tcg_gen_deposit_i64(regs[reg], regs[reg], v, 32, 32);
}
-static inline void store_reg16(int reg, TCGv_i32 v)
-{
- /* 16 bit register writes keep the upper bytes */
-#if HOST_LONG_BITS == 32
- tcg_gen_deposit_i32(TCGV_LOW(regs[reg]), TCGV_LOW(regs[reg]), v, 0, 16);
-#else
- tcg_gen_deposit_i64(regs[reg], regs[reg],
- MAKE_TCGV_I64(GET_TCGV_I32(v)), 0, 16);
-#endif
-}
-
static inline void store_freg32(int reg, TCGv_i32 v)
{
/* 32 bit register writes keep the lower half */
return tmp;
}
-static void gen_op_movi_cc(DisasContext *s, uint32_t val)
+static inline void gen_op_movi_cc(DisasContext *s, uint32_t val)
{
s->cc_op = CC_OP_CONST0 + val;
}
gen_op_update1_cc_i64(s, CC_OP_NZ, val);
}
+static inline void gen_set_cc_nz_f32(DisasContext *s, TCGv_i64 val)
+{
+ gen_op_update1_cc_i64(s, CC_OP_NZ_F32, val);
+}
+
+static inline void gen_set_cc_nz_f64(DisasContext *s, TCGv_i64 val)
+{
+ gen_op_update1_cc_i64(s, CC_OP_NZ_F64, val);
+}
+
+static inline void gen_set_cc_nz_f128(DisasContext *s, TCGv_i64 vh, TCGv_i64 vl)
+{
+ gen_op_update2_cc_i64(s, CC_OP_NZ_F128, vh, vl);
+}
+
static inline void cmp_32(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2,
enum cc_op cond)
{
gen_op_update1_cc_i64(s, CC_OP_LTGT0_64, val);
}
-static void set_cc_cmp_f32_i64(DisasContext *s, TCGv_i32 v1, TCGv_i64 v2)
-{
- tcg_gen_extu_i32_i64(cc_src, v1);
- tcg_gen_mov_i64(cc_dst, v2);
- tcg_gen_discard_i64(cc_vr);
- s->cc_op = CC_OP_LTGT_F32;
-}
-
-static void gen_set_cc_nz_f32(DisasContext *s, TCGv_i32 v1)
-{
- gen_op_update1_cc_i32(s, CC_OP_NZ_F32, v1);
-}
-
/* CC value is in env->cc_op */
static inline void set_cc_static(DisasContext *s)
{
case CC_OP_COMP_64:
case CC_OP_NZ_F32:
case CC_OP_NZ_F64:
+ case CC_OP_FLOGR:
/* 1 argument */
gen_helper_calc_cc(cc_op, cpu_env, local_cc_op, dummy, cc_dst, dummy);
break;
case CC_OP_LTUGTU_64:
case CC_OP_TM_32:
case CC_OP_TM_64:
- case CC_OP_LTGT_F32:
- case CC_OP_LTGT_F64:
case CC_OP_SLA_32:
case CC_OP_SLA_64:
+ case CC_OP_NZ_F128:
/* 2 arguments */
gen_helper_calc_cc(cc_op, cpu_env, local_cc_op, cc_src, cc_dst, dummy);
break;
account_inline_branch(s, old_cc_op);
break;
+ case CC_OP_FLOGR:
+ switch (mask & 0xa) {
+ case 8: /* src == 0 -> no one bit found */
+ cond = TCG_COND_EQ;
+ break;
+ case 2: /* src != 0 -> one bit found */
+ cond = TCG_COND_NE;
+ break;
+ default:
+ goto do_dynamic;
+ }
+ account_inline_branch(s, old_cc_op);
+ break;
+
default:
do_dynamic:
/* Calculate cc value. */
case CC_OP_LTGT0_64:
case CC_OP_NZ:
+ case CC_OP_FLOGR:
c->u.s64.a = cc_dst;
c->u.s64.b = tcg_const_i64(0);
c->g1 = true;
}
}
-static void gen_op_clc(DisasContext *s, int l, TCGv_i64 s1, TCGv_i64 s2)
+static void disas_b2(CPUS390XState *env, DisasContext *s, int op,
+ uint32_t insn)
{
- TCGv_i64 tmp;
- TCGv_i64 tmp2;
- TCGv_i32 vl;
-
- /* check for simple 32bit or 64bit match */
- switch (l) {
- case 0:
- tmp = tcg_temp_new_i64();
- tmp2 = tcg_temp_new_i64();
-
- tcg_gen_qemu_ld8u(tmp, s1, get_mem_index(s));
- tcg_gen_qemu_ld8u(tmp2, s2, get_mem_index(s));
- cmp_u64(s, tmp, tmp2);
-
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- return;
- case 1:
- tmp = tcg_temp_new_i64();
- tmp2 = tcg_temp_new_i64();
-
- tcg_gen_qemu_ld16u(tmp, s1, get_mem_index(s));
- tcg_gen_qemu_ld16u(tmp2, s2, get_mem_index(s));
- cmp_u64(s, tmp, tmp2);
-
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- return;
- case 3:
- tmp = tcg_temp_new_i64();
- tmp2 = tcg_temp_new_i64();
-
- tcg_gen_qemu_ld32u(tmp, s1, get_mem_index(s));
- tcg_gen_qemu_ld32u(tmp2, s2, get_mem_index(s));
- cmp_u64(s, tmp, tmp2);
-
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- return;
- case 7:
- tmp = tcg_temp_new_i64();
- tmp2 = tcg_temp_new_i64();
-
- tcg_gen_qemu_ld64(tmp, s1, get_mem_index(s));
- tcg_gen_qemu_ld64(tmp2, s2, get_mem_index(s));
- cmp_u64(s, tmp, tmp2);
-
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- return;
- }
+#ifndef CONFIG_USER_ONLY
+ TCGv_i64 tmp, tmp2, tmp3;
+ TCGv_i32 tmp32_1, tmp32_2;
+ int r1, r2;
+ int r3, d2, b2;
- potential_page_fault(s);
- vl = tcg_const_i32(l);
- gen_helper_clc(cc_op, cpu_env, vl, s1, s2);
- tcg_temp_free_i32(vl);
- set_cc_static(s);
-}
+ r1 = (insn >> 4) & 0xf;
+ r2 = insn & 0xf;
-static void disas_e3(CPUS390XState *env, DisasContext* s, int op, int r1,
- int x2, int b2, int d2)
-{
- TCGv_i64 addr, tmp2;
- TCGv_i32 tmp32_1;
+ LOG_DISAS("disas_b2: op 0x%x r1 %d r2 %d\n", op, r1, r2);
- LOG_DISAS("disas_e3: op 0x%x r1 %d x2 %d b2 %d d2 %d\n",
- op, r1, x2, b2, d2);
- addr = get_address(s, x2, b2, d2);
switch (op) {
- case 0xf: /* LRVG R1,D2(X2,B2) [RXE] */
- tmp2 = tcg_temp_new_i64();
- tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
- tcg_gen_bswap64_i64(tmp2, tmp2);
- store_reg(r1, tmp2);
- tcg_temp_free_i64(tmp2);
- break;
- case 0x17: /* LLGT R1,D2(X2,B2) [RXY] */
- tmp2 = tcg_temp_new_i64();
- tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
- tcg_gen_andi_i64(tmp2, tmp2, 0x7fffffffULL);
- store_reg(r1, tmp2);
- tcg_temp_free_i64(tmp2);
- break;
- case 0x1e: /* LRV R1,D2(X2,B2) [RXY] */
- tmp2 = tcg_temp_new_i64();
- tmp32_1 = tcg_temp_new_i32();
- tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
- tcg_gen_trunc_i64_i32(tmp32_1, tmp2);
- tcg_temp_free_i64(tmp2);
- tcg_gen_bswap32_i32(tmp32_1, tmp32_1);
- store_reg32(r1, tmp32_1);
- tcg_temp_free_i32(tmp32_1);
- break;
- case 0x1f: /* LRVH R1,D2(X2,B2) [RXY] */
- tmp2 = tcg_temp_new_i64();
- tmp32_1 = tcg_temp_new_i32();
- tcg_gen_qemu_ld16u(tmp2, addr, get_mem_index(s));
- tcg_gen_trunc_i64_i32(tmp32_1, tmp2);
- tcg_temp_free_i64(tmp2);
- tcg_gen_bswap16_i32(tmp32_1, tmp32_1);
- store_reg16(r1, tmp32_1);
- tcg_temp_free_i32(tmp32_1);
+ case 0x34: /* STCH ? */
+ /* Store Subchannel */
+ check_privileged(s);
+ gen_op_movi_cc(s, 3);
break;
- case 0x3e: /* STRV R1,D2(X2,B2) [RXY] */
+ case 0x46: /* STURA R1,R2 [RRE] */
+ /* Store Using Real Address */
+ check_privileged(s);
+ r1 = (insn >> 4) & 0xf;
+ r2 = insn & 0xf;
tmp32_1 = load_reg32(r1);
- tmp2 = tcg_temp_new_i64();
- tcg_gen_bswap32_i32(tmp32_1, tmp32_1);
- tcg_gen_extu_i32_i64(tmp2, tmp32_1);
- tcg_temp_free_i32(tmp32_1);
- tcg_gen_qemu_st32(tmp2, addr, get_mem_index(s));
- tcg_temp_free_i64(tmp2);
- break;
- default:
- LOG_DISAS("illegal e3 operation 0x%x\n", op);
- gen_illegal_opcode(s);
- break;
- }
- tcg_temp_free_i64(addr);
-}
-
-#ifndef CONFIG_USER_ONLY
-static void disas_e5(CPUS390XState *env, DisasContext* s, uint64_t insn)
-{
- TCGv_i64 tmp, tmp2;
- int op = (insn >> 32) & 0xff;
-
- tmp = get_address(s, 0, (insn >> 28) & 0xf, (insn >> 16) & 0xfff);
- tmp2 = get_address(s, 0, (insn >> 12) & 0xf, insn & 0xfff);
-
- LOG_DISAS("disas_e5: insn %" PRIx64 "\n", insn);
- switch (op) {
- case 0x01: /* TPROT D1(B1),D2(B2) [SSE] */
- /* Test Protection */
+ tmp = load_reg(r2);
potential_page_fault(s);
- gen_helper_tprot(cc_op, tmp, tmp2);
- set_cc_static(s);
- break;
- default:
- LOG_DISAS("illegal e5 operation 0x%x\n", op);
- gen_illegal_opcode(s);
+ gen_helper_stura(cpu_env, tmp, tmp32_1);
+ tcg_temp_free_i32(tmp32_1);
+ tcg_temp_free_i64(tmp);
break;
- }
-
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
-}
-#endif
-
-static void disas_eb(CPUS390XState *env, DisasContext *s, int op, int r1,
- int r3, int b2, int d2)
-{
- TCGv_i64 tmp;
- TCGv_i32 tmp32_1, tmp32_2;
-
- LOG_DISAS("disas_eb: op 0x%x r1 %d r3 %d b2 %d d2 0x%x\n",
- op, r1, r3, b2, d2);
- switch (op) {
- case 0x2c: /* STCMH R1,M3,D2(B2) [RSY] */
- tmp = get_address(s, 0, b2, d2);
+ case 0x50: /* CSP R1,R2 [RRE] */
+ /* Compare And Swap And Purge */
+ check_privileged(s);
+ r1 = (insn >> 4) & 0xf;
+ r2 = insn & 0xf;
tmp32_1 = tcg_const_i32(r1);
- tmp32_2 = tcg_const_i32(r3);
- potential_page_fault(s);
- gen_helper_stcmh(cpu_env, tmp32_1, tmp, tmp32_2);
- tcg_temp_free_i64(tmp);
+ tmp32_2 = tcg_const_i32(r2);
+ gen_helper_csp(cc_op, cpu_env, tmp32_1, tmp32_2);
+ set_cc_static(s);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
-#ifndef CONFIG_USER_ONLY
- case 0x2f: /* LCTLG R1,R3,D2(B2) [RSE] */
- /* Load Control */
+ case 0x5f: /* CHSC ? */
+ /* Channel Subsystem Call */
check_privileged(s);
+ gen_op_movi_cc(s, 3);
+ break;
+ case 0x78: /* STCKE D2(B2) [S] */
+ /* Store Clock Extended */
+ decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
- tmp32_1 = tcg_const_i32(r1);
- tmp32_2 = tcg_const_i32(r3);
potential_page_fault(s);
- gen_helper_lctlg(cpu_env, tmp32_1, tmp, tmp32_2);
+ gen_helper_stcke(cc_op, cpu_env, tmp);
+ set_cc_static(s);
tcg_temp_free_i64(tmp);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i32(tmp32_2);
break;
- case 0x25: /* STCTG R1,R3,D2(B2) [RSE] */
- /* Store Control */
+ case 0x79: /* SACF D2(B2) [S] */
+ /* Set Address Space Control Fast */
check_privileged(s);
+ decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
- tmp32_1 = tcg_const_i32(r1);
- tmp32_2 = tcg_const_i32(r3);
potential_page_fault(s);
- gen_helper_stctg(cpu_env, tmp32_1, tmp, tmp32_2);
+ gen_helper_sacf(cpu_env, tmp);
tcg_temp_free_i64(tmp);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i32(tmp32_2);
+ /* addressing mode has changed, so end the block */
+ s->pc = s->next_pc;
+ update_psw_addr(s);
+ s->is_jmp = DISAS_JUMP;
break;
-#endif
- case 0x30: /* CSG R1,R3,D2(B2) [RSY] */
+ case 0x7d: /* STSI D2,(B2) [S] */
+ check_privileged(s);
+ decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
- tmp32_1 = tcg_const_i32(r1);
- tmp32_2 = tcg_const_i32(r3);
+ tmp32_1 = load_reg32(0);
+ tmp32_2 = load_reg32(1);
potential_page_fault(s);
- /* XXX rewrite in tcg */
- gen_helper_csg(cc_op, cpu_env, tmp32_1, tmp, tmp32_2);
+ gen_helper_stsi(cc_op, cpu_env, tmp, tmp32_1, tmp32_2);
set_cc_static(s);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
- case 0x3e: /* CDSG R1,R3,D2(B2) [RSY] */
+ case 0xb1: /* STFL D2(B2) [S] */
+ /* Store Facility List (CPU features) at 200 */
+ check_privileged(s);
+ tmp2 = tcg_const_i64(0xc0000000);
+ tmp = tcg_const_i64(200);
+ tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s));
+ tcg_temp_free_i64(tmp2);
+ tcg_temp_free_i64(tmp);
+ break;
+ case 0xb2: /* LPSWE D2(B2) [S] */
+ /* Load PSW Extended */
+ check_privileged(s);
+ decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
- tmp32_1 = tcg_const_i32(r1);
- tmp32_2 = tcg_const_i32(r3);
+ tmp2 = tcg_temp_new_i64();
+ tmp3 = tcg_temp_new_i64();
+ tcg_gen_qemu_ld64(tmp2, tmp, get_mem_index(s));
+ tcg_gen_addi_i64(tmp, tmp, 8);
+ tcg_gen_qemu_ld64(tmp3, tmp, get_mem_index(s));
+ gen_helper_load_psw(cpu_env, tmp2, tmp3);
+ /* we need to keep cc_op intact */
+ s->is_jmp = DISAS_JUMP;
+ tcg_temp_free_i64(tmp);
+ tcg_temp_free_i64(tmp2);
+ tcg_temp_free_i64(tmp3);
+ break;
+ case 0x20: /* SERVC R1,R2 [RRE] */
+ /* SCLP Service call (PV hypercall) */
+ check_privileged(s);
potential_page_fault(s);
- /* XXX rewrite in tcg */
- gen_helper_cdsg(cc_op, cpu_env, tmp32_1, tmp, tmp32_2);
+ tmp32_1 = load_reg32(r2);
+ tmp = load_reg(r1);
+ gen_helper_servc(cc_op, cpu_env, tmp32_1, tmp);
set_cc_static(s);
- tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i32(tmp32_2);
+ tcg_temp_free_i64(tmp);
break;
default:
- LOG_DISAS("illegal eb operation 0x%x\n", op);
+#endif
+ LOG_DISAS("illegal b2 operation 0x%x\n", op);
gen_illegal_opcode(s);
+#ifndef CONFIG_USER_ONLY
break;
}
+#endif
}
-static void disas_ed(CPUS390XState *env, DisasContext *s, int op, int r1,
- int x2, int b2, int d2, int r1b)
+static void disas_s390_insn(CPUS390XState *env, DisasContext *s)
{
- TCGv_i32 tmp_r1, tmp32;
- TCGv_i64 addr, tmp;
- addr = get_address(s, x2, b2, d2);
- tmp_r1 = tcg_const_i32(r1);
- switch (op) {
- case 0x4: /* LDEB R1,D2(X2,B2) [RXE] */
- potential_page_fault(s);
- gen_helper_ldeb(cpu_env, tmp_r1, addr);
- break;
- case 0x5: /* LXDB R1,D2(X2,B2) [RXE] */
- potential_page_fault(s);
- gen_helper_lxdb(cpu_env, tmp_r1, addr);
- break;
- case 0x9: /* CEB R1,D2(X2,B2) [RXE] */
- tmp = tcg_temp_new_i64();
- tmp32 = load_freg32(r1);
- tcg_gen_qemu_ld32u(tmp, addr, get_mem_index(s));
- set_cc_cmp_f32_i64(s, tmp32, tmp);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i32(tmp32);
- break;
- case 0xa: /* AEB R1,D2(X2,B2) [RXE] */
- tmp = tcg_temp_new_i64();
- tmp32 = tcg_temp_new_i32();
- tcg_gen_qemu_ld32u(tmp, addr, get_mem_index(s));
- tcg_gen_trunc_i64_i32(tmp32, tmp);
- gen_helper_aeb(cpu_env, tmp_r1, tmp32);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i32(tmp32);
+ unsigned char opc;
+ uint64_t insn;
+ int op;
- tmp32 = load_freg32(r1);
- gen_set_cc_nz_f32(s, tmp32);
- tcg_temp_free_i32(tmp32);
- break;
- case 0xb: /* SEB R1,D2(X2,B2) [RXE] */
- tmp = tcg_temp_new_i64();
- tmp32 = tcg_temp_new_i32();
- tcg_gen_qemu_ld32u(tmp, addr, get_mem_index(s));
- tcg_gen_trunc_i64_i32(tmp32, tmp);
- gen_helper_seb(cpu_env, tmp_r1, tmp32);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i32(tmp32);
+ opc = cpu_ldub_code(env, s->pc);
+ LOG_DISAS("opc 0x%x\n", opc);
- tmp32 = load_freg32(r1);
- gen_set_cc_nz_f32(s, tmp32);
- tcg_temp_free_i32(tmp32);
- break;
- case 0xd: /* DEB R1,D2(X2,B2) [RXE] */
- tmp = tcg_temp_new_i64();
- tmp32 = tcg_temp_new_i32();
- tcg_gen_qemu_ld32u(tmp, addr, get_mem_index(s));
- tcg_gen_trunc_i64_i32(tmp32, tmp);
- gen_helper_deb(cpu_env, tmp_r1, tmp32);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i32(tmp32);
- break;
- case 0x10: /* TCEB R1,D2(X2,B2) [RXE] */
- potential_page_fault(s);
- gen_helper_tceb(cc_op, cpu_env, tmp_r1, addr);
- set_cc_static(s);
- break;
- case 0x11: /* TCDB R1,D2(X2,B2) [RXE] */
- potential_page_fault(s);
- gen_helper_tcdb(cc_op, cpu_env, tmp_r1, addr);
- set_cc_static(s);
- break;
- case 0x12: /* TCXB R1,D2(X2,B2) [RXE] */
- potential_page_fault(s);
- gen_helper_tcxb(cc_op, cpu_env, tmp_r1, addr);
- set_cc_static(s);
- break;
- case 0x17: /* MEEB R1,D2(X2,B2) [RXE] */
- tmp = tcg_temp_new_i64();
- tmp32 = tcg_temp_new_i32();
- tcg_gen_qemu_ld32u(tmp, addr, get_mem_index(s));
- tcg_gen_trunc_i64_i32(tmp32, tmp);
- gen_helper_meeb(cpu_env, tmp_r1, tmp32);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i32(tmp32);
- break;
- case 0x19: /* CDB R1,D2(X2,B2) [RXE] */
- potential_page_fault(s);
- gen_helper_cdb(cc_op, cpu_env, tmp_r1, addr);
- set_cc_static(s);
+ switch (opc) {
+ case 0xb2:
+ insn = ld_code4(env, s->pc);
+ op = (insn >> 16) & 0xff;
+ disas_b2(env, s, op, insn);
break;
- case 0x1a: /* ADB R1,D2(X2,B2) [RXE] */
- potential_page_fault(s);
- gen_helper_adb(cc_op, cpu_env, tmp_r1, addr);
- set_cc_static(s);
+ default:
+ qemu_log_mask(LOG_UNIMP, "unimplemented opcode 0x%x\n", opc);
+ gen_illegal_opcode(s);
break;
- case 0x1b: /* SDB R1,D2(X2,B2) [RXE] */
- potential_page_fault(s);
- gen_helper_sdb(cc_op, cpu_env, tmp_r1, addr);
- set_cc_static(s);
- break;
- case 0x1c: /* MDB R1,D2(X2,B2) [RXE] */
- potential_page_fault(s);
- gen_helper_mdb(cpu_env, tmp_r1, addr);
- break;
- case 0x1d: /* DDB R1,D2(X2,B2) [RXE] */
- potential_page_fault(s);
- gen_helper_ddb(cpu_env, tmp_r1, addr);
- break;
- case 0x1e: /* MADB R1,R3,D2(X2,B2) [RXF] */
- /* for RXF insns, r1 is R3 and r1b is R1 */
- tmp32 = tcg_const_i32(r1b);
- potential_page_fault(s);
- gen_helper_madb(cpu_env, tmp32, addr, tmp_r1);
- tcg_temp_free_i32(tmp32);
- break;
- default:
- LOG_DISAS("illegal ed operation 0x%x\n", op);
- gen_illegal_opcode(s);
- return;
}
- tcg_temp_free_i32(tmp_r1);
- tcg_temp_free_i64(addr);
}
-static void disas_b2(CPUS390XState *env, DisasContext *s, int op,
- uint32_t insn)
+/* ====================================================================== */
+/* Define the insn format enumeration. */
+#define F0(N) FMT_##N,
+#define F1(N, X1) F0(N)
+#define F2(N, X1, X2) F0(N)
+#define F3(N, X1, X2, X3) F0(N)
+#define F4(N, X1, X2, X3, X4) F0(N)
+#define F5(N, X1, X2, X3, X4, X5) F0(N)
+
+typedef enum {
+#include "insn-format.def"
+} DisasFormat;
+
+#undef F0
+#undef F1
+#undef F2
+#undef F3
+#undef F4
+#undef F5
+
+/* Define a structure to hold the decoded fields. We'll store each inside
+ an array indexed by an enum. In order to conserve memory, we'll arrange
+ for fields that do not exist at the same time to overlap, thus the "C"
+ for compact. For checking purposes there is an "O" for original index
+ as well that will be applied to availability bitmaps. */
+
+enum DisasFieldIndexO {
+ FLD_O_r1,
+ FLD_O_r2,
+ FLD_O_r3,
+ FLD_O_m1,
+ FLD_O_m3,
+ FLD_O_m4,
+ FLD_O_b1,
+ FLD_O_b2,
+ FLD_O_b4,
+ FLD_O_d1,
+ FLD_O_d2,
+ FLD_O_d4,
+ FLD_O_x2,
+ FLD_O_l1,
+ FLD_O_l2,
+ FLD_O_i1,
+ FLD_O_i2,
+ FLD_O_i3,
+ FLD_O_i4,
+ FLD_O_i5
+};
+
+enum DisasFieldIndexC {
+ FLD_C_r1 = 0,
+ FLD_C_m1 = 0,
+ FLD_C_b1 = 0,
+ FLD_C_i1 = 0,
+
+ FLD_C_r2 = 1,
+ FLD_C_b2 = 1,
+ FLD_C_i2 = 1,
+
+ FLD_C_r3 = 2,
+ FLD_C_m3 = 2,
+ FLD_C_i3 = 2,
+
+ FLD_C_m4 = 3,
+ FLD_C_b4 = 3,
+ FLD_C_i4 = 3,
+ FLD_C_l1 = 3,
+
+ FLD_C_i5 = 4,
+ FLD_C_d1 = 4,
+
+ FLD_C_d2 = 5,
+
+ FLD_C_d4 = 6,
+ FLD_C_x2 = 6,
+ FLD_C_l2 = 6,
+
+ NUM_C_FIELD = 7
+};
+
+struct DisasFields {
+ unsigned op:8;
+ unsigned op2:8;
+ unsigned presentC:16;
+ unsigned int presentO;
+ int c[NUM_C_FIELD];
+};
+
+/* This is the way fields are to be accessed out of DisasFields. */
+#define have_field(S, F) have_field1((S), FLD_O_##F)
+#define get_field(S, F) get_field1((S), FLD_O_##F, FLD_C_##F)
+
+static bool have_field1(const DisasFields *f, enum DisasFieldIndexO c)
{
- TCGv_i64 tmp, tmp2, tmp3;
- TCGv_i32 tmp32_1, tmp32_2, tmp32_3;
- int r1, r2;
-#ifndef CONFIG_USER_ONLY
- int r3, d2, b2;
-#endif
+ return (f->presentO >> c) & 1;
+}
- r1 = (insn >> 4) & 0xf;
- r2 = insn & 0xf;
+static int get_field1(const DisasFields *f, enum DisasFieldIndexO o,
+ enum DisasFieldIndexC c)
+{
+ assert(have_field1(f, o));
+ return f->c[c];
+}
- LOG_DISAS("disas_b2: op 0x%x r1 %d r2 %d\n", op, r1, r2);
+/* Describe the layout of each field in each format. */
+typedef struct DisasField {
+ unsigned int beg:8;
+ unsigned int size:8;
+ unsigned int type:2;
+ unsigned int indexC:6;
+ enum DisasFieldIndexO indexO:8;
+} DisasField;
- switch (op) {
- case 0x22: /* IPM R1 [RRE] */
- tmp32_1 = tcg_const_i32(r1);
- gen_op_calc_cc(s);
- gen_helper_ipm(cpu_env, cc_op, tmp32_1);
- tcg_temp_free_i32(tmp32_1);
- break;
- case 0x41: /* CKSM R1,R2 [RRE] */
- tmp32_1 = tcg_const_i32(r1);
- tmp32_2 = tcg_const_i32(r2);
- potential_page_fault(s);
- gen_helper_cksm(cpu_env, tmp32_1, tmp32_2);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i32(tmp32_2);
- gen_op_movi_cc(s, 0);
- break;
- case 0x4e: /* SAR R1,R2 [RRE] */
- tmp32_1 = load_reg32(r2);
- tcg_gen_st_i32(tmp32_1, cpu_env, offsetof(CPUS390XState, aregs[r1]));
- tcg_temp_free_i32(tmp32_1);
- break;
- case 0x4f: /* EAR R1,R2 [RRE] */
- tmp32_1 = tcg_temp_new_i32();
- tcg_gen_ld_i32(tmp32_1, cpu_env, offsetof(CPUS390XState, aregs[r2]));
- store_reg32(r1, tmp32_1);
- tcg_temp_free_i32(tmp32_1);
- break;
- case 0x54: /* MVPG R1,R2 [RRE] */
- tmp = load_reg(0);
- tmp2 = load_reg(r1);
- tmp3 = load_reg(r2);
- potential_page_fault(s);
- gen_helper_mvpg(cpu_env, tmp, tmp2, tmp3);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- tcg_temp_free_i64(tmp3);
- /* XXX check CCO bit and set CC accordingly */
- gen_op_movi_cc(s, 0);
- break;
- case 0x55: /* MVST R1,R2 [RRE] */
- tmp32_1 = load_reg32(0);
- tmp32_2 = tcg_const_i32(r1);
- tmp32_3 = tcg_const_i32(r2);
- potential_page_fault(s);
- gen_helper_mvst(cpu_env, tmp32_1, tmp32_2, tmp32_3);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i32(tmp32_2);
- tcg_temp_free_i32(tmp32_3);
- gen_op_movi_cc(s, 1);
- break;
- case 0x5d: /* CLST R1,R2 [RRE] */
- tmp32_1 = load_reg32(0);
- tmp32_2 = tcg_const_i32(r1);
- tmp32_3 = tcg_const_i32(r2);
- potential_page_fault(s);
- gen_helper_clst(cc_op, cpu_env, tmp32_1, tmp32_2, tmp32_3);
- set_cc_static(s);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i32(tmp32_2);
- tcg_temp_free_i32(tmp32_3);
- break;
- case 0x5e: /* SRST R1,R2 [RRE] */
- tmp32_1 = load_reg32(0);
- tmp32_2 = tcg_const_i32(r1);
- tmp32_3 = tcg_const_i32(r2);
- potential_page_fault(s);
- gen_helper_srst(cc_op, cpu_env, tmp32_1, tmp32_2, tmp32_3);
- set_cc_static(s);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i32(tmp32_2);
- tcg_temp_free_i32(tmp32_3);
- break;
+typedef struct DisasFormatInfo {
+ DisasField op[NUM_C_FIELD];
+} DisasFormatInfo;
-#ifndef CONFIG_USER_ONLY
- case 0x02: /* STIDP D2(B2) [S] */
- /* Store CPU ID */
- check_privileged(s);
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- tmp = get_address(s, 0, b2, d2);
- potential_page_fault(s);
- gen_helper_stidp(cpu_env, tmp);
- tcg_temp_free_i64(tmp);
- break;
- case 0x04: /* SCK D2(B2) [S] */
- /* Set Clock */
- check_privileged(s);
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- tmp = get_address(s, 0, b2, d2);
- potential_page_fault(s);
- gen_helper_sck(cc_op, tmp);
- set_cc_static(s);
- tcg_temp_free_i64(tmp);
- break;
- case 0x05: /* STCK D2(B2) [S] */
- /* Store Clock */
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- tmp = get_address(s, 0, b2, d2);
- potential_page_fault(s);
- gen_helper_stck(cc_op, cpu_env, tmp);
- set_cc_static(s);
- tcg_temp_free_i64(tmp);
- break;
- case 0x06: /* SCKC D2(B2) [S] */
- /* Set Clock Comparator */
- check_privileged(s);
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- tmp = get_address(s, 0, b2, d2);
- potential_page_fault(s);
- gen_helper_sckc(cpu_env, tmp);
- tcg_temp_free_i64(tmp);
- break;
- case 0x07: /* STCKC D2(B2) [S] */
- /* Store Clock Comparator */
- check_privileged(s);
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- tmp = get_address(s, 0, b2, d2);
- potential_page_fault(s);
- gen_helper_stckc(cpu_env, tmp);
- tcg_temp_free_i64(tmp);
- break;
- case 0x08: /* SPT D2(B2) [S] */
- /* Set CPU Timer */
- check_privileged(s);
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- tmp = get_address(s, 0, b2, d2);
- potential_page_fault(s);
- gen_helper_spt(cpu_env, tmp);
- tcg_temp_free_i64(tmp);
- break;
- case 0x09: /* STPT D2(B2) [S] */
- /* Store CPU Timer */
- check_privileged(s);
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- tmp = get_address(s, 0, b2, d2);
- potential_page_fault(s);
- gen_helper_stpt(cpu_env, tmp);
- tcg_temp_free_i64(tmp);
- break;
- case 0x0a: /* SPKA D2(B2) [S] */
- /* Set PSW Key from Address */
- check_privileged(s);
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- tmp = get_address(s, 0, b2, d2);
- tmp2 = tcg_temp_new_i64();
- tcg_gen_andi_i64(tmp2, psw_mask, ~PSW_MASK_KEY);
- tcg_gen_shli_i64(tmp, tmp, PSW_SHIFT_KEY - 4);
- tcg_gen_or_i64(psw_mask, tmp2, tmp);
- tcg_temp_free_i64(tmp2);
- tcg_temp_free_i64(tmp);
- break;
- case 0x0d: /* PTLB [S] */
- /* Purge TLB */
- check_privileged(s);
- gen_helper_ptlb(cpu_env);
- break;
- case 0x10: /* SPX D2(B2) [S] */
- /* Set Prefix Register */
- check_privileged(s);
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- tmp = get_address(s, 0, b2, d2);
- potential_page_fault(s);
- gen_helper_spx(cpu_env, tmp);
- tcg_temp_free_i64(tmp);
- break;
- case 0x11: /* STPX D2(B2) [S] */
- /* Store Prefix */
- check_privileged(s);
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- tmp = get_address(s, 0, b2, d2);
- tmp2 = tcg_temp_new_i64();
- tcg_gen_ld_i64(tmp2, cpu_env, offsetof(CPUS390XState, psa));
- tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s));
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- break;
- case 0x12: /* STAP D2(B2) [S] */
- /* Store CPU Address */
- check_privileged(s);
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- tmp = get_address(s, 0, b2, d2);
- tmp2 = tcg_temp_new_i64();
- tmp32_1 = tcg_temp_new_i32();
- tcg_gen_ld_i32(tmp32_1, cpu_env, offsetof(CPUS390XState, cpu_num));
- tcg_gen_extu_i32_i64(tmp2, tmp32_1);
- tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s));
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- tcg_temp_free_i32(tmp32_1);
- break;
- case 0x21: /* IPTE R1,R2 [RRE] */
- /* Invalidate PTE */
- check_privileged(s);
- r1 = (insn >> 4) & 0xf;
- r2 = insn & 0xf;
- tmp = load_reg(r1);
- tmp2 = load_reg(r2);
- gen_helper_ipte(cpu_env, tmp, tmp2);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- break;
- case 0x29: /* ISKE R1,R2 [RRE] */
- /* Insert Storage Key Extended */
- check_privileged(s);
- r1 = (insn >> 4) & 0xf;
- r2 = insn & 0xf;
- tmp = load_reg(r2);
- tmp2 = tcg_temp_new_i64();
- gen_helper_iske(tmp2, cpu_env, tmp);
- store_reg(r1, tmp2);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- break;
- case 0x2a: /* RRBE R1,R2 [RRE] */
- /* Set Storage Key Extended */
- check_privileged(s);
- r1 = (insn >> 4) & 0xf;
- r2 = insn & 0xf;
- tmp32_1 = load_reg32(r1);
- tmp = load_reg(r2);
- gen_helper_rrbe(cc_op, cpu_env, tmp32_1, tmp);
- set_cc_static(s);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i64(tmp);
- break;
- case 0x2b: /* SSKE R1,R2 [RRE] */
- /* Set Storage Key Extended */
- check_privileged(s);
- r1 = (insn >> 4) & 0xf;
- r2 = insn & 0xf;
- tmp32_1 = load_reg32(r1);
- tmp = load_reg(r2);
- gen_helper_sske(cpu_env, tmp32_1, tmp);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i64(tmp);
- break;
- case 0x34: /* STCH ? */
- /* Store Subchannel */
- check_privileged(s);
- gen_op_movi_cc(s, 3);
- break;
- case 0x46: /* STURA R1,R2 [RRE] */
- /* Store Using Real Address */
- check_privileged(s);
- r1 = (insn >> 4) & 0xf;
- r2 = insn & 0xf;
- tmp32_1 = load_reg32(r1);
- tmp = load_reg(r2);
- potential_page_fault(s);
- gen_helper_stura(cpu_env, tmp, tmp32_1);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i64(tmp);
- break;
- case 0x50: /* CSP R1,R2 [RRE] */
- /* Compare And Swap And Purge */
- check_privileged(s);
- r1 = (insn >> 4) & 0xf;
- r2 = insn & 0xf;
- tmp32_1 = tcg_const_i32(r1);
- tmp32_2 = tcg_const_i32(r2);
- gen_helper_csp(cc_op, cpu_env, tmp32_1, tmp32_2);
- set_cc_static(s);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i32(tmp32_2);
- break;
- case 0x5f: /* CHSC ? */
- /* Channel Subsystem Call */
- check_privileged(s);
- gen_op_movi_cc(s, 3);
- break;
- case 0x78: /* STCKE D2(B2) [S] */
- /* Store Clock Extended */
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- tmp = get_address(s, 0, b2, d2);
- potential_page_fault(s);
- gen_helper_stcke(cc_op, cpu_env, tmp);
- set_cc_static(s);
- tcg_temp_free_i64(tmp);
- break;
- case 0x79: /* SACF D2(B2) [S] */
- /* Set Address Space Control Fast */
- check_privileged(s);
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- tmp = get_address(s, 0, b2, d2);
- potential_page_fault(s);
- gen_helper_sacf(cpu_env, tmp);
- tcg_temp_free_i64(tmp);
- /* addressing mode has changed, so end the block */
- s->pc = s->next_pc;
- update_psw_addr(s);
- s->is_jmp = DISAS_JUMP;
- break;
- case 0x7d: /* STSI D2,(B2) [S] */
- check_privileged(s);
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- tmp = get_address(s, 0, b2, d2);
- tmp32_1 = load_reg32(0);
- tmp32_2 = load_reg32(1);
- potential_page_fault(s);
- gen_helper_stsi(cc_op, cpu_env, tmp, tmp32_1, tmp32_2);
- set_cc_static(s);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i32(tmp32_2);
+#define R(N, B) { B, 4, 0, FLD_C_r##N, FLD_O_r##N }
+#define M(N, B) { B, 4, 0, FLD_C_m##N, FLD_O_m##N }
+#define BD(N, BB, BD) { BB, 4, 0, FLD_C_b##N, FLD_O_b##N }, \
+ { BD, 12, 0, FLD_C_d##N, FLD_O_d##N }
+#define BXD(N) { 16, 4, 0, FLD_C_b##N, FLD_O_b##N }, \
+ { 12, 4, 0, FLD_C_x##N, FLD_O_x##N }, \
+ { 20, 12, 0, FLD_C_d##N, FLD_O_d##N }
+#define BDL(N) { 16, 4, 0, FLD_C_b##N, FLD_O_b##N }, \
+ { 20, 20, 2, FLD_C_d##N, FLD_O_d##N }
+#define BXDL(N) { 16, 4, 0, FLD_C_b##N, FLD_O_b##N }, \
+ { 12, 4, 0, FLD_C_x##N, FLD_O_x##N }, \
+ { 20, 20, 2, FLD_C_d##N, FLD_O_d##N }
+#define I(N, B, S) { B, S, 1, FLD_C_i##N, FLD_O_i##N }
+#define L(N, B, S) { B, S, 0, FLD_C_l##N, FLD_O_l##N }
+
+#define F0(N) { { } },
+#define F1(N, X1) { { X1 } },
+#define F2(N, X1, X2) { { X1, X2 } },
+#define F3(N, X1, X2, X3) { { X1, X2, X3 } },
+#define F4(N, X1, X2, X3, X4) { { X1, X2, X3, X4 } },
+#define F5(N, X1, X2, X3, X4, X5) { { X1, X2, X3, X4, X5 } },
+
+static const DisasFormatInfo format_info[] = {
+#include "insn-format.def"
+};
+
+#undef F0
+#undef F1
+#undef F2
+#undef F3
+#undef F4
+#undef F5
+#undef R
+#undef M
+#undef BD
+#undef BXD
+#undef BDL
+#undef BXDL
+#undef I
+#undef L
+
+/* Generally, we'll extract operands into this structures, operate upon
+ them, and store them back. See the "in1", "in2", "prep", "wout" sets
+ of routines below for more details. */
+typedef struct {
+ bool g_out, g_out2, g_in1, g_in2;
+ TCGv_i64 out, out2, in1, in2;
+ TCGv_i64 addr1;
+} DisasOps;
+
+/* Return values from translate_one, indicating the state of the TB. */
+typedef enum {
+ /* Continue the TB. */
+ NO_EXIT,
+ /* We have emitted one or more goto_tb. No fixup required. */
+ EXIT_GOTO_TB,
+ /* We are not using a goto_tb (for whatever reason), but have updated
+ the PC (for whatever reason), so there's no need to do it again on
+ exiting the TB. */
+ EXIT_PC_UPDATED,
+ /* We are exiting the TB, but have neither emitted a goto_tb, nor
+ updated the PC for the next instruction to be executed. */
+ EXIT_PC_STALE,
+ /* We are ending the TB with a noreturn function call, e.g. longjmp.
+ No following code will be executed. */
+ EXIT_NORETURN,
+} ExitStatus;
+
+typedef enum DisasFacility {
+ FAC_Z, /* zarch (default) */
+ FAC_CASS, /* compare and swap and store */
+ FAC_CASS2, /* compare and swap and store 2*/
+ FAC_DFP, /* decimal floating point */
+ FAC_DFPR, /* decimal floating point rounding */
+ FAC_DO, /* distinct operands */
+ FAC_EE, /* execute extensions */
+ FAC_EI, /* extended immediate */
+ FAC_FPE, /* floating point extension */
+ FAC_FPSSH, /* floating point support sign handling */
+ FAC_FPRGR, /* FPR-GR transfer */
+ FAC_GIE, /* general instructions extension */
+ FAC_HFP_MA, /* HFP multiply-and-add/subtract */
+ FAC_HW, /* high-word */
+ FAC_IEEEE_SIM, /* IEEE exception sumilation */
+ FAC_LOC, /* load/store on condition */
+ FAC_LD, /* long displacement */
+ FAC_PC, /* population count */
+ FAC_SCF, /* store clock fast */
+ FAC_SFLE, /* store facility list extended */
+} DisasFacility;
+
+struct DisasInsn {
+ unsigned opc:16;
+ DisasFormat fmt:6;
+ DisasFacility fac:6;
+
+ const char *name;
+
+ void (*help_in1)(DisasContext *, DisasFields *, DisasOps *);
+ void (*help_in2)(DisasContext *, DisasFields *, DisasOps *);
+ void (*help_prep)(DisasContext *, DisasFields *, DisasOps *);
+ void (*help_wout)(DisasContext *, DisasFields *, DisasOps *);
+ void (*help_cout)(DisasContext *, DisasOps *);
+ ExitStatus (*help_op)(DisasContext *, DisasOps *);
+
+ uint64_t data;
+};
+
+/* ====================================================================== */
+/* Miscelaneous helpers, used by several operations. */
+
+static void help_l2_shift(DisasContext *s, DisasFields *f,
+ DisasOps *o, int mask)
+{
+ int b2 = get_field(f, b2);
+ int d2 = get_field(f, d2);
+
+ if (b2 == 0) {
+ o->in2 = tcg_const_i64(d2 & mask);
+ } else {
+ o->in2 = get_address(s, 0, b2, d2);
+ tcg_gen_andi_i64(o->in2, o->in2, mask);
+ }
+}
+
+static ExitStatus help_goto_direct(DisasContext *s, uint64_t dest)
+{
+ if (dest == s->next_pc) {
+ return NO_EXIT;
+ }
+ if (use_goto_tb(s, dest)) {
+ gen_update_cc_op(s);
+ tcg_gen_goto_tb(0);
+ tcg_gen_movi_i64(psw_addr, dest);
+ tcg_gen_exit_tb((tcg_target_long)s->tb);
+ return EXIT_GOTO_TB;
+ } else {
+ tcg_gen_movi_i64(psw_addr, dest);
+ return EXIT_PC_UPDATED;
+ }
+}
+
+static ExitStatus help_branch(DisasContext *s, DisasCompare *c,
+ bool is_imm, int imm, TCGv_i64 cdest)
+{
+ ExitStatus ret;
+ uint64_t dest = s->pc + 2 * imm;
+ int lab;
+
+ /* Take care of the special cases first. */
+ if (c->cond == TCG_COND_NEVER) {
+ ret = NO_EXIT;
+ goto egress;
+ }
+ if (is_imm) {
+ if (dest == s->next_pc) {
+ /* Branch to next. */
+ ret = NO_EXIT;
+ goto egress;
+ }
+ if (c->cond == TCG_COND_ALWAYS) {
+ ret = help_goto_direct(s, dest);
+ goto egress;
+ }
+ } else {
+ if (TCGV_IS_UNUSED_I64(cdest)) {
+ /* E.g. bcr %r0 -> no branch. */
+ ret = NO_EXIT;
+ goto egress;
+ }
+ if (c->cond == TCG_COND_ALWAYS) {
+ tcg_gen_mov_i64(psw_addr, cdest);
+ ret = EXIT_PC_UPDATED;
+ goto egress;
+ }
+ }
+
+ if (use_goto_tb(s, s->next_pc)) {
+ if (is_imm && use_goto_tb(s, dest)) {
+ /* Both exits can use goto_tb. */
+ gen_update_cc_op(s);
+
+ lab = gen_new_label();
+ if (c->is_64) {
+ tcg_gen_brcond_i64(c->cond, c->u.s64.a, c->u.s64.b, lab);
+ } else {
+ tcg_gen_brcond_i32(c->cond, c->u.s32.a, c->u.s32.b, lab);
+ }
+
+ /* Branch not taken. */
+ tcg_gen_goto_tb(0);
+ tcg_gen_movi_i64(psw_addr, s->next_pc);
+ tcg_gen_exit_tb((tcg_target_long)s->tb + 0);
+
+ /* Branch taken. */
+ gen_set_label(lab);
+ tcg_gen_goto_tb(1);
+ tcg_gen_movi_i64(psw_addr, dest);
+ tcg_gen_exit_tb((tcg_target_long)s->tb + 1);
+
+ ret = EXIT_GOTO_TB;
+ } else {
+ /* Fallthru can use goto_tb, but taken branch cannot. */
+ /* Store taken branch destination before the brcond. This
+ avoids having to allocate a new local temp to hold it.
+ We'll overwrite this in the not taken case anyway. */
+ if (!is_imm) {
+ tcg_gen_mov_i64(psw_addr, cdest);
+ }
+
+ lab = gen_new_label();
+ if (c->is_64) {
+ tcg_gen_brcond_i64(c->cond, c->u.s64.a, c->u.s64.b, lab);
+ } else {
+ tcg_gen_brcond_i32(c->cond, c->u.s32.a, c->u.s32.b, lab);
+ }
+
+ /* Branch not taken. */
+ gen_update_cc_op(s);
+ tcg_gen_goto_tb(0);
+ tcg_gen_movi_i64(psw_addr, s->next_pc);
+ tcg_gen_exit_tb((tcg_target_long)s->tb + 0);
+
+ gen_set_label(lab);
+ if (is_imm) {
+ tcg_gen_movi_i64(psw_addr, dest);
+ }
+ ret = EXIT_PC_UPDATED;
+ }
+ } else {
+ /* Fallthru cannot use goto_tb. This by itself is vanishingly rare.
+ Most commonly we're single-stepping or some other condition that
+ disables all use of goto_tb. Just update the PC and exit. */
+
+ TCGv_i64 next = tcg_const_i64(s->next_pc);
+ if (is_imm) {
+ cdest = tcg_const_i64(dest);
+ }
+
+ if (c->is_64) {
+ tcg_gen_movcond_i64(c->cond, psw_addr, c->u.s64.a, c->u.s64.b,
+ cdest, next);
+ } else {
+ TCGv_i32 t0 = tcg_temp_new_i32();
+ TCGv_i64 t1 = tcg_temp_new_i64();
+ TCGv_i64 z = tcg_const_i64(0);
+ tcg_gen_setcond_i32(c->cond, t0, c->u.s32.a, c->u.s32.b);
+ tcg_gen_extu_i32_i64(t1, t0);
+ tcg_temp_free_i32(t0);
+ tcg_gen_movcond_i64(TCG_COND_NE, psw_addr, t1, z, cdest, next);
+ tcg_temp_free_i64(t1);
+ tcg_temp_free_i64(z);
+ }
+
+ if (is_imm) {
+ tcg_temp_free_i64(cdest);
+ }
+ tcg_temp_free_i64(next);
+
+ ret = EXIT_PC_UPDATED;
+ }
+
+ egress:
+ free_compare(c);
+ return ret;
+}
+
+/* ====================================================================== */
+/* The operations. These perform the bulk of the work for any insn,
+ usually after the operands have been loaded and output initialized. */
+
+static ExitStatus op_abs(DisasContext *s, DisasOps *o)
+{
+ gen_helper_abs_i64(o->out, o->in2);
+ return NO_EXIT;
+}
+
+static ExitStatus op_absf32(DisasContext *s, DisasOps *o)
+{
+ tcg_gen_andi_i64(o->out, o->in2, 0x7fffffffull);
+ return NO_EXIT;
+}
+
+static ExitStatus op_absf64(DisasContext *s, DisasOps *o)
+{
+ tcg_gen_andi_i64(o->out, o->in2, 0x7fffffffffffffffull);
+ return NO_EXIT;
+}
+
+static ExitStatus op_absf128(DisasContext *s, DisasOps *o)
+{
+ tcg_gen_andi_i64(o->out, o->in1, 0x7fffffffffffffffull);
+ tcg_gen_mov_i64(o->out2, o->in2);
+ return NO_EXIT;
+}
+
+static ExitStatus op_add(DisasContext *s, DisasOps *o)
+{
+ tcg_gen_add_i64(o->out, o->in1, o->in2);
+ return NO_EXIT;
+}
+
+static ExitStatus op_addc(DisasContext *s, DisasOps *o)
+{
+ TCGv_i64 cc;
+
+ tcg_gen_add_i64(o->out, o->in1, o->in2);
+
+ /* XXX possible optimization point */
+ gen_op_calc_cc(s);
+ cc = tcg_temp_new_i64();
+ tcg_gen_extu_i32_i64(cc, cc_op);
+ tcg_gen_shri_i64(cc, cc, 1);
+
+ tcg_gen_add_i64(o->out, o->out, cc);
+ tcg_temp_free_i64(cc);
+ return NO_EXIT;
+}
+
+static ExitStatus op_aeb(DisasContext *s, DisasOps *o)
+{
+ gen_helper_aeb(o->out, cpu_env, o->in1, o->in2);
+ return NO_EXIT;
+}
+
+static ExitStatus op_adb(DisasContext *s, DisasOps *o)
+{
+ gen_helper_adb(o->out, cpu_env, o->in1, o->in2);
+ return NO_EXIT;
+}
+
+static ExitStatus op_axb(DisasContext *s, DisasOps *o)
+{
+ gen_helper_axb(o->out, cpu_env, o->out, o->out2, o->in1, o->in2);
+ return_low128(o->out2);
+ return NO_EXIT;
+}
+
+static ExitStatus op_and(DisasContext *s, DisasOps *o)
+{
+ tcg_gen_and_i64(o->out, o->in1, o->in2);
+ return NO_EXIT;
+}
+
+static ExitStatus op_andi(DisasContext *s, DisasOps *o)
+{
+ int shift = s->insn->data & 0xff;
+ int size = s->insn->data >> 8;
+ uint64_t mask = ((1ull << size) - 1) << shift;
+
+ assert(!o->g_in2);
+ tcg_gen_shli_i64(o->in2, o->in2, shift);
+ tcg_gen_ori_i64(o->in2, o->in2, ~mask);
+ tcg_gen_and_i64(o->out, o->in1, o->in2);
+
+ /* Produce the CC from only the bits manipulated. */
+ tcg_gen_andi_i64(cc_dst, o->out, mask);
+ set_cc_nz_u64(s, cc_dst);
+ return NO_EXIT;
+}
+
+static ExitStatus op_bas(DisasContext *s, DisasOps *o)
+{
+ tcg_gen_movi_i64(o->out, pc_to_link_info(s, s->next_pc));
+ if (!TCGV_IS_UNUSED_I64(o->in2)) {
+ tcg_gen_mov_i64(psw_addr, o->in2);
+ return EXIT_PC_UPDATED;
+ } else {
+ return NO_EXIT;
+ }
+}
+
+static ExitStatus op_basi(DisasContext *s, DisasOps *o)
+{
+ tcg_gen_movi_i64(o->out, pc_to_link_info(s, s->next_pc));
+ return help_goto_direct(s, s->pc + 2 * get_field(s->fields, i2));
+}
+
+static ExitStatus op_bc(DisasContext *s, DisasOps *o)
+{
+ int m1 = get_field(s->fields, m1);
+ bool is_imm = have_field(s->fields, i2);
+ int imm = is_imm ? get_field(s->fields, i2) : 0;
+ DisasCompare c;
+
+ disas_jcc(s, &c, m1);
+ return help_branch(s, &c, is_imm, imm, o->in2);
+}
+
+static ExitStatus op_bct32(DisasContext *s, DisasOps *o)
+{
+ int r1 = get_field(s->fields, r1);
+ bool is_imm = have_field(s->fields, i2);
+ int imm = is_imm ? get_field(s->fields, i2) : 0;
+ DisasCompare c;
+ TCGv_i64 t;
+
+ c.cond = TCG_COND_NE;
+ c.is_64 = false;
+ c.g1 = false;
+ c.g2 = false;
+
+ t = tcg_temp_new_i64();
+ tcg_gen_subi_i64(t, regs[r1], 1);
+ store_reg32_i64(r1, t);
+ c.u.s32.a = tcg_temp_new_i32();
+ c.u.s32.b = tcg_const_i32(0);
+ tcg_gen_trunc_i64_i32(c.u.s32.a, t);
+ tcg_temp_free_i64(t);
+
+ return help_branch(s, &c, is_imm, imm, o->in2);
+}
+
+static ExitStatus op_bct64(DisasContext *s, DisasOps *o)
+{
+ int r1 = get_field(s->fields, r1);
+ bool is_imm = have_field(s->fields, i2);
+ int imm = is_imm ? get_field(s->fields, i2) : 0;
+ DisasCompare c;
+
+ c.cond = TCG_COND_NE;
+ c.is_64 = true;
+ c.g1 = true;
+ c.g2 = false;
+
+ tcg_gen_subi_i64(regs[r1], regs[r1], 1);
+ c.u.s64.a = regs[r1];
+ c.u.s64.b = tcg_const_i64(0);
+
+ return help_branch(s, &c, is_imm, imm, o->in2);
+}
+
+static ExitStatus op_ceb(DisasContext *s, DisasOps *o)
+{
+ gen_helper_ceb(cc_op, cpu_env, o->in1, o->in2);
+ set_cc_static(s);
+ return NO_EXIT;
+}
+
+static ExitStatus op_cdb(DisasContext *s, DisasOps *o)
+{
+ gen_helper_cdb(cc_op, cpu_env, o->in1, o->in2);
+ set_cc_static(s);
+ return NO_EXIT;
+}
+
+static ExitStatus op_cxb(DisasContext *s, DisasOps *o)
+{
+ gen_helper_cxb(cc_op, cpu_env, o->out, o->out2, o->in1, o->in2);
+ set_cc_static(s);
+ return NO_EXIT;
+}
+
+static ExitStatus op_cfeb(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
+ gen_helper_cfeb(o->out, cpu_env, o->in2, m3);
+ tcg_temp_free_i32(m3);
+ gen_set_cc_nz_f32(s, o->in2);
+ return NO_EXIT;
+}
+
+static ExitStatus op_cfdb(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
+ gen_helper_cfdb(o->out, cpu_env, o->in2, m3);
+ tcg_temp_free_i32(m3);
+ gen_set_cc_nz_f64(s, o->in2);
+ return NO_EXIT;
+}
+
+static ExitStatus op_cfxb(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
+ gen_helper_cfxb(o->out, cpu_env, o->in1, o->in2, m3);
+ tcg_temp_free_i32(m3);
+ gen_set_cc_nz_f128(s, o->in1, o->in2);
+ return NO_EXIT;
+}
+
+static ExitStatus op_cgeb(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
+ gen_helper_cgeb(o->out, cpu_env, o->in2, m3);
+ tcg_temp_free_i32(m3);
+ gen_set_cc_nz_f32(s, o->in2);
+ return NO_EXIT;
+}
+
+static ExitStatus op_cgdb(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
+ gen_helper_cgdb(o->out, cpu_env, o->in2, m3);
+ tcg_temp_free_i32(m3);
+ gen_set_cc_nz_f64(s, o->in2);
+ return NO_EXIT;
+}
+
+static ExitStatus op_cgxb(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
+ gen_helper_cgxb(o->out, cpu_env, o->in1, o->in2, m3);
+ tcg_temp_free_i32(m3);
+ gen_set_cc_nz_f128(s, o->in1, o->in2);
+ return NO_EXIT;
+}
+
+static ExitStatus op_cegb(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
+ gen_helper_cegb(o->out, cpu_env, o->in2, m3);
+ tcg_temp_free_i32(m3);
+ return NO_EXIT;
+}
+
+static ExitStatus op_cdgb(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
+ gen_helper_cdgb(o->out, cpu_env, o->in2, m3);
+ tcg_temp_free_i32(m3);
+ return NO_EXIT;
+}
+
+static ExitStatus op_cxgb(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
+ gen_helper_cxgb(o->out, cpu_env, o->in2, m3);
+ tcg_temp_free_i32(m3);
+ return_low128(o->out2);
+ return NO_EXIT;
+}
+
+static ExitStatus op_cksm(DisasContext *s, DisasOps *o)
+{
+ int r2 = get_field(s->fields, r2);
+ TCGv_i64 len = tcg_temp_new_i64();
+
+ potential_page_fault(s);
+ gen_helper_cksm(len, cpu_env, o->in1, o->in2, regs[r2 + 1]);
+ set_cc_static(s);
+ return_low128(o->out);
+
+ tcg_gen_add_i64(regs[r2], regs[r2], len);
+ tcg_gen_sub_i64(regs[r2 + 1], regs[r2 + 1], len);
+ tcg_temp_free_i64(len);
+
+ return NO_EXIT;
+}
+
+static ExitStatus op_clc(DisasContext *s, DisasOps *o)
+{
+ int l = get_field(s->fields, l1);
+ TCGv_i32 vl;
+
+ switch (l + 1) {
+ case 1:
+ tcg_gen_qemu_ld8u(cc_src, o->addr1, get_mem_index(s));
+ tcg_gen_qemu_ld8u(cc_dst, o->in2, get_mem_index(s));
break;
- case 0x9d: /* LFPC D2(B2) [S] */
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- tmp = get_address(s, 0, b2, d2);
- tmp2 = tcg_temp_new_i64();
- tmp32_1 = tcg_temp_new_i32();
- tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
- tcg_gen_trunc_i64_i32(tmp32_1, tmp2);
- tcg_gen_st_i32(tmp32_1, cpu_env, offsetof(CPUS390XState, fpc));
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- tcg_temp_free_i32(tmp32_1);
+ case 2:
+ tcg_gen_qemu_ld16u(cc_src, o->addr1, get_mem_index(s));
+ tcg_gen_qemu_ld16u(cc_dst, o->in2, get_mem_index(s));
break;
- case 0xb1: /* STFL D2(B2) [S] */
- /* Store Facility List (CPU features) at 200 */
- check_privileged(s);
- tmp2 = tcg_const_i64(0xc0000000);
- tmp = tcg_const_i64(200);
- tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s));
- tcg_temp_free_i64(tmp2);
- tcg_temp_free_i64(tmp);
+ case 4:
+ tcg_gen_qemu_ld32u(cc_src, o->addr1, get_mem_index(s));
+ tcg_gen_qemu_ld32u(cc_dst, o->in2, get_mem_index(s));
break;
- case 0xb2: /* LPSWE D2(B2) [S] */
- /* Load PSW Extended */
- check_privileged(s);
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- tmp = get_address(s, 0, b2, d2);
- tmp2 = tcg_temp_new_i64();
- tmp3 = tcg_temp_new_i64();
- tcg_gen_qemu_ld64(tmp2, tmp, get_mem_index(s));
- tcg_gen_addi_i64(tmp, tmp, 8);
- tcg_gen_qemu_ld64(tmp3, tmp, get_mem_index(s));
- gen_helper_load_psw(cpu_env, tmp2, tmp3);
- /* we need to keep cc_op intact */
- s->is_jmp = DISAS_JUMP;
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- tcg_temp_free_i64(tmp3);
+ case 8:
+ tcg_gen_qemu_ld64(cc_src, o->addr1, get_mem_index(s));
+ tcg_gen_qemu_ld64(cc_dst, o->in2, get_mem_index(s));
break;
- case 0x20: /* SERVC R1,R2 [RRE] */
- /* SCLP Service call (PV hypercall) */
- check_privileged(s);
+ default:
potential_page_fault(s);
- tmp32_1 = load_reg32(r2);
- tmp = load_reg(r1);
- gen_helper_servc(cc_op, cpu_env, tmp32_1, tmp);
+ vl = tcg_const_i32(l);
+ gen_helper_clc(cc_op, cpu_env, vl, o->addr1, o->in2);
+ tcg_temp_free_i32(vl);
set_cc_static(s);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i64(tmp);
- break;
-#endif
- default:
- LOG_DISAS("illegal b2 operation 0x%x\n", op);
- gen_illegal_opcode(s);
- break;
+ return NO_EXIT;
}
+ gen_op_update2_cc_i64(s, CC_OP_LTUGTU_64, cc_src, cc_dst);
+ return NO_EXIT;
}
-static void disas_b3(CPUS390XState *env, DisasContext *s, int op, int m3,
- int r1, int r2)
+static ExitStatus op_clcle(DisasContext *s, DisasOps *o)
{
- TCGv_i64 tmp;
- TCGv_i32 tmp32_1, tmp32_2, tmp32_3;
- LOG_DISAS("disas_b3: op 0x%x m3 0x%x r1 %d r2 %d\n", op, m3, r1, r2);
-#define FP_HELPER(i) \
- tmp32_1 = tcg_const_i32(r1); \
- tmp32_2 = tcg_const_i32(r2); \
- gen_helper_ ## i(cpu_env, tmp32_1, tmp32_2); \
- tcg_temp_free_i32(tmp32_1); \
- tcg_temp_free_i32(tmp32_2);
-
-#define FP_HELPER_CC(i) \
- tmp32_1 = tcg_const_i32(r1); \
- tmp32_2 = tcg_const_i32(r2); \
- gen_helper_ ## i(cc_op, cpu_env, tmp32_1, tmp32_2); \
- set_cc_static(s); \
- tcg_temp_free_i32(tmp32_1); \
- tcg_temp_free_i32(tmp32_2);
+ TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1));
+ TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3));
+ potential_page_fault(s);
+ gen_helper_clcle(cc_op, cpu_env, r1, o->in2, r3);
+ tcg_temp_free_i32(r1);
+ tcg_temp_free_i32(r3);
+ set_cc_static(s);
+ return NO_EXIT;
+}
- switch (op) {
- case 0x0: /* LPEBR R1,R2 [RRE] */
- FP_HELPER_CC(lpebr);
- break;
- case 0x2: /* LTEBR R1,R2 [RRE] */
- FP_HELPER_CC(ltebr);
- break;
- case 0x3: /* LCEBR R1,R2 [RRE] */
- FP_HELPER_CC(lcebr);
- break;
- case 0x4: /* LDEBR R1,R2 [RRE] */
- FP_HELPER(ldebr);
- break;
- case 0x5: /* LXDBR R1,R2 [RRE] */
- FP_HELPER(lxdbr);
- break;
- case 0x9: /* CEBR R1,R2 [RRE] */
- FP_HELPER_CC(cebr);
- break;
- case 0xa: /* AEBR R1,R2 [RRE] */
- FP_HELPER_CC(aebr);
- break;
- case 0xb: /* SEBR R1,R2 [RRE] */
- FP_HELPER_CC(sebr);
- break;
- case 0xd: /* DEBR R1,R2 [RRE] */
- FP_HELPER(debr);
- break;
- case 0x10: /* LPDBR R1,R2 [RRE] */
- FP_HELPER_CC(lpdbr);
- break;
- case 0x12: /* LTDBR R1,R2 [RRE] */
- FP_HELPER_CC(ltdbr);
- break;
- case 0x13: /* LCDBR R1,R2 [RRE] */
- FP_HELPER_CC(lcdbr);
- break;
- case 0x15: /* SQBDR R1,R2 [RRE] */
- FP_HELPER(sqdbr);
- break;
- case 0x17: /* MEEBR R1,R2 [RRE] */
- FP_HELPER(meebr);
- break;
- case 0x19: /* CDBR R1,R2 [RRE] */
- FP_HELPER_CC(cdbr);
- break;
- case 0x1a: /* ADBR R1,R2 [RRE] */
- FP_HELPER_CC(adbr);
- break;
- case 0x1b: /* SDBR R1,R2 [RRE] */
- FP_HELPER_CC(sdbr);
- break;
- case 0x1c: /* MDBR R1,R2 [RRE] */
- FP_HELPER(mdbr);
- break;
- case 0x1d: /* DDBR R1,R2 [RRE] */
- FP_HELPER(ddbr);
- break;
- case 0xe: /* MAEBR R1,R3,R2 [RRF] */
- case 0x1e: /* MADBR R1,R3,R2 [RRF] */
- case 0x1f: /* MSDBR R1,R3,R2 [RRF] */
- /* for RRF insns, m3 is R1, r1 is R3, and r2 is R2 */
- tmp32_1 = tcg_const_i32(m3);
- tmp32_2 = tcg_const_i32(r2);
- tmp32_3 = tcg_const_i32(r1);
- switch (op) {
- case 0xe:
- gen_helper_maebr(cpu_env, tmp32_1, tmp32_3, tmp32_2);
- break;
- case 0x1e:
- gen_helper_madbr(cpu_env, tmp32_1, tmp32_3, tmp32_2);
- break;
- case 0x1f:
- gen_helper_msdbr(cpu_env, tmp32_1, tmp32_3, tmp32_2);
- break;
- default:
- tcg_abort();
- }
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i32(tmp32_2);
- tcg_temp_free_i32(tmp32_3);
- break;
- case 0x40: /* LPXBR R1,R2 [RRE] */
- FP_HELPER_CC(lpxbr);
- break;
- case 0x42: /* LTXBR R1,R2 [RRE] */
- FP_HELPER_CC(ltxbr);
- break;
- case 0x43: /* LCXBR R1,R2 [RRE] */
- FP_HELPER_CC(lcxbr);
- break;
- case 0x44: /* LEDBR R1,R2 [RRE] */
- FP_HELPER(ledbr);
- break;
- case 0x45: /* LDXBR R1,R2 [RRE] */
- FP_HELPER(ldxbr);
- break;
- case 0x46: /* LEXBR R1,R2 [RRE] */
- FP_HELPER(lexbr);
- break;
- case 0x49: /* CXBR R1,R2 [RRE] */
- FP_HELPER_CC(cxbr);
- break;
- case 0x4a: /* AXBR R1,R2 [RRE] */
- FP_HELPER_CC(axbr);
- break;
- case 0x4b: /* SXBR R1,R2 [RRE] */
- FP_HELPER_CC(sxbr);
- break;
- case 0x4c: /* MXBR R1,R2 [RRE] */
- FP_HELPER(mxbr);
- break;
- case 0x4d: /* DXBR R1,R2 [RRE] */
- FP_HELPER(dxbr);
- break;
- case 0x65: /* LXR R1,R2 [RRE] */
- tmp = load_freg(r2);
- store_freg(r1, tmp);
- tcg_temp_free_i64(tmp);
- tmp = load_freg(r2 + 2);
- store_freg(r1 + 2, tmp);
- tcg_temp_free_i64(tmp);
- break;
- case 0x74: /* LZER R1 [RRE] */
- tmp32_1 = tcg_const_i32(r1);
- gen_helper_lzer(cpu_env, tmp32_1);
- tcg_temp_free_i32(tmp32_1);
- break;
- case 0x75: /* LZDR R1 [RRE] */
- tmp32_1 = tcg_const_i32(r1);
- gen_helper_lzdr(cpu_env, tmp32_1);
- tcg_temp_free_i32(tmp32_1);
- break;
- case 0x76: /* LZXR R1 [RRE] */
- tmp32_1 = tcg_const_i32(r1);
- gen_helper_lzxr(cpu_env, tmp32_1);
- tcg_temp_free_i32(tmp32_1);
- break;
- case 0x84: /* SFPC R1 [RRE] */
- tmp32_1 = load_reg32(r1);
- tcg_gen_st_i32(tmp32_1, cpu_env, offsetof(CPUS390XState, fpc));
- tcg_temp_free_i32(tmp32_1);
- break;
- case 0x8c: /* EFPC R1 [RRE] */
- tmp32_1 = tcg_temp_new_i32();
- tcg_gen_ld_i32(tmp32_1, cpu_env, offsetof(CPUS390XState, fpc));
- store_reg32(r1, tmp32_1);
- tcg_temp_free_i32(tmp32_1);
- break;
- case 0x94: /* CEFBR R1,R2 [RRE] */
- case 0x95: /* CDFBR R1,R2 [RRE] */
- case 0x96: /* CXFBR R1,R2 [RRE] */
- tmp32_1 = tcg_const_i32(r1);
- tmp32_2 = load_reg32(r2);
- switch (op) {
- case 0x94:
- gen_helper_cefbr(cpu_env, tmp32_1, tmp32_2);
- break;
- case 0x95:
- gen_helper_cdfbr(cpu_env, tmp32_1, tmp32_2);
- break;
- case 0x96:
- gen_helper_cxfbr(cpu_env, tmp32_1, tmp32_2);
- break;
- default:
- tcg_abort();
- }
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i32(tmp32_2);
- break;
- case 0x98: /* CFEBR R1,R2 [RRE] */
- case 0x99: /* CFDBR R1,R2 [RRE] */
- case 0x9a: /* CFXBR R1,R2 [RRE] */
- tmp32_1 = tcg_const_i32(r1);
- tmp32_2 = tcg_const_i32(r2);
- tmp32_3 = tcg_const_i32(m3);
- switch (op) {
- case 0x98:
- gen_helper_cfebr(cc_op, cpu_env, tmp32_1, tmp32_2, tmp32_3);
- break;
- case 0x99:
- gen_helper_cfdbr(cc_op, cpu_env, tmp32_1, tmp32_2, tmp32_3);
- break;
- case 0x9a:
- gen_helper_cfxbr(cc_op, cpu_env, tmp32_1, tmp32_2, tmp32_3);
- break;
- default:
- tcg_abort();
- }
- set_cc_static(s);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i32(tmp32_2);
- tcg_temp_free_i32(tmp32_3);
- break;
- case 0xa4: /* CEGBR R1,R2 [RRE] */
- case 0xa5: /* CDGBR R1,R2 [RRE] */
- tmp32_1 = tcg_const_i32(r1);
- tmp = load_reg(r2);
- switch (op) {
- case 0xa4:
- gen_helper_cegbr(cpu_env, tmp32_1, tmp);
- break;
- case 0xa5:
- gen_helper_cdgbr(cpu_env, tmp32_1, tmp);
- break;
- default:
- tcg_abort();
- }
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i64(tmp);
- break;
- case 0xa6: /* CXGBR R1,R2 [RRE] */
- tmp32_1 = tcg_const_i32(r1);
- tmp = load_reg(r2);
- gen_helper_cxgbr(cpu_env, tmp32_1, tmp);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i64(tmp);
- break;
- case 0xa8: /* CGEBR R1,R2 [RRE] */
- tmp32_1 = tcg_const_i32(r1);
- tmp32_2 = tcg_const_i32(r2);
- tmp32_3 = tcg_const_i32(m3);
- gen_helper_cgebr(cc_op, cpu_env, tmp32_1, tmp32_2, tmp32_3);
- set_cc_static(s);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i32(tmp32_2);
- tcg_temp_free_i32(tmp32_3);
- break;
- case 0xa9: /* CGDBR R1,R2 [RRE] */
- tmp32_1 = tcg_const_i32(r1);
- tmp32_2 = tcg_const_i32(r2);
- tmp32_3 = tcg_const_i32(m3);
- gen_helper_cgdbr(cc_op, cpu_env, tmp32_1, tmp32_2, tmp32_3);
- set_cc_static(s);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i32(tmp32_2);
- tcg_temp_free_i32(tmp32_3);
- break;
- case 0xaa: /* CGXBR R1,R2 [RRE] */
- tmp32_1 = tcg_const_i32(r1);
- tmp32_2 = tcg_const_i32(r2);
- tmp32_3 = tcg_const_i32(m3);
- gen_helper_cgxbr(cc_op, cpu_env, tmp32_1, tmp32_2, tmp32_3);
- set_cc_static(s);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i32(tmp32_2);
- tcg_temp_free_i32(tmp32_3);
- break;
- default:
- LOG_DISAS("illegal b3 operation 0x%x\n", op);
- gen_illegal_opcode(s);
- break;
- }
+static ExitStatus op_clm(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));
+ TCGv_i32 t1 = tcg_temp_new_i32();
+ tcg_gen_trunc_i64_i32(t1, o->in1);
+ potential_page_fault(s);
+ gen_helper_clm(cc_op, cpu_env, t1, m3, o->in2);
+ set_cc_static(s);
+ tcg_temp_free_i32(t1);
+ tcg_temp_free_i32(m3);
+ return NO_EXIT;
+}
+
+static ExitStatus op_clst(DisasContext *s, DisasOps *o)
+{
+ potential_page_fault(s);
+ gen_helper_clst(o->in1, cpu_env, regs[0], o->in1, o->in2);
+ set_cc_static(s);
+ return_low128(o->in2);
+ return NO_EXIT;
+}
+
+static ExitStatus op_cs(DisasContext *s, DisasOps *o)
+{
+ int r3 = get_field(s->fields, r3);
+ potential_page_fault(s);
+ gen_helper_cs(o->out, cpu_env, o->in1, o->in2, regs[r3]);
+ set_cc_static(s);
+ return NO_EXIT;
+}
+
+static ExitStatus op_csg(DisasContext *s, DisasOps *o)
+{
+ int r3 = get_field(s->fields, r3);
+ potential_page_fault(s);
+ gen_helper_csg(o->out, cpu_env, o->in1, o->in2, regs[r3]);
+ set_cc_static(s);
+ return NO_EXIT;
+}
-#undef FP_HELPER_CC
-#undef FP_HELPER
+static ExitStatus op_cds(DisasContext *s, DisasOps *o)
+{
+ int r3 = get_field(s->fields, r3);
+ TCGv_i64 in3 = tcg_temp_new_i64();
+ tcg_gen_deposit_i64(in3, regs[r3 + 1], regs[r3], 32, 32);
+ potential_page_fault(s);
+ gen_helper_csg(o->out, cpu_env, o->in1, o->in2, in3);
+ tcg_temp_free_i64(in3);
+ set_cc_static(s);
+ return NO_EXIT;
}
-static void disas_b9(CPUS390XState *env, DisasContext *s, int op, int r1,
- int r2)
+static ExitStatus op_cdsg(DisasContext *s, DisasOps *o)
{
- TCGv_i64 tmp;
- TCGv_i32 tmp32_1;
+ TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1));
+ TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3));
+ potential_page_fault(s);
+ /* XXX rewrite in tcg */
+ gen_helper_cdsg(cc_op, cpu_env, r1, o->in2, r3);
+ set_cc_static(s);
+ return NO_EXIT;
+}
- LOG_DISAS("disas_b9: op 0x%x r1 %d r2 %d\n", op, r1, r2);
- switch (op) {
- case 0x17: /* LLGTR R1,R2 [RRE] */
- tmp32_1 = load_reg32(r2);
- tmp = tcg_temp_new_i64();
- tcg_gen_andi_i32(tmp32_1, tmp32_1, 0x7fffffffUL);
- tcg_gen_extu_i32_i64(tmp, tmp32_1);
- store_reg(r1, tmp);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i64(tmp);
- break;
- case 0x0f: /* LRVGR R1,R2 [RRE] */
- tcg_gen_bswap64_i64(regs[r1], regs[r2]);
- break;
- case 0x1f: /* LRVR R1,R2 [RRE] */
- tmp32_1 = load_reg32(r2);
- tcg_gen_bswap32_i32(tmp32_1, tmp32_1);
- store_reg32(r1, tmp32_1);
- tcg_temp_free_i32(tmp32_1);
- break;
- case 0x83: /* FLOGR R1,R2 [RRE] */
- tmp = load_reg(r2);
- tmp32_1 = tcg_const_i32(r1);
- gen_helper_flogr(cc_op, cpu_env, tmp32_1, tmp);
- set_cc_static(s);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i32(tmp32_1);
- break;
- default:
- LOG_DISAS("illegal b9 operation 0x%x\n", op);
- gen_illegal_opcode(s);
- break;
- }
+static ExitStatus op_cvd(DisasContext *s, DisasOps *o)
+{
+ TCGv_i64 t1 = tcg_temp_new_i64();
+ TCGv_i32 t2 = tcg_temp_new_i32();
+ tcg_gen_trunc_i64_i32(t2, o->in1);
+ gen_helper_cvd(t1, t2);
+ tcg_temp_free_i32(t2);
+ tcg_gen_qemu_st64(t1, o->in2, get_mem_index(s));
+ tcg_temp_free_i64(t1);
+ return NO_EXIT;
}
-static void disas_s390_insn(CPUS390XState *env, DisasContext *s)
+#ifndef CONFIG_USER_ONLY
+static ExitStatus op_diag(DisasContext *s, DisasOps *o)
{
- TCGv_i64 tmp, tmp2;
- TCGv_i32 tmp32_1, tmp32_2;
- unsigned char opc;
- uint64_t insn;
- int op, r1, r2, r3, d1, d2, x2, b1, b2, r1b;
- TCGv_i32 vl;
+ TCGv_i32 tmp;
- opc = cpu_ldub_code(env, s->pc);
- LOG_DISAS("opc 0x%x\n", opc);
+ check_privileged(s);
+ potential_page_fault(s);
- switch (opc) {
-#ifndef CONFIG_USER_ONLY
- case 0xae: /* SIGP R1,R3,D2(B2) [RS] */
- check_privileged(s);
- insn = ld_code4(env, s->pc);
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- tmp = get_address(s, 0, b2, d2);
- tmp2 = load_reg(r3);
- tmp32_1 = tcg_const_i32(r1);
- potential_page_fault(s);
- gen_helper_sigp(cc_op, cpu_env, tmp, tmp32_1, tmp2);
- set_cc_static(s);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- tcg_temp_free_i32(tmp32_1);
- break;
- case 0xb1: /* LRA R1,D2(X2, B2) [RX] */
- check_privileged(s);
- insn = ld_code4(env, s->pc);
- tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
- tmp32_1 = tcg_const_i32(r1);
- potential_page_fault(s);
- gen_helper_lra(cc_op, cpu_env, tmp, tmp32_1);
- set_cc_static(s);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i32(tmp32_1);
- break;
-#endif
- case 0xb2:
- insn = ld_code4(env, s->pc);
- op = (insn >> 16) & 0xff;
- switch (op) {
- case 0x9c: /* STFPC D2(B2) [S] */
- d2 = insn & 0xfff;
- b2 = (insn >> 12) & 0xf;
- tmp32_1 = tcg_temp_new_i32();
- tmp = tcg_temp_new_i64();
- tmp2 = get_address(s, 0, b2, d2);
- tcg_gen_ld_i32(tmp32_1, cpu_env, offsetof(CPUS390XState, fpc));
- tcg_gen_extu_i32_i64(tmp, tmp32_1);
- tcg_gen_qemu_st32(tmp, tmp2, get_mem_index(s));
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- break;
- default:
- disas_b2(env, s, op, insn);
- break;
- }
- break;
- case 0xb3:
- insn = ld_code4(env, s->pc);
- op = (insn >> 16) & 0xff;
- r3 = (insn >> 12) & 0xf; /* aka m3 */
- r1 = (insn >> 4) & 0xf;
- r2 = insn & 0xf;
- disas_b3(env, s, op, r3, r1, r2);
- break;
-#ifndef CONFIG_USER_ONLY
- case 0xb6: /* STCTL R1,R3,D2(B2) [RS] */
- /* Store Control */
- check_privileged(s);
- insn = ld_code4(env, s->pc);
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- tmp = get_address(s, 0, b2, d2);
- tmp32_1 = tcg_const_i32(r1);
- tmp32_2 = tcg_const_i32(r3);
- potential_page_fault(s);
- gen_helper_stctl(cpu_env, tmp32_1, tmp, tmp32_2);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i32(tmp32_2);
- break;
- case 0xb7: /* LCTL R1,R3,D2(B2) [RS] */
- /* Load Control */
- check_privileged(s);
- insn = ld_code4(env, s->pc);
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- tmp = get_address(s, 0, b2, d2);
- tmp32_1 = tcg_const_i32(r1);
- tmp32_2 = tcg_const_i32(r3);
- potential_page_fault(s);
- gen_helper_lctl(cpu_env, tmp32_1, tmp, tmp32_2);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i32(tmp32_2);
- break;
-#endif
- case 0xb9:
- insn = ld_code4(env, s->pc);
- r1 = (insn >> 4) & 0xf;
- r2 = insn & 0xf;
- op = (insn >> 16) & 0xff;
- disas_b9(env, s, op, r1, r2);
- break;
- case 0xba: /* CS R1,R3,D2(B2) [RS] */
- insn = ld_code4(env, s->pc);
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- tmp = get_address(s, 0, b2, d2);
- tmp32_1 = tcg_const_i32(r1);
- tmp32_2 = tcg_const_i32(r3);
- potential_page_fault(s);
- gen_helper_cs(cc_op, cpu_env, tmp32_1, tmp, tmp32_2);
- set_cc_static(s);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i32(tmp32_2);
- break;
- case 0xbd: /* CLM R1,M3,D2(B2) [RS] */
- insn = ld_code4(env, s->pc);
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- tmp = get_address(s, 0, b2, d2);
- tmp32_1 = load_reg32(r1);
- tmp32_2 = tcg_const_i32(r3);
- potential_page_fault(s);
- gen_helper_clm(cc_op, cpu_env, tmp32_1, tmp32_2, tmp);
- set_cc_static(s);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i32(tmp32_2);
- break;
- case 0xbe: /* STCM R1,M3,D2(B2) [RS] */
- insn = ld_code4(env, s->pc);
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- tmp = get_address(s, 0, b2, d2);
- tmp32_1 = load_reg32(r1);
- tmp32_2 = tcg_const_i32(r3);
- potential_page_fault(s);
- gen_helper_stcm(cpu_env, tmp32_1, tmp32_2, tmp);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i32(tmp32_2);
- break;
- case 0xd4: /* NC D1(L,B1),D2(B2) [SS] */
- case 0xd5: /* CLC D1(L,B1),D2(B2) [SS] */
- case 0xd6: /* OC D1(L,B1),D2(B2) [SS] */
- case 0xd7: /* XC D1(L,B1),D2(B2) [SS] */
- case 0xdc: /* TR D1(L,B1),D2(B2) [SS] */
- case 0xf3: /* UNPK D1(L1,B1),D2(L2,B2) [SS] */
- insn = ld_code6(env, s->pc);
- vl = tcg_const_i32((insn >> 32) & 0xff);
- b1 = (insn >> 28) & 0xf;
- b2 = (insn >> 12) & 0xf;
- d1 = (insn >> 16) & 0xfff;
- d2 = insn & 0xfff;
- tmp = get_address(s, 0, b1, d1);
- tmp2 = get_address(s, 0, b2, d2);
- switch (opc) {
- case 0xd4:
- potential_page_fault(s);
- gen_helper_nc(cc_op, cpu_env, vl, tmp, tmp2);
- set_cc_static(s);
- break;
- case 0xd5:
- gen_op_clc(s, (insn >> 32) & 0xff, tmp, tmp2);
- break;
- case 0xd6:
- potential_page_fault(s);
- gen_helper_oc(cc_op, cpu_env, vl, tmp, tmp2);
- set_cc_static(s);
- break;
- case 0xd7:
- potential_page_fault(s);
- gen_helper_xc(cc_op, cpu_env, vl, tmp, tmp2);
- set_cc_static(s);
- break;
- case 0xdc:
- potential_page_fault(s);
- gen_helper_tr(cpu_env, vl, tmp, tmp2);
- set_cc_static(s);
- break;
- case 0xf3:
- potential_page_fault(s);
- gen_helper_unpk(cpu_env, vl, tmp, tmp2);
- break;
- default:
- tcg_abort();
- }
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- break;
-#ifndef CONFIG_USER_ONLY
- case 0xda: /* MVCP D1(R1,B1),D2(B2),R3 [SS] */
- case 0xdb: /* MVCS D1(R1,B1),D2(B2),R3 [SS] */
- check_privileged(s);
- potential_page_fault(s);
- insn = ld_code6(env, s->pc);
- r1 = (insn >> 36) & 0xf;
- r3 = (insn >> 32) & 0xf;
- b1 = (insn >> 28) & 0xf;
- d1 = (insn >> 16) & 0xfff;
- b2 = (insn >> 12) & 0xf;
- d2 = insn & 0xfff;
- /* XXX key in r3 */
- tmp = get_address(s, 0, b1, d1);
- tmp2 = get_address(s, 0, b2, d2);
- if (opc == 0xda) {
- gen_helper_mvcp(cc_op, cpu_env, regs[r1], tmp, tmp2);
- } else {
- gen_helper_mvcs(cc_op, cpu_env, regs[r1], tmp, tmp2);
- }
- set_cc_static(s);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- break;
-#endif
- case 0xe3:
- insn = ld_code6(env, s->pc);
- debug_insn(insn);
- op = insn & 0xff;
- r1 = (insn >> 36) & 0xf;
- x2 = (insn >> 32) & 0xf;
- b2 = (insn >> 28) & 0xf;
- d2 = ((int)((((insn >> 16) & 0xfff)
- | ((insn << 4) & 0xff000)) << 12)) >> 12;
- disas_e3(env, s, op, r1, x2, b2, d2 );
- break;
-#ifndef CONFIG_USER_ONLY
- case 0xe5:
- /* Test Protection */
- check_privileged(s);
- insn = ld_code6(env, s->pc);
- debug_insn(insn);
- disas_e5(env, s, insn);
- break;
-#endif
- case 0xeb:
- insn = ld_code6(env, s->pc);
- debug_insn(insn);
- op = insn & 0xff;
- r1 = (insn >> 36) & 0xf;
- r3 = (insn >> 32) & 0xf;
- b2 = (insn >> 28) & 0xf;
- d2 = ((int)((((insn >> 16) & 0xfff)
- | ((insn << 4) & 0xff000)) << 12)) >> 12;
- disas_eb(env, s, op, r1, r3, b2, d2);
- break;
- case 0xed:
- insn = ld_code6(env, s->pc);
- debug_insn(insn);
- op = insn & 0xff;
- r1 = (insn >> 36) & 0xf;
- x2 = (insn >> 32) & 0xf;
- b2 = (insn >> 28) & 0xf;
- d2 = (short)((insn >> 16) & 0xfff);
- r1b = (insn >> 12) & 0xf;
- disas_ed(env, s, op, r1, x2, b2, d2, r1b);
- break;
- default:
- qemu_log_mask(LOG_UNIMP, "unimplemented opcode 0x%x\n", opc);
- gen_illegal_opcode(s);
- break;
- }
+ /* We pretend the format is RX_a so that D2 is the field we want. */
+ tmp = tcg_const_i32(get_field(s->fields, d2) & 0xfff);
+ gen_helper_diag(regs[2], cpu_env, tmp, regs[2], regs[1]);
+ tcg_temp_free_i32(tmp);
+ return NO_EXIT;
}
+#endif
-/* ====================================================================== */
-/* Define the insn format enumeration. */
-#define F0(N) FMT_##N,
-#define F1(N, X1) F0(N)
-#define F2(N, X1, X2) F0(N)
-#define F3(N, X1, X2, X3) F0(N)
-#define F4(N, X1, X2, X3, X4) F0(N)
-#define F5(N, X1, X2, X3, X4, X5) F0(N)
+static ExitStatus op_divs32(DisasContext *s, DisasOps *o)
+{
+ gen_helper_divs32(o->out2, cpu_env, o->in1, o->in2);
+ return_low128(o->out);
+ return NO_EXIT;
+}
-typedef enum {
-#include "insn-format.def"
-} DisasFormat;
+static ExitStatus op_divu32(DisasContext *s, DisasOps *o)
+{
+ gen_helper_divu32(o->out2, cpu_env, o->in1, o->in2);
+ return_low128(o->out);
+ return NO_EXIT;
+}
-#undef F0
-#undef F1
-#undef F2
-#undef F3
-#undef F4
-#undef F5
+static ExitStatus op_divs64(DisasContext *s, DisasOps *o)
+{
+ gen_helper_divs64(o->out2, cpu_env, o->in1, o->in2);
+ return_low128(o->out);
+ return NO_EXIT;
+}
-/* Define a structure to hold the decoded fields. We'll store each inside
- an array indexed by an enum. In order to conserve memory, we'll arrange
- for fields that do not exist at the same time to overlap, thus the "C"
- for compact. For checking purposes there is an "O" for original index
- as well that will be applied to availability bitmaps. */
+static ExitStatus op_divu64(DisasContext *s, DisasOps *o)
+{
+ gen_helper_divu64(o->out2, cpu_env, o->out, o->out2, o->in2);
+ return_low128(o->out);
+ return NO_EXIT;
+}
-enum DisasFieldIndexO {
- FLD_O_r1,
- FLD_O_r2,
- FLD_O_r3,
- FLD_O_m1,
- FLD_O_m3,
- FLD_O_m4,
- FLD_O_b1,
- FLD_O_b2,
- FLD_O_b4,
- FLD_O_d1,
- FLD_O_d2,
- FLD_O_d4,
- FLD_O_x2,
- FLD_O_l1,
- FLD_O_l2,
- FLD_O_i1,
- FLD_O_i2,
- FLD_O_i3,
- FLD_O_i4,
- FLD_O_i5
-};
+static ExitStatus op_deb(DisasContext *s, DisasOps *o)
+{
+ gen_helper_deb(o->out, cpu_env, o->in1, o->in2);
+ return NO_EXIT;
+}
-enum DisasFieldIndexC {
- FLD_C_r1 = 0,
- FLD_C_m1 = 0,
- FLD_C_b1 = 0,
- FLD_C_i1 = 0,
+static ExitStatus op_ddb(DisasContext *s, DisasOps *o)
+{
+ gen_helper_ddb(o->out, cpu_env, o->in1, o->in2);
+ return NO_EXIT;
+}
- FLD_C_r2 = 1,
- FLD_C_b2 = 1,
- FLD_C_i2 = 1,
+static ExitStatus op_dxb(DisasContext *s, DisasOps *o)
+{
+ gen_helper_dxb(o->out, cpu_env, o->out, o->out2, o->in1, o->in2);
+ return_low128(o->out2);
+ return NO_EXIT;
+}
- FLD_C_r3 = 2,
- FLD_C_m3 = 2,
- FLD_C_i3 = 2,
+static ExitStatus op_ear(DisasContext *s, DisasOps *o)
+{
+ int r2 = get_field(s->fields, r2);
+ tcg_gen_ld32u_i64(o->out, cpu_env, offsetof(CPUS390XState, aregs[r2]));
+ return NO_EXIT;
+}
- FLD_C_m4 = 3,
- FLD_C_b4 = 3,
- FLD_C_i4 = 3,
- FLD_C_l1 = 3,
+static ExitStatus op_efpc(DisasContext *s, DisasOps *o)
+{
+ tcg_gen_ld32u_i64(o->out, cpu_env, offsetof(CPUS390XState, fpc));
+ return NO_EXIT;
+}
- FLD_C_i5 = 4,
- FLD_C_d1 = 4,
+static ExitStatus op_ex(DisasContext *s, DisasOps *o)
+{
+ /* ??? Perhaps a better way to implement EXECUTE is to set a bit in
+ tb->flags, (ab)use the tb->cs_base field as the address of
+ the template in memory, and grab 8 bits of tb->flags/cflags for
+ the contents of the register. We would then recognize all this
+ in gen_intermediate_code_internal, generating code for exactly
+ one instruction. This new TB then gets executed normally.
- FLD_C_d2 = 5,
+ On the other hand, this seems to be mostly used for modifying
+ MVC inside of memcpy, which needs a helper call anyway. So
+ perhaps this doesn't bear thinking about any further. */
- FLD_C_d4 = 6,
- FLD_C_x2 = 6,
- FLD_C_l2 = 6,
+ TCGv_i64 tmp;
- NUM_C_FIELD = 7
-};
+ update_psw_addr(s);
+ gen_op_calc_cc(s);
-struct DisasFields {
- unsigned op:8;
- unsigned op2:8;
- unsigned presentC:16;
- unsigned int presentO;
- int c[NUM_C_FIELD];
-};
+ tmp = tcg_const_i64(s->next_pc);
+ gen_helper_ex(cc_op, cpu_env, cc_op, o->in1, o->in2, tmp);
+ tcg_temp_free_i64(tmp);
-/* This is the way fields are to be accessed out of DisasFields. */
-#define have_field(S, F) have_field1((S), FLD_O_##F)
-#define get_field(S, F) get_field1((S), FLD_O_##F, FLD_C_##F)
+ set_cc_static(s);
+ return NO_EXIT;
+}
-static bool have_field1(const DisasFields *f, enum DisasFieldIndexO c)
+static ExitStatus op_flogr(DisasContext *s, DisasOps *o)
{
- return (f->presentO >> c) & 1;
+ /* We'll use the original input for cc computation, since we get to
+ compare that against 0, which ought to be better than comparing
+ the real output against 64. It also lets cc_dst be a convenient
+ temporary during our computation. */
+ gen_op_update1_cc_i64(s, CC_OP_FLOGR, o->in2);
+
+ /* R1 = IN ? CLZ(IN) : 64. */
+ gen_helper_clz(o->out, o->in2);
+
+ /* R1+1 = IN & ~(found bit). Note that we may attempt to shift this
+ value by 64, which is undefined. But since the shift is 64 iff the
+ input is zero, we still get the correct result after and'ing. */
+ tcg_gen_movi_i64(o->out2, 0x8000000000000000ull);
+ tcg_gen_shr_i64(o->out2, o->out2, o->out);
+ tcg_gen_andc_i64(o->out2, cc_dst, o->out2);
+ return NO_EXIT;
}
-static int get_field1(const DisasFields *f, enum DisasFieldIndexO o,
- enum DisasFieldIndexC c)
+static ExitStatus op_icm(DisasContext *s, DisasOps *o)
{
- assert(have_field1(f, o));
- return f->c[c];
+ int m3 = get_field(s->fields, m3);
+ int pos, len, base = s->insn->data;
+ TCGv_i64 tmp = tcg_temp_new_i64();
+ uint64_t ccm;
+
+ switch (m3) {
+ case 0xf:
+ /* Effectively a 32-bit load. */
+ tcg_gen_qemu_ld32u(tmp, o->in2, get_mem_index(s));
+ len = 32;
+ goto one_insert;
+
+ case 0xc:
+ case 0x6:
+ case 0x3:
+ /* Effectively a 16-bit load. */
+ tcg_gen_qemu_ld16u(tmp, o->in2, get_mem_index(s));
+ len = 16;
+ goto one_insert;
+
+ case 0x8:
+ case 0x4:
+ case 0x2:
+ case 0x1:
+ /* Effectively an 8-bit load. */
+ tcg_gen_qemu_ld8u(tmp, o->in2, get_mem_index(s));
+ len = 8;
+ goto one_insert;
+
+ one_insert:
+ pos = base + ctz32(m3) * 8;
+ tcg_gen_deposit_i64(o->out, o->out, tmp, pos, len);
+ ccm = ((1ull << len) - 1) << pos;
+ break;
+
+ default:
+ /* This is going to be a sequence of loads and inserts. */
+ pos = base + 32 - 8;
+ ccm = 0;
+ while (m3) {
+ if (m3 & 0x8) {
+ tcg_gen_qemu_ld8u(tmp, o->in2, get_mem_index(s));
+ tcg_gen_addi_i64(o->in2, o->in2, 1);
+ tcg_gen_deposit_i64(o->out, o->out, tmp, pos, 8);
+ ccm |= 0xff << pos;
+ }
+ m3 = (m3 << 1) & 0xf;
+ pos -= 8;
+ }
+ break;
+ }
+
+ tcg_gen_movi_i64(tmp, ccm);
+ gen_op_update2_cc_i64(s, CC_OP_ICM, tmp, o->out);
+ tcg_temp_free_i64(tmp);
+ return NO_EXIT;
}
-/* Describe the layout of each field in each format. */
-typedef struct DisasField {
- unsigned int beg:8;
- unsigned int size:8;
- unsigned int type:2;
- unsigned int indexC:6;
- enum DisasFieldIndexO indexO:8;
-} DisasField;
+static ExitStatus op_insi(DisasContext *s, DisasOps *o)
+{
+ int shift = s->insn->data & 0xff;
+ int size = s->insn->data >> 8;
+ tcg_gen_deposit_i64(o->out, o->in1, o->in2, shift, size);
+ return NO_EXIT;
+}
-typedef struct DisasFormatInfo {
- DisasField op[NUM_C_FIELD];
-} DisasFormatInfo;
+static ExitStatus op_ipm(DisasContext *s, DisasOps *o)
+{
+ TCGv_i64 t1;
-#define R(N, B) { B, 4, 0, FLD_C_r##N, FLD_O_r##N }
-#define M(N, B) { B, 4, 0, FLD_C_m##N, FLD_O_m##N }
-#define BD(N, BB, BD) { BB, 4, 0, FLD_C_b##N, FLD_O_b##N }, \
- { BD, 12, 0, FLD_C_d##N, FLD_O_d##N }
-#define BXD(N) { 16, 4, 0, FLD_C_b##N, FLD_O_b##N }, \
- { 12, 4, 0, FLD_C_x##N, FLD_O_x##N }, \
- { 20, 12, 0, FLD_C_d##N, FLD_O_d##N }
-#define BDL(N) { 16, 4, 0, FLD_C_b##N, FLD_O_b##N }, \
- { 20, 20, 2, FLD_C_d##N, FLD_O_d##N }
-#define BXDL(N) { 16, 4, 0, FLD_C_b##N, FLD_O_b##N }, \
- { 12, 4, 0, FLD_C_x##N, FLD_O_x##N }, \
- { 20, 20, 2, FLD_C_d##N, FLD_O_d##N }
-#define I(N, B, S) { B, S, 1, FLD_C_i##N, FLD_O_i##N }
-#define L(N, B, S) { B, S, 0, FLD_C_l##N, FLD_O_l##N }
+ gen_op_calc_cc(s);
+ tcg_gen_andi_i64(o->out, o->out, ~0xff000000ull);
-#define F0(N) { { } },
-#define F1(N, X1) { { X1 } },
-#define F2(N, X1, X2) { { X1, X2 } },
-#define F3(N, X1, X2, X3) { { X1, X2, X3 } },
-#define F4(N, X1, X2, X3, X4) { { X1, X2, X3, X4 } },
-#define F5(N, X1, X2, X3, X4, X5) { { X1, X2, X3, X4, X5 } },
+ t1 = tcg_temp_new_i64();
+ tcg_gen_shli_i64(t1, psw_mask, 20);
+ tcg_gen_shri_i64(t1, t1, 36);
+ tcg_gen_or_i64(o->out, o->out, t1);
-static const DisasFormatInfo format_info[] = {
-#include "insn-format.def"
-};
+ tcg_gen_extu_i32_i64(t1, cc_op);
+ tcg_gen_shli_i64(t1, t1, 28);
+ tcg_gen_or_i64(o->out, o->out, t1);
+ tcg_temp_free_i64(t1);
+ return NO_EXIT;
+}
-#undef F0
-#undef F1
-#undef F2
-#undef F3
-#undef F4
-#undef F5
-#undef R
-#undef M
-#undef BD
-#undef BXD
-#undef BDL
-#undef BXDL
-#undef I
-#undef L
+#ifndef CONFIG_USER_ONLY
+static ExitStatus op_ipte(DisasContext *s, DisasOps *o)
+{
+ check_privileged(s);
+ gen_helper_ipte(cpu_env, o->in1, o->in2);
+ return NO_EXIT;
+}
-/* Generally, we'll extract operands into this structures, operate upon
- them, and store them back. See the "in1", "in2", "prep", "wout" sets
- of routines below for more details. */
-typedef struct {
- bool g_out, g_out2, g_in1, g_in2;
- TCGv_i64 out, out2, in1, in2;
- TCGv_i64 addr1;
-} DisasOps;
+static ExitStatus op_iske(DisasContext *s, DisasOps *o)
+{
+ check_privileged(s);
+ gen_helper_iske(o->out, cpu_env, o->in2);
+ return NO_EXIT;
+}
+#endif
-/* Return values from translate_one, indicating the state of the TB. */
-typedef enum {
- /* Continue the TB. */
- NO_EXIT,
- /* We have emitted one or more goto_tb. No fixup required. */
- EXIT_GOTO_TB,
- /* We are not using a goto_tb (for whatever reason), but have updated
- the PC (for whatever reason), so there's no need to do it again on
- exiting the TB. */
- EXIT_PC_UPDATED,
- /* We are exiting the TB, but have neither emitted a goto_tb, nor
- updated the PC for the next instruction to be executed. */
- EXIT_PC_STALE,
- /* We are ending the TB with a noreturn function call, e.g. longjmp.
- No following code will be executed. */
- EXIT_NORETURN,
-} ExitStatus;
+static ExitStatus op_ldeb(DisasContext *s, DisasOps *o)
+{
+ gen_helper_ldeb(o->out, cpu_env, o->in2);
+ return NO_EXIT;
+}
-typedef enum DisasFacility {
- FAC_Z, /* zarch (default) */
- FAC_CASS, /* compare and swap and store */
- FAC_CASS2, /* compare and swap and store 2*/
- FAC_DFP, /* decimal floating point */
- FAC_DFPR, /* decimal floating point rounding */
- FAC_DO, /* distinct operands */
- FAC_EE, /* execute extensions */
- FAC_EI, /* extended immediate */
- FAC_FPE, /* floating point extension */
- FAC_FPSSH, /* floating point support sign handling */
- FAC_FPRGR, /* FPR-GR transfer */
- FAC_GIE, /* general instructions extension */
- FAC_HFP_MA, /* HFP multiply-and-add/subtract */
- FAC_HW, /* high-word */
- FAC_IEEEE_SIM, /* IEEE exception sumilation */
- FAC_LOC, /* load/store on condition */
- FAC_LD, /* long displacement */
- FAC_PC, /* population count */
- FAC_SCF, /* store clock fast */
- FAC_SFLE, /* store facility list extended */
-} DisasFacility;
+static ExitStatus op_ledb(DisasContext *s, DisasOps *o)
+{
+ gen_helper_ledb(o->out, cpu_env, o->in2);
+ return NO_EXIT;
+}
-struct DisasInsn {
- unsigned opc:16;
- DisasFormat fmt:6;
- DisasFacility fac:6;
+static ExitStatus op_ldxb(DisasContext *s, DisasOps *o)
+{
+ gen_helper_ldxb(o->out, cpu_env, o->in1, o->in2);
+ return NO_EXIT;
+}
- const char *name;
+static ExitStatus op_lexb(DisasContext *s, DisasOps *o)
+{
+ gen_helper_lexb(o->out, cpu_env, o->in1, o->in2);
+ return NO_EXIT;
+}
- void (*help_in1)(DisasContext *, DisasFields *, DisasOps *);
- void (*help_in2)(DisasContext *, DisasFields *, DisasOps *);
- void (*help_prep)(DisasContext *, DisasFields *, DisasOps *);
- void (*help_wout)(DisasContext *, DisasFields *, DisasOps *);
- void (*help_cout)(DisasContext *, DisasOps *);
- ExitStatus (*help_op)(DisasContext *, DisasOps *);
+static ExitStatus op_lxdb(DisasContext *s, DisasOps *o)
+{
+ gen_helper_lxdb(o->out, cpu_env, o->in2);
+ return_low128(o->out2);
+ return NO_EXIT;
+}
- uint64_t data;
-};
+static ExitStatus op_lxeb(DisasContext *s, DisasOps *o)
+{
+ gen_helper_lxeb(o->out, cpu_env, o->in2);
+ return_low128(o->out2);
+ return NO_EXIT;
+}
-/* ====================================================================== */
-/* Miscelaneous helpers, used by several operations. */
+static ExitStatus op_llgt(DisasContext *s, DisasOps *o)
+{
+ tcg_gen_andi_i64(o->out, o->in2, 0x7fffffff);
+ return NO_EXIT;
+}
-static void help_l2_shift(DisasContext *s, DisasFields *f,
- DisasOps *o, int mask)
+static ExitStatus op_ld8s(DisasContext *s, DisasOps *o)
{
- int b2 = get_field(f, b2);
- int d2 = get_field(f, d2);
+ tcg_gen_qemu_ld8s(o->out, o->in2, get_mem_index(s));
+ return NO_EXIT;
+}
- if (b2 == 0) {
- o->in2 = tcg_const_i64(d2 & mask);
- } else {
- o->in2 = get_address(s, 0, b2, d2);
- tcg_gen_andi_i64(o->in2, o->in2, mask);
- }
+static ExitStatus op_ld8u(DisasContext *s, DisasOps *o)
+{
+ tcg_gen_qemu_ld8u(o->out, o->in2, get_mem_index(s));
+ return NO_EXIT;
}
-static ExitStatus help_goto_direct(DisasContext *s, uint64_t dest)
+static ExitStatus op_ld16s(DisasContext *s, DisasOps *o)
{
- if (dest == s->next_pc) {
- return NO_EXIT;
- }
- if (use_goto_tb(s, dest)) {
- gen_update_cc_op(s);
- tcg_gen_goto_tb(0);
- tcg_gen_movi_i64(psw_addr, dest);
- tcg_gen_exit_tb((tcg_target_long)s->tb);
- return EXIT_GOTO_TB;
- } else {
- tcg_gen_movi_i64(psw_addr, dest);
- return EXIT_PC_UPDATED;
- }
+ tcg_gen_qemu_ld16s(o->out, o->in2, get_mem_index(s));
+ return NO_EXIT;
}
-static ExitStatus help_branch(DisasContext *s, DisasCompare *c,
- bool is_imm, int imm, TCGv_i64 cdest)
+static ExitStatus op_ld16u(DisasContext *s, DisasOps *o)
{
- ExitStatus ret;
- uint64_t dest = s->pc + 2 * imm;
- int lab;
+ tcg_gen_qemu_ld16u(o->out, o->in2, get_mem_index(s));
+ return NO_EXIT;
+}
- /* Take care of the special cases first. */
- if (c->cond == TCG_COND_NEVER) {
- ret = NO_EXIT;
- goto egress;
- }
- if (is_imm) {
- if (dest == s->next_pc) {
- /* Branch to next. */
- ret = NO_EXIT;
- goto egress;
- }
- if (c->cond == TCG_COND_ALWAYS) {
- ret = help_goto_direct(s, dest);
- goto egress;
- }
- } else {
- if (TCGV_IS_UNUSED_I64(cdest)) {
- /* E.g. bcr %r0 -> no branch. */
- ret = NO_EXIT;
- goto egress;
- }
- if (c->cond == TCG_COND_ALWAYS) {
- tcg_gen_mov_i64(psw_addr, cdest);
- ret = EXIT_PC_UPDATED;
- goto egress;
- }
- }
+static ExitStatus op_ld32s(DisasContext *s, DisasOps *o)
+{
+ tcg_gen_qemu_ld32s(o->out, o->in2, get_mem_index(s));
+ return NO_EXIT;
+}
- if (use_goto_tb(s, s->next_pc)) {
- if (is_imm && use_goto_tb(s, dest)) {
- /* Both exits can use goto_tb. */
- gen_update_cc_op(s);
+static ExitStatus op_ld32u(DisasContext *s, DisasOps *o)
+{
+ tcg_gen_qemu_ld32u(o->out, o->in2, get_mem_index(s));
+ return NO_EXIT;
+}
- lab = gen_new_label();
- if (c->is_64) {
- tcg_gen_brcond_i64(c->cond, c->u.s64.a, c->u.s64.b, lab);
- } else {
- tcg_gen_brcond_i32(c->cond, c->u.s32.a, c->u.s32.b, lab);
- }
+static ExitStatus op_ld64(DisasContext *s, DisasOps *o)
+{
+ tcg_gen_qemu_ld64(o->out, o->in2, get_mem_index(s));
+ return NO_EXIT;
+}
- /* Branch not taken. */
- tcg_gen_goto_tb(0);
- tcg_gen_movi_i64(psw_addr, s->next_pc);
- tcg_gen_exit_tb((tcg_target_long)s->tb + 0);
+#ifndef CONFIG_USER_ONLY
+static ExitStatus op_lctl(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1));
+ TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3));
+ check_privileged(s);
+ potential_page_fault(s);
+ gen_helper_lctl(cpu_env, r1, o->in2, r3);
+ tcg_temp_free_i32(r1);
+ tcg_temp_free_i32(r3);
+ return NO_EXIT;
+}
- /* Branch taken. */
- gen_set_label(lab);
- tcg_gen_goto_tb(1);
- tcg_gen_movi_i64(psw_addr, dest);
- tcg_gen_exit_tb((tcg_target_long)s->tb + 1);
+static ExitStatus op_lctlg(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1));
+ TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3));
+ check_privileged(s);
+ potential_page_fault(s);
+ gen_helper_lctlg(cpu_env, r1, o->in2, r3);
+ tcg_temp_free_i32(r1);
+ tcg_temp_free_i32(r3);
+ return NO_EXIT;
+}
+static ExitStatus op_lra(DisasContext *s, DisasOps *o)
+{
+ check_privileged(s);
+ potential_page_fault(s);
+ gen_helper_lra(o->out, cpu_env, o->in2);
+ set_cc_static(s);
+ return NO_EXIT;
+}
- ret = EXIT_GOTO_TB;
- } else {
- /* Fallthru can use goto_tb, but taken branch cannot. */
- /* Store taken branch destination before the brcond. This
- avoids having to allocate a new local temp to hold it.
- We'll overwrite this in the not taken case anyway. */
- if (!is_imm) {
- tcg_gen_mov_i64(psw_addr, cdest);
- }
+static ExitStatus op_lpsw(DisasContext *s, DisasOps *o)
+{
+ TCGv_i64 t1, t2;
- lab = gen_new_label();
- if (c->is_64) {
- tcg_gen_brcond_i64(c->cond, c->u.s64.a, c->u.s64.b, lab);
- } else {
- tcg_gen_brcond_i32(c->cond, c->u.s32.a, c->u.s32.b, lab);
- }
+ check_privileged(s);
- /* Branch not taken. */
- gen_update_cc_op(s);
- tcg_gen_goto_tb(0);
- tcg_gen_movi_i64(psw_addr, s->next_pc);
- tcg_gen_exit_tb((tcg_target_long)s->tb + 0);
+ t1 = tcg_temp_new_i64();
+ t2 = tcg_temp_new_i64();
+ tcg_gen_qemu_ld32u(t1, o->in2, get_mem_index(s));
+ tcg_gen_addi_i64(o->in2, o->in2, 4);
+ tcg_gen_qemu_ld32u(t2, o->in2, get_mem_index(s));
+ /* Convert the 32-bit PSW_MASK into the 64-bit PSW_MASK. */
+ tcg_gen_shli_i64(t1, t1, 32);
+ gen_helper_load_psw(cpu_env, t1, t2);
+ tcg_temp_free_i64(t1);
+ tcg_temp_free_i64(t2);
+ return EXIT_NORETURN;
+}
+#endif
- gen_set_label(lab);
- if (is_imm) {
- tcg_gen_movi_i64(psw_addr, dest);
- }
- ret = EXIT_PC_UPDATED;
+static ExitStatus op_lam(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1));
+ TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3));
+ potential_page_fault(s);
+ gen_helper_lam(cpu_env, r1, o->in2, r3);
+ tcg_temp_free_i32(r1);
+ tcg_temp_free_i32(r3);
+ return NO_EXIT;
+}
+
+static ExitStatus op_lm32(DisasContext *s, DisasOps *o)
+{
+ int r1 = get_field(s->fields, r1);
+ int r3 = get_field(s->fields, r3);
+ TCGv_i64 t = tcg_temp_new_i64();
+ TCGv_i64 t4 = tcg_const_i64(4);
+
+ while (1) {
+ tcg_gen_qemu_ld32u(t, o->in2, get_mem_index(s));
+ store_reg32_i64(r1, t);
+ if (r1 == r3) {
+ break;
}
- } else {
- /* Fallthru cannot use goto_tb. This by itself is vanishingly rare.
- Most commonly we're single-stepping or some other condition that
- disables all use of goto_tb. Just update the PC and exit. */
+ tcg_gen_add_i64(o->in2, o->in2, t4);
+ r1 = (r1 + 1) & 15;
+ }
- TCGv_i64 next = tcg_const_i64(s->next_pc);
- if (is_imm) {
- cdest = tcg_const_i64(dest);
+ tcg_temp_free_i64(t);
+ tcg_temp_free_i64(t4);
+ return NO_EXIT;
+}
+
+static ExitStatus op_lmh(DisasContext *s, DisasOps *o)
+{
+ int r1 = get_field(s->fields, r1);
+ int r3 = get_field(s->fields, r3);
+ TCGv_i64 t = tcg_temp_new_i64();
+ TCGv_i64 t4 = tcg_const_i64(4);
+
+ while (1) {
+ tcg_gen_qemu_ld32u(t, o->in2, get_mem_index(s));
+ store_reg32h_i64(r1, t);
+ if (r1 == r3) {
+ break;
}
+ tcg_gen_add_i64(o->in2, o->in2, t4);
+ r1 = (r1 + 1) & 15;
+ }
- if (c->is_64) {
- tcg_gen_movcond_i64(c->cond, psw_addr, c->u.s64.a, c->u.s64.b,
- cdest, next);
- } else {
- TCGv_i32 t0 = tcg_temp_new_i32();
- TCGv_i64 t1 = tcg_temp_new_i64();
- TCGv_i64 z = tcg_const_i64(0);
- tcg_gen_setcond_i32(c->cond, t0, c->u.s32.a, c->u.s32.b);
- tcg_gen_extu_i32_i64(t1, t0);
- tcg_temp_free_i32(t0);
- tcg_gen_movcond_i64(TCG_COND_NE, psw_addr, t1, z, cdest, next);
- tcg_temp_free_i64(t1);
- tcg_temp_free_i64(z);
- }
+ tcg_temp_free_i64(t);
+ tcg_temp_free_i64(t4);
+ return NO_EXIT;
+}
- if (is_imm) {
- tcg_temp_free_i64(cdest);
- }
- tcg_temp_free_i64(next);
+static ExitStatus op_lm64(DisasContext *s, DisasOps *o)
+{
+ int r1 = get_field(s->fields, r1);
+ int r3 = get_field(s->fields, r3);
+ TCGv_i64 t8 = tcg_const_i64(8);
- ret = EXIT_PC_UPDATED;
+ while (1) {
+ tcg_gen_qemu_ld64(regs[r1], o->in2, get_mem_index(s));
+ if (r1 == r3) {
+ break;
+ }
+ tcg_gen_add_i64(o->in2, o->in2, t8);
+ r1 = (r1 + 1) & 15;
}
- egress:
- free_compare(c);
- return ret;
+ tcg_temp_free_i64(t8);
+ return NO_EXIT;
}
-/* ====================================================================== */
-/* The operations. These perform the bulk of the work for any insn,
- usually after the operands have been loaded and output initialized. */
-
-static ExitStatus op_abs(DisasContext *s, DisasOps *o)
+static ExitStatus op_mov2(DisasContext *s, DisasOps *o)
{
- gen_helper_abs_i64(o->out, o->in2);
+ o->out = o->in2;
+ o->g_out = o->g_in2;
+ TCGV_UNUSED_I64(o->in2);
+ o->g_in2 = false;
return NO_EXIT;
}
-static ExitStatus op_add(DisasContext *s, DisasOps *o)
+static ExitStatus op_movx(DisasContext *s, DisasOps *o)
{
- tcg_gen_add_i64(o->out, o->in1, o->in2);
+ o->out = o->in1;
+ o->out2 = o->in2;
+ o->g_out = o->g_in1;
+ o->g_out2 = o->g_in2;
+ TCGV_UNUSED_I64(o->in1);
+ TCGV_UNUSED_I64(o->in2);
+ o->g_in1 = o->g_in2 = false;
return NO_EXIT;
}
-static ExitStatus op_addc(DisasContext *s, DisasOps *o)
+static ExitStatus op_mvc(DisasContext *s, DisasOps *o)
{
- TCGv_i64 cc;
-
- tcg_gen_add_i64(o->out, o->in1, o->in2);
+ TCGv_i32 l = tcg_const_i32(get_field(s->fields, l1));
+ potential_page_fault(s);
+ gen_helper_mvc(cpu_env, l, o->addr1, o->in2);
+ tcg_temp_free_i32(l);
+ return NO_EXIT;
+}
- /* XXX possible optimization point */
- gen_op_calc_cc(s);
- cc = tcg_temp_new_i64();
- tcg_gen_extu_i32_i64(cc, cc_op);
- tcg_gen_shri_i64(cc, cc, 1);
+static ExitStatus op_mvcl(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1));
+ TCGv_i32 r2 = tcg_const_i32(get_field(s->fields, r2));
+ potential_page_fault(s);
+ gen_helper_mvcl(cc_op, cpu_env, r1, r2);
+ tcg_temp_free_i32(r1);
+ tcg_temp_free_i32(r2);
+ set_cc_static(s);
+ return NO_EXIT;
+}
- tcg_gen_add_i64(o->out, o->out, cc);
- tcg_temp_free_i64(cc);
+static ExitStatus op_mvcle(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1));
+ TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3));
+ potential_page_fault(s);
+ gen_helper_mvcle(cc_op, cpu_env, r1, o->in2, r3);
+ tcg_temp_free_i32(r1);
+ tcg_temp_free_i32(r3);
+ set_cc_static(s);
return NO_EXIT;
}
-static ExitStatus op_and(DisasContext *s, DisasOps *o)
+#ifndef CONFIG_USER_ONLY
+static ExitStatus op_mvcp(DisasContext *s, DisasOps *o)
{
- tcg_gen_and_i64(o->out, o->in1, o->in2);
+ int r1 = get_field(s->fields, l1);
+ check_privileged(s);
+ potential_page_fault(s);
+ gen_helper_mvcp(cc_op, cpu_env, regs[r1], o->addr1, o->in2);
+ set_cc_static(s);
return NO_EXIT;
}
-static ExitStatus op_andi(DisasContext *s, DisasOps *o)
+static ExitStatus op_mvcs(DisasContext *s, DisasOps *o)
{
- int shift = s->insn->data & 0xff;
- int size = s->insn->data >> 8;
- uint64_t mask = ((1ull << size) - 1) << shift;
+ int r1 = get_field(s->fields, l1);
+ check_privileged(s);
+ potential_page_fault(s);
+ gen_helper_mvcs(cc_op, cpu_env, regs[r1], o->addr1, o->in2);
+ set_cc_static(s);
+ return NO_EXIT;
+}
+#endif
- assert(!o->g_in2);
- tcg_gen_shli_i64(o->in2, o->in2, shift);
- tcg_gen_ori_i64(o->in2, o->in2, ~mask);
- tcg_gen_and_i64(o->out, o->in1, o->in2);
+static ExitStatus op_mvpg(DisasContext *s, DisasOps *o)
+{
+ potential_page_fault(s);
+ gen_helper_mvpg(cpu_env, regs[0], o->in1, o->in2);
+ set_cc_static(s);
+ return NO_EXIT;
+}
- /* Produce the CC from only the bits manipulated. */
- tcg_gen_andi_i64(cc_dst, o->out, mask);
- set_cc_nz_u64(s, cc_dst);
+static ExitStatus op_mvst(DisasContext *s, DisasOps *o)
+{
+ potential_page_fault(s);
+ gen_helper_mvst(o->in1, cpu_env, regs[0], o->in1, o->in2);
+ set_cc_static(s);
+ return_low128(o->in2);
return NO_EXIT;
}
-static ExitStatus op_bas(DisasContext *s, DisasOps *o)
+static ExitStatus op_mul(DisasContext *s, DisasOps *o)
{
- tcg_gen_movi_i64(o->out, pc_to_link_info(s, s->next_pc));
- if (!TCGV_IS_UNUSED_I64(o->in2)) {
- tcg_gen_mov_i64(psw_addr, o->in2);
- return EXIT_PC_UPDATED;
- } else {
- return NO_EXIT;
- }
+ tcg_gen_mul_i64(o->out, o->in1, o->in2);
+ return NO_EXIT;
}
-static ExitStatus op_basi(DisasContext *s, DisasOps *o)
+static ExitStatus op_mul128(DisasContext *s, DisasOps *o)
{
- tcg_gen_movi_i64(o->out, pc_to_link_info(s, s->next_pc));
- return help_goto_direct(s, s->pc + 2 * get_field(s->fields, i2));
+ gen_helper_mul128(o->out, cpu_env, o->in1, o->in2);
+ return_low128(o->out2);
+ return NO_EXIT;
}
-static ExitStatus op_bc(DisasContext *s, DisasOps *o)
+static ExitStatus op_meeb(DisasContext *s, DisasOps *o)
{
- int m1 = get_field(s->fields, m1);
- bool is_imm = have_field(s->fields, i2);
- int imm = is_imm ? get_field(s->fields, i2) : 0;
- DisasCompare c;
+ gen_helper_meeb(o->out, cpu_env, o->in1, o->in2);
+ return NO_EXIT;
+}
- disas_jcc(s, &c, m1);
- return help_branch(s, &c, is_imm, imm, o->in2);
+static ExitStatus op_mdeb(DisasContext *s, DisasOps *o)
+{
+ gen_helper_mdeb(o->out, cpu_env, o->in1, o->in2);
+ return NO_EXIT;
}
-static ExitStatus op_bct32(DisasContext *s, DisasOps *o)
+static ExitStatus op_mdb(DisasContext *s, DisasOps *o)
{
- int r1 = get_field(s->fields, r1);
- bool is_imm = have_field(s->fields, i2);
- int imm = is_imm ? get_field(s->fields, i2) : 0;
- DisasCompare c;
- TCGv_i64 t;
+ gen_helper_mdb(o->out, cpu_env, o->in1, o->in2);
+ return NO_EXIT;
+}
- c.cond = TCG_COND_NE;
- c.is_64 = false;
- c.g1 = false;
- c.g2 = false;
+static ExitStatus op_mxb(DisasContext *s, DisasOps *o)
+{
+ gen_helper_mxb(o->out, cpu_env, o->out, o->out2, o->in1, o->in2);
+ return_low128(o->out2);
+ return NO_EXIT;
+}
- t = tcg_temp_new_i64();
- tcg_gen_subi_i64(t, regs[r1], 1);
- store_reg32_i64(r1, t);
- c.u.s32.a = tcg_temp_new_i32();
- c.u.s32.b = tcg_const_i32(0);
- tcg_gen_trunc_i64_i32(c.u.s32.a, t);
- tcg_temp_free_i64(t);
+static ExitStatus op_mxdb(DisasContext *s, DisasOps *o)
+{
+ gen_helper_mxdb(o->out, cpu_env, o->out, o->out2, o->in2);
+ return_low128(o->out2);
+ return NO_EXIT;
+}
- return help_branch(s, &c, is_imm, imm, o->in2);
+static ExitStatus op_maeb(DisasContext *s, DisasOps *o)
+{
+ TCGv_i64 r3 = load_freg32_i64(get_field(s->fields, r3));
+ gen_helper_maeb(o->out, cpu_env, o->in1, o->in2, r3);
+ tcg_temp_free_i64(r3);
+ return NO_EXIT;
}
-static ExitStatus op_bct64(DisasContext *s, DisasOps *o)
+static ExitStatus op_madb(DisasContext *s, DisasOps *o)
{
- int r1 = get_field(s->fields, r1);
- bool is_imm = have_field(s->fields, i2);
- int imm = is_imm ? get_field(s->fields, i2) : 0;
- DisasCompare c;
+ int r3 = get_field(s->fields, r3);
+ gen_helper_madb(o->out, cpu_env, o->in1, o->in2, fregs[r3]);
+ return NO_EXIT;
+}
- c.cond = TCG_COND_NE;
- c.is_64 = true;
- c.g1 = true;
- c.g2 = false;
+static ExitStatus op_mseb(DisasContext *s, DisasOps *o)
+{
+ TCGv_i64 r3 = load_freg32_i64(get_field(s->fields, r3));
+ gen_helper_mseb(o->out, cpu_env, o->in1, o->in2, r3);
+ tcg_temp_free_i64(r3);
+ return NO_EXIT;
+}
- tcg_gen_subi_i64(regs[r1], regs[r1], 1);
- c.u.s64.a = regs[r1];
- c.u.s64.b = tcg_const_i64(0);
+static ExitStatus op_msdb(DisasContext *s, DisasOps *o)
+{
+ int r3 = get_field(s->fields, r3);
+ gen_helper_msdb(o->out, cpu_env, o->in1, o->in2, fregs[r3]);
+ return NO_EXIT;
+}
- return help_branch(s, &c, is_imm, imm, o->in2);
+static ExitStatus op_nabs(DisasContext *s, DisasOps *o)
+{
+ gen_helper_nabs_i64(o->out, o->in2);
+ return NO_EXIT;
}
-static ExitStatus op_clcle(DisasContext *s, DisasOps *o)
+static ExitStatus op_nabsf32(DisasContext *s, DisasOps *o)
{
- TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1));
- TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3));
- potential_page_fault(s);
- gen_helper_clcle(cc_op, cpu_env, r1, o->in2, r3);
- tcg_temp_free_i32(r1);
- tcg_temp_free_i32(r3);
- set_cc_static(s);
+ tcg_gen_ori_i64(o->out, o->in2, 0x80000000ull);
return NO_EXIT;
}
-static ExitStatus op_cvd(DisasContext *s, DisasOps *o)
+static ExitStatus op_nabsf64(DisasContext *s, DisasOps *o)
{
- TCGv_i64 t1 = tcg_temp_new_i64();
- TCGv_i32 t2 = tcg_temp_new_i32();
- tcg_gen_trunc_i64_i32(t2, o->in1);
- gen_helper_cvd(t1, t2);
- tcg_temp_free_i32(t2);
- tcg_gen_qemu_st64(t1, o->in2, get_mem_index(s));
- tcg_temp_free_i64(t1);
+ tcg_gen_ori_i64(o->out, o->in2, 0x8000000000000000ull);
return NO_EXIT;
}
-#ifndef CONFIG_USER_ONLY
-static ExitStatus op_diag(DisasContext *s, DisasOps *o)
+static ExitStatus op_nabsf128(DisasContext *s, DisasOps *o)
{
- TCGv_i32 tmp;
+ tcg_gen_ori_i64(o->out, o->in1, 0x8000000000000000ull);
+ tcg_gen_mov_i64(o->out2, o->in2);
+ return NO_EXIT;
+}
- check_privileged(s);
+static ExitStatus op_nc(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 l = tcg_const_i32(get_field(s->fields, l1));
potential_page_fault(s);
-
- /* We pretend the format is RX_a so that D2 is the field we want. */
- tmp = tcg_const_i32(get_field(s->fields, d2) & 0xfff);
- gen_helper_diag(regs[2], cpu_env, tmp, regs[2], regs[1]);
- tcg_temp_free_i32(tmp);
+ gen_helper_nc(cc_op, cpu_env, l, o->addr1, o->in2);
+ tcg_temp_free_i32(l);
+ set_cc_static(s);
return NO_EXIT;
}
-#endif
-static ExitStatus op_divs32(DisasContext *s, DisasOps *o)
+static ExitStatus op_neg(DisasContext *s, DisasOps *o)
{
- gen_helper_divs32(o->out2, cpu_env, o->in1, o->in2);
- return_low128(o->out);
+ tcg_gen_neg_i64(o->out, o->in2);
return NO_EXIT;
}
-static ExitStatus op_divu32(DisasContext *s, DisasOps *o)
+static ExitStatus op_negf32(DisasContext *s, DisasOps *o)
{
- gen_helper_divu32(o->out2, cpu_env, o->in1, o->in2);
- return_low128(o->out);
+ tcg_gen_xori_i64(o->out, o->in2, 0x80000000ull);
return NO_EXIT;
}
-static ExitStatus op_divs64(DisasContext *s, DisasOps *o)
+static ExitStatus op_negf64(DisasContext *s, DisasOps *o)
{
- gen_helper_divs64(o->out2, cpu_env, o->in1, o->in2);
- return_low128(o->out);
+ tcg_gen_xori_i64(o->out, o->in2, 0x8000000000000000ull);
return NO_EXIT;
}
-static ExitStatus op_divu64(DisasContext *s, DisasOps *o)
+static ExitStatus op_negf128(DisasContext *s, DisasOps *o)
{
- gen_helper_divu64(o->out2, cpu_env, o->out, o->out2, o->in2);
- return_low128(o->out);
+ tcg_gen_xori_i64(o->out, o->in1, 0x8000000000000000ull);
+ tcg_gen_mov_i64(o->out2, o->in2);
return NO_EXIT;
}
-static ExitStatus op_ex(DisasContext *s, DisasOps *o)
+static ExitStatus op_oc(DisasContext *s, DisasOps *o)
{
- /* ??? Perhaps a better way to implement EXECUTE is to set a bit in
- tb->flags, (ab)use the tb->cs_base field as the address of
- the template in memory, and grab 8 bits of tb->flags/cflags for
- the contents of the register. We would then recognize all this
- in gen_intermediate_code_internal, generating code for exactly
- one instruction. This new TB then gets executed normally.
-
- On the other hand, this seems to be mostly used for modifying
- MVC inside of memcpy, which needs a helper call anyway. So
- perhaps this doesn't bear thinking about any further. */
-
- TCGv_i64 tmp;
-
- update_psw_addr(s);
- gen_op_calc_cc(s);
-
- tmp = tcg_const_i64(s->next_pc);
- gen_helper_ex(cc_op, cpu_env, cc_op, o->in1, o->in2, tmp);
- tcg_temp_free_i64(tmp);
-
+ TCGv_i32 l = tcg_const_i32(get_field(s->fields, l1));
+ potential_page_fault(s);
+ gen_helper_oc(cc_op, cpu_env, l, o->addr1, o->in2);
+ tcg_temp_free_i32(l);
set_cc_static(s);
return NO_EXIT;
}
-static ExitStatus op_icm(DisasContext *s, DisasOps *o)
+static ExitStatus op_or(DisasContext *s, DisasOps *o)
{
- int m3 = get_field(s->fields, m3);
- int pos, len, base = s->insn->data;
- TCGv_i64 tmp = tcg_temp_new_i64();
- uint64_t ccm;
-
- switch (m3) {
- case 0xf:
- /* Effectively a 32-bit load. */
- tcg_gen_qemu_ld32u(tmp, o->in2, get_mem_index(s));
- len = 32;
- goto one_insert;
-
- case 0xc:
- case 0x6:
- case 0x3:
- /* Effectively a 16-bit load. */
- tcg_gen_qemu_ld16u(tmp, o->in2, get_mem_index(s));
- len = 16;
- goto one_insert;
-
- case 0x8:
- case 0x4:
- case 0x2:
- case 0x1:
- /* Effectively an 8-bit load. */
- tcg_gen_qemu_ld8u(tmp, o->in2, get_mem_index(s));
- len = 8;
- goto one_insert;
-
- one_insert:
- pos = base + ctz32(m3) * 8;
- tcg_gen_deposit_i64(o->out, o->out, tmp, pos, len);
- ccm = ((1ull << len) - 1) << pos;
- break;
-
- default:
- /* This is going to be a sequence of loads and inserts. */
- pos = base + 32 - 8;
- ccm = 0;
- while (m3) {
- if (m3 & 0x8) {
- tcg_gen_qemu_ld8u(tmp, o->in2, get_mem_index(s));
- tcg_gen_addi_i64(o->in2, o->in2, 1);
- tcg_gen_deposit_i64(o->out, o->out, tmp, pos, 8);
- ccm |= 0xff << pos;
- }
- m3 = (m3 << 1) & 0xf;
- pos -= 8;
- }
- break;
- }
-
- tcg_gen_movi_i64(tmp, ccm);
- gen_op_update2_cc_i64(s, CC_OP_ICM, tmp, o->out);
- tcg_temp_free_i64(tmp);
+ tcg_gen_or_i64(o->out, o->in1, o->in2);
return NO_EXIT;
}
-static ExitStatus op_insi(DisasContext *s, DisasOps *o)
+static ExitStatus op_ori(DisasContext *s, DisasOps *o)
{
int shift = s->insn->data & 0xff;
int size = s->insn->data >> 8;
- tcg_gen_deposit_i64(o->out, o->in1, o->in2, shift, size);
- return NO_EXIT;
-}
+ uint64_t mask = ((1ull << size) - 1) << shift;
-static ExitStatus op_ld8s(DisasContext *s, DisasOps *o)
-{
- tcg_gen_qemu_ld8s(o->out, o->in2, get_mem_index(s));
+ assert(!o->g_in2);
+ tcg_gen_shli_i64(o->in2, o->in2, shift);
+ tcg_gen_or_i64(o->out, o->in1, o->in2);
+
+ /* Produce the CC from only the bits manipulated. */
+ tcg_gen_andi_i64(cc_dst, o->out, mask);
+ set_cc_nz_u64(s, cc_dst);
return NO_EXIT;
}
-static ExitStatus op_ld8u(DisasContext *s, DisasOps *o)
+#ifndef CONFIG_USER_ONLY
+static ExitStatus op_ptlb(DisasContext *s, DisasOps *o)
{
- tcg_gen_qemu_ld8u(o->out, o->in2, get_mem_index(s));
+ check_privileged(s);
+ gen_helper_ptlb(cpu_env);
return NO_EXIT;
}
+#endif
-static ExitStatus op_ld16s(DisasContext *s, DisasOps *o)
+static ExitStatus op_rev16(DisasContext *s, DisasOps *o)
{
- tcg_gen_qemu_ld16s(o->out, o->in2, get_mem_index(s));
+ tcg_gen_bswap16_i64(o->out, o->in2);
return NO_EXIT;
}
-static ExitStatus op_ld16u(DisasContext *s, DisasOps *o)
+static ExitStatus op_rev32(DisasContext *s, DisasOps *o)
{
- tcg_gen_qemu_ld16u(o->out, o->in2, get_mem_index(s));
+ tcg_gen_bswap32_i64(o->out, o->in2);
return NO_EXIT;
}
-static ExitStatus op_ld32s(DisasContext *s, DisasOps *o)
+static ExitStatus op_rev64(DisasContext *s, DisasOps *o)
{
- tcg_gen_qemu_ld32s(o->out, o->in2, get_mem_index(s));
+ tcg_gen_bswap64_i64(o->out, o->in2);
return NO_EXIT;
}
-static ExitStatus op_ld32u(DisasContext *s, DisasOps *o)
+static ExitStatus op_rll32(DisasContext *s, DisasOps *o)
{
- tcg_gen_qemu_ld32u(o->out, o->in2, get_mem_index(s));
+ TCGv_i32 t1 = tcg_temp_new_i32();
+ TCGv_i32 t2 = tcg_temp_new_i32();
+ TCGv_i32 to = tcg_temp_new_i32();
+ tcg_gen_trunc_i64_i32(t1, o->in1);
+ tcg_gen_trunc_i64_i32(t2, o->in2);
+ tcg_gen_rotl_i32(to, t1, t2);
+ tcg_gen_extu_i32_i64(o->out, to);
+ tcg_temp_free_i32(t1);
+ tcg_temp_free_i32(t2);
+ tcg_temp_free_i32(to);
return NO_EXIT;
}
-static ExitStatus op_ld64(DisasContext *s, DisasOps *o)
+static ExitStatus op_rll64(DisasContext *s, DisasOps *o)
{
- tcg_gen_qemu_ld64(o->out, o->in2, get_mem_index(s));
+ tcg_gen_rotl_i64(o->out, o->in1, o->in2);
return NO_EXIT;
}
#ifndef CONFIG_USER_ONLY
-static ExitStatus op_lpsw(DisasContext *s, DisasOps *o)
+static ExitStatus op_rrbe(DisasContext *s, DisasOps *o)
{
- TCGv_i64 t1, t2;
-
check_privileged(s);
-
- t1 = tcg_temp_new_i64();
- t2 = tcg_temp_new_i64();
- tcg_gen_qemu_ld32u(t1, o->in2, get_mem_index(s));
- tcg_gen_addi_i64(o->in2, o->in2, 4);
- tcg_gen_qemu_ld32u(t2, o->in2, get_mem_index(s));
- /* Convert the 32-bit PSW_MASK into the 64-bit PSW_MASK. */
- tcg_gen_shli_i64(t1, t1, 32);
- gen_helper_load_psw(cpu_env, t1, t2);
- tcg_temp_free_i64(t1);
- tcg_temp_free_i64(t2);
- return EXIT_NORETURN;
+ gen_helper_rrbe(cc_op, cpu_env, o->in2);
+ set_cc_static(s);
+ return NO_EXIT;
}
#endif
-static ExitStatus op_lam(DisasContext *s, DisasOps *o)
+static ExitStatus op_sar(DisasContext *s, DisasOps *o)
{
- TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1));
- TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3));
- potential_page_fault(s);
- gen_helper_lam(cpu_env, r1, o->in2, r3);
- tcg_temp_free_i32(r1);
- tcg_temp_free_i32(r3);
+ int r1 = get_field(s->fields, r1);
+ tcg_gen_st32_i64(o->in2, cpu_env, offsetof(CPUS390XState, aregs[r1]));
return NO_EXIT;
}
-static ExitStatus op_lm32(DisasContext *s, DisasOps *o)
+static ExitStatus op_seb(DisasContext *s, DisasOps *o)
{
- int r1 = get_field(s->fields, r1);
- int r3 = get_field(s->fields, r3);
- TCGv_i64 t = tcg_temp_new_i64();
- TCGv_i64 t4 = tcg_const_i64(4);
-
- while (1) {
- tcg_gen_qemu_ld32u(t, o->in2, get_mem_index(s));
- store_reg32_i64(r1, t);
- if (r1 == r3) {
- break;
- }
- tcg_gen_add_i64(o->in2, o->in2, t4);
- r1 = (r1 + 1) & 15;
- }
+ gen_helper_seb(o->out, cpu_env, o->in1, o->in2);
+ return NO_EXIT;
+}
- tcg_temp_free_i64(t);
- tcg_temp_free_i64(t4);
+static ExitStatus op_sdb(DisasContext *s, DisasOps *o)
+{
+ gen_helper_sdb(o->out, cpu_env, o->in1, o->in2);
return NO_EXIT;
}
-static ExitStatus op_lmh(DisasContext *s, DisasOps *o)
+static ExitStatus op_sxb(DisasContext *s, DisasOps *o)
{
- int r1 = get_field(s->fields, r1);
- int r3 = get_field(s->fields, r3);
- TCGv_i64 t = tcg_temp_new_i64();
- TCGv_i64 t4 = tcg_const_i64(4);
+ gen_helper_sxb(o->out, cpu_env, o->out, o->out2, o->in1, o->in2);
+ return_low128(o->out2);
+ return NO_EXIT;
+}
- while (1) {
- tcg_gen_qemu_ld32u(t, o->in2, get_mem_index(s));
- store_reg32h_i64(r1, t);
- if (r1 == r3) {
- break;
- }
- tcg_gen_add_i64(o->in2, o->in2, t4);
- r1 = (r1 + 1) & 15;
- }
+static ExitStatus op_sqeb(DisasContext *s, DisasOps *o)
+{
+ gen_helper_sqeb(o->out, cpu_env, o->in2);
+ return NO_EXIT;
+}
- tcg_temp_free_i64(t);
- tcg_temp_free_i64(t4);
+static ExitStatus op_sqdb(DisasContext *s, DisasOps *o)
+{
+ gen_helper_sqdb(o->out, cpu_env, o->in2);
return NO_EXIT;
}
-static ExitStatus op_lm64(DisasContext *s, DisasOps *o)
+static ExitStatus op_sqxb(DisasContext *s, DisasOps *o)
{
- int r1 = get_field(s->fields, r1);
- int r3 = get_field(s->fields, r3);
- TCGv_i64 t8 = tcg_const_i64(8);
+ gen_helper_sqxb(o->out, cpu_env, o->in1, o->in2);
+ return_low128(o->out2);
+ return NO_EXIT;
+}
- while (1) {
- tcg_gen_qemu_ld64(regs[r1], o->in2, get_mem_index(s));
- if (r1 == r3) {
- break;
- }
- tcg_gen_add_i64(o->in2, o->in2, t8);
- r1 = (r1 + 1) & 15;
- }
+#ifndef CONFIG_USER_ONLY
+static ExitStatus op_sigp(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1));
+ check_privileged(s);
+ potential_page_fault(s);
+ gen_helper_sigp(cc_op, cpu_env, o->in2, r1, o->in1);
+ tcg_temp_free_i32(r1);
+ return NO_EXIT;
+}
+#endif
- tcg_temp_free_i64(t8);
+static ExitStatus op_sla(DisasContext *s, DisasOps *o)
+{
+ uint64_t sign = 1ull << s->insn->data;
+ enum cc_op cco = s->insn->data == 31 ? CC_OP_SLA_32 : CC_OP_SLA_64;
+ gen_op_update2_cc_i64(s, cco, o->in1, o->in2);
+ tcg_gen_shl_i64(o->out, o->in1, o->in2);
+ /* The arithmetic left shift is curious in that it does not affect
+ the sign bit. Copy that over from the source unchanged. */
+ tcg_gen_andi_i64(o->out, o->out, ~sign);
+ tcg_gen_andi_i64(o->in1, o->in1, sign);
+ tcg_gen_or_i64(o->out, o->out, o->in1);
return NO_EXIT;
}
-static ExitStatus op_mov2(DisasContext *s, DisasOps *o)
+static ExitStatus op_sll(DisasContext *s, DisasOps *o)
{
- o->out = o->in2;
- o->g_out = o->g_in2;
- TCGV_UNUSED_I64(o->in2);
- o->g_in2 = false;
+ tcg_gen_shl_i64(o->out, o->in1, o->in2);
return NO_EXIT;
}
-static ExitStatus op_movx(DisasContext *s, DisasOps *o)
+static ExitStatus op_sra(DisasContext *s, DisasOps *o)
{
- o->out = o->in1;
- o->out2 = o->in2;
- o->g_out = o->g_in1;
- o->g_out2 = o->g_in2;
- TCGV_UNUSED_I64(o->in1);
- TCGV_UNUSED_I64(o->in2);
- o->g_in1 = o->g_in2 = false;
+ tcg_gen_sar_i64(o->out, o->in1, o->in2);
return NO_EXIT;
}
-static ExitStatus op_mvc(DisasContext *s, DisasOps *o)
+static ExitStatus op_srl(DisasContext *s, DisasOps *o)
{
- TCGv_i32 l = tcg_const_i32(get_field(s->fields, l1));
- potential_page_fault(s);
- gen_helper_mvc(cpu_env, l, o->addr1, o->in2);
- tcg_temp_free_i32(l);
+ tcg_gen_shr_i64(o->out, o->in1, o->in2);
return NO_EXIT;
}
-static ExitStatus op_mvcl(DisasContext *s, DisasOps *o)
+static ExitStatus op_sfpc(DisasContext *s, DisasOps *o)
{
- TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1));
- TCGv_i32 r2 = tcg_const_i32(get_field(s->fields, r2));
- potential_page_fault(s);
- gen_helper_mvcl(cc_op, cpu_env, r1, r2);
- tcg_temp_free_i32(r1);
- tcg_temp_free_i32(r2);
- set_cc_static(s);
+ gen_helper_sfpc(cpu_env, o->in2);
return NO_EXIT;
}
-static ExitStatus op_mvcle(DisasContext *s, DisasOps *o)
+#ifndef CONFIG_USER_ONLY
+static ExitStatus op_spka(DisasContext *s, DisasOps *o)
{
- TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1));
- TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3));
- potential_page_fault(s);
- gen_helper_mvcle(cc_op, cpu_env, r1, o->in2, r3);
- tcg_temp_free_i32(r1);
- tcg_temp_free_i32(r3);
- set_cc_static(s);
+ check_privileged(s);
+ tcg_gen_shri_i64(o->in2, o->in2, 4);
+ tcg_gen_deposit_i64(psw_mask, psw_mask, o->in2, PSW_SHIFT_KEY - 4, 4);
return NO_EXIT;
}
-static ExitStatus op_mul(DisasContext *s, DisasOps *o)
+static ExitStatus op_sske(DisasContext *s, DisasOps *o)
{
- tcg_gen_mul_i64(o->out, o->in1, o->in2);
+ check_privileged(s);
+ gen_helper_sske(cpu_env, o->in1, o->in2);
return NO_EXIT;
}
-static ExitStatus op_mul128(DisasContext *s, DisasOps *o)
+static ExitStatus op_ssm(DisasContext *s, DisasOps *o)
{
- gen_helper_mul128(o->out, cpu_env, o->in1, o->in2);
- return_low128(o->out2);
+ check_privileged(s);
+ tcg_gen_deposit_i64(psw_mask, psw_mask, o->in2, 56, 8);
return NO_EXIT;
}
-static ExitStatus op_nabs(DisasContext *s, DisasOps *o)
+static ExitStatus op_stap(DisasContext *s, DisasOps *o)
{
- gen_helper_nabs_i64(o->out, o->in2);
+ check_privileged(s);
+ /* ??? Surely cpu address != cpu number. In any case the previous
+ version of this stored more than the required half-word, so it
+ is unlikely this has ever been tested. */
+ tcg_gen_ld32u_i64(o->out, cpu_env, offsetof(CPUS390XState, cpu_num));
return NO_EXIT;
}
-static ExitStatus op_neg(DisasContext *s, DisasOps *o)
+static ExitStatus op_stck(DisasContext *s, DisasOps *o)
{
- tcg_gen_neg_i64(o->out, o->in2);
+ gen_helper_stck(o->out, cpu_env);
+ /* ??? We don't implement clock states. */
+ gen_op_movi_cc(s, 0);
return NO_EXIT;
}
-static ExitStatus op_or(DisasContext *s, DisasOps *o)
+static ExitStatus op_sckc(DisasContext *s, DisasOps *o)
{
- tcg_gen_or_i64(o->out, o->in1, o->in2);
+ check_privileged(s);
+ gen_helper_sckc(cpu_env, o->in2);
return NO_EXIT;
}
-static ExitStatus op_ori(DisasContext *s, DisasOps *o)
+static ExitStatus op_stckc(DisasContext *s, DisasOps *o)
{
- int shift = s->insn->data & 0xff;
- int size = s->insn->data >> 8;
- uint64_t mask = ((1ull << size) - 1) << shift;
-
- assert(!o->g_in2);
- tcg_gen_shli_i64(o->in2, o->in2, shift);
- tcg_gen_or_i64(o->out, o->in1, o->in2);
-
- /* Produce the CC from only the bits manipulated. */
- tcg_gen_andi_i64(cc_dst, o->out, mask);
- set_cc_nz_u64(s, cc_dst);
+ check_privileged(s);
+ gen_helper_stckc(o->out, cpu_env);
return NO_EXIT;
}
-static ExitStatus op_rll32(DisasContext *s, DisasOps *o)
+static ExitStatus op_stctg(DisasContext *s, DisasOps *o)
{
- TCGv_i32 t1 = tcg_temp_new_i32();
- TCGv_i32 t2 = tcg_temp_new_i32();
- TCGv_i32 to = tcg_temp_new_i32();
- tcg_gen_trunc_i64_i32(t1, o->in1);
- tcg_gen_trunc_i64_i32(t2, o->in2);
- tcg_gen_rotl_i32(to, t1, t2);
- tcg_gen_extu_i32_i64(o->out, to);
- tcg_temp_free_i32(t1);
- tcg_temp_free_i32(t2);
- tcg_temp_free_i32(to);
+ TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1));
+ TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3));
+ check_privileged(s);
+ potential_page_fault(s);
+ gen_helper_stctg(cpu_env, r1, o->in2, r3);
+ tcg_temp_free_i32(r1);
+ tcg_temp_free_i32(r3);
return NO_EXIT;
}
-static ExitStatus op_rll64(DisasContext *s, DisasOps *o)
+static ExitStatus op_stctl(DisasContext *s, DisasOps *o)
{
- tcg_gen_rotl_i64(o->out, o->in1, o->in2);
+ TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1));
+ TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3));
+ check_privileged(s);
+ potential_page_fault(s);
+ gen_helper_stctl(cpu_env, r1, o->in2, r3);
+ tcg_temp_free_i32(r1);
+ tcg_temp_free_i32(r3);
return NO_EXIT;
}
-static ExitStatus op_sla(DisasContext *s, DisasOps *o)
+static ExitStatus op_stidp(DisasContext *s, DisasOps *o)
{
- uint64_t sign = 1ull << s->insn->data;
- enum cc_op cco = s->insn->data == 31 ? CC_OP_SLA_32 : CC_OP_SLA_64;
- gen_op_update2_cc_i64(s, cco, o->in1, o->in2);
- tcg_gen_shl_i64(o->out, o->in1, o->in2);
- /* The arithmetic left shift is curious in that it does not affect
- the sign bit. Copy that over from the source unchanged. */
- tcg_gen_andi_i64(o->out, o->out, ~sign);
- tcg_gen_andi_i64(o->in1, o->in1, sign);
- tcg_gen_or_i64(o->out, o->out, o->in1);
+ check_privileged(s);
+ tcg_gen_ld32u_i64(o->out, cpu_env, offsetof(CPUS390XState, cpu_num));
return NO_EXIT;
}
-static ExitStatus op_sll(DisasContext *s, DisasOps *o)
+static ExitStatus op_spt(DisasContext *s, DisasOps *o)
{
- tcg_gen_shl_i64(o->out, o->in1, o->in2);
+ check_privileged(s);
+ gen_helper_spt(cpu_env, o->in2);
return NO_EXIT;
}
-static ExitStatus op_sra(DisasContext *s, DisasOps *o)
+static ExitStatus op_stpt(DisasContext *s, DisasOps *o)
{
- tcg_gen_sar_i64(o->out, o->in1, o->in2);
+ check_privileged(s);
+ gen_helper_stpt(o->out, cpu_env);
return NO_EXIT;
}
-static ExitStatus op_srl(DisasContext *s, DisasOps *o)
+static ExitStatus op_spx(DisasContext *s, DisasOps *o)
{
- tcg_gen_shr_i64(o->out, o->in1, o->in2);
+ check_privileged(s);
+ gen_helper_spx(cpu_env, o->in2);
return NO_EXIT;
}
-#ifndef CONFIG_USER_ONLY
-static ExitStatus op_ssm(DisasContext *s, DisasOps *o)
+static ExitStatus op_stpx(DisasContext *s, DisasOps *o)
{
check_privileged(s);
- tcg_gen_deposit_i64(psw_mask, psw_mask, o->in2, 56, 8);
+ tcg_gen_ld_i64(o->out, cpu_env, offsetof(CPUS390XState, psa));
+ tcg_gen_andi_i64(o->out, o->out, 0x7fffe000);
return NO_EXIT;
}
return NO_EXIT;
}
+static ExitStatus op_stcm(DisasContext *s, DisasOps *o)
+{
+ int m3 = get_field(s->fields, m3);
+ int pos, base = s->insn->data;
+ TCGv_i64 tmp = tcg_temp_new_i64();
+
+ pos = base + ctz32(m3) * 8;
+ switch (m3) {
+ case 0xf:
+ /* Effectively a 32-bit store. */
+ tcg_gen_shri_i64(tmp, o->in1, pos);
+ tcg_gen_qemu_st32(tmp, o->in2, get_mem_index(s));
+ break;
+
+ case 0xc:
+ case 0x6:
+ case 0x3:
+ /* Effectively a 16-bit store. */
+ tcg_gen_shri_i64(tmp, o->in1, pos);
+ tcg_gen_qemu_st16(tmp, o->in2, get_mem_index(s));
+ break;
+
+ case 0x8:
+ case 0x4:
+ case 0x2:
+ case 0x1:
+ /* Effectively an 8-bit store. */
+ tcg_gen_shri_i64(tmp, o->in1, pos);
+ tcg_gen_qemu_st8(tmp, o->in2, get_mem_index(s));
+ break;
+
+ default:
+ /* This is going to be a sequence of shifts and stores. */
+ pos = base + 32 - 8;
+ while (m3) {
+ if (m3 & 0x8) {
+ tcg_gen_shri_i64(tmp, o->in1, pos);
+ tcg_gen_qemu_st8(tmp, o->in2, get_mem_index(s));
+ tcg_gen_addi_i64(o->in2, o->in2, 1);
+ }
+ m3 = (m3 << 1) & 0xf;
+ pos -= 8;
+ }
+ break;
+ }
+ tcg_temp_free_i64(tmp);
+ return NO_EXIT;
+}
+
static ExitStatus op_stm(DisasContext *s, DisasOps *o)
{
int r1 = get_field(s->fields, r1);
return NO_EXIT;
}
+static ExitStatus op_srst(DisasContext *s, DisasOps *o)
+{
+ potential_page_fault(s);
+ gen_helper_srst(o->in1, cpu_env, regs[0], o->in1, o->in2);
+ set_cc_static(s);
+ return_low128(o->in2);
+ return NO_EXIT;
+}
+
static ExitStatus op_sub(DisasContext *s, DisasOps *o)
{
tcg_gen_sub_i64(o->out, o->in1, o->in2);
return EXIT_NORETURN;
}
+static ExitStatus op_tceb(DisasContext *s, DisasOps *o)
+{
+ gen_helper_tceb(cc_op, o->in1, o->in2);
+ set_cc_static(s);
+ return NO_EXIT;
+}
+
+static ExitStatus op_tcdb(DisasContext *s, DisasOps *o)
+{
+ gen_helper_tcdb(cc_op, o->in1, o->in2);
+ set_cc_static(s);
+ return NO_EXIT;
+}
+
+static ExitStatus op_tcxb(DisasContext *s, DisasOps *o)
+{
+ gen_helper_tcxb(cc_op, o->out, o->out2, o->in2);
+ set_cc_static(s);
+ return NO_EXIT;
+}
+
+#ifndef CONFIG_USER_ONLY
+static ExitStatus op_tprot(DisasContext *s, DisasOps *o)
+{
+ potential_page_fault(s);
+ gen_helper_tprot(cc_op, o->addr1, o->in2);
+ set_cc_static(s);
+ return NO_EXIT;
+}
+#endif
+
+static ExitStatus op_tr(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 l = tcg_const_i32(get_field(s->fields, l1));
+ potential_page_fault(s);
+ gen_helper_tr(cpu_env, l, o->addr1, o->in2);
+ tcg_temp_free_i32(l);
+ set_cc_static(s);
+ return NO_EXIT;
+}
+
+static ExitStatus op_unpk(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 l = tcg_const_i32(get_field(s->fields, l1));
+ potential_page_fault(s);
+ gen_helper_unpk(cpu_env, l, o->addr1, o->in2);
+ tcg_temp_free_i32(l);
+ return NO_EXIT;
+}
+
+static ExitStatus op_xc(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 l = tcg_const_i32(get_field(s->fields, l1));
+ potential_page_fault(s);
+ gen_helper_xc(cc_op, cpu_env, l, o->addr1, o->in2);
+ tcg_temp_free_i32(l);
+ set_cc_static(s);
+ return NO_EXIT;
+}
+
static ExitStatus op_xor(DisasContext *s, DisasOps *o)
{
tcg_gen_xor_i64(o->out, o->in1, o->in2);
return NO_EXIT;
}
+static ExitStatus op_zero(DisasContext *s, DisasOps *o)
+{
+ o->out = tcg_const_i64(0);
+ return NO_EXIT;
+}
+
+static ExitStatus op_zero2(DisasContext *s, DisasOps *o)
+{
+ o->out = tcg_const_i64(0);
+ o->out2 = o->out;
+ o->g_out2 = true;
+ return NO_EXIT;
+}
+
/* ====================================================================== */
/* The "Cc OUTput" generators. Given the generated output (and in some cases
the original inputs), update the various cc data structures in order to
gen_op_update2_cc_i64(s, CC_OP_LTUGTU_64, o->in1, o->in2);
}
+static void cout_f32(DisasContext *s, DisasOps *o)
+{
+ gen_op_update1_cc_i64(s, CC_OP_NZ_F32, o->out);
+}
+
+static void cout_f64(DisasContext *s, DisasOps *o)
+{
+ gen_op_update1_cc_i64(s, CC_OP_NZ_F64, o->out);
+}
+
+static void cout_f128(DisasContext *s, DisasOps *o)
+{
+ gen_op_update2_cc_i64(s, CC_OP_NZ_F128, o->out, o->out2);
+}
+
static void cout_nabs32(DisasContext *s, DisasOps *o)
{
gen_op_update1_cc_i64(s, CC_OP_NABS_32, o->out);
o->g_out = o->g_out2 = true;
}
+static void prep_f1(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ o->out = fregs[get_field(f, r1)];
+ o->g_out = true;
+}
+
+static void prep_x1(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ /* ??? Specification exception: r1 must be < 14. */
+ int r1 = get_field(f, r1);
+ o->out = fregs[r1];
+ o->out2 = fregs[(r1 + 2) & 15];
+ o->g_out = o->g_out2 = true;
+}
+
/* ====================================================================== */
/* The "Write OUTput" generators. These generally perform some non-trivial
copy of data to TCG globals, or to main memory. The trivial cases are
tcg_gen_deposit_i64(regs[r1], regs[r1], o->out, 0, 8);
}
+static void wout_r1_16(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ int r1 = get_field(f, r1);
+ tcg_gen_deposit_i64(regs[r1], regs[r1], o->out, 0, 16);
+}
+
static void wout_r1_32(DisasContext *s, DisasFields *f, DisasOps *o)
{
store_reg32_i64(get_field(f, r1), o->out);
static void wout_x1(DisasContext *s, DisasFields *f, DisasOps *o)
{
+ /* ??? Specification exception: r1 must be < 14. */
int f1 = get_field(s->fields, r1);
store_freg(f1, o->out);
store_freg((f1 + 2) & 15, o->out2);
tcg_gen_qemu_st64(o->out, o->addr1, get_mem_index(s));
}
+static void wout_m2_32(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ tcg_gen_qemu_st32(o->out, o->in2, get_mem_index(s));
+}
+
/* ====================================================================== */
/* The "INput 1" generators. These load the first operand to an insn. */
tcg_gen_ext32u_i64(o->in1, regs[get_field(f, r1)]);
}
+static void in1_r1_sr32(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ o->in1 = tcg_temp_new_i64();
+ tcg_gen_shri_i64(o->in1, regs[get_field(f, r1)], 32);
+}
+
static void in1_r1p1(DisasContext *s, DisasFields *f, DisasOps *o)
{
/* ??? Specification exception: r1 must be even. */
o->g_in1 = true;
}
+static void in1_x1_o(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ /* ??? Specification exception: r1 must be < 14. */
+ int r1 = get_field(f, r1);
+ o->out = fregs[r1];
+ o->out2 = fregs[(r1 + 2) & 15];
+ o->g_out = o->g_out2 = true;
+}
+
static void in1_la1(DisasContext *s, DisasFields *f, DisasOps *o)
{
o->addr1 = get_address(s, 0, get_field(f, b1), get_field(f, d1));
}
+static void in1_la2(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ int x2 = have_field(f, x2) ? get_field(f, x2) : 0;
+ o->addr1 = get_address(s, x2, get_field(f, b2), get_field(f, d2));
+}
+
static void in1_m1_8u(DisasContext *s, DisasFields *f, DisasOps *o)
{
in1_la1(s, f, o);
/* ====================================================================== */
/* The "INput 2" generators. These load the second operand to an insn. */
+static void in2_r1_o(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ o->in2 = regs[get_field(f, r1)];
+ o->g_in2 = true;
+}
+
+static void in2_r1_16u(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ o->in2 = tcg_temp_new_i64();
+ tcg_gen_ext16u_i64(o->in2, regs[get_field(f, r1)]);
+}
+
+static void in2_r1_32u(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ o->in2 = tcg_temp_new_i64();
+ tcg_gen_ext32u_i64(o->in2, regs[get_field(f, r1)]);
+}
+
static void in2_r2(DisasContext *s, DisasFields *f, DisasOps *o)
{
o->in2 = load_reg(get_field(f, r2));
static void in2_x2_o(DisasContext *s, DisasFields *f, DisasOps *o)
{
- int f2 = get_field(f, r2);
- o->in1 = fregs[f2];
- o->in2 = fregs[(f2 + 2) & 15];
+ /* ??? Specification exception: r1 must be < 14. */
+ int r2 = get_field(f, r2);
+ o->in1 = fregs[r2];
+ o->in2 = fregs[(r2 + 2) & 15];
o->g_in1 = o->g_in2 = true;
}
+static void in2_ra2(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ o->in2 = get_address(s, 0, get_field(f, r2), 0);
+}
+
static void in2_a2(DisasContext *s, DisasFields *f, DisasOps *o)
{
int x2 = have_field(f, x2) ? get_field(f, x2) : 0;
tcg_gen_qemu_ld16s(o->in2, o->in2, get_mem_index(s));
}
+static void in2_m2_16u(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ in2_a2(s, f, o);
+ tcg_gen_qemu_ld16u(o->in2, o->in2, get_mem_index(s));
+}
+
static void in2_m2_32s(DisasContext *s, DisasFields *f, DisasOps *o)
{
in2_a2(s, f, o);
projects / qemu.git / blobdiff