diff options
author | Peter Maydell <peter.maydell@linaro.org> | 2018-06-19 17:42:50 +0100 |
---|---|---|
committer | Peter Maydell <peter.maydell@linaro.org> | 2018-06-19 17:42:50 +0100 |
commit | 79449bc311070658122cd54534cd95c1296d94a6 (patch) | |
tree | 49968ef5d30fa07df97263ad9853d5d20c9be3bb /target | |
parent | 727f8d87aaf8588fd6510ce310e61f757d3e7c46 (diff) | |
parent | 46bb0137b8266ab8dedc3b9712f3d246bbd686ba (diff) | |
download | qemu-79449bc311070658122cd54534cd95c1296d94a6.zip qemu-79449bc311070658122cd54534cd95c1296d94a6.tar.gz qemu-79449bc311070658122cd54534cd95c1296d94a6.tar.bz2 |
Merge remote-tracking branch 'remotes/mcayland/tags/qemu-sparc-20180618' into staging
qemu-sparc queue
# gpg: Signature made Mon 18 Jun 2018 18:43:24 BST
# gpg: using RSA key 5BC2C56FAE0F321F
# gpg: Good signature from "Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>"
# Primary key fingerprint: CC62 1AB9 8E82 200D 915C C9C4 5BC2 C56F AE0F 321F
* remotes/mcayland/tags/qemu-sparc-20180618:
SPARC64: add icount support
hw/sparc/sun4m: Fix problems with device introspection
hw/sparc64/sun4u: Fix introspection by converting prom instance_init to realize
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target')
-rw-r--r-- | target/sparc/translate.c | 111 |
1 files changed, 110 insertions, 1 deletions
diff --git a/target/sparc/translate.c b/target/sparc/translate.c index f3d430c..74315cd 100644 --- a/target/sparc/translate.c +++ b/target/sparc/translate.c @@ -41,6 +41,8 @@ #define JUMP_PC 2 /* dynamic pc value which takes only two values according to jump_pc[T2] */ +#define DISAS_EXIT DISAS_TARGET_0 + /* global register indexes */ static TCGv_ptr cpu_regwptr; static TCGv cpu_cc_src, cpu_cc_src2, cpu_cc_dst; @@ -3400,11 +3402,17 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn) r_const = tcg_const_i32(dc->mem_idx); tcg_gen_ld_ptr(r_tickptr, cpu_env, offsetof(CPUSPARCState, tick)); + if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) { + gen_io_start(); + } gen_helper_tick_get_count(cpu_dst, cpu_env, r_tickptr, r_const); tcg_temp_free_ptr(r_tickptr); tcg_temp_free_i32(r_const); gen_store_gpr(dc, rd, cpu_dst); + if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) { + gen_io_end(); + } } break; case 0x5: /* V9 rdpc */ @@ -3447,11 +3455,17 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn) r_const = tcg_const_i32(dc->mem_idx); tcg_gen_ld_ptr(r_tickptr, cpu_env, offsetof(CPUSPARCState, stick)); + if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) { + gen_io_start(); + } gen_helper_tick_get_count(cpu_dst, cpu_env, r_tickptr, r_const); tcg_temp_free_ptr(r_tickptr); tcg_temp_free_i32(r_const); gen_store_gpr(dc, rd, cpu_dst); + if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) { + gen_io_end(); + } } break; case 0x19: /* System tick compare */ @@ -3576,10 +3590,16 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn) r_const = tcg_const_i32(dc->mem_idx); tcg_gen_ld_ptr(r_tickptr, cpu_env, offsetof(CPUSPARCState, tick)); + if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) { + gen_io_start(); + } gen_helper_tick_get_count(cpu_tmp0, cpu_env, r_tickptr, r_const); tcg_temp_free_ptr(r_tickptr); tcg_temp_free_i32(r_const); + if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) { + gen_io_end(); + } } break; case 5: // tba @@ -4385,9 +4405,19 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn) r_tickptr = tcg_temp_new_ptr(); tcg_gen_ld_ptr(r_tickptr, cpu_env, offsetof(CPUSPARCState, tick)); + if (tb_cflags(dc->base.tb) & + CF_USE_ICOUNT) { + gen_io_start(); + } gen_helper_tick_set_limit(r_tickptr, cpu_tick_cmpr); tcg_temp_free_ptr(r_tickptr); + if (tb_cflags(dc->base.tb) & + CF_USE_ICOUNT) { + gen_io_end(); + } + /* End TB to handle timer interrupt */ + dc->base.is_jmp = DISAS_EXIT; } break; case 0x18: /* System tick */ @@ -4403,9 +4433,19 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn) r_tickptr = tcg_temp_new_ptr(); tcg_gen_ld_ptr(r_tickptr, cpu_env, offsetof(CPUSPARCState, stick)); + if (tb_cflags(dc->base.tb) & + CF_USE_ICOUNT) { + gen_io_start(); + } gen_helper_tick_set_count(r_tickptr, cpu_tmp0); tcg_temp_free_ptr(r_tickptr); + if (tb_cflags(dc->base.tb) & + CF_USE_ICOUNT) { + gen_io_end(); + } + /* End TB to handle timer interrupt */ + dc->base.is_jmp = DISAS_EXIT; } break; case 0x19: /* System tick compare */ @@ -4421,9 +4461,19 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn) r_tickptr = tcg_temp_new_ptr(); tcg_gen_ld_ptr(r_tickptr, cpu_env, offsetof(CPUSPARCState, stick)); + if (tb_cflags(dc->base.tb) & + CF_USE_ICOUNT) { + gen_io_start(); + } gen_helper_tick_set_limit(r_tickptr, cpu_stick_cmpr); tcg_temp_free_ptr(r_tickptr); + if (tb_cflags(dc->base.tb) & + CF_USE_ICOUNT) { + gen_io_end(); + } + /* End TB to handle timer interrupt */ + dc->base.is_jmp = DISAS_EXIT; } break; @@ -4531,9 +4581,19 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn) r_tickptr = tcg_temp_new_ptr(); tcg_gen_ld_ptr(r_tickptr, cpu_env, offsetof(CPUSPARCState, tick)); + if (tb_cflags(dc->base.tb) & + CF_USE_ICOUNT) { + gen_io_start(); + } gen_helper_tick_set_count(r_tickptr, cpu_tmp0); tcg_temp_free_ptr(r_tickptr); + if (tb_cflags(dc->base.tb) & + CF_USE_ICOUNT) { + gen_io_end(); + } + /* End TB to handle timer interrupt */ + dc->base.is_jmp = DISAS_EXIT; } break; case 5: // tba @@ -4541,7 +4601,13 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn) break; case 6: // pstate save_state(dc); + if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) { + gen_io_start(); + } gen_helper_wrpstate(cpu_env, cpu_tmp0); + if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) { + gen_io_end(); + } dc->npc = DYNAMIC_PC; break; case 7: // tl @@ -4551,7 +4617,13 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn) dc->npc = DYNAMIC_PC; break; case 8: // pil + if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) { + gen_io_start(); + } gen_helper_wrpil(cpu_env, cpu_tmp0); + if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) { + gen_io_end(); + } break; case 9: // cwp gen_helper_wrcwp(cpu_env, cpu_tmp0); @@ -4642,9 +4714,19 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn) r_tickptr = tcg_temp_new_ptr(); tcg_gen_ld_ptr(r_tickptr, cpu_env, offsetof(CPUSPARCState, hstick)); + if (tb_cflags(dc->base.tb) & + CF_USE_ICOUNT) { + gen_io_start(); + } gen_helper_tick_set_limit(r_tickptr, cpu_hstick_cmpr); tcg_temp_free_ptr(r_tickptr); + if (tb_cflags(dc->base.tb) & + CF_USE_ICOUNT) { + gen_io_end(); + } + /* End TB to handle timer interrupt */ + dc->base.is_jmp = DISAS_EXIT; } break; case 6: // hver readonly @@ -5265,14 +5347,26 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn) goto priv_insn; dc->npc = DYNAMIC_PC; dc->pc = DYNAMIC_PC; + if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) { + gen_io_start(); + } gen_helper_done(cpu_env); + if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) { + gen_io_end(); + } goto jmp_insn; case 1: if (!supervisor(dc)) goto priv_insn; dc->npc = DYNAMIC_PC; dc->pc = DYNAMIC_PC; + if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) { + gen_io_start(); + } gen_helper_retry(cpu_env); + if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) { + gen_io_end(); + } goto jmp_insn; default: goto illegal_insn; @@ -5822,7 +5916,9 @@ static void sparc_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs) { DisasContext *dc = container_of(dcbase, DisasContext, base); - if (dc->base.is_jmp != DISAS_NORETURN) { + switch (dc->base.is_jmp) { + case DISAS_NEXT: + case DISAS_TOO_MANY: if (dc->pc != DYNAMIC_PC && (dc->npc != DYNAMIC_PC && dc->npc != JUMP_PC)) { /* static PC and NPC: we can use direct chaining */ @@ -5834,6 +5930,19 @@ static void sparc_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs) save_npc(dc); tcg_gen_exit_tb(NULL, 0); } + break; + + case DISAS_NORETURN: + break; + + case DISAS_EXIT: + /* Exit TB */ + save_state(dc); + tcg_gen_exit_tb(NULL, 0); + break; + + default: + g_assert_not_reached(); } } |