diff options
Diffstat (limited to 'target-ppc/translate.c')
| -rw-r--r-- | target-ppc/translate.c | 41 |
1 files changed, 26 insertions, 15 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c index c04c0ef99a..1ca7cbc7e7 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -1727,16 +1727,25 @@ GEN_HANDLER(stfiwx, 0x1F, 0x17, 0x1E, 0x00000001, PPC_FLOAT) /*** Branch ***/ -static inline void gen_jmp_tb(long tb, int n, uint32_t dest) -{ - if (n == 0) - gen_op_goto_tb0(TBPARAM(tb)); - else - gen_op_goto_tb1(TBPARAM(tb)); - gen_op_set_T1(dest); - gen_op_b_T1(); - gen_op_set_T0(tb + n); - gen_op_exit_tb(); +static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) +{ + TranslationBlock *tb; + tb = ctx->tb; + if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) { + if (n == 0) + gen_op_goto_tb0(TBPARAM(tb)); + else + gen_op_goto_tb1(TBPARAM(tb)); + gen_op_set_T1(dest); + gen_op_b_T1(); + gen_op_set_T0((long)tb + n); + gen_op_exit_tb(); + } else { + gen_op_set_T1(dest); + gen_op_b_T1(); + gen_op_set_T0(0); + gen_op_exit_tb(); + } } /* b ba bl bla */ @@ -1754,7 +1763,7 @@ GEN_HANDLER(b, 0x12, 0xFF, 0xFF, 0x00000000, PPC_FLOW) if (LK(ctx->opcode)) { gen_op_setlr(ctx->nip); } - gen_jmp_tb((long)ctx->tb, 0, target); + gen_goto_tb(ctx, 0, target); ctx->exception = EXCP_BRANCH; } @@ -1805,7 +1814,7 @@ static inline void gen_bcond(DisasContext *ctx, int type) case 4: case 6: if (type == BCOND_IM) { - gen_jmp_tb((long)ctx->tb, 0, target); + gen_goto_tb(ctx, 0, target); } else { gen_op_b_T1(); } @@ -1847,9 +1856,9 @@ static inline void gen_bcond(DisasContext *ctx, int type) if (type == BCOND_IM) { int l1 = gen_new_label(); gen_op_jz_T0(l1); - gen_jmp_tb((long)ctx->tb, 0, target); + gen_goto_tb(ctx, 0, target); gen_set_label(l1); - gen_jmp_tb((long)ctx->tb, 1, ctx->nip); + gen_goto_tb(ctx, 1, ctx->nip); } else { gen_op_btest_T1(ctx->nip); } @@ -2269,6 +2278,7 @@ GEN_HANDLER(mtsr, 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT) } gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_store_sr(SR(ctx->opcode)); + RET_MTMSR(ctx); #endif } @@ -2285,6 +2295,7 @@ GEN_HANDLER(mtsrin, 0x1F, 0x12, 0x07, 0x001F0001, PPC_SEGMENT) gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_load_gpr_T1(rB(ctx->opcode)); gen_op_store_srin(); + RET_MTMSR(ctx); #endif } @@ -2598,7 +2609,7 @@ int gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb, #endif } if (ctx.exception == EXCP_NONE) { - gen_jmp_tb((long)ctx.tb, 0, ctx.nip); + gen_goto_tb(&ctx, 0, ctx.nip); } else if (ctx.exception != EXCP_BRANCH) { gen_op_set_T0(0); } |