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/*
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* Alpha emulation cpu translation for qemu.
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*
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* Copyright (c) 2007 Jocelyn Mayer
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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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#include <stdint.h> |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include "cpu.h" |
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#include "exec-all.h" |
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#include "disas.h" |
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#include "host-utils.h" |
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#include "tcg-op.h" |
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#include "qemu-common.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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#undef ALPHA_DEBUG_DISAS
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#ifdef ALPHA_DEBUG_DISAS
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# define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __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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typedef struct DisasContext DisasContext; |
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struct DisasContext {
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uint64_t pc; |
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int mem_idx;
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#if !defined (CONFIG_USER_ONLY)
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int pal_mode;
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#endif
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CPUAlphaState *env; |
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uint32_t amask; |
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}; |
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|
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/* global register indexes */
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static TCGv_ptr cpu_env;
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static TCGv cpu_ir[31]; |
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static TCGv cpu_fir[31]; |
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static TCGv cpu_pc;
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static TCGv cpu_lock;
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#ifdef CONFIG_USER_ONLY
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static TCGv cpu_uniq;
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#endif
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/* register names */
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static char cpu_reg_names[10*4+21*5 + 10*5+21*6]; |
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#include "gen-icount.h" |
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static void alpha_translate_init(void) |
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{
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int i;
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char *p;
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static int done_init = 0; |
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|
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if (done_init)
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return;
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cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
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p = cpu_reg_names; |
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for (i = 0; i < 31; i++) { |
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sprintf(p, "ir%d", i);
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cpu_ir[i] = tcg_global_mem_new_i64(TCG_AREG0, |
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offsetof(CPUState, ir[i]), p); |
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p += (i < 10) ? 4 : 5; |
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sprintf(p, "fir%d", i);
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cpu_fir[i] = tcg_global_mem_new_i64(TCG_AREG0, |
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offsetof(CPUState, fir[i]), p); |
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p += (i < 10) ? 5 : 6; |
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} |
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cpu_pc = tcg_global_mem_new_i64(TCG_AREG0, |
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offsetof(CPUState, pc), "pc");
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cpu_lock = tcg_global_mem_new_i64(TCG_AREG0, |
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offsetof(CPUState, lock), "lock");
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#ifdef CONFIG_USER_ONLY
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cpu_uniq = tcg_global_mem_new_i64(TCG_AREG0, |
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offsetof(CPUState, unique), "uniq");
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#endif
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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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done_init = 1;
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} |
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static inline void gen_excp(DisasContext *ctx, int exception, int error_code) |
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{
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TCGv_i32 tmp1, tmp2; |
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tcg_gen_movi_i64(cpu_pc, ctx->pc); |
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tmp1 = tcg_const_i32(exception); |
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tmp2 = tcg_const_i32(error_code); |
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gen_helper_excp(tmp1, tmp2); |
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tcg_temp_free_i32(tmp2); |
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tcg_temp_free_i32(tmp1); |
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} |
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static inline void gen_invalid(DisasContext *ctx) |
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{
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gen_excp(ctx, EXCP_OPCDEC, 0);
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} |
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static inline void gen_qemu_ldf(TCGv t0, TCGv t1, int flags) |
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{
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TCGv tmp = tcg_temp_new(); |
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TCGv_i32 tmp32 = tcg_temp_new_i32(); |
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tcg_gen_qemu_ld32u(tmp, t1, flags); |
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tcg_gen_trunc_i64_i32(tmp32, tmp); |
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gen_helper_memory_to_f(t0, tmp32); |
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tcg_temp_free_i32(tmp32); |
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tcg_temp_free(tmp); |
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} |
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static inline void gen_qemu_ldg(TCGv t0, TCGv t1, int flags) |
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{
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TCGv tmp = tcg_temp_new(); |
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tcg_gen_qemu_ld64(tmp, t1, flags); |
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gen_helper_memory_to_g(t0, tmp); |
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tcg_temp_free(tmp); |
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} |
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static inline void gen_qemu_lds(TCGv t0, TCGv t1, int flags) |
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{
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TCGv tmp = tcg_temp_new(); |
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TCGv_i32 tmp32 = tcg_temp_new_i32(); |
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tcg_gen_qemu_ld32u(tmp, t1, flags); |
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tcg_gen_trunc_i64_i32(tmp32, tmp); |
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gen_helper_memory_to_s(t0, tmp32); |
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tcg_temp_free_i32(tmp32); |
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tcg_temp_free(tmp); |
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} |
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static inline void gen_qemu_ldl_l(TCGv t0, TCGv t1, int flags) |
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{
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tcg_gen_mov_i64(cpu_lock, t1); |
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tcg_gen_qemu_ld32s(t0, t1, flags); |
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} |
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static inline void gen_qemu_ldq_l(TCGv t0, TCGv t1, int flags) |
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{
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tcg_gen_mov_i64(cpu_lock, t1); |
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tcg_gen_qemu_ld64(t0, t1, flags); |
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} |
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static inline void gen_load_mem(DisasContext *ctx, |
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void (*tcg_gen_qemu_load)(TCGv t0, TCGv t1,
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int flags),
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int ra, int rb, int32_t disp16, int fp, |
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int clear)
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{
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TCGv addr; |
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if (unlikely(ra == 31)) |
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return;
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addr = tcg_temp_new(); |
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if (rb != 31) { |
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tcg_gen_addi_i64(addr, cpu_ir[rb], disp16); |
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if (clear)
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tcg_gen_andi_i64(addr, addr, ~0x7);
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} else {
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if (clear)
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disp16 &= ~0x7;
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tcg_gen_movi_i64(addr, disp16); |
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} |
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if (fp)
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tcg_gen_qemu_load(cpu_fir[ra], addr, ctx->mem_idx); |
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else
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tcg_gen_qemu_load(cpu_ir[ra], addr, ctx->mem_idx); |
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tcg_temp_free(addr); |
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} |
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static inline void gen_qemu_stf(TCGv t0, TCGv t1, int flags) |
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{
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TCGv_i32 tmp32 = tcg_temp_new_i32(); |
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TCGv tmp = tcg_temp_new(); |
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gen_helper_f_to_memory(tmp32, t0); |
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tcg_gen_extu_i32_i64(tmp, tmp32); |
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tcg_gen_qemu_st32(tmp, t1, flags); |
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tcg_temp_free(tmp); |
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tcg_temp_free_i32(tmp32); |
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} |
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static inline void gen_qemu_stg(TCGv t0, TCGv t1, int flags) |
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{
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TCGv tmp = tcg_temp_new(); |
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gen_helper_g_to_memory(tmp, t0); |
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tcg_gen_qemu_st64(tmp, t1, flags); |
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tcg_temp_free(tmp); |
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} |
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static inline void gen_qemu_sts(TCGv t0, TCGv t1, int flags) |
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{
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TCGv_i32 tmp32 = tcg_temp_new_i32(); |
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TCGv tmp = tcg_temp_new(); |
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gen_helper_s_to_memory(tmp32, t0); |
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tcg_gen_extu_i32_i64(tmp, tmp32); |
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tcg_gen_qemu_st32(tmp, t1, flags); |
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tcg_temp_free(tmp); |
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tcg_temp_free_i32(tmp32); |
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} |
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static inline void gen_qemu_stl_c(TCGv t0, TCGv t1, int flags) |
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{
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int l1, l2;
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l1 = gen_new_label(); |
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l2 = gen_new_label(); |
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tcg_gen_brcond_i64(TCG_COND_NE, cpu_lock, t1, l1); |
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tcg_gen_qemu_st32(t0, t1, flags); |
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tcg_gen_movi_i64(t0, 1);
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tcg_gen_br(l2); |
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gen_set_label(l1); |
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tcg_gen_movi_i64(t0, 0);
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gen_set_label(l2); |
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tcg_gen_movi_i64(cpu_lock, -1);
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} |
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|
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static inline void gen_qemu_stq_c(TCGv t0, TCGv t1, int flags) |
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{
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int l1, l2;
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l1 = gen_new_label(); |
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l2 = gen_new_label(); |
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tcg_gen_brcond_i64(TCG_COND_NE, cpu_lock, t1, l1); |
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tcg_gen_qemu_st64(t0, t1, flags); |
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tcg_gen_movi_i64(t0, 1);
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tcg_gen_br(l2); |
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gen_set_label(l1); |
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tcg_gen_movi_i64(t0, 0);
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gen_set_label(l2); |
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tcg_gen_movi_i64(cpu_lock, -1);
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} |
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|
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static inline void gen_store_mem(DisasContext *ctx, |
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void (*tcg_gen_qemu_store)(TCGv t0, TCGv t1,
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int flags),
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int ra, int rb, int32_t disp16, int fp, |
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int clear, int local) |
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{
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TCGv addr; |
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if (local)
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addr = tcg_temp_local_new(); |
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else
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addr = tcg_temp_new(); |
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if (rb != 31) { |
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tcg_gen_addi_i64(addr, cpu_ir[rb], disp16); |
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if (clear)
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tcg_gen_andi_i64(addr, addr, ~0x7);
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} else {
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if (clear)
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disp16 &= ~0x7;
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tcg_gen_movi_i64(addr, disp16); |
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} |
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if (ra != 31) { |
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if (fp)
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tcg_gen_qemu_store(cpu_fir[ra], addr, ctx->mem_idx); |
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else
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tcg_gen_qemu_store(cpu_ir[ra], addr, ctx->mem_idx); |
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} else {
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TCGv zero; |
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if (local)
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zero = tcg_const_local_i64(0);
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else
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zero = tcg_const_i64(0);
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tcg_gen_qemu_store(zero, addr, ctx->mem_idx); |
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tcg_temp_free(zero); |
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} |
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tcg_temp_free(addr); |
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} |
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|
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static void gen_bcond_pcload(DisasContext *ctx, int32_t disp, int lab_true) |
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{
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int lab_over = gen_new_label();
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|
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tcg_gen_movi_i64(cpu_pc, ctx->pc); |
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tcg_gen_br(lab_over); |
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gen_set_label(lab_true); |
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tcg_gen_movi_i64(cpu_pc, ctx->pc + (int64_t)(disp << 2));
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gen_set_label(lab_over); |
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} |
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|
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static void gen_bcond(DisasContext *ctx, TCGCond cond, int ra, |
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int32_t disp, int mask)
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{
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int lab_true = gen_new_label();
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|
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if (likely(ra != 31)) { |
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if (mask) {
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TCGv tmp = tcg_temp_new(); |
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tcg_gen_andi_i64(tmp, cpu_ir[ra], 1);
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tcg_gen_brcondi_i64(cond, tmp, 0, lab_true);
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tcg_temp_free(tmp); |
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} else {
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tcg_gen_brcondi_i64(cond, cpu_ir[ra], 0, lab_true);
|
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} |
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} else {
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/* Very uncommon case - Do not bother to optimize. */
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TCGv tmp = tcg_const_i64(0);
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tcg_gen_brcondi_i64(cond, tmp, 0, lab_true);
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tcg_temp_free(tmp); |
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} |
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gen_bcond_pcload(ctx, disp, lab_true); |
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} |
| 330 |
|
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/* Generate a forward TCG branch to LAB_TRUE if RA cmp 0.0.
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This is complicated by the fact that -0.0 compares the same as +0.0. */
|
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|
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static void gen_fbcond_internal(TCGCond cond, TCGv src, int lab_true) |
| 335 |
{
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int lab_false = -1; |
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uint64_t mzero = 1ull << 63; |
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TCGv tmp; |
| 339 |
|
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switch (cond) {
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case TCG_COND_LE:
|
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case TCG_COND_GT:
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/* For <= or >, the -0.0 value directly compares the way we want. */
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tcg_gen_brcondi_i64(cond, src, 0, lab_true);
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break;
|
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|
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case TCG_COND_EQ:
|
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case TCG_COND_NE:
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/* For == or !=, we can simply mask off the sign bit and compare. */
|
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/* ??? Assume that the temporary is reclaimed at the branch. */
|
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tmp = tcg_temp_new(); |
| 352 |
tcg_gen_andi_i64(tmp, src, mzero - 1);
|
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tcg_gen_brcondi_i64(cond, tmp, 0, lab_true);
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break;
|
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|
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case TCG_COND_GE:
|
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/* For >=, emit two branches to the destination. */
|
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tcg_gen_brcondi_i64(cond, src, 0, lab_true);
|
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tcg_gen_brcondi_i64(TCG_COND_EQ, src, mzero, lab_true); |
| 360 |
break;
|
| 361 |
|
| 362 |
case TCG_COND_LT:
|
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/* For <, first filter out -0.0 to what will be the fallthru. */
|
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lab_false = gen_new_label(); |
| 365 |
tcg_gen_brcondi_i64(TCG_COND_EQ, src, mzero, lab_false); |
| 366 |
tcg_gen_brcondi_i64(cond, src, 0, lab_true);
|
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gen_set_label(lab_false); |
| 368 |
break;
|
| 369 |
|
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default:
|
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abort(); |
| 372 |
} |
| 373 |
} |
| 374 |
|
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static void gen_fbcond(DisasContext *ctx, TCGCond cond, int ra, int32_t disp) |
| 376 |
{
|
| 377 |
int lab_true;
|
| 378 |
|
| 379 |
if (unlikely(ra == 31)) { |
| 380 |
/* Very uncommon case, but easier to optimize it to an integer
|
| 381 |
comparison than continuing with the floating point comparison. */
|
| 382 |
gen_bcond(ctx, cond, ra, disp, 0);
|
| 383 |
return;
|
| 384 |
} |
| 385 |
|
| 386 |
lab_true = gen_new_label(); |
| 387 |
gen_fbcond_internal(cond, cpu_fir[ra], lab_true); |
| 388 |
gen_bcond_pcload(ctx, disp, lab_true); |
| 389 |
} |
| 390 |
|
| 391 |
static inline void gen_cmov(TCGCond inv_cond, int ra, int rb, int rc, |
| 392 |
int islit, uint8_t lit, int mask) |
| 393 |
{
|
| 394 |
int l1;
|
| 395 |
|
| 396 |
if (unlikely(rc == 31)) |
| 397 |
return;
|
| 398 |
|
| 399 |
l1 = gen_new_label(); |
| 400 |
|
| 401 |
if (ra != 31) { |
| 402 |
if (mask) {
|
| 403 |
TCGv tmp = tcg_temp_new(); |
| 404 |
tcg_gen_andi_i64(tmp, cpu_ir[ra], 1);
|
| 405 |
tcg_gen_brcondi_i64(inv_cond, tmp, 0, l1);
|
| 406 |
tcg_temp_free(tmp); |
| 407 |
} else
|
| 408 |
tcg_gen_brcondi_i64(inv_cond, cpu_ir[ra], 0, l1);
|
| 409 |
} else {
|
| 410 |
/* Very uncommon case - Do not bother to optimize. */
|
| 411 |
TCGv tmp = tcg_const_i64(0);
|
| 412 |
tcg_gen_brcondi_i64(inv_cond, tmp, 0, l1);
|
| 413 |
tcg_temp_free(tmp); |
| 414 |
} |
| 415 |
|
| 416 |
if (islit)
|
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tcg_gen_movi_i64(cpu_ir[rc], lit); |
| 418 |
else
|
| 419 |
tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]); |
| 420 |
gen_set_label(l1); |
| 421 |
} |
| 422 |
|
| 423 |
static void gen_fcmov(TCGCond inv_cond, int ra, int rb, int rc) |
| 424 |
{
|
| 425 |
TCGv va = cpu_fir[ra]; |
| 426 |
int l1;
|
| 427 |
|
| 428 |
if (unlikely(rc == 31)) |
| 429 |
return;
|
| 430 |
if (unlikely(ra == 31)) { |
| 431 |
/* ??? Assume that the temporary is reclaimed at the branch. */
|
| 432 |
va = tcg_const_i64(0);
|
| 433 |
} |
| 434 |
|
| 435 |
l1 = gen_new_label(); |
| 436 |
gen_fbcond_internal(inv_cond, va, l1); |
| 437 |
|
| 438 |
if (rb != 31) |
| 439 |
tcg_gen_mov_i64(cpu_fir[rc], cpu_fir[rb]); |
| 440 |
else
|
| 441 |
tcg_gen_movi_i64(cpu_fir[rc], 0);
|
| 442 |
gen_set_label(l1); |
| 443 |
} |
| 444 |
|
| 445 |
#define FARITH2(name) \
|
| 446 |
static inline void glue(gen_f, name)(int rb, int rc) \ |
| 447 |
{ \
|
| 448 |
if (unlikely(rc == 31)) \ |
| 449 |
return; \
|
| 450 |
\ |
| 451 |
if (rb != 31) \ |
| 452 |
gen_helper_ ## name (cpu_fir[rc], cpu_fir[rb]); \ |
| 453 |
else { \
|
| 454 |
TCGv tmp = tcg_const_i64(0); \
|
| 455 |
gen_helper_ ## name (cpu_fir[rc], tmp); \ |
| 456 |
tcg_temp_free(tmp); \ |
| 457 |
} \ |
| 458 |
} |
| 459 |
FARITH2(sqrts) |
| 460 |
FARITH2(sqrtf) |
| 461 |
FARITH2(sqrtg) |
| 462 |
FARITH2(sqrtt) |
| 463 |
FARITH2(cvtgf) |
| 464 |
FARITH2(cvtgq) |
| 465 |
FARITH2(cvtqf) |
| 466 |
FARITH2(cvtqg) |
| 467 |
FARITH2(cvtst) |
| 468 |
FARITH2(cvtts) |
| 469 |
FARITH2(cvttq) |
| 470 |
FARITH2(cvtqs) |
| 471 |
FARITH2(cvtqt) |
| 472 |
FARITH2(cvtlq) |
| 473 |
FARITH2(cvtql) |
| 474 |
FARITH2(cvtqlv) |
| 475 |
FARITH2(cvtqlsv) |
| 476 |
|
| 477 |
#define FARITH3(name) \
|
| 478 |
static inline void glue(gen_f, name)(int ra, int rb, int rc) \ |
| 479 |
{ \
|
| 480 |
if (unlikely(rc == 31)) \ |
| 481 |
return; \
|
| 482 |
\ |
| 483 |
if (ra != 31) { \ |
| 484 |
if (rb != 31) \ |
| 485 |
gen_helper_ ## name (cpu_fir[rc], cpu_fir[ra], cpu_fir[rb]); \ |
| 486 |
else { \
|
| 487 |
TCGv tmp = tcg_const_i64(0); \
|
| 488 |
gen_helper_ ## name (cpu_fir[rc], cpu_fir[ra], tmp); \ |
| 489 |
tcg_temp_free(tmp); \ |
| 490 |
} \ |
| 491 |
} else { \
|
| 492 |
TCGv tmp = tcg_const_i64(0); \
|
| 493 |
if (rb != 31) \ |
| 494 |
gen_helper_ ## name (cpu_fir[rc], tmp, cpu_fir[rb]); \ |
| 495 |
else \
|
| 496 |
gen_helper_ ## name (cpu_fir[rc], tmp, tmp); \ |
| 497 |
tcg_temp_free(tmp); \ |
| 498 |
} \ |
| 499 |
} |
| 500 |
|
| 501 |
FARITH3(addf) |
| 502 |
FARITH3(subf) |
| 503 |
FARITH3(mulf) |
| 504 |
FARITH3(divf) |
| 505 |
FARITH3(addg) |
| 506 |
FARITH3(subg) |
| 507 |
FARITH3(mulg) |
| 508 |
FARITH3(divg) |
| 509 |
FARITH3(cmpgeq) |
| 510 |
FARITH3(cmpglt) |
| 511 |
FARITH3(cmpgle) |
| 512 |
FARITH3(adds) |
| 513 |
FARITH3(subs) |
| 514 |
FARITH3(muls) |
| 515 |
FARITH3(divs) |
| 516 |
FARITH3(addt) |
| 517 |
FARITH3(subt) |
| 518 |
FARITH3(mult) |
| 519 |
FARITH3(divt) |
| 520 |
FARITH3(cmptun) |
| 521 |
FARITH3(cmpteq) |
| 522 |
FARITH3(cmptlt) |
| 523 |
FARITH3(cmptle) |
| 524 |
FARITH3(cpys) |
| 525 |
FARITH3(cpysn) |
| 526 |
FARITH3(cpyse) |
| 527 |
|
| 528 |
static inline uint64_t zapnot_mask(uint8_t lit) |
| 529 |
{
|
| 530 |
uint64_t mask = 0;
|
| 531 |
int i;
|
| 532 |
|
| 533 |
for (i = 0; i < 8; ++i) { |
| 534 |
if ((lit >> i) & 1) |
| 535 |
mask |= 0xffull << (i * 8); |
| 536 |
} |
| 537 |
return mask;
|
| 538 |
} |
| 539 |
|
| 540 |
/* Implement zapnot with an immediate operand, which expands to some
|
| 541 |
form of immediate AND. This is a basic building block in the
|
| 542 |
definition of many of the other byte manipulation instructions. */
|
| 543 |
static void gen_zapnoti(TCGv dest, TCGv src, uint8_t lit) |
| 544 |
{
|
| 545 |
switch (lit) {
|
| 546 |
case 0x00: |
| 547 |
tcg_gen_movi_i64(dest, 0);
|
| 548 |
break;
|
| 549 |
case 0x01: |
| 550 |
tcg_gen_ext8u_i64(dest, src); |
| 551 |
break;
|
| 552 |
case 0x03: |
| 553 |
tcg_gen_ext16u_i64(dest, src); |
| 554 |
break;
|
| 555 |
case 0x0f: |
| 556 |
tcg_gen_ext32u_i64(dest, src); |
| 557 |
break;
|
| 558 |
case 0xff: |
| 559 |
tcg_gen_mov_i64(dest, src); |
| 560 |
break;
|
| 561 |
default:
|
| 562 |
tcg_gen_andi_i64 (dest, src, zapnot_mask (lit)); |
| 563 |
break;
|
| 564 |
} |
| 565 |
} |
| 566 |
|
| 567 |
static inline void gen_zapnot(int ra, int rb, int rc, int islit, uint8_t lit) |
| 568 |
{
|
| 569 |
if (unlikely(rc == 31)) |
| 570 |
return;
|
| 571 |
else if (unlikely(ra == 31)) |
| 572 |
tcg_gen_movi_i64(cpu_ir[rc], 0);
|
| 573 |
else if (islit) |
| 574 |
gen_zapnoti(cpu_ir[rc], cpu_ir[ra], lit); |
| 575 |
else
|
| 576 |
gen_helper_zapnot (cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); |
| 577 |
} |
| 578 |
|
| 579 |
static inline void gen_zap(int ra, int rb, int rc, int islit, uint8_t lit) |
| 580 |
{
|
| 581 |
if (unlikely(rc == 31)) |
| 582 |
return;
|
| 583 |
else if (unlikely(ra == 31)) |
| 584 |
tcg_gen_movi_i64(cpu_ir[rc], 0);
|
| 585 |
else if (islit) |
| 586 |
gen_zapnoti(cpu_ir[rc], cpu_ir[ra], ~lit); |
| 587 |
else
|
| 588 |
gen_helper_zap (cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); |
| 589 |
} |
| 590 |
|
| 591 |
|
| 592 |
/* EXTWH, EXTLH, EXTQH */
|
| 593 |
static void gen_ext_h(int ra, int rb, int rc, int islit, |
| 594 |
uint8_t lit, uint8_t byte_mask) |
| 595 |
{
|
| 596 |
if (unlikely(rc == 31)) |
| 597 |
return;
|
| 598 |
else if (unlikely(ra == 31)) |
| 599 |
tcg_gen_movi_i64(cpu_ir[rc], 0);
|
| 600 |
else {
|
| 601 |
if (islit) {
|
| 602 |
lit = (64 - (lit & 7) * 8) & 0x3f; |
| 603 |
tcg_gen_shli_i64(cpu_ir[rc], cpu_ir[ra], lit); |
| 604 |
} else {
|
| 605 |
TCGv tmp1 = tcg_temp_new(); |
| 606 |
tcg_gen_andi_i64(tmp1, cpu_ir[rb], 7);
|
| 607 |
tcg_gen_shli_i64(tmp1, tmp1, 3);
|
| 608 |
tcg_gen_neg_i64(tmp1, tmp1); |
| 609 |
tcg_gen_andi_i64(tmp1, tmp1, 0x3f);
|
| 610 |
tcg_gen_shl_i64(cpu_ir[rc], cpu_ir[ra], tmp1); |
| 611 |
tcg_temp_free(tmp1); |
| 612 |
} |
| 613 |
gen_zapnoti(cpu_ir[rc], cpu_ir[rc], byte_mask); |
| 614 |
} |
| 615 |
} |
| 616 |
|
| 617 |
/* EXTBL, EXTWL, EXTLL, EXTQL */
|
| 618 |
static void gen_ext_l(int ra, int rb, int rc, int islit, |
| 619 |
uint8_t lit, uint8_t byte_mask) |
| 620 |
{
|
| 621 |
if (unlikely(rc == 31)) |
| 622 |
return;
|
| 623 |
else if (unlikely(ra == 31)) |
| 624 |
tcg_gen_movi_i64(cpu_ir[rc], 0);
|
| 625 |
else {
|
| 626 |
if (islit) {
|
| 627 |
tcg_gen_shri_i64(cpu_ir[rc], cpu_ir[ra], (lit & 7) * 8); |
| 628 |
} else {
|
| 629 |
TCGv tmp = tcg_temp_new(); |
| 630 |
tcg_gen_andi_i64(tmp, cpu_ir[rb], 7);
|
| 631 |
tcg_gen_shli_i64(tmp, tmp, 3);
|
| 632 |
tcg_gen_shr_i64(cpu_ir[rc], cpu_ir[ra], tmp); |
| 633 |
tcg_temp_free(tmp); |
| 634 |
} |
| 635 |
gen_zapnoti(cpu_ir[rc], cpu_ir[rc], byte_mask); |
| 636 |
} |
| 637 |
} |
| 638 |
|
| 639 |
/* INSWH, INSLH, INSQH */
|
| 640 |
static void gen_ins_h(int ra, int rb, int rc, int islit, |
| 641 |
uint8_t lit, uint8_t byte_mask) |
| 642 |
{
|
| 643 |
if (unlikely(rc == 31)) |
| 644 |
return;
|
| 645 |
else if (unlikely(ra == 31) || (islit && (lit & 7) == 0)) |
| 646 |
tcg_gen_movi_i64(cpu_ir[rc], 0);
|
| 647 |
else {
|
| 648 |
TCGv tmp = tcg_temp_new(); |
| 649 |
|
| 650 |
/* The instruction description has us left-shift the byte mask
|
| 651 |
and extract bits <15:8> and apply that zap at the end. This
|
| 652 |
is equivalent to simply performing the zap first and shifting
|
| 653 |
afterward. */
|
| 654 |
gen_zapnoti (tmp, cpu_ir[ra], byte_mask); |
| 655 |
|
| 656 |
if (islit) {
|
| 657 |
/* Note that we have handled the lit==0 case above. */
|
| 658 |
tcg_gen_shri_i64 (cpu_ir[rc], tmp, 64 - (lit & 7) * 8); |
| 659 |
} else {
|
| 660 |
TCGv shift = tcg_temp_new(); |
| 661 |
|
| 662 |
/* If (B & 7) == 0, we need to shift by 64 and leave a zero.
|
| 663 |
Do this portably by splitting the shift into two parts:
|
| 664 |
shift_count-1 and 1. Arrange for the -1 by using
|
| 665 |
ones-complement instead of twos-complement in the negation:
|
| 666 |
~((B & 7) * 8) & 63. */
|
| 667 |
|
| 668 |
tcg_gen_andi_i64(shift, cpu_ir[rb], 7);
|
| 669 |
tcg_gen_shli_i64(shift, shift, 3);
|
| 670 |
tcg_gen_not_i64(shift, shift); |
| 671 |
tcg_gen_andi_i64(shift, shift, 0x3f);
|
| 672 |
|
| 673 |
tcg_gen_shr_i64(cpu_ir[rc], tmp, shift); |
| 674 |
tcg_gen_shri_i64(cpu_ir[rc], cpu_ir[rc], 1);
|
| 675 |
tcg_temp_free(shift); |
| 676 |
} |
| 677 |
tcg_temp_free(tmp); |
| 678 |
} |
| 679 |
} |
| 680 |
|
| 681 |
/* INSBL, INSWL, INSLL, INSQL */
|
| 682 |
static void gen_ins_l(int ra, int rb, int rc, int islit, |
| 683 |
uint8_t lit, uint8_t byte_mask) |
| 684 |
{
|
| 685 |
if (unlikely(rc == 31)) |
| 686 |
return;
|
| 687 |
else if (unlikely(ra == 31)) |
| 688 |
tcg_gen_movi_i64(cpu_ir[rc], 0);
|
| 689 |
else {
|
| 690 |
TCGv tmp = tcg_temp_new(); |
| 691 |
|
| 692 |
/* The instruction description has us left-shift the byte mask
|
| 693 |
the same number of byte slots as the data and apply the zap
|
| 694 |
at the end. This is equivalent to simply performing the zap
|
| 695 |
first and shifting afterward. */
|
| 696 |
gen_zapnoti (tmp, cpu_ir[ra], byte_mask); |
| 697 |
|
| 698 |
if (islit) {
|
| 699 |
tcg_gen_shli_i64(cpu_ir[rc], tmp, (lit & 7) * 8); |
| 700 |
} else {
|
| 701 |
TCGv shift = tcg_temp_new(); |
| 702 |
tcg_gen_andi_i64(shift, cpu_ir[rb], 7);
|
| 703 |
tcg_gen_shli_i64(shift, shift, 3);
|
| 704 |
tcg_gen_shl_i64(cpu_ir[rc], tmp, shift); |
| 705 |
tcg_temp_free(shift); |
| 706 |
} |
| 707 |
tcg_temp_free(tmp); |
| 708 |
} |
| 709 |
} |
| 710 |
|
| 711 |
/* MSKWH, MSKLH, MSKQH */
|
| 712 |
static void gen_msk_h(int ra, int rb, int rc, int islit, |
| 713 |
uint8_t lit, uint8_t byte_mask) |
| 714 |
{
|
| 715 |
if (unlikely(rc == 31)) |
| 716 |
return;
|
| 717 |
else if (unlikely(ra == 31)) |
| 718 |
tcg_gen_movi_i64(cpu_ir[rc], 0);
|
| 719 |
else if (islit) { |
| 720 |
gen_zapnoti (cpu_ir[rc], cpu_ir[ra], ~((byte_mask << (lit & 7)) >> 8)); |
| 721 |
} else {
|
| 722 |
TCGv shift = tcg_temp_new(); |
| 723 |
TCGv mask = tcg_temp_new(); |
| 724 |
|
| 725 |
/* The instruction description is as above, where the byte_mask
|
| 726 |
is shifted left, and then we extract bits <15:8>. This can be
|
| 727 |
emulated with a right-shift on the expanded byte mask. This
|
| 728 |
requires extra care because for an input <2:0> == 0 we need a
|
| 729 |
shift of 64 bits in order to generate a zero. This is done by
|
| 730 |
splitting the shift into two parts, the variable shift - 1
|
| 731 |
followed by a constant 1 shift. The code we expand below is
|
| 732 |
equivalent to ~((B & 7) * 8) & 63. */
|
| 733 |
|
| 734 |
tcg_gen_andi_i64(shift, cpu_ir[rb], 7);
|
| 735 |
tcg_gen_shli_i64(shift, shift, 3);
|
| 736 |
tcg_gen_not_i64(shift, shift); |
| 737 |
tcg_gen_andi_i64(shift, shift, 0x3f);
|
| 738 |
tcg_gen_movi_i64(mask, zapnot_mask (byte_mask)); |
| 739 |
tcg_gen_shr_i64(mask, mask, shift); |
| 740 |
tcg_gen_shri_i64(mask, mask, 1);
|
| 741 |
|
| 742 |
tcg_gen_andc_i64(cpu_ir[rc], cpu_ir[ra], mask); |
| 743 |
|
| 744 |
tcg_temp_free(mask); |
| 745 |
tcg_temp_free(shift); |
| 746 |
} |
| 747 |
} |
| 748 |
|
| 749 |
/* MSKBL, MSKWL, MSKLL, MSKQL */
|
| 750 |
static void gen_msk_l(int ra, int rb, int rc, int islit, |
| 751 |
uint8_t lit, uint8_t byte_mask) |
| 752 |
{
|
| 753 |
if (unlikely(rc == 31)) |
| 754 |
return;
|
| 755 |
else if (unlikely(ra == 31)) |
| 756 |
tcg_gen_movi_i64(cpu_ir[rc], 0);
|
| 757 |
else if (islit) { |
| 758 |
gen_zapnoti (cpu_ir[rc], cpu_ir[ra], ~(byte_mask << (lit & 7)));
|
| 759 |
} else {
|
| 760 |
TCGv shift = tcg_temp_new(); |
| 761 |
TCGv mask = tcg_temp_new(); |
| 762 |
|
| 763 |
tcg_gen_andi_i64(shift, cpu_ir[rb], 7);
|
| 764 |
tcg_gen_shli_i64(shift, shift, 3);
|
| 765 |
tcg_gen_movi_i64(mask, zapnot_mask (byte_mask)); |
| 766 |
tcg_gen_shl_i64(mask, mask, shift); |
| 767 |
|
| 768 |
tcg_gen_andc_i64(cpu_ir[rc], cpu_ir[ra], mask); |
| 769 |
|
| 770 |
tcg_temp_free(mask); |
| 771 |
tcg_temp_free(shift); |
| 772 |
} |
| 773 |
} |
| 774 |
|
| 775 |
/* Code to call arith3 helpers */
|
| 776 |
#define ARITH3(name) \
|
| 777 |
static inline void glue(gen_, name)(int ra, int rb, int rc, int islit,\ |
| 778 |
uint8_t lit) \ |
| 779 |
{ \
|
| 780 |
if (unlikely(rc == 31)) \ |
| 781 |
return; \
|
| 782 |
\ |
| 783 |
if (ra != 31) { \ |
| 784 |
if (islit) { \
|
| 785 |
TCGv tmp = tcg_const_i64(lit); \ |
| 786 |
gen_helper_ ## name(cpu_ir[rc], cpu_ir[ra], tmp); \ |
| 787 |
tcg_temp_free(tmp); \ |
| 788 |
} else \
|
| 789 |
gen_helper_ ## name (cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); \ |
| 790 |
} else { \
|
| 791 |
TCGv tmp1 = tcg_const_i64(0); \
|
| 792 |
if (islit) { \
|
| 793 |
TCGv tmp2 = tcg_const_i64(lit); \ |
| 794 |
gen_helper_ ## name (cpu_ir[rc], tmp1, tmp2); \ |
| 795 |
tcg_temp_free(tmp2); \ |
| 796 |
} else \
|
| 797 |
gen_helper_ ## name (cpu_ir[rc], tmp1, cpu_ir[rb]); \ |
| 798 |
tcg_temp_free(tmp1); \ |
| 799 |
} \ |
| 800 |
} |
| 801 |
ARITH3(cmpbge) |
| 802 |
ARITH3(addlv) |
| 803 |
ARITH3(sublv) |
| 804 |
ARITH3(addqv) |
| 805 |
ARITH3(subqv) |
| 806 |
ARITH3(umulh) |
| 807 |
ARITH3(mullv) |
| 808 |
ARITH3(mulqv) |
| 809 |
ARITH3(minub8) |
| 810 |
ARITH3(minsb8) |
| 811 |
ARITH3(minuw4) |
| 812 |
ARITH3(minsw4) |
| 813 |
ARITH3(maxub8) |
| 814 |
ARITH3(maxsb8) |
| 815 |
ARITH3(maxuw4) |
| 816 |
ARITH3(maxsw4) |
| 817 |
ARITH3(perr) |
| 818 |
|
| 819 |
#define MVIOP2(name) \
|
| 820 |
static inline void glue(gen_, name)(int rb, int rc) \ |
| 821 |
{ \
|
| 822 |
if (unlikely(rc == 31)) \ |
| 823 |
return; \
|
| 824 |
if (unlikely(rb == 31)) \ |
| 825 |
tcg_gen_movi_i64(cpu_ir[rc], 0); \
|
| 826 |
else \
|
| 827 |
gen_helper_ ## name (cpu_ir[rc], cpu_ir[rb]); \ |
| 828 |
} |
| 829 |
MVIOP2(pklb) |
| 830 |
MVIOP2(pkwb) |
| 831 |
MVIOP2(unpkbl) |
| 832 |
MVIOP2(unpkbw) |
| 833 |
|
| 834 |
static inline void gen_cmp(TCGCond cond, int ra, int rb, int rc, int islit, |
| 835 |
uint8_t lit) |
| 836 |
{
|
| 837 |
int l1, l2;
|
| 838 |
TCGv tmp; |
| 839 |
|
| 840 |
if (unlikely(rc == 31)) |
| 841 |
return;
|
| 842 |
|
| 843 |
l1 = gen_new_label(); |
| 844 |
l2 = gen_new_label(); |
| 845 |
|
| 846 |
if (ra != 31) { |
| 847 |
tmp = tcg_temp_new(); |
| 848 |
tcg_gen_mov_i64(tmp, cpu_ir[ra]); |
| 849 |
} else
|
| 850 |
tmp = tcg_const_i64(0);
|
| 851 |
if (islit)
|
| 852 |
tcg_gen_brcondi_i64(cond, tmp, lit, l1); |
| 853 |
else
|
| 854 |
tcg_gen_brcond_i64(cond, tmp, cpu_ir[rb], l1); |
| 855 |
|
| 856 |
tcg_gen_movi_i64(cpu_ir[rc], 0);
|
| 857 |
tcg_gen_br(l2); |
| 858 |
gen_set_label(l1); |
| 859 |
tcg_gen_movi_i64(cpu_ir[rc], 1);
|
| 860 |
gen_set_label(l2); |
| 861 |
} |
| 862 |
|
| 863 |
static inline int translate_one(DisasContext *ctx, uint32_t insn) |
| 864 |
{
|
| 865 |
uint32_t palcode; |
| 866 |
int32_t disp21, disp16, disp12; |
| 867 |
uint16_t fn11, fn16; |
| 868 |
uint8_t opc, ra, rb, rc, sbz, fpfn, fn7, fn2, islit, real_islit; |
| 869 |
uint8_t lit; |
| 870 |
int ret;
|
| 871 |
|
| 872 |
/* Decode all instruction fields */
|
| 873 |
opc = insn >> 26;
|
| 874 |
ra = (insn >> 21) & 0x1F; |
| 875 |
rb = (insn >> 16) & 0x1F; |
| 876 |
rc = insn & 0x1F;
|
| 877 |
sbz = (insn >> 13) & 0x07; |
| 878 |
real_islit = islit = (insn >> 12) & 1; |
| 879 |
if (rb == 31 && !islit) { |
| 880 |
islit = 1;
|
| 881 |
lit = 0;
|
| 882 |
} else
|
| 883 |
lit = (insn >> 13) & 0xFF; |
| 884 |
palcode = insn & 0x03FFFFFF;
|
| 885 |
disp21 = ((int32_t)((insn & 0x001FFFFF) << 11)) >> 11; |
| 886 |
disp16 = (int16_t)(insn & 0x0000FFFF);
|
| 887 |
disp12 = (int32_t)((insn & 0x00000FFF) << 20) >> 20; |
| 888 |
fn16 = insn & 0x0000FFFF;
|
| 889 |
fn11 = (insn >> 5) & 0x000007FF; |
| 890 |
fpfn = fn11 & 0x3F;
|
| 891 |
fn7 = (insn >> 5) & 0x0000007F; |
| 892 |
fn2 = (insn >> 5) & 0x00000003; |
| 893 |
ret = 0;
|
| 894 |
LOG_DISAS("opc %02x ra %2d rb %2d rc %2d disp16 %6d\n",
|
| 895 |
opc, ra, rb, rc, disp16); |
| 896 |
|
| 897 |
switch (opc) {
|
| 898 |
case 0x00: |
| 899 |
/* CALL_PAL */
|
| 900 |
#ifdef CONFIG_USER_ONLY
|
| 901 |
if (palcode == 0x9E) { |
| 902 |
/* RDUNIQUE */
|
| 903 |
tcg_gen_mov_i64(cpu_ir[IR_V0], cpu_uniq); |
| 904 |
break;
|
| 905 |
} else if (palcode == 0x9F) { |
| 906 |
/* WRUNIQUE */
|
| 907 |
tcg_gen_mov_i64(cpu_uniq, cpu_ir[IR_A0]); |
| 908 |
break;
|
| 909 |
} |
| 910 |
#endif
|
| 911 |
if (palcode >= 0x80 && palcode < 0xC0) { |
| 912 |
/* Unprivileged PAL call */
|
| 913 |
gen_excp(ctx, EXCP_CALL_PAL + ((palcode & 0x3F) << 6), 0); |
| 914 |
ret = 3;
|
| 915 |
break;
|
| 916 |
} |
| 917 |
#ifndef CONFIG_USER_ONLY
|
| 918 |
if (palcode < 0x40) { |
| 919 |
/* Privileged PAL code */
|
| 920 |
if (ctx->mem_idx & 1) |
| 921 |
goto invalid_opc;
|
| 922 |
gen_excp(ctx, EXCP_CALL_PALP + ((palcode & 0x3F) << 6), 0); |
| 923 |
ret = 3;
|
| 924 |
} |
| 925 |
#endif
|
| 926 |
/* Invalid PAL call */
|
| 927 |
goto invalid_opc;
|
| 928 |
case 0x01: |
| 929 |
/* OPC01 */
|
| 930 |
goto invalid_opc;
|
| 931 |
case 0x02: |
| 932 |
/* OPC02 */
|
| 933 |
goto invalid_opc;
|
| 934 |
case 0x03: |
| 935 |
/* OPC03 */
|
| 936 |
goto invalid_opc;
|
| 937 |
case 0x04: |
| 938 |
/* OPC04 */
|
| 939 |
goto invalid_opc;
|
| 940 |
case 0x05: |
| 941 |
/* OPC05 */
|
| 942 |
goto invalid_opc;
|
| 943 |
case 0x06: |
| 944 |
/* OPC06 */
|
| 945 |
goto invalid_opc;
|
| 946 |
case 0x07: |
| 947 |
/* OPC07 */
|
| 948 |
goto invalid_opc;
|
| 949 |
case 0x08: |
| 950 |
/* LDA */
|
| 951 |
if (likely(ra != 31)) { |
| 952 |
if (rb != 31) |
| 953 |
tcg_gen_addi_i64(cpu_ir[ra], cpu_ir[rb], disp16); |
| 954 |
else
|
| 955 |
tcg_gen_movi_i64(cpu_ir[ra], disp16); |
| 956 |
} |
| 957 |
break;
|
| 958 |
case 0x09: |
| 959 |
/* LDAH */
|
| 960 |
if (likely(ra != 31)) { |
| 961 |
if (rb != 31) |
| 962 |
tcg_gen_addi_i64(cpu_ir[ra], cpu_ir[rb], disp16 << 16);
|
| 963 |
else
|
| 964 |
tcg_gen_movi_i64(cpu_ir[ra], disp16 << 16);
|
| 965 |
} |
| 966 |
break;
|
| 967 |
case 0x0A: |
| 968 |
/* LDBU */
|
| 969 |
if (!(ctx->amask & AMASK_BWX))
|
| 970 |
goto invalid_opc;
|
| 971 |
gen_load_mem(ctx, &tcg_gen_qemu_ld8u, ra, rb, disp16, 0, 0); |
| 972 |
break;
|
| 973 |
case 0x0B: |
| 974 |
/* LDQ_U */
|
| 975 |
gen_load_mem(ctx, &tcg_gen_qemu_ld64, ra, rb, disp16, 0, 1); |
| 976 |
break;
|
| 977 |
case 0x0C: |
| 978 |
/* LDWU */
|
| 979 |
if (!(ctx->amask & AMASK_BWX))
|
| 980 |
goto invalid_opc;
|
| 981 |
gen_load_mem(ctx, &tcg_gen_qemu_ld16u, ra, rb, disp16, 0, 0); |
| 982 |
break;
|
| 983 |
case 0x0D: |
| 984 |
/* STW */
|
| 985 |
gen_store_mem(ctx, &tcg_gen_qemu_st16, ra, rb, disp16, 0, 0, 0); |
| 986 |
break;
|
| 987 |
case 0x0E: |
| 988 |
/* STB */
|
| 989 |
gen_store_mem(ctx, &tcg_gen_qemu_st8, ra, rb, disp16, 0, 0, 0); |
| 990 |
break;
|
| 991 |
case 0x0F: |
| 992 |
/* STQ_U */
|
| 993 |
gen_store_mem(ctx, &tcg_gen_qemu_st64, ra, rb, disp16, 0, 1, 0); |
| 994 |
break;
|
| 995 |
case 0x10: |
| 996 |
switch (fn7) {
|
| 997 |
case 0x00: |
| 998 |
/* ADDL */
|
| 999 |
if (likely(rc != 31)) { |
| 1000 |
if (ra != 31) { |
| 1001 |
if (islit) {
|
| 1002 |
tcg_gen_addi_i64(cpu_ir[rc], cpu_ir[ra], lit); |
| 1003 |
tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]); |
| 1004 |
} else {
|
| 1005 |
tcg_gen_add_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); |
| 1006 |
tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]); |
| 1007 |
} |
| 1008 |
} else {
|
| 1009 |
if (islit)
|
| 1010 |
tcg_gen_movi_i64(cpu_ir[rc], lit); |
| 1011 |
else
|
| 1012 |
tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rb]); |
| 1013 |
} |
| 1014 |
} |
| 1015 |
break;
|
| 1016 |
case 0x02: |
| 1017 |
/* S4ADDL */
|
| 1018 |
if (likely(rc != 31)) { |
| 1019 |
if (ra != 31) { |
| 1020 |
TCGv tmp = tcg_temp_new(); |
| 1021 |
tcg_gen_shli_i64(tmp, cpu_ir[ra], 2);
|
| 1022 |
if (islit)
|
| 1023 |
tcg_gen_addi_i64(tmp, tmp, lit); |
| 1024 |
else
|
| 1025 |
tcg_gen_add_i64(tmp, tmp, cpu_ir[rb]); |
| 1026 |
tcg_gen_ext32s_i64(cpu_ir[rc], tmp); |
| 1027 |
tcg_temp_free(tmp); |
| 1028 |
} else {
|
| 1029 |
if (islit)
|
| 1030 |
tcg_gen_movi_i64(cpu_ir[rc], lit); |
| 1031 |
else
|
| 1032 |
tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rb]); |
| 1033 |
} |
| 1034 |
} |
| 1035 |
break;
|
| 1036 |
case 0x09: |
| 1037 |
/* SUBL */
|
| 1038 |
if (likely(rc != 31)) { |
| 1039 |
if (ra != 31) { |
| 1040 |
if (islit)
|
| 1041 |
tcg_gen_subi_i64(cpu_ir[rc], cpu_ir[ra], lit); |
| 1042 |
else
|
| 1043 |
tcg_gen_sub_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); |
| 1044 |
tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]); |
| 1045 |
} else {
|
| 1046 |
if (islit)
|
| 1047 |
tcg_gen_movi_i64(cpu_ir[rc], -lit); |
| 1048 |
else {
|
| 1049 |
tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]); |
| 1050 |
tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]); |
| 1051 |
} |
| 1052 |
} |
| 1053 |
break;
|
| 1054 |
case 0x0B: |
| 1055 |
/* S4SUBL */
|
| 1056 |
if (likely(rc != 31)) { |
| 1057 |
if (ra != 31) { |
| 1058 |
TCGv tmp = tcg_temp_new(); |
| 1059 |
tcg_gen_shli_i64(tmp, cpu_ir[ra], 2);
|
| 1060 |
if (islit)
|
| 1061 |
tcg_gen_subi_i64(tmp, tmp, lit); |
| 1062 |
else
|
| 1063 |
tcg_gen_sub_i64(tmp, tmp, cpu_ir[rb]); |
| 1064 |
tcg_gen_ext32s_i64(cpu_ir[rc], tmp); |
| 1065 |
tcg_temp_free(tmp); |
| 1066 |
} else {
|
| 1067 |
if (islit)
|
| 1068 |
tcg_gen_movi_i64(cpu_ir[rc], -lit); |
| 1069 |
else {
|
| 1070 |
tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]); |
| 1071 |
tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]); |
| 1072 |
} |
| 1073 |
} |
| 1074 |
} |
| 1075 |
break;
|
| 1076 |
case 0x0F: |
| 1077 |
/* CMPBGE */
|
| 1078 |
gen_cmpbge(ra, rb, rc, islit, lit); |
| 1079 |
break;
|
| 1080 |
case 0x12: |
| 1081 |
/* S8ADDL */
|
| 1082 |
if (likely(rc != 31)) { |
| 1083 |
if (ra != 31) { |
| 1084 |
TCGv tmp = tcg_temp_new(); |
| 1085 |
tcg_gen_shli_i64(tmp, cpu_ir[ra], 3);
|
| 1086 |
if (islit)
|
| 1087 |
tcg_gen_addi_i64(tmp, tmp, lit); |
| 1088 |
else
|
| 1089 |
tcg_gen_add_i64(tmp, tmp, cpu_ir[rb]); |
| 1090 |
tcg_gen_ext32s_i64(cpu_ir[rc], tmp); |
| 1091 |
tcg_temp_free(tmp); |
| 1092 |
} else {
|
| 1093 |
if (islit)
|
| 1094 |
tcg_gen_movi_i64(cpu_ir[rc], lit); |
| 1095 |
else
|
| 1096 |
tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rb]); |
| 1097 |
} |
| 1098 |
} |
| 1099 |
break;
|
| 1100 |
case 0x1B: |
| 1101 |
/* S8SUBL */
|
| 1102 |
if (likely(rc != 31)) { |
| 1103 |
if (ra != 31) { |
| 1104 |
TCGv tmp = tcg_temp_new(); |
| 1105 |
tcg_gen_shli_i64(tmp, cpu_ir[ra], 3);
|
| 1106 |
if (islit)
|
| 1107 |
tcg_gen_subi_i64(tmp, tmp, lit); |
| 1108 |
else
|
| 1109 |
tcg_gen_sub_i64(tmp, tmp, cpu_ir[rb]); |
| 1110 |
tcg_gen_ext32s_i64(cpu_ir[rc], tmp); |
| 1111 |
tcg_temp_free(tmp); |
| 1112 |
} else {
|
| 1113 |
if (islit)
|
| 1114 |
tcg_gen_movi_i64(cpu_ir[rc], -lit); |
| 1115 |
else
|
| 1116 |
tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]); |
| 1117 |
tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]); |
| 1118 |
} |
| 1119 |
} |
| 1120 |
} |
| 1121 |
break;
|
| 1122 |
case 0x1D: |
| 1123 |
/* CMPULT */
|
| 1124 |
gen_cmp(TCG_COND_LTU, ra, rb, rc, islit, lit); |
| 1125 |
break;
|
| 1126 |
case 0x20: |
| 1127 |
/* ADDQ */
|
| 1128 |
if (likely(rc != 31)) { |
| 1129 |
if (ra != 31) { |
| 1130 |
if (islit)
|
| 1131 |
tcg_gen_addi_i64(cpu_ir[rc], cpu_ir[ra], lit); |
| 1132 |
else
|
| 1133 |
tcg_gen_add_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); |
| 1134 |
} else {
|
| 1135 |
if (islit)
|
| 1136 |
tcg_gen_movi_i64(cpu_ir[rc], lit); |
| 1137 |
else
|
| 1138 |
tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]); |
| 1139 |
} |
| 1140 |
} |
| 1141 |
break;
|
| 1142 |
case 0x22: |
| 1143 |
/* S4ADDQ */
|
| 1144 |
if (likely(rc != 31)) { |
| 1145 |
if (ra != 31) { |
| 1146 |
TCGv tmp = tcg_temp_new(); |
| 1147 |
tcg_gen_shli_i64(tmp, cpu_ir[ra], 2);
|
| 1148 |
if (islit)
|
| 1149 |
tcg_gen_addi_i64(cpu_ir[rc], tmp, lit); |
| 1150 |
else
|
| 1151 |
tcg_gen_add_i64(cpu_ir[rc], tmp, cpu_ir[rb]); |
| 1152 |
tcg_temp_free(tmp); |
| 1153 |
} else {
|
| 1154 |
if (islit)
|
| 1155 |
tcg_gen_movi_i64(cpu_ir[rc], lit); |
| 1156 |
else
|
| 1157 |
tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]); |
| 1158 |
} |
| 1159 |
} |
| 1160 |
break;
|
| 1161 |
case 0x29: |
| 1162 |
/* SUBQ */
|
| 1163 |
if (likely(rc != 31)) { |
| 1164 |
if (ra != 31) { |
| 1165 |
if (islit)
|
| 1166 |
tcg_gen_subi_i64(cpu_ir[rc], cpu_ir[ra], lit); |
| 1167 |
else
|
| 1168 |
tcg_gen_sub_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); |
| 1169 |
} else {
|
| 1170 |
if (islit)
|
| 1171 |
tcg_gen_movi_i64(cpu_ir[rc], -lit); |
| 1172 |
else
|
| 1173 |
tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]); |
| 1174 |
} |
| 1175 |
} |
| 1176 |
break;
|
| 1177 |
case 0x2B: |
| 1178 |
/* S4SUBQ */
|
| 1179 |
if (likely(rc != 31)) { |
| 1180 |
if (ra != 31) { |
| 1181 |
TCGv tmp = tcg_temp_new(); |
| 1182 |
tcg_gen_shli_i64(tmp, cpu_ir[ra], 2);
|
| 1183 |
if (islit)
|
| 1184 |
tcg_gen_subi_i64(cpu_ir[rc], tmp, lit); |
| 1185 |
else
|
| 1186 |
tcg_gen_sub_i64(cpu_ir[rc], tmp, cpu_ir[rb]); |
| 1187 |
tcg_temp_free(tmp); |
| 1188 |
} else {
|
| 1189 |
if (islit)
|
| 1190 |
tcg_gen_movi_i64(cpu_ir[rc], -lit); |
| 1191 |
else
|
| 1192 |
tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]); |
| 1193 |
} |
| 1194 |
} |
| 1195 |
break;
|
| 1196 |
case 0x2D: |
| 1197 |
/* CMPEQ */
|
| 1198 |
gen_cmp(TCG_COND_EQ, ra, rb, rc, islit, lit); |
| 1199 |
break;
|
| 1200 |
case 0x32: |
| 1201 |
/* S8ADDQ */
|
| 1202 |
if (likely(rc != 31)) { |
| 1203 |
if (ra != 31) { |
| 1204 |
TCGv tmp = tcg_temp_new(); |
| 1205 |
tcg_gen_shli_i64(tmp, cpu_ir[ra], 3);
|
| 1206 |
if (islit)
|
| 1207 |
tcg_gen_addi_i64(cpu_ir[rc], tmp, lit); |
| 1208 |
else
|
| 1209 |
tcg_gen_add_i64(cpu_ir[rc], tmp, cpu_ir[rb]); |
| 1210 |
tcg_temp_free(tmp); |
| 1211 |
} else {
|
| 1212 |
if (islit)
|
| 1213 |
tcg_gen_movi_i64(cpu_ir[rc], lit); |
| 1214 |
else
|
| 1215 |
tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]); |
| 1216 |
} |
| 1217 |
} |
| 1218 |
break;
|
| 1219 |
case 0x3B: |
| 1220 |
/* S8SUBQ */
|
| 1221 |
if (likely(rc != 31)) { |
| 1222 |
if (ra != 31) { |
| 1223 |
TCGv tmp = tcg_temp_new(); |
| 1224 |
tcg_gen_shli_i64(tmp, cpu_ir[ra], 3);
|
| 1225 |
if (islit)
|
| 1226 |
tcg_gen_subi_i64(cpu_ir[rc], tmp, lit); |
| 1227 |
else
|
| 1228 |
tcg_gen_sub_i64(cpu_ir[rc], tmp, cpu_ir[rb]); |
| 1229 |
tcg_temp_free(tmp); |
| 1230 |
} else {
|
| 1231 |
if (islit)
|
| 1232 |
tcg_gen_movi_i64(cpu_ir[rc], -lit); |
| 1233 |
else
|
| 1234 |
tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]); |
| 1235 |
} |
| 1236 |
} |
| 1237 |
break;
|
| 1238 |
case 0x3D: |
| 1239 |
/* CMPULE */
|
| 1240 |
gen_cmp(TCG_COND_LEU, ra, rb, rc, islit, lit); |
| 1241 |
break;
|
| 1242 |
case 0x40: |
| 1243 |
/* ADDL/V */
|
| 1244 |
gen_addlv(ra, rb, rc, islit, lit); |
| 1245 |
break;
|
| 1246 |
case 0x49: |
| 1247 |
/* SUBL/V */
|
| 1248 |
gen_sublv(ra, rb, rc, islit, lit); |
| 1249 |
break;
|
| 1250 |
case 0x4D: |
| 1251 |
/* CMPLT */
|
| 1252 |
gen_cmp(TCG_COND_LT, ra, rb, rc, islit, lit); |
| 1253 |
break;
|
| 1254 |
case 0x60: |
| 1255 |
/* ADDQ/V */
|
| 1256 |
gen_addqv(ra, rb, rc, islit, lit); |
| 1257 |
break;
|
| 1258 |
case 0x69: |
| 1259 |
/* SUBQ/V */
|
| 1260 |
gen_subqv(ra, rb, rc, islit, lit); |
| 1261 |
break;
|
| 1262 |
case 0x6D: |
| 1263 |
/* CMPLE */
|
| 1264 |
gen_cmp(TCG_COND_LE, ra, rb, rc, islit, lit); |
| 1265 |
break;
|
| 1266 |
default:
|
| 1267 |
goto invalid_opc;
|
| 1268 |
} |
| 1269 |
break;
|
| 1270 |
case 0x11: |
| 1271 |
switch (fn7) {
|
| 1272 |
case 0x00: |
| 1273 |
/* AND */
|
| 1274 |
if (likely(rc != 31)) { |
| 1275 |
if (ra == 31) |
| 1276 |
tcg_gen_movi_i64(cpu_ir[rc], 0);
|
| 1277 |
else if (islit) |
| 1278 |
tcg_gen_andi_i64(cpu_ir[rc], cpu_ir[ra], lit); |
| 1279 |
else
|
| 1280 |
tcg_gen_and_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); |
| 1281 |
} |
| 1282 |
break;
|
| 1283 |
case 0x08: |
| 1284 |
/* BIC */
|
| 1285 |
if (likely(rc != 31)) { |
| 1286 |
if (ra != 31) { |
| 1287 |
if (islit)
|
| 1288 |
tcg_gen_andi_i64(cpu_ir[rc], cpu_ir[ra], ~lit); |
| 1289 |
else
|
| 1290 |
tcg_gen_andc_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); |
| 1291 |
} else
|
| 1292 |
tcg_gen_movi_i64(cpu_ir[rc], 0);
|
| 1293 |
} |
| 1294 |
break;
|
| 1295 |
case 0x14: |
| 1296 |
/* CMOVLBS */
|
| 1297 |
gen_cmov(TCG_COND_EQ, ra, rb, rc, islit, lit, 1);
|
| 1298 |
break;
|
| 1299 |
case 0x16: |
| 1300 |
/* CMOVLBC */
|
| 1301 |
gen_cmov(TCG_COND_NE, ra, rb, rc, islit, lit, 1);
|
| 1302 |
break;
|
| 1303 |
case 0x20: |
| 1304 |
/* BIS */
|
| 1305 |
if (likely(rc != 31)) { |
| 1306 |
if (ra != 31) { |
| 1307 |
if (islit)
|
| 1308 |
tcg_gen_ori_i64(cpu_ir[rc], cpu_ir[ra], lit); |
| 1309 |
else
|
| 1310 |
tcg_gen_or_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); |
| 1311 |
} else {
|
| 1312 |
if (islit)
|
| 1313 |
tcg_gen_movi_i64(cpu_ir[rc], lit); |
| 1314 |
else
|
| 1315 |
tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]); |
| 1316 |
} |
| 1317 |
} |
| 1318 |
break;
|
| 1319 |
case 0x24: |
| 1320 |
/* CMOVEQ */
|
| 1321 |
gen_cmov(TCG_COND_NE, ra, rb, rc, islit, lit, 0);
|
| 1322 |
break;
|
| 1323 |
case 0x26: |
| 1324 |
/* CMOVNE */
|
| 1325 |
gen_cmov(TCG_COND_EQ, ra, rb, rc, islit, lit, 0);
|
| 1326 |
break;
|
| 1327 |
case 0x28: |
| 1328 |
/* ORNOT */
|
| 1329 |
if (likely(rc != 31)) { |
| 1330 |
if (ra != 31) { |
| 1331 |
if (islit)
|
| 1332 |
tcg_gen_ori_i64(cpu_ir[rc], cpu_ir[ra], ~lit); |
| 1333 |
else
|
| 1334 |
tcg_gen_orc_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); |
| 1335 |
} else {
|
| 1336 |
if (islit)
|
| 1337 |
tcg_gen_movi_i64(cpu_ir[rc], ~lit); |
| 1338 |
else
|
| 1339 |
tcg_gen_not_i64(cpu_ir[rc], cpu_ir[rb]); |
| 1340 |
} |
| 1341 |
} |
| 1342 |
break;
|
| 1343 |
case 0x40: |
| 1344 |
/* XOR */
|
| 1345 |
if (likely(rc != 31)) { |
| 1346 |
if (ra != 31) { |
| 1347 |
if (islit)
|
| 1348 |
tcg_gen_xori_i64(cpu_ir[rc], cpu_ir[ra], lit); |
| 1349 |
else
|
| 1350 |
tcg_gen_xor_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); |
| 1351 |
} else {
|
| 1352 |
if (islit)
|
| 1353 |
tcg_gen_movi_i64(cpu_ir[rc], lit); |
| 1354 |
else
|
| 1355 |
tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]); |
| 1356 |
} |
| 1357 |
} |
| 1358 |
break;
|
| 1359 |
case 0x44: |
| 1360 |
/* CMOVLT */
|
| 1361 |
gen_cmov(TCG_COND_GE, ra, rb, rc, islit, lit, 0);
|
| 1362 |
break;
|
| 1363 |
case 0x46: |
| 1364 |
/* CMOVGE */
|
| 1365 |
gen_cmov(TCG_COND_LT, ra, rb, rc, islit, lit, 0);
|
| 1366 |
break;
|
| 1367 |
case 0x48: |
| 1368 |
/* EQV */
|
| 1369 |
if (likely(rc != 31)) { |
| 1370 |
if (ra != 31) { |
| 1371 |
if (islit)
|
| 1372 |
tcg_gen_xori_i64(cpu_ir[rc], cpu_ir[ra], ~lit); |
| 1373 |
else
|
| 1374 |
tcg_gen_eqv_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); |
| 1375 |
} else {
|
| 1376 |
if (islit)
|
| 1377 |
tcg_gen_movi_i64(cpu_ir[rc], ~lit); |
| 1378 |
else
|
| 1379 |
tcg_gen_not_i64(cpu_ir[rc], cpu_ir[rb]); |
| 1380 |
} |
| 1381 |
} |
| 1382 |
break;
|
| 1383 |
case 0x61: |
| 1384 |
/* AMASK */
|
| 1385 |
if (likely(rc != 31)) { |
| 1386 |
if (islit)
|
| 1387 |
tcg_gen_movi_i64(cpu_ir[rc], lit); |
| 1388 |
else
|
| 1389 |
tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]); |
| 1390 |
switch (ctx->env->implver) {
|
| 1391 |
case IMPLVER_2106x:
|
| 1392 |
/* EV4, EV45, LCA, LCA45 & EV5 */
|
| 1393 |
break;
|
| 1394 |
case IMPLVER_21164:
|
| 1395 |
case IMPLVER_21264:
|
| 1396 |
case IMPLVER_21364:
|
| 1397 |
tcg_gen_andi_i64(cpu_ir[rc], cpu_ir[rc], |
| 1398 |
~(uint64_t)ctx->amask); |
| 1399 |
break;
|
| 1400 |
} |
| 1401 |
} |
| 1402 |
break;
|
| 1403 |
case 0x64: |
| 1404 |
/* CMOVLE */
|
| 1405 |
gen_cmov(TCG_COND_GT, ra, rb, rc, islit, lit, 0);
|
| 1406 |
break;
|
| 1407 |
case 0x66: |
| 1408 |
/* CMOVGT */
|
| 1409 |
gen_cmov(TCG_COND_LE, ra, rb, rc, islit, lit, 0);
|
| 1410 |
break;
|
| 1411 |
case 0x6C: |
| 1412 |
/* IMPLVER */
|
| 1413 |
if (rc != 31) |
| 1414 |
tcg_gen_movi_i64(cpu_ir[rc], ctx->env->implver); |
| 1415 |
break;
|
| 1416 |
default:
|
| 1417 |
goto invalid_opc;
|
| 1418 |
} |
| 1419 |
break;
|
| 1420 |
case 0x12: |
| 1421 |
switch (fn7) {
|
| 1422 |
case 0x02: |
| 1423 |
/* MSKBL */
|
| 1424 |
gen_msk_l(ra, rb, rc, islit, lit, 0x01);
|
| 1425 |
break;
|
| 1426 |
case 0x06: |
| 1427 |
/* EXTBL */
|
| 1428 |
gen_ext_l(ra, rb, rc, islit, lit, 0x01);
|
| 1429 |
break;
|
| 1430 |
case 0x0B: |
| 1431 |
/* INSBL */
|
| 1432 |
gen_ins_l(ra, rb, rc, islit, lit, 0x01);
|
| 1433 |
break;
|
| 1434 |
case 0x12: |
| 1435 |
/* MSKWL */
|
| 1436 |
gen_msk_l(ra, rb, rc, islit, lit, 0x03);
|
| 1437 |
break;
|
| 1438 |
case 0x16: |
| 1439 |
/* EXTWL */
|
| 1440 |
gen_ext_l(ra, rb, rc, islit, lit, 0x03);
|
| 1441 |
break;
|
| 1442 |
case 0x1B: |
| 1443 |
/* INSWL */
|
| 1444 |
gen_ins_l(ra, rb, rc, islit, lit, 0x03);
|
| 1445 |
break;
|
| 1446 |
case 0x22: |
| 1447 |
/* MSKLL */
|
| 1448 |
gen_msk_l(ra, rb, rc, islit, lit, 0x0f);
|
| 1449 |
break;
|
| 1450 |
case 0x26: |
| 1451 |
/* EXTLL */
|
| 1452 |
gen_ext_l(ra, rb, rc, islit, lit, 0x0f);
|
| 1453 |
break;
|
| 1454 |
case 0x2B: |
| 1455 |
/* INSLL */
|
| 1456 |
gen_ins_l(ra, rb, rc, islit, lit, 0x0f);
|
| 1457 |
break;
|
| 1458 |
case 0x30: |
| 1459 |
/* ZAP */
|
| 1460 |
gen_zap(ra, rb, rc, islit, lit); |
| 1461 |
break;
|
| 1462 |
case 0x31: |
| 1463 |
/* ZAPNOT */
|
| 1464 |
gen_zapnot(ra, rb, rc, islit, lit); |
| 1465 |
break;
|
| 1466 |
case 0x32: |
| 1467 |
/* MSKQL */
|
| 1468 |
gen_msk_l(ra, rb, rc, islit, lit, 0xff);
|
| 1469 |
break;
|
| 1470 |
case 0x34: |
| 1471 |
/* SRL */
|
| 1472 |
if (likely(rc != 31)) { |
| 1473 |
if (ra != 31) { |
| 1474 |
if (islit)
|
| 1475 |
tcg_gen_shri_i64(cpu_ir[rc], cpu_ir[ra], lit & 0x3f);
|
| 1476 |
else {
|
| 1477 |
TCGv shift = tcg_temp_new(); |
| 1478 |
tcg_gen_andi_i64(shift, cpu_ir[rb], 0x3f);
|
| 1479 |
tcg_gen_shr_i64(cpu_ir[rc], cpu_ir[ra], shift); |
| 1480 |
tcg_temp_free(shift); |
| 1481 |
} |
| 1482 |
} else
|
| 1483 |
tcg_gen_movi_i64(cpu_ir[rc], 0);
|
| 1484 |
} |
| 1485 |
break;
|
| 1486 |
case 0x36: |
| 1487 |
/* EXTQL */
|
| 1488 |
gen_ext_l(ra, rb, rc, islit, lit, 0xff);
|
| 1489 |
break;
|
| 1490 |
case 0x39: |
| 1491 |
/* SLL */
|
| 1492 |
if (likely(rc != 31)) { |
| 1493 |
if (ra != 31) { |
| 1494 |
if (islit)
|
| 1495 |
tcg_gen_shli_i64(cpu_ir[rc], cpu_ir[ra], lit & 0x3f);
|
| 1496 |
else {
|
| 1497 |
TCGv shift = tcg_temp_new(); |
| 1498 |
tcg_gen_andi_i64(shift, cpu_ir[rb], 0x3f);
|
| 1499 |
tcg_gen_shl_i64(cpu_ir[rc], cpu_ir[ra], shift); |
| 1500 |
tcg_temp_free(shift); |
| 1501 |
} |
| 1502 |
} else
|
| 1503 |
tcg_gen_movi_i64(cpu_ir[rc], 0);
|
| 1504 |
} |
| 1505 |
break;
|
| 1506 |
case 0x3B: |
| 1507 |
/* INSQL */
|
| 1508 |
gen_ins_l(ra, rb, rc, islit, lit, 0xff);
|
| 1509 |
break;
|
| 1510 |
case 0x3C: |
| 1511 |
/* SRA */
|
| 1512 |
if (likely(rc != 31)) { |
| 1513 |
if (ra != 31) { |
| 1514 |
if (islit)
|
| 1515 |
tcg_gen_sari_i64(cpu_ir[rc], cpu_ir[ra], lit & 0x3f);
|
| 1516 |
else {
|
| 1517 |
TCGv shift = tcg_temp_new(); |
| 1518 |
tcg_gen_andi_i64(shift, cpu_ir[rb], 0x3f);
|
| 1519 |
tcg_gen_sar_i64(cpu_ir[rc], cpu_ir[ra], shift); |
| 1520 |
tcg_temp_free(shift); |
| 1521 |
} |
| 1522 |
} else
|
| 1523 |
tcg_gen_movi_i64(cpu_ir[rc], 0);
|
| 1524 |
} |
| 1525 |
break;
|
| 1526 |
case 0x52: |
| 1527 |
/* MSKWH */
|
| 1528 |
gen_msk_h(ra, rb, rc, islit, lit, 0x03);
|
| 1529 |
break;
|
| 1530 |
case 0x57: |
| 1531 |
/* INSWH */
|
| 1532 |
gen_ins_h(ra, rb, rc, islit, lit, 0x03);
|
| 1533 |
break;
|
| 1534 |
case 0x5A: |
| 1535 |
/* EXTWH */
|
| 1536 |
gen_ext_h(ra, rb, rc, islit, lit, 0x03);
|
| 1537 |
break;
|
| 1538 |
case 0x62: |
| 1539 |
/* MSKLH */
|
| 1540 |
gen_msk_h(ra, rb, rc, islit, lit, 0x0f);
|
| 1541 |
break;
|
| 1542 |
case 0x67: |
| 1543 |
/* INSLH */
|
| 1544 |
gen_ins_h(ra, rb, rc, islit, lit, 0x0f);
|
| 1545 |
break;
|
| 1546 |
case 0x6A: |
| 1547 |
/* EXTLH */
|
| 1548 |
gen_ext_h(ra, rb, rc, islit, lit, 0x0f);
|
| 1549 |
break;
|
| 1550 |
case 0x72: |
| 1551 |
/* MSKQH */
|
| 1552 |
gen_msk_h(ra, rb, rc, islit, lit, 0xff);
|
| 1553 |
break;
|
| 1554 |
case 0x77: |
| 1555 |
/* INSQH */
|
| 1556 |
gen_ins_h(ra, rb, rc, islit, lit, 0xff);
|
| 1557 |
break;
|
| 1558 |
case 0x7A: |
| 1559 |
/* EXTQH */
|
| 1560 |
gen_ext_h(ra, rb, rc, islit, lit, 0xff);
|
| 1561 |
break;
|
| 1562 |
default:
|
| 1563 |
goto invalid_opc;
|
| 1564 |
} |
| 1565 |
break;
|
| 1566 |
case 0x13: |
| 1567 |
switch (fn7) {
|
| 1568 |
case 0x00: |
| 1569 |
/* MULL */
|
| 1570 |
if (likely(rc != 31)) { |
| 1571 |
if (ra == 31) |
| 1572 |
tcg_gen_movi_i64(cpu_ir[rc], 0);
|
| 1573 |
else {
|
| 1574 |
if (islit)
|
| 1575 |
tcg_gen_muli_i64(cpu_ir[rc], cpu_ir[ra], lit); |
| 1576 |
else
|
| 1577 |
tcg_gen_mul_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); |
| 1578 |
tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]); |
| 1579 |
} |
| 1580 |
} |
| 1581 |
break;
|
| 1582 |
case 0x20: |
| 1583 |
/* MULQ */
|
| 1584 |
if (likely(rc != 31)) { |
| 1585 |
if (ra == 31) |
| 1586 |
tcg_gen_movi_i64(cpu_ir[rc], 0);
|
| 1587 |
else if (islit) |
| 1588 |
tcg_gen_muli_i64(cpu_ir[rc], cpu_ir[ra], lit); |
| 1589 |
else
|
| 1590 |
tcg_gen_mul_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); |
| 1591 |
} |
| 1592 |
break;
|
| 1593 |
case 0x30: |
| 1594 |
/* UMULH */
|
| 1595 |
gen_umulh(ra, rb, rc, islit, lit); |
| 1596 |
break;
|
| 1597 |
case 0x40: |
| 1598 |
/* MULL/V */
|
| 1599 |
gen_mullv(ra, rb, rc, islit, lit); |
| 1600 |
break;
|
| 1601 |
case 0x60: |
| 1602 |
/* MULQ/V */
|
| 1603 |
gen_mulqv(ra, rb, rc, islit, lit); |
| 1604 |
break;
|
| 1605 |
default:
|
| 1606 |
goto invalid_opc;
|
| 1607 |
} |
| 1608 |
break;
|
| 1609 |
case 0x14: |
| 1610 |
switch (fpfn) { /* f11 & 0x3F */ |
| 1611 |
case 0x04: |
| 1612 |
/* ITOFS */
|
| 1613 |
if (!(ctx->amask & AMASK_FIX))
|
| 1614 |
goto invalid_opc;
|
| 1615 |
if (likely(rc != 31)) { |
| 1616 |
if (ra != 31) { |
| 1617 |
TCGv_i32 tmp = tcg_temp_new_i32(); |
| 1618 |
tcg_gen_trunc_i64_i32(tmp, cpu_ir[ra]); |
| 1619 |
gen_helper_memory_to_s(cpu_fir[rc], tmp); |
| 1620 |
tcg_temp_free_i32(tmp); |
| 1621 |
} else
|
| 1622 |
tcg_gen_movi_i64(cpu_fir[rc], 0);
|
| 1623 |
} |
| 1624 |
break;
|
| 1625 |
case 0x0A: |
| 1626 |
/* SQRTF */
|
| 1627 |
if (!(ctx->amask & AMASK_FIX))
|
| 1628 |
goto invalid_opc;
|
| 1629 |
gen_fsqrtf(rb, rc); |
| 1630 |
break;
|
| 1631 |
case 0x0B: |
| 1632 |
/* SQRTS */
|
| 1633 |
if (!(ctx->amask & AMASK_FIX))
|
| 1634 |
goto invalid_opc;
|
| 1635 |
gen_fsqrts(rb, rc); |
| 1636 |
break;
|
| 1637 |
case 0x14: |
| 1638 |
/* ITOFF */
|
| 1639 |
if (!(ctx->amask & AMASK_FIX))
|
| 1640 |
goto invalid_opc;
|
| 1641 |
if (likely(rc != 31)) { |
| 1642 |
if (ra != 31) { |
| 1643 |
TCGv_i32 tmp = tcg_temp_new_i32(); |
| 1644 |
tcg_gen_trunc_i64_i32(tmp, cpu_ir[ra]); |
| 1645 |
gen_helper_memory_to_f(cpu_fir[rc], tmp); |
| 1646 |
tcg_temp_free_i32(tmp); |
| 1647 |
} else
|
| 1648 |
tcg_gen_movi_i64(cpu_fir[rc], 0);
|
| 1649 |
} |
| 1650 |
break;
|
| 1651 |
case 0x24: |
| 1652 |
/* ITOFT */
|
| 1653 |
if (!(ctx->amask & AMASK_FIX))
|
| 1654 |
goto invalid_opc;
|
| 1655 |
if (likely(rc != 31)) { |
| 1656 |
if (ra != 31) |
| 1657 |
tcg_gen_mov_i64(cpu_fir[rc], cpu_ir[ra]); |
| 1658 |
else
|
| 1659 |
tcg_gen_movi_i64(cpu_fir[rc], 0);
|
| 1660 |
} |
| 1661 |
break;
|
| 1662 |
case 0x2A: |
| 1663 |
/* SQRTG */
|
| 1664 |
if (!(ctx->amask & AMASK_FIX))
|
| 1665 |
goto invalid_opc;
|
| 1666 |
gen_fsqrtg(rb, rc); |
| 1667 |
break;
|
| 1668 |
case 0x02B: |
| 1669 |
/* SQRTT */
|
| 1670 |
if (!(ctx->amask & AMASK_FIX))
|
| 1671 |
goto invalid_opc;
|
| 1672 |
gen_fsqrtt(rb, rc); |
| 1673 |
break;
|
| 1674 |
default:
|
| 1675 |
goto invalid_opc;
|
| 1676 |
} |
| 1677 |
break;
|
| 1678 |
case 0x15: |
| 1679 |
/* VAX floating point */
|
| 1680 |
/* XXX: rounding mode and trap are ignored (!) */
|
| 1681 |
switch (fpfn) { /* f11 & 0x3F */ |
| 1682 |
case 0x00: |
| 1683 |
/* ADDF */
|
| 1684 |
gen_faddf(ra, rb, rc); |
| 1685 |
break;
|
| 1686 |
case 0x01: |
| 1687 |
/* SUBF */
|
| 1688 |
gen_fsubf(ra, rb, rc); |
| 1689 |
break;
|
| 1690 |
case 0x02: |
| 1691 |
/* MULF */
|
| 1692 |
gen_fmulf(ra, rb, rc); |
| 1693 |
break;
|
| 1694 |
case 0x03: |
| 1695 |
/* DIVF */
|
| 1696 |
gen_fdivf(ra, rb, rc); |
| 1697 |
break;
|
| 1698 |
case 0x1E: |
| 1699 |
/* CVTDG */
|
| 1700 |
#if 0 // TODO
|
| 1701 |
gen_fcvtdg(rb, rc);
|
| 1702 |
#else
|
| 1703 |
goto invalid_opc;
|
| 1704 |
#endif
|
| 1705 |
break;
|
| 1706 |
case 0x20: |
| 1707 |
/* ADDG */
|
| 1708 |
gen_faddg(ra, rb, rc); |
| 1709 |
break;
|
| 1710 |
case 0x21: |
| 1711 |
/* SUBG */
|
| 1712 |
gen_fsubg(ra, rb, rc); |
| 1713 |
break;
|
| 1714 |
case 0x22: |
| 1715 |
/* MULG */
|
| 1716 |
gen_fmulg(ra, rb, rc); |
| 1717 |
break;
|
| 1718 |
case 0x23: |
| 1719 |
/* DIVG */
|
| 1720 |
gen_fdivg(ra, rb, rc); |
| 1721 |
break;
|
| 1722 |
case 0x25: |
| 1723 |
/* CMPGEQ */
|
| 1724 |
gen_fcmpgeq(ra, rb, rc); |
| 1725 |
break;
|
| 1726 |
case 0x26: |
| 1727 |
/* CMPGLT */
|
| 1728 |
gen_fcmpglt(ra, rb, rc); |
| 1729 |
break;
|
| 1730 |
case 0x27: |
| 1731 |
/* CMPGLE */
|
| 1732 |
gen_fcmpgle(ra, rb, rc); |
| 1733 |
break;
|
| 1734 |
case 0x2C: |
| 1735 |
/* CVTGF */
|
| 1736 |
gen_fcvtgf(rb, rc); |
| 1737 |
break;
|
| 1738 |
case 0x2D: |
| 1739 |
/* CVTGD */
|
| 1740 |
#if 0 // TODO
|
| 1741 |
gen_fcvtgd(rb, rc);
|
| 1742 |
#else
|
| 1743 |
goto invalid_opc;
|
| 1744 |
#endif
|
| 1745 |
break;
|
| 1746 |
case 0x2F: |
| 1747 |
/* CVTGQ */
|
| 1748 |
gen_fcvtgq(rb, rc); |
| 1749 |
break;
|
| 1750 |
case 0x3C: |
| 1751 |
/* CVTQF */
|
| 1752 |
gen_fcvtqf(rb, rc); |
| 1753 |
break;
|
| 1754 |
case 0x3E: |
| 1755 |
/* CVTQG */
|
| 1756 |
gen_fcvtqg(rb, rc); |
| 1757 |
break;
|
| 1758 |
default:
|
| 1759 |
goto invalid_opc;
|
| 1760 |
} |
| 1761 |
break;
|
| 1762 |
case 0x16: |
| 1763 |
/* IEEE floating-point */
|
| 1764 |
/* XXX: rounding mode and traps are ignored (!) */
|
| 1765 |
switch (fpfn) { /* f11 & 0x3F */ |
| 1766 |
case 0x00: |
| 1767 |
/* ADDS */
|
| 1768 |
gen_fadds(ra, rb, rc); |
| 1769 |
break;
|
| 1770 |
case 0x01: |
| 1771 |
/* SUBS */
|
| 1772 |
gen_fsubs(ra, rb, rc); |
| 1773 |
break;
|
| 1774 |
case 0x02: |
| 1775 |
/* MULS */
|
| 1776 |
gen_fmuls(ra, rb, rc); |
| 1777 |
break;
|
| 1778 |
case 0x03: |
| 1779 |
/* DIVS */
|
| 1780 |
gen_fdivs(ra, rb, rc); |
| 1781 |
break;
|
| 1782 |
case 0x20: |
| 1783 |
/* ADDT */
|
| 1784 |
gen_faddt(ra, rb, rc); |
| 1785 |
break;
|
| 1786 |
case 0x21: |
| 1787 |
/* SUBT */
|
| 1788 |
gen_fsubt(ra, rb, rc); |
| 1789 |
break;
|
| 1790 |
case 0x22: |
| 1791 |
/* MULT */
|
| 1792 |
gen_fmult(ra, rb, rc); |
| 1793 |
break;
|
| 1794 |
case 0x23: |
| 1795 |
/* DIVT */
|
| 1796 |
gen_fdivt(ra, rb, rc); |
| 1797 |
break;
|
| 1798 |
case 0x24: |
| 1799 |
/* CMPTUN */
|
| 1800 |
gen_fcmptun(ra, rb, rc); |
| 1801 |
break;
|
| 1802 |
case 0x25: |
| 1803 |
/* CMPTEQ */
|
| 1804 |
gen_fcmpteq(ra, rb, rc); |
| 1805 |
break;
|
| 1806 |
case 0x26: |
| 1807 |
/* CMPTLT */
|
| 1808 |
gen_fcmptlt(ra, rb, rc); |
| 1809 |
break;
|
| 1810 |
case 0x27: |
| 1811 |
/* CMPTLE */
|
| 1812 |
gen_fcmptle(ra, rb, rc); |
| 1813 |
break;
|
| 1814 |
case 0x2C: |
| 1815 |
/* XXX: incorrect */
|
| 1816 |
if (fn11 == 0x2AC || fn11 == 0x6AC) { |
| 1817 |
/* CVTST */
|
| 1818 |
gen_fcvtst(rb, rc); |
| 1819 |
} else {
|
| 1820 |
/* CVTTS */
|
| 1821 |
gen_fcvtts(rb, rc); |
| 1822 |
} |
| 1823 |
break;
|
| 1824 |
case 0x2F: |
| 1825 |
/* CVTTQ */
|
| 1826 |
gen_fcvttq(rb, rc); |
| 1827 |
break;
|
| 1828 |
case 0x3C: |
| 1829 |
/* CVTQS */
|
| 1830 |
gen_fcvtqs(rb, rc); |
| 1831 |
break;
|
| 1832 |
case 0x3E: |
| 1833 |
/* CVTQT */
|
| 1834 |
gen_fcvtqt(rb, rc); |
| 1835 |
break;
|
| 1836 |
default:
|
| 1837 |
goto invalid_opc;
|
| 1838 |
} |
| 1839 |
break;
|
| 1840 |
case 0x17: |
| 1841 |
switch (fn11) {
|
| 1842 |
case 0x010: |
| 1843 |
/* CVTLQ */
|
| 1844 |
gen_fcvtlq(rb, rc); |
| 1845 |
break;
|
| 1846 |
case 0x020: |
| 1847 |
if (likely(rc != 31)) { |
| 1848 |
if (ra == rb) {
|
| 1849 |
/* FMOV */
|
| 1850 |
if (ra == 31) |
| 1851 |
tcg_gen_movi_i64(cpu_fir[rc], 0);
|
| 1852 |
else
|
| 1853 |
tcg_gen_mov_i64(cpu_fir[rc], cpu_fir[ra]); |
| 1854 |
} else {
|
| 1855 |
/* CPYS */
|
| 1856 |
gen_fcpys(ra, rb, rc); |
| 1857 |
} |
| 1858 |
} |
| 1859 |
break;
|
| 1860 |
case 0x021: |
| 1861 |
/* CPYSN */
|
| 1862 |
gen_fcpysn(ra, rb, rc); |
| 1863 |
break;
|
| 1864 |
case 0x022: |
| 1865 |
/* CPYSE */
|
| 1866 |
gen_fcpyse(ra, rb, rc); |
| 1867 |
break;
|
| 1868 |
case 0x024: |
| 1869 |
/* MT_FPCR */
|
| 1870 |
if (likely(ra != 31)) |
| 1871 |
gen_helper_store_fpcr(cpu_fir[ra]); |
| 1872 |
else {
|
| 1873 |
TCGv tmp = tcg_const_i64(0);
|
| 1874 |
gen_helper_store_fpcr(tmp); |
| 1875 |
tcg_temp_free(tmp); |
| 1876 |
} |
| 1877 |
break;
|
| 1878 |
case 0x025: |
| 1879 |
/* MF_FPCR */
|
| 1880 |
if (likely(ra != 31)) |
| 1881 |
gen_helper_load_fpcr(cpu_fir[ra]); |
| 1882 |
break;
|
| 1883 |
case 0x02A: |
| 1884 |
/* FCMOVEQ */
|
| 1885 |
gen_fcmov(TCG_COND_NE, ra, rb, rc); |
| 1886 |
break;
|
| 1887 |
case 0x02B: |
| 1888 |
/* FCMOVNE */
|
| 1889 |
gen_fcmov(TCG_COND_EQ, ra, rb, rc); |
| 1890 |
break;
|
| 1891 |
case 0x02C: |
| 1892 |
/* FCMOVLT */
|
| 1893 |
gen_fcmov(TCG_COND_GE, ra, rb, rc); |
| 1894 |
break;
|
| 1895 |
case 0x02D: |
| 1896 |
/* FCMOVGE */
|
| 1897 |
gen_fcmov(TCG_COND_LT, ra, rb, rc); |
| 1898 |
break;
|
| 1899 |
case 0x02E: |
| 1900 |
/* FCMOVLE */
|
| 1901 |
gen_fcmov(TCG_COND_GT, ra, rb, rc); |
| 1902 |
break;
|
| 1903 |
case 0x02F: |
| 1904 |
/* FCMOVGT */
|
| 1905 |
gen_fcmov(TCG_COND_LE, ra, rb, rc); |
| 1906 |
break;
|
| 1907 |
case 0x030: |
| 1908 |
/* CVTQL */
|
| 1909 |
gen_fcvtql(rb, rc); |
| 1910 |
break;
|
| 1911 |
case 0x130: |
| 1912 |
/* CVTQL/V */
|
| 1913 |
gen_fcvtqlv(rb, rc); |
| 1914 |
break;
|
| 1915 |
case 0x530: |
| 1916 |
/* CVTQL/SV */
|
| 1917 |
gen_fcvtqlsv(rb, rc); |
| 1918 |
break;
|
| 1919 |
default:
|
| 1920 |
goto invalid_opc;
|
| 1921 |
} |
| 1922 |
break;
|
| 1923 |
case 0x18: |
| 1924 |
switch ((uint16_t)disp16) {
|
| 1925 |
case 0x0000: |
| 1926 |
/* TRAPB */
|
| 1927 |
/* No-op. Just exit from the current tb */
|
| 1928 |
ret = 2;
|
| 1929 |
break;
|
| 1930 |
case 0x0400: |
| 1931 |
/* EXCB */
|
| 1932 |
/* No-op. Just exit from the current tb */
|
| 1933 |
ret = 2;
|
| 1934 |
break;
|
| 1935 |
case 0x4000: |
| 1936 |
/* MB */
|
| 1937 |
/* No-op */
|
| 1938 |
break;
|
| 1939 |
case 0x4400: |
| 1940 |
/* WMB */
|
| 1941 |
/* No-op */
|
| 1942 |
break;
|
| 1943 |
case 0x8000: |
| 1944 |
/* FETCH */
|
| 1945 |
/* No-op */
|
| 1946 |
break;
|
| 1947 |
case 0xA000: |
| 1948 |
/* FETCH_M */
|
| 1949 |
/* No-op */
|
| 1950 |
break;
|
| 1951 |
case 0xC000: |
| 1952 |
/* RPCC */
|
| 1953 |
if (ra != 31) |
| 1954 |
gen_helper_load_pcc(cpu_ir[ra]); |
| 1955 |
break;
|
| 1956 |
case 0xE000: |
| 1957 |
/* RC */
|
| 1958 |
if (ra != 31) |
| 1959 |
gen_helper_rc(cpu_ir[ra]); |
| 1960 |
break;
|
| 1961 |
case 0xE800: |
| 1962 |
/* ECB */
|
| 1963 |
break;
|
| 1964 |
case 0xF000: |
| 1965 |
/* RS */
|
| 1966 |
if (ra != 31) |
| 1967 |
gen_helper_rs(cpu_ir[ra]); |
| 1968 |
break;
|
| 1969 |
case 0xF800: |
| 1970 |
/* WH64 */
|
| 1971 |
/* No-op */
|
| 1972 |
break;
|
| 1973 |
default:
|
| 1974 |
goto invalid_opc;
|
| 1975 |
} |
| 1976 |
break;
|
| 1977 |
case 0x19: |
| 1978 |
/* HW_MFPR (PALcode) */
|
| 1979 |
#if defined (CONFIG_USER_ONLY)
|
| 1980 |
goto invalid_opc;
|
| 1981 |
#else
|
| 1982 |
if (!ctx->pal_mode)
|
| 1983 |
goto invalid_opc;
|
| 1984 |
if (ra != 31) { |
| 1985 |
TCGv tmp = tcg_const_i32(insn & 0xFF);
|
| 1986 |
gen_helper_mfpr(cpu_ir[ra], tmp, cpu_ir[ra]); |
| 1987 |
tcg_temp_free(tmp); |
| 1988 |
} |
| 1989 |
break;
|
| 1990 |
#endif
|
| 1991 |
case 0x1A: |
| 1992 |
if (rb != 31) |
| 1993 |
tcg_gen_andi_i64(cpu_pc, cpu_ir[rb], ~3);
|
| 1994 |
else
|
| 1995 |
tcg_gen_movi_i64(cpu_pc, 0);
|
| 1996 |
if (ra != 31) |
| 1997 |
tcg_gen_movi_i64(cpu_ir[ra], ctx->pc); |
| 1998 |
/* Those four jumps only differ by the branch prediction hint */
|
| 1999 |
switch (fn2) {
|
| 2000 |
case 0x0: |
| 2001 |
/* JMP */
|
| 2002 |
break;
|
| 2003 |
case 0x1: |
| 2004 |
/* JSR */
|
| 2005 |
break;
|
| 2006 |
case 0x2: |
| 2007 |
/* RET */
|
| 2008 |
break;
|
| 2009 |
case 0x3: |
| 2010 |
/* JSR_COROUTINE */
|
| 2011 |
break;
|
| 2012 |
} |
| 2013 |
ret = 1;
|
| 2014 |
break;
|
| 2015 |
case 0x1B: |
| 2016 |
/* HW_LD (PALcode) */
|
| 2017 |
#if defined (CONFIG_USER_ONLY)
|
| 2018 |
goto invalid_opc;
|
| 2019 |
#else
|
| 2020 |
if (!ctx->pal_mode)
|
| 2021 |
goto invalid_opc;
|
| 2022 |
if (ra != 31) { |
| 2023 |
TCGv addr = tcg_temp_new(); |
| 2024 |
if (rb != 31) |
| 2025 |
tcg_gen_addi_i64(addr, cpu_ir[rb], disp12); |
| 2026 |
else
|
| 2027 |
tcg_gen_movi_i64(addr, disp12); |
| 2028 |
switch ((insn >> 12) & 0xF) { |
| 2029 |
case 0x0: |
| 2030 |
/* Longword physical access (hw_ldl/p) */
|
| 2031 |
gen_helper_ldl_raw(cpu_ir[ra], addr); |
| 2032 |
break;
|
| 2033 |
case 0x1: |
| 2034 |
/* Quadword physical access (hw_ldq/p) */
|
| 2035 |
gen_helper_ldq_raw(cpu_ir[ra], addr); |
| 2036 |
break;
|
| 2037 |
case 0x2: |
| 2038 |
/* Longword physical access with lock (hw_ldl_l/p) */
|
| 2039 |
gen_helper_ldl_l_raw(cpu_ir[ra], addr); |
| 2040 |
break;
|
| 2041 |
case 0x3: |
| 2042 |
/* Quadword physical access with lock (hw_ldq_l/p) */
|
| 2043 |
gen_helper_ldq_l_raw(cpu_ir[ra], addr); |
| 2044 |
break;
|
| 2045 |
case 0x4: |
| 2046 |
/* Longword virtual PTE fetch (hw_ldl/v) */
|
| 2047 |
tcg_gen_qemu_ld32s(cpu_ir[ra], addr, 0);
|
| 2048 |
break;
|
| 2049 |
case 0x5: |
| 2050 |
/* Quadword virtual PTE fetch (hw_ldq/v) */
|
| 2051 |
tcg_gen_qemu_ld64(cpu_ir[ra], addr, 0);
|
| 2052 |
break;
|
| 2053 |
case 0x6: |
| 2054 |
/* Incpu_ir[ra]id */
|
| 2055 |
goto invalid_opc;
|
| 2056 |
case 0x7: |
| 2057 |
/* Incpu_ir[ra]id */
|
| 2058 |
goto invalid_opc;
|
| 2059 |
case 0x8: |
| 2060 |
/* Longword virtual access (hw_ldl) */
|
| 2061 |
gen_helper_st_virt_to_phys(addr, addr); |
| 2062 |
gen_helper_ldl_raw(cpu_ir[ra], addr); |
| 2063 |
break;
|
| 2064 |
case 0x9: |
| 2065 |
/* Quadword virtual access (hw_ldq) */
|
| 2066 |
gen_helper_st_virt_to_phys(addr, addr); |
| 2067 |
gen_helper_ldq_raw(cpu_ir[ra], addr); |
| 2068 |
break;
|
| 2069 |
case 0xA: |
| 2070 |
/* Longword virtual access with protection check (hw_ldl/w) */
|
| 2071 |
tcg_gen_qemu_ld32s(cpu_ir[ra], addr, 0);
|
| 2072 |
break;
|
| 2073 |
case 0xB: |
| 2074 |
/* Quadword virtual access with protection check (hw_ldq/w) */
|
| 2075 |
tcg_gen_qemu_ld64(cpu_ir[ra], addr, 0);
|
| 2076 |
break;
|
| 2077 |
case 0xC: |
| 2078 |
/* Longword virtual access with alt access mode (hw_ldl/a)*/
|
| 2079 |
gen_helper_set_alt_mode(); |
| 2080 |
gen_helper_st_virt_to_phys(addr, addr); |
| 2081 |
gen_helper_ldl_raw(cpu_ir[ra], addr); |
| 2082 |
gen_helper_restore_mode(); |
| 2083 |
break;
|
| 2084 |
case 0xD: |
| 2085 |
/* Quadword virtual access with alt access mode (hw_ldq/a) */
|
| 2086 |
gen_helper_set_alt_mode(); |
| 2087 |
gen_helper_st_virt_to_phys(addr, addr); |
| 2088 |
gen_helper_ldq_raw(cpu_ir[ra], addr); |
| 2089 |
gen_helper_restore_mode(); |
| 2090 |
break;
|
| 2091 |
case 0xE: |
| 2092 |
/* Longword virtual access with alternate access mode and
|
| 2093 |
* protection checks (hw_ldl/wa)
|
| 2094 |
*/
|
| 2095 |
gen_helper_set_alt_mode(); |
| 2096 |
gen_helper_ldl_data(cpu_ir[ra], addr); |
| 2097 |
gen_helper_restore_mode(); |
| 2098 |
break;
|
| 2099 |
case 0xF: |
| 2100 |
/* Quadword virtual access with alternate access mode and
|
| 2101 |
* protection checks (hw_ldq/wa)
|
| 2102 |
*/
|
| 2103 |
gen_helper_set_alt_mode(); |
| 2104 |
gen_helper_ldq_data(cpu_ir[ra], addr); |
| 2105 |
gen_helper_restore_mode(); |
| 2106 |
break;
|
| 2107 |
} |
| 2108 |
tcg_temp_free(addr); |
| 2109 |
} |
| 2110 |
break;
|
| 2111 |
#endif
|
| 2112 |
case 0x1C: |
| 2113 |
switch (fn7) {
|
| 2114 |
case 0x00: |
| 2115 |
/* SEXTB */
|
| 2116 |
if (!(ctx->amask & AMASK_BWX))
|
| 2117 |
goto invalid_opc;
|
| 2118 |
if (likely(rc != 31)) { |
| 2119 |
if (islit)
|
| 2120 |
tcg_gen_movi_i64(cpu_ir[rc], (int64_t)((int8_t)lit)); |
| 2121 |
else
|
| 2122 |
tcg_gen_ext8s_i64(cpu_ir[rc], cpu_ir[rb]); |
| 2123 |
} |
| 2124 |
break;
|
| 2125 |
case 0x01: |
| 2126 |
/* SEXTW */
|
| 2127 |
if (!(ctx->amask & AMASK_BWX))
|
| 2128 |
goto invalid_opc;
|
| 2129 |
if (likely(rc != 31)) { |
| 2130 |
if (islit)
|
| 2131 |
tcg_gen_movi_i64(cpu_ir[rc], (int64_t)((int16_t)lit)); |
| 2132 |
else
|
| 2133 |
tcg_gen_ext16s_i64(cpu_ir[rc], cpu_ir[rb]); |
| 2134 |
} |
| 2135 |
break;
|
| 2136 |
case 0x30: |
| 2137 |
/* CTPOP */
|
| 2138 |
if (!(ctx->amask & AMASK_CIX))
|
| 2139 |
goto invalid_opc;
|
| 2140 |
if (likely(rc != 31)) { |
| 2141 |
if (islit)
|
| 2142 |
tcg_gen_movi_i64(cpu_ir[rc], ctpop64(lit)); |
| 2143 |
else
|
| 2144 |
gen_helper_ctpop(cpu_ir[rc], cpu_ir[rb]); |
| 2145 |
} |
| 2146 |
break;
|
| 2147 |
case 0x31: |
| 2148 |
/* PERR */
|
| 2149 |
if (!(ctx->amask & AMASK_MVI))
|
| 2150 |
goto invalid_opc;
|
| 2151 |
gen_perr(ra, rb, rc, islit, lit); |
| 2152 |
break;
|
| 2153 |
case 0x32: |
| 2154 |
/* CTLZ */
|
| 2155 |
if (!(ctx->amask & AMASK_CIX))
|
| 2156 |
goto invalid_opc;
|
| 2157 |
if (likely(rc != 31)) { |
| 2158 |
if (islit)
|
| 2159 |
tcg_gen_movi_i64(cpu_ir[rc], clz64(lit)); |
| 2160 |
else
|
| 2161 |
gen_helper_ctlz(cpu_ir[rc], cpu_ir[rb]); |
| 2162 |
} |
| 2163 |
break;
|
| 2164 |
case 0x33: |
| 2165 |
/* CTTZ */
|
| 2166 |
if (!(ctx->amask & AMASK_CIX))
|
| 2167 |
goto invalid_opc;
|
| 2168 |
if (likely(rc != 31)) { |
| 2169 |
if (islit)
|
| 2170 |
tcg_gen_movi_i64(cpu_ir[rc], ctz64(lit)); |
| 2171 |
else
|
| 2172 |
gen_helper_cttz(cpu_ir[rc], cpu_ir[rb]); |
| 2173 |
} |
| 2174 |
break;
|
| 2175 |
case 0x34: |
| 2176 |
/* UNPKBW */
|
| 2177 |
if (!(ctx->amask & AMASK_MVI))
|
| 2178 |
goto invalid_opc;
|
| 2179 |
if (real_islit || ra != 31) |
| 2180 |
goto invalid_opc;
|
| 2181 |
gen_unpkbw (rb, rc); |
| 2182 |
break;
|
| 2183 |
case 0x35: |
| 2184 |
/* UNPKBL */
|
| 2185 |
if (!(ctx->amask & AMASK_MVI))
|
| 2186 |
goto invalid_opc;
|
| 2187 |
if (real_islit || ra != 31) |
| 2188 |
goto invalid_opc;
|
| 2189 |
gen_unpkbl (rb, rc); |
| 2190 |
break;
|
| 2191 |
case 0x36: |
| 2192 |
/* PKWB */
|
| 2193 |
if (!(ctx->amask & AMASK_MVI))
|
| 2194 |
goto invalid_opc;
|
| 2195 |
if (real_islit || ra != 31) |
| 2196 |
goto invalid_opc;
|
| 2197 |
gen_pkwb (rb, rc); |
| 2198 |
break;
|
| 2199 |
case 0x37: |
| 2200 |
/* PKLB */
|
| 2201 |
if (!(ctx->amask & AMASK_MVI))
|
| 2202 |
goto invalid_opc;
|
| 2203 |
if (real_islit || ra != 31) |
| 2204 |
goto invalid_opc;
|
| 2205 |
gen_pklb (rb, rc); |
| 2206 |
break;
|
| 2207 |
case 0x38: |
| 2208 |
/* MINSB8 */
|
| 2209 |
if (!(ctx->amask & AMASK_MVI))
|
| 2210 |
goto invalid_opc;
|
| 2211 |
gen_minsb8 (ra, rb, rc, islit, lit); |
| 2212 |
break;
|
| 2213 |
case 0x39: |
| 2214 |
/* MINSW4 */
|
| 2215 |
if (!(ctx->amask & AMASK_MVI))
|
| 2216 |
goto invalid_opc;
|
| 2217 |
gen_minsw4 (ra, rb, rc, islit, lit); |
| 2218 |
break;
|
| 2219 |
case 0x3A: |
| 2220 |
/* MINUB8 */
|
| 2221 |
if (!(ctx->amask & AMASK_MVI))
|
| 2222 |
goto invalid_opc;
|
| 2223 |
gen_minub8 (ra, rb, rc, islit, lit); |
| 2224 |
break;
|
| 2225 |
case 0x3B: |
| 2226 |
/* MINUW4 */
|
| 2227 |
if (!(ctx->amask & AMASK_MVI))
|
| 2228 |
goto invalid_opc;
|
| 2229 |
gen_minuw4 (ra, rb, rc, islit, lit); |
| 2230 |
break;
|
| 2231 |
case 0x3C: |
| 2232 |
/* MAXUB8 */
|
| 2233 |
if (!(ctx->amask & AMASK_MVI))
|
| 2234 |
goto invalid_opc;
|
| 2235 |
gen_maxub8 (ra, rb, rc, islit, lit); |
| 2236 |
break;
|
| 2237 |
case 0x3D: |
| 2238 |
/* MAXUW4 */
|
| 2239 |
if (!(ctx->amask & AMASK_MVI))
|
| 2240 |
goto invalid_opc;
|
| 2241 |
gen_maxuw4 (ra, rb, rc, islit, lit); |
| 2242 |
break;
|
| 2243 |
case 0x3E: |
| 2244 |
/* MAXSB8 */
|
| 2245 |
if (!(ctx->amask & AMASK_MVI))
|
| 2246 |
goto invalid_opc;
|
| 2247 |
gen_maxsb8 (ra, rb, rc, islit, lit); |
| 2248 |
break;
|
| 2249 |
case 0x3F: |
| 2250 |
/* MAXSW4 */
|
| 2251 |
if (!(ctx->amask & AMASK_MVI))
|
| 2252 |
goto invalid_opc;
|
| 2253 |
gen_maxsw4 (ra, rb, rc, islit, lit); |
| 2254 |
break;
|
| 2255 |
case 0x70: |
| 2256 |
/* FTOIT */
|
| 2257 |
if (!(ctx->amask & AMASK_FIX))
|
| 2258 |
goto invalid_opc;
|
| 2259 |
if (likely(rc != 31)) { |
| 2260 |
if (ra != 31) |
| 2261 |
tcg_gen_mov_i64(cpu_ir[rc], cpu_fir[ra]); |
| 2262 |
else
|
| 2263 |
tcg_gen_movi_i64(cpu_ir[rc], 0);
|
| 2264 |
} |
| 2265 |
break;
|
| 2266 |
case 0x78: |
| 2267 |
/* FTOIS */
|
| 2268 |
if (!(ctx->amask & AMASK_FIX))
|
| 2269 |
goto invalid_opc;
|
| 2270 |
if (rc != 31) { |
| 2271 |
TCGv_i32 tmp1 = tcg_temp_new_i32(); |
| 2272 |
if (ra != 31) |
| 2273 |
gen_helper_s_to_memory(tmp1, cpu_fir[ra]); |
| 2274 |
else {
|
| 2275 |
TCGv tmp2 = tcg_const_i64(0);
|
| 2276 |
gen_helper_s_to_memory(tmp1, tmp2); |
| 2277 |
tcg_temp_free(tmp2); |
| 2278 |
} |
| 2279 |
tcg_gen_ext_i32_i64(cpu_ir[rc], tmp1); |
| 2280 |
tcg_temp_free_i32(tmp1); |
| 2281 |
} |
| 2282 |
break;
|
| 2283 |
default:
|
| 2284 |
goto invalid_opc;
|
| 2285 |
} |
| 2286 |
break;
|
| 2287 |
case 0x1D: |
| 2288 |
/* HW_MTPR (PALcode) */
|
| 2289 |
#if defined (CONFIG_USER_ONLY)
|
| 2290 |
goto invalid_opc;
|
| 2291 |
#else
|
| 2292 |
if (!ctx->pal_mode)
|
| 2293 |
goto invalid_opc;
|
| 2294 |
else {
|
| 2295 |
TCGv tmp1 = tcg_const_i32(insn & 0xFF);
|
| 2296 |
if (ra != 31) |
| 2297 |
gen_helper_mtpr(tmp1, cpu_ir[ra]); |
| 2298 |
else {
|
| 2299 |
TCGv tmp2 = tcg_const_i64(0);
|
| 2300 |
gen_helper_mtpr(tmp1, tmp2); |
| 2301 |
tcg_temp_free(tmp2); |
| 2302 |
} |
| 2303 |
tcg_temp_free(tmp1); |
| 2304 |
ret = 2;
|
| 2305 |
} |
| 2306 |
break;
|
| 2307 |
#endif
|
| 2308 |
case 0x1E: |
| 2309 |
/* HW_REI (PALcode) */
|
| 2310 |
#if defined (CONFIG_USER_ONLY)
|
| 2311 |
goto invalid_opc;
|
| 2312 |
#else
|
| 2313 |
if (!ctx->pal_mode)
|
| 2314 |
goto invalid_opc;
|
| 2315 |
if (rb == 31) { |
| 2316 |
/* "Old" alpha */
|
| 2317 |
gen_helper_hw_rei(); |
| 2318 |
} else {
|
| 2319 |
TCGv tmp; |
| 2320 |
|
| 2321 |
if (ra != 31) { |
| 2322 |
tmp = tcg_temp_new(); |
| 2323 |
tcg_gen_addi_i64(tmp, cpu_ir[rb], (((int64_t)insn << 51) >> 51)); |
| 2324 |
} else
|
| 2325 |
tmp = tcg_const_i64(((int64_t)insn << 51) >> 51); |
| 2326 |
gen_helper_hw_ret(tmp); |
| 2327 |
tcg_temp_free(tmp); |
| 2328 |
} |
| 2329 |
ret = 2;
|
| 2330 |
break;
|
| 2331 |
#endif
|
| 2332 |
case 0x1F: |
| 2333 |
/* HW_ST (PALcode) */
|
| 2334 |
#if defined (CONFIG_USER_ONLY)
|
| 2335 |
goto invalid_opc;
|
| 2336 |
#else
|
| 2337 |
if (!ctx->pal_mode)
|
| 2338 |
goto invalid_opc;
|
| 2339 |
else {
|
| 2340 |
TCGv addr, val; |
| 2341 |
addr = tcg_temp_new(); |
| 2342 |
if (rb != 31) |
| 2343 |
tcg_gen_addi_i64(addr, cpu_ir[rb], disp12); |
| 2344 |
else
|
| 2345 |
tcg_gen_movi_i64(addr, disp12); |
| 2346 |
if (ra != 31) |
| 2347 |
val = cpu_ir[ra]; |
| 2348 |
else {
|
| 2349 |
val = tcg_temp_new(); |
| 2350 |
tcg_gen_movi_i64(val, 0);
|
| 2351 |
} |
| 2352 |
switch ((insn >> 12) & 0xF) { |
| 2353 |
case 0x0: |
| 2354 |
/* Longword physical access */
|
| 2355 |
gen_helper_stl_raw(val, addr); |
| 2356 |
break;
|
| 2357 |
case 0x1: |
| 2358 |
/* Quadword physical access */
|
| 2359 |
gen_helper_stq_raw(val, addr); |
| 2360 |
break;
|
| 2361 |
case 0x2: |
| 2362 |
/* Longword physical access with lock */
|
| 2363 |
gen_helper_stl_c_raw(val, val, addr); |
| 2364 |
break;
|
| 2365 |
case 0x3: |
| 2366 |
/* Quadword physical access with lock */
|
| 2367 |
gen_helper_stq_c_raw(val, val, addr); |
| 2368 |
break;
|
| 2369 |
case 0x4: |
| 2370 |
/* Longword virtual access */
|
| 2371 |
gen_helper_st_virt_to_phys(addr, addr); |
| 2372 |
gen_helper_stl_raw(val, addr); |
| 2373 |
break;
|
| 2374 |
case 0x5: |
| 2375 |
/* Quadword virtual access */
|
| 2376 |
gen_helper_st_virt_to_phys(addr, addr); |
| 2377 |
gen_helper_stq_raw(val, addr); |
| 2378 |
break;
|
| 2379 |
case 0x6: |
| 2380 |
/* Invalid */
|
| 2381 |
goto invalid_opc;
|
| 2382 |
case 0x7: |
| 2383 |
/* Invalid */
|
| 2384 |
goto invalid_opc;
|
| 2385 |
case 0x8: |
| 2386 |
/* Invalid */
|
| 2387 |
goto invalid_opc;
|
| 2388 |
case 0x9: |
| 2389 |
/* Invalid */
|
| 2390 |
goto invalid_opc;
|
| 2391 |
case 0xA: |
| 2392 |
/* Invalid */
|
| 2393 |
goto invalid_opc;
|
| 2394 |
case 0xB: |
| 2395 |
/* Invalid */
|
| 2396 |
goto invalid_opc;
|
| 2397 |
case 0xC: |
| 2398 |
/* Longword virtual access with alternate access mode */
|
| 2399 |
gen_helper_set_alt_mode(); |
| 2400 |
gen_helper_st_virt_to_phys(addr, addr); |
| 2401 |
gen_helper_stl_raw(val, addr); |
| 2402 |
gen_helper_restore_mode(); |
| 2403 |
break;
|
| 2404 |
case 0xD: |
| 2405 |
/* Quadword virtual access with alternate access mode */
|
| 2406 |
gen_helper_set_alt_mode(); |
| 2407 |
gen_helper_st_virt_to_phys(addr, addr); |
| 2408 |
gen_helper_stl_raw(val, addr); |
| 2409 |
gen_helper_restore_mode(); |
| 2410 |
break;
|
| 2411 |
case 0xE: |
| 2412 |
/* Invalid */
|
| 2413 |
goto invalid_opc;
|
| 2414 |
case 0xF: |
| 2415 |
/* Invalid */
|
| 2416 |
goto invalid_opc;
|
| 2417 |
} |
| 2418 |
if (ra == 31) |
| 2419 |
tcg_temp_free(val); |
| 2420 |
tcg_temp_free(addr); |
| 2421 |
} |
| 2422 |
break;
|
| 2423 |
#endif
|
| 2424 |
case 0x20: |
| 2425 |
/* LDF */
|
| 2426 |
gen_load_mem(ctx, &gen_qemu_ldf, ra, rb, disp16, 1, 0); |
| 2427 |
break;
|
| 2428 |
case 0x21: |
| 2429 |
/* LDG */
|
| 2430 |
gen_load_mem(ctx, &gen_qemu_ldg, ra, rb, disp16, 1, 0); |
| 2431 |
break;
|
| 2432 |
case 0x22: |
| 2433 |
/* LDS */
|
| 2434 |
gen_load_mem(ctx, &gen_qemu_lds, ra, rb, disp16, 1, 0); |
| 2435 |
break;
|
| 2436 |
case 0x23: |
| 2437 |
/* LDT */
|
| 2438 |
gen_load_mem(ctx, &tcg_gen_qemu_ld64, ra, rb, disp16, 1, 0); |
| 2439 |
break;
|
| 2440 |
case 0x24: |
| 2441 |
/* STF */
|
| 2442 |
gen_store_mem(ctx, &gen_qemu_stf, ra, rb, disp16, 1, 0, 0); |
| 2443 |
break;
|
| 2444 |
case 0x25: |
| 2445 |
/* STG */
|
| 2446 |
gen_store_mem(ctx, &gen_qemu_stg, ra, rb, disp16, 1, 0, 0); |
| 2447 |
break;
|
| 2448 |
case 0x26: |
| 2449 |
/* STS */
|
| 2450 |
gen_store_mem(ctx, &gen_qemu_sts, ra, rb, disp16, 1, 0, 0); |
| 2451 |
break;
|
| 2452 |
case 0x27: |
| 2453 |
/* STT */
|
| 2454 |
gen_store_mem(ctx, &tcg_gen_qemu_st64, ra, rb, disp16, 1, 0, 0); |
| 2455 |
break;
|
| 2456 |
case 0x28: |
| 2457 |
/* LDL */
|
| 2458 |
gen_load_mem(ctx, &tcg_gen_qemu_ld32s, ra, rb, disp16, 0, 0); |
| 2459 |
break;
|
| 2460 |
case 0x29: |
| 2461 |
/* LDQ */
|
| 2462 |
gen_load_mem(ctx, &tcg_gen_qemu_ld64, ra, rb, disp16, 0, 0); |
| 2463 |
break;
|
| 2464 |
case 0x2A: |
| 2465 |
/* LDL_L */
|
| 2466 |
gen_load_mem(ctx, &gen_qemu_ldl_l, ra, rb, disp16, 0, 0); |
| 2467 |
break;
|
| 2468 |
case 0x2B: |
| 2469 |
/* LDQ_L */
|
| 2470 |
gen_load_mem(ctx, &gen_qemu_ldq_l, ra, rb, disp16, 0, 0); |
| 2471 |
break;
|
| 2472 |
case 0x2C: |
| 2473 |
/* STL */
|
| 2474 |
gen_store_mem(ctx, &tcg_gen_qemu_st32, ra, rb, disp16, 0, 0, 0); |
| 2475 |
break;
|
| 2476 |
case 0x2D: |
| 2477 |
/* STQ */
|
| 2478 |
gen_store_mem(ctx, &tcg_gen_qemu_st64, ra, rb, disp16, 0, 0, 0); |
| 2479 |
break;
|
| 2480 |
case 0x2E: |
| 2481 |
/* STL_C */
|
| 2482 |
gen_store_mem(ctx, &gen_qemu_stl_c, ra, rb, disp16, 0, 0, 1); |
| 2483 |
break;
|
| 2484 |
case 0x2F: |
| 2485 |
/* STQ_C */
|
| 2486 |
gen_store_mem(ctx, &gen_qemu_stq_c, ra, rb, disp16, 0, 0, 1); |
| 2487 |
break;
|
| 2488 |
case 0x30: |
| 2489 |
/* BR */
|
| 2490 |
if (ra != 31) |
| 2491 |
tcg_gen_movi_i64(cpu_ir[ra], ctx->pc); |
| 2492 |
tcg_gen_movi_i64(cpu_pc, ctx->pc + (int64_t)(disp21 << 2));
|
| 2493 |
ret = 1;
|
| 2494 |
break;
|
| 2495 |
case 0x31: /* FBEQ */ |
| 2496 |
gen_fbcond(ctx, TCG_COND_EQ, ra, disp21); |
| 2497 |
ret = 1;
|
| 2498 |
break;
|
| 2499 |
case 0x32: /* FBLT */ |
| 2500 |
gen_fbcond(ctx, TCG_COND_LT, ra, disp21); |
| 2501 |
ret = 1;
|
| 2502 |
break;
|
| 2503 |
case 0x33: /* FBLE */ |
| 2504 |
gen_fbcond(ctx, TCG_COND_LE, ra, disp21); |
| 2505 |
ret = 1;
|
| 2506 |
break;
|
| 2507 |
case 0x34: |
| 2508 |
/* BSR */
|
| 2509 |
if (ra != 31) |
| 2510 |
tcg_gen_movi_i64(cpu_ir[ra], ctx->pc); |
| 2511 |
tcg_gen_movi_i64(cpu_pc, ctx->pc + (int64_t)(disp21 << 2));
|
| 2512 |
ret = 1;
|
| 2513 |
break;
|
| 2514 |
case 0x35: /* FBNE */ |
| 2515 |
gen_fbcond(ctx, TCG_COND_NE, ra, disp21); |
| 2516 |
ret = 1;
|
| 2517 |
break;
|
| 2518 |
case 0x36: /* FBGE */ |
| 2519 |
gen_fbcond(ctx, TCG_COND_GE, ra, disp21); |
| 2520 |
ret = 1;
|
| 2521 |
break;
|
| 2522 |
case 0x37: /* FBGT */ |
| 2523 |
gen_fbcond(ctx, TCG_COND_GT, ra, disp21); |
| 2524 |
ret = 1;
|
| 2525 |
break;
|
| 2526 |
case 0x38: |
| 2527 |
/* BLBC */
|
| 2528 |
gen_bcond(ctx, TCG_COND_EQ, ra, disp21, 1);
|
| 2529 |
ret = 1;
|
| 2530 |
break;
|
| 2531 |
case 0x39: |
| 2532 |
/* BEQ */
|
| 2533 |
gen_bcond(ctx, TCG_COND_EQ, ra, disp21, 0);
|
| 2534 |
ret = 1;
|
| 2535 |
break;
|
| 2536 |
case 0x3A: |
| 2537 |
/* BLT */
|
| 2538 |
gen_bcond(ctx, TCG_COND_LT, ra, disp21, 0);
|
| 2539 |
ret = 1;
|
| 2540 |
break;
|
| 2541 |
case 0x3B: |
| 2542 |
/* BLE */
|
| 2543 |
gen_bcond(ctx, TCG_COND_LE, ra, disp21, 0);
|
| 2544 |
ret = 1;
|
| 2545 |
break;
|
| 2546 |
case 0x3C: |
| 2547 |
/* BLBS */
|
| 2548 |
gen_bcond(ctx, TCG_COND_NE, ra, disp21, 1);
|
| 2549 |
ret = 1;
|
| 2550 |
break;
|
| 2551 |
case 0x3D: |
| 2552 |
/* BNE */
|
| 2553 |
gen_bcond(ctx, TCG_COND_NE, ra, disp21, 0);
|
| 2554 |
ret = 1;
|
| 2555 |
break;
|
| 2556 |
case 0x3E: |
| 2557 |
/* BGE */
|
| 2558 |
gen_bcond(ctx, TCG_COND_GE, ra, disp21, 0);
|
| 2559 |
ret = 1;
|
| 2560 |
break;
|
| 2561 |
case 0x3F: |
| 2562 |
/* BGT */
|
| 2563 |
gen_bcond(ctx, TCG_COND_GT, ra, disp21, 0);
|
| 2564 |
ret = 1;
|
| 2565 |
break;
|
| 2566 |
invalid_opc:
|
| 2567 |
gen_invalid(ctx); |
| 2568 |
ret = 3;
|
| 2569 |
break;
|
| 2570 |
} |
| 2571 |
|
| 2572 |
return ret;
|
| 2573 |
} |
| 2574 |
|
| 2575 |
static inline void gen_intermediate_code_internal(CPUState *env, |
| 2576 |
TranslationBlock *tb, |
| 2577 |
int search_pc)
|
| 2578 |
{
|
| 2579 |
DisasContext ctx, *ctxp = &ctx; |
| 2580 |
target_ulong pc_start; |
| 2581 |
uint32_t insn; |
| 2582 |
uint16_t *gen_opc_end; |
| 2583 |
CPUBreakpoint *bp; |
| 2584 |
int j, lj = -1; |
| 2585 |
int ret;
|
| 2586 |
int num_insns;
|
| 2587 |
int max_insns;
|
| 2588 |
|
| 2589 |
pc_start = tb->pc; |
| 2590 |
gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
| 2591 |
ctx.pc = pc_start; |
| 2592 |
ctx.amask = env->amask; |
| 2593 |
ctx.env = env; |
| 2594 |
#if defined (CONFIG_USER_ONLY)
|
| 2595 |
ctx.mem_idx = 0;
|
| 2596 |
#else
|
| 2597 |
ctx.mem_idx = ((env->ps >> 3) & 3); |
| 2598 |
ctx.pal_mode = env->ipr[IPR_EXC_ADDR] & 1;
|
| 2599 |
#endif
|
| 2600 |
num_insns = 0;
|
| 2601 |
max_insns = tb->cflags & CF_COUNT_MASK; |
| 2602 |
if (max_insns == 0) |
| 2603 |
max_insns = CF_COUNT_MASK; |
| 2604 |
|
| 2605 |
gen_icount_start(); |
| 2606 |
for (ret = 0; ret == 0;) { |
| 2607 |
if (unlikely(!QTAILQ_EMPTY(&env->breakpoints))) {
|
| 2608 |
QTAILQ_FOREACH(bp, &env->breakpoints, entry) {
|
| 2609 |
if (bp->pc == ctx.pc) {
|
| 2610 |
gen_excp(&ctx, EXCP_DEBUG, 0);
|
| 2611 |
break;
|
| 2612 |
} |
| 2613 |
} |
| 2614 |
} |
| 2615 |
if (search_pc) {
|
| 2616 |
j = gen_opc_ptr - gen_opc_buf; |
| 2617 |
if (lj < j) {
|
| 2618 |
lj++; |
| 2619 |
while (lj < j)
|
| 2620 |
gen_opc_instr_start[lj++] = 0;
|
| 2621 |
} |
| 2622 |
gen_opc_pc[lj] = ctx.pc; |
| 2623 |
gen_opc_instr_start[lj] = 1;
|
| 2624 |
gen_opc_icount[lj] = num_insns; |
| 2625 |
} |
| 2626 |
if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) |
| 2627 |
gen_io_start(); |
| 2628 |
insn = ldl_code(ctx.pc); |
| 2629 |
num_insns++; |
| 2630 |
|
| 2631 |
if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP))) {
|
| 2632 |
tcg_gen_debug_insn_start(ctx.pc); |
| 2633 |
} |
| 2634 |
|
| 2635 |
ctx.pc += 4;
|
| 2636 |
ret = translate_one(ctxp, insn); |
| 2637 |
if (ret != 0) |
| 2638 |
break;
|
| 2639 |
/* if we reach a page boundary or are single stepping, stop
|
| 2640 |
* generation
|
| 2641 |
*/
|
| 2642 |
if (env->singlestep_enabled) {
|
| 2643 |
gen_excp(&ctx, EXCP_DEBUG, 0);
|
| 2644 |
break;
|
| 2645 |
} |
| 2646 |
|
| 2647 |
if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0) |
| 2648 |
break;
|
| 2649 |
|
| 2650 |
if (gen_opc_ptr >= gen_opc_end)
|
| 2651 |
break;
|
| 2652 |
|
| 2653 |
if (num_insns >= max_insns)
|
| 2654 |
break;
|
| 2655 |
|
| 2656 |
if (singlestep) {
|
| 2657 |
break;
|
| 2658 |
} |
| 2659 |
} |
| 2660 |
if (ret != 1 && ret != 3) { |
| 2661 |
tcg_gen_movi_i64(cpu_pc, ctx.pc); |
| 2662 |
} |
| 2663 |
if (tb->cflags & CF_LAST_IO)
|
| 2664 |
gen_io_end(); |
| 2665 |
/* Generate the return instruction */
|
| 2666 |
tcg_gen_exit_tb(0);
|
| 2667 |
gen_icount_end(tb, num_insns); |
| 2668 |
*gen_opc_ptr = INDEX_op_end; |
| 2669 |
if (search_pc) {
|
| 2670 |
j = gen_opc_ptr - gen_opc_buf; |
| 2671 |
lj++; |
| 2672 |
while (lj <= j)
|
| 2673 |
gen_opc_instr_start[lj++] = 0;
|
| 2674 |
} else {
|
| 2675 |
tb->size = ctx.pc - pc_start; |
| 2676 |
tb->icount = num_insns; |
| 2677 |
} |
| 2678 |
#ifdef DEBUG_DISAS
|
| 2679 |
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
|
| 2680 |
qemu_log("IN: %s\n", lookup_symbol(pc_start));
|
| 2681 |
log_target_disas(pc_start, ctx.pc - pc_start, 1);
|
| 2682 |
qemu_log("\n");
|
| 2683 |
} |
| 2684 |
#endif
|
| 2685 |
} |
| 2686 |
|
| 2687 |
void gen_intermediate_code (CPUState *env, struct TranslationBlock *tb) |
| 2688 |
{
|
| 2689 |
gen_intermediate_code_internal(env, tb, 0);
|
| 2690 |
} |
| 2691 |
|
| 2692 |
void gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb) |
| 2693 |
{
|
| 2694 |
gen_intermediate_code_internal(env, tb, 1);
|
| 2695 |
} |
| 2696 |
|
| 2697 |
struct cpu_def_t {
|
| 2698 |
const char *name; |
| 2699 |
int implver, amask;
|
| 2700 |
}; |
| 2701 |
|
| 2702 |
static const struct cpu_def_t cpu_defs[] = { |
| 2703 |
{ "ev4", IMPLVER_2106x, 0 },
|
| 2704 |
{ "ev5", IMPLVER_21164, 0 },
|
| 2705 |
{ "ev56", IMPLVER_21164, AMASK_BWX },
|
| 2706 |
{ "pca56", IMPLVER_21164, AMASK_BWX | AMASK_MVI },
|
| 2707 |
{ "ev6", IMPLVER_21264, AMASK_BWX | AMASK_FIX | AMASK_MVI | AMASK_TRAP },
|
| 2708 |
{ "ev67", IMPLVER_21264, (AMASK_BWX | AMASK_FIX | AMASK_CIX
|
| 2709 |
| AMASK_MVI | AMASK_TRAP | AMASK_PREFETCH), }, |
| 2710 |
{ "ev68", IMPLVER_21264, (AMASK_BWX | AMASK_FIX | AMASK_CIX
|
| 2711 |
| AMASK_MVI | AMASK_TRAP | AMASK_PREFETCH), }, |
| 2712 |
{ "21064", IMPLVER_2106x, 0 },
|
| 2713 |
{ "21164", IMPLVER_21164, 0 },
|
| 2714 |
{ "21164a", IMPLVER_21164, AMASK_BWX },
|
| 2715 |
{ "21164pc", IMPLVER_21164, AMASK_BWX | AMASK_MVI },
|
| 2716 |
{ "21264", IMPLVER_21264, AMASK_BWX | AMASK_FIX | AMASK_MVI | AMASK_TRAP },
|
| 2717 |
{ "21264a", IMPLVER_21264, (AMASK_BWX | AMASK_FIX | AMASK_CIX
|
| 2718 |
| AMASK_MVI | AMASK_TRAP | AMASK_PREFETCH), } |
| 2719 |
}; |
| 2720 |
|
| 2721 |
CPUAlphaState * cpu_alpha_init (const char *cpu_model) |
| 2722 |
{
|
| 2723 |
CPUAlphaState *env; |
| 2724 |
uint64_t hwpcb; |
| 2725 |
int implver, amask, i, max;
|
| 2726 |
|
| 2727 |
env = qemu_mallocz(sizeof(CPUAlphaState));
|
| 2728 |
cpu_exec_init(env); |
| 2729 |
alpha_translate_init(); |
| 2730 |
tlb_flush(env, 1);
|
| 2731 |
|
| 2732 |
/* Default to ev67; no reason not to emulate insns by default. */
|
| 2733 |
implver = IMPLVER_21264; |
| 2734 |
amask = (AMASK_BWX | AMASK_FIX | AMASK_CIX | AMASK_MVI |
| 2735 |
| AMASK_TRAP | AMASK_PREFETCH); |
| 2736 |
|
| 2737 |
max = ARRAY_SIZE(cpu_defs); |
| 2738 |
for (i = 0; i < max; i++) { |
| 2739 |
if (strcmp (cpu_model, cpu_defs[i].name) == 0) { |
| 2740 |
implver = cpu_defs[i].implver; |
| 2741 |
amask = cpu_defs[i].amask; |
| 2742 |
break;
|
| 2743 |
} |
| 2744 |
} |
| 2745 |
env->implver = implver; |
| 2746 |
env->amask = amask; |
| 2747 |
|
| 2748 |
env->ps = 0x1F00;
|
| 2749 |
#if defined (CONFIG_USER_ONLY)
|
| 2750 |
env->ps |= 1 << 3; |
| 2751 |
cpu_alpha_store_fpcr(env, (FPCR_INVD | FPCR_DZED | FPCR_OVFD |
| 2752 |
| FPCR_UNFD | FPCR_INED | FPCR_DNOD)); |
| 2753 |
#endif
|
| 2754 |
pal_init(env); |
| 2755 |
/* Initialize IPR */
|
| 2756 |
hwpcb = env->ipr[IPR_PCBB]; |
| 2757 |
env->ipr[IPR_ASN] = 0;
|
| 2758 |
env->ipr[IPR_ASTEN] = 0;
|
| 2759 |
env->ipr[IPR_ASTSR] = 0;
|
| 2760 |
env->ipr[IPR_DATFX] = 0;
|
| 2761 |
/* XXX: fix this */
|
| 2762 |
// env->ipr[IPR_ESP] = ldq_raw(hwpcb + 8);
|
| 2763 |
// env->ipr[IPR_KSP] = ldq_raw(hwpcb + 0);
|
| 2764 |
// env->ipr[IPR_SSP] = ldq_raw(hwpcb + 16);
|
| 2765 |
// env->ipr[IPR_USP] = ldq_raw(hwpcb + 24);
|
| 2766 |
env->ipr[IPR_FEN] = 0;
|
| 2767 |
env->ipr[IPR_IPL] = 31;
|
| 2768 |
env->ipr[IPR_MCES] = 0;
|
| 2769 |
env->ipr[IPR_PERFMON] = 0; /* Implementation specific */ |
| 2770 |
// env->ipr[IPR_PTBR] = ldq_raw(hwpcb + 32);
|
| 2771 |
env->ipr[IPR_SISR] = 0;
|
| 2772 |
env->ipr[IPR_VIRBND] = -1ULL;
|
| 2773 |
|
| 2774 |
qemu_init_vcpu(env); |
| 2775 |
return env;
|
| 2776 |
} |
| 2777 |
|
| 2778 |
void gen_pc_load(CPUState *env, TranslationBlock *tb,
|
| 2779 |
unsigned long searched_pc, int pc_pos, void *puc) |
| 2780 |
{
|
| 2781 |
env->pc = gen_opc_pc[pc_pos]; |
| 2782 |
} |