@@ -231,6 +231,28 @@ RESTORE 10 ..... 111101 ..... . ............. @r_r_ri
DONE 10 00000 111110 00000 0 0000000000000
RETRY 10 00001 111110 00000 0 0000000000000
+##
+## Major Opcode 11 -- load and store instructions
+##
+
+&r_r_ri_asi rd rs1 rs2_or_imm asi imm:bool
+@r_r_ri_na .. rd:5 ...... rs1:5 imm:1 rs2_or_imm:s13 &r_r_ri_asi asi=-1
+
+LDUW 11 ..... 000000 ..... . ............. @r_r_ri_na
+LDUB 11 ..... 000001 ..... . ............. @r_r_ri_na
+LDUH 11 ..... 000010 ..... . ............. @r_r_ri_na
+LDD 11 ..... 000011 ..... . ............. @r_r_ri_na
+LDSW 11 ..... 001000 ..... . ............. @r_r_ri_na
+LDSB 11 ..... 001001 ..... . ............. @r_r_ri_na
+LDSH 11 ..... 001010 ..... . ............. @r_r_ri_na
+LDX 11 ..... 001011 ..... . ............. @r_r_ri_na
+
+STW 11 ..... 000100 ..... . ............. @r_r_ri_na
+STB 11 ..... 000101 ..... . ............. @r_r_ri_na
+STH 11 ..... 000110 ..... . ............. @r_r_ri_na
+STD 11 ..... 000111 ..... . ............. @r_r_ri_na
+STX 11 ..... 001110 ..... . ............. @r_r_ri_na
+
NCP 10 ----- 110110 ----- --------- ----- # v8 CPop1
NCP 10 ----- 110111 ----- --------- ----- # v8 CPop2
@@ -4536,6 +4536,117 @@ static bool do_done_retry(DisasContext *dc, bool done)
TRANS(DONE, 64, do_done_retry, true)
TRANS(RETRY, 64, do_done_retry, false)
+/*
+ * Major opcode 11 -- load and store instructions
+ */
+
+static TCGv gen_ldst_addr(DisasContext *dc, int rs1, bool imm, int rs2_or_imm)
+{
+ TCGv addr, tmp = NULL;
+
+ /* For simplicity, we under-decoded the rs2 form. */
+ if (!imm && rs2_or_imm & ~0x1f) {
+ return NULL;
+ }
+
+ addr = gen_load_gpr(dc, rs1);
+ if (rs2_or_imm) {
+ tmp = tcg_temp_new();
+ if (imm) {
+ tcg_gen_addi_tl(tmp, addr, rs2_or_imm);
+ } else {
+ tcg_gen_add_tl(tmp, addr, cpu_regs[rs2_or_imm]);
+ }
+ addr = tmp;
+ }
+ if (AM_CHECK(dc)) {
+ if (!tmp) {
+ tmp = tcg_temp_new();
+ }
+ tcg_gen_ext32u_tl(tmp, addr);
+ addr = tmp;
+ }
+ return addr;
+}
+
+static bool do_ld_gpr(DisasContext *dc, arg_r_r_ri_asi *a, MemOp mop)
+{
+ TCGv reg, addr = gen_ldst_addr(dc, a->rs1, a->imm, a->rs2_or_imm);
+ DisasASI da;
+
+ if (addr == NULL) {
+ return false;
+ }
+ da = resolve_asi(dc, a->asi, mop);
+
+ reg = gen_dest_gpr(dc, a->rd);
+ gen_ld_asi0(dc, &da, reg, addr);
+ gen_store_gpr(dc, a->rd, reg);
+ return advance_pc(dc);
+}
+
+TRANS(LDUW, ALL, do_ld_gpr, a, MO_TEUL)
+TRANS(LDUB, ALL, do_ld_gpr, a, MO_UB)
+TRANS(LDUH, ALL, do_ld_gpr, a, MO_TEUW)
+TRANS(LDSB, ALL, do_ld_gpr, a, MO_SB)
+TRANS(LDSH, ALL, do_ld_gpr, a, MO_TESW)
+TRANS(LDSW, 64, do_ld_gpr, a, MO_TESL)
+TRANS(LDX, 64, do_ld_gpr, a, MO_TEUQ)
+
+static bool do_st_gpr(DisasContext *dc, arg_r_r_ri_asi *a, MemOp mop)
+{
+ TCGv reg, addr = gen_ldst_addr(dc, a->rs1, a->imm, a->rs2_or_imm);
+ DisasASI da;
+
+ if (addr == NULL) {
+ return false;
+ }
+ da = resolve_asi(dc, a->asi, mop);
+
+ reg = gen_load_gpr(dc, a->rd);
+ gen_st_asi0(dc, &da, reg, addr);
+ return advance_pc(dc);
+}
+
+TRANS(STW, ALL, do_st_gpr, a, MO_TEUL)
+TRANS(STB, ALL, do_st_gpr, a, MO_UB)
+TRANS(STH, ALL, do_st_gpr, a, MO_TEUW)
+TRANS(STX, 64, do_st_gpr, a, MO_TEUQ)
+
+static bool trans_LDD(DisasContext *dc, arg_r_r_ri_asi *a)
+{
+ TCGv addr;
+ DisasASI da;
+
+ if (a->rd & 1) {
+ return false;
+ }
+ 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_TEUQ);
+ gen_ldda_asi0(dc, &da, addr, a->rd);
+ return advance_pc(dc);
+}
+
+static bool trans_STD(DisasContext *dc, arg_r_r_ri_asi *a)
+{
+ TCGv addr;
+ DisasASI da;
+
+ if (a->rd & 1) {
+ return false;
+ }
+ 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_TEUQ);
+ gen_stda_asi0(dc, &da, addr, a->rd);
+ return advance_pc(dc);
+}
+
#define CHECK_IU_FEATURE(dc, FEATURE) \
if (!((dc)->def->features & CPU_FEATURE_ ## FEATURE)) \
goto illegal_insn;
@@ -5359,47 +5470,15 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn)
switch (xop) {
case 0x0: /* ld, V9 lduw, load unsigned word */
- gen_address_mask(dc, cpu_addr);
- tcg_gen_qemu_ld_tl(cpu_val, cpu_addr,
- dc->mem_idx, MO_TEUL | MO_ALIGN);
- break;
case 0x1: /* ldub, load unsigned byte */
- gen_address_mask(dc, cpu_addr);
- tcg_gen_qemu_ld_tl(cpu_val, cpu_addr,
- dc->mem_idx, MO_UB);
- break;
case 0x2: /* lduh, load unsigned halfword */
- gen_address_mask(dc, cpu_addr);
- tcg_gen_qemu_ld_tl(cpu_val, cpu_addr,
- dc->mem_idx, MO_TEUW | MO_ALIGN);
- break;
case 0x3: /* ldd, load double word */
- if (rd & 1)
- goto illegal_insn;
- else {
- TCGv_i64 t64;
-
- gen_address_mask(dc, cpu_addr);
- t64 = tcg_temp_new_i64();
- tcg_gen_qemu_ld_i64(t64, cpu_addr,
- dc->mem_idx, MO_TEUQ | MO_ALIGN);
- tcg_gen_trunc_i64_tl(cpu_val, t64);
- tcg_gen_ext32u_tl(cpu_val, cpu_val);
- gen_store_gpr(dc, rd + 1, cpu_val);
- tcg_gen_shri_i64(t64, t64, 32);
- tcg_gen_trunc_i64_tl(cpu_val, t64);
- tcg_gen_ext32u_tl(cpu_val, cpu_val);
- }
- break;
case 0x9: /* ldsb, load signed byte */
- gen_address_mask(dc, cpu_addr);
- tcg_gen_qemu_ld_tl(cpu_val, cpu_addr, dc->mem_idx, MO_SB);
- break;
case 0xa: /* ldsh, load signed halfword */
- gen_address_mask(dc, cpu_addr);
- tcg_gen_qemu_ld_tl(cpu_val, cpu_addr,
- dc->mem_idx, MO_TESW | MO_ALIGN);
- break;
+ g_assert_not_reached(); /* in decodetree */
+ case 0x08: /* V9 ldsw */
+ case 0x0b: /* V9 ldx */
+ goto illegal_insn; /* in decodetree */
case 0xd: /* ldstub */
gen_ldstub(dc, cpu_val, cpu_addr, dc->mem_idx);
break;
@@ -5441,16 +5520,6 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn)
break;
#endif
#ifdef TARGET_SPARC64
- case 0x08: /* V9 ldsw */
- gen_address_mask(dc, cpu_addr);
- tcg_gen_qemu_ld_tl(cpu_val, cpu_addr,
- dc->mem_idx, MO_TESL | MO_ALIGN);
- break;
- case 0x0b: /* V9 ldx */
- gen_address_mask(dc, cpu_addr);
- tcg_gen_qemu_ld_tl(cpu_val, cpu_addr,
- dc->mem_idx, MO_TEUQ | MO_ALIGN);
- break;
case 0x18: /* V9 ldswa */
gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_TESL);
break;
@@ -5543,38 +5612,18 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn)
}
} else if (xop < 8 || (xop >= 0x14 && xop < 0x18) ||
xop == 0xe || xop == 0x1e) {
+#if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
TCGv cpu_val = gen_load_gpr(dc, rd);
+#endif
switch (xop) {
case 0x4: /* st, store word */
- gen_address_mask(dc, cpu_addr);
- tcg_gen_qemu_st_tl(cpu_val, cpu_addr,
- dc->mem_idx, MO_TEUL | MO_ALIGN);
- break;
case 0x5: /* stb, store byte */
- gen_address_mask(dc, cpu_addr);
- tcg_gen_qemu_st_tl(cpu_val, cpu_addr, dc->mem_idx, MO_UB);
- break;
case 0x6: /* sth, store halfword */
- gen_address_mask(dc, cpu_addr);
- tcg_gen_qemu_st_tl(cpu_val, cpu_addr,
- dc->mem_idx, MO_TEUW | MO_ALIGN);
- break;
case 0x7: /* std, store double word */
- if (rd & 1)
- goto illegal_insn;
- else {
- TCGv_i64 t64;
- TCGv lo;
-
- gen_address_mask(dc, cpu_addr);
- lo = gen_load_gpr(dc, rd + 1);
- t64 = tcg_temp_new_i64();
- tcg_gen_concat_tl_i64(t64, lo, cpu_val);
- tcg_gen_qemu_st_i64(t64, cpu_addr,
- dc->mem_idx, MO_TEUQ | MO_ALIGN);
- }
- break;
+ g_assert_not_reached(); /* in decodetree */
+ case 0x0e: /* V9 stx */
+ goto illegal_insn; /* in decodetree */
#if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
case 0x14: /* sta, V9 stwa, store word alternate */
gen_st_asi(dc, cpu_val, cpu_addr, insn, MO_TEUL);
@@ -5593,11 +5642,6 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn)
break;
#endif
#ifdef TARGET_SPARC64
- case 0x0e: /* V9 stx */
- gen_address_mask(dc, cpu_addr);
- tcg_gen_qemu_st_tl(cpu_val, cpu_addr,
- dc->mem_idx, MO_TEUQ | MO_ALIGN);
- break;
case 0x1e: /* V9 stxa */
gen_st_asi(dc, cpu_val, cpu_addr, insn, MO_TEUQ);
break;