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| author | Richard Henderson <richard.henderson@linaro.org> | 2023-10-04 18:52:38 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-10-25 01:01:13 -0700 |
| commit | d38258003138a42b0aaaf0e1053c7925e54a1635 (patch) | |
| tree | df3ea05de9d1739cc6f5ea77bfc8041ea04f6902 /target | |
| parent | 86b82fe021f46ed4501b16132f7e3fccd0a1ad5d (diff) | |
| download | qemu-d38258003138a42b0aaaf0e1053c7925e54a1635.zip qemu-d38258003138a42b0aaaf0e1053c7925e54a1635.tar.gz qemu-d38258003138a42b0aaaf0e1053c7925e54a1635.tar.bz2 | |
target/sparc: Move FLUSH, SAVE, RESTORE to decodetree
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target')
| -rw-r--r-- | target/sparc/insns.decode | 4 | ||||
| -rw-r--r-- | target/sparc/translate.c | 35 |
2 files changed, 29 insertions, 10 deletions
diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode index 271789a..aa90b5c 100644 --- a/target/sparc/insns.decode +++ b/target/sparc/insns.decode @@ -223,6 +223,10 @@ JMPL 10 ..... 111000 ..... . ............. @r_r_ri RETT 10 00000 111001 ..... . ............. @n_r_ri RETURN 10 00000 111001 ..... . ............. @n_r_ri } +NOP 10 00000 111011 ----- 0 00000000----- # FLUSH reg+reg +NOP 10 00000 111011 ----- 1 ------------- # FLUSH reg+imm +SAVE 10 ..... 111100 ..... . ............. @r_r_ri +RESTORE 10 ..... 111101 ..... . ............. @r_r_ri NCP 10 ----- 110110 ----- --------- ----- # v8 CPop1 NCP 10 ----- 110111 ----- --------- ----- # v8 CPop2 diff --git a/target/sparc/translate.c b/target/sparc/translate.c index 91de0b1..e0a13e5 100644 --- a/target/sparc/translate.c +++ b/target/sparc/translate.c @@ -4077,6 +4077,11 @@ static bool do_saved_restored(DisasContext *dc, bool saved) TRANS(SAVED, 64, do_saved_restored, true) TRANS(RESTORED, 64, do_saved_restored, false) +static bool trans_NOP(DisasContext *dc, arg_NOP *a) +{ + return advance_pc(dc); +} + static bool trans_NOP_v7(DisasContext *dc, arg_NOP_v7 *a) { /* @@ -4457,6 +4462,24 @@ static bool do_return(DisasContext *dc, int rd, TCGv src) TRANS(RETURN, 64, do_add_special, a, do_return) +static bool do_save(DisasContext *dc, int rd, TCGv src) +{ + gen_helper_save(tcg_env); + gen_store_gpr(dc, rd, src); + return advance_pc(dc); +} + +TRANS(SAVE, ALL, do_add_special, a, do_save) + +static bool do_restore(DisasContext *dc, int rd, TCGv src) +{ + gen_helper_restore(tcg_env); + gen_store_gpr(dc, rd, src); + return advance_pc(dc); +} + +TRANS(RESTORE, ALL, do_add_special, a, do_restore) + #define CHECK_IU_FEATURE(dc, FEATURE) \ if (!((dc)->def->features & CPU_FEATURE_ ## FEATURE)) \ goto illegal_insn; @@ -5272,18 +5295,10 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn) switch (xop) { case 0x38: /* jmpl */ case 0x39: /* rett, V9 return */ - g_assert_not_reached(); /* in decode tree */ - case 0x3b: /* flush */ - /* nop */ - break; + case 0x3b: /* flush */ case 0x3c: /* save */ - gen_helper_save(tcg_env); - gen_store_gpr(dc, rd, cpu_tmp0); - break; case 0x3d: /* restore */ - gen_helper_restore(tcg_env); - gen_store_gpr(dc, rd, cpu_tmp0); - break; + g_assert_not_reached(); /* in decode tree */ #if !defined(CONFIG_USER_ONLY) && defined(TARGET_SPARC64) case 0x3e: /* V9 done/retry */ { |