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/*
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* S/390 translation
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*
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* Copyright (c) 2009 Ulrich Hecht
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* Copyright (c) 2010 Alexander Graf
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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/* #define DEBUG_INLINE_BRANCHES */
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#define S390X_DEBUG_DISAS
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/* #define S390X_DEBUG_DISAS_VERBOSE */
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#ifdef S390X_DEBUG_DISAS_VERBOSE
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# define LOG_DISAS(...) qemu_log(__VA_ARGS__)
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#else
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# define LOG_DISAS(...) do { } while (0) |
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#endif
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#include "cpu.h" |
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#include "disas/disas.h" |
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#include "tcg-op.h" |
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#include "qemu/log.h" |
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#include "qemu/host-utils.h" |
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/* global register indexes */
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static TCGv_ptr cpu_env;
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#include "exec/gen-icount.h" |
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#include "helper.h" |
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#define GEN_HELPER 1 |
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#include "helper.h" |
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/* Information that (most) every instruction needs to manipulate. */
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typedef struct DisasContext DisasContext; |
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typedef struct DisasInsn DisasInsn; |
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typedef struct DisasFields DisasFields; |
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struct DisasContext {
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struct TranslationBlock *tb;
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const DisasInsn *insn;
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DisasFields *fields; |
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uint64_t pc, next_pc; |
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enum cc_op cc_op;
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bool singlestep_enabled;
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int is_jmp;
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}; |
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/* Information carried about a condition to be evaluated. */
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typedef struct { |
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TCGCond cond:8;
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bool is_64;
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bool g1;
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bool g2;
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union {
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struct { TCGv_i64 a, b; } s64;
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struct { TCGv_i32 a, b; } s32;
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} u; |
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} DisasCompare; |
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#define DISAS_EXCP 4 |
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static void gen_op_calc_cc(DisasContext *s); |
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#ifdef DEBUG_INLINE_BRANCHES
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static uint64_t inline_branch_hit[CC_OP_MAX];
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static uint64_t inline_branch_miss[CC_OP_MAX];
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#endif
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static inline void debug_insn(uint64_t insn) |
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{ |
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LOG_DISAS("insn: 0x%" PRIx64 "\n", insn); |
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} |
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static inline uint64_t pc_to_link_info(DisasContext *s, uint64_t pc) |
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{ |
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if (!(s->tb->flags & FLAG_MASK_64)) {
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if (s->tb->flags & FLAG_MASK_32) {
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return pc | 0x80000000; |
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} |
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} |
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return pc;
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} |
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void cpu_dump_state(CPUS390XState *env, FILE *f, fprintf_function cpu_fprintf,
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int flags)
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{ |
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int i;
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if (env->cc_op > 3) { |
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cpu_fprintf(f, "PSW=mask %016" PRIx64 " addr %016" PRIx64 " cc %15s\n", |
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env->psw.mask, env->psw.addr, cc_name(env->cc_op)); |
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} else {
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cpu_fprintf(f, "PSW=mask %016" PRIx64 " addr %016" PRIx64 " cc %02x\n", |
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env->psw.mask, env->psw.addr, env->cc_op); |
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} |
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for (i = 0; i < 16; i++) { |
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cpu_fprintf(f, "R%02d=%016" PRIx64, i, env->regs[i]);
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if ((i % 4) == 3) { |
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cpu_fprintf(f, "\n");
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} else {
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cpu_fprintf(f, " ");
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} |
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} |
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for (i = 0; i < 16; i++) { |
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cpu_fprintf(f, "F%02d=%016" PRIx64, i, env->fregs[i].ll);
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if ((i % 4) == 3) { |
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cpu_fprintf(f, "\n");
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} else {
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cpu_fprintf(f, " ");
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} |
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} |
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#ifndef CONFIG_USER_ONLY
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for (i = 0; i < 16; i++) { |
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cpu_fprintf(f, "C%02d=%016" PRIx64, i, env->cregs[i]);
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if ((i % 4) == 3) { |
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cpu_fprintf(f, "\n");
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} else {
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cpu_fprintf(f, " ");
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} |
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} |
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#endif
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#ifdef DEBUG_INLINE_BRANCHES
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for (i = 0; i < CC_OP_MAX; i++) { |
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cpu_fprintf(f, " %15s = %10ld\t%10ld\n", cc_name(i),
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inline_branch_miss[i], inline_branch_hit[i]); |
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} |
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#endif
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cpu_fprintf(f, "\n");
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} |
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static TCGv_i64 psw_addr;
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static TCGv_i64 psw_mask;
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static TCGv_i32 cc_op;
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static TCGv_i64 cc_src;
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static TCGv_i64 cc_dst;
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static TCGv_i64 cc_vr;
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static char cpu_reg_names[32][4]; |
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static TCGv_i64 regs[16]; |
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static TCGv_i64 fregs[16]; |
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static uint8_t gen_opc_cc_op[OPC_BUF_SIZE];
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void s390x_translate_init(void) |
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{ |
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int i;
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cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
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psw_addr = tcg_global_mem_new_i64(TCG_AREG0, |
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offsetof(CPUS390XState, psw.addr), |
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"psw_addr");
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psw_mask = tcg_global_mem_new_i64(TCG_AREG0, |
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offsetof(CPUS390XState, psw.mask), |
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"psw_mask");
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cc_op = tcg_global_mem_new_i32(TCG_AREG0, offsetof(CPUS390XState, cc_op), |
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"cc_op");
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cc_src = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUS390XState, cc_src), |
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"cc_src");
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cc_dst = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUS390XState, cc_dst), |
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"cc_dst");
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cc_vr = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUS390XState, cc_vr), |
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"cc_vr");
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for (i = 0; i < 16; i++) { |
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snprintf(cpu_reg_names[i], sizeof(cpu_reg_names[0]), "r%d", i); |
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regs[i] = tcg_global_mem_new(TCG_AREG0, |
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offsetof(CPUS390XState, regs[i]), |
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cpu_reg_names[i]); |
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} |
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for (i = 0; i < 16; i++) { |
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snprintf(cpu_reg_names[i + 16], sizeof(cpu_reg_names[0]), "f%d", i); |
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fregs[i] = tcg_global_mem_new(TCG_AREG0, |
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offsetof(CPUS390XState, fregs[i].d), |
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cpu_reg_names[i + 16]);
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} |
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/* register helpers */
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#define GEN_HELPER 2 |
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#include "helper.h" |
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} |
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static inline TCGv_i64 load_reg(int reg) |
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{ |
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TCGv_i64 r = tcg_temp_new_i64(); |
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tcg_gen_mov_i64(r, regs[reg]); |
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return r;
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} |
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static inline TCGv_i64 load_freg(int reg) |
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{ |
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TCGv_i64 r = tcg_temp_new_i64(); |
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tcg_gen_mov_i64(r, fregs[reg]); |
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return r;
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} |
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static inline TCGv_i32 load_freg32(int reg) |
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{ |
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TCGv_i32 r = tcg_temp_new_i32(); |
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#if HOST_LONG_BITS == 32 |
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tcg_gen_mov_i32(r, TCGV_HIGH(fregs[reg])); |
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#else
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tcg_gen_shri_i64(MAKE_TCGV_I64(GET_TCGV_I32(r)), fregs[reg], 32);
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#endif
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return r;
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} |
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static inline TCGv_i64 load_freg32_i64(int reg) |
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{ |
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TCGv_i64 r = tcg_temp_new_i64(); |
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tcg_gen_shri_i64(r, fregs[reg], 32);
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return r;
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} |
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static inline TCGv_i32 load_reg32(int reg) |
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{ |
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TCGv_i32 r = tcg_temp_new_i32(); |
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tcg_gen_trunc_i64_i32(r, regs[reg]); |
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return r;
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} |
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static inline TCGv_i64 load_reg32_i64(int reg) |
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{ |
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TCGv_i64 r = tcg_temp_new_i64(); |
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tcg_gen_ext32s_i64(r, regs[reg]); |
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return r;
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} |
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static inline void store_reg(int reg, TCGv_i64 v) |
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{ |
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tcg_gen_mov_i64(regs[reg], v); |
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} |
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static inline void store_freg(int reg, TCGv_i64 v) |
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{ |
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tcg_gen_mov_i64(fregs[reg], v); |
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} |
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static inline void store_reg32(int reg, TCGv_i32 v) |
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{ |
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/* 32 bit register writes keep the upper half */
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#if HOST_LONG_BITS == 32 |
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tcg_gen_mov_i32(TCGV_LOW(regs[reg]), v); |
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#else
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tcg_gen_deposit_i64(regs[reg], regs[reg], |
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MAKE_TCGV_I64(GET_TCGV_I32(v)), 0, 32); |
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#endif
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} |
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static inline void store_reg32_i64(int reg, TCGv_i64 v) |
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{ |
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/* 32 bit register writes keep the upper half */
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tcg_gen_deposit_i64(regs[reg], regs[reg], v, 0, 32); |
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} |
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static inline void store_reg32h_i64(int reg, TCGv_i64 v) |
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{ |
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tcg_gen_deposit_i64(regs[reg], regs[reg], v, 32, 32); |
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} |
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static inline void store_freg32(int reg, TCGv_i32 v) |
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{ |
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/* 32 bit register writes keep the lower half */
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#if HOST_LONG_BITS == 32 |
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tcg_gen_mov_i32(TCGV_HIGH(fregs[reg]), v); |
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#else
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tcg_gen_deposit_i64(fregs[reg], fregs[reg], |
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MAKE_TCGV_I64(GET_TCGV_I32(v)), 32, 32); |
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#endif
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} |
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static inline void store_freg32_i64(int reg, TCGv_i64 v) |
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{ |
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tcg_gen_deposit_i64(fregs[reg], fregs[reg], v, 32, 32); |
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} |
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static inline void return_low128(TCGv_i64 dest) |
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{ |
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tcg_gen_ld_i64(dest, cpu_env, offsetof(CPUS390XState, retxl)); |
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} |
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static inline void update_psw_addr(DisasContext *s) |
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{ |
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/* psw.addr */
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tcg_gen_movi_i64(psw_addr, s->pc); |
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} |
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static inline void potential_page_fault(DisasContext *s) |
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{ |
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#ifndef CONFIG_USER_ONLY
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update_psw_addr(s); |
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gen_op_calc_cc(s); |
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#endif
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} |
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static inline uint64_t ld_code2(CPUS390XState *env, uint64_t pc) |
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{ |
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return (uint64_t)cpu_lduw_code(env, pc);
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} |
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static inline uint64_t ld_code4(CPUS390XState *env, uint64_t pc) |
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{ |
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return (uint64_t)(uint32_t)cpu_ldl_code(env, pc);
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} |
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static inline uint64_t ld_code6(CPUS390XState *env, uint64_t pc) |
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{ |
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return (ld_code2(env, pc) << 32) | ld_code4(env, pc + 2); |
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} |
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static inline int get_mem_index(DisasContext *s) |
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{ |
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switch (s->tb->flags & FLAG_MASK_ASC) {
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case PSW_ASC_PRIMARY >> 32: |
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return 0; |
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case PSW_ASC_SECONDARY >> 32: |
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return 1; |
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case PSW_ASC_HOME >> 32: |
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return 2; |
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default:
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tcg_abort(); |
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break;
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} |
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} |
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static void gen_exception(int excp) |
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{ |
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TCGv_i32 tmp = tcg_const_i32(excp); |
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gen_helper_exception(cpu_env, tmp); |
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tcg_temp_free_i32(tmp); |
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} |
352 |
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static void gen_program_exception(DisasContext *s, int code) |
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{ |
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TCGv_i32 tmp; |
356 |
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/* Remember what pgm exeption this was. */
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tmp = tcg_const_i32(code); |
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tcg_gen_st_i32(tmp, cpu_env, offsetof(CPUS390XState, int_pgm_code)); |
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tcg_temp_free_i32(tmp); |
361 |
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tmp = tcg_const_i32(s->next_pc - s->pc); |
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tcg_gen_st_i32(tmp, cpu_env, offsetof(CPUS390XState, int_pgm_ilen)); |
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tcg_temp_free_i32(tmp); |
365 |
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/* Advance past instruction. */
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s->pc = s->next_pc; |
368 |
update_psw_addr(s); |
369 |
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/* Save off cc. */
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gen_op_calc_cc(s); |
372 |
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/* Trigger exception. */
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gen_exception(EXCP_PGM); |
375 |
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/* End TB here. */
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s->is_jmp = DISAS_EXCP; |
378 |
} |
379 |
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380 |
static inline void gen_illegal_opcode(DisasContext *s) |
381 |
{ |
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gen_program_exception(s, PGM_SPECIFICATION); |
383 |
} |
384 |
|
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static inline void check_privileged(DisasContext *s) |
386 |
{ |
387 |
if (s->tb->flags & (PSW_MASK_PSTATE >> 32)) { |
388 |
gen_program_exception(s, PGM_PRIVILEGED); |
389 |
} |
390 |
} |
391 |
|
392 |
static TCGv_i64 get_address(DisasContext *s, int x2, int b2, int d2) |
393 |
{ |
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TCGv_i64 tmp; |
395 |
|
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/* 31-bitify the immediate part; register contents are dealt with below */
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if (!(s->tb->flags & FLAG_MASK_64)) {
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d2 &= 0x7fffffffUL;
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} |
400 |
|
401 |
if (x2) {
|
402 |
if (d2) {
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403 |
tmp = tcg_const_i64(d2); |
404 |
tcg_gen_add_i64(tmp, tmp, regs[x2]); |
405 |
} else {
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406 |
tmp = load_reg(x2); |
407 |
} |
408 |
if (b2) {
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409 |
tcg_gen_add_i64(tmp, tmp, regs[b2]); |
410 |
} |
411 |
} else if (b2) { |
412 |
if (d2) {
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tmp = tcg_const_i64(d2); |
414 |
tcg_gen_add_i64(tmp, tmp, regs[b2]); |
415 |
} else {
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tmp = load_reg(b2); |
417 |
} |
418 |
} else {
|
419 |
tmp = tcg_const_i64(d2); |
420 |
} |
421 |
|
422 |
/* 31-bit mode mask if there are values loaded from registers */
|
423 |
if (!(s->tb->flags & FLAG_MASK_64) && (x2 || b2)) {
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424 |
tcg_gen_andi_i64(tmp, tmp, 0x7fffffffUL);
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425 |
} |
426 |
|
427 |
return tmp;
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428 |
} |
429 |
|
430 |
static void gen_op_movi_cc(DisasContext *s, uint32_t val) |
431 |
{ |
432 |
s->cc_op = CC_OP_CONST0 + val; |
433 |
} |
434 |
|
435 |
static void gen_op_update1_cc_i64(DisasContext *s, enum cc_op op, TCGv_i64 dst) |
436 |
{ |
437 |
tcg_gen_discard_i64(cc_src); |
438 |
tcg_gen_mov_i64(cc_dst, dst); |
439 |
tcg_gen_discard_i64(cc_vr); |
440 |
s->cc_op = op; |
441 |
} |
442 |
|
443 |
static void gen_op_update1_cc_i32(DisasContext *s, enum cc_op op, TCGv_i32 dst) |
444 |
{ |
445 |
tcg_gen_discard_i64(cc_src); |
446 |
tcg_gen_extu_i32_i64(cc_dst, dst); |
447 |
tcg_gen_discard_i64(cc_vr); |
448 |
s->cc_op = op; |
449 |
} |
450 |
|
451 |
static void gen_op_update2_cc_i64(DisasContext *s, enum cc_op op, TCGv_i64 src, |
452 |
TCGv_i64 dst) |
453 |
{ |
454 |
tcg_gen_mov_i64(cc_src, src); |
455 |
tcg_gen_mov_i64(cc_dst, dst); |
456 |
tcg_gen_discard_i64(cc_vr); |
457 |
s->cc_op = op; |
458 |
} |
459 |
|
460 |
static void gen_op_update2_cc_i32(DisasContext *s, enum cc_op op, TCGv_i32 src, |
461 |
TCGv_i32 dst) |
462 |
{ |
463 |
tcg_gen_extu_i32_i64(cc_src, src); |
464 |
tcg_gen_extu_i32_i64(cc_dst, dst); |
465 |
tcg_gen_discard_i64(cc_vr); |
466 |
s->cc_op = op; |
467 |
} |
468 |
|
469 |
static void gen_op_update3_cc_i64(DisasContext *s, enum cc_op op, TCGv_i64 src, |
470 |
TCGv_i64 dst, TCGv_i64 vr) |
471 |
{ |
472 |
tcg_gen_mov_i64(cc_src, src); |
473 |
tcg_gen_mov_i64(cc_dst, dst); |
474 |
tcg_gen_mov_i64(cc_vr, vr); |
475 |
s->cc_op = op; |
476 |
} |
477 |
|
478 |
static inline void set_cc_nz_u32(DisasContext *s, TCGv_i32 val) |
479 |
{ |
480 |
gen_op_update1_cc_i32(s, CC_OP_NZ, val); |
481 |
} |
482 |
|
483 |
static inline void set_cc_nz_u64(DisasContext *s, TCGv_i64 val) |
484 |
{ |
485 |
gen_op_update1_cc_i64(s, CC_OP_NZ, val); |
486 |
} |
487 |
|
488 |
static inline void gen_set_cc_nz_f32(DisasContext *s, TCGv_i64 val) |
489 |
{ |
490 |
gen_op_update1_cc_i64(s, CC_OP_NZ_F32, val); |
491 |
} |
492 |
|
493 |
static inline void gen_set_cc_nz_f64(DisasContext *s, TCGv_i64 val) |
494 |
{ |
495 |
gen_op_update1_cc_i64(s, CC_OP_NZ_F64, val); |
496 |
} |
497 |
|
498 |
static inline void gen_set_cc_nz_f128(DisasContext *s, TCGv_i64 vh, TCGv_i64 vl) |
499 |
{ |
500 |
gen_op_update2_cc_i64(s, CC_OP_NZ_F128, vh, vl); |
501 |
} |
502 |
|
503 |
static inline void cmp_32(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2, |
504 |
enum cc_op cond)
|
505 |
{ |
506 |
gen_op_update2_cc_i32(s, cond, v1, v2); |
507 |
} |
508 |
|
509 |
static inline void cmp_64(DisasContext *s, TCGv_i64 v1, TCGv_i64 v2, |
510 |
enum cc_op cond)
|
511 |
{ |
512 |
gen_op_update2_cc_i64(s, cond, v1, v2); |
513 |
} |
514 |
|
515 |
static inline void cmp_s32(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2) |
516 |
{ |
517 |
cmp_32(s, v1, v2, CC_OP_LTGT_32); |
518 |
} |
519 |
|
520 |
static inline void cmp_u32(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2) |
521 |
{ |
522 |
cmp_32(s, v1, v2, CC_OP_LTUGTU_32); |
523 |
} |
524 |
|
525 |
static inline void cmp_s32c(DisasContext *s, TCGv_i32 v1, int32_t v2) |
526 |
{ |
527 |
/* XXX optimize for the constant? put it in s? */
|
528 |
TCGv_i32 tmp = tcg_const_i32(v2); |
529 |
cmp_32(s, v1, tmp, CC_OP_LTGT_32); |
530 |
tcg_temp_free_i32(tmp); |
531 |
} |
532 |
|
533 |
static inline void cmp_u32c(DisasContext *s, TCGv_i32 v1, uint32_t v2) |
534 |
{ |
535 |
TCGv_i32 tmp = tcg_const_i32(v2); |
536 |
cmp_32(s, v1, tmp, CC_OP_LTUGTU_32); |
537 |
tcg_temp_free_i32(tmp); |
538 |
} |
539 |
|
540 |
static inline void cmp_s64(DisasContext *s, TCGv_i64 v1, TCGv_i64 v2) |
541 |
{ |
542 |
cmp_64(s, v1, v2, CC_OP_LTGT_64); |
543 |
} |
544 |
|
545 |
static inline void cmp_u64(DisasContext *s, TCGv_i64 v1, TCGv_i64 v2) |
546 |
{ |
547 |
cmp_64(s, v1, v2, CC_OP_LTUGTU_64); |
548 |
} |
549 |
|
550 |
static inline void cmp_s64c(DisasContext *s, TCGv_i64 v1, int64_t v2) |
551 |
{ |
552 |
TCGv_i64 tmp = tcg_const_i64(v2); |
553 |
cmp_s64(s, v1, tmp); |
554 |
tcg_temp_free_i64(tmp); |
555 |
} |
556 |
|
557 |
static inline void cmp_u64c(DisasContext *s, TCGv_i64 v1, uint64_t v2) |
558 |
{ |
559 |
TCGv_i64 tmp = tcg_const_i64(v2); |
560 |
cmp_u64(s, v1, tmp); |
561 |
tcg_temp_free_i64(tmp); |
562 |
} |
563 |
|
564 |
static inline void set_cc_s32(DisasContext *s, TCGv_i32 val) |
565 |
{ |
566 |
gen_op_update1_cc_i32(s, CC_OP_LTGT0_32, val); |
567 |
} |
568 |
|
569 |
static inline void set_cc_s64(DisasContext *s, TCGv_i64 val) |
570 |
{ |
571 |
gen_op_update1_cc_i64(s, CC_OP_LTGT0_64, val); |
572 |
} |
573 |
|
574 |
/* CC value is in env->cc_op */
|
575 |
static inline void set_cc_static(DisasContext *s) |
576 |
{ |
577 |
tcg_gen_discard_i64(cc_src); |
578 |
tcg_gen_discard_i64(cc_dst); |
579 |
tcg_gen_discard_i64(cc_vr); |
580 |
s->cc_op = CC_OP_STATIC; |
581 |
} |
582 |
|
583 |
static inline void gen_op_set_cc_op(DisasContext *s) |
584 |
{ |
585 |
if (s->cc_op != CC_OP_DYNAMIC && s->cc_op != CC_OP_STATIC) {
|
586 |
tcg_gen_movi_i32(cc_op, s->cc_op); |
587 |
} |
588 |
} |
589 |
|
590 |
static inline void gen_update_cc_op(DisasContext *s) |
591 |
{ |
592 |
gen_op_set_cc_op(s); |
593 |
} |
594 |
|
595 |
/* calculates cc into cc_op */
|
596 |
static void gen_op_calc_cc(DisasContext *s) |
597 |
{ |
598 |
TCGv_i32 local_cc_op = tcg_const_i32(s->cc_op); |
599 |
TCGv_i64 dummy = tcg_const_i64(0);
|
600 |
|
601 |
switch (s->cc_op) {
|
602 |
case CC_OP_CONST0:
|
603 |
case CC_OP_CONST1:
|
604 |
case CC_OP_CONST2:
|
605 |
case CC_OP_CONST3:
|
606 |
/* s->cc_op is the cc value */
|
607 |
tcg_gen_movi_i32(cc_op, s->cc_op - CC_OP_CONST0); |
608 |
break;
|
609 |
case CC_OP_STATIC:
|
610 |
/* env->cc_op already is the cc value */
|
611 |
break;
|
612 |
case CC_OP_NZ:
|
613 |
case CC_OP_ABS_64:
|
614 |
case CC_OP_NABS_64:
|
615 |
case CC_OP_ABS_32:
|
616 |
case CC_OP_NABS_32:
|
617 |
case CC_OP_LTGT0_32:
|
618 |
case CC_OP_LTGT0_64:
|
619 |
case CC_OP_COMP_32:
|
620 |
case CC_OP_COMP_64:
|
621 |
case CC_OP_NZ_F32:
|
622 |
case CC_OP_NZ_F64:
|
623 |
/* 1 argument */
|
624 |
gen_helper_calc_cc(cc_op, cpu_env, local_cc_op, dummy, cc_dst, dummy); |
625 |
break;
|
626 |
case CC_OP_ICM:
|
627 |
case CC_OP_LTGT_32:
|
628 |
case CC_OP_LTGT_64:
|
629 |
case CC_OP_LTUGTU_32:
|
630 |
case CC_OP_LTUGTU_64:
|
631 |
case CC_OP_TM_32:
|
632 |
case CC_OP_TM_64:
|
633 |
case CC_OP_SLA_32:
|
634 |
case CC_OP_SLA_64:
|
635 |
case CC_OP_NZ_F128:
|
636 |
/* 2 arguments */
|
637 |
gen_helper_calc_cc(cc_op, cpu_env, local_cc_op, cc_src, cc_dst, dummy); |
638 |
break;
|
639 |
case CC_OP_ADD_64:
|
640 |
case CC_OP_ADDU_64:
|
641 |
case CC_OP_ADDC_64:
|
642 |
case CC_OP_SUB_64:
|
643 |
case CC_OP_SUBU_64:
|
644 |
case CC_OP_SUBB_64:
|
645 |
case CC_OP_ADD_32:
|
646 |
case CC_OP_ADDU_32:
|
647 |
case CC_OP_ADDC_32:
|
648 |
case CC_OP_SUB_32:
|
649 |
case CC_OP_SUBU_32:
|
650 |
case CC_OP_SUBB_32:
|
651 |
/* 3 arguments */
|
652 |
gen_helper_calc_cc(cc_op, cpu_env, local_cc_op, cc_src, cc_dst, cc_vr); |
653 |
break;
|
654 |
case CC_OP_DYNAMIC:
|
655 |
/* unknown operation - assume 3 arguments and cc_op in env */
|
656 |
gen_helper_calc_cc(cc_op, cpu_env, cc_op, cc_src, cc_dst, cc_vr); |
657 |
break;
|
658 |
default:
|
659 |
tcg_abort(); |
660 |
} |
661 |
|
662 |
tcg_temp_free_i32(local_cc_op); |
663 |
tcg_temp_free_i64(dummy); |
664 |
|
665 |
/* We now have cc in cc_op as constant */
|
666 |
set_cc_static(s); |
667 |
} |
668 |
|
669 |
static inline void decode_rr(DisasContext *s, uint64_t insn, int *r1, int *r2) |
670 |
{ |
671 |
debug_insn(insn); |
672 |
|
673 |
*r1 = (insn >> 4) & 0xf; |
674 |
*r2 = insn & 0xf;
|
675 |
} |
676 |
|
677 |
static inline TCGv_i64 decode_rx(DisasContext *s, uint64_t insn, int *r1, |
678 |
int *x2, int *b2, int *d2) |
679 |
{ |
680 |
debug_insn(insn); |
681 |
|
682 |
*r1 = (insn >> 20) & 0xf; |
683 |
*x2 = (insn >> 16) & 0xf; |
684 |
*b2 = (insn >> 12) & 0xf; |
685 |
*d2 = insn & 0xfff;
|
686 |
|
687 |
return get_address(s, *x2, *b2, *d2);
|
688 |
} |
689 |
|
690 |
static inline void decode_rs(DisasContext *s, uint64_t insn, int *r1, int *r3, |
691 |
int *b2, int *d2) |
692 |
{ |
693 |
debug_insn(insn); |
694 |
|
695 |
*r1 = (insn >> 20) & 0xf; |
696 |
/* aka m3 */
|
697 |
*r3 = (insn >> 16) & 0xf; |
698 |
*b2 = (insn >> 12) & 0xf; |
699 |
*d2 = insn & 0xfff;
|
700 |
} |
701 |
|
702 |
static inline TCGv_i64 decode_si(DisasContext *s, uint64_t insn, int *i2, |
703 |
int *b1, int *d1) |
704 |
{ |
705 |
debug_insn(insn); |
706 |
|
707 |
*i2 = (insn >> 16) & 0xff; |
708 |
*b1 = (insn >> 12) & 0xf; |
709 |
*d1 = insn & 0xfff;
|
710 |
|
711 |
return get_address(s, 0, *b1, *d1); |
712 |
} |
713 |
|
714 |
static int use_goto_tb(DisasContext *s, uint64_t dest) |
715 |
{ |
716 |
/* NOTE: we handle the case where the TB spans two pages here */
|
717 |
return (((dest & TARGET_PAGE_MASK) == (s->tb->pc & TARGET_PAGE_MASK)
|
718 |
|| (dest & TARGET_PAGE_MASK) == ((s->pc - 1) & TARGET_PAGE_MASK))
|
719 |
&& !s->singlestep_enabled |
720 |
&& !(s->tb->cflags & CF_LAST_IO)); |
721 |
} |
722 |
|
723 |
static inline void gen_goto_tb(DisasContext *s, int tb_num, target_ulong pc) |
724 |
{ |
725 |
gen_update_cc_op(s); |
726 |
|
727 |
if (use_goto_tb(s, pc)) {
|
728 |
tcg_gen_goto_tb(tb_num); |
729 |
tcg_gen_movi_i64(psw_addr, pc); |
730 |
tcg_gen_exit_tb((tcg_target_long)s->tb + tb_num); |
731 |
} else {
|
732 |
/* jump to another page: currently not optimized */
|
733 |
tcg_gen_movi_i64(psw_addr, pc); |
734 |
tcg_gen_exit_tb(0);
|
735 |
} |
736 |
} |
737 |
|
738 |
static inline void account_noninline_branch(DisasContext *s, int cc_op) |
739 |
{ |
740 |
#ifdef DEBUG_INLINE_BRANCHES
|
741 |
inline_branch_miss[cc_op]++; |
742 |
#endif
|
743 |
} |
744 |
|
745 |
static inline void account_inline_branch(DisasContext *s, int cc_op) |
746 |
{ |
747 |
#ifdef DEBUG_INLINE_BRANCHES
|
748 |
inline_branch_hit[cc_op]++; |
749 |
#endif
|
750 |
} |
751 |
|
752 |
/* Table of mask values to comparison codes, given a comparison as input.
|
753 |
For a true comparison CC=3 will never be set, but we treat this
|
754 |
conservatively for possible use when CC=3 indicates overflow. */
|
755 |
static const TCGCond ltgt_cond[16] = { |
756 |
TCG_COND_NEVER, TCG_COND_NEVER, /* | | | x */
|
757 |
TCG_COND_GT, TCG_COND_NEVER, /* | | GT | x */
|
758 |
TCG_COND_LT, TCG_COND_NEVER, /* | LT | | x */
|
759 |
TCG_COND_NE, TCG_COND_NEVER, /* | LT | GT | x */
|
760 |
TCG_COND_EQ, TCG_COND_NEVER, /* EQ | | | x */
|
761 |
TCG_COND_GE, TCG_COND_NEVER, /* EQ | | GT | x */
|
762 |
TCG_COND_LE, TCG_COND_NEVER, /* EQ | LT | | x */
|
763 |
TCG_COND_ALWAYS, TCG_COND_ALWAYS, /* EQ | LT | GT | x */
|
764 |
}; |
765 |
|
766 |
/* Table of mask values to comparison codes, given a logic op as input.
|
767 |
For such, only CC=0 and CC=1 should be possible. */
|
768 |
static const TCGCond nz_cond[16] = { |
769 |
/* | | x | x */
|
770 |
TCG_COND_NEVER, TCG_COND_NEVER, TCG_COND_NEVER, TCG_COND_NEVER, |
771 |
/* | NE | x | x */
|
772 |
TCG_COND_NE, TCG_COND_NE, TCG_COND_NE, TCG_COND_NE, |
773 |
/* EQ | | x | x */
|
774 |
TCG_COND_EQ, TCG_COND_EQ, TCG_COND_EQ, TCG_COND_EQ, |
775 |
/* EQ | NE | x | x */
|
776 |
TCG_COND_ALWAYS, TCG_COND_ALWAYS, TCG_COND_ALWAYS, TCG_COND_ALWAYS, |
777 |
}; |
778 |
|
779 |
/* Interpret MASK in terms of S->CC_OP, and fill in C with all the
|
780 |
details required to generate a TCG comparison. */
|
781 |
static void disas_jcc(DisasContext *s, DisasCompare *c, uint32_t mask) |
782 |
{ |
783 |
TCGCond cond; |
784 |
enum cc_op old_cc_op = s->cc_op;
|
785 |
|
786 |
if (mask == 15 || mask == 0) { |
787 |
c->cond = (mask ? TCG_COND_ALWAYS : TCG_COND_NEVER); |
788 |
c->u.s32.a = cc_op; |
789 |
c->u.s32.b = cc_op; |
790 |
c->g1 = c->g2 = true;
|
791 |
c->is_64 = false;
|
792 |
return;
|
793 |
} |
794 |
|
795 |
/* Find the TCG condition for the mask + cc op. */
|
796 |
switch (old_cc_op) {
|
797 |
case CC_OP_LTGT0_32:
|
798 |
case CC_OP_LTGT0_64:
|
799 |
case CC_OP_LTGT_32:
|
800 |
case CC_OP_LTGT_64:
|
801 |
cond = ltgt_cond[mask]; |
802 |
if (cond == TCG_COND_NEVER) {
|
803 |
goto do_dynamic;
|
804 |
} |
805 |
account_inline_branch(s, old_cc_op); |
806 |
break;
|
807 |
|
808 |
case CC_OP_LTUGTU_32:
|
809 |
case CC_OP_LTUGTU_64:
|
810 |
cond = tcg_unsigned_cond(ltgt_cond[mask]); |
811 |
if (cond == TCG_COND_NEVER) {
|
812 |
goto do_dynamic;
|
813 |
} |
814 |
account_inline_branch(s, old_cc_op); |
815 |
break;
|
816 |
|
817 |
case CC_OP_NZ:
|
818 |
cond = nz_cond[mask]; |
819 |
if (cond == TCG_COND_NEVER) {
|
820 |
goto do_dynamic;
|
821 |
} |
822 |
account_inline_branch(s, old_cc_op); |
823 |
break;
|
824 |
|
825 |
case CC_OP_TM_32:
|
826 |
case CC_OP_TM_64:
|
827 |
switch (mask) {
|
828 |
case 8: |
829 |
cond = TCG_COND_EQ; |
830 |
break;
|
831 |
case 4 | 2 | 1: |
832 |
cond = TCG_COND_NE; |
833 |
break;
|
834 |
default:
|
835 |
goto do_dynamic;
|
836 |
} |
837 |
account_inline_branch(s, old_cc_op); |
838 |
break;
|
839 |
|
840 |
case CC_OP_ICM:
|
841 |
switch (mask) {
|
842 |
case 8: |
843 |
cond = TCG_COND_EQ; |
844 |
break;
|
845 |
case 4 | 2 | 1: |
846 |
case 4 | 2: |
847 |
cond = TCG_COND_NE; |
848 |
break;
|
849 |
default:
|
850 |
goto do_dynamic;
|
851 |
} |
852 |
account_inline_branch(s, old_cc_op); |
853 |
break;
|
854 |
|
855 |
default:
|
856 |
do_dynamic:
|
857 |
/* Calculate cc value. */
|
858 |
gen_op_calc_cc(s); |
859 |
/* FALLTHRU */
|
860 |
|
861 |
case CC_OP_STATIC:
|
862 |
/* Jump based on CC. We'll load up the real cond below;
|
863 |
the assignment here merely avoids a compiler warning. */
|
864 |
account_noninline_branch(s, old_cc_op); |
865 |
old_cc_op = CC_OP_STATIC; |
866 |
cond = TCG_COND_NEVER; |
867 |
break;
|
868 |
} |
869 |
|
870 |
/* Load up the arguments of the comparison. */
|
871 |
c->is_64 = true;
|
872 |
c->g1 = c->g2 = false;
|
873 |
switch (old_cc_op) {
|
874 |
case CC_OP_LTGT0_32:
|
875 |
c->is_64 = false;
|
876 |
c->u.s32.a = tcg_temp_new_i32(); |
877 |
tcg_gen_trunc_i64_i32(c->u.s32.a, cc_dst); |
878 |
c->u.s32.b = tcg_const_i32(0);
|
879 |
break;
|
880 |
case CC_OP_LTGT_32:
|
881 |
case CC_OP_LTUGTU_32:
|
882 |
c->is_64 = false;
|
883 |
c->u.s32.a = tcg_temp_new_i32(); |
884 |
tcg_gen_trunc_i64_i32(c->u.s32.a, cc_src); |
885 |
c->u.s32.b = tcg_temp_new_i32(); |
886 |
tcg_gen_trunc_i64_i32(c->u.s32.b, cc_dst); |
887 |
break;
|
888 |
|
889 |
case CC_OP_LTGT0_64:
|
890 |
case CC_OP_NZ:
|
891 |
c->u.s64.a = cc_dst; |
892 |
c->u.s64.b = tcg_const_i64(0);
|
893 |
c->g1 = true;
|
894 |
break;
|
895 |
case CC_OP_LTGT_64:
|
896 |
case CC_OP_LTUGTU_64:
|
897 |
c->u.s64.a = cc_src; |
898 |
c->u.s64.b = cc_dst; |
899 |
c->g1 = c->g2 = true;
|
900 |
break;
|
901 |
|
902 |
case CC_OP_TM_32:
|
903 |
case CC_OP_TM_64:
|
904 |
case CC_OP_ICM:
|
905 |
c->u.s64.a = tcg_temp_new_i64(); |
906 |
c->u.s64.b = tcg_const_i64(0);
|
907 |
tcg_gen_and_i64(c->u.s64.a, cc_src, cc_dst); |
908 |
break;
|
909 |
|
910 |
case CC_OP_STATIC:
|
911 |
c->is_64 = false;
|
912 |
c->u.s32.a = cc_op; |
913 |
c->g1 = true;
|
914 |
switch (mask) {
|
915 |
case 0x8 | 0x4 | 0x2: /* cc != 3 */ |
916 |
cond = TCG_COND_NE; |
917 |
c->u.s32.b = tcg_const_i32(3);
|
918 |
break;
|
919 |
case 0x8 | 0x4 | 0x1: /* cc != 2 */ |
920 |
cond = TCG_COND_NE; |
921 |
c->u.s32.b = tcg_const_i32(2);
|
922 |
break;
|
923 |
case 0x8 | 0x2 | 0x1: /* cc != 1 */ |
924 |
cond = TCG_COND_NE; |
925 |
c->u.s32.b = tcg_const_i32(1);
|
926 |
break;
|
927 |
case 0x8 | 0x2: /* cc == 0 ||ย cc == 2 => (cc & 1) == 0 */ |
928 |
cond = TCG_COND_EQ; |
929 |
c->g1 = false;
|
930 |
c->u.s32.a = tcg_temp_new_i32(); |
931 |
c->u.s32.b = tcg_const_i32(0);
|
932 |
tcg_gen_andi_i32(c->u.s32.a, cc_op, 1);
|
933 |
break;
|
934 |
case 0x8 | 0x4: /* cc < 2 */ |
935 |
cond = TCG_COND_LTU; |
936 |
c->u.s32.b = tcg_const_i32(2);
|
937 |
break;
|
938 |
case 0x8: /* cc == 0 */ |
939 |
cond = TCG_COND_EQ; |
940 |
c->u.s32.b = tcg_const_i32(0);
|
941 |
break;
|
942 |
case 0x4 | 0x2 | 0x1: /* cc != 0 */ |
943 |
cond = TCG_COND_NE; |
944 |
c->u.s32.b = tcg_const_i32(0);
|
945 |
break;
|
946 |
case 0x4 | 0x1: /* cc == 1 ||ย cc == 3 => (cc & 1) != 0 */ |
947 |
cond = TCG_COND_NE; |
948 |
c->g1 = false;
|
949 |
c->u.s32.a = tcg_temp_new_i32(); |
950 |
c->u.s32.b = tcg_const_i32(0);
|
951 |
tcg_gen_andi_i32(c->u.s32.a, cc_op, 1);
|
952 |
break;
|
953 |
case 0x4: /* cc == 1 */ |
954 |
cond = TCG_COND_EQ; |
955 |
c->u.s32.b = tcg_const_i32(1);
|
956 |
break;
|
957 |
case 0x2 | 0x1: /* cc > 1 */ |
958 |
cond = TCG_COND_GTU; |
959 |
c->u.s32.b = tcg_const_i32(1);
|
960 |
break;
|
961 |
case 0x2: /* cc == 2 */ |
962 |
cond = TCG_COND_EQ; |
963 |
c->u.s32.b = tcg_const_i32(2);
|
964 |
break;
|
965 |
case 0x1: /* cc == 3 */ |
966 |
cond = TCG_COND_EQ; |
967 |
c->u.s32.b = tcg_const_i32(3);
|
968 |
break;
|
969 |
default:
|
970 |
/* CC is masked by something else: (8 >> cc) & mask. */
|
971 |
cond = TCG_COND_NE; |
972 |
c->g1 = false;
|
973 |
c->u.s32.a = tcg_const_i32(8);
|
974 |
c->u.s32.b = tcg_const_i32(0);
|
975 |
tcg_gen_shr_i32(c->u.s32.a, c->u.s32.a, cc_op); |
976 |
tcg_gen_andi_i32(c->u.s32.a, c->u.s32.a, mask); |
977 |
break;
|
978 |
} |
979 |
break;
|
980 |
|
981 |
default:
|
982 |
abort(); |
983 |
} |
984 |
c->cond = cond; |
985 |
} |
986 |
|
987 |
static void free_compare(DisasCompare *c) |
988 |
{ |
989 |
if (!c->g1) {
|
990 |
if (c->is_64) {
|
991 |
tcg_temp_free_i64(c->u.s64.a); |
992 |
} else {
|
993 |
tcg_temp_free_i32(c->u.s32.a); |
994 |
} |
995 |
} |
996 |
if (!c->g2) {
|
997 |
if (c->is_64) {
|
998 |
tcg_temp_free_i64(c->u.s64.b); |
999 |
} else {
|
1000 |
tcg_temp_free_i32(c->u.s32.b); |
1001 |
} |
1002 |
} |
1003 |
} |
1004 |
|
1005 |
static void disas_b2(CPUS390XState *env, DisasContext *s, int op, |
1006 |
uint32_t insn) |
1007 |
{ |
1008 |
TCGv_i64 tmp, tmp2, tmp3; |
1009 |
TCGv_i32 tmp32_1, tmp32_2, tmp32_3; |
1010 |
int r1, r2;
|
1011 |
#ifndef CONFIG_USER_ONLY
|
1012 |
int r3, d2, b2;
|
1013 |
#endif
|
1014 |
|
1015 |
r1 = (insn >> 4) & 0xf; |
1016 |
r2 = insn & 0xf;
|
1017 |
|
1018 |
LOG_DISAS("disas_b2: op 0x%x r1 %d r2 %d\n", op, r1, r2);
|
1019 |
|
1020 |
switch (op) {
|
1021 |
case 0x22: /* IPM R1 [RRE] */ |
1022 |
tmp32_1 = tcg_const_i32(r1); |
1023 |
gen_op_calc_cc(s); |
1024 |
gen_helper_ipm(cpu_env, cc_op, tmp32_1); |
1025 |
tcg_temp_free_i32(tmp32_1); |
1026 |
break;
|
1027 |
case 0x41: /* CKSM R1,R2 [RRE] */ |
1028 |
tmp32_1 = tcg_const_i32(r1); |
1029 |
tmp32_2 = tcg_const_i32(r2); |
1030 |
potential_page_fault(s); |
1031 |
gen_helper_cksm(cpu_env, tmp32_1, tmp32_2); |
1032 |
tcg_temp_free_i32(tmp32_1); |
1033 |
tcg_temp_free_i32(tmp32_2); |
1034 |
gen_op_movi_cc(s, 0);
|
1035 |
break;
|
1036 |
case 0x4e: /* SAR R1,R2 [RRE] */ |
1037 |
tmp32_1 = load_reg32(r2); |
1038 |
tcg_gen_st_i32(tmp32_1, cpu_env, offsetof(CPUS390XState, aregs[r1])); |
1039 |
tcg_temp_free_i32(tmp32_1); |
1040 |
break;
|
1041 |
case 0x4f: /* EAR R1,R2 [RRE] */ |
1042 |
tmp32_1 = tcg_temp_new_i32(); |
1043 |
tcg_gen_ld_i32(tmp32_1, cpu_env, offsetof(CPUS390XState, aregs[r2])); |
1044 |
store_reg32(r1, tmp32_1); |
1045 |
tcg_temp_free_i32(tmp32_1); |
1046 |
break;
|
1047 |
case 0x54: /* MVPG R1,R2 [RRE] */ |
1048 |
tmp = load_reg(0);
|
1049 |
tmp2 = load_reg(r1); |
1050 |
tmp3 = load_reg(r2); |
1051 |
potential_page_fault(s); |
1052 |
gen_helper_mvpg(cpu_env, tmp, tmp2, tmp3); |
1053 |
tcg_temp_free_i64(tmp); |
1054 |
tcg_temp_free_i64(tmp2); |
1055 |
tcg_temp_free_i64(tmp3); |
1056 |
/* XXX check CCO bit and set CC accordingly */
|
1057 |
gen_op_movi_cc(s, 0);
|
1058 |
break;
|
1059 |
case 0x55: /* MVST R1,R2 [RRE] */ |
1060 |
tmp32_1 = load_reg32(0);
|
1061 |
tmp32_2 = tcg_const_i32(r1); |
1062 |
tmp32_3 = tcg_const_i32(r2); |
1063 |
potential_page_fault(s); |
1064 |
gen_helper_mvst(cpu_env, tmp32_1, tmp32_2, tmp32_3); |
1065 |
tcg_temp_free_i32(tmp32_1); |
1066 |
tcg_temp_free_i32(tmp32_2); |
1067 |
tcg_temp_free_i32(tmp32_3); |
1068 |
gen_op_movi_cc(s, 1);
|
1069 |
break;
|
1070 |
case 0x5d: /* CLST R1,R2 [RRE] */ |
1071 |
tmp32_1 = load_reg32(0);
|
1072 |
tmp32_2 = tcg_const_i32(r1); |
1073 |
tmp32_3 = tcg_const_i32(r2); |
1074 |
potential_page_fault(s); |
1075 |
gen_helper_clst(cc_op, cpu_env, tmp32_1, tmp32_2, tmp32_3); |
1076 |
set_cc_static(s); |
1077 |
tcg_temp_free_i32(tmp32_1); |
1078 |
tcg_temp_free_i32(tmp32_2); |
1079 |
tcg_temp_free_i32(tmp32_3); |
1080 |
break;
|
1081 |
case 0x5e: /* SRST R1,R2 [RRE] */ |
1082 |
tmp32_1 = load_reg32(0);
|
1083 |
tmp32_2 = tcg_const_i32(r1); |
1084 |
tmp32_3 = tcg_const_i32(r2); |
1085 |
potential_page_fault(s); |
1086 |
gen_helper_srst(cc_op, cpu_env, tmp32_1, tmp32_2, tmp32_3); |
1087 |
set_cc_static(s); |
1088 |
tcg_temp_free_i32(tmp32_1); |
1089 |
tcg_temp_free_i32(tmp32_2); |
1090 |
tcg_temp_free_i32(tmp32_3); |
1091 |
break;
|
1092 |
|
1093 |
#ifndef CONFIG_USER_ONLY
|
1094 |
case 0x02: /* STIDP D2(B2) [S] */ |
1095 |
/* Store CPU ID */
|
1096 |
check_privileged(s); |
1097 |
decode_rs(s, insn, &r1, &r3, &b2, &d2); |
1098 |
tmp = get_address(s, 0, b2, d2);
|
1099 |
potential_page_fault(s); |
1100 |
gen_helper_stidp(cpu_env, tmp); |
1101 |
tcg_temp_free_i64(tmp); |
1102 |
break;
|
1103 |
case 0x04: /* SCK D2(B2) [S] */ |
1104 |
/* Set Clock */
|
1105 |
check_privileged(s); |
1106 |
decode_rs(s, insn, &r1, &r3, &b2, &d2); |
1107 |
tmp = get_address(s, 0, b2, d2);
|
1108 |
potential_page_fault(s); |
1109 |
gen_helper_sck(cc_op, tmp); |
1110 |
set_cc_static(s); |
1111 |
tcg_temp_free_i64(tmp); |
1112 |
break;
|
1113 |
case 0x05: /* STCK D2(B2) [S] */ |
1114 |
/* Store Clock */
|
1115 |
decode_rs(s, insn, &r1, &r3, &b2, &d2); |
1116 |
tmp = get_address(s, 0, b2, d2);
|
1117 |
potential_page_fault(s); |
1118 |
gen_helper_stck(cc_op, cpu_env, tmp); |
1119 |
set_cc_static(s); |
1120 |
tcg_temp_free_i64(tmp); |
1121 |
break;
|
1122 |
case 0x06: /* SCKC D2(B2) [S] */ |
1123 |
/* Set Clock Comparator */
|
1124 |
check_privileged(s); |
1125 |
decode_rs(s, insn, &r1, &r3, &b2, &d2); |
1126 |
tmp = get_address(s, 0, b2, d2);
|
1127 |
potential_page_fault(s); |
1128 |
gen_helper_sckc(cpu_env, tmp); |
1129 |
tcg_temp_free_i64(tmp); |
1130 |
break;
|
1131 |
case 0x07: /* STCKC D2(B2) [S] */ |
1132 |
/* Store Clock Comparator */
|
1133 |
check_privileged(s); |
1134 |
decode_rs(s, insn, &r1, &r3, &b2, &d2); |
1135 |
tmp = get_address(s, 0, b2, d2);
|
1136 |
potential_page_fault(s); |
1137 |
gen_helper_stckc(cpu_env, tmp); |
1138 |
tcg_temp_free_i64(tmp); |
1139 |
break;
|
1140 |
case 0x08: /* SPT D2(B2) [S] */ |
1141 |
/* Set CPU Timer */
|
1142 |
check_privileged(s); |
1143 |
decode_rs(s, insn, &r1, &r3, &b2, &d2); |
1144 |
tmp = get_address(s, 0, b2, d2);
|
1145 |
potential_page_fault(s); |
1146 |
gen_helper_spt(cpu_env, tmp); |
1147 |
tcg_temp_free_i64(tmp); |
1148 |
break;
|
1149 |
case 0x09: /* STPT D2(B2) [S] */ |
1150 |
/* Store CPU Timer */
|
1151 |
check_privileged(s); |
1152 |
decode_rs(s, insn, &r1, &r3, &b2, &d2); |
1153 |
tmp = get_address(s, 0, b2, d2);
|
1154 |
potential_page_fault(s); |
1155 |
gen_helper_stpt(cpu_env, tmp); |
1156 |
tcg_temp_free_i64(tmp); |
1157 |
break;
|
1158 |
case 0x0a: /* SPKA D2(B2) [S] */ |
1159 |
/* Set PSW Key from Address */
|
1160 |
check_privileged(s); |
1161 |
decode_rs(s, insn, &r1, &r3, &b2, &d2); |
1162 |
tmp = get_address(s, 0, b2, d2);
|
1163 |
tmp2 = tcg_temp_new_i64(); |
1164 |
tcg_gen_andi_i64(tmp2, psw_mask, ~PSW_MASK_KEY); |
1165 |
tcg_gen_shli_i64(tmp, tmp, PSW_SHIFT_KEY - 4);
|
1166 |
tcg_gen_or_i64(psw_mask, tmp2, tmp); |
1167 |
tcg_temp_free_i64(tmp2); |
1168 |
tcg_temp_free_i64(tmp); |
1169 |
break;
|
1170 |
case 0x0d: /* PTLB [S] */ |
1171 |
/* Purge TLB */
|
1172 |
check_privileged(s); |
1173 |
gen_helper_ptlb(cpu_env); |
1174 |
break;
|
1175 |
case 0x10: /* SPX D2(B2) [S] */ |
1176 |
/* Set Prefix Register */
|
1177 |
check_privileged(s); |
1178 |
decode_rs(s, insn, &r1, &r3, &b2, &d2); |
1179 |
tmp = get_address(s, 0, b2, d2);
|
1180 |
potential_page_fault(s); |
1181 |
gen_helper_spx(cpu_env, tmp); |
1182 |
tcg_temp_free_i64(tmp); |
1183 |
break;
|
1184 |
case 0x11: /* STPX D2(B2) [S] */ |
1185 |
/* Store Prefix */
|
1186 |
check_privileged(s); |
1187 |
decode_rs(s, insn, &r1, &r3, &b2, &d2); |
1188 |
tmp = get_address(s, 0, b2, d2);
|
1189 |
tmp2 = tcg_temp_new_i64(); |
1190 |
tcg_gen_ld_i64(tmp2, cpu_env, offsetof(CPUS390XState, psa)); |
1191 |
tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s)); |
1192 |
tcg_temp_free_i64(tmp); |
1193 |
tcg_temp_free_i64(tmp2); |
1194 |
break;
|
1195 |
case 0x12: /* STAP D2(B2) [S] */ |
1196 |
/* Store CPU Address */
|
1197 |
check_privileged(s); |
1198 |
decode_rs(s, insn, &r1, &r3, &b2, &d2); |
1199 |
tmp = get_address(s, 0, b2, d2);
|
1200 |
tmp2 = tcg_temp_new_i64(); |
1201 |
tmp32_1 = tcg_temp_new_i32(); |
1202 |
tcg_gen_ld_i32(tmp32_1, cpu_env, offsetof(CPUS390XState, cpu_num)); |
1203 |
tcg_gen_extu_i32_i64(tmp2, tmp32_1); |
1204 |
tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s)); |
1205 |
tcg_temp_free_i64(tmp); |
1206 |
tcg_temp_free_i64(tmp2); |
1207 |
tcg_temp_free_i32(tmp32_1); |
1208 |
break;
|
1209 |
case 0x21: /* IPTE R1,R2 [RRE] */ |
1210 |
/* Invalidate PTE */
|
1211 |
check_privileged(s); |
1212 |
r1 = (insn >> 4) & 0xf; |
1213 |
r2 = insn & 0xf;
|
1214 |
tmp = load_reg(r1); |
1215 |
tmp2 = load_reg(r2); |
1216 |
gen_helper_ipte(cpu_env, tmp, tmp2); |
1217 |
tcg_temp_free_i64(tmp); |
1218 |
tcg_temp_free_i64(tmp2); |
1219 |
break;
|
1220 |
case 0x29: /* ISKE R1,R2 [RRE] */ |
1221 |
/* Insert Storage Key Extended */
|
1222 |
check_privileged(s); |
1223 |
r1 = (insn >> 4) & 0xf; |
1224 |
r2 = insn & 0xf;
|
1225 |
tmp = load_reg(r2); |
1226 |
tmp2 = tcg_temp_new_i64(); |
1227 |
gen_helper_iske(tmp2, cpu_env, tmp); |
1228 |
store_reg(r1, tmp2); |
1229 |
tcg_temp_free_i64(tmp); |
1230 |
tcg_temp_free_i64(tmp2); |
1231 |
break;
|
1232 |
case 0x2a: /* RRBE R1,R2 [RRE] */ |
1233 |
/* Set Storage Key Extended */
|
1234 |
check_privileged(s); |
1235 |
r1 = (insn >> 4) & 0xf; |
1236 |
r2 = insn & 0xf;
|
1237 |
tmp32_1 = load_reg32(r1); |
1238 |
tmp = load_reg(r2); |
1239 |
gen_helper_rrbe(cc_op, cpu_env, tmp32_1, tmp); |
1240 |
set_cc_static(s); |
1241 |
tcg_temp_free_i32(tmp32_1); |
1242 |
tcg_temp_free_i64(tmp); |
1243 |
break;
|
1244 |
case 0x2b: /* SSKE R1,R2 [RRE] */ |
1245 |
/* Set Storage Key Extended */
|
1246 |
check_privileged(s); |
1247 |
r1 = (insn >> 4) & 0xf; |
1248 |
r2 = insn & 0xf;
|
1249 |
tmp32_1 = load_reg32(r1); |
1250 |
tmp = load_reg(r2); |
1251 |
gen_helper_sske(cpu_env, tmp32_1, tmp); |
1252 |
tcg_temp_free_i32(tmp32_1); |
1253 |
tcg_temp_free_i64(tmp); |
1254 |
break;
|
1255 |
case 0x34: /* STCH ? */ |
1256 |
/* Store Subchannel */
|
1257 |
check_privileged(s); |
1258 |
gen_op_movi_cc(s, 3);
|
1259 |
break;
|
1260 |
case 0x46: /* STURA R1,R2 [RRE] */ |
1261 |
/* Store Using Real Address */
|
1262 |
check_privileged(s); |
1263 |
r1 = (insn >> 4) & 0xf; |
1264 |
r2 = insn & 0xf;
|
1265 |
tmp32_1 = load_reg32(r1); |
1266 |
tmp = load_reg(r2); |
1267 |
potential_page_fault(s); |
1268 |
gen_helper_stura(cpu_env, tmp, tmp32_1); |
1269 |
tcg_temp_free_i32(tmp32_1); |
1270 |
tcg_temp_free_i64(tmp); |
1271 |
break;
|
1272 |
case 0x50: /* CSP R1,R2 [RRE] */ |
1273 |
/* Compare And Swap And Purge */
|
1274 |
check_privileged(s); |
1275 |
r1 = (insn >> 4) & 0xf; |
1276 |
r2 = insn & 0xf;
|
1277 |
tmp32_1 = tcg_const_i32(r1); |
1278 |
tmp32_2 = tcg_const_i32(r2); |
1279 |
gen_helper_csp(cc_op, cpu_env, tmp32_1, tmp32_2); |
1280 |
set_cc_static(s); |
1281 |
tcg_temp_free_i32(tmp32_1); |
1282 |
tcg_temp_free_i32(tmp32_2); |
1283 |
break;
|
1284 |
case 0x5f: /* CHSC ? */ |
1285 |
/* Channel Subsystem Call */
|
1286 |
check_privileged(s); |
1287 |
gen_op_movi_cc(s, 3);
|
1288 |
break;
|
1289 |
case 0x78: /* STCKE D2(B2) [S] */ |
1290 |
/* Store Clock Extended */
|
1291 |
decode_rs(s, insn, &r1, &r3, &b2, &d2); |
1292 |
tmp = get_address(s, 0, b2, d2);
|
1293 |
potential_page_fault(s); |
1294 |
gen_helper_stcke(cc_op, cpu_env, tmp); |
1295 |
set_cc_static(s); |
1296 |
tcg_temp_free_i64(tmp); |
1297 |
break;
|
1298 |
case 0x79: /* SACF D2(B2) [S] */ |
1299 |
/* Set Address Space Control Fast */
|
1300 |
check_privileged(s); |
1301 |
decode_rs(s, insn, &r1, &r3, &b2, &d2); |
1302 |
tmp = get_address(s, 0, b2, d2);
|
1303 |
potential_page_fault(s); |
1304 |
gen_helper_sacf(cpu_env, tmp); |
1305 |
tcg_temp_free_i64(tmp); |
1306 |
/* addressing mode has changed, so end the block */
|
1307 |
s->pc = s->next_pc; |
1308 |
update_psw_addr(s); |
1309 |
s->is_jmp = DISAS_JUMP; |
1310 |
break;
|
1311 |
case 0x7d: /* STSI D2,(B2) [S] */ |
1312 |
check_privileged(s); |
1313 |
decode_rs(s, insn, &r1, &r3, &b2, &d2); |
1314 |
tmp = get_address(s, 0, b2, d2);
|
1315 |
tmp32_1 = load_reg32(0);
|
1316 |
tmp32_2 = load_reg32(1);
|
1317 |
potential_page_fault(s); |
1318 |
gen_helper_stsi(cc_op, cpu_env, tmp, tmp32_1, tmp32_2); |
1319 |
set_cc_static(s); |
1320 |
tcg_temp_free_i64(tmp); |
1321 |
tcg_temp_free_i32(tmp32_1); |
1322 |
tcg_temp_free_i32(tmp32_2); |
1323 |
break;
|
1324 |
case 0x9d: /* LFPC D2(B2) [S] */ |
1325 |
decode_rs(s, insn, &r1, &r3, &b2, &d2); |
1326 |
tmp = get_address(s, 0, b2, d2);
|
1327 |
tmp2 = tcg_temp_new_i64(); |
1328 |
tmp32_1 = tcg_temp_new_i32(); |
1329 |
tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s)); |
1330 |
tcg_gen_trunc_i64_i32(tmp32_1, tmp2); |
1331 |
tcg_gen_st_i32(tmp32_1, cpu_env, offsetof(CPUS390XState, fpc)); |
1332 |
tcg_temp_free_i64(tmp); |
1333 |
tcg_temp_free_i64(tmp2); |
1334 |
tcg_temp_free_i32(tmp32_1); |
1335 |
break;
|
1336 |
case 0xb1: /* STFL D2(B2) [S] */ |
1337 |
/* Store Facility List (CPU features) at 200 */
|
1338 |
check_privileged(s); |
1339 |
tmp2 = tcg_const_i64(0xc0000000);
|
1340 |
tmp = tcg_const_i64(200);
|
1341 |
tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s)); |
1342 |
tcg_temp_free_i64(tmp2); |
1343 |
tcg_temp_free_i64(tmp); |
1344 |
break;
|
1345 |
case 0xb2: /* LPSWE D2(B2) [S] */ |
1346 |
/* Load PSW Extended */
|
1347 |
check_privileged(s); |
1348 |
decode_rs(s, insn, &r1, &r3, &b2, &d2); |
1349 |
tmp = get_address(s, 0, b2, d2);
|
1350 |
tmp2 = tcg_temp_new_i64(); |
1351 |
tmp3 = tcg_temp_new_i64(); |
1352 |
tcg_gen_qemu_ld64(tmp2, tmp, get_mem_index(s)); |
1353 |
tcg_gen_addi_i64(tmp, tmp, 8);
|
1354 |
tcg_gen_qemu_ld64(tmp3, tmp, get_mem_index(s)); |
1355 |
gen_helper_load_psw(cpu_env, tmp2, tmp3); |
1356 |
/* we need to keep cc_op intact */
|
1357 |
s->is_jmp = DISAS_JUMP; |
1358 |
tcg_temp_free_i64(tmp); |
1359 |
tcg_temp_free_i64(tmp2); |
1360 |
tcg_temp_free_i64(tmp3); |
1361 |
break;
|
1362 |
case 0x20: /* SERVC R1,R2 [RRE] */ |
1363 |
/* SCLP Service call (PV hypercall) */
|
1364 |
check_privileged(s); |
1365 |
potential_page_fault(s); |
1366 |
tmp32_1 = load_reg32(r2); |
1367 |
tmp = load_reg(r1); |
1368 |
gen_helper_servc(cc_op, cpu_env, tmp32_1, tmp); |
1369 |
set_cc_static(s); |
1370 |
tcg_temp_free_i32(tmp32_1); |
1371 |
tcg_temp_free_i64(tmp); |
1372 |
break;
|
1373 |
#endif
|
1374 |
default:
|
1375 |
LOG_DISAS("illegal b2 operation 0x%x\n", op);
|
1376 |
gen_illegal_opcode(s); |
1377 |
break;
|
1378 |
} |
1379 |
} |
1380 |
|
1381 |
static void disas_b3(CPUS390XState *env, DisasContext *s, int op, int m3, |
1382 |
int r1, int r2) |
1383 |
{ |
1384 |
TCGv_i32 tmp32_1; |
1385 |
LOG_DISAS("disas_b3: op 0x%x m3 0x%x r1 %d r2 %d\n", op, m3, r1, r2);
|
1386 |
#define FP_HELPER(i) \
|
1387 |
tmp32_1 = tcg_const_i32(r1); \ |
1388 |
tmp32_2 = tcg_const_i32(r2); \ |
1389 |
gen_helper_ ## i(cpu_env, tmp32_1, tmp32_2); \ |
1390 |
tcg_temp_free_i32(tmp32_1); \ |
1391 |
tcg_temp_free_i32(tmp32_2); |
1392 |
|
1393 |
#define FP_HELPER_CC(i) \
|
1394 |
tmp32_1 = tcg_const_i32(r1); \ |
1395 |
tmp32_2 = tcg_const_i32(r2); \ |
1396 |
gen_helper_ ## i(cc_op, cpu_env, tmp32_1, tmp32_2); \ |
1397 |
set_cc_static(s); \ |
1398 |
tcg_temp_free_i32(tmp32_1); \ |
1399 |
tcg_temp_free_i32(tmp32_2); |
1400 |
|
1401 |
switch (op) {
|
1402 |
case 0x84: /* SFPC R1 [RRE] */ |
1403 |
tmp32_1 = load_reg32(r1); |
1404 |
tcg_gen_st_i32(tmp32_1, cpu_env, offsetof(CPUS390XState, fpc)); |
1405 |
tcg_temp_free_i32(tmp32_1); |
1406 |
break;
|
1407 |
default:
|
1408 |
LOG_DISAS("illegal b3 operation 0x%x\n", op);
|
1409 |
gen_illegal_opcode(s); |
1410 |
break;
|
1411 |
} |
1412 |
|
1413 |
#undef FP_HELPER_CC
|
1414 |
#undef FP_HELPER
|
1415 |
} |
1416 |
|
1417 |
static void disas_b9(CPUS390XState *env, DisasContext *s, int op, int r1, |
1418 |
int r2)
|
1419 |
{ |
1420 |
TCGv_i64 tmp; |
1421 |
TCGv_i32 tmp32_1; |
1422 |
|
1423 |
LOG_DISAS("disas_b9: op 0x%x r1 %d r2 %d\n", op, r1, r2);
|
1424 |
switch (op) {
|
1425 |
case 0x83: /* FLOGR R1,R2 [RRE] */ |
1426 |
tmp = load_reg(r2); |
1427 |
tmp32_1 = tcg_const_i32(r1); |
1428 |
gen_helper_flogr(cc_op, cpu_env, tmp32_1, tmp); |
1429 |
set_cc_static(s); |
1430 |
tcg_temp_free_i64(tmp); |
1431 |
tcg_temp_free_i32(tmp32_1); |
1432 |
break;
|
1433 |
default:
|
1434 |
LOG_DISAS("illegal b9 operation 0x%x\n", op);
|
1435 |
gen_illegal_opcode(s); |
1436 |
break;
|
1437 |
} |
1438 |
} |
1439 |
|
1440 |
static void disas_s390_insn(CPUS390XState *env, DisasContext *s) |
1441 |
{ |
1442 |
unsigned char opc; |
1443 |
uint64_t insn; |
1444 |
int op, r1, r2, r3;
|
1445 |
|
1446 |
opc = cpu_ldub_code(env, s->pc); |
1447 |
LOG_DISAS("opc 0x%x\n", opc);
|
1448 |
|
1449 |
switch (opc) {
|
1450 |
case 0xb2: |
1451 |
insn = ld_code4(env, s->pc); |
1452 |
op = (insn >> 16) & 0xff; |
1453 |
disas_b2(env, s, op, insn); |
1454 |
break;
|
1455 |
case 0xb3: |
1456 |
insn = ld_code4(env, s->pc); |
1457 |
op = (insn >> 16) & 0xff; |
1458 |
r3 = (insn >> 12) & 0xf; /* aka m3 */ |
1459 |
r1 = (insn >> 4) & 0xf; |
1460 |
r2 = insn & 0xf;
|
1461 |
disas_b3(env, s, op, r3, r1, r2); |
1462 |
break;
|
1463 |
case 0xb9: |
1464 |
insn = ld_code4(env, s->pc); |
1465 |
r1 = (insn >> 4) & 0xf; |
1466 |
r2 = insn & 0xf;
|
1467 |
op = (insn >> 16) & 0xff; |
1468 |
disas_b9(env, s, op, r1, r2); |
1469 |
break;
|
1470 |
default:
|
1471 |
qemu_log_mask(LOG_UNIMP, "unimplemented opcode 0x%x\n", opc);
|
1472 |
gen_illegal_opcode(s); |
1473 |
break;
|
1474 |
} |
1475 |
} |
1476 |
|
1477 |
/* ====================================================================== */
|
1478 |
/* Define the insn format enumeration. */
|
1479 |
#define F0(N) FMT_##N, |
1480 |
#define F1(N, X1) F0(N)
|
1481 |
#define F2(N, X1, X2) F0(N)
|
1482 |
#define F3(N, X1, X2, X3) F0(N)
|
1483 |
#define F4(N, X1, X2, X3, X4) F0(N)
|
1484 |
#define F5(N, X1, X2, X3, X4, X5) F0(N)
|
1485 |
|
1486 |
typedef enum { |
1487 |
#include "insn-format.def" |
1488 |
} DisasFormat; |
1489 |
|
1490 |
#undef F0
|
1491 |
#undef F1
|
1492 |
#undef F2
|
1493 |
#undef F3
|
1494 |
#undef F4
|
1495 |
#undef F5
|
1496 |
|
1497 |
/* Define a structure to hold the decoded fields. We'll store each inside
|
1498 |
an array indexed by an enum. In order to conserve memory, we'll arrange
|
1499 |
for fields that do not exist at the same time to overlap, thus the "C"
|
1500 |
for compact. For checking purposes there is an "O" for original index
|
1501 |
as well that will be applied to availability bitmaps. */
|
1502 |
|
1503 |
enum DisasFieldIndexO {
|
1504 |
FLD_O_r1, |
1505 |
FLD_O_r2, |
1506 |
FLD_O_r3, |
1507 |
FLD_O_m1, |
1508 |
FLD_O_m3, |
1509 |
FLD_O_m4, |
1510 |
FLD_O_b1, |
1511 |
FLD_O_b2, |
1512 |
FLD_O_b4, |
1513 |
FLD_O_d1, |
1514 |
FLD_O_d2, |
1515 |
FLD_O_d4, |
1516 |
FLD_O_x2, |
1517 |
FLD_O_l1, |
1518 |
FLD_O_l2, |
1519 |
FLD_O_i1, |
1520 |
FLD_O_i2, |
1521 |
FLD_O_i3, |
1522 |
FLD_O_i4, |
1523 |
FLD_O_i5 |
1524 |
}; |
1525 |
|
1526 |
enum DisasFieldIndexC {
|
1527 |
FLD_C_r1 = 0,
|
1528 |
FLD_C_m1 = 0,
|
1529 |
FLD_C_b1 = 0,
|
1530 |
FLD_C_i1 = 0,
|
1531 |
|
1532 |
FLD_C_r2 = 1,
|
1533 |
FLD_C_b2 = 1,
|
1534 |
FLD_C_i2 = 1,
|
1535 |
|
1536 |
FLD_C_r3 = 2,
|
1537 |
FLD_C_m3 = 2,
|
1538 |
FLD_C_i3 = 2,
|
1539 |
|
1540 |
FLD_C_m4 = 3,
|
1541 |
FLD_C_b4 = 3,
|
1542 |
FLD_C_i4 = 3,
|
1543 |
FLD_C_l1 = 3,
|
1544 |
|
1545 |
FLD_C_i5 = 4,
|
1546 |
FLD_C_d1 = 4,
|
1547 |
|
1548 |
FLD_C_d2 = 5,
|
1549 |
|
1550 |
FLD_C_d4 = 6,
|
1551 |
FLD_C_x2 = 6,
|
1552 |
FLD_C_l2 = 6,
|
1553 |
|
1554 |
NUM_C_FIELD = 7
|
1555 |
}; |
1556 |
|
1557 |
struct DisasFields {
|
1558 |
unsigned op:8; |
1559 |
unsigned op2:8; |
1560 |
unsigned presentC:16; |
1561 |
unsigned int presentO; |
1562 |
int c[NUM_C_FIELD];
|
1563 |
}; |
1564 |
|
1565 |
/* This is the way fields are to be accessed out of DisasFields. */
|
1566 |
#define have_field(S, F) have_field1((S), FLD_O_##F) |
1567 |
#define get_field(S, F) get_field1((S), FLD_O_##F, FLD_C_##F) |
1568 |
|
1569 |
static bool have_field1(const DisasFields *f, enum DisasFieldIndexO c) |
1570 |
{ |
1571 |
return (f->presentO >> c) & 1; |
1572 |
} |
1573 |
|
1574 |
static int get_field1(const DisasFields *f, enum DisasFieldIndexO o, |
1575 |
enum DisasFieldIndexC c)
|
1576 |
{ |
1577 |
assert(have_field1(f, o)); |
1578 |
return f->c[c];
|
1579 |
} |
1580 |
|
1581 |
/* Describe the layout of each field in each format. */
|
1582 |
typedef struct DisasField { |
1583 |
unsigned int beg:8; |
1584 |
unsigned int size:8; |
1585 |
unsigned int type:2; |
1586 |
unsigned int indexC:6; |
1587 |
enum DisasFieldIndexO indexO:8; |
1588 |
} DisasField; |
1589 |
|
1590 |
typedef struct DisasFormatInfo { |
1591 |
DisasField op[NUM_C_FIELD]; |
1592 |
} DisasFormatInfo; |
1593 |
|
1594 |
#define R(N, B) { B, 4, 0, FLD_C_r##N, FLD_O_r##N } |
1595 |
#define M(N, B) { B, 4, 0, FLD_C_m##N, FLD_O_m##N } |
1596 |
#define BD(N, BB, BD) { BB, 4, 0, FLD_C_b##N, FLD_O_b##N }, \ |
1597 |
{ BD, 12, 0, FLD_C_d##N, FLD_O_d##N } |
1598 |
#define BXD(N) { 16, 4, 0, FLD_C_b##N, FLD_O_b##N }, \ |
1599 |
{ 12, 4, 0, FLD_C_x##N, FLD_O_x##N }, \ |
1600 |
{ 20, 12, 0, FLD_C_d##N, FLD_O_d##N } |
1601 |
#define BDL(N) { 16, 4, 0, FLD_C_b##N, FLD_O_b##N }, \ |
1602 |
{ 20, 20, 2, FLD_C_d##N, FLD_O_d##N } |
1603 |
#define BXDL(N) { 16, 4, 0, FLD_C_b##N, FLD_O_b##N }, \ |
1604 |
{ 12, 4, 0, FLD_C_x##N, FLD_O_x##N }, \ |
1605 |
{ 20, 20, 2, FLD_C_d##N, FLD_O_d##N } |
1606 |
#define I(N, B, S) { B, S, 1, FLD_C_i##N, FLD_O_i##N } |
1607 |
#define L(N, B, S) { B, S, 0, FLD_C_l##N, FLD_O_l##N } |
1608 |
|
1609 |
#define F0(N) { { } },
|
1610 |
#define F1(N, X1) { { X1 } },
|
1611 |
#define F2(N, X1, X2) { { X1, X2 } },
|
1612 |
#define F3(N, X1, X2, X3) { { X1, X2, X3 } },
|
1613 |
#define F4(N, X1, X2, X3, X4) { { X1, X2, X3, X4 } },
|
1614 |
#define F5(N, X1, X2, X3, X4, X5) { { X1, X2, X3, X4, X5 } },
|
1615 |
|
1616 |
static const DisasFormatInfo format_info[] = { |
1617 |
#include "insn-format.def" |
1618 |
}; |
1619 |
|
1620 |
#undef F0
|
1621 |
#undef F1
|
1622 |
#undef F2
|
1623 |
#undef F3
|
1624 |
#undef F4
|
1625 |
#undef F5
|
1626 |
#undef R
|
1627 |
#undef M
|
1628 |
#undef BD
|
1629 |
#undef BXD
|
1630 |
#undef BDL
|
1631 |
#undef BXDL
|
1632 |
#undef I
|
1633 |
#undef L
|
1634 |
|
1635 |
/* Generally, we'll extract operands into this structures, operate upon
|
1636 |
them, and store them back. See the "in1", "in2", "prep", "wout" sets
|
1637 |
of routines below for more details. */
|
1638 |
typedef struct { |
1639 |
bool g_out, g_out2, g_in1, g_in2;
|
1640 |
TCGv_i64 out, out2, in1, in2; |
1641 |
TCGv_i64 addr1; |
1642 |
} DisasOps; |
1643 |
|
1644 |
/* Return values from translate_one, indicating the state of the TB. */
|
1645 |
typedef enum { |
1646 |
/* Continue the TB. */
|
1647 |
NO_EXIT, |
1648 |
/* We have emitted one or more goto_tb. No fixup required. */
|
1649 |
EXIT_GOTO_TB, |
1650 |
/* We are not using a goto_tb (for whatever reason), but have updated
|
1651 |
the PC (for whatever reason), so there's no need to do it again on
|
1652 |
exiting the TB. */
|
1653 |
EXIT_PC_UPDATED, |
1654 |
/* We are exiting the TB, but have neither emitted a goto_tb, nor
|
1655 |
updated the PC for the next instruction to be executed. */
|
1656 |
EXIT_PC_STALE, |
1657 |
/* We are ending the TB with a noreturn function call, e.g. longjmp.
|
1658 |
No following code will be executed. */
|
1659 |
EXIT_NORETURN, |
1660 |
} ExitStatus; |
1661 |
|
1662 |
typedef enum DisasFacility { |
1663 |
FAC_Z, /* zarch (default) */
|
1664 |
FAC_CASS, /* compare and swap and store */
|
1665 |
FAC_CASS2, /* compare and swap and store 2*/
|
1666 |
FAC_DFP, /* decimal floating point */
|
1667 |
FAC_DFPR, /* decimal floating point rounding */
|
1668 |
FAC_DO, /* distinct operands */
|
1669 |
FAC_EE, /* execute extensions */
|
1670 |
FAC_EI, /* extended immediate */
|
1671 |
FAC_FPE, /* floating point extension */
|
1672 |
FAC_FPSSH, /* floating point support sign handling */
|
1673 |
FAC_FPRGR, /* FPR-GR transfer */
|
1674 |
FAC_GIE, /* general instructions extension */
|
1675 |
FAC_HFP_MA, /* HFP multiply-and-add/subtract */
|
1676 |
FAC_HW, /* high-word */
|
1677 |
FAC_IEEEE_SIM, /* IEEE exception sumilation */
|
1678 |
FAC_LOC, /* load/store on condition */
|
1679 |
FAC_LD, /* long displacement */
|
1680 |
FAC_PC, /* population count */
|
1681 |
FAC_SCF, /* store clock fast */
|
1682 |
FAC_SFLE, /* store facility list extended */
|
1683 |
} DisasFacility; |
1684 |
|
1685 |
struct DisasInsn {
|
1686 |
unsigned opc:16; |
1687 |
DisasFormat fmt:6;
|
1688 |
DisasFacility fac:6;
|
1689 |
|
1690 |
const char *name; |
1691 |
|
1692 |
void (*help_in1)(DisasContext *, DisasFields *, DisasOps *);
|
1693 |
void (*help_in2)(DisasContext *, DisasFields *, DisasOps *);
|
1694 |
void (*help_prep)(DisasContext *, DisasFields *, DisasOps *);
|
1695 |
void (*help_wout)(DisasContext *, DisasFields *, DisasOps *);
|
1696 |
void (*help_cout)(DisasContext *, DisasOps *);
|
1697 |
ExitStatus (*help_op)(DisasContext *, DisasOps *); |
1698 |
|
1699 |
uint64_t data; |
1700 |
}; |
1701 |
|
1702 |
/* ====================================================================== */
|
1703 |
/* Miscelaneous helpers, used by several operations. */
|
1704 |
|
1705 |
static void help_l2_shift(DisasContext *s, DisasFields *f, |
1706 |
DisasOps *o, int mask)
|
1707 |
{ |
1708 |
int b2 = get_field(f, b2);
|
1709 |
int d2 = get_field(f, d2);
|
1710 |
|
1711 |
if (b2 == 0) { |
1712 |
o->in2 = tcg_const_i64(d2 & mask); |
1713 |
} else {
|
1714 |
o->in2 = get_address(s, 0, b2, d2);
|
1715 |
tcg_gen_andi_i64(o->in2, o->in2, mask); |
1716 |
} |
1717 |
} |
1718 |
|
1719 |
static ExitStatus help_goto_direct(DisasContext *s, uint64_t dest)
|
1720 |
{ |
1721 |
if (dest == s->next_pc) {
|
1722 |
return NO_EXIT;
|
1723 |
} |
1724 |
if (use_goto_tb(s, dest)) {
|
1725 |
gen_update_cc_op(s); |
1726 |
tcg_gen_goto_tb(0);
|
1727 |
tcg_gen_movi_i64(psw_addr, dest); |
1728 |
tcg_gen_exit_tb((tcg_target_long)s->tb); |
1729 |
return EXIT_GOTO_TB;
|
1730 |
} else {
|
1731 |
tcg_gen_movi_i64(psw_addr, dest); |
1732 |
return EXIT_PC_UPDATED;
|
1733 |
} |
1734 |
} |
1735 |
|
1736 |
static ExitStatus help_branch(DisasContext *s, DisasCompare *c,
|
1737 |
bool is_imm, int imm, TCGv_i64 cdest) |
1738 |
{ |
1739 |
ExitStatus ret; |
1740 |
uint64_t dest = s->pc + 2 * imm;
|
1741 |
int lab;
|
1742 |
|
1743 |
/* Take care of the special cases first. */
|
1744 |
if (c->cond == TCG_COND_NEVER) {
|
1745 |
ret = NO_EXIT; |
1746 |
goto egress;
|
1747 |
} |
1748 |
if (is_imm) {
|
1749 |
if (dest == s->next_pc) {
|
1750 |
/* Branch to next. */
|
1751 |
ret = NO_EXIT; |
1752 |
goto egress;
|
1753 |
} |
1754 |
if (c->cond == TCG_COND_ALWAYS) {
|
1755 |
ret = help_goto_direct(s, dest); |
1756 |
goto egress;
|
1757 |
} |
1758 |
} else {
|
1759 |
if (TCGV_IS_UNUSED_I64(cdest)) {
|
1760 |
/* E.g. bcr %r0 -> no branch. */
|
1761 |
ret = NO_EXIT; |
1762 |
goto egress;
|
1763 |
} |
1764 |
if (c->cond == TCG_COND_ALWAYS) {
|
1765 |
tcg_gen_mov_i64(psw_addr, cdest); |
1766 |
ret = EXIT_PC_UPDATED; |
1767 |
goto egress;
|
1768 |
} |
1769 |
} |
1770 |
|
1771 |
if (use_goto_tb(s, s->next_pc)) {
|
1772 |
if (is_imm && use_goto_tb(s, dest)) {
|
1773 |
/* Both exits can use goto_tb. */
|
1774 |
gen_update_cc_op(s); |
1775 |
|
1776 |
lab = gen_new_label(); |
1777 |
if (c->is_64) {
|
1778 |
tcg_gen_brcond_i64(c->cond, c->u.s64.a, c->u.s64.b, lab); |
1779 |
} else {
|
1780 |
tcg_gen_brcond_i32(c->cond, c->u.s32.a, c->u.s32.b, lab); |
1781 |
} |
1782 |
|
1783 |
/* Branch not taken. */
|
1784 |
tcg_gen_goto_tb(0);
|
1785 |
tcg_gen_movi_i64(psw_addr, s->next_pc); |
1786 |
tcg_gen_exit_tb((tcg_target_long)s->tb + 0);
|
1787 |
|
1788 |
/* Branch taken. */
|
1789 |
gen_set_label(lab); |
1790 |
tcg_gen_goto_tb(1);
|
1791 |
tcg_gen_movi_i64(psw_addr, dest); |
1792 |
tcg_gen_exit_tb((tcg_target_long)s->tb + 1);
|
1793 |
|
1794 |
ret = EXIT_GOTO_TB; |
1795 |
} else {
|
1796 |
/* Fallthru can use goto_tb, but taken branch cannot. */
|
1797 |
/* Store taken branch destination before the brcond. This
|
1798 |
avoids having to allocate a new local temp to hold it.
|
1799 |
We'll overwrite this in the not taken case anyway. */
|
1800 |
if (!is_imm) {
|
1801 |
tcg_gen_mov_i64(psw_addr, cdest); |
1802 |
} |
1803 |
|
1804 |
lab = gen_new_label(); |
1805 |
if (c->is_64) {
|
1806 |
tcg_gen_brcond_i64(c->cond, c->u.s64.a, c->u.s64.b, lab); |
1807 |
} else {
|
1808 |
tcg_gen_brcond_i32(c->cond, c->u.s32.a, c->u.s32.b, lab); |
1809 |
} |
1810 |
|
1811 |
/* Branch not taken. */
|
1812 |
gen_update_cc_op(s); |
1813 |
tcg_gen_goto_tb(0);
|
1814 |
tcg_gen_movi_i64(psw_addr, s->next_pc); |
1815 |
tcg_gen_exit_tb((tcg_target_long)s->tb + 0);
|
1816 |
|
1817 |
gen_set_label(lab); |
1818 |
if (is_imm) {
|
1819 |
tcg_gen_movi_i64(psw_addr, dest); |
1820 |
} |
1821 |
ret = EXIT_PC_UPDATED; |
1822 |
} |
1823 |
} else {
|
1824 |
/* Fallthru cannot use goto_tb. This by itself is vanishingly rare.
|
1825 |
Most commonly we're single-stepping or some other condition that
|
1826 |
disables all use of goto_tb. Just update the PC and exit. */
|
1827 |
|
1828 |
TCGv_i64 next = tcg_const_i64(s->next_pc); |
1829 |
if (is_imm) {
|
1830 |
cdest = tcg_const_i64(dest); |
1831 |
} |
1832 |
|
1833 |
if (c->is_64) {
|
1834 |
tcg_gen_movcond_i64(c->cond, psw_addr, c->u.s64.a, c->u.s64.b, |
1835 |
cdest, next); |
1836 |
} else {
|
1837 |
TCGv_i32 t0 = tcg_temp_new_i32(); |
1838 |
TCGv_i64 t1 = tcg_temp_new_i64(); |
1839 |
TCGv_i64 z = tcg_const_i64(0);
|
1840 |
tcg_gen_setcond_i32(c->cond, t0, c->u.s32.a, c->u.s32.b); |
1841 |
tcg_gen_extu_i32_i64(t1, t0); |
1842 |
tcg_temp_free_i32(t0); |
1843 |
tcg_gen_movcond_i64(TCG_COND_NE, psw_addr, t1, z, cdest, next); |
1844 |
tcg_temp_free_i64(t1); |
1845 |
tcg_temp_free_i64(z); |
1846 |
} |
1847 |
|
1848 |
if (is_imm) {
|
1849 |
tcg_temp_free_i64(cdest); |
1850 |
} |
1851 |
tcg_temp_free_i64(next); |
1852 |
|
1853 |
ret = EXIT_PC_UPDATED; |
1854 |
} |
1855 |
|
1856 |
egress:
|
1857 |
free_compare(c); |
1858 |
return ret;
|
1859 |
} |
1860 |
|
1861 |
/* ====================================================================== */
|
1862 |
/* The operations. These perform the bulk of the work for any insn,
|
1863 |
usually after the operands have been loaded and output initialized. */
|
1864 |
|
1865 |
static ExitStatus op_abs(DisasContext *s, DisasOps *o)
|
1866 |
{ |
1867 |
gen_helper_abs_i64(o->out, o->in2); |
1868 |
return NO_EXIT;
|
1869 |
} |
1870 |
|
1871 |
static ExitStatus op_absf32(DisasContext *s, DisasOps *o)
|
1872 |
{ |
1873 |
tcg_gen_andi_i64(o->out, o->in2, 0x7fffffffull);
|
1874 |
return NO_EXIT;
|
1875 |
} |
1876 |
|
1877 |
static ExitStatus op_absf64(DisasContext *s, DisasOps *o)
|
1878 |
{ |
1879 |
tcg_gen_andi_i64(o->out, o->in2, 0x7fffffffffffffffull);
|
1880 |
return NO_EXIT;
|
1881 |
} |
1882 |
|
1883 |
static ExitStatus op_absf128(DisasContext *s, DisasOps *o)
|
1884 |
{ |
1885 |
tcg_gen_andi_i64(o->out, o->in1, 0x7fffffffffffffffull);
|
1886 |
tcg_gen_mov_i64(o->out2, o->in2); |
1887 |
return NO_EXIT;
|
1888 |
} |
1889 |
|
1890 |
static ExitStatus op_add(DisasContext *s, DisasOps *o)
|
1891 |
{ |
1892 |
tcg_gen_add_i64(o->out, o->in1, o->in2); |
1893 |
return NO_EXIT;
|
1894 |
} |
1895 |
|
1896 |
static ExitStatus op_addc(DisasContext *s, DisasOps *o)
|
1897 |
{ |
1898 |
TCGv_i64 cc; |
1899 |
|
1900 |
tcg_gen_add_i64(o->out, o->in1, o->in2); |
1901 |
|
1902 |
/* XXX possible optimization point */
|
1903 |
gen_op_calc_cc(s); |
1904 |
cc = tcg_temp_new_i64(); |
1905 |
tcg_gen_extu_i32_i64(cc, cc_op); |
1906 |
tcg_gen_shri_i64(cc, cc, 1);
|
1907 |
|
1908 |
tcg_gen_add_i64(o->out, o->out, cc); |
1909 |
tcg_temp_free_i64(cc); |
1910 |
return NO_EXIT;
|
1911 |
} |
1912 |
|
1913 |
static ExitStatus op_aeb(DisasContext *s, DisasOps *o)
|
1914 |
{ |
1915 |
gen_helper_aeb(o->out, cpu_env, o->in1, o->in2); |
1916 |
return NO_EXIT;
|
1917 |
} |
1918 |
|
1919 |
static ExitStatus op_adb(DisasContext *s, DisasOps *o)
|
1920 |
{ |
1921 |
gen_helper_adb(o->out, cpu_env, o->in1, o->in2); |
1922 |
return NO_EXIT;
|
1923 |
} |
1924 |
|
1925 |
static ExitStatus op_axb(DisasContext *s, DisasOps *o)
|
1926 |
{ |
1927 |
gen_helper_axb(o->out, cpu_env, o->out, o->out2, o->in1, o->in2); |
1928 |
return_low128(o->out2); |
1929 |
return NO_EXIT;
|
1930 |
} |
1931 |
|
1932 |
static ExitStatus op_and(DisasContext *s, DisasOps *o)
|
1933 |
{ |
1934 |
tcg_gen_and_i64(o->out, o->in1, o->in2); |
1935 |
return NO_EXIT;
|
1936 |
} |
1937 |
|
1938 |
static ExitStatus op_andi(DisasContext *s, DisasOps *o)
|
1939 |
{ |
1940 |
int shift = s->insn->data & 0xff; |
1941 |
int size = s->insn->data >> 8; |
1942 |
uint64_t mask = ((1ull << size) - 1) << shift; |
1943 |
|
1944 |
assert(!o->g_in2); |
1945 |
tcg_gen_shli_i64(o->in2, o->in2, shift); |
1946 |
tcg_gen_ori_i64(o->in2, o->in2, ~mask); |
1947 |
tcg_gen_and_i64(o->out, o->in1, o->in2); |
1948 |
|
1949 |
/* Produce the CC from only the bits manipulated. */
|
1950 |
tcg_gen_andi_i64(cc_dst, o->out, mask); |
1951 |
set_cc_nz_u64(s, cc_dst); |
1952 |
return NO_EXIT;
|
1953 |
} |
1954 |
|
1955 |
static ExitStatus op_bas(DisasContext *s, DisasOps *o)
|
1956 |
{ |
1957 |
tcg_gen_movi_i64(o->out, pc_to_link_info(s, s->next_pc)); |
1958 |
if (!TCGV_IS_UNUSED_I64(o->in2)) {
|
1959 |
tcg_gen_mov_i64(psw_addr, o->in2); |
1960 |
return EXIT_PC_UPDATED;
|
1961 |
} else {
|
1962 |
return NO_EXIT;
|
1963 |
} |
1964 |
} |
1965 |
|
1966 |
static ExitStatus op_basi(DisasContext *s, DisasOps *o)
|
1967 |
{ |
1968 |
tcg_gen_movi_i64(o->out, pc_to_link_info(s, s->next_pc)); |
1969 |
return help_goto_direct(s, s->pc + 2 * get_field(s->fields, i2)); |
1970 |
} |
1971 |
|
1972 |
static ExitStatus op_bc(DisasContext *s, DisasOps *o)
|
1973 |
{ |
1974 |
int m1 = get_field(s->fields, m1);
|
1975 |
bool is_imm = have_field(s->fields, i2);
|
1976 |
int imm = is_imm ? get_field(s->fields, i2) : 0; |
1977 |
DisasCompare c; |
1978 |
|
1979 |
disas_jcc(s, &c, m1); |
1980 |
return help_branch(s, &c, is_imm, imm, o->in2);
|
1981 |
} |
1982 |
|
1983 |
static ExitStatus op_bct32(DisasContext *s, DisasOps *o)
|
1984 |
{ |
1985 |
int r1 = get_field(s->fields, r1);
|
1986 |
bool is_imm = have_field(s->fields, i2);
|
1987 |
int imm = is_imm ? get_field(s->fields, i2) : 0; |
1988 |
DisasCompare c; |
1989 |
TCGv_i64 t; |
1990 |
|
1991 |
c.cond = TCG_COND_NE; |
1992 |
c.is_64 = false;
|
1993 |
c.g1 = false;
|
1994 |
c.g2 = false;
|
1995 |
|
1996 |
t = tcg_temp_new_i64(); |
1997 |
tcg_gen_subi_i64(t, regs[r1], 1);
|
1998 |
store_reg32_i64(r1, t); |
1999 |
c.u.s32.a = tcg_temp_new_i32(); |
2000 |
c.u.s32.b = tcg_const_i32(0);
|
2001 |
tcg_gen_trunc_i64_i32(c.u.s32.a, t); |
2002 |
tcg_temp_free_i64(t); |
2003 |
|
2004 |
return help_branch(s, &c, is_imm, imm, o->in2);
|
2005 |
} |
2006 |
|
2007 |
static ExitStatus op_bct64(DisasContext *s, DisasOps *o)
|
2008 |
{ |
2009 |
int r1 = get_field(s->fields, r1);
|
2010 |
bool is_imm = have_field(s->fields, i2);
|
2011 |
int imm = is_imm ? get_field(s->fields, i2) : 0; |
2012 |
DisasCompare c; |
2013 |
|
2014 |
c.cond = TCG_COND_NE; |
2015 |
c.is_64 = true;
|
2016 |
c.g1 = true;
|
2017 |
c.g2 = false;
|
2018 |
|
2019 |
tcg_gen_subi_i64(regs[r1], regs[r1], 1);
|
2020 |
c.u.s64.a = regs[r1]; |
2021 |
c.u.s64.b = tcg_const_i64(0);
|
2022 |
|
2023 |
return help_branch(s, &c, is_imm, imm, o->in2);
|
2024 |
} |
2025 |
|
2026 |
static ExitStatus op_ceb(DisasContext *s, DisasOps *o)
|
2027 |
{ |
2028 |
gen_helper_ceb(cc_op, cpu_env, o->in1, o->in2); |
2029 |
set_cc_static(s); |
2030 |
return NO_EXIT;
|
2031 |
} |
2032 |
|
2033 |
static ExitStatus op_cdb(DisasContext *s, DisasOps *o)
|
2034 |
{ |
2035 |
gen_helper_cdb(cc_op, cpu_env, o->in1, o->in2); |
2036 |
set_cc_static(s); |
2037 |
return NO_EXIT;
|
2038 |
} |
2039 |
|
2040 |
static ExitStatus op_cxb(DisasContext *s, DisasOps *o)
|
2041 |
{ |
2042 |
gen_helper_cxb(cc_op, cpu_env, o->out, o->out2, o->in1, o->in2); |
2043 |
set_cc_static(s); |
2044 |
return NO_EXIT;
|
2045 |
} |
2046 |
|
2047 |
static ExitStatus op_cfeb(DisasContext *s, DisasOps *o)
|
2048 |
{ |
2049 |
TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3)); |
2050 |
gen_helper_cfeb(o->out, cpu_env, o->in2, m3); |
2051 |
tcg_temp_free_i32(m3); |
2052 |
gen_set_cc_nz_f32(s, o->in2); |
2053 |
return NO_EXIT;
|
2054 |
} |
2055 |
|
2056 |
static ExitStatus op_cfdb(DisasContext *s, DisasOps *o)
|
2057 |
{ |
2058 |
TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3)); |
2059 |
gen_helper_cfdb(o->out, cpu_env, o->in2, m3); |
2060 |
tcg_temp_free_i32(m3); |
2061 |
gen_set_cc_nz_f64(s, o->in2); |
2062 |
return NO_EXIT;
|
2063 |
} |
2064 |
|
2065 |
static ExitStatus op_cfxb(DisasContext *s, DisasOps *o)
|
2066 |
{ |
2067 |
TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3)); |
2068 |
gen_helper_cfxb(o->out, cpu_env, o->in1, o->in2, m3); |
2069 |
tcg_temp_free_i32(m3); |
2070 |
gen_set_cc_nz_f128(s, o->in1, o->in2); |
2071 |
return NO_EXIT;
|
2072 |
} |
2073 |
|
2074 |
static ExitStatus op_cgeb(DisasContext *s, DisasOps *o)
|
2075 |
{ |
2076 |
TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3)); |
2077 |
gen_helper_cgeb(o->out, cpu_env, o->in2, m3); |
2078 |
tcg_temp_free_i32(m3); |
2079 |
gen_set_cc_nz_f32(s, o->in2); |
2080 |
return NO_EXIT;
|
2081 |
} |
2082 |
|
2083 |
static ExitStatus op_cgdb(DisasContext *s, DisasOps *o)
|
2084 |
{ |
2085 |
TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3)); |
2086 |
gen_helper_cgdb(o->out, cpu_env, o->in2, m3); |
2087 |
tcg_temp_free_i32(m3); |
2088 |
gen_set_cc_nz_f64(s, o->in2); |
2089 |
return NO_EXIT;
|
2090 |
} |
2091 |
|
2092 |
static ExitStatus op_cgxb(DisasContext *s, DisasOps *o)
|
2093 |
{ |
2094 |
TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3)); |
2095 |
gen_helper_cgxb(o->out, cpu_env, o->in1, o->in2, m3); |
2096 |
tcg_temp_free_i32(m3); |
2097 |
gen_set_cc_nz_f128(s, o->in1, o->in2); |
2098 |
return NO_EXIT;
|
2099 |
} |
2100 |
|
2101 |
static ExitStatus op_cegb(DisasContext *s, DisasOps *o)
|
2102 |
{ |
2103 |
TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3)); |
2104 |
gen_helper_cegb(o->out, cpu_env, o->in2, m3); |
2105 |
tcg_temp_free_i32(m3); |
2106 |
return NO_EXIT;
|
2107 |
} |
2108 |
|
2109 |
static ExitStatus op_cdgb(DisasContext *s, DisasOps *o)
|
2110 |
{ |
2111 |
TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3)); |
2112 |
gen_helper_cdgb(o->out, cpu_env, o->in2, m3); |
2113 |
tcg_temp_free_i32(m3); |
2114 |
return NO_EXIT;
|
2115 |
} |
2116 |
|
2117 |
static ExitStatus op_cxgb(DisasContext *s, DisasOps *o)
|
2118 |
{ |
2119 |
TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3)); |
2120 |
gen_helper_cxgb(o->out, cpu_env, o->in2, m3); |
2121 |
tcg_temp_free_i32(m3); |
2122 |
return_low128(o->out2); |
2123 |
return NO_EXIT;
|
2124 |
} |
2125 |
|
2126 |
static ExitStatus op_clc(DisasContext *s, DisasOps *o)
|
2127 |
{ |
2128 |
int l = get_field(s->fields, l1);
|
2129 |
TCGv_i32 vl; |
2130 |
|
2131 |
switch (l + 1) { |
2132 |
case 1: |
2133 |
tcg_gen_qemu_ld8u(cc_src, o->addr1, get_mem_index(s)); |
2134 |
tcg_gen_qemu_ld8u(cc_dst, o->in2, get_mem_index(s)); |
2135 |
break;
|
2136 |
case 2: |
2137 |
tcg_gen_qemu_ld16u(cc_src, o->addr1, get_mem_index(s)); |
2138 |
tcg_gen_qemu_ld16u(cc_dst, o->in2, get_mem_index(s)); |
2139 |
break;
|
2140 |
case 4: |
2141 |
tcg_gen_qemu_ld32u(cc_src, o->addr1, get_mem_index(s)); |
2142 |
tcg_gen_qemu_ld32u(cc_dst, o->in2, get_mem_index(s)); |
2143 |
break;
|
2144 |
case 8: |
2145 |
tcg_gen_qemu_ld64(cc_src, o->addr1, get_mem_index(s)); |
2146 |
tcg_gen_qemu_ld64(cc_dst, o->in2, get_mem_index(s)); |
2147 |
break;
|
2148 |
default:
|
2149 |
potential_page_fault(s); |
2150 |
vl = tcg_const_i32(l); |
2151 |
gen_helper_clc(cc_op, cpu_env, vl, o->addr1, o->in2); |
2152 |
tcg_temp_free_i32(vl); |
2153 |
set_cc_static(s); |
2154 |
return NO_EXIT;
|
2155 |
} |
2156 |
gen_op_update2_cc_i64(s, CC_OP_LTUGTU_64, cc_src, cc_dst); |
2157 |
return NO_EXIT;
|
2158 |
} |
2159 |
|
2160 |
static ExitStatus op_clcle(DisasContext *s, DisasOps *o)
|
2161 |
{ |
2162 |
TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1)); |
2163 |
TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3)); |
2164 |
potential_page_fault(s); |
2165 |
gen_helper_clcle(cc_op, cpu_env, r1, o->in2, r3); |
2166 |
tcg_temp_free_i32(r1); |
2167 |
tcg_temp_free_i32(r3); |
2168 |
set_cc_static(s); |
2169 |
return NO_EXIT;
|
2170 |
} |
2171 |
|
2172 |
static ExitStatus op_clm(DisasContext *s, DisasOps *o)
|
2173 |
{ |
2174 |
TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3)); |
2175 |
TCGv_i32 t1 = tcg_temp_new_i32(); |
2176 |
tcg_gen_trunc_i64_i32(t1, o->in1); |
2177 |
potential_page_fault(s); |
2178 |
gen_helper_clm(cc_op, cpu_env, t1, m3, o->in2); |
2179 |
set_cc_static(s); |
2180 |
tcg_temp_free_i32(t1); |
2181 |
tcg_temp_free_i32(m3); |
2182 |
return NO_EXIT;
|
2183 |
} |
2184 |
|
2185 |
static ExitStatus op_cs(DisasContext *s, DisasOps *o)
|
2186 |
{ |
2187 |
int r3 = get_field(s->fields, r3);
|
2188 |
potential_page_fault(s); |
2189 |
gen_helper_cs(o->out, cpu_env, o->in1, o->in2, regs[r3]); |
2190 |
set_cc_static(s); |
2191 |
return NO_EXIT;
|
2192 |
} |
2193 |
|
2194 |
static ExitStatus op_csg(DisasContext *s, DisasOps *o)
|
2195 |
{ |
2196 |
int r3 = get_field(s->fields, r3);
|
2197 |
potential_page_fault(s); |
2198 |
gen_helper_csg(o->out, cpu_env, o->in1, o->in2, regs[r3]); |
2199 |
set_cc_static(s); |
2200 |
return NO_EXIT;
|
2201 |
} |
2202 |
|
2203 |
static ExitStatus op_cds(DisasContext *s, DisasOps *o)
|
2204 |
{ |
2205 |
int r3 = get_field(s->fields, r3);
|
2206 |
TCGv_i64 in3 = tcg_temp_new_i64(); |
2207 |
tcg_gen_deposit_i64(in3, regs[r3 + 1], regs[r3], 32, 32); |
2208 |
potential_page_fault(s); |
2209 |
gen_helper_csg(o->out, cpu_env, o->in1, o->in2, in3); |
2210 |
tcg_temp_free_i64(in3); |
2211 |
set_cc_static(s); |
2212 |
return NO_EXIT;
|
2213 |
} |
2214 |
|
2215 |
static ExitStatus op_cdsg(DisasContext *s, DisasOps *o)
|
2216 |
{ |
2217 |
TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1)); |
2218 |
TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3)); |
2219 |
potential_page_fault(s); |
2220 |
/* XXX rewrite in tcg */
|
2221 |
gen_helper_cdsg(cc_op, cpu_env, r1, o->in2, r3); |
2222 |
set_cc_static(s); |
2223 |
return NO_EXIT;
|
2224 |
} |
2225 |
|
2226 |
static ExitStatus op_cvd(DisasContext *s, DisasOps *o)
|
2227 |
{ |
2228 |
TCGv_i64 t1 = tcg_temp_new_i64(); |
2229 |
TCGv_i32 t2 = tcg_temp_new_i32(); |
2230 |
tcg_gen_trunc_i64_i32(t2, o->in1); |
2231 |
gen_helper_cvd(t1, t2); |
2232 |
tcg_temp_free_i32(t2); |
2233 |
tcg_gen_qemu_st64(t1, o->in2, get_mem_index(s)); |
2234 |
tcg_temp_free_i64(t1); |
2235 |
return NO_EXIT;
|
2236 |
} |
2237 |
|
2238 |
#ifndef CONFIG_USER_ONLY
|
2239 |
static ExitStatus op_diag(DisasContext *s, DisasOps *o)
|
2240 |
{ |
2241 |
TCGv_i32 tmp; |
2242 |
|
2243 |
check_privileged(s); |
2244 |
potential_page_fault(s); |
2245 |
|
2246 |
/* We pretend the format is RX_a so that D2 is the field we want. */
|
2247 |
tmp = tcg_const_i32(get_field(s->fields, d2) & 0xfff);
|
2248 |
gen_helper_diag(regs[2], cpu_env, tmp, regs[2], regs[1]); |
2249 |
tcg_temp_free_i32(tmp); |
2250 |
return NO_EXIT;
|
2251 |
} |
2252 |
#endif
|
2253 |
|
2254 |
static ExitStatus op_divs32(DisasContext *s, DisasOps *o)
|
2255 |
{ |
2256 |
gen_helper_divs32(o->out2, cpu_env, o->in1, o->in2); |
2257 |
return_low128(o->out); |
2258 |
return NO_EXIT;
|
2259 |
} |
2260 |
|
2261 |
static ExitStatus op_divu32(DisasContext *s, DisasOps *o)
|
2262 |
{ |
2263 |
gen_helper_divu32(o->out2, cpu_env, o->in1, o->in2); |
2264 |
return_low128(o->out); |
2265 |
return NO_EXIT;
|
2266 |
} |
2267 |
|
2268 |
static ExitStatus op_divs64(DisasContext *s, DisasOps *o)
|
2269 |
{ |
2270 |
gen_helper_divs64(o->out2, cpu_env, o->in1, o->in2); |
2271 |
return_low128(o->out); |
2272 |
return NO_EXIT;
|
2273 |
} |
2274 |
|
2275 |
static ExitStatus op_divu64(DisasContext *s, DisasOps *o)
|
2276 |
{ |
2277 |
gen_helper_divu64(o->out2, cpu_env, o->out, o->out2, o->in2); |
2278 |
return_low128(o->out); |
2279 |
return NO_EXIT;
|
2280 |
} |
2281 |
|
2282 |
static ExitStatus op_deb(DisasContext *s, DisasOps *o)
|
2283 |
{ |
2284 |
gen_helper_deb(o->out, cpu_env, o->in1, o->in2); |
2285 |
return NO_EXIT;
|
2286 |
} |
2287 |
|
2288 |
static ExitStatus op_ddb(DisasContext *s, DisasOps *o)
|
2289 |
{ |
2290 |
gen_helper_ddb(o->out, cpu_env, o->in1, o->in2); |
2291 |
return NO_EXIT;
|
2292 |
} |
2293 |
|
2294 |
static ExitStatus op_dxb(DisasContext *s, DisasOps *o)
|
2295 |
{ |
2296 |
gen_helper_dxb(o->out, cpu_env, o->out, o->out2, o->in1, o->in2); |
2297 |
return_low128(o->out2); |
2298 |
return NO_EXIT;
|
2299 |
} |
2300 |
|
2301 |
static ExitStatus op_efpc(DisasContext *s, DisasOps *o)
|
2302 |
{ |
2303 |
tcg_gen_ld32u_i64(o->out, cpu_env, offsetof(CPUS390XState, fpc)); |
2304 |
return NO_EXIT;
|
2305 |
} |
2306 |
|
2307 |
static ExitStatus op_ex(DisasContext *s, DisasOps *o)
|
2308 |
{ |
2309 |
/* ??? Perhaps a better way to implement EXECUTE is to set a bit in
|
2310 |
tb->flags, (ab)use the tb->cs_base field as the address of
|
2311 |
the template in memory, and grab 8 bits of tb->flags/cflags for
|
2312 |
the contents of the register. We would then recognize all this
|
2313 |
in gen_intermediate_code_internal, generating code for exactly
|
2314 |
one instruction. This new TB then gets executed normally.
|
2315 |
|
2316 |
On the other hand, this seems to be mostly used for modifying
|
2317 |
MVC inside of memcpy, which needs a helper call anyway. So
|
2318 |
perhaps this doesn't bear thinking about any further. */
|
2319 |
|
2320 |
TCGv_i64 tmp; |
2321 |
|
2322 |
update_psw_addr(s); |
2323 |
gen_op_calc_cc(s); |
2324 |
|
2325 |
tmp = tcg_const_i64(s->next_pc); |
2326 |
gen_helper_ex(cc_op, cpu_env, cc_op, o->in1, o->in2, tmp); |
2327 |
tcg_temp_free_i64(tmp); |
2328 |
|
2329 |
set_cc_static(s); |
2330 |
return NO_EXIT;
|
2331 |
} |
2332 |
|
2333 |
static ExitStatus op_icm(DisasContext *s, DisasOps *o)
|
2334 |
{ |
2335 |
int m3 = get_field(s->fields, m3);
|
2336 |
int pos, len, base = s->insn->data;
|
2337 |
TCGv_i64 tmp = tcg_temp_new_i64(); |
2338 |
uint64_t ccm; |
2339 |
|
2340 |
switch (m3) {
|
2341 |
case 0xf: |
2342 |
/* Effectively a 32-bit load. */
|
2343 |
tcg_gen_qemu_ld32u(tmp, o->in2, get_mem_index(s)); |
2344 |
len = 32;
|
2345 |
goto one_insert;
|
2346 |
|
2347 |
case 0xc: |
2348 |
case 0x6: |
2349 |
case 0x3: |
2350 |
/* Effectively a 16-bit load. */
|
2351 |
tcg_gen_qemu_ld16u(tmp, o->in2, get_mem_index(s)); |
2352 |
len = 16;
|
2353 |
goto one_insert;
|
2354 |
|
2355 |
case 0x8: |
2356 |
case 0x4: |
2357 |
case 0x2: |
2358 |
case 0x1: |
2359 |
/* Effectively an 8-bit load. */
|
2360 |
tcg_gen_qemu_ld8u(tmp, o->in2, get_mem_index(s)); |
2361 |
len = 8;
|
2362 |
goto one_insert;
|
2363 |
|
2364 |
one_insert:
|
2365 |
pos = base + ctz32(m3) * 8;
|
2366 |
tcg_gen_deposit_i64(o->out, o->out, tmp, pos, len); |
2367 |
ccm = ((1ull << len) - 1) << pos; |
2368 |
break;
|
2369 |
|
2370 |
default:
|
2371 |
/* This is going to be a sequence of loads and inserts. */
|
2372 |
pos = base + 32 - 8; |
2373 |
ccm = 0;
|
2374 |
while (m3) {
|
2375 |
if (m3 & 0x8) { |
2376 |
tcg_gen_qemu_ld8u(tmp, o->in2, get_mem_index(s)); |
2377 |
tcg_gen_addi_i64(o->in2, o->in2, 1);
|
2378 |
tcg_gen_deposit_i64(o->out, o->out, tmp, pos, 8);
|
2379 |
ccm |= 0xff << pos;
|
2380 |
} |
2381 |
m3 = (m3 << 1) & 0xf; |
2382 |
pos -= 8;
|
2383 |
} |
2384 |
break;
|
2385 |
} |
2386 |
|
2387 |
tcg_gen_movi_i64(tmp, ccm); |
2388 |
gen_op_update2_cc_i64(s, CC_OP_ICM, tmp, o->out); |
2389 |
tcg_temp_free_i64(tmp); |
2390 |
return NO_EXIT;
|
2391 |
} |
2392 |
|
2393 |
static ExitStatus op_insi(DisasContext *s, DisasOps *o)
|
2394 |
{ |
2395 |
int shift = s->insn->data & 0xff; |
2396 |
int size = s->insn->data >> 8; |
2397 |
tcg_gen_deposit_i64(o->out, o->in1, o->in2, shift, size); |
2398 |
return NO_EXIT;
|
2399 |
} |
2400 |
|
2401 |
static ExitStatus op_ldeb(DisasContext *s, DisasOps *o)
|
2402 |
{ |
2403 |
gen_helper_ldeb(o->out, cpu_env, o->in2); |
2404 |
return NO_EXIT;
|
2405 |
} |
2406 |
|
2407 |
static ExitStatus op_ledb(DisasContext *s, DisasOps *o)
|
2408 |
{ |
2409 |
gen_helper_ledb(o->out, cpu_env, o->in2); |
2410 |
return NO_EXIT;
|
2411 |
} |
2412 |
|
2413 |
static ExitStatus op_ldxb(DisasContext *s, DisasOps *o)
|
2414 |
{ |
2415 |
gen_helper_ldxb(o->out, cpu_env, o->in1, o->in2); |
2416 |
return NO_EXIT;
|
2417 |
} |
2418 |
|
2419 |
static ExitStatus op_lexb(DisasContext *s, DisasOps *o)
|
2420 |
{ |
2421 |
gen_helper_lexb(o->out, cpu_env, o->in1, o->in2); |
2422 |
return NO_EXIT;
|
2423 |
} |
2424 |
|
2425 |
static ExitStatus op_lxdb(DisasContext *s, DisasOps *o)
|
2426 |
{ |
2427 |
gen_helper_lxdb(o->out, cpu_env, o->in2); |
2428 |
return_low128(o->out2); |
2429 |
return NO_EXIT;
|
2430 |
} |
2431 |
|
2432 |
static ExitStatus op_lxeb(DisasContext *s, DisasOps *o)
|
2433 |
{ |
2434 |
gen_helper_lxeb(o->out, cpu_env, o->in2); |
2435 |
return_low128(o->out2); |
2436 |
return NO_EXIT;
|
2437 |
} |
2438 |
|
2439 |
static ExitStatus op_llgt(DisasContext *s, DisasOps *o)
|
2440 |
{ |
2441 |
tcg_gen_andi_i64(o->out, o->in2, 0x7fffffff);
|
2442 |
return NO_EXIT;
|
2443 |
} |
2444 |
|
2445 |
static ExitStatus op_ld8s(DisasContext *s, DisasOps *o)
|
2446 |
{ |
2447 |
tcg_gen_qemu_ld8s(o->out, o->in2, get_mem_index(s)); |
2448 |
return NO_EXIT;
|
2449 |
} |
2450 |
|
2451 |
static ExitStatus op_ld8u(DisasContext *s, DisasOps *o)
|
2452 |
{ |
2453 |
tcg_gen_qemu_ld8u(o->out, o->in2, get_mem_index(s)); |
2454 |
return NO_EXIT;
|
2455 |
} |
2456 |
|
2457 |
static ExitStatus op_ld16s(DisasContext *s, DisasOps *o)
|
2458 |
{ |
2459 |
tcg_gen_qemu_ld16s(o->out, o->in2, get_mem_index(s)); |
2460 |
return NO_EXIT;
|
2461 |
} |
2462 |
|
2463 |
static ExitStatus op_ld16u(DisasContext *s, DisasOps *o)
|
2464 |
{ |
2465 |
tcg_gen_qemu_ld16u(o->out, o->in2, get_mem_index(s)); |
2466 |
return NO_EXIT;
|
2467 |
} |
2468 |
|
2469 |
static ExitStatus op_ld32s(DisasContext *s, DisasOps *o)
|
2470 |
{ |
2471 |
tcg_gen_qemu_ld32s(o->out, o->in2, get_mem_index(s)); |
2472 |
return NO_EXIT;
|
2473 |
} |
2474 |
|
2475 |
static ExitStatus op_ld32u(DisasContext *s, DisasOps *o)
|
2476 |
{ |
2477 |
tcg_gen_qemu_ld32u(o->out, o->in2, get_mem_index(s)); |
2478 |
return NO_EXIT;
|
2479 |
} |
2480 |
|
2481 |
static ExitStatus op_ld64(DisasContext *s, DisasOps *o)
|
2482 |
{ |
2483 |
tcg_gen_qemu_ld64(o->out, o->in2, get_mem_index(s)); |
2484 |
return NO_EXIT;
|
2485 |
} |
2486 |
|
2487 |
#ifndef CONFIG_USER_ONLY
|
2488 |
static ExitStatus op_lctl(DisasContext *s, DisasOps *o)
|
2489 |
{ |
2490 |
TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1)); |
2491 |
TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3)); |
2492 |
check_privileged(s); |
2493 |
potential_page_fault(s); |
2494 |
gen_helper_lctl(cpu_env, r1, o->in2, r3); |
2495 |
tcg_temp_free_i32(r1); |
2496 |
tcg_temp_free_i32(r3); |
2497 |
return NO_EXIT;
|
2498 |
} |
2499 |
|
2500 |
static ExitStatus op_lctlg(DisasContext *s, DisasOps *o)
|
2501 |
{ |
2502 |
TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1)); |
2503 |
TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3)); |
2504 |
check_privileged(s); |
2505 |
potential_page_fault(s); |
2506 |
gen_helper_lctlg(cpu_env, r1, o->in2, r3); |
2507 |
tcg_temp_free_i32(r1); |
2508 |
tcg_temp_free_i32(r3); |
2509 |
return NO_EXIT;
|
2510 |
} |
2511 |
static ExitStatus op_lra(DisasContext *s, DisasOps *o)
|
2512 |
{ |
2513 |
check_privileged(s); |
2514 |
potential_page_fault(s); |
2515 |
gen_helper_lra(o->out, cpu_env, o->in2); |
2516 |
set_cc_static(s); |
2517 |
return NO_EXIT;
|
2518 |
} |
2519 |
|
2520 |
static ExitStatus op_lpsw(DisasContext *s, DisasOps *o)
|
2521 |
{ |
2522 |
TCGv_i64 t1, t2; |
2523 |
|
2524 |
check_privileged(s); |
2525 |
|
2526 |
t1 = tcg_temp_new_i64(); |
2527 |
t2 = tcg_temp_new_i64(); |
2528 |
tcg_gen_qemu_ld32u(t1, o->in2, get_mem_index(s)); |
2529 |
tcg_gen_addi_i64(o->in2, o->in2, 4);
|
2530 |
tcg_gen_qemu_ld32u(t2, o->in2, get_mem_index(s)); |
2531 |
/* Convert the 32-bit PSW_MASK into the 64-bit PSW_MASK. */
|
2532 |
tcg_gen_shli_i64(t1, t1, 32);
|
2533 |
gen_helper_load_psw(cpu_env, t1, t2); |
2534 |
tcg_temp_free_i64(t1); |
2535 |
tcg_temp_free_i64(t2); |
2536 |
return EXIT_NORETURN;
|
2537 |
} |
2538 |
#endif
|
2539 |
|
2540 |
static ExitStatus op_lam(DisasContext *s, DisasOps *o)
|
2541 |
{ |
2542 |
TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1)); |
2543 |
TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3)); |
2544 |
potential_page_fault(s); |
2545 |
gen_helper_lam(cpu_env, r1, o->in2, r3); |
2546 |
tcg_temp_free_i32(r1); |
2547 |
tcg_temp_free_i32(r3); |
2548 |
return NO_EXIT;
|
2549 |
} |
2550 |
|
2551 |
static ExitStatus op_lm32(DisasContext *s, DisasOps *o)
|
2552 |
{ |
2553 |
int r1 = get_field(s->fields, r1);
|
2554 |
int r3 = get_field(s->fields, r3);
|
2555 |
TCGv_i64 t = tcg_temp_new_i64(); |
2556 |
TCGv_i64 t4 = tcg_const_i64(4);
|
2557 |
|
2558 |
while (1) { |
2559 |
tcg_gen_qemu_ld32u(t, o->in2, get_mem_index(s)); |
2560 |
store_reg32_i64(r1, t); |
2561 |
if (r1 == r3) {
|
2562 |
break;
|
2563 |
} |
2564 |
tcg_gen_add_i64(o->in2, o->in2, t4); |
2565 |
r1 = (r1 + 1) & 15; |
2566 |
} |
2567 |
|
2568 |
tcg_temp_free_i64(t); |
2569 |
tcg_temp_free_i64(t4); |
2570 |
return NO_EXIT;
|
2571 |
} |
2572 |
|
2573 |
static ExitStatus op_lmh(DisasContext *s, DisasOps *o)
|
2574 |
{ |
2575 |
int r1 = get_field(s->fields, r1);
|
2576 |
int r3 = get_field(s->fields, r3);
|
2577 |
TCGv_i64 t = tcg_temp_new_i64(); |
2578 |
TCGv_i64 t4 = tcg_const_i64(4);
|
2579 |
|
2580 |
while (1) { |
2581 |
tcg_gen_qemu_ld32u(t, o->in2, get_mem_index(s)); |
2582 |
store_reg32h_i64(r1, t); |
2583 |
if (r1 == r3) {
|
2584 |
break;
|
2585 |
} |
2586 |
tcg_gen_add_i64(o->in2, o->in2, t4); |
2587 |
r1 = (r1 + 1) & 15; |
2588 |
} |
2589 |
|
2590 |
tcg_temp_free_i64(t); |
2591 |
tcg_temp_free_i64(t4); |
2592 |
return NO_EXIT;
|
2593 |
} |
2594 |
|
2595 |
static ExitStatus op_lm64(DisasContext *s, DisasOps *o)
|
2596 |
{ |
2597 |
int r1 = get_field(s->fields, r1);
|
2598 |
int r3 = get_field(s->fields, r3);
|
2599 |
TCGv_i64 t8 = tcg_const_i64(8);
|
2600 |
|
2601 |
while (1) { |
2602 |
tcg_gen_qemu_ld64(regs[r1], o->in2, get_mem_index(s)); |
2603 |
if (r1 == r3) {
|
2604 |
break;
|
2605 |
} |
2606 |
tcg_gen_add_i64(o->in2, o->in2, t8); |
2607 |
r1 = (r1 + 1) & 15; |
2608 |
} |
2609 |
|
2610 |
tcg_temp_free_i64(t8); |
2611 |
return NO_EXIT;
|
2612 |
} |
2613 |
|
2614 |
static ExitStatus op_mov2(DisasContext *s, DisasOps *o)
|
2615 |
{ |
2616 |
o->out = o->in2; |
2617 |
o->g_out = o->g_in2; |
2618 |
TCGV_UNUSED_I64(o->in2); |
2619 |
o->g_in2 = false;
|
2620 |
return NO_EXIT;
|
2621 |
} |
2622 |
|
2623 |
static ExitStatus op_movx(DisasContext *s, DisasOps *o)
|
2624 |
{ |
2625 |
o->out = o->in1; |
2626 |
o->out2 = o->in2; |
2627 |
o->g_out = o->g_in1; |
2628 |
o->g_out2 = o->g_in2; |
2629 |
TCGV_UNUSED_I64(o->in1); |
2630 |
TCGV_UNUSED_I64(o->in2); |
2631 |
o->g_in1 = o->g_in2 = false;
|
2632 |
return NO_EXIT;
|
2633 |
} |
2634 |
|
2635 |
static ExitStatus op_mvc(DisasContext *s, DisasOps *o)
|
2636 |
{ |
2637 |
TCGv_i32 l = tcg_const_i32(get_field(s->fields, l1)); |
2638 |
potential_page_fault(s); |
2639 |
gen_helper_mvc(cpu_env, l, o->addr1, o->in2); |
2640 |
tcg_temp_free_i32(l); |
2641 |
return NO_EXIT;
|
2642 |
} |
2643 |
|
2644 |
static ExitStatus op_mvcl(DisasContext *s, DisasOps *o)
|
2645 |
{ |
2646 |
TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1)); |
2647 |
TCGv_i32 r2 = tcg_const_i32(get_field(s->fields, r2)); |
2648 |
potential_page_fault(s); |
2649 |
gen_helper_mvcl(cc_op, cpu_env, r1, r2); |
2650 |
tcg_temp_free_i32(r1); |
2651 |
tcg_temp_free_i32(r2); |
2652 |
set_cc_static(s); |
2653 |
return NO_EXIT;
|
2654 |
} |
2655 |
|
2656 |
static ExitStatus op_mvcle(DisasContext *s, DisasOps *o)
|
2657 |
{ |
2658 |
TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1)); |
2659 |
TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3)); |
2660 |
potential_page_fault(s); |
2661 |
gen_helper_mvcle(cc_op, cpu_env, r1, o->in2, r3); |
2662 |
tcg_temp_free_i32(r1); |
2663 |
tcg_temp_free_i32(r3); |
2664 |
set_cc_static(s); |
2665 |
return NO_EXIT;
|
2666 |
} |
2667 |
|
2668 |
#ifndef CONFIG_USER_ONLY
|
2669 |
static ExitStatus op_mvcp(DisasContext *s, DisasOps *o)
|
2670 |
{ |
2671 |
int r1 = get_field(s->fields, l1);
|
2672 |
check_privileged(s); |
2673 |
potential_page_fault(s); |
2674 |
gen_helper_mvcp(cc_op, cpu_env, regs[r1], o->addr1, o->in2); |
2675 |
set_cc_static(s); |
2676 |
return NO_EXIT;
|
2677 |
} |
2678 |
|
2679 |
static ExitStatus op_mvcs(DisasContext *s, DisasOps *o)
|
2680 |
{ |
2681 |
int r1 = get_field(s->fields, l1);
|
2682 |
check_privileged(s); |
2683 |
potential_page_fault(s); |
2684 |
gen_helper_mvcs(cc_op, cpu_env, regs[r1], o->addr1, o->in2); |
2685 |
set_cc_static(s); |
2686 |
return NO_EXIT;
|
2687 |
} |
2688 |
#endif
|
2689 |
|
2690 |
static ExitStatus op_mul(DisasContext *s, DisasOps *o)
|
2691 |
{ |
2692 |
tcg_gen_mul_i64(o->out, o->in1, o->in2); |
2693 |
return NO_EXIT;
|
2694 |
} |
2695 |
|
2696 |
static ExitStatus op_mul128(DisasContext *s, DisasOps *o)
|
2697 |
{ |
2698 |
gen_helper_mul128(o->out, cpu_env, o->in1, o->in2); |
2699 |
return_low128(o->out2); |
2700 |
return NO_EXIT;
|
2701 |
} |
2702 |
|
2703 |
static ExitStatus op_meeb(DisasContext *s, DisasOps *o)
|
2704 |
{ |
2705 |
gen_helper_meeb(o->out, cpu_env, o->in1, o->in2); |
2706 |
return NO_EXIT;
|
2707 |
} |
2708 |
|
2709 |
static ExitStatus op_mdeb(DisasContext *s, DisasOps *o)
|
2710 |
{ |
2711 |
gen_helper_mdeb(o->out, cpu_env, o->in1, o->in2); |
2712 |
return NO_EXIT;
|
2713 |
} |
2714 |
|
2715 |
static ExitStatus op_mdb(DisasContext *s, DisasOps *o)
|
2716 |
{ |
2717 |
gen_helper_mdb(o->out, cpu_env, o->in1, o->in2); |
2718 |
return NO_EXIT;
|
2719 |
} |
2720 |
|
2721 |
static ExitStatus op_mxb(DisasContext *s, DisasOps *o)
|
2722 |
{ |
2723 |
gen_helper_mxb(o->out, cpu_env, o->out, o->out2, o->in1, o->in2); |
2724 |
return_low128(o->out2); |
2725 |
return NO_EXIT;
|
2726 |
} |
2727 |
|
2728 |
static ExitStatus op_mxdb(DisasContext *s, DisasOps *o)
|
2729 |
{ |
2730 |
gen_helper_mxdb(o->out, cpu_env, o->out, o->out2, o->in2); |
2731 |
return_low128(o->out2); |
2732 |
return NO_EXIT;
|
2733 |
} |
2734 |
|
2735 |
static ExitStatus op_maeb(DisasContext *s, DisasOps *o)
|
2736 |
{ |
2737 |
TCGv_i64 r3 = load_freg32_i64(get_field(s->fields, r3)); |
2738 |
gen_helper_maeb(o->out, cpu_env, o->in1, o->in2, r3); |
2739 |
tcg_temp_free_i64(r3); |
2740 |
return NO_EXIT;
|
2741 |
} |
2742 |
|
2743 |
static ExitStatus op_madb(DisasContext *s, DisasOps *o)
|
2744 |
{ |
2745 |
int r3 = get_field(s->fields, r3);
|
2746 |
gen_helper_madb(o->out, cpu_env, o->in1, o->in2, fregs[r3]); |
2747 |
return NO_EXIT;
|
2748 |
} |
2749 |
|
2750 |
static ExitStatus op_mseb(DisasContext *s, DisasOps *o)
|
2751 |
{ |
2752 |
TCGv_i64 r3 = load_freg32_i64(get_field(s->fields, r3)); |
2753 |
gen_helper_mseb(o->out, cpu_env, o->in1, o->in2, r3); |
2754 |
tcg_temp_free_i64(r3); |
2755 |
return NO_EXIT;
|
2756 |
} |
2757 |
|
2758 |
static ExitStatus op_msdb(DisasContext *s, DisasOps *o)
|
2759 |
{ |
2760 |
int r3 = get_field(s->fields, r3);
|
2761 |
gen_helper_msdb(o->out, cpu_env, o->in1, o->in2, fregs[r3]); |
2762 |
return NO_EXIT;
|
2763 |
} |
2764 |
|
2765 |
static ExitStatus op_nabs(DisasContext *s, DisasOps *o)
|
2766 |
{ |
2767 |
gen_helper_nabs_i64(o->out, o->in2); |
2768 |
return NO_EXIT;
|
2769 |
} |
2770 |
|
2771 |
static ExitStatus op_nabsf32(DisasContext *s, DisasOps *o)
|
2772 |
{ |
2773 |
tcg_gen_ori_i64(o->out, o->in2, 0x80000000ull);
|
2774 |
return NO_EXIT;
|
2775 |
} |
2776 |
|
2777 |
static ExitStatus op_nabsf64(DisasContext *s, DisasOps *o)
|
2778 |
{ |
2779 |
tcg_gen_ori_i64(o->out, o->in2, 0x8000000000000000ull);
|
2780 |
return NO_EXIT;
|
2781 |
} |
2782 |
|
2783 |
static ExitStatus op_nabsf128(DisasContext *s, DisasOps *o)
|
2784 |
{ |
2785 |
tcg_gen_ori_i64(o->out, o->in1, 0x8000000000000000ull);
|
2786 |
tcg_gen_mov_i64(o->out2, o->in2); |
2787 |
return NO_EXIT;
|
2788 |
} |
2789 |
|
2790 |
static ExitStatus op_nc(DisasContext *s, DisasOps *o)
|
2791 |
{ |
2792 |
TCGv_i32 l = tcg_const_i32(get_field(s->fields, l1)); |
2793 |
potential_page_fault(s); |
2794 |
gen_helper_nc(cc_op, cpu_env, l, o->addr1, o->in2); |
2795 |
tcg_temp_free_i32(l); |
2796 |
set_cc_static(s); |
2797 |
return NO_EXIT;
|
2798 |
} |
2799 |
|
2800 |
static ExitStatus op_neg(DisasContext *s, DisasOps *o)
|
2801 |
{ |
2802 |
tcg_gen_neg_i64(o->out, o->in2); |
2803 |
return NO_EXIT;
|
2804 |
} |
2805 |
|
2806 |
static ExitStatus op_negf32(DisasContext *s, DisasOps *o)
|
2807 |
{ |
2808 |
tcg_gen_xori_i64(o->out, o->in2, 0x80000000ull);
|
2809 |
return NO_EXIT;
|
2810 |
} |
2811 |
|
2812 |
static ExitStatus op_negf64(DisasContext *s, DisasOps *o)
|
2813 |
{ |
2814 |
tcg_gen_xori_i64(o->out, o->in2, 0x8000000000000000ull);
|
2815 |
return NO_EXIT;
|
2816 |
} |
2817 |
|
2818 |
static ExitStatus op_negf128(DisasContext *s, DisasOps *o)
|
2819 |
{ |
2820 |
tcg_gen_xori_i64(o->out, o->in1, 0x8000000000000000ull);
|
2821 |
tcg_gen_mov_i64(o->out2, o->in2); |
2822 |
return NO_EXIT;
|
2823 |
} |
2824 |
|
2825 |
static ExitStatus op_oc(DisasContext *s, DisasOps *o)
|
2826 |
{ |
2827 |
TCGv_i32 l = tcg_const_i32(get_field(s->fields, l1)); |
2828 |
potential_page_fault(s); |
2829 |
gen_helper_oc(cc_op, cpu_env, l, o->addr1, o->in2); |
2830 |
tcg_temp_free_i32(l); |
2831 |
set_cc_static(s); |
2832 |
return NO_EXIT;
|
2833 |
} |
2834 |
|
2835 |
static ExitStatus op_or(DisasContext *s, DisasOps *o)
|
2836 |
{ |
2837 |
tcg_gen_or_i64(o->out, o->in1, o->in2); |
2838 |
return NO_EXIT;
|
2839 |
} |
2840 |
|
2841 |
static ExitStatus op_ori(DisasContext *s, DisasOps *o)
|
2842 |
{ |
2843 |
int shift = s->insn->data & 0xff; |
2844 |
int size = s->insn->data >> 8; |
2845 |
uint64_t mask = ((1ull << size) - 1) << shift; |
2846 |
|
2847 |
assert(!o->g_in2); |
2848 |
tcg_gen_shli_i64(o->in2, o->in2, shift); |
2849 |
tcg_gen_or_i64(o->out, o->in1, o->in2); |
2850 |
|
2851 |
/* Produce the CC from only the bits manipulated. */
|
2852 |
tcg_gen_andi_i64(cc_dst, o->out, mask); |
2853 |
set_cc_nz_u64(s, cc_dst); |
2854 |
return NO_EXIT;
|
2855 |
} |
2856 |
|
2857 |
static ExitStatus op_rev16(DisasContext *s, DisasOps *o)
|
2858 |
{ |
2859 |
tcg_gen_bswap16_i64(o->out, o->in2); |
2860 |
return NO_EXIT;
|
2861 |
} |
2862 |
|
2863 |
static ExitStatus op_rev32(DisasContext *s, DisasOps *o)
|
2864 |
{ |
2865 |
tcg_gen_bswap32_i64(o->out, o->in2); |
2866 |
return NO_EXIT;
|
2867 |
} |
2868 |
|
2869 |
static ExitStatus op_rev64(DisasContext *s, DisasOps *o)
|
2870 |
{ |
2871 |
tcg_gen_bswap64_i64(o->out, o->in2); |
2872 |
return NO_EXIT;
|
2873 |
} |
2874 |
|
2875 |
static ExitStatus op_rll32(DisasContext *s, DisasOps *o)
|
2876 |
{ |
2877 |
TCGv_i32 t1 = tcg_temp_new_i32(); |
2878 |
TCGv_i32 t2 = tcg_temp_new_i32(); |
2879 |
TCGv_i32 to = tcg_temp_new_i32(); |
2880 |
tcg_gen_trunc_i64_i32(t1, o->in1); |
2881 |
tcg_gen_trunc_i64_i32(t2, o->in2); |
2882 |
tcg_gen_rotl_i32(to, t1, t2); |
2883 |
tcg_gen_extu_i32_i64(o->out, to); |
2884 |
tcg_temp_free_i32(t1); |
2885 |
tcg_temp_free_i32(t2); |
2886 |
tcg_temp_free_i32(to); |
2887 |
return NO_EXIT;
|
2888 |
} |
2889 |
|
2890 |
static ExitStatus op_rll64(DisasContext *s, DisasOps *o)
|
2891 |
{ |
2892 |
tcg_gen_rotl_i64(o->out, o->in1, o->in2); |
2893 |
return NO_EXIT;
|
2894 |
} |
2895 |
|
2896 |
static ExitStatus op_seb(DisasContext *s, DisasOps *o)
|
2897 |
{ |
2898 |
gen_helper_seb(o->out, cpu_env, o->in1, o->in2); |
2899 |
return NO_EXIT;
|
2900 |
} |
2901 |
|
2902 |
static ExitStatus op_sdb(DisasContext *s, DisasOps *o)
|
2903 |
{ |
2904 |
gen_helper_sdb(o->out, cpu_env, o->in1, o->in2); |
2905 |
return NO_EXIT;
|
2906 |
} |
2907 |
|
2908 |
static ExitStatus op_sxb(DisasContext *s, DisasOps *o)
|
2909 |
{ |
2910 |
gen_helper_sxb(o->out, cpu_env, o->out, o->out2, o->in1, o->in2); |
2911 |
return_low128(o->out2); |
2912 |
return NO_EXIT;
|
2913 |
} |
2914 |
|
2915 |
static ExitStatus op_sqeb(DisasContext *s, DisasOps *o)
|
2916 |
{ |
2917 |
gen_helper_sqeb(o->out, cpu_env, o->in2); |
2918 |
return NO_EXIT;
|
2919 |
} |
2920 |
|
2921 |
static ExitStatus op_sqdb(DisasContext *s, DisasOps *o)
|
2922 |
{ |
2923 |
gen_helper_sqdb(o->out, cpu_env, o->in2); |
2924 |
return NO_EXIT;
|
2925 |
} |
2926 |
|
2927 |
static ExitStatus op_sqxb(DisasContext *s, DisasOps *o)
|
2928 |
{ |
2929 |
gen_helper_sqxb(o->out, cpu_env, o->in1, o->in2); |
2930 |
return_low128(o->out2); |
2931 |
return NO_EXIT;
|
2932 |
} |
2933 |
|
2934 |
#ifndef CONFIG_USER_ONLY
|
2935 |
static ExitStatus op_sigp(DisasContext *s, DisasOps *o)
|
2936 |
{ |
2937 |
TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1)); |
2938 |
check_privileged(s); |
2939 |
potential_page_fault(s); |
2940 |
gen_helper_sigp(cc_op, cpu_env, o->in2, r1, o->in1); |
2941 |
tcg_temp_free_i32(r1); |
2942 |
return NO_EXIT;
|
2943 |
} |
2944 |
#endif
|
2945 |
|
2946 |
static ExitStatus op_sla(DisasContext *s, DisasOps *o)
|
2947 |
{ |
2948 |
uint64_t sign = 1ull << s->insn->data;
|
2949 |
enum cc_op cco = s->insn->data == 31 ? CC_OP_SLA_32 : CC_OP_SLA_64; |
2950 |
gen_op_update2_cc_i64(s, cco, o->in1, o->in2); |
2951 |
tcg_gen_shl_i64(o->out, o->in1, o->in2); |
2952 |
/* The arithmetic left shift is curious in that it does not affect
|
2953 |
the sign bit. Copy that over from the source unchanged. */
|
2954 |
tcg_gen_andi_i64(o->out, o->out, ~sign); |
2955 |
tcg_gen_andi_i64(o->in1, o->in1, sign); |
2956 |
tcg_gen_or_i64(o->out, o->out, o->in1); |
2957 |
return NO_EXIT;
|
2958 |
} |
2959 |
|
2960 |
static ExitStatus op_sll(DisasContext *s, DisasOps *o)
|
2961 |
{ |
2962 |
tcg_gen_shl_i64(o->out, o->in1, o->in2); |
2963 |
return NO_EXIT;
|
2964 |
} |
2965 |
|
2966 |
static ExitStatus op_sra(DisasContext *s, DisasOps *o)
|
2967 |
{ |
2968 |
tcg_gen_sar_i64(o->out, o->in1, o->in2); |
2969 |
return NO_EXIT;
|
2970 |
} |
2971 |
|
2972 |
static ExitStatus op_srl(DisasContext *s, DisasOps *o)
|
2973 |
{ |
2974 |
tcg_gen_shr_i64(o->out, o->in1, o->in2); |
2975 |
return NO_EXIT;
|
2976 |
} |
2977 |
|
2978 |
#ifndef CONFIG_USER_ONLY
|
2979 |
static ExitStatus op_ssm(DisasContext *s, DisasOps *o)
|
2980 |
{ |
2981 |
check_privileged(s); |
2982 |
tcg_gen_deposit_i64(psw_mask, psw_mask, o->in2, 56, 8); |
2983 |
return NO_EXIT;
|
2984 |
} |
2985 |
|
2986 |
static ExitStatus op_stctg(DisasContext *s, DisasOps *o)
|
2987 |
{ |
2988 |
TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1)); |
2989 |
TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3)); |
2990 |
check_privileged(s); |
2991 |
potential_page_fault(s); |
2992 |
gen_helper_stctg(cpu_env, r1, o->in2, r3); |
2993 |
tcg_temp_free_i32(r1); |
2994 |
tcg_temp_free_i32(r3); |
2995 |
return NO_EXIT;
|
2996 |
} |
2997 |
|
2998 |
static ExitStatus op_stctl(DisasContext *s, DisasOps *o)
|
2999 |
{ |
3000 |
TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1)); |
3001 |
TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3)); |
3002 |
check_privileged(s); |
3003 |
potential_page_fault(s); |
3004 |
gen_helper_stctl(cpu_env, r1, o->in2, r3); |
3005 |
tcg_temp_free_i32(r1); |
3006 |
tcg_temp_free_i32(r3); |
3007 |
return NO_EXIT;
|
3008 |
} |
3009 |
|
3010 |
static ExitStatus op_stnosm(DisasContext *s, DisasOps *o)
|
3011 |
{ |
3012 |
uint64_t i2 = get_field(s->fields, i2); |
3013 |
TCGv_i64 t; |
3014 |
|
3015 |
check_privileged(s); |
3016 |
|
3017 |
/* It is important to do what the instruction name says: STORE THEN.
|
3018 |
If we let the output hook perform the store then if we fault and
|
3019 |
restart, we'll have the wrong SYSTEM MASK in place. */
|
3020 |
t = tcg_temp_new_i64(); |
3021 |
tcg_gen_shri_i64(t, psw_mask, 56);
|
3022 |
tcg_gen_qemu_st8(t, o->addr1, get_mem_index(s)); |
3023 |
tcg_temp_free_i64(t); |
3024 |
|
3025 |
if (s->fields->op == 0xac) { |
3026 |
tcg_gen_andi_i64(psw_mask, psw_mask, |
3027 |
(i2 << 56) | 0x00ffffffffffffffull); |
3028 |
} else {
|
3029 |
tcg_gen_ori_i64(psw_mask, psw_mask, i2 << 56);
|
3030 |
} |
3031 |
return NO_EXIT;
|
3032 |
} |
3033 |
#endif
|
3034 |
|
3035 |
static ExitStatus op_st8(DisasContext *s, DisasOps *o)
|
3036 |
{ |
3037 |
tcg_gen_qemu_st8(o->in1, o->in2, get_mem_index(s)); |
3038 |
return NO_EXIT;
|
3039 |
} |
3040 |
|
3041 |
static ExitStatus op_st16(DisasContext *s, DisasOps *o)
|
3042 |
{ |
3043 |
tcg_gen_qemu_st16(o->in1, o->in2, get_mem_index(s)); |
3044 |
return NO_EXIT;
|
3045 |
} |
3046 |
|
3047 |
static ExitStatus op_st32(DisasContext *s, DisasOps *o)
|
3048 |
{ |
3049 |
tcg_gen_qemu_st32(o->in1, o->in2, get_mem_index(s)); |
3050 |
return NO_EXIT;
|
3051 |
} |
3052 |
|
3053 |
static ExitStatus op_st64(DisasContext *s, DisasOps *o)
|
3054 |
{ |
3055 |
tcg_gen_qemu_st64(o->in1, o->in2, get_mem_index(s)); |
3056 |
return NO_EXIT;
|
3057 |
} |
3058 |
|
3059 |
static ExitStatus op_stam(DisasContext *s, DisasOps *o)
|
3060 |
{ |
3061 |
TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1)); |
3062 |
TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3)); |
3063 |
potential_page_fault(s); |
3064 |
gen_helper_stam(cpu_env, r1, o->in2, r3); |
3065 |
tcg_temp_free_i32(r1); |
3066 |
tcg_temp_free_i32(r3); |
3067 |
return NO_EXIT;
|
3068 |
} |
3069 |
|
3070 |
static ExitStatus op_stcm(DisasContext *s, DisasOps *o)
|
3071 |
{ |
3072 |
int m3 = get_field(s->fields, m3);
|
3073 |
int pos, base = s->insn->data;
|
3074 |
TCGv_i64 tmp = tcg_temp_new_i64(); |
3075 |
|
3076 |
pos = base + ctz32(m3) * 8;
|
3077 |
switch (m3) {
|
3078 |
case 0xf: |
3079 |
/* Effectively a 32-bit store. */
|
3080 |
tcg_gen_shri_i64(tmp, o->in1, pos); |
3081 |
tcg_gen_qemu_st32(tmp, o->in2, get_mem_index(s)); |
3082 |
break;
|
3083 |
|
3084 |
case 0xc: |
3085 |
case 0x6: |
3086 |
case 0x3: |
3087 |
/* Effectively a 16-bit store. */
|
3088 |
tcg_gen_shri_i64(tmp, o->in1, pos); |
3089 |
tcg_gen_qemu_st16(tmp, o->in2, get_mem_index(s)); |
3090 |
break;
|
3091 |
|
3092 |
case 0x8: |
3093 |
case 0x4: |
3094 |
case 0x2: |
3095 |
case 0x1: |
3096 |
/* Effectively an 8-bit store. */
|
3097 |
tcg_gen_shri_i64(tmp, o->in1, pos); |
3098 |
tcg_gen_qemu_st8(tmp, o->in2, get_mem_index(s)); |
3099 |
break;
|
3100 |
|
3101 |
default:
|
3102 |
/* This is going to be a sequence of shifts and stores. */
|
3103 |
pos = base + 32 - 8; |
3104 |
while (m3) {
|
3105 |
if (m3 & 0x8) { |
3106 |
tcg_gen_shri_i64(tmp, o->in1, pos); |
3107 |
tcg_gen_qemu_st8(tmp, o->in2, get_mem_index(s)); |
3108 |
tcg_gen_addi_i64(o->in2, o->in2, 1);
|
3109 |
} |
3110 |
m3 = (m3 << 1) & 0xf; |
3111 |
pos -= 8;
|
3112 |
} |
3113 |
break;
|
3114 |
} |
3115 |
tcg_temp_free_i64(tmp); |
3116 |
return NO_EXIT;
|
3117 |
} |
3118 |
|
3119 |
static ExitStatus op_stm(DisasContext *s, DisasOps *o)
|
3120 |
{ |
3121 |
int r1 = get_field(s->fields, r1);
|
3122 |
int r3 = get_field(s->fields, r3);
|
3123 |
int size = s->insn->data;
|
3124 |
TCGv_i64 tsize = tcg_const_i64(size); |
3125 |
|
3126 |
while (1) { |
3127 |
if (size == 8) { |
3128 |
tcg_gen_qemu_st64(regs[r1], o->in2, get_mem_index(s)); |
3129 |
} else {
|
3130 |
tcg_gen_qemu_st32(regs[r1], o->in2, get_mem_index(s)); |
3131 |
} |
3132 |
if (r1 == r3) {
|
3133 |
break;
|
3134 |
} |
3135 |
tcg_gen_add_i64(o->in2, o->in2, tsize); |
3136 |
r1 = (r1 + 1) & 15; |
3137 |
} |
3138 |
|
3139 |
tcg_temp_free_i64(tsize); |
3140 |
return NO_EXIT;
|
3141 |
} |
3142 |
|
3143 |
static ExitStatus op_stmh(DisasContext *s, DisasOps *o)
|
3144 |
{ |
3145 |
int r1 = get_field(s->fields, r1);
|
3146 |
int r3 = get_field(s->fields, r3);
|
3147 |
TCGv_i64 t = tcg_temp_new_i64(); |
3148 |
TCGv_i64 t4 = tcg_const_i64(4);
|
3149 |
TCGv_i64 t32 = tcg_const_i64(32);
|
3150 |
|
3151 |
while (1) { |
3152 |
tcg_gen_shl_i64(t, regs[r1], t32); |
3153 |
tcg_gen_qemu_st32(t, o->in2, get_mem_index(s)); |
3154 |
if (r1 == r3) {
|
3155 |
break;
|
3156 |
} |
3157 |
tcg_gen_add_i64(o->in2, o->in2, t4); |
3158 |
r1 = (r1 + 1) & 15; |
3159 |
} |
3160 |
|
3161 |
tcg_temp_free_i64(t); |
3162 |
tcg_temp_free_i64(t4); |
3163 |
tcg_temp_free_i64(t32); |
3164 |
return NO_EXIT;
|
3165 |
} |
3166 |
|
3167 |
static ExitStatus op_sub(DisasContext *s, DisasOps *o)
|
3168 |
{ |
3169 |
tcg_gen_sub_i64(o->out, o->in1, o->in2); |
3170 |
return NO_EXIT;
|
3171 |
} |
3172 |
|
3173 |
static ExitStatus op_subb(DisasContext *s, DisasOps *o)
|
3174 |
{ |
3175 |
TCGv_i64 cc; |
3176 |
|
3177 |
assert(!o->g_in2); |
3178 |
tcg_gen_not_i64(o->in2, o->in2); |
3179 |
tcg_gen_add_i64(o->out, o->in1, o->in2); |
3180 |
|
3181 |
/* XXX possible optimization point */
|
3182 |
gen_op_calc_cc(s); |
3183 |
cc = tcg_temp_new_i64(); |
3184 |
tcg_gen_extu_i32_i64(cc, cc_op); |
3185 |
tcg_gen_shri_i64(cc, cc, 1);
|
3186 |
tcg_gen_add_i64(o->out, o->out, cc); |
3187 |
tcg_temp_free_i64(cc); |
3188 |
return NO_EXIT;
|
3189 |
} |
3190 |
|
3191 |
static ExitStatus op_svc(DisasContext *s, DisasOps *o)
|
3192 |
{ |
3193 |
TCGv_i32 t; |
3194 |
|
3195 |
update_psw_addr(s); |
3196 |
gen_op_calc_cc(s); |
3197 |
|
3198 |
t = tcg_const_i32(get_field(s->fields, i1) & 0xff);
|
3199 |
tcg_gen_st_i32(t, cpu_env, offsetof(CPUS390XState, int_svc_code)); |
3200 |
tcg_temp_free_i32(t); |
3201 |
|
3202 |
t = tcg_const_i32(s->next_pc - s->pc); |
3203 |
tcg_gen_st_i32(t, cpu_env, offsetof(CPUS390XState, int_svc_ilen)); |
3204 |
tcg_temp_free_i32(t); |
3205 |
|
3206 |
gen_exception(EXCP_SVC); |
3207 |
return EXIT_NORETURN;
|
3208 |
} |
3209 |
|
3210 |
static ExitStatus op_tceb(DisasContext *s, DisasOps *o)
|
3211 |
{ |
3212 |
gen_helper_tceb(cc_op, o->in1, o->in2); |
3213 |
set_cc_static(s); |
3214 |
return NO_EXIT;
|
3215 |
} |
3216 |
|
3217 |
static ExitStatus op_tcdb(DisasContext *s, DisasOps *o)
|
3218 |
{ |
3219 |
gen_helper_tcdb(cc_op, o->in1, o->in2); |
3220 |
set_cc_static(s); |
3221 |
return NO_EXIT;
|
3222 |
} |
3223 |
|
3224 |
static ExitStatus op_tcxb(DisasContext *s, DisasOps *o)
|
3225 |
{ |
3226 |
gen_helper_tcxb(cc_op, o->out, o->out2, o->in2); |
3227 |
set_cc_static(s); |
3228 |
return NO_EXIT;
|
3229 |
} |
3230 |
|
3231 |
#ifndef CONFIG_USER_ONLY
|
3232 |
static ExitStatus op_tprot(DisasContext *s, DisasOps *o)
|
3233 |
{ |
3234 |
potential_page_fault(s); |
3235 |
gen_helper_tprot(cc_op, o->addr1, o->in2); |
3236 |
set_cc_static(s); |
3237 |
return NO_EXIT;
|
3238 |
} |
3239 |
#endif
|
3240 |
|
3241 |
static ExitStatus op_tr(DisasContext *s, DisasOps *o)
|
3242 |
{ |
3243 |
TCGv_i32 l = tcg_const_i32(get_field(s->fields, l1)); |
3244 |
potential_page_fault(s); |
3245 |
gen_helper_tr(cpu_env, l, o->addr1, o->in2); |
3246 |
tcg_temp_free_i32(l); |
3247 |
set_cc_static(s); |
3248 |
return NO_EXIT;
|
3249 |
} |
3250 |
|
3251 |
static ExitStatus op_unpk(DisasContext *s, DisasOps *o)
|
3252 |
{ |
3253 |
TCGv_i32 l = tcg_const_i32(get_field(s->fields, l1)); |
3254 |
potential_page_fault(s); |
3255 |
gen_helper_unpk(cpu_env, l, o->addr1, o->in2); |
3256 |
tcg_temp_free_i32(l); |
3257 |
return NO_EXIT;
|
3258 |
} |
3259 |
|
3260 |
static ExitStatus op_xc(DisasContext *s, DisasOps *o)
|
3261 |
{ |
3262 |
TCGv_i32 l = tcg_const_i32(get_field(s->fields, l1)); |
3263 |
potential_page_fault(s); |
3264 |
gen_helper_xc(cc_op, cpu_env, l, o->addr1, o->in2); |
3265 |
tcg_temp_free_i32(l); |
3266 |
set_cc_static(s); |
3267 |
return NO_EXIT;
|
3268 |
} |
3269 |
|
3270 |
static ExitStatus op_xor(DisasContext *s, DisasOps *o)
|
3271 |
{ |
3272 |
tcg_gen_xor_i64(o->out, o->in1, o->in2); |
3273 |
return NO_EXIT;
|
3274 |
} |
3275 |
|
3276 |
static ExitStatus op_xori(DisasContext *s, DisasOps *o)
|
3277 |
{ |
3278 |
int shift = s->insn->data & 0xff; |
3279 |
int size = s->insn->data >> 8; |
3280 |
uint64_t mask = ((1ull << size) - 1) << shift; |
3281 |
|
3282 |
assert(!o->g_in2); |
3283 |
tcg_gen_shli_i64(o->in2, o->in2, shift); |
3284 |
tcg_gen_xor_i64(o->out, o->in1, o->in2); |
3285 |
|
3286 |
/* Produce the CC from only the bits manipulated. */
|
3287 |
tcg_gen_andi_i64(cc_dst, o->out, mask); |
3288 |
set_cc_nz_u64(s, cc_dst); |
3289 |
return NO_EXIT;
|
3290 |
} |
3291 |
|
3292 |
static ExitStatus op_zero(DisasContext *s, DisasOps *o)
|
3293 |
{ |
3294 |
o->out = tcg_const_i64(0);
|
3295 |
return NO_EXIT;
|
3296 |
} |
3297 |
|
3298 |
static ExitStatus op_zero2(DisasContext *s, DisasOps *o)
|
3299 |
{ |
3300 |
o->out = tcg_const_i64(0);
|
3301 |
o->out2 = o->out; |
3302 |
o->g_out2 = true;
|
3303 |
return NO_EXIT;
|
3304 |
} |
3305 |
|
3306 |
/* ====================================================================== */
|
3307 |
/* The "Cc OUTput" generators. Given the generated output (and in some cases
|
3308 |
the original inputs), update the various cc data structures in order to
|
3309 |
be able to compute the new condition code. */
|
3310 |
|
3311 |
static void cout_abs32(DisasContext *s, DisasOps *o) |
3312 |
{ |
3313 |
gen_op_update1_cc_i64(s, CC_OP_ABS_32, o->out); |
3314 |
} |
3315 |
|
3316 |
static void cout_abs64(DisasContext *s, DisasOps *o) |
3317 |
{ |
3318 |
gen_op_update1_cc_i64(s, CC_OP_ABS_64, o->out); |
3319 |
} |
3320 |
|
3321 |
static void cout_adds32(DisasContext *s, DisasOps *o) |
3322 |
{ |
3323 |
gen_op_update3_cc_i64(s, CC_OP_ADD_32, o->in1, o->in2, o->out); |
3324 |
} |
3325 |
|
3326 |
static void cout_adds64(DisasContext *s, DisasOps *o) |
3327 |
{ |
3328 |
gen_op_update3_cc_i64(s, CC_OP_ADD_64, o->in1, o->in2, o->out); |
3329 |
} |
3330 |
|
3331 |
static void cout_addu32(DisasContext *s, DisasOps *o) |
3332 |
{ |
3333 |
gen_op_update3_cc_i64(s, CC_OP_ADDU_32, o->in1, o->in2, o->out); |
3334 |
} |
3335 |
|
3336 |
static void cout_addu64(DisasContext *s, DisasOps *o) |
3337 |
{ |
3338 |
gen_op_update3_cc_i64(s, CC_OP_ADDU_64, o->in1, o->in2, o->out); |
3339 |
} |
3340 |
|
3341 |
static void cout_addc32(DisasContext *s, DisasOps *o) |
3342 |
{ |
3343 |
gen_op_update3_cc_i64(s, CC_OP_ADDC_32, o->in1, o->in2, o->out); |
3344 |
} |
3345 |
|
3346 |
static void cout_addc64(DisasContext *s, DisasOps *o) |
3347 |
{ |
3348 |
gen_op_update3_cc_i64(s, CC_OP_ADDC_64, o->in1, o->in2, o->out); |
3349 |
} |
3350 |
|
3351 |
static void cout_cmps32(DisasContext *s, DisasOps *o) |
3352 |
{ |
3353 |
gen_op_update2_cc_i64(s, CC_OP_LTGT_32, o->in1, o->in2); |
3354 |
} |
3355 |
|
3356 |
static void cout_cmps64(DisasContext *s, DisasOps *o) |
3357 |
{ |
3358 |
gen_op_update2_cc_i64(s, CC_OP_LTGT_64, o->in1, o->in2); |
3359 |
} |
3360 |
|
3361 |
static void cout_cmpu32(DisasContext *s, DisasOps *o) |
3362 |
{ |
3363 |
gen_op_update2_cc_i64(s, CC_OP_LTUGTU_32, o->in1, o->in2); |
3364 |
} |
3365 |
|
3366 |
static void cout_cmpu64(DisasContext *s, DisasOps *o) |
3367 |
{ |
3368 |
gen_op_update2_cc_i64(s, CC_OP_LTUGTU_64, o->in1, o->in2); |
3369 |
} |
3370 |
|
3371 |
static void cout_f32(DisasContext *s, DisasOps *o) |
3372 |
{ |
3373 |
gen_op_update1_cc_i64(s, CC_OP_NZ_F32, o->out); |
3374 |
} |
3375 |
|
3376 |
static void cout_f64(DisasContext *s, DisasOps *o) |
3377 |
{ |
3378 |
gen_op_update1_cc_i64(s, CC_OP_NZ_F64, o->out); |
3379 |
} |
3380 |
|
3381 |
static void cout_f128(DisasContext *s, DisasOps *o) |
3382 |
{ |
3383 |
gen_op_update2_cc_i64(s, CC_OP_NZ_F128, o->out, o->out2); |
3384 |
} |
3385 |
|
3386 |
static void cout_nabs32(DisasContext *s, DisasOps *o) |
3387 |
{ |
3388 |
gen_op_update1_cc_i64(s, CC_OP_NABS_32, o->out); |
3389 |
} |
3390 |
|
3391 |
static void cout_nabs64(DisasContext *s, DisasOps *o) |
3392 |
{ |
3393 |
gen_op_update1_cc_i64(s, CC_OP_NABS_64, o->out); |
3394 |
} |
3395 |
|
3396 |
static void cout_neg32(DisasContext *s, DisasOps *o) |
3397 |
{ |
3398 |
gen_op_update1_cc_i64(s, CC_OP_COMP_32, o->out); |
3399 |
} |
3400 |
|
3401 |
static void cout_neg64(DisasContext *s, DisasOps *o) |
3402 |
{ |
3403 |
gen_op_update1_cc_i64(s, CC_OP_COMP_64, o->out); |
3404 |
} |
3405 |
|
3406 |
static void cout_nz32(DisasContext *s, DisasOps *o) |
3407 |
{ |
3408 |
tcg_gen_ext32u_i64(cc_dst, o->out); |
3409 |
gen_op_update1_cc_i64(s, CC_OP_NZ, cc_dst); |
3410 |
} |
3411 |
|
3412 |
static void cout_nz64(DisasContext *s, DisasOps *o) |
3413 |
{ |
3414 |
gen_op_update1_cc_i64(s, CC_OP_NZ, o->out); |
3415 |
} |
3416 |
|
3417 |
static void cout_s32(DisasContext *s, DisasOps *o) |
3418 |
{ |
3419 |
gen_op_update1_cc_i64(s, CC_OP_LTGT0_32, o->out); |
3420 |
} |
3421 |
|
3422 |
static void cout_s64(DisasContext *s, DisasOps *o) |
3423 |
{ |
3424 |
gen_op_update1_cc_i64(s, CC_OP_LTGT0_64, o->out); |
3425 |
} |
3426 |
|
3427 |
static void cout_subs32(DisasContext *s, DisasOps *o) |
3428 |
{ |
3429 |
gen_op_update3_cc_i64(s, CC_OP_SUB_32, o->in1, o->in2, o->out); |
3430 |
} |
3431 |
|
3432 |
static void cout_subs64(DisasContext *s, DisasOps *o) |
3433 |
{ |
3434 |
gen_op_update3_cc_i64(s, CC_OP_SUB_64, o->in1, o->in2, o->out); |
3435 |
} |
3436 |
|
3437 |
static void cout_subu32(DisasContext *s, DisasOps *o) |
3438 |
{ |
3439 |
gen_op_update3_cc_i64(s, CC_OP_SUBU_32, o->in1, o->in2, o->out); |
3440 |
} |
3441 |
|
3442 |
static void cout_subu64(DisasContext *s, DisasOps *o) |
3443 |
{ |
3444 |
gen_op_update3_cc_i64(s, CC_OP_SUBU_64, o->in1, o->in2, o->out); |
3445 |
} |
3446 |
|
3447 |
static void cout_subb32(DisasContext *s, DisasOps *o) |
3448 |
{ |
3449 |
gen_op_update3_cc_i64(s, CC_OP_SUBB_32, o->in1, o->in2, o->out); |
3450 |
} |
3451 |
|
3452 |
static void cout_subb64(DisasContext *s, DisasOps *o) |
3453 |
{ |
3454 |
gen_op_update3_cc_i64(s, CC_OP_SUBB_64, o->in1, o->in2, o->out); |
3455 |
} |
3456 |
|
3457 |
static void cout_tm32(DisasContext *s, DisasOps *o) |
3458 |
{ |
3459 |
gen_op_update2_cc_i64(s, CC_OP_TM_32, o->in1, o->in2); |
3460 |
} |
3461 |
|
3462 |
static void cout_tm64(DisasContext *s, DisasOps *o) |
3463 |
{ |
3464 |
gen_op_update2_cc_i64(s, CC_OP_TM_64, o->in1, o->in2); |
3465 |
} |
3466 |
|
3467 |
/* ====================================================================== */
|
3468 |
/* The "PREPeration" generators. These initialize the DisasOps.OUT fields
|
3469 |
with the TCG register to which we will write. Used in combination with
|
3470 |
the "wout" generators, in some cases we need a new temporary, and in
|
3471 |
some cases we can write to a TCG global. */
|
3472 |
|
3473 |
static void prep_new(DisasContext *s, DisasFields *f, DisasOps *o) |
3474 |
{ |
3475 |
o->out = tcg_temp_new_i64(); |
3476 |
} |
3477 |
|
3478 |
static void prep_new_P(DisasContext *s, DisasFields *f, DisasOps *o) |
3479 |
{ |
3480 |
o->out = tcg_temp_new_i64(); |
3481 |
o->out2 = tcg_temp_new_i64(); |
3482 |
} |
3483 |
|
3484 |
static void prep_r1(DisasContext *s, DisasFields *f, DisasOps *o) |
3485 |
{ |
3486 |
o->out = regs[get_field(f, r1)]; |
3487 |
o->g_out = true;
|
3488 |
} |
3489 |
|
3490 |
static void prep_r1_P(DisasContext *s, DisasFields *f, DisasOps *o) |
3491 |
{ |
3492 |
/* ??? Specification exception: r1 must be even. */
|
3493 |
int r1 = get_field(f, r1);
|
3494 |
o->out = regs[r1]; |
3495 |
o->out2 = regs[(r1 + 1) & 15]; |
3496 |
o->g_out = o->g_out2 = true;
|
3497 |
} |
3498 |
|
3499 |
static void prep_f1(DisasContext *s, DisasFields *f, DisasOps *o) |
3500 |
{ |
3501 |
o->out = fregs[get_field(f, r1)]; |
3502 |
o->g_out = true;
|
3503 |
} |
3504 |
|
3505 |
static void prep_x1(DisasContext *s, DisasFields *f, DisasOps *o) |
3506 |
{ |
3507 |
/* ??? Specification exception: r1 must be < 14. */
|
3508 |
int r1 = get_field(f, r1);
|
3509 |
o->out = fregs[r1]; |
3510 |
o->out2 = fregs[(r1 + 2) & 15]; |
3511 |
o->g_out = o->g_out2 = true;
|
3512 |
} |
3513 |
|
3514 |
/* ====================================================================== */
|
3515 |
/* The "Write OUTput" generators. These generally perform some non-trivial
|
3516 |
copy of data to TCG globals, or to main memory. The trivial cases are
|
3517 |
generally handled by having a "prep" generator install the TCG global
|
3518 |
as the destination of the operation. */
|
3519 |
|
3520 |
static void wout_r1(DisasContext *s, DisasFields *f, DisasOps *o) |
3521 |
{ |
3522 |
store_reg(get_field(f, r1), o->out); |
3523 |
} |
3524 |
|
3525 |
static void wout_r1_8(DisasContext *s, DisasFields *f, DisasOps *o) |
3526 |
{ |
3527 |
int r1 = get_field(f, r1);
|
3528 |
tcg_gen_deposit_i64(regs[r1], regs[r1], o->out, 0, 8); |
3529 |
} |
3530 |
|
3531 |
static void wout_r1_16(DisasContext *s, DisasFields *f, DisasOps *o) |
3532 |
{ |
3533 |
int r1 = get_field(f, r1);
|
3534 |
tcg_gen_deposit_i64(regs[r1], regs[r1], o->out, 0, 16); |
3535 |
} |
3536 |
|
3537 |
static void wout_r1_32(DisasContext *s, DisasFields *f, DisasOps *o) |
3538 |
{ |
3539 |
store_reg32_i64(get_field(f, r1), o->out); |
3540 |
} |
3541 |
|
3542 |
static void wout_r1_P32(DisasContext *s, DisasFields *f, DisasOps *o) |
3543 |
{ |
3544 |
/* ??? Specification exception: r1 must be even. */
|
3545 |
int r1 = get_field(f, r1);
|
3546 |
store_reg32_i64(r1, o->out); |
3547 |
store_reg32_i64((r1 + 1) & 15, o->out2); |
3548 |
} |
3549 |
|
3550 |
static void wout_r1_D32(DisasContext *s, DisasFields *f, DisasOps *o) |
3551 |
{ |
3552 |
/* ??? Specification exception: r1 must be even. */
|
3553 |
int r1 = get_field(f, r1);
|
3554 |
store_reg32_i64((r1 + 1) & 15, o->out); |
3555 |
tcg_gen_shri_i64(o->out, o->out, 32);
|
3556 |
store_reg32_i64(r1, o->out); |
3557 |
} |
3558 |
|
3559 |
static void wout_e1(DisasContext *s, DisasFields *f, DisasOps *o) |
3560 |
{ |
3561 |
store_freg32_i64(get_field(f, r1), o->out); |
3562 |
} |
3563 |
|
3564 |
static void wout_f1(DisasContext *s, DisasFields *f, DisasOps *o) |
3565 |
{ |
3566 |
store_freg(get_field(f, r1), o->out); |
3567 |
} |
3568 |
|
3569 |
static void wout_x1(DisasContext *s, DisasFields *f, DisasOps *o) |
3570 |
{ |
3571 |
/* ??? Specification exception: r1 must be < 14. */
|
3572 |
int f1 = get_field(s->fields, r1);
|
3573 |
store_freg(f1, o->out); |
3574 |
store_freg((f1 + 2) & 15, o->out2); |
3575 |
} |
3576 |
|
3577 |
static void wout_cond_r1r2_32(DisasContext *s, DisasFields *f, DisasOps *o) |
3578 |
{ |
3579 |
if (get_field(f, r1) != get_field(f, r2)) {
|
3580 |
store_reg32_i64(get_field(f, r1), o->out); |
3581 |
} |
3582 |
} |
3583 |
|
3584 |
static void wout_cond_e1e2(DisasContext *s, DisasFields *f, DisasOps *o) |
3585 |
{ |
3586 |
if (get_field(f, r1) != get_field(f, r2)) {
|
3587 |
store_freg32_i64(get_field(f, r1), o->out); |
3588 |
} |
3589 |
} |
3590 |
|
3591 |
static void wout_m1_8(DisasContext *s, DisasFields *f, DisasOps *o) |
3592 |
{ |
3593 |
tcg_gen_qemu_st8(o->out, o->addr1, get_mem_index(s)); |
3594 |
} |
3595 |
|
3596 |
static void wout_m1_16(DisasContext *s, DisasFields *f, DisasOps *o) |
3597 |
{ |
3598 |
tcg_gen_qemu_st16(o->out, o->addr1, get_mem_index(s)); |
3599 |
} |
3600 |
|
3601 |
static void wout_m1_32(DisasContext *s, DisasFields *f, DisasOps *o) |
3602 |
{ |
3603 |
tcg_gen_qemu_st32(o->out, o->addr1, get_mem_index(s)); |
3604 |
} |
3605 |
|
3606 |
static void wout_m1_64(DisasContext *s, DisasFields *f, DisasOps *o) |
3607 |
{ |
3608 |
tcg_gen_qemu_st64(o->out, o->addr1, get_mem_index(s)); |
3609 |
} |
3610 |
|
3611 |
static void wout_m2_32(DisasContext *s, DisasFields *f, DisasOps *o) |
3612 |
{ |
3613 |
tcg_gen_qemu_st32(o->out, o->in2, get_mem_index(s)); |
3614 |
} |
3615 |
|
3616 |
/* ====================================================================== */
|
3617 |
/* The "INput 1" generators. These load the first operand to an insn. */
|
3618 |
|
3619 |
static void in1_r1(DisasContext *s, DisasFields *f, DisasOps *o) |
3620 |
{ |
3621 |
o->in1 = load_reg(get_field(f, r1)); |
3622 |
} |
3623 |
|
3624 |
static void in1_r1_o(DisasContext *s, DisasFields *f, DisasOps *o) |
3625 |
{ |
3626 |
o->in1 = regs[get_field(f, r1)]; |
3627 |
o->g_in1 = true;
|
3628 |
} |
3629 |
|
3630 |
static void in1_r1_32s(DisasContext *s, DisasFields *f, DisasOps *o) |
3631 |
{ |
3632 |
o->in1 = tcg_temp_new_i64(); |
3633 |
tcg_gen_ext32s_i64(o->in1, regs[get_field(f, r1)]); |
3634 |
} |
3635 |
|
3636 |
static void in1_r1_32u(DisasContext *s, DisasFields *f, DisasOps *o) |
3637 |
{ |
3638 |
o->in1 = tcg_temp_new_i64(); |
3639 |
tcg_gen_ext32u_i64(o->in1, regs[get_field(f, r1)]); |
3640 |
} |
3641 |
|
3642 |
static void in1_r1_sr32(DisasContext *s, DisasFields *f, DisasOps *o) |
3643 |
{ |
3644 |
o->in1 = tcg_temp_new_i64(); |
3645 |
tcg_gen_shri_i64(o->in1, regs[get_field(f, r1)], 32);
|
3646 |
} |
3647 |
|
3648 |
static void in1_r1p1(DisasContext *s, DisasFields *f, DisasOps *o) |
3649 |
{ |
3650 |
/* ??? Specification exception: r1 must be even. */
|
3651 |
int r1 = get_field(f, r1);
|
3652 |
o->in1 = load_reg((r1 + 1) & 15); |
3653 |
} |
3654 |
|
3655 |
static void in1_r1p1_32s(DisasContext *s, DisasFields *f, DisasOps *o) |
3656 |
{ |
3657 |
/* ??? Specification exception: r1 must be even. */
|
3658 |
int r1 = get_field(f, r1);
|
3659 |
o->in1 = tcg_temp_new_i64(); |
3660 |
tcg_gen_ext32s_i64(o->in1, regs[(r1 + 1) & 15]); |
3661 |
} |
3662 |
|
3663 |
static void in1_r1p1_32u(DisasContext *s, DisasFields *f, DisasOps *o) |
3664 |
{ |
3665 |
/* ??? Specification exception: r1 must be even. */
|
3666 |
int r1 = get_field(f, r1);
|
3667 |
o->in1 = tcg_temp_new_i64(); |
3668 |
tcg_gen_ext32u_i64(o->in1, regs[(r1 + 1) & 15]); |
3669 |
} |
3670 |
|
3671 |
static void in1_r1_D32(DisasContext *s, DisasFields *f, DisasOps *o) |
3672 |
{ |
3673 |
/* ??? Specification exception: r1 must be even. */
|
3674 |
int r1 = get_field(f, r1);
|
3675 |
o->in1 = tcg_temp_new_i64(); |
3676 |
tcg_gen_concat32_i64(o->in1, regs[r1 + 1], regs[r1]);
|
3677 |
} |
3678 |
|
3679 |
static void in1_r2(DisasContext *s, DisasFields *f, DisasOps *o) |
3680 |
{ |
3681 |
o->in1 = load_reg(get_field(f, r2)); |
3682 |
} |
3683 |
|
3684 |
static void in1_r3(DisasContext *s, DisasFields *f, DisasOps *o) |
3685 |
{ |
3686 |
o->in1 = load_reg(get_field(f, r3)); |
3687 |
} |
3688 |
|
3689 |
static void in1_r3_o(DisasContext *s, DisasFields *f, DisasOps *o) |
3690 |
{ |
3691 |
o->in1 = regs[get_field(f, r3)]; |
3692 |
o->g_in1 = true;
|
3693 |
} |
3694 |
|
3695 |
static void in1_r3_32s(DisasContext *s, DisasFields *f, DisasOps *o) |
3696 |
{ |
3697 |
o->in1 = tcg_temp_new_i64(); |
3698 |
tcg_gen_ext32s_i64(o->in1, regs[get_field(f, r3)]); |
3699 |
} |
3700 |
|
3701 |
static void in1_r3_32u(DisasContext *s, DisasFields *f, DisasOps *o) |
3702 |
{ |
3703 |
o->in1 = tcg_temp_new_i64(); |
3704 |
tcg_gen_ext32u_i64(o->in1, regs[get_field(f, r3)]); |
3705 |
} |
3706 |
|
3707 |
static void in1_e1(DisasContext *s, DisasFields *f, DisasOps *o) |
3708 |
{ |
3709 |
o->in1 = load_freg32_i64(get_field(f, r1)); |
3710 |
} |
3711 |
|
3712 |
static void in1_f1_o(DisasContext *s, DisasFields *f, DisasOps *o) |
3713 |
{ |
3714 |
o->in1 = fregs[get_field(f, r1)]; |
3715 |
o->g_in1 = true;
|
3716 |
} |
3717 |
|
3718 |
static void in1_x1_o(DisasContext *s, DisasFields *f, DisasOps *o) |
3719 |
{ |
3720 |
/* ??? Specification exception: r1 must be < 14. */
|
3721 |
int r1 = get_field(f, r1);
|
3722 |
o->out = fregs[r1]; |
3723 |
o->out2 = fregs[(r1 + 2) & 15]; |
3724 |
o->g_out = o->g_out2 = true;
|
3725 |
} |
3726 |
|
3727 |
static void in1_la1(DisasContext *s, DisasFields *f, DisasOps *o) |
3728 |
{ |
3729 |
o->addr1 = get_address(s, 0, get_field(f, b1), get_field(f, d1));
|
3730 |
} |
3731 |
|
3732 |
static void in1_la2(DisasContext *s, DisasFields *f, DisasOps *o) |
3733 |
{ |
3734 |
int x2 = have_field(f, x2) ? get_field(f, x2) : 0; |
3735 |
o->addr1 = get_address(s, x2, get_field(f, b2), get_field(f, d2)); |
3736 |
} |
3737 |
|
3738 |
static void in1_m1_8u(DisasContext *s, DisasFields *f, DisasOps *o) |
3739 |
{ |
3740 |
in1_la1(s, f, o); |
3741 |
o->in1 = tcg_temp_new_i64(); |
3742 |
tcg_gen_qemu_ld8u(o->in1, o->addr1, get_mem_index(s)); |
3743 |
} |
3744 |
|
3745 |
static void in1_m1_16s(DisasContext *s, DisasFields *f, DisasOps *o) |
3746 |
{ |
3747 |
in1_la1(s, f, o); |
3748 |
o->in1 = tcg_temp_new_i64(); |
3749 |
tcg_gen_qemu_ld16s(o->in1, o->addr1, get_mem_index(s)); |
3750 |
} |
3751 |
|
3752 |
static void in1_m1_16u(DisasContext *s, DisasFields *f, DisasOps *o) |
3753 |
{ |
3754 |
in1_la1(s, f, o); |
3755 |
o->in1 = tcg_temp_new_i64(); |
3756 |
tcg_gen_qemu_ld16u(o->in1, o->addr1, get_mem_index(s)); |
3757 |
} |
3758 |
|
3759 |
static void in1_m1_32s(DisasContext *s, DisasFields *f, DisasOps *o) |
3760 |
{ |
3761 |
in1_la1(s, f, o); |
3762 |
o->in1 = tcg_temp_new_i64(); |
3763 |
tcg_gen_qemu_ld32s(o->in1, o->addr1, get_mem_index(s)); |
3764 |
} |
3765 |
|
3766 |
static void in1_m1_32u(DisasContext *s, DisasFields *f, DisasOps *o) |
3767 |
{ |
3768 |
in1_la1(s, f, o); |
3769 |
o->in1 = tcg_temp_new_i64(); |
3770 |
tcg_gen_qemu_ld32u(o->in1, o->addr1, get_mem_index(s)); |
3771 |
} |
3772 |
|
3773 |
static void in1_m1_64(DisasContext *s, DisasFields *f, DisasOps *o) |
3774 |
{ |
3775 |
in1_la1(s, f, o); |
3776 |
o->in1 = tcg_temp_new_i64(); |
3777 |
tcg_gen_qemu_ld64(o->in1, o->addr1, get_mem_index(s)); |
3778 |
} |
3779 |
|
3780 |
/* ====================================================================== */
|
3781 |
/* The "INput 2" generators. These load the second operand to an insn. */
|
3782 |
|
3783 |
static void in2_r1_o(DisasContext *s, DisasFields *f, DisasOps *o) |
3784 |
{ |
3785 |
o->in2 = regs[get_field(f, r1)]; |
3786 |
o->g_in2 = true;
|
3787 |
} |
3788 |
|
3789 |
static void in2_r1_16u(DisasContext *s, DisasFields *f, DisasOps *o) |
3790 |
{ |
3791 |
o->in2 = tcg_temp_new_i64(); |
3792 |
tcg_gen_ext16u_i64(o->in2, regs[get_field(f, r1)]); |
3793 |
} |
3794 |
|
3795 |
static void in2_r1_32u(DisasContext *s, DisasFields *f, DisasOps *o) |
3796 |
{ |
3797 |
o->in2 = tcg_temp_new_i64(); |
3798 |
tcg_gen_ext32u_i64(o->in2, regs[get_field(f, r1)]); |
3799 |
} |
3800 |
|
3801 |
static void in2_r2(DisasContext *s, DisasFields *f, DisasOps *o) |
3802 |
{ |
3803 |
o->in2 = load_reg(get_field(f, r2)); |
3804 |
} |
3805 |
|
3806 |
static void in2_r2_o(DisasContext *s, DisasFields *f, DisasOps *o) |
3807 |
{ |
3808 |
o->in2 = regs[get_field(f, r2)]; |
3809 |
o->g_in2 = true;
|
3810 |
} |
3811 |
|
3812 |
static void in2_r2_nz(DisasContext *s, DisasFields *f, DisasOps *o) |
3813 |
{ |
3814 |
int r2 = get_field(f, r2);
|
3815 |
if (r2 != 0) { |
3816 |
o->in2 = load_reg(r2); |
3817 |
} |
3818 |
} |
3819 |
|
3820 |
static void in2_r2_8s(DisasContext *s, DisasFields *f, DisasOps *o) |
3821 |
{ |
3822 |
o->in2 = tcg_temp_new_i64(); |
3823 |
tcg_gen_ext8s_i64(o->in2, regs[get_field(f, r2)]); |
3824 |
} |
3825 |
|
3826 |
static void in2_r2_8u(DisasContext *s, DisasFields *f, DisasOps *o) |
3827 |
{ |
3828 |
o->in2 = tcg_temp_new_i64(); |
3829 |
tcg_gen_ext8u_i64(o->in2, regs[get_field(f, r2)]); |
3830 |
} |
3831 |
|
3832 |
static void in2_r2_16s(DisasContext *s, DisasFields *f, DisasOps *o) |
3833 |
{ |
3834 |
o->in2 = tcg_temp_new_i64(); |
3835 |
tcg_gen_ext16s_i64(o->in2, regs[get_field(f, r2)]); |
3836 |
} |
3837 |
|
3838 |
static void in2_r2_16u(DisasContext *s, DisasFields *f, DisasOps *o) |
3839 |
{ |
3840 |
o->in2 = tcg_temp_new_i64(); |
3841 |
tcg_gen_ext16u_i64(o->in2, regs[get_field(f, r2)]); |
3842 |
} |
3843 |
|
3844 |
static void in2_r3(DisasContext *s, DisasFields *f, DisasOps *o) |
3845 |
{ |
3846 |
o->in2 = load_reg(get_field(f, r3)); |
3847 |
} |
3848 |
|
3849 |
static void in2_r2_32s(DisasContext *s, DisasFields *f, DisasOps *o) |
3850 |
{ |
3851 |
o->in2 = tcg_temp_new_i64(); |
3852 |
tcg_gen_ext32s_i64(o->in2, regs[get_field(f, r2)]); |
3853 |
} |
3854 |
|
3855 |
static void in2_r2_32u(DisasContext *s, DisasFields *f, DisasOps *o) |
3856 |
{ |
3857 |
o->in2 = tcg_temp_new_i64(); |
3858 |
tcg_gen_ext32u_i64(o->in2, regs[get_field(f, r2)]); |
3859 |
} |
3860 |
|
3861 |
static void in2_e2(DisasContext *s, DisasFields *f, DisasOps *o) |
3862 |
{ |
3863 |
o->in2 = load_freg32_i64(get_field(f, r2)); |
3864 |
} |
3865 |
|
3866 |
static void in2_f2_o(DisasContext *s, DisasFields *f, DisasOps *o) |
3867 |
{ |
3868 |
o->in2 = fregs[get_field(f, r2)]; |
3869 |
o->g_in2 = true;
|
3870 |
} |
3871 |
|
3872 |
static void in2_x2_o(DisasContext *s, DisasFields *f, DisasOps *o) |
3873 |
{ |
3874 |
/* ??? Specification exception: r1 must be < 14. */
|
3875 |
int r2 = get_field(f, r2);
|
3876 |
o->in1 = fregs[r2]; |
3877 |
o->in2 = fregs[(r2 + 2) & 15]; |
3878 |
o->g_in1 = o->g_in2 = true;
|
3879 |
} |
3880 |
|
3881 |
static void in2_a2(DisasContext *s, DisasFields *f, DisasOps *o) |
3882 |
{ |
3883 |
int x2 = have_field(f, x2) ? get_field(f, x2) : 0; |
3884 |
o->in2 = get_address(s, x2, get_field(f, b2), get_field(f, d2)); |
3885 |
} |
3886 |
|
3887 |
static void in2_ri2(DisasContext *s, DisasFields *f, DisasOps *o) |
3888 |
{ |
3889 |
o->in2 = tcg_const_i64(s->pc + (int64_t)get_field(f, i2) * 2);
|
3890 |
} |
3891 |
|
3892 |
static void in2_sh32(DisasContext *s, DisasFields *f, DisasOps *o) |
3893 |
{ |
3894 |
help_l2_shift(s, f, o, 31);
|
3895 |
} |
3896 |
|
3897 |
static void in2_sh64(DisasContext *s, DisasFields *f, DisasOps *o) |
3898 |
{ |
3899 |
help_l2_shift(s, f, o, 63);
|
3900 |
} |
3901 |
|
3902 |
static void in2_m2_8u(DisasContext *s, DisasFields *f, DisasOps *o) |
3903 |
{ |
3904 |
in2_a2(s, f, o); |
3905 |
tcg_gen_qemu_ld8u(o->in2, o->in2, get_mem_index(s)); |
3906 |
} |
3907 |
|
3908 |
static void in2_m2_16s(DisasContext *s, DisasFields *f, DisasOps *o) |
3909 |
{ |
3910 |
in2_a2(s, f, o); |
3911 |
tcg_gen_qemu_ld16s(o->in2, o->in2, get_mem_index(s)); |
3912 |
} |
3913 |
|
3914 |
static void in2_m2_16u(DisasContext *s, DisasFields *f, DisasOps *o) |
3915 |
{ |
3916 |
in2_a2(s, f, o); |
3917 |
tcg_gen_qemu_ld16u(o->in2, o->in2, get_mem_index(s)); |
3918 |
} |
3919 |
|
3920 |
static void in2_m2_32s(DisasContext *s, DisasFields *f, DisasOps *o) |
3921 |
{ |
3922 |
in2_a2(s, f, o); |
3923 |
tcg_gen_qemu_ld32s(o->in2, o->in2, get_mem_index(s)); |
3924 |
} |
3925 |
|
3926 |
static void in2_m2_32u(DisasContext *s, DisasFields *f, DisasOps *o) |
3927 |
{ |
3928 |
in2_a2(s, f, o); |
3929 |
tcg_gen_qemu_ld32u(o->in2, o->in2, get_mem_index(s)); |
3930 |
} |
3931 |
|
3932 |
static void in2_m2_64(DisasContext *s, DisasFields *f, DisasOps *o) |
3933 |
{ |
3934 |
in2_a2(s, f, o); |
3935 |
tcg_gen_qemu_ld64(o->in2, o->in2, get_mem_index(s)); |
3936 |
} |
3937 |
|
3938 |
static void in2_mri2_16u(DisasContext *s, DisasFields *f, DisasOps *o) |
3939 |
{ |
3940 |
in2_ri2(s, f, o); |
3941 |
tcg_gen_qemu_ld16u(o->in2, o->in2, get_mem_index(s)); |
3942 |
} |
3943 |
|
3944 |
static void in2_mri2_32s(DisasContext *s, DisasFields *f, DisasOps *o) |
3945 |
{ |
3946 |
in2_ri2(s, f, o); |
3947 |
tcg_gen_qemu_ld32s(o->in2, o->in2, get_mem_index(s)); |
3948 |
} |
3949 |
|
3950 |
static void in2_mri2_32u(DisasContext *s, DisasFields *f, DisasOps *o) |
3951 |
{ |
3952 |
in2_ri2(s, f, o); |
3953 |
tcg_gen_qemu_ld32u(o->in2, o->in2, get_mem_index(s)); |
3954 |
} |
3955 |
|
3956 |
static void in2_mri2_64(DisasContext *s, DisasFields *f, DisasOps *o) |
3957 |
{ |
3958 |
in2_ri2(s, f, o); |
3959 |
tcg_gen_qemu_ld64(o->in2, o->in2, get_mem_index(s)); |
3960 |
} |
3961 |
|
3962 |
static void in2_i2(DisasContext *s, DisasFields *f, DisasOps *o) |
3963 |
{ |
3964 |
o->in2 = tcg_const_i64(get_field(f, i2)); |
3965 |
} |
3966 |
|
3967 |
static void in2_i2_8u(DisasContext *s, DisasFields *f, DisasOps *o) |
3968 |
{ |
3969 |
o->in2 = tcg_const_i64((uint8_t)get_field(f, i2)); |
3970 |
} |
3971 |
|
3972 |
static void in2_i2_16u(DisasContext *s, DisasFields *f, DisasOps *o) |
3973 |
{ |
3974 |
o->in2 = tcg_const_i64((uint16_t)get_field(f, i2)); |
3975 |
} |
3976 |
|
3977 |
static void in2_i2_32u(DisasContext *s, DisasFields *f, DisasOps *o) |
3978 |
{ |
3979 |
o->in2 = tcg_const_i64((uint32_t)get_field(f, i2)); |
3980 |
} |
3981 |
|
3982 |
static void in2_i2_16u_shl(DisasContext *s, DisasFields *f, DisasOps *o) |
3983 |
{ |
3984 |
uint64_t i2 = (uint16_t)get_field(f, i2); |
3985 |
o->in2 = tcg_const_i64(i2 << s->insn->data); |
3986 |
} |
3987 |
|
3988 |
static void in2_i2_32u_shl(DisasContext *s, DisasFields *f, DisasOps *o) |
3989 |
{ |
3990 |
uint64_t i2 = (uint32_t)get_field(f, i2); |
3991 |
o->in2 = tcg_const_i64(i2 << s->insn->data); |
3992 |
} |
3993 |
|
3994 |
/* ====================================================================== */
|
3995 |
|
3996 |
/* Find opc within the table of insns. This is formulated as a switch
|
3997 |
statement so that (1) we get compile-time notice of cut-paste errors
|
3998 |
for duplicated opcodes, and (2) the compiler generates the binary
|
3999 |
search tree, rather than us having to post-process the table. */
|
4000 |
|
4001 |
#define C(OPC, NM, FT, FC, I1, I2, P, W, OP, CC) \
|
4002 |
D(OPC, NM, FT, FC, I1, I2, P, W, OP, CC, 0)
|
4003 |
|
4004 |
#define D(OPC, NM, FT, FC, I1, I2, P, W, OP, CC, D) insn_ ## NM, |
4005 |
|
4006 |
enum DisasInsnEnum {
|
4007 |
#include "insn-data.def" |
4008 |
}; |
4009 |
|
4010 |
#undef D
|
4011 |
#define D(OPC, NM, FT, FC, I1, I2, P, W, OP, CC, D) { \
|
4012 |
.opc = OPC, \ |
4013 |
.fmt = FMT_##FT, \ |
4014 |
.fac = FAC_##FC, \ |
4015 |
.name = #NM, \
|
4016 |
.help_in1 = in1_##I1, \ |
4017 |
.help_in2 = in2_##I2, \ |
4018 |
.help_prep = prep_##P, \ |
4019 |
.help_wout = wout_##W, \ |
4020 |
.help_cout = cout_##CC, \ |
4021 |
.help_op = op_##OP, \ |
4022 |
.data = D \ |
4023 |
}, |
4024 |
|
4025 |
/* Allow 0 to be used for NULL in the table below. */
|
4026 |
#define in1_0 NULL |
4027 |
#define in2_0 NULL |
4028 |
#define prep_0 NULL |
4029 |
#define wout_0 NULL |
4030 |
#define cout_0 NULL |
4031 |
#define op_0 NULL |
4032 |
|
4033 |
static const DisasInsn insn_info[] = { |
4034 |
#include "insn-data.def" |
4035 |
}; |
4036 |
|
4037 |
#undef D
|
4038 |
#define D(OPC, NM, FT, FC, I1, I2, P, W, OP, CC, D) \
|
4039 |
case OPC: return &insn_info[insn_ ## NM]; |
4040 |
|
4041 |
static const DisasInsn *lookup_opc(uint16_t opc) |
4042 |
{ |
4043 |
switch (opc) {
|
4044 |
#include "insn-data.def" |
4045 |
default:
|
4046 |
return NULL; |
4047 |
} |
4048 |
} |
4049 |
|
4050 |
#undef D
|
4051 |
#undef C
|
4052 |
|
4053 |
/* Extract a field from the insn. The INSN should be left-aligned in
|
4054 |
the uint64_t so that we can more easily utilize the big-bit-endian
|
4055 |
definitions we extract from the Principals of Operation. */
|
4056 |
|
4057 |
static void extract_field(DisasFields *o, const DisasField *f, uint64_t insn) |
4058 |
{ |
4059 |
uint32_t r, m; |
4060 |
|
4061 |
if (f->size == 0) { |
4062 |
return;
|
4063 |
} |
4064 |
|
4065 |
/* Zero extract the field from the insn. */
|
4066 |
r = (insn << f->beg) >> (64 - f->size);
|
4067 |
|
4068 |
/* Sign-extend, or un-swap the field as necessary. */
|
4069 |
switch (f->type) {
|
4070 |
case 0: /* unsigned */ |
4071 |
break;
|
4072 |
case 1: /* signed */ |
4073 |
assert(f->size <= 32);
|
4074 |
m = 1u << (f->size - 1); |
4075 |
r = (r ^ m) - m; |
4076 |
break;
|
4077 |
case 2: /* dl+dh split, signed 20 bit. */ |
4078 |
r = ((int8_t)r << 12) | (r >> 8); |
4079 |
break;
|
4080 |
default:
|
4081 |
abort(); |
4082 |
} |
4083 |
|
4084 |
/* Validate that the "compressed" encoding we selected above is valid.
|
4085 |
I.e. we havn't make two different original fields overlap. */
|
4086 |
assert(((o->presentC >> f->indexC) & 1) == 0); |
4087 |
o->presentC |= 1 << f->indexC;
|
4088 |
o->presentO |= 1 << f->indexO;
|
4089 |
|
4090 |
o->c[f->indexC] = r; |
4091 |
} |
4092 |
|
4093 |
/* Lookup the insn at the current PC, extracting the operands into O and
|
4094 |
returning the info struct for the insn. Returns NULL for invalid insn. */
|
4095 |
|
4096 |
static const DisasInsn *extract_insn(CPUS390XState *env, DisasContext *s, |
4097 |
DisasFields *f) |
4098 |
{ |
4099 |
uint64_t insn, pc = s->pc; |
4100 |
int op, op2, ilen;
|
4101 |
const DisasInsn *info;
|
4102 |
|
4103 |
insn = ld_code2(env, pc); |
4104 |
op = (insn >> 8) & 0xff; |
4105 |
ilen = get_ilen(op); |
4106 |
s->next_pc = s->pc + ilen; |
4107 |
|
4108 |
switch (ilen) {
|
4109 |
case 2: |
4110 |
insn = insn << 48;
|
4111 |
break;
|
4112 |
case 4: |
4113 |
insn = ld_code4(env, pc) << 32;
|
4114 |
break;
|
4115 |
case 6: |
4116 |
insn = (insn << 48) | (ld_code4(env, pc + 2) << 16); |
4117 |
break;
|
4118 |
default:
|
4119 |
abort(); |
4120 |
} |
4121 |
|
4122 |
/* We can't actually determine the insn format until we've looked up
|
4123 |
the full insn opcode. Which we can't do without locating the
|
4124 |
secondary opcode. Assume by default that OP2 is at bit 40; for
|
4125 |
those smaller insns that don't actually have a secondary opcode
|
4126 |
this will correctly result in OP2 = 0. */
|
4127 |
switch (op) {
|
4128 |
case 0x01: /* E */ |
4129 |
case 0x80: /* S */ |
4130 |
case 0x82: /* S */ |
4131 |
case 0x93: /* S */ |
4132 |
case 0xb2: /* S, RRF, RRE */ |
4133 |
case 0xb3: /* RRE, RRD, RRF */ |
4134 |
case 0xb9: /* RRE, RRF */ |
4135 |
case 0xe5: /* SSE, SIL */ |
4136 |
op2 = (insn << 8) >> 56; |
4137 |
break;
|
4138 |
case 0xa5: /* RI */ |
4139 |
case 0xa7: /* RI */ |
4140 |
case 0xc0: /* RIL */ |
4141 |
case 0xc2: /* RIL */ |
4142 |
case 0xc4: /* RIL */ |
4143 |
case 0xc6: /* RIL */ |
4144 |
case 0xc8: /* SSF */ |
4145 |
case 0xcc: /* RIL */ |
4146 |
op2 = (insn << 12) >> 60; |
4147 |
break;
|
4148 |
case 0xd0 ... 0xdf: /* SS */ |
4149 |
case 0xe1: /* SS */ |
4150 |
case 0xe2: /* SS */ |
4151 |
case 0xe8: /* SS */ |
4152 |
case 0xe9: /* SS */ |
4153 |
case 0xea: /* SS */ |
4154 |
case 0xee ... 0xf3: /* SS */ |
4155 |
case 0xf8 ... 0xfd: /* SS */ |
4156 |
op2 = 0;
|
4157 |
break;
|
4158 |
default:
|
4159 |
op2 = (insn << 40) >> 56; |
4160 |
break;
|
4161 |
} |
4162 |
|
4163 |
memset(f, 0, sizeof(*f)); |
4164 |
f->op = op; |
4165 |
f->op2 = op2; |
4166 |
|
4167 |
/* Lookup the instruction. */
|
4168 |
info = lookup_opc(op << 8 | op2);
|
4169 |
|
4170 |
/* If we found it, extract the operands. */
|
4171 |
if (info != NULL) { |
4172 |
DisasFormat fmt = info->fmt; |
4173 |
int i;
|
4174 |
|
4175 |
for (i = 0; i < NUM_C_FIELD; ++i) { |
4176 |
extract_field(f, &format_info[fmt].op[i], insn); |
4177 |
} |
4178 |
} |
4179 |
return info;
|
4180 |
} |
4181 |
|
4182 |
static ExitStatus translate_one(CPUS390XState *env, DisasContext *s)
|
4183 |
{ |
4184 |
const DisasInsn *insn;
|
4185 |
ExitStatus ret = NO_EXIT; |
4186 |
DisasFields f; |
4187 |
DisasOps o; |
4188 |
|
4189 |
insn = extract_insn(env, s, &f); |
4190 |
|
4191 |
/* If not found, try the old interpreter. This includes ILLOPC. */
|
4192 |
if (insn == NULL) { |
4193 |
disas_s390_insn(env, s); |
4194 |
switch (s->is_jmp) {
|
4195 |
case DISAS_NEXT:
|
4196 |
ret = NO_EXIT; |
4197 |
break;
|
4198 |
case DISAS_TB_JUMP:
|
4199 |
ret = EXIT_GOTO_TB; |
4200 |
break;
|
4201 |
case DISAS_JUMP:
|
4202 |
ret = EXIT_PC_UPDATED; |
4203 |
break;
|
4204 |
case DISAS_EXCP:
|
4205 |
ret = EXIT_NORETURN; |
4206 |
break;
|
4207 |
default:
|
4208 |
abort(); |
4209 |
} |
4210 |
|
4211 |
s->pc = s->next_pc; |
4212 |
return ret;
|
4213 |
} |
4214 |
|
4215 |
/* Set up the strutures we use to communicate with the helpers. */
|
4216 |
s->insn = insn; |
4217 |
s->fields = &f; |
4218 |
o.g_out = o.g_out2 = o.g_in1 = o.g_in2 = false;
|
4219 |
TCGV_UNUSED_I64(o.out); |
4220 |
TCGV_UNUSED_I64(o.out2); |
4221 |
TCGV_UNUSED_I64(o.in1); |
4222 |
TCGV_UNUSED_I64(o.in2); |
4223 |
TCGV_UNUSED_I64(o.addr1); |
4224 |
|
4225 |
/* Implement the instruction. */
|
4226 |
if (insn->help_in1) {
|
4227 |
insn->help_in1(s, &f, &o); |
4228 |
} |
4229 |
if (insn->help_in2) {
|
4230 |
insn->help_in2(s, &f, &o); |
4231 |
} |
4232 |
if (insn->help_prep) {
|
4233 |
insn->help_prep(s, &f, &o); |
4234 |
} |
4235 |
if (insn->help_op) {
|
4236 |
ret = insn->help_op(s, &o); |
4237 |
} |
4238 |
if (insn->help_wout) {
|
4239 |
insn->help_wout(s, &f, &o); |
4240 |
} |
4241 |
if (insn->help_cout) {
|
4242 |
insn->help_cout(s, &o); |
4243 |
} |
4244 |
|
4245 |
/* Free any temporaries created by the helpers. */
|
4246 |
if (!TCGV_IS_UNUSED_I64(o.out) && !o.g_out) {
|
4247 |
tcg_temp_free_i64(o.out); |
4248 |
} |
4249 |
if (!TCGV_IS_UNUSED_I64(o.out2) && !o.g_out2) {
|
4250 |
tcg_temp_free_i64(o.out2); |
4251 |
} |
4252 |
if (!TCGV_IS_UNUSED_I64(o.in1) && !o.g_in1) {
|
4253 |
tcg_temp_free_i64(o.in1); |
4254 |
} |
4255 |
if (!TCGV_IS_UNUSED_I64(o.in2) && !o.g_in2) {
|
4256 |
tcg_temp_free_i64(o.in2); |
4257 |
} |
4258 |
if (!TCGV_IS_UNUSED_I64(o.addr1)) {
|
4259 |
tcg_temp_free_i64(o.addr1); |
4260 |
} |
4261 |
|
4262 |
/* Advance to the next instruction. */
|
4263 |
s->pc = s->next_pc; |
4264 |
return ret;
|
4265 |
} |
4266 |
|
4267 |
static inline void gen_intermediate_code_internal(CPUS390XState *env, |
4268 |
TranslationBlock *tb, |
4269 |
int search_pc)
|
4270 |
{ |
4271 |
DisasContext dc; |
4272 |
target_ulong pc_start; |
4273 |
uint64_t next_page_start; |
4274 |
uint16_t *gen_opc_end; |
4275 |
int j, lj = -1; |
4276 |
int num_insns, max_insns;
|
4277 |
CPUBreakpoint *bp; |
4278 |
ExitStatus status; |
4279 |
bool do_debug;
|
4280 |
|
4281 |
pc_start = tb->pc; |
4282 |
|
4283 |
/* 31-bit mode */
|
4284 |
if (!(tb->flags & FLAG_MASK_64)) {
|
4285 |
pc_start &= 0x7fffffff;
|
4286 |
} |
4287 |
|
4288 |
dc.tb = tb; |
4289 |
dc.pc = pc_start; |
4290 |
dc.cc_op = CC_OP_DYNAMIC; |
4291 |
do_debug = dc.singlestep_enabled = env->singlestep_enabled; |
4292 |
dc.is_jmp = DISAS_NEXT; |
4293 |
|
4294 |
gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE; |
4295 |
|
4296 |
next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE; |
4297 |
|
4298 |
num_insns = 0;
|
4299 |
max_insns = tb->cflags & CF_COUNT_MASK; |
4300 |
if (max_insns == 0) { |
4301 |
max_insns = CF_COUNT_MASK; |
4302 |
} |
4303 |
|
4304 |
gen_icount_start(); |
4305 |
|
4306 |
do {
|
4307 |
if (search_pc) {
|
4308 |
j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf; |
4309 |
if (lj < j) {
|
4310 |
lj++; |
4311 |
while (lj < j) {
|
4312 |
tcg_ctx.gen_opc_instr_start[lj++] = 0;
|
4313 |
} |
4314 |
} |
4315 |
tcg_ctx.gen_opc_pc[lj] = dc.pc; |
4316 |
gen_opc_cc_op[lj] = dc.cc_op; |
4317 |
tcg_ctx.gen_opc_instr_start[lj] = 1;
|
4318 |
tcg_ctx.gen_opc_icount[lj] = num_insns; |
4319 |
} |
4320 |
if (++num_insns == max_insns && (tb->cflags & CF_LAST_IO)) {
|
4321 |
gen_io_start(); |
4322 |
} |
4323 |
|
4324 |
if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP | CPU_LOG_TB_OP_OPT))) {
|
4325 |
tcg_gen_debug_insn_start(dc.pc); |
4326 |
} |
4327 |
|
4328 |
status = NO_EXIT; |
4329 |
if (unlikely(!QTAILQ_EMPTY(&env->breakpoints))) {
|
4330 |
QTAILQ_FOREACH(bp, &env->breakpoints, entry) { |
4331 |
if (bp->pc == dc.pc) {
|
4332 |
status = EXIT_PC_STALE; |
4333 |
do_debug = true;
|
4334 |
break;
|
4335 |
} |
4336 |
} |
4337 |
} |
4338 |
if (status == NO_EXIT) {
|
4339 |
status = translate_one(env, &dc); |
4340 |
} |
4341 |
|
4342 |
/* If we reach a page boundary, are single stepping,
|
4343 |
or exhaust instruction count, stop generation. */
|
4344 |
if (status == NO_EXIT
|
4345 |
&& (dc.pc >= next_page_start |
4346 |
|| tcg_ctx.gen_opc_ptr >= gen_opc_end |
4347 |
|| num_insns >= max_insns |
4348 |
|| singlestep |
4349 |
|| env->singlestep_enabled)) { |
4350 |
status = EXIT_PC_STALE; |
4351 |
} |
4352 |
} while (status == NO_EXIT);
|
4353 |
|
4354 |
if (tb->cflags & CF_LAST_IO) {
|
4355 |
gen_io_end(); |
4356 |
} |
4357 |
|
4358 |
switch (status) {
|
4359 |
case EXIT_GOTO_TB:
|
4360 |
case EXIT_NORETURN:
|
4361 |
break;
|
4362 |
case EXIT_PC_STALE:
|
4363 |
update_psw_addr(&dc); |
4364 |
/* FALLTHRU */
|
4365 |
case EXIT_PC_UPDATED:
|
4366 |
if (singlestep && dc.cc_op != CC_OP_DYNAMIC) {
|
4367 |
gen_op_calc_cc(&dc); |
4368 |
} else {
|
4369 |
/* Next TB starts off with CC_OP_DYNAMIC,
|
4370 |
so make sure the cc op type is in env */
|
4371 |
gen_op_set_cc_op(&dc); |
4372 |
} |
4373 |
if (do_debug) {
|
4374 |
gen_exception(EXCP_DEBUG); |
4375 |
} else {
|
4376 |
/* Generate the return instruction */
|
4377 |
tcg_gen_exit_tb(0);
|
4378 |
} |
4379 |
break;
|
4380 |
default:
|
4381 |
abort(); |
4382 |
} |
4383 |
|
4384 |
gen_icount_end(tb, num_insns); |
4385 |
*tcg_ctx.gen_opc_ptr = INDEX_op_end; |
4386 |
if (search_pc) {
|
4387 |
j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf; |
4388 |
lj++; |
4389 |
while (lj <= j) {
|
4390 |
tcg_ctx.gen_opc_instr_start[lj++] = 0;
|
4391 |
} |
4392 |
} else {
|
4393 |
tb->size = dc.pc - pc_start; |
4394 |
tb->icount = num_insns; |
4395 |
} |
4396 |
|
4397 |
#if defined(S390X_DEBUG_DISAS)
|
4398 |
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
|
4399 |
qemu_log("IN: %s\n", lookup_symbol(pc_start));
|
4400 |
log_target_disas(env, pc_start, dc.pc - pc_start, 1);
|
4401 |
qemu_log("\n");
|
4402 |
} |
4403 |
#endif
|
4404 |
} |
4405 |
|
4406 |
void gen_intermediate_code (CPUS390XState *env, struct TranslationBlock *tb) |
4407 |
{ |
4408 |
gen_intermediate_code_internal(env, tb, 0);
|
4409 |
} |
4410 |
|
4411 |
void gen_intermediate_code_pc (CPUS390XState *env, struct TranslationBlock *tb) |
4412 |
{ |
4413 |
gen_intermediate_code_internal(env, tb, 1);
|
4414 |
} |
4415 |
|
4416 |
void restore_state_to_opc(CPUS390XState *env, TranslationBlock *tb, int pc_pos) |
4417 |
{ |
4418 |
int cc_op;
|
4419 |
env->psw.addr = tcg_ctx.gen_opc_pc[pc_pos]; |
4420 |
cc_op = gen_opc_cc_op[pc_pos]; |
4421 |
if ((cc_op != CC_OP_DYNAMIC) && (cc_op != CC_OP_STATIC)) {
|
4422 |
env->cc_op = cc_op; |
4423 |
} |
4424 |
} |