +static bool trans_MTOCRF(DisasContext *ctx, arg_MTOCRF *a) +{ + uint32_t crm, crn; + + crm = a->fxm; + + /* Checking crm > 0 and set_bits(crm) == 1 */ + if (crm && ((crm & (crm - 1)) == 0)) { + TCGv_i32 temp = tcg_temp_new_i32(); + crn = ctz32(crm); + tcg_gen_trunc_tl_i32(temp, cpu_gpr[a->rt]); + tcg_gen_shri_i32(temp, temp, crn * 4); + tcg_gen_andi_i32(cpu_crf[7 - crn], temp, 0xf); + } + + return true; +} + +static bool trans_MFOCR(DisasContext *ctx, arg_MFOCR *a) +{ + uint32_t crm, crn; + + crm = a->fxm; + + /* Checking crm > 0 and set_bits(crm) == 1 */ + if (likely(crm && ((crm & (crm - 1)) == 0))) { + crn = ctz32(crm); + tcg_gen_extu_i32_tl(cpu_gpr[a->rt], cpu_crf[7 - crn]); + tcg_gen_shli_tl(cpu_gpr[a->rt], + cpu_gpr[a->rt], crn * 4); + } + + return true; +} + +static bool trans_MFCR(DisasContext *ctx, arg_MFCR *a) +{ + TCGv_i32 t0 = tcg_temp_new_i32(); + tcg_gen_mov_i32(t0, cpu_crf[0]); + tcg_gen_shli_i32(t0, t0, 4); + tcg_gen_or_i32(t0, t0, cpu_crf[1]); + tcg_gen_shli_i32(t0, t0, 4); + tcg_gen_or_i32(t0, t0, cpu_crf[2]); + tcg_gen_shli_i32(t0, t0, 4); + tcg_gen_or_i32(t0, t0, cpu_crf[3]); + tcg_gen_shli_i32(t0, t0, 4); + tcg_gen_or_i32(t0, t0, cpu_crf[4]); + tcg_gen_shli_i32(t0, t0, 4); + tcg_gen_or_i32(t0, t0, cpu_crf[5]); + tcg_gen_shli_i32(t0, t0, 4); + tcg_gen_or_i32(t0, t0, cpu_crf[6]); + tcg_gen_shli_i32(t0, t0, 4); + tcg_gen_or_i32(t0, t0, cpu_crf[7]); + tcg_gen_extu_i32_tl(cpu_gpr[a->rt], t0); + + return true; +} + static bool do_add_D(DisasContext *ctx, arg_D *a, bool add_ca, bool compute_ca, bool compute_ov, bool compute_rc0) { -- 2.55.0