#include "disas/disas.h"
#include "tcg-op.h"
#include "qemu/log.h"
+#include "qemu/host-utils.h"
/* global register indexes */
static TCGv_ptr cpu_env;
return r;
}
+static inline TCGv_i64 load_freg32_i64(int reg)
+{
+ TCGv_i64 r = tcg_temp_new_i64();
+ tcg_gen_shri_i64(r, fregs[reg], 32);
+ return r;
+}
+
static inline TCGv_i32 load_reg32(int reg)
{
TCGv_i32 r = tcg_temp_new_i32();
tcg_gen_deposit_i64(regs[reg], regs[reg], v, 0, 32);
}
+static inline void store_reg32h_i64(int reg, TCGv_i64 v)
+{
+ 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 */
#endif
}
-static inline void store_reg8(int reg, TCGv_i64 v)
-{
- /* 8 bit register writes keep the upper bytes */
- tcg_gen_deposit_i64(regs[reg], regs[reg], v, 0, 8);
-}
-
static inline void store_freg32(int reg, TCGv_i32 v)
{
/* 32 bit register writes keep the lower half */
#endif
}
+static inline void store_freg32_i64(int reg, TCGv_i64 v)
+{
+ tcg_gen_deposit_i64(fregs[reg], fregs[reg], v, 32, 32);
+}
+
static inline void return_low128(TCGv_i64 dest)
{
tcg_gen_ld_i64(dest, cpu_env, offsetof(CPUS390XState, retxl));
gen_op_update1_cc_i64(s, CC_OP_LTGT0_64, val);
}
-static void set_cc_icm(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2)
-{
- gen_op_update2_cc_i32(s, CC_OP_ICM, v1, v2);
-}
-
static void set_cc_cmp_f32_i64(DisasContext *s, TCGv_i32 v1, TCGv_i64 v2)
{
tcg_gen_extu_i32_i64(cc_src, v1);
case CC_OP_TM_64:
case CC_OP_LTGT_F32:
case CC_OP_LTGT_F64:
- case CC_OP_SLAG:
+ case CC_OP_SLA_32:
+ case CC_OP_SLA_64:
/* 2 arguments */
gen_helper_calc_cc(cc_op, cpu_env, local_cc_op, cc_src, cc_dst, dummy);
break;
case CC_OP_LTGT0_64:
case CC_OP_NZ:
- case CC_OP_ICM:
c->u.s64.a = cc_dst;
c->u.s64.b = tcg_const_i64(0);
c->g1 = true;
case CC_OP_TM_32:
case CC_OP_TM_64:
+ case CC_OP_ICM:
c->u.s64.a = tcg_temp_new_i64();
c->u.s64.b = tcg_const_i64(0);
tcg_gen_and_i64(c->u.s64.a, cc_src, cc_dst);
}
}
-static void gen_op_mvc(DisasContext *s, int l, TCGv_i64 s1, TCGv_i64 s2)
-{
- TCGv_i64 tmp, tmp2;
- int i;
- int l_memset = gen_new_label();
- int l_out = gen_new_label();
- TCGv_i64 dest = tcg_temp_local_new_i64();
- TCGv_i64 src = tcg_temp_local_new_i64();
- TCGv_i32 vl;
-
- /* Find out if we should use the inline version of mvc */
- switch (l) {
- case 0:
- case 1:
- case 2:
- case 3:
- case 4:
- case 5:
- case 6:
- case 7:
- case 11:
- case 15:
- /* use inline */
- break;
- default:
- /* Fall back to helper */
- vl = tcg_const_i32(l);
- potential_page_fault(s);
- gen_helper_mvc(cpu_env, vl, s1, s2);
- tcg_temp_free_i32(vl);
- return;
- }
-
- tcg_gen_mov_i64(dest, s1);
- tcg_gen_mov_i64(src, s2);
-
- if (!(s->tb->flags & FLAG_MASK_64)) {
- /* XXX what if we overflow while moving? */
- tcg_gen_andi_i64(dest, dest, 0x7fffffffUL);
- tcg_gen_andi_i64(src, src, 0x7fffffffUL);
- }
-
- tmp = tcg_temp_new_i64();
- tcg_gen_addi_i64(tmp, src, 1);
- tcg_gen_brcond_i64(TCG_COND_EQ, dest, tmp, l_memset);
- tcg_temp_free_i64(tmp);
-
- switch (l) {
- case 0:
- tmp = tcg_temp_new_i64();
-
- tcg_gen_qemu_ld8u(tmp, src, get_mem_index(s));
- tcg_gen_qemu_st8(tmp, dest, get_mem_index(s));
-
- tcg_temp_free_i64(tmp);
- break;
- case 1:
- tmp = tcg_temp_new_i64();
-
- tcg_gen_qemu_ld16u(tmp, src, get_mem_index(s));
- tcg_gen_qemu_st16(tmp, dest, get_mem_index(s));
-
- tcg_temp_free_i64(tmp);
- break;
- case 3:
- tmp = tcg_temp_new_i64();
-
- tcg_gen_qemu_ld32u(tmp, src, get_mem_index(s));
- tcg_gen_qemu_st32(tmp, dest, get_mem_index(s));
-
- tcg_temp_free_i64(tmp);
- break;
- case 4:
- tmp = tcg_temp_new_i64();
- tmp2 = tcg_temp_new_i64();
-
- tcg_gen_qemu_ld32u(tmp, src, get_mem_index(s));
- tcg_gen_addi_i64(src, src, 4);
- tcg_gen_qemu_ld8u(tmp2, src, get_mem_index(s));
- tcg_gen_qemu_st32(tmp, dest, get_mem_index(s));
- tcg_gen_addi_i64(dest, dest, 4);
- tcg_gen_qemu_st8(tmp2, dest, get_mem_index(s));
-
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- break;
- case 7:
- tmp = tcg_temp_new_i64();
-
- tcg_gen_qemu_ld64(tmp, src, get_mem_index(s));
- tcg_gen_qemu_st64(tmp, dest, get_mem_index(s));
-
- tcg_temp_free_i64(tmp);
- break;
- default:
- /* The inline version can become too big for too uneven numbers, only
- use it on known good lengths */
- tmp = tcg_temp_new_i64();
- tmp2 = tcg_const_i64(8);
- for (i = 0; (i + 7) <= l; i += 8) {
- tcg_gen_qemu_ld64(tmp, src, get_mem_index(s));
- tcg_gen_qemu_st64(tmp, dest, get_mem_index(s));
-
- tcg_gen_add_i64(src, src, tmp2);
- tcg_gen_add_i64(dest, dest, tmp2);
- }
-
- tcg_temp_free_i64(tmp2);
- tmp2 = tcg_const_i64(1);
-
- for (; i <= l; i++) {
- tcg_gen_qemu_ld8u(tmp, src, get_mem_index(s));
- tcg_gen_qemu_st8(tmp, dest, get_mem_index(s));
-
- tcg_gen_add_i64(src, src, tmp2);
- tcg_gen_add_i64(dest, dest, tmp2);
- }
-
- tcg_temp_free_i64(tmp2);
- tcg_temp_free_i64(tmp);
- break;
- }
-
- tcg_gen_br(l_out);
-
- gen_set_label(l_memset);
- /* memset case (dest == (src + 1)) */
-
- tmp = tcg_temp_new_i64();
- tmp2 = tcg_temp_new_i64();
- /* fill tmp with the byte */
- tcg_gen_qemu_ld8u(tmp, src, get_mem_index(s));
- tcg_gen_shli_i64(tmp2, tmp, 8);
- tcg_gen_or_i64(tmp, tmp, tmp2);
- tcg_gen_shli_i64(tmp2, tmp, 16);
- tcg_gen_or_i64(tmp, tmp, tmp2);
- tcg_gen_shli_i64(tmp2, tmp, 32);
- tcg_gen_or_i64(tmp, tmp, tmp2);
- tcg_temp_free_i64(tmp2);
-
- tmp2 = tcg_const_i64(8);
-
- for (i = 0; (i + 7) <= l; i += 8) {
- tcg_gen_qemu_st64(tmp, dest, get_mem_index(s));
- tcg_gen_addi_i64(dest, dest, 8);
- }
-
- tcg_temp_free_i64(tmp2);
- tmp2 = tcg_const_i64(1);
-
- for (; i <= l; i++) {
- tcg_gen_qemu_st8(tmp, dest, get_mem_index(s));
- tcg_gen_addi_i64(dest, dest, 1);
- }
-
- tcg_temp_free_i64(tmp2);
- tcg_temp_free_i64(tmp);
-
- gen_set_label(l_out);
-
- tcg_temp_free(dest);
- tcg_temp_free(src);
-}
-
-static void gen_op_clc(DisasContext *s, int l, TCGv_i64 s1, TCGv_i64 s2)
-{
- 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;
- }
-
- 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);
-}
-
static void disas_e3(CPUS390XState *env, DisasContext* s, int op, int r1,
int x2, int b2, int d2)
{
- TCGv_i64 addr, tmp2, tmp3;
+ TCGv_i64 addr, tmp2;
TCGv_i32 tmp32_1;
LOG_DISAS("disas_e3: op 0x%x r1 %d x2 %d b2 %d d2 %d\n",
tcg_gen_qemu_st32(tmp2, addr, get_mem_index(s));
tcg_temp_free_i64(tmp2);
break;
- case 0x73: /* ICY R1,D2(X2,B2) [RXY] */
- tmp3 = tcg_temp_new_i64();
- tcg_gen_qemu_ld8u(tmp3, addr, get_mem_index(s));
- store_reg8(r1, tmp3);
- tcg_temp_free_i64(tmp3);
- break;
default:
LOG_DISAS("illegal e3 operation 0x%x\n", op);
gen_illegal_opcode(s);
static void disas_eb(CPUS390XState *env, DisasContext *s, int op, int r1,
int r3, int b2, int d2)
{
- TCGv_i64 tmp, tmp2, tmp3, tmp4;
+ TCGv_i64 tmp;
TCGv_i32 tmp32_1, tmp32_2;
- int i, stm_len;
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 0xc: /* SRLG R1,R3,D2(B2) [RSY] */
- case 0xd: /* SLLG R1,R3,D2(B2) [RSY] */
- case 0xa: /* SRAG R1,R3,D2(B2) [RSY] */
- case 0xb: /* SLAG R1,R3,D2(B2) [RSY] */
- case 0x1c: /* RLLG R1,R3,D2(B2) [RSY] */
- if (b2) {
- tmp = get_address(s, 0, b2, d2);
- tcg_gen_andi_i64(tmp, tmp, 0x3f);
- } else {
- tmp = tcg_const_i64(d2 & 0x3f);
- }
- switch (op) {
- case 0xc:
- tcg_gen_shr_i64(regs[r1], regs[r3], tmp);
- break;
- case 0xd:
- tcg_gen_shl_i64(regs[r1], regs[r3], tmp);
- break;
- case 0xa:
- tcg_gen_sar_i64(regs[r1], regs[r3], tmp);
- break;
- case 0xb:
- tmp2 = tcg_temp_new_i64();
- tmp3 = tcg_temp_new_i64();
- gen_op_update2_cc_i64(s, CC_OP_SLAG, regs[r3], tmp);
- tcg_gen_shl_i64(tmp2, regs[r3], tmp);
- /* override sign bit with source sign */
- tcg_gen_andi_i64(tmp2, tmp2, ~0x8000000000000000ULL);
- tcg_gen_andi_i64(tmp3, regs[r3], 0x8000000000000000ULL);
- tcg_gen_or_i64(regs[r1], tmp2, tmp3);
- tcg_temp_free_i64(tmp2);
- tcg_temp_free_i64(tmp3);
- break;
- case 0x1c:
- tcg_gen_rotl_i64(regs[r1], regs[r3], tmp);
- break;
- default:
- tcg_abort();
- break;
- }
- if (op == 0xa) {
- set_cc_s64(s, regs[r1]);
- }
- tcg_temp_free_i64(tmp);
- break;
- case 0x1d: /* RLL R1,R3,D2(B2) [RSY] */
- if (b2) {
- tmp = get_address(s, 0, b2, d2);
- tcg_gen_andi_i64(tmp, tmp, 0x3f);
- } else {
- tmp = tcg_const_i64(d2 & 0x3f);
- }
- tmp32_1 = tcg_temp_new_i32();
- tmp32_2 = load_reg32(r3);
- tcg_gen_trunc_i64_i32(tmp32_1, tmp);
- switch (op) {
- case 0x1d:
- tcg_gen_rotl_i32(tmp32_1, tmp32_2, tmp32_1);
- break;
- default:
- tcg_abort();
- break;
- }
- store_reg32(r1, tmp32_1);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i32(tmp32_2);
- break;
- case 0x4: /* LMG R1,R3,D2(B2) [RSE] */
- case 0x24: /* STMG R1,R3,D2(B2) [RSE] */
- stm_len = 8;
- goto do_mh;
- case 0x26: /* STMH R1,R3,D2(B2) [RSE] */
- case 0x96: /* LMH R1,R3,D2(B2) [RSE] */
- stm_len = 4;
-do_mh:
- /* Apparently, unrolling lmg/stmg of any size gains performance -
- even for very long ones... */
- tmp = get_address(s, 0, b2, d2);
- tmp3 = tcg_const_i64(stm_len);
- tmp4 = tcg_const_i64(op == 0x26 ? 32 : 4);
- for (i = r1;; i = (i + 1) % 16) {
- switch (op) {
- case 0x4:
- tcg_gen_qemu_ld64(regs[i], tmp, get_mem_index(s));
- break;
- case 0x96:
- tmp2 = tcg_temp_new_i64();
-#if HOST_LONG_BITS == 32
- tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
- tcg_gen_trunc_i64_i32(TCGV_HIGH(regs[i]), tmp2);
-#else
- tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
- tcg_gen_shl_i64(tmp2, tmp2, tmp4);
- tcg_gen_ext32u_i64(regs[i], regs[i]);
- tcg_gen_or_i64(regs[i], regs[i], tmp2);
-#endif
- tcg_temp_free_i64(tmp2);
- break;
- case 0x24:
- tcg_gen_qemu_st64(regs[i], tmp, get_mem_index(s));
- break;
- case 0x26:
- tmp2 = tcg_temp_new_i64();
- tcg_gen_shr_i64(tmp2, regs[i], tmp4);
- tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s));
- tcg_temp_free_i64(tmp2);
- break;
- default:
- tcg_abort();
- }
- if (i == r3) {
- break;
- }
- tcg_gen_add_i64(tmp, tmp, tmp3);
- }
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp3);
- tcg_temp_free_i64(tmp4);
- break;
case 0x2c: /* STCMH R1,M3,D2(B2) [RSY] */
tmp = get_address(s, 0, b2, d2);
tmp32_1 = tcg_const_i32(r1);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
- case 0x52: /* MVIY D1(B1),I2 [SIY] */
- tmp = get_address(s, 0, b2, d2); /* SIY -> this is the destination */
- tmp2 = tcg_const_i64((r1 << 4) | r3);
- tcg_gen_qemu_st8(tmp2, tmp, get_mem_index(s));
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- break;
- case 0x80: /* ICMH R1,M3,D2(B2) [RSY] */
- tmp = get_address(s, 0, b2, d2);
- tmp32_1 = tcg_const_i32(r1);
- tmp32_2 = tcg_const_i32(r3);
- potential_page_fault(s);
- /* XXX split CC calculation out */
- gen_helper_icmh(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;
default:
LOG_DISAS("illegal eb operation 0x%x\n", op);
gen_illegal_opcode(s);
static void disas_s390_insn(CPUS390XState *env, DisasContext *s)
{
- TCGv_i64 tmp, tmp2, tmp3, tmp4;
- TCGv_i32 tmp32_1, tmp32_2, tmp32_3, tmp32_4;
+ 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, i, i2, r1b;
- TCGv_i32 vl;
+ int op, r1, r2, r3, d1, d2, x2, b1, b2, r1b;
opc = cpu_ldub_code(env, s->pc);
LOG_DISAS("opc 0x%x\n", opc);
switch (opc) {
- case 0xa: /* SVC I [RR] */
- insn = ld_code2(env, s->pc);
- debug_insn(insn);
- i = insn & 0xff;
- update_psw_addr(s);
- gen_op_calc_cc(s);
- tmp32_1 = tcg_const_i32(i);
- tmp32_2 = tcg_const_i32(s->next_pc - s->pc);
- tcg_gen_st_i32(tmp32_1, cpu_env, offsetof(CPUS390XState, int_svc_code));
- tcg_gen_st_i32(tmp32_2, cpu_env, offsetof(CPUS390XState, int_svc_ilen));
- gen_exception(EXCP_SVC);
- s->is_jmp = DISAS_EXCP;
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i32(tmp32_2);
- break;
- case 0xe: /* MVCL R1,R2 [RR] */
- insn = ld_code2(env, s->pc);
- decode_rr(s, insn, &r1, &r2);
+#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);
- tmp32_2 = tcg_const_i32(r2);
potential_page_fault(s);
- gen_helper_mvcl(cc_op, cpu_env, tmp32_1, tmp32_2);
+ gen_helper_sigp(cc_op, cpu_env, tmp, tmp32_1, tmp2);
set_cc_static(s);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i32(tmp32_2);
- break;
- case 0x28: /* LDR R1,R2 [RR] */
- insn = ld_code2(env, s->pc);
- decode_rr(s, insn, &r1, &r2);
- tmp = load_freg(r2);
- store_freg(r1, tmp);
- tcg_temp_free_i64(tmp);
- break;
- case 0x38: /* LER R1,R2 [RR] */
- insn = ld_code2(env, s->pc);
- decode_rr(s, insn, &r1, &r2);
- tmp32_1 = load_freg32(r2);
- store_freg32(r1, tmp32_1);
- tcg_temp_free_i32(tmp32_1);
- break;
- case 0x43: /* IC R1,D2(X2,B2) [RX] */
- insn = ld_code4(env, s->pc);
- tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
- tmp2 = tcg_temp_new_i64();
- tcg_gen_qemu_ld8u(tmp2, tmp, get_mem_index(s));
- store_reg8(r1, tmp2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
+ tcg_temp_free_i32(tmp32_1);
break;
- case 0x44: /* EX R1,D2(X2,B2) [RX] */
+ 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);
- tmp2 = load_reg(r1);
- tmp3 = tcg_const_i64(s->pc + 4);
- update_psw_addr(s);
- gen_op_calc_cc(s);
- gen_helper_ex(cc_op, cpu_env, cc_op, tmp2, tmp, tmp3);
+ 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_i64(tmp2);
- tcg_temp_free_i64(tmp3);
- break;
- case 0x4e: /* CVD R1,D2(X2,B2) [RX] */
- insn = ld_code4(env, s->pc);
- tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
- tmp2 = tcg_temp_new_i64();
- tmp32_1 = tcg_temp_new_i32();
- tcg_gen_trunc_i64_i32(tmp32_1, regs[r1]);
- gen_helper_cvd(tmp2, tmp32_1);
- tcg_gen_qemu_st64(tmp2, tmp, get_mem_index(s));
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
tcg_temp_free_i32(tmp32_1);
break;
- case 0x60: /* STD R1,D2(X2,B2) [RX] */
- insn = ld_code4(env, s->pc);
- tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
- tmp2 = load_freg(r1);
- tcg_gen_qemu_st64(tmp2, tmp, get_mem_index(s));
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- break;
- case 0x68: /* LD R1,D2(X2,B2) [RX] */
- insn = ld_code4(env, s->pc);
- tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
- tmp2 = tcg_temp_new_i64();
- tcg_gen_qemu_ld64(tmp2, tmp, get_mem_index(s));
- store_freg(r1, tmp2);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- break;
- case 0x70: /* STE R1,D2(X2,B2) [RX] */
- insn = ld_code4(env, s->pc);
- tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
- tmp2 = tcg_temp_new_i64();
- tmp32_1 = load_freg32(r1);
- 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 0x78: /* LE R1,D2(X2,B2) [RX] */
- insn = ld_code4(env, s->pc);
- tmp = decode_rx(s, insn, &r1, &x2, &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);
- store_freg32(r1, tmp32_1);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- tcg_temp_free_i32(tmp32_1);
- break;
-#ifndef CONFIG_USER_ONLY
- case 0x80: /* SSM D2(B2) [S] */
- /* Set System Mask */
- 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 = tcg_temp_new_i64();
- tmp3 = tcg_temp_new_i64();
- tcg_gen_andi_i64(tmp3, psw_mask, ~0xff00000000000000ULL);
- tcg_gen_qemu_ld8u(tmp2, tmp, get_mem_index(s));
- tcg_gen_shli_i64(tmp2, tmp2, 56);
- tcg_gen_or_i64(psw_mask, tmp3, tmp2);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- tcg_temp_free_i64(tmp3);
- break;
- case 0x82: /* LPSW D2(B2) [S] */
- /* Load PSW */
- 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 = tcg_temp_new_i64();
- tmp3 = tcg_temp_new_i64();
- tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
- tcg_gen_addi_i64(tmp, tmp, 4);
- tcg_gen_qemu_ld32u(tmp3, tmp, get_mem_index(s));
- /* Convert the 32-bit PSW_MASK into the 64-bit PSW_MASK. */
- tcg_gen_shli_i64(tmp2, tmp2, 32);
- gen_helper_load_psw(cpu_env, tmp2, tmp3);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- tcg_temp_free_i64(tmp3);
- /* we need to keep cc_op intact */
- s->is_jmp = DISAS_JUMP;
- break;
- case 0x83: /* DIAG R1,R3,D2 [RS] */
- /* Diagnose call (KVM hypercall) */
- check_privileged(s);
- potential_page_fault(s);
- insn = ld_code4(env, s->pc);
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- tmp32_1 = tcg_const_i32(insn & 0xfff);
- tmp2 = load_reg(2);
- tmp3 = load_reg(1);
- gen_helper_diag(tmp2, cpu_env, tmp32_1, tmp2, tmp3);
- store_reg(2, tmp2);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i64(tmp2);
- tcg_temp_free_i64(tmp3);
- break;
-#endif
- case 0x88: /* SRL R1,D2(B2) [RS] */
- case 0x89: /* SLL R1,D2(B2) [RS] */
- case 0x8a: /* SRA R1,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_temp_new_i32();
- tcg_gen_trunc_i64_i32(tmp32_2, tmp);
- tcg_gen_andi_i32(tmp32_2, tmp32_2, 0x3f);
- switch (opc) {
- case 0x88:
- tcg_gen_shr_i32(tmp32_1, tmp32_1, tmp32_2);
- break;
- case 0x89:
- tcg_gen_shl_i32(tmp32_1, tmp32_1, tmp32_2);
- break;
- case 0x8a:
- tcg_gen_sar_i32(tmp32_1, tmp32_1, tmp32_2);
- set_cc_s32(s, tmp32_1);
- break;
- default:
- tcg_abort();
- }
- store_reg32(r1, tmp32_1);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i32(tmp32_2);
- break;
- case 0x8c: /* SRDL R1,D2(B2) [RS] */
- case 0x8d: /* SLDL R1,D2(B2) [RS] */
- case 0x8e: /* SRDA R1,D2(B2) [RS] */
- insn = ld_code4(env, s->pc);
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- tmp = get_address(s, 0, b2, d2); /* shift */
- tmp2 = tcg_temp_new_i64();
- tmp32_1 = load_reg32(r1);
- tmp32_2 = load_reg32(r1 + 1);
- tcg_gen_concat_i32_i64(tmp2, tmp32_2, tmp32_1); /* operand */
- switch (opc) {
- case 0x8c:
- tcg_gen_shr_i64(tmp2, tmp2, tmp);
- break;
- case 0x8d:
- tcg_gen_shl_i64(tmp2, tmp2, tmp);
- break;
- case 0x8e:
- tcg_gen_sar_i64(tmp2, tmp2, tmp);
- set_cc_s64(s, tmp2);
- break;
- }
- tcg_gen_shri_i64(tmp, tmp2, 32);
- tcg_gen_trunc_i64_i32(tmp32_1, tmp);
- store_reg32(r1, tmp32_1);
- tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
- store_reg32(r1 + 1, tmp32_2);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- break;
- case 0x98: /* LM R1,R3,D2(B2) [RS] */
- case 0x90: /* STM 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);
- tmp2 = tcg_temp_new_i64();
- tmp3 = tcg_const_i64(4);
- tmp4 = tcg_const_i64(0xffffffff00000000ULL);
- for (i = r1;; i = (i + 1) % 16) {
- if (opc == 0x98) {
- tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
- tcg_gen_and_i64(regs[i], regs[i], tmp4);
- tcg_gen_or_i64(regs[i], regs[i], tmp2);
- } else {
- tcg_gen_qemu_st32(regs[i], tmp, get_mem_index(s));
- }
- if (i == r3) {
- break;
- }
- tcg_gen_add_i64(tmp, tmp, tmp3);
- }
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- tcg_temp_free_i64(tmp3);
- tcg_temp_free_i64(tmp4);
- break;
- case 0x92: /* MVI D1(B1),I2 [SI] */
- insn = ld_code4(env, s->pc);
- tmp = decode_si(s, insn, &i2, &b1, &d1);
- tmp2 = tcg_const_i64(i2);
- tcg_gen_qemu_st8(tmp2, tmp, get_mem_index(s));
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- break;
- case 0x94: /* NI D1(B1),I2 [SI] */
- case 0x96: /* OI D1(B1),I2 [SI] */
- case 0x97: /* XI D1(B1),I2 [SI] */
- insn = ld_code4(env, s->pc);
- tmp = decode_si(s, insn, &i2, &b1, &d1);
- tmp2 = tcg_temp_new_i64();
- tcg_gen_qemu_ld8u(tmp2, tmp, get_mem_index(s));
- switch (opc) {
- case 0x94:
- tcg_gen_andi_i64(tmp2, tmp2, i2);
- break;
- case 0x96:
- tcg_gen_ori_i64(tmp2, tmp2, i2);
- break;
- case 0x97:
- tcg_gen_xori_i64(tmp2, tmp2, i2);
- break;
- default:
- tcg_abort();
- }
- tcg_gen_qemu_st8(tmp2, tmp, get_mem_index(s));
- set_cc_nz_u64(s, tmp2);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- break;
- case 0x9a: /* LAM 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_lam(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 0x9b: /* STAM 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_stam(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 0xa8: /* MVCLE 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_mvcle(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 0xa9: /* CLCLE 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_clcle(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;
-#ifndef CONFIG_USER_ONLY
- case 0xac: /* STNSM D1(B1),I2 [SI] */
- case 0xad: /* STOSM D1(B1),I2 [SI] */
- check_privileged(s);
- insn = ld_code4(env, s->pc);
- tmp = decode_si(s, insn, &i2, &b1, &d1);
- tmp2 = tcg_temp_new_i64();
- tcg_gen_shri_i64(tmp2, psw_mask, 56);
- tcg_gen_qemu_st8(tmp2, tmp, get_mem_index(s));
- if (opc == 0xac) {
- tcg_gen_andi_i64(psw_mask, psw_mask,
- ((uint64_t)i2 << 56) | 0x00ffffffffffffffULL);
- } else {
- tcg_gen_ori_i64(psw_mask, psw_mask, (uint64_t)i2 << 56);
- }
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- break;
- 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:
+#endif
+ case 0xb2:
insn = ld_code4(env, s->pc);
op = (insn >> 16) & 0xff;
switch (op) {
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
- case 0xbf: /* ICM R1,M3,D2(B2) [RS] */
- insn = ld_code4(env, s->pc);
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- if (r3 == 15) {
- /* effectively a 32-bit load */
- tmp = get_address(s, 0, b2, d2);
- tmp32_1 = tcg_temp_new_i32();
- tmp32_2 = tcg_const_i32(r3);
- tcg_gen_qemu_ld32u(tmp, tmp, get_mem_index(s));
- store_reg32_i64(r1, tmp);
- tcg_gen_trunc_i64_i32(tmp32_1, tmp);
- set_cc_icm(s, tmp32_2, tmp32_1);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i32(tmp32_2);
- } else if (r3) {
- uint32_t mask = 0x00ffffffUL;
- uint32_t shift = 24;
- int m3 = r3;
- tmp = get_address(s, 0, b2, d2);
- tmp2 = tcg_temp_new_i64();
- tmp32_1 = load_reg32(r1);
- tmp32_2 = tcg_temp_new_i32();
- tmp32_3 = tcg_const_i32(r3);
- tmp32_4 = tcg_const_i32(0);
- while (m3) {
- if (m3 & 8) {
- tcg_gen_qemu_ld8u(tmp2, tmp, get_mem_index(s));
- tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
- if (shift) {
- tcg_gen_shli_i32(tmp32_2, tmp32_2, shift);
- }
- tcg_gen_andi_i32(tmp32_1, tmp32_1, mask);
- tcg_gen_or_i32(tmp32_1, tmp32_1, tmp32_2);
- tcg_gen_or_i32(tmp32_4, tmp32_4, tmp32_2);
- tcg_gen_addi_i64(tmp, tmp, 1);
- }
- m3 = (m3 << 1) & 0xf;
- mask = (mask >> 8) | 0xff000000UL;
- shift -= 8;
- }
- store_reg32(r1, tmp32_1);
- set_cc_icm(s, tmp32_3, tmp32_4);
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- tcg_temp_free_i32(tmp32_1);
- tcg_temp_free_i32(tmp32_2);
- tcg_temp_free_i32(tmp32_3);
- tcg_temp_free_i32(tmp32_4);
- } else {
- /* i.e. env->cc = 0 */
- gen_op_movi_cc(s, 0);
- }
- break;
- case 0xd2: /* MVC D1(L,B1),D2(B2) [SS] */
- 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 0xd2:
- gen_op_mvc(s, (insn >> 32) & 0xff, tmp, tmp2);
- break;
- 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] */
d1 = (insn >> 16) & 0xfff;
b2 = (insn >> 12) & 0xf;
d2 = insn & 0xfff;
- tmp = load_reg(r1);
/* XXX key in r3 */
- tmp2 = get_address(s, 0, b1, d1);
- tmp3 = get_address(s, 0, b2, d2);
+ tmp = get_address(s, 0, b1, d1);
+ tmp2 = get_address(s, 0, b2, d2);
if (opc == 0xda) {
- gen_helper_mvcp(cc_op, cpu_env, tmp, tmp2, tmp3);
+ gen_helper_mvcp(cc_op, cpu_env, regs[r1], tmp, tmp2);
} else {
- gen_helper_mvcs(cc_op, cpu_env, tmp, tmp2, tmp3);
+ 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);
- tcg_temp_free_i64(tmp3);
break;
#endif
case 0xe3:
/* ====================================================================== */
/* 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 help_branch(s, &c, is_imm, imm, o->in2);
}
-static ExitStatus op_divs32(DisasContext *s, DisasOps *o)
+static ExitStatus op_clc(DisasContext *s, DisasOps *o)
{
- gen_helper_divs32(o->out2, cpu_env, o->in1, o->in2);
- return_low128(o->out);
+ 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 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 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 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;
+ default:
+ potential_page_fault(s);
+ 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);
+ return NO_EXIT;
+ }
+ gen_op_update2_cc_i64(s, CC_OP_LTUGTU_64, cc_src, cc_dst);
return NO_EXIT;
}
-static ExitStatus op_divu32(DisasContext *s, DisasOps *o)
+static ExitStatus op_clcle(DisasContext *s, DisasOps *o)
{
- gen_helper_divu32(o->out2, cpu_env, 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));
+ 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;
+}
+
+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;
+}
+
+#ifndef CONFIG_USER_ONLY
+static ExitStatus op_diag(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 tmp;
+
+ check_privileged(s);
+ 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);
+ return NO_EXIT;
+}
+#endif
+
+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;
+}
+
+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;
}
return NO_EXIT;
}
+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.
+
+ 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);
+
+ set_cc_static(s);
+ return NO_EXIT;
+}
+
+static ExitStatus op_icm(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);
+ return NO_EXIT;
+}
+
static ExitStatus op_insi(DisasContext *s, DisasOps *o)
{
int shift = s->insn->data & 0xff;
return NO_EXIT;
}
+#ifndef CONFIG_USER_ONLY
+static ExitStatus op_lpsw(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;
+}
+#endif
+
+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;
+ }
+ tcg_gen_add_i64(o->in2, o->in2, t4);
+ r1 = (r1 + 1) & 15;
+ }
+
+ 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;
+ }
+
+ tcg_temp_free_i64(t);
+ tcg_temp_free_i64(t4);
+ return NO_EXIT;
+}
+
+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);
+
+ 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;
+ }
+
+ tcg_temp_free_i64(t8);
+ return NO_EXIT;
+}
+
static ExitStatus op_mov2(DisasContext *s, DisasOps *o)
{
o->out = o->in2;
return NO_EXIT;
}
+static ExitStatus op_movx(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;
+ return NO_EXIT;
+}
+
+static ExitStatus op_mvc(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);
+ return NO_EXIT;
+}
+
+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;
+}
+
+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_mul(DisasContext *s, DisasOps *o)
{
tcg_gen_mul_i64(o->out, o->in1, o->in2);
return NO_EXIT;
}
+static ExitStatus op_nc(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 l = tcg_const_i32(get_field(s->fields, l1));
+ potential_page_fault(s);
+ gen_helper_nc(cc_op, cpu_env, l, o->addr1, o->in2);
+ tcg_temp_free_i32(l);
+ set_cc_static(s);
+ return NO_EXIT;
+}
+
static ExitStatus op_neg(DisasContext *s, DisasOps *o)
{
tcg_gen_neg_i64(o->out, o->in2);
return NO_EXIT;
}
+static ExitStatus op_oc(DisasContext *s, DisasOps *o)
+{
+ 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_or(DisasContext *s, DisasOps *o)
{
tcg_gen_or_i64(o->out, o->in1, o->in2);
return NO_EXIT;
}
+static ExitStatus op_rll32(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);
+ return NO_EXIT;
+}
+
+static ExitStatus op_rll64(DisasContext *s, DisasOps *o)
+{
+ tcg_gen_rotl_i64(o->out, o->in1, o->in2);
+ return NO_EXIT;
+}
+
+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_sll(DisasContext *s, DisasOps *o)
+{
+ tcg_gen_shl_i64(o->out, o->in1, o->in2);
+ return NO_EXIT;
+}
+
+static ExitStatus op_sra(DisasContext *s, DisasOps *o)
+{
+ tcg_gen_sar_i64(o->out, o->in1, o->in2);
+ return NO_EXIT;
+}
+
+static ExitStatus op_srl(DisasContext *s, DisasOps *o)
+{
+ tcg_gen_shr_i64(o->out, o->in1, o->in2);
+ return NO_EXIT;
+}
+
+#ifndef CONFIG_USER_ONLY
+static ExitStatus op_ssm(DisasContext *s, DisasOps *o)
+{
+ check_privileged(s);
+ tcg_gen_deposit_i64(psw_mask, psw_mask, o->in2, 56, 8);
+ return NO_EXIT;
+}
+
+static ExitStatus op_stnosm(DisasContext *s, DisasOps *o)
+{
+ uint64_t i2 = get_field(s->fields, i2);
+ TCGv_i64 t;
+
+ check_privileged(s);
+
+ /* It is important to do what the instruction name says: STORE THEN.
+ If we let the output hook perform the store then if we fault and
+ restart, we'll have the wrong SYSTEM MASK in place. */
+ t = tcg_temp_new_i64();
+ tcg_gen_shri_i64(t, psw_mask, 56);
+ tcg_gen_qemu_st8(t, o->addr1, get_mem_index(s));
+ tcg_temp_free_i64(t);
+
+ if (s->fields->op == 0xac) {
+ tcg_gen_andi_i64(psw_mask, psw_mask,
+ (i2 << 56) | 0x00ffffffffffffffull);
+ } else {
+ tcg_gen_ori_i64(psw_mask, psw_mask, i2 << 56);
+ }
+ return NO_EXIT;
+}
+#endif
+
static ExitStatus op_st8(DisasContext *s, DisasOps *o)
{
tcg_gen_qemu_st8(o->in1, o->in2, get_mem_index(s));
return NO_EXIT;
}
+static ExitStatus op_stam(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_stam(cpu_env, r1, o->in2, r3);
+ tcg_temp_free_i32(r1);
+ tcg_temp_free_i32(r3);
+ return NO_EXIT;
+}
+
+static ExitStatus op_stm(DisasContext *s, DisasOps *o)
+{
+ int r1 = get_field(s->fields, r1);
+ int r3 = get_field(s->fields, r3);
+ int size = s->insn->data;
+ TCGv_i64 tsize = tcg_const_i64(size);
+
+ while (1) {
+ if (size == 8) {
+ tcg_gen_qemu_st64(regs[r1], o->in2, get_mem_index(s));
+ } else {
+ tcg_gen_qemu_st32(regs[r1], o->in2, get_mem_index(s));
+ }
+ if (r1 == r3) {
+ break;
+ }
+ tcg_gen_add_i64(o->in2, o->in2, tsize);
+ r1 = (r1 + 1) & 15;
+ }
+
+ tcg_temp_free_i64(tsize);
+ return NO_EXIT;
+}
+
+static ExitStatus op_stmh(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);
+ TCGv_i64 t32 = tcg_const_i64(32);
+
+ while (1) {
+ tcg_gen_shl_i64(t, regs[r1], t32);
+ tcg_gen_qemu_st32(t, o->in2, get_mem_index(s));
+ if (r1 == r3) {
+ break;
+ }
+ tcg_gen_add_i64(o->in2, o->in2, t4);
+ r1 = (r1 + 1) & 15;
+ }
+
+ tcg_temp_free_i64(t);
+ tcg_temp_free_i64(t4);
+ tcg_temp_free_i64(t32);
+ return NO_EXIT;
+}
+
static ExitStatus op_sub(DisasContext *s, DisasOps *o)
{
tcg_gen_sub_i64(o->out, o->in1, o->in2);
return NO_EXIT;
}
+static ExitStatus op_svc(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 t;
+
+ update_psw_addr(s);
+ gen_op_calc_cc(s);
+
+ t = tcg_const_i32(get_field(s->fields, i1) & 0xff);
+ tcg_gen_st_i32(t, cpu_env, offsetof(CPUS390XState, int_svc_code));
+ tcg_temp_free_i32(t);
+
+ t = tcg_const_i32(s->next_pc - s->pc);
+ tcg_gen_st_i32(t, cpu_env, offsetof(CPUS390XState, int_svc_ilen));
+ tcg_temp_free_i32(t);
+
+ gen_exception(EXCP_SVC);
+ return EXIT_NORETURN;
+}
+
+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);
store_reg(get_field(f, r1), o->out);
}
+static void wout_r1_8(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ int r1 = get_field(f, r1);
+ tcg_gen_deposit_i64(regs[r1], regs[r1], o->out, 0, 8);
+}
+
static void wout_r1_32(DisasContext *s, DisasFields *f, DisasOps *o)
{
store_reg32_i64(get_field(f, r1), o->out);
store_reg32_i64(r1, o->out);
}
+static void wout_e1(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ store_freg32_i64(get_field(f, r1), o->out);
+}
+
+static void wout_f1(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ store_freg(get_field(f, r1), o->out);
+}
+
+static void wout_x1(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ int f1 = get_field(s->fields, r1);
+ store_freg(f1, o->out);
+ store_freg((f1 + 2) & 15, o->out2);
+}
+
static void wout_cond_r1r2_32(DisasContext *s, DisasFields *f, DisasOps *o)
{
if (get_field(f, r1) != get_field(f, r2)) {
}
}
+static void wout_cond_e1e2(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ if (get_field(f, r1) != get_field(f, r2)) {
+ store_freg32_i64(get_field(f, r1), o->out);
+ }
+}
+
+static void wout_m1_8(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ tcg_gen_qemu_st8(o->out, o->addr1, get_mem_index(s));
+}
+
+static void wout_m1_16(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ tcg_gen_qemu_st16(o->out, o->addr1, get_mem_index(s));
+}
+
static void wout_m1_32(DisasContext *s, DisasFields *f, DisasOps *o)
{
tcg_gen_qemu_st32(o->out, o->addr1, get_mem_index(s));
o->g_in1 = true;
}
+static void in1_r1_32s(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ o->in1 = tcg_temp_new_i64();
+ tcg_gen_ext32s_i64(o->in1, regs[get_field(f, r1)]);
+}
+
+static void in1_r1_32u(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ o->in1 = tcg_temp_new_i64();
+ tcg_gen_ext32u_i64(o->in1, regs[get_field(f, r1)]);
+}
+
static void in1_r1p1(DisasContext *s, DisasFields *f, DisasOps *o)
{
/* ??? Specification exception: r1 must be even. */
o->in1 = load_reg(get_field(f, r3));
}
+static void in1_r3_o(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ o->in1 = regs[get_field(f, r3)];
+ o->g_in1 = true;
+}
+
+static void in1_r3_32s(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ o->in1 = tcg_temp_new_i64();
+ tcg_gen_ext32s_i64(o->in1, regs[get_field(f, r3)]);
+}
+
+static void in1_r3_32u(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ o->in1 = tcg_temp_new_i64();
+ tcg_gen_ext32u_i64(o->in1, regs[get_field(f, r3)]);
+}
+
+static void in1_e1(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ o->in1 = load_freg32_i64(get_field(f, r1));
+}
+
+static void in1_f1_o(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ o->in1 = fregs[get_field(f, r1)];
+ o->g_in1 = 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));
tcg_gen_ext32u_i64(o->in2, regs[get_field(f, r2)]);
}
+static void in2_e2(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ o->in2 = load_freg32_i64(get_field(f, r2));
+}
+
+static void in2_f2_o(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ o->in2 = fregs[get_field(f, r2)];
+ o->g_in2 = true;
+}
+
+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];
+ o->g_in1 = o->g_in2 = true;
+}
+
static void in2_a2(DisasContext *s, DisasFields *f, DisasOps *o)
{
int x2 = have_field(f, x2) ? get_field(f, x2) : 0;
o->in2 = tcg_const_i64(s->pc + (int64_t)get_field(f, i2) * 2);
}
+static void in2_sh32(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ help_l2_shift(s, f, o, 31);
+}
+
+static void in2_sh64(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ help_l2_shift(s, f, o, 63);
+}
+
+static void in2_m2_8u(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+ in2_a2(s, f, o);
+ tcg_gen_qemu_ld8u(o->in2, o->in2, get_mem_index(s));
+}
+
static void in2_m2_16s(DisasContext *s, DisasFields *f, DisasOps *o)
{
in2_a2(s, f, o);
projects / qemu.git / blobdiff