From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: mark.cave-ayland@ilande.co.uk
Subject: [PATCH v4 50/90] target/sparc: Move LDSTUB, LDSTUBA to decodetree
Date: Sat, 21 Oct 2023 22:59:51 -0700 [thread overview]
Message-ID: <20231022060031.490251-51-richard.henderson@linaro.org> (raw)
In-Reply-To: <20231022060031.490251-1-richard.henderson@linaro.org>
Remove gen_ldstub_asi.
Rename gen_ldstub_asi0 to gen_ldstub_asi.
Merge gen_ldstub into gen_ldstub_asi.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/sparc/insns.decode | 4 ++++
target/sparc/translate.c | 46 +++++++++++++++++++--------------------
2 files changed, 26 insertions(+), 24 deletions(-)
diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode
index 280b19f033..2f950000b5 100644
--- a/target/sparc/insns.decode
+++ b/target/sparc/insns.decode
@@ -284,6 +284,10 @@ STD 11 ..... 010111 ..... . ............. @r_r_i_asi # STDA
STX 11 ..... 011110 ..... . ............. @r_r_r_asi # STXA
STX 11 ..... 011110 ..... . ............. @r_r_i_asi # STXA
+LDSTUB 11 ..... 001101 ..... . ............. @r_r_ri_na
+LDSTUB 11 ..... 011101 ..... . ............. @r_r_r_asi # LDSTUBA
+LDSTUB 11 ..... 011101 ..... . ............. @r_r_i_asi # LDSTUBA
+
NCP 10 ----- 110110 ----- --------- ----- # v8 CPop1
NCP 10 ----- 110111 ----- --------- ----- # v8 CPop2
diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index 7af95df66f..cba453e5ff 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -1891,13 +1891,6 @@ static void gen_swap(DisasContext *dc, TCGv dst, TCGv src,
tcg_gen_atomic_xchg_tl(dst, addr, src, mmu_idx, memop | MO_ALIGN);
}
-static void gen_ldstub(DisasContext *dc, TCGv dst, TCGv addr, int mmu_idx)
-{
- TCGv m1 = tcg_constant_tl(0xff);
- gen_address_mask(dc, addr);
- tcg_gen_atomic_xchg_tl(dst, addr, m1, mmu_idx, MO_UB);
-}
-
/* asi moves */
typedef enum {
GET_ASI_HELPER,
@@ -2316,13 +2309,14 @@ gen_casx_asi(DisasContext *dc, TCGv addr, TCGv cmpv, int insn, int rd)
gen_store_gpr(dc, rd, oldv);
}
-static void gen_ldstub_asi0(DisasContext *dc, DisasASI *da, TCGv dst, TCGv addr)
+static void gen_ldstub_asi(DisasContext *dc, DisasASI *da, TCGv dst, TCGv addr)
{
switch (da->type) {
case GET_ASI_EXCP:
break;
case GET_ASI_DIRECT:
- gen_ldstub(dc, dst, addr, da->mem_idx);
+ tcg_gen_atomic_xchg_tl(dst, addr, tcg_constant_tl(0xff),
+ da->mem_idx, MO_UB);
break;
default:
/* ??? In theory, this should be raise DAE_invalid_asi.
@@ -2350,15 +2344,6 @@ static void gen_ldstub_asi0(DisasContext *dc, DisasASI *da, TCGv dst, TCGv addr)
}
}
-static void __attribute__((unused))
-gen_ldstub_asi(DisasContext *dc, TCGv dst, TCGv addr, int insn)
-{
- DisasASI da = get_asi(dc, insn, MO_UB);
-
- gen_address_mask(dc, addr);
- gen_ldstub_asi0(dc, &da, dst, addr);
-}
-
static void __attribute__((unused))
gen_ldf_asi(DisasContext *dc, TCGv addr, int insn, int size, int rd)
{
@@ -4764,6 +4749,23 @@ static bool trans_STD(DisasContext *dc, arg_r_r_ri_asi *a)
return advance_pc(dc);
}
+static bool trans_LDSTUB(DisasContext *dc, arg_r_r_ri_asi *a)
+{
+ TCGv addr, reg;
+ DisasASI da;
+
+ addr = gen_ldst_addr(dc, a->rs1, a->imm, a->rs2_or_imm);
+ if (addr == NULL) {
+ return false;
+ }
+ da = resolve_asi(dc, a->asi, MO_UB);
+
+ reg = gen_dest_gpr(dc, a->rd);
+ gen_ldstub_asi(dc, &da, reg, addr);
+ gen_store_gpr(dc, a->rd, reg);
+ return advance_pc(dc);
+}
+
#define CHECK_IU_FEATURE(dc, FEATURE) \
if (!((dc)->def->features & CPU_FEATURE_ ## FEATURE)) \
goto illegal_insn;
@@ -5592,21 +5594,20 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn)
case 0x3: /* ldd, load double word */
case 0x9: /* ldsb, load signed byte */
case 0xa: /* ldsh, load signed halfword */
+ case 0xd: /* ldstub */
case 0x10: /* lda, V9 lduwa, load word alternate */
case 0x11: /* lduba, load unsigned byte alternate */
case 0x12: /* lduha, load unsigned halfword alternate */
case 0x13: /* ldda, load double word alternate */
case 0x19: /* ldsba, load signed byte alternate */
case 0x1a: /* ldsha, load signed halfword alternate */
+ case 0x1d: /* ldstuba */
g_assert_not_reached(); /* in decodetree */
case 0x08: /* V9 ldsw */
case 0x0b: /* V9 ldx */
case 0x18: /* V9 ldswa */
case 0x1b: /* V9 ldxa */
goto illegal_insn; /* in decodetree */
- case 0xd: /* ldstub */
- gen_ldstub(dc, cpu_val, cpu_addr, dc->mem_idx);
- break;
case 0x0f:
/* swap, swap register with memory. Also atomically */
cpu_src1 = gen_load_gpr(dc, rd);
@@ -5614,9 +5615,6 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn)
dc->mem_idx, MO_TEUL);
break;
#if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
- case 0x1d: /* ldstuba -- XXX: should be atomically */
- gen_ldstub_asi(dc, cpu_val, cpu_addr, insn);
- break;
case 0x1f: /* swapa, swap reg with alt. memory. Also
atomically */
cpu_src1 = gen_load_gpr(dc, rd);
--
2.34.1
next prev parent reply other threads:[~2023-10-22 6:14 UTC|newest]
Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-22 5:59 [PATCH v4 00/90] target/sparc: Convert to decodetree Richard Henderson
2023-10-22 5:59 ` [PATCH v4 01/90] target/sparc: Clear may_lookup for npc == DYNAMIC_PC Richard Henderson
2023-10-22 5:59 ` [PATCH v4 02/90] target/sparc: Implement check_align inline Richard Henderson
2023-10-22 5:59 ` [PATCH v4 03/90] target/sparc: Avoid helper_raise_exception in helper_st_asi Richard Henderson
2023-10-22 5:59 ` [PATCH v4 04/90] target/sparc: Set TCG_GUEST_DEFAULT_MO Richard Henderson
2023-10-22 5:59 ` [PATCH v4 05/90] configs: Enable MTTCG for sparc, sparc64 Richard Henderson
2023-10-22 5:59 ` [PATCH v4 06/90] target/sparc: Define features via cpu-feature.h.inc Richard Henderson
2023-10-22 5:59 ` [PATCH v4 07/90] target/sparc: Use CPU_FEATURE_BIT_* for cpu properties Richard Henderson
2023-10-22 5:59 ` [PATCH v4 08/90] target/sparc: Remove sparcv7 cpu features Richard Henderson
2023-10-22 5:59 ` [PATCH v4 09/90] target/sparc: Add decodetree infrastructure Richard Henderson
2023-10-22 5:59 ` [PATCH v4 10/90] target/sparc: Define AM_CHECK for sparc32 Richard Henderson
2023-10-22 5:59 ` [PATCH v4 11/90] target/sparc: Move CALL to decodetree Richard Henderson
2023-10-22 5:59 ` [PATCH v4 12/90] target/sparc: Move BPcc and Bicc " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 13/90] target/sparc: Move BPr " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 14/90] target/sparc: Move FBPfcc and FBfcc " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 15/90] target/sparc: Merge gen_cond with only caller Richard Henderson
2023-10-22 5:59 ` [PATCH v4 16/90] target/sparc: Merge gen_fcond " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 17/90] target/sparc: Merge gen_branch_[an] " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 18/90] target/sparc: Pass DisasCompare to advance_jump_cond Richard Henderson
2023-10-22 5:59 ` [PATCH v4 19/90] target/sparc: Move SETHI to decodetree Richard Henderson
2023-10-22 5:59 ` [PATCH v4 20/90] target/sparc: Move Tcc " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 21/90] target/sparc: Move RDASR, STBAR, MEMBAR " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 22/90] target/sparc: Move RDPSR, RDHPR " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 23/90] target/sparc: Move RDWIM, RDPR " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 24/90] target/sparc: Move RDTBR, FLUSHW " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 25/90] target/sparc: Move WRASR " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 26/90] target/sparc: Move WRPSR, SAVED, RESTORED " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 27/90] target/sparc: Move WRWIM, WRPR " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 28/90] target/sparc: Move WRTBR, WRHPR " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 29/90] target/sparc: Move basic arithmetic " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 30/90] target/sparc: Move ADDC " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 31/90] target/sparc: Move MULX " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 32/90] target/sparc: Move UMUL, SMUL " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 33/90] target/sparc: Move SUBC " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 34/90] target/sparc: Move UDIVX, SDIVX " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 35/90] target/sparc: Move UDIV, SDIV " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 36/90] target/sparc: Move TADD, TSUB, MULS " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 37/90] target/sparc: Move SLL, SRL, SRA " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 38/90] target/sparc: Move MOVcc, MOVR " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 39/90] target/sparc: Move POPC " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 40/90] target/sparc: Convert remaining v8 coproc insns " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 41/90] target/sparc: Move JMPL, RETT, RETURN " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 42/90] target/sparc: Move FLUSH, SAVE, RESTORE " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 43/90] target/sparc: Move DONE, RETRY " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 44/90] target/sparc: Split out resolve_asi Richard Henderson
2023-10-22 5:59 ` [PATCH v4 45/90] target/sparc: Drop ifdef around get_asi and friends Richard Henderson
2023-10-22 5:59 ` [PATCH v4 46/90] target/sparc: Split out ldst functions with asi pre-computed Richard Henderson
2023-10-22 5:59 ` [PATCH v4 47/90] target/sparc: Use tcg_gen_qemu_{ld, st}_i128 for GET_ASI_DTWINX Richard Henderson
2023-10-22 5:59 ` [PATCH v4 48/90] target/sparc: Move simple integer load/store to decodetree Richard Henderson
2023-10-22 5:59 ` [PATCH v4 49/90] target/sparc: Move asi " Richard Henderson
2023-10-22 5:59 ` Richard Henderson [this message]
2023-10-22 5:59 ` [PATCH v4 51/90] target/sparc: Move SWAP, SWAPA " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 52/90] target/sparc: Move CASA, CASXA " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 53/90] target/sparc: Move PREFETCH, PREFETCHA " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 54/90] target/sparc: Split out fp ldst functions with asi precomputed Richard Henderson
2023-10-22 5:59 ` [PATCH v4 55/90] target/sparc: Move simple fp load/store to decodetree Richard Henderson
2023-10-22 5:59 ` [PATCH v4 56/90] target/sparc: Move asi " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 57/90] target/sparc: Move LDFSR, STFSR " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 58/90] target/sparc: Merge LDFSR, LDXFSR implementations Richard Henderson
2023-10-22 6:00 ` [PATCH v4 59/90] target/sparc: Move EDGE* to decodetree Richard Henderson
2023-10-22 6:00 ` [PATCH v4 60/90] target/sparc: Move ARRAY* " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 61/90] target/sparc: Move ADDRALIGN* " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 62/90] target/sparc: Move BMASK " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 63/90] target/sparc: Move FMOVS, FNEGS, FABSS, FSRC*S, FNOT*S " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 64/90] target/sparc: Move FMOVD, FNEGD, FABSD, FSRC*D, FNOT*D " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 65/90] target/sparc: Use tcg_gen_vec_{add,sub}* Richard Henderson
2023-10-22 6:00 ` [PATCH v4 66/90] target/sparc: Move gen_ne_fop_FFF insns to decodetree Richard Henderson
2023-10-22 6:00 ` [PATCH v4 67/90] target/sparc: Move gen_ne_fop_DDD " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 68/90] target/sparc: Move PDIST " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 69/90] target/sparc: Move gen_gsr_fop_DDD insns " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 70/90] target/sparc: Move gen_fop_FF " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 71/90] target/sparc: Move gen_fop_DD " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 72/90] target/sparc: Move FSQRTq " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 73/90] target/sparc: Move gen_fop_FFF insns " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 74/90] target/sparc: Move gen_fop_DDD " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 75/90] target/sparc: Move gen_fop_QQQ " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 76/90] target/sparc: Move FSMULD " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 77/90] target/sparc: Move FDMULQ " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 78/90] target/sparc: Move gen_fop_FD insns " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 79/90] target/sparc: Move FiTOd, FsTOd, FsTOx " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 80/90] target/sparc: Move FqTOs, FqTOi " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 81/90] target/sparc: Move FqTOd, FqTOx " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 82/90] target/sparc: Move FiTOq, FsTOq " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 83/90] target/sparc: Move FdTOq, FxTOq " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 84/90] target/sparc: Move FMOVq, FNEGq, FABSq " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 85/90] target/sparc: Move FMOVR, FMOVcc, FMOVfcc " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 86/90] target/sparc: Convert FCMP, FCMPE " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 87/90] target/sparc: Move FPCMP* " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 88/90] target/sparc: Move FPACK16, FPACKFIX " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 89/90] target/sparc: Convert FZERO, FONE " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 90/90] target/sparc: Remove disas_sparc_legacy Richard Henderson
2023-10-22 12:44 ` [PATCH v4 00/90] target/sparc: Convert to decodetree Mark Cave-Ayland
2023-10-22 17:10 ` Richard Henderson
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