diff options
Diffstat (limited to 'target/ppc/translate.c')
| -rw-r--r-- | target/ppc/translate.c | 56 |
1 files changed, 36 insertions, 20 deletions
diff --git a/target/ppc/translate.c b/target/ppc/translate.c index a52cbc8..17e6d07 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -21,7 +21,7 @@ #include "qemu/osdep.h" #include "cpu.h" #include "internal.h" -#include "exec/exec-all.h" +#include "exec/target_page.h" #include "tcg/tcg-op.h" #include "tcg/tcg-op-gvec.h" #include "qemu/host-utils.h" @@ -209,6 +209,11 @@ struct DisasContext { #define DISAS_CHAIN DISAS_TARGET_2 /* lookup next tb, pc updated */ #define DISAS_CHAIN_UPDATE DISAS_TARGET_3 /* lookup next tb, pc stale */ +static inline bool is_ppe(const DisasContext *ctx) +{ + return !!(ctx->flags & POWERPC_FLAG_PPE42); +} + /* Return true iff byteswap is needed in a scalar memop */ static inline bool need_byteswap(const DisasContext *ctx) { @@ -556,11 +561,8 @@ void spr_access_nop(DisasContext *ctx, int sprn, int gprn) #endif -/* SPR common to all PowerPC */ -/* XER */ -void spr_read_xer(DisasContext *ctx, int gprn, int sprn) +static void gen_get_xer(DisasContext *ctx, TCGv dst) { - TCGv dst = cpu_gpr[gprn]; TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); TCGv t2 = tcg_temp_new(); @@ -579,9 +581,16 @@ void spr_read_xer(DisasContext *ctx, int gprn, int sprn) } } -void spr_write_xer(DisasContext *ctx, int sprn, int gprn) +/* SPR common to all PowerPC */ +/* XER */ +void spr_read_xer(DisasContext *ctx, int gprn, int sprn) +{ + TCGv dst = cpu_gpr[gprn]; + gen_get_xer(ctx, dst); +} + +static void gen_set_xer(DisasContext *ctx, TCGv src) { - TCGv src = cpu_gpr[gprn]; /* Write all flags, while reading back check for isa300 */ tcg_gen_andi_tl(cpu_xer, src, ~((1u << XER_SO) | @@ -594,6 +603,12 @@ void spr_write_xer(DisasContext *ctx, int sprn, int gprn) tcg_gen_extract_tl(cpu_ca, src, XER_CA, 1); } +void spr_write_xer(DisasContext *ctx, int sprn, int gprn) +{ + TCGv src = cpu_gpr[gprn]; + gen_set_xer(ctx, src); +} + /* LR */ void spr_read_lr(DisasContext *ctx, int gprn, int sprn) { @@ -1745,11 +1760,10 @@ static inline void gen_op_arith_add(DisasContext *ctx, TCGv ret, TCGv arg1, tcg_gen_mov_tl(ca32, ca); } } else { - TCGv zero = tcg_constant_tl(0); if (add_ca) { - tcg_gen_add2_tl(t0, ca, arg1, zero, ca, zero); - tcg_gen_add2_tl(t0, ca, t0, ca, arg2, zero); + tcg_gen_addcio_tl(t0, ca, arg1, arg2, ca); } else { + TCGv zero = tcg_constant_tl(0); tcg_gen_add2_tl(t0, ca, arg1, zero, arg2, zero); } gen_op_arith_compute_ca32(ctx, t0, arg1, arg2, ca32, 0); @@ -1948,11 +1962,9 @@ static inline void gen_op_arith_subf(DisasContext *ctx, TCGv ret, TCGv arg1, tcg_gen_mov_tl(cpu_ca32, cpu_ca); } } else if (add_ca) { - TCGv zero, inv1 = tcg_temp_new(); + TCGv inv1 = tcg_temp_new(); tcg_gen_not_tl(inv1, arg1); - zero = tcg_constant_tl(0); - tcg_gen_add2_tl(t0, cpu_ca, arg2, zero, cpu_ca, zero); - tcg_gen_add2_tl(t0, cpu_ca, t0, cpu_ca, inv1, zero); + tcg_gen_addcio_tl(t0, cpu_ca, arg2, inv1, cpu_ca); gen_op_arith_compute_ca32(ctx, t0, inv1, arg2, cpu_ca32, 0); } else { tcg_gen_setcond_tl(TCG_COND_GEU, cpu_ca, arg2, arg1); @@ -3627,7 +3639,6 @@ static void pmu_count_insns(DisasContext *ctx) #else static void pmu_count_insns(DisasContext *ctx) { - return; } #endif /* #if defined(TARGET_PPC64) */ @@ -3657,16 +3668,17 @@ static void gen_lookup_and_goto_ptr(DisasContext *ctx) } /*** Branch ***/ -static void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) +static void gen_goto_tb(DisasContext *ctx, unsigned tb_slot_idx, + target_ulong dest) { if (NARROW_MODE(ctx)) { dest = (uint32_t) dest; } if (use_goto_tb(ctx, dest)) { pmu_count_insns(ctx); - tcg_gen_goto_tb(n); + tcg_gen_goto_tb(tb_slot_idx); tcg_gen_movi_tl(cpu_nip, dest & ~3); - tcg_gen_exit_tb(ctx->base.tb, n); + tcg_gen_exit_tb(ctx->base.tb, tb_slot_idx); } else { tcg_gen_movi_tl(cpu_nip, dest & ~3); gen_lookup_and_goto_ptr(ctx); @@ -4268,8 +4280,10 @@ static void gen_mtmsr(DisasContext *ctx) /* L=1 form only updates EE and RI */ mask &= (1ULL << MSR_RI) | (1ULL << MSR_EE); } else { - /* mtmsr does not alter S, ME, or LE */ - mask &= ~((1ULL << MSR_LE) | (1ULL << MSR_ME) | (1ULL << MSR_S)); + if (likely(!(ctx->insns_flags2 & PPC2_PPE42))) { + /* mtmsr does not alter S, ME, or LE */ + mask &= ~((1ULL << MSR_LE) | (1ULL << MSR_ME) | (1ULL << MSR_S)); + } /* * XXX: we need to update nip before the store if we enter @@ -5757,6 +5771,8 @@ static bool resolve_PLS_D(DisasContext *ctx, arg_D *d, arg_PLS_D *a) #include "translate/bhrb-impl.c.inc" +#include "translate/ppe-impl.c.inc" + /* Handles lfdp */ static void gen_dform39(DisasContext *ctx) { |