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[PATCH v3 42/90] target/sparc: Move FLUSH, SAVE, RESTORE to decodetree
From: |
Richard Henderson |
Subject: |
[PATCH v3 42/90] target/sparc: Move FLUSH, SAVE, RESTORE to decodetree |
Date: |
Fri, 20 Oct 2023 22:31:10 -0700 |
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/sparc/insns.decode | 4 ++++
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 c2bf5f78e3..629547326b 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 51c267f019..a3ac95fba2 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -4172,6 +4172,11 @@ static bool do_saved_restored(DisasContext *dc, void
(*func)(TCGv_env))
TRANS(SAVED, 64, do_saved_restored, gen_helper_saved)
TRANS(RESTORED, 64, do_saved_restored, gen_helper_restored)
+static bool trans_NOP(DisasContext *dc, arg_NOP *a)
+{
+ return advance_pc(dc);
+}
+
static bool trans_NOP_v7(DisasContext *dc, arg_NOP_v7 *a)
{
/*
@@ -4560,6 +4565,24 @@ 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;
@@ -5375,18 +5398,10 @@ 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 */
{
--
2.34.1
- [PATCH v3 22/90] target/sparc: Move RDPSR, RDHPR to decodetree, (continued)
- [PATCH v3 22/90] target/sparc: Move RDPSR, RDHPR to decodetree, Richard Henderson, 2023/10/21
- [PATCH v3 24/90] target/sparc: Move RDTBR, FLUSHW to decodetree, Richard Henderson, 2023/10/21
- [PATCH v3 25/90] target/sparc: Move WRASR to decodetree, Richard Henderson, 2023/10/21
- [PATCH v3 29/90] target/sparc: Move basic arithmetic to decodetree, Richard Henderson, 2023/10/21
- [PATCH v3 32/90] target/sparc: Move UMUL, SMUL to decodetree, Richard Henderson, 2023/10/21
- [PATCH v3 37/90] target/sparc: Move SLL, SRL, SRA to decodetree, Richard Henderson, 2023/10/21
- [PATCH v3 34/90] target/sparc: Move UDIVX, SDIVX to decodetree, Richard Henderson, 2023/10/21
- [PATCH v3 35/90] target/sparc: Move UDIV, SDIV to decodetree, Richard Henderson, 2023/10/21
- [PATCH v3 39/90] target/sparc: Move POPC to decodetree, Richard Henderson, 2023/10/21
- [PATCH v3 40/90] target/sparc: Convert remaining v8 coproc insns to decodetree, Richard Henderson, 2023/10/21
- [PATCH v3 42/90] target/sparc: Move FLUSH, SAVE, RESTORE to decodetree,
Richard Henderson <=
- [PATCH v3 41/90] target/sparc: Move JMPL, RETT, RETURN to decodetree, Richard Henderson, 2023/10/21
- [PATCH v3 46/90] target/sparc: Split out ldst functions with asi pre-computed, Richard Henderson, 2023/10/21
- [PATCH v3 43/90] target/sparc: Move DONE, RETRY to decodetree, Richard Henderson, 2023/10/21
- [PATCH v3 48/90] target/sparc: Move simple integer load/store to decodetree, Richard Henderson, 2023/10/21
- [PATCH v3 59/90] target/sparc: Move EDGE* to decodetree, Richard Henderson, 2023/10/21
- [PATCH v3 60/90] target/sparc: Move ARRAY* to decodetree, Richard Henderson, 2023/10/21
- [PATCH v3 52/90] target/sparc: Move CASA, CASXA to decodetree, Richard Henderson, 2023/10/21
- [PATCH v3 56/90] target/sparc: Move asi fp load/store to decodetree, Richard Henderson, 2023/10/21
- [PATCH v3 64/90] target/sparc: Move FMOVD, FNEGD, FABSD, FSRC*D, FNOT*D to decodetree, Richard Henderson, 2023/10/21
- [PATCH v3 44/90] target/sparc: Split out resolve_asi, Richard Henderson, 2023/10/21