root / target-cris / translate.c @ a825e703
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/*
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* CRIS emulation for qemu: main translation routines.
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*
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* Copyright (c) 2008 AXIS Communications AB
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* Written by Edgar E. Iglesias.
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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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdarg.h> |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <inttypes.h> |
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#include <assert.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 "tcg-op.h" |
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#include "helper.h" |
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#include "crisv32-decode.h" |
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#define CRIS_STATS 0 |
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#if CRIS_STATS
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#define STATS(x) x
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#else
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#define STATS(x)
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#endif
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#define DISAS_CRIS 0 |
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#if DISAS_CRIS
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#define DIS(x) x
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#else
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#define DIS(x)
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#endif
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#define BUG() (gen_BUG(dc, __FILE__, __LINE__))
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#define BUG_ON(x) ({if (x) BUG();}) |
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#define DISAS_SWI 5 |
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/* Used by the decoder. */
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#define EXTRACT_FIELD(src, start, end) \
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(((src) >> start) & ((1 << (end - start + 1)) - 1)) |
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#define CC_MASK_NZ 0xc |
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#define CC_MASK_NZV 0xe |
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#define CC_MASK_NZVC 0xf |
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#define CC_MASK_RNZV 0x10e |
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TCGv cpu_env; |
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TCGv cpu_T[2];
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TCGv cpu_R[16];
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TCGv cpu_PR[16];
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TCGv cc_src; |
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TCGv cc_dest; |
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TCGv cc_result; |
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TCGv cc_op; |
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TCGv cc_size; |
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TCGv cc_mask; |
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/* This is the state at translation time. */
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typedef struct DisasContext { |
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CPUState *env; |
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target_ulong pc, insn_pc; |
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/* Decoder. */
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uint32_t ir; |
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uint32_t opcode; |
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unsigned int op1; |
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unsigned int op2; |
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unsigned int zsize, zzsize; |
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unsigned int mode; |
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unsigned int postinc; |
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int update_cc;
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int cc_op;
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int cc_size;
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uint32_t cc_mask; |
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int flags_live;
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int flagx_live;
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int flags_x;
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uint32_t tb_entry_flags; |
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int memidx; /* user or kernel mode. */ |
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int is_jmp;
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int dyn_jmp;
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uint32_t delayed_pc; |
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int delayed_branch;
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int bcc;
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uint32_t condlabel; |
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struct TranslationBlock *tb;
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int singlestep_enabled;
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} DisasContext; |
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void cris_prepare_jmp (DisasContext *dc, uint32_t dst);
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static void gen_BUG(DisasContext *dc, char *file, int line) |
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{ |
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printf ("BUG: pc=%x %s %d\n", dc->pc, file, line);
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fprintf (logfile, "BUG: pc=%x %s %d\n", dc->pc, file, line);
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cpu_dump_state (dc->env, stdout, fprintf, 0);
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fflush(NULL);
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cris_prepare_jmp (dc, 0x70000000 + line);
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} |
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#ifdef CONFIG_USER_ONLY
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#define GEN_OP_LD(width, reg) \
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void gen_op_ld##width##_T0_##reg (DisasContext *dc) { \ |
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gen_op_ld##width##_T0_##reg##_raw(); \ |
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} |
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#define GEN_OP_ST(width, reg) \
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void gen_op_st##width##_##reg##_T1 (DisasContext *dc) { \ |
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gen_op_st##width##_##reg##_T1_raw(); \ |
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} |
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#else
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#define GEN_OP_LD(width, reg) \
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void gen_op_ld##width##_T0_##reg (DisasContext *dc) { \ |
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if (dc->memidx) gen_op_ld##width##_T0_##reg##_kernel(); \ |
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else gen_op_ld##width##_T0_##reg##_user();\ |
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} |
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#define GEN_OP_ST(width, reg) \
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void gen_op_st##width##_##reg##_T1 (DisasContext *dc) { \ |
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if (dc->memidx) gen_op_st##width##_##reg##_T1_kernel(); \ |
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else gen_op_st##width##_##reg##_T1_user();\ |
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} |
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#endif
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GEN_OP_LD(ub, T0) |
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GEN_OP_LD(b, T0) |
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GEN_OP_ST(b, T0) |
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GEN_OP_LD(uw, T0) |
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GEN_OP_LD(w, T0) |
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GEN_OP_ST(w, T0) |
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GEN_OP_LD(l, T0) |
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GEN_OP_ST(l, T0) |
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const char *regnames[] = |
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{ |
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"$r0", "$r1", "$r2", "$r3", |
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"$r4", "$r5", "$r6", "$r7", |
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"$r8", "$r9", "$r10", "$r11", |
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"$r12", "$r13", "$sp", "$acr", |
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}; |
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const char *pregnames[] = |
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{ |
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"$bz", "$vr", "$pid", "$srs", |
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"$wz", "$exs", "$eda", "$mof", |
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"$dz", "$ebp", "$erp", "$srp", |
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"$nrp", "$ccs", "$usp", "$spc", |
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}; |
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/* We need this table to handle preg-moves with implicit width. */
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int preg_sizes[] = {
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1, /* bz. */ |
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1, /* vr. */ |
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4, /* pid. */ |
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1, /* srs. */ |
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2, /* wz. */ |
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4, 4, 4, |
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4, 4, 4, 4, |
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4, 4, 4, 4, |
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}; |
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#define t_gen_mov_TN_env(tn, member) \
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_t_gen_mov_TN_env((tn), offsetof(CPUState, member)) |
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#define t_gen_mov_env_TN(member, tn) \
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_t_gen_mov_env_TN(offsetof(CPUState, member), (tn)) |
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#define t_gen_mov_TN_reg(tn, regno) \
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tcg_gen_mov_tl(tn, cpu_R[regno]) |
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#define t_gen_mov_reg_TN(regno, tn) \
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tcg_gen_mov_tl(cpu_R[regno], tn) |
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static inline void _t_gen_mov_TN_env(TCGv tn, int offset) |
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{ |
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tcg_gen_ld_tl(tn, cpu_env, offset); |
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} |
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static inline void _t_gen_mov_env_TN(int offset, TCGv tn) |
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{ |
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tcg_gen_st_tl(tn, cpu_env, offset); |
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} |
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static inline void t_gen_mov_TN_preg(TCGv tn, int r) |
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{ |
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if (r == PR_BZ || r == PR_WZ || r == PR_DZ)
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tcg_gen_mov_tl(tn, tcg_const_tl(0));
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else if (r == PR_VR) |
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tcg_gen_mov_tl(tn, tcg_const_tl(32));
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else
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tcg_gen_mov_tl(tn, cpu_PR[r]); |
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} |
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static inline void t_gen_mov_preg_TN(int r, TCGv tn) |
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{ |
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if (r == PR_BZ || r == PR_WZ || r == PR_DZ)
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return;
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else
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tcg_gen_mov_tl(cpu_PR[r], tn); |
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} |
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static inline void t_gen_mov_TN_im(TCGv tn, int32_t val) |
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{ |
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tcg_gen_movi_tl(tn, val); |
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} |
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static void t_gen_lsl(TCGv d, TCGv a, TCGv b) |
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{ |
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int l1;
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l1 = gen_new_label(); |
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/* Speculative shift. */
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tcg_gen_shl_tl(d, a, b); |
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tcg_gen_brcond_tl(TCG_COND_LE, b, tcg_const_tl(31), l1);
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/* Clear dst if shift operands were to large. */
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tcg_gen_movi_tl(d, 0);
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gen_set_label(l1); |
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} |
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static void t_gen_lsr(TCGv d, TCGv a, TCGv b) |
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{ |
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int l1;
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l1 = gen_new_label(); |
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/* Speculative shift. */
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tcg_gen_shr_tl(d, a, b); |
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tcg_gen_brcond_tl(TCG_COND_LE, b, tcg_const_tl(31), l1);
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/* Clear dst if shift operands were to large. */
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tcg_gen_movi_tl(d, 0);
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gen_set_label(l1); |
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} |
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static void t_gen_asr(TCGv d, TCGv a, TCGv b) |
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{ |
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int l1;
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l1 = gen_new_label(); |
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/* Speculative shift. */
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tcg_gen_sar_tl(d, a, b); |
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tcg_gen_brcond_tl(TCG_COND_LE, b, tcg_const_tl(31), l1);
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/* Clear dst if shift operands were to large. */
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tcg_gen_movi_tl(d, 0);
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tcg_gen_brcond_tl(TCG_COND_LT, b, tcg_const_tl(0x80000000), l1);
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tcg_gen_movi_tl(d, 0xffffffff);
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gen_set_label(l1); |
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} |
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/* 64-bit signed mul, lower result in d and upper in d2. */
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static void t_gen_muls(TCGv d, TCGv d2, TCGv a, TCGv b) |
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{ |
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TCGv t0, t1; |
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t0 = tcg_temp_new(TCG_TYPE_I64); |
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t1 = tcg_temp_new(TCG_TYPE_I64); |
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tcg_gen_ext32s_i64(t0, a); |
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tcg_gen_ext32s_i64(t1, b); |
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tcg_gen_mul_i64(t0, t0, t1); |
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tcg_gen_trunc_i64_i32(d, t0); |
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tcg_gen_shri_i64(t0, t0, 32);
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tcg_gen_trunc_i64_i32(d2, t0); |
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} |
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/* 64-bit unsigned muls, lower result in d and upper in d2. */
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static void t_gen_mulu(TCGv d, TCGv d2, TCGv a, TCGv b) |
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{ |
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TCGv t0, t1; |
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t0 = tcg_temp_new(TCG_TYPE_I64); |
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t1 = tcg_temp_new(TCG_TYPE_I64); |
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tcg_gen_extu_i32_i64(t0, a); |
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tcg_gen_extu_i32_i64(t1, b); |
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tcg_gen_mul_i64(t0, t0, t1); |
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tcg_gen_trunc_i64_i32(d, t0); |
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tcg_gen_shri_i64(t0, t0, 32);
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tcg_gen_trunc_i64_i32(d2, t0); |
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} |
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/* Extended arithmetics on CRIS. */
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static inline void t_gen_add_flag(TCGv d, int flag) |
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{ |
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TCGv c; |
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c = tcg_temp_new(TCG_TYPE_TL); |
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t_gen_mov_TN_preg(c, PR_CCS); |
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/* Propagate carry into d. */
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tcg_gen_andi_tl(c, c, 1 << flag);
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if (flag)
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tcg_gen_shri_tl(c, c, flag); |
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tcg_gen_add_tl(d, d, c); |
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} |
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static inline void t_gen_addx_carry(TCGv d) |
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{ |
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TCGv x, c; |
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x = tcg_temp_new(TCG_TYPE_TL); |
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c = tcg_temp_new(TCG_TYPE_TL); |
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t_gen_mov_TN_preg(x, PR_CCS); |
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tcg_gen_mov_tl(c, x); |
317 |
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/* Propagate carry into d if X is set. Branch free. */
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tcg_gen_andi_tl(c, c, C_FLAG); |
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tcg_gen_andi_tl(x, x, X_FLAG); |
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tcg_gen_shri_tl(x, x, 4);
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tcg_gen_and_tl(x, x, c); |
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tcg_gen_add_tl(d, d, x); |
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} |
326 |
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static inline void t_gen_subx_carry(TCGv d) |
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{ |
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TCGv x, c; |
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x = tcg_temp_new(TCG_TYPE_TL); |
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c = tcg_temp_new(TCG_TYPE_TL); |
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t_gen_mov_TN_preg(x, PR_CCS); |
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tcg_gen_mov_tl(c, x); |
335 |
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/* Propagate carry into d if X is set. Branch free. */
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tcg_gen_andi_tl(c, c, C_FLAG); |
338 |
tcg_gen_andi_tl(x, x, X_FLAG); |
339 |
tcg_gen_shri_tl(x, x, 4);
|
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|
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tcg_gen_and_tl(x, x, c); |
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tcg_gen_sub_tl(d, d, x); |
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} |
344 |
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/* Swap the two bytes within each half word of the s operand.
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T0 = ((T0 << 8) & 0xff00ff00) | ((T0 >> 8) & 0x00ff00ff) */
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static inline void t_gen_swapb(TCGv d, TCGv s) |
348 |
{ |
349 |
TCGv t, org_s; |
350 |
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t = tcg_temp_new(TCG_TYPE_TL); |
352 |
org_s = tcg_temp_new(TCG_TYPE_TL); |
353 |
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/* d and s may refer to the same object. */
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tcg_gen_mov_tl(org_s, s); |
356 |
tcg_gen_shli_tl(t, org_s, 8);
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tcg_gen_andi_tl(d, t, 0xff00ff00);
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tcg_gen_shri_tl(t, org_s, 8);
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tcg_gen_andi_tl(t, t, 0x00ff00ff);
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tcg_gen_or_tl(d, d, t); |
361 |
} |
362 |
|
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/* Swap the halfwords of the s operand. */
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static inline void t_gen_swapw(TCGv d, TCGv s) |
365 |
{ |
366 |
TCGv t; |
367 |
/* d and s refer the same object. */
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t = tcg_temp_new(TCG_TYPE_TL); |
369 |
tcg_gen_mov_tl(t, s); |
370 |
tcg_gen_shli_tl(d, t, 16);
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tcg_gen_shri_tl(t, t, 16);
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tcg_gen_or_tl(d, d, t); |
373 |
} |
374 |
|
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/* Reverse the within each byte.
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T0 = (((T0 << 7) & 0x80808080) |
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((T0 << 5) & 0x40404040) |
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((T0 << 3) & 0x20202020) |
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((T0 << 1) & 0x10101010) |
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((T0 >> 1) & 0x08080808) |
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((T0 >> 3) & 0x04040404) |
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((T0 >> 5) & 0x02020202) |
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((T0 >> 7) & 0x01010101));
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384 |
*/
|
385 |
static inline void t_gen_swapr(TCGv d, TCGv s) |
386 |
{ |
387 |
struct {
|
388 |
int shift; /* LSL when positive, LSR when negative. */ |
389 |
uint32_t mask; |
390 |
} bitrev [] = { |
391 |
{7, 0x80808080}, |
392 |
{5, 0x40404040}, |
393 |
{3, 0x20202020}, |
394 |
{1, 0x10101010}, |
395 |
{-1, 0x08080808}, |
396 |
{-3, 0x04040404}, |
397 |
{-5, 0x02020202}, |
398 |
{-7, 0x01010101} |
399 |
}; |
400 |
int i;
|
401 |
TCGv t, org_s; |
402 |
|
403 |
/* d and s refer the same object. */
|
404 |
t = tcg_temp_new(TCG_TYPE_TL); |
405 |
org_s = tcg_temp_new(TCG_TYPE_TL); |
406 |
tcg_gen_mov_tl(org_s, s); |
407 |
|
408 |
tcg_gen_shli_tl(t, org_s, bitrev[0].shift);
|
409 |
tcg_gen_andi_tl(d, t, bitrev[0].mask);
|
410 |
for (i = 1; i < sizeof bitrev / sizeof bitrev[0]; i++) { |
411 |
if (bitrev[i].shift >= 0) { |
412 |
tcg_gen_shli_tl(t, org_s, bitrev[i].shift); |
413 |
} else {
|
414 |
tcg_gen_shri_tl(t, org_s, -bitrev[i].shift); |
415 |
} |
416 |
tcg_gen_andi_tl(t, t, bitrev[i].mask); |
417 |
tcg_gen_or_tl(d, d, t); |
418 |
} |
419 |
} |
420 |
|
421 |
static void gen_goto_tb(DisasContext *dc, int n, target_ulong dest) |
422 |
{ |
423 |
TranslationBlock *tb; |
424 |
tb = dc->tb; |
425 |
if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) {
|
426 |
tcg_gen_goto_tb(n); |
427 |
tcg_gen_movi_tl(cpu_T[0], dest);
|
428 |
t_gen_mov_env_TN(pc, cpu_T[0]);
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429 |
tcg_gen_exit_tb((long)tb + n);
|
430 |
} else {
|
431 |
t_gen_mov_env_TN(pc, cpu_T[0]);
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432 |
tcg_gen_exit_tb(0);
|
433 |
} |
434 |
} |
435 |
|
436 |
/* Sign extend at translation time. */
|
437 |
static int sign_extend(unsigned int val, unsigned int width) |
438 |
{ |
439 |
int sval;
|
440 |
|
441 |
/* LSL. */
|
442 |
val <<= 31 - width;
|
443 |
sval = val; |
444 |
/* ASR. */
|
445 |
sval >>= 31 - width;
|
446 |
return sval;
|
447 |
} |
448 |
|
449 |
static inline void cris_clear_x_flag(DisasContext *dc) |
450 |
{ |
451 |
if (!dc->flagx_live || dc->cc_op != CC_OP_FLAGS) {
|
452 |
t_gen_mov_TN_preg(cpu_T[0], PR_CCS);
|
453 |
tcg_gen_andi_i32(cpu_T[0], cpu_T[0], ~X_FLAG); |
454 |
t_gen_mov_preg_TN(PR_CCS, cpu_T[0]);
|
455 |
dc->flagx_live = 1;
|
456 |
dc->flags_x = 0;
|
457 |
} |
458 |
} |
459 |
|
460 |
static void cris_evaluate_flags(DisasContext *dc) |
461 |
{ |
462 |
if (!dc->flags_live) {
|
463 |
switch (dc->cc_op)
|
464 |
{ |
465 |
case CC_OP_MCP:
|
466 |
gen_op_evaluate_flags_mcp (); |
467 |
break;
|
468 |
case CC_OP_MULS:
|
469 |
gen_op_evaluate_flags_muls (); |
470 |
break;
|
471 |
case CC_OP_MULU:
|
472 |
gen_op_evaluate_flags_mulu (); |
473 |
break;
|
474 |
case CC_OP_MOVE:
|
475 |
switch (dc->cc_size)
|
476 |
{ |
477 |
case 4: |
478 |
gen_op_evaluate_flags_move_4(); |
479 |
break;
|
480 |
case 2: |
481 |
gen_op_evaluate_flags_move_2(); |
482 |
break;
|
483 |
default:
|
484 |
gen_op_evaluate_flags (); |
485 |
break;
|
486 |
} |
487 |
break;
|
488 |
|
489 |
default:
|
490 |
{ |
491 |
switch (dc->cc_size)
|
492 |
{ |
493 |
case 4: |
494 |
gen_op_evaluate_flags_alu_4 (); |
495 |
break;
|
496 |
default:
|
497 |
gen_op_evaluate_flags (); |
498 |
break;
|
499 |
} |
500 |
} |
501 |
break;
|
502 |
} |
503 |
dc->flags_live = 1;
|
504 |
} |
505 |
} |
506 |
|
507 |
static void cris_cc_mask(DisasContext *dc, unsigned int mask) |
508 |
{ |
509 |
uint32_t ovl; |
510 |
|
511 |
/* Check if we need to evaluate the condition codes due to
|
512 |
CC overlaying. */
|
513 |
ovl = (dc->cc_mask ^ mask) & ~mask; |
514 |
if (ovl) {
|
515 |
/* TODO: optimize this case. It trigs all the time. */
|
516 |
cris_evaluate_flags (dc); |
517 |
} |
518 |
dc->cc_mask = mask; |
519 |
dc->update_cc = 1;
|
520 |
|
521 |
if (mask == 0) |
522 |
dc->update_cc = 0;
|
523 |
else
|
524 |
dc->flags_live = 0;
|
525 |
} |
526 |
|
527 |
static void cris_update_cc_op(DisasContext *dc, int op) |
528 |
{ |
529 |
dc->cc_op = op; |
530 |
dc->flags_live = 0;
|
531 |
tcg_gen_movi_tl(cc_op, op); |
532 |
} |
533 |
static void cris_update_cc_size(DisasContext *dc, int size) |
534 |
{ |
535 |
dc->cc_size = size; |
536 |
tcg_gen_movi_tl(cc_size, size); |
537 |
} |
538 |
|
539 |
/* op is the operation.
|
540 |
T0, T1 are the operands.
|
541 |
dst is the destination reg.
|
542 |
*/
|
543 |
static void crisv32_alu_op(DisasContext *dc, int op, int rd, int size) |
544 |
{ |
545 |
int writeback = 1; |
546 |
if (dc->update_cc) {
|
547 |
cris_update_cc_op(dc, op); |
548 |
cris_update_cc_size(dc, size); |
549 |
tcg_gen_mov_tl(cc_dest, cpu_T[0]);
|
550 |
tcg_gen_movi_tl(cc_mask, dc->cc_mask); |
551 |
|
552 |
/* FIXME: This shouldn't be needed. But we don't pass the
|
553 |
tests without it. Investigate. */
|
554 |
t_gen_mov_env_TN(cc_x_live, tcg_const_tl(dc->flagx_live)); |
555 |
t_gen_mov_env_TN(cc_x, tcg_const_tl(dc->flags_x)); |
556 |
} |
557 |
|
558 |
/* Emit the ALU insns. */
|
559 |
switch (op)
|
560 |
{ |
561 |
case CC_OP_ADD:
|
562 |
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
563 |
/* Extended arithmetics. */
|
564 |
t_gen_addx_carry(cpu_T[0]);
|
565 |
break;
|
566 |
case CC_OP_ADDC:
|
567 |
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
568 |
t_gen_add_flag(cpu_T[0], 0); /* C_FLAG. */ |
569 |
break;
|
570 |
case CC_OP_MCP:
|
571 |
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
572 |
t_gen_add_flag(cpu_T[0], 8); /* R_FLAG. */ |
573 |
break;
|
574 |
case CC_OP_SUB:
|
575 |
tcg_gen_sub_tl(cpu_T[1], tcg_const_tl(0), cpu_T[1]); |
576 |
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
577 |
tcg_gen_sub_tl(cpu_T[1], tcg_const_tl(0), cpu_T[1]); |
578 |
/* CRIS flag evaluation needs ~src. */
|
579 |
tcg_gen_xori_tl(cpu_T[1], cpu_T[1], -1); |
580 |
|
581 |
/* Extended arithmetics. */
|
582 |
t_gen_subx_carry(cpu_T[0]);
|
583 |
break;
|
584 |
case CC_OP_MOVE:
|
585 |
tcg_gen_mov_tl(cpu_T[0], cpu_T[1]); |
586 |
break;
|
587 |
case CC_OP_OR:
|
588 |
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
589 |
break;
|
590 |
case CC_OP_AND:
|
591 |
tcg_gen_and_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
592 |
break;
|
593 |
case CC_OP_XOR:
|
594 |
tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
595 |
break;
|
596 |
case CC_OP_LSL:
|
597 |
t_gen_lsl(cpu_T[0], cpu_T[0], cpu_T[1]); |
598 |
break;
|
599 |
case CC_OP_LSR:
|
600 |
t_gen_lsr(cpu_T[0], cpu_T[0], cpu_T[1]); |
601 |
break;
|
602 |
case CC_OP_ASR:
|
603 |
t_gen_asr(cpu_T[0], cpu_T[0], cpu_T[1]); |
604 |
break;
|
605 |
case CC_OP_NEG:
|
606 |
/* Hopefully the TCG backend recognizes this pattern
|
607 |
and makes a real neg out of it. */
|
608 |
tcg_gen_sub_tl(cpu_T[0], tcg_const_tl(0), cpu_T[1]); |
609 |
/* Extended arithmetics. */
|
610 |
t_gen_subx_carry(cpu_T[0]);
|
611 |
break;
|
612 |
case CC_OP_LZ:
|
613 |
gen_op_lz_T0_T1(); |
614 |
break;
|
615 |
case CC_OP_BTST:
|
616 |
gen_op_btst_T0_T1(); |
617 |
writeback = 0;
|
618 |
break;
|
619 |
case CC_OP_MULS:
|
620 |
{ |
621 |
TCGv mof; |
622 |
mof = tcg_temp_new(TCG_TYPE_TL); |
623 |
t_gen_muls(cpu_T[0], mof, cpu_T[0], cpu_T[1]); |
624 |
t_gen_mov_preg_TN(PR_MOF, mof); |
625 |
} |
626 |
break;
|
627 |
case CC_OP_MULU:
|
628 |
{ |
629 |
TCGv mof; |
630 |
mof = tcg_temp_new(TCG_TYPE_TL); |
631 |
t_gen_mulu(cpu_T[0], mof, cpu_T[0], cpu_T[1]); |
632 |
t_gen_mov_preg_TN(PR_MOF, mof); |
633 |
} |
634 |
break;
|
635 |
case CC_OP_DSTEP:
|
636 |
gen_op_dstep_T0_T1(); |
637 |
break;
|
638 |
case CC_OP_BOUND:
|
639 |
{ |
640 |
int l1;
|
641 |
l1 = gen_new_label(); |
642 |
tcg_gen_brcond_tl(TCG_COND_LEU, |
643 |
cpu_T[0], cpu_T[1], l1); |
644 |
tcg_gen_mov_tl(cpu_T[0], cpu_T[1]); |
645 |
gen_set_label(l1); |
646 |
} |
647 |
break;
|
648 |
case CC_OP_CMP:
|
649 |
tcg_gen_sub_tl(cpu_T[1], tcg_const_tl(0), cpu_T[1]); |
650 |
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
651 |
/* CRIS flag evaluation needs ~src. */
|
652 |
tcg_gen_sub_tl(cpu_T[1], tcg_const_tl(0), cpu_T[1]); |
653 |
/* CRIS flag evaluation needs ~src. */
|
654 |
tcg_gen_xori_tl(cpu_T[1], cpu_T[1], -1); |
655 |
|
656 |
/* Extended arithmetics. */
|
657 |
t_gen_subx_carry(cpu_T[0]);
|
658 |
writeback = 0;
|
659 |
break;
|
660 |
default:
|
661 |
fprintf (logfile, "illegal ALU op.\n");
|
662 |
BUG(); |
663 |
break;
|
664 |
} |
665 |
|
666 |
if (dc->update_cc)
|
667 |
tcg_gen_mov_tl(cc_src, cpu_T[1]);
|
668 |
|
669 |
if (size == 1) |
670 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xff); |
671 |
else if (size == 2) |
672 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xffff); |
673 |
|
674 |
/* Writeback. */
|
675 |
if (writeback) {
|
676 |
if (size == 4) |
677 |
t_gen_mov_reg_TN(rd, cpu_T[0]);
|
678 |
else {
|
679 |
tcg_gen_mov_tl(cpu_T[1], cpu_T[0]); |
680 |
t_gen_mov_TN_reg(cpu_T[0], rd);
|
681 |
if (size == 1) |
682 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], ~0xff); |
683 |
else
|
684 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], ~0xffff); |
685 |
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
686 |
t_gen_mov_reg_TN(rd, cpu_T[0]);
|
687 |
tcg_gen_mov_tl(cpu_T[0], cpu_T[1]); |
688 |
} |
689 |
} |
690 |
if (dc->update_cc)
|
691 |
tcg_gen_mov_tl(cc_result, cpu_T[0]);
|
692 |
|
693 |
{ |
694 |
/* TODO: Optimize this. */
|
695 |
if (!dc->flagx_live)
|
696 |
cris_evaluate_flags(dc); |
697 |
} |
698 |
} |
699 |
|
700 |
static int arith_cc(DisasContext *dc) |
701 |
{ |
702 |
if (dc->update_cc) {
|
703 |
switch (dc->cc_op) {
|
704 |
case CC_OP_ADD: return 1; |
705 |
case CC_OP_SUB: return 1; |
706 |
case CC_OP_LSL: return 1; |
707 |
case CC_OP_LSR: return 1; |
708 |
case CC_OP_ASR: return 1; |
709 |
case CC_OP_CMP: return 1; |
710 |
default:
|
711 |
return 0; |
712 |
} |
713 |
} |
714 |
return 0; |
715 |
} |
716 |
|
717 |
static void gen_tst_cc (DisasContext *dc, int cond) |
718 |
{ |
719 |
int arith_opt;
|
720 |
|
721 |
/* TODO: optimize more condition codes. */
|
722 |
arith_opt = arith_cc(dc) && !dc->flags_live; |
723 |
switch (cond) {
|
724 |
case CC_EQ:
|
725 |
if (arith_opt)
|
726 |
gen_op_tst_cc_eq_fast (); |
727 |
else {
|
728 |
cris_evaluate_flags(dc); |
729 |
gen_op_tst_cc_eq (); |
730 |
} |
731 |
break;
|
732 |
case CC_NE:
|
733 |
if (arith_opt)
|
734 |
gen_op_tst_cc_ne_fast (); |
735 |
else {
|
736 |
cris_evaluate_flags(dc); |
737 |
gen_op_tst_cc_ne (); |
738 |
} |
739 |
break;
|
740 |
case CC_CS:
|
741 |
cris_evaluate_flags(dc); |
742 |
gen_op_tst_cc_cs (); |
743 |
break;
|
744 |
case CC_CC:
|
745 |
cris_evaluate_flags(dc); |
746 |
gen_op_tst_cc_cc (); |
747 |
break;
|
748 |
case CC_VS:
|
749 |
cris_evaluate_flags(dc); |
750 |
gen_op_tst_cc_vs (); |
751 |
break;
|
752 |
case CC_VC:
|
753 |
cris_evaluate_flags(dc); |
754 |
gen_op_tst_cc_vc (); |
755 |
break;
|
756 |
case CC_PL:
|
757 |
if (arith_opt)
|
758 |
gen_op_tst_cc_pl_fast (); |
759 |
else {
|
760 |
cris_evaluate_flags(dc); |
761 |
gen_op_tst_cc_pl (); |
762 |
} |
763 |
break;
|
764 |
case CC_MI:
|
765 |
if (arith_opt)
|
766 |
gen_op_tst_cc_mi_fast (); |
767 |
else {
|
768 |
cris_evaluate_flags(dc); |
769 |
gen_op_tst_cc_mi (); |
770 |
} |
771 |
break;
|
772 |
case CC_LS:
|
773 |
cris_evaluate_flags(dc); |
774 |
gen_op_tst_cc_ls (); |
775 |
break;
|
776 |
case CC_HI:
|
777 |
cris_evaluate_flags(dc); |
778 |
gen_op_tst_cc_hi (); |
779 |
break;
|
780 |
case CC_GE:
|
781 |
cris_evaluate_flags(dc); |
782 |
gen_op_tst_cc_ge (); |
783 |
break;
|
784 |
case CC_LT:
|
785 |
cris_evaluate_flags(dc); |
786 |
gen_op_tst_cc_lt (); |
787 |
break;
|
788 |
case CC_GT:
|
789 |
cris_evaluate_flags(dc); |
790 |
gen_op_tst_cc_gt (); |
791 |
break;
|
792 |
case CC_LE:
|
793 |
cris_evaluate_flags(dc); |
794 |
gen_op_tst_cc_le (); |
795 |
break;
|
796 |
case CC_P:
|
797 |
cris_evaluate_flags(dc); |
798 |
gen_op_tst_cc_p (); |
799 |
break;
|
800 |
case CC_A:
|
801 |
cris_evaluate_flags(dc); |
802 |
gen_op_movl_T0_im (1);
|
803 |
break;
|
804 |
default:
|
805 |
BUG(); |
806 |
break;
|
807 |
}; |
808 |
} |
809 |
|
810 |
static void cris_prepare_cc_branch (DisasContext *dc, int offset, int cond) |
811 |
{ |
812 |
/* This helps us re-schedule the micro-code to insns in delay-slots
|
813 |
before the actual jump. */
|
814 |
dc->delayed_branch = 2;
|
815 |
dc->delayed_pc = dc->pc + offset; |
816 |
dc->bcc = cond; |
817 |
if (cond != CC_A)
|
818 |
{ |
819 |
gen_tst_cc (dc, cond); |
820 |
gen_op_evaluate_bcc (); |
821 |
} |
822 |
tcg_gen_movi_tl(cpu_T[0], dc->delayed_pc);
|
823 |
t_gen_mov_env_TN(btarget, cpu_T[0]);
|
824 |
} |
825 |
|
826 |
/* Dynamic jumps, when the dest is in a live reg for example. */
|
827 |
void cris_prepare_dyn_jmp (DisasContext *dc)
|
828 |
{ |
829 |
/* This helps us re-schedule the micro-code to insns in delay-slots
|
830 |
before the actual jump. */
|
831 |
dc->delayed_branch = 2;
|
832 |
dc->dyn_jmp = 1;
|
833 |
dc->bcc = CC_A; |
834 |
} |
835 |
|
836 |
void cris_prepare_jmp (DisasContext *dc, uint32_t dst)
|
837 |
{ |
838 |
/* This helps us re-schedule the micro-code to insns in delay-slots
|
839 |
before the actual jump. */
|
840 |
dc->delayed_branch = 2;
|
841 |
dc->delayed_pc = dst; |
842 |
dc->dyn_jmp = 0;
|
843 |
dc->bcc = CC_A; |
844 |
} |
845 |
|
846 |
void gen_load_T0_T0 (DisasContext *dc, unsigned int size, int sign) |
847 |
{ |
848 |
if (size == 1) { |
849 |
if (sign)
|
850 |
gen_op_ldb_T0_T0(dc); |
851 |
else
|
852 |
gen_op_ldub_T0_T0(dc); |
853 |
} |
854 |
else if (size == 2) { |
855 |
if (sign)
|
856 |
gen_op_ldw_T0_T0(dc); |
857 |
else
|
858 |
gen_op_lduw_T0_T0(dc); |
859 |
} |
860 |
else {
|
861 |
gen_op_ldl_T0_T0(dc); |
862 |
} |
863 |
} |
864 |
|
865 |
void gen_store_T0_T1 (DisasContext *dc, unsigned int size) |
866 |
{ |
867 |
/* Remember, operands are flipped. CRIS has reversed order. */
|
868 |
if (size == 1) { |
869 |
gen_op_stb_T0_T1(dc); |
870 |
} |
871 |
else if (size == 2) { |
872 |
gen_op_stw_T0_T1(dc); |
873 |
} |
874 |
else
|
875 |
gen_op_stl_T0_T1(dc); |
876 |
} |
877 |
|
878 |
static inline void t_gen_sext(TCGv d, TCGv s, int size) |
879 |
{ |
880 |
if (size == 1) |
881 |
tcg_gen_ext8s_i32(d, s); |
882 |
else if (size == 2) |
883 |
tcg_gen_ext16s_i32(d, s); |
884 |
} |
885 |
|
886 |
static inline void t_gen_zext(TCGv d, TCGv s, int size) |
887 |
{ |
888 |
/* TCG-FIXME: this is not optimal. Many archs have fast zext insns. */
|
889 |
if (size == 1) |
890 |
tcg_gen_andi_i32(d, s, 0xff);
|
891 |
else if (size == 2) |
892 |
tcg_gen_andi_i32(d, s, 0xffff);
|
893 |
} |
894 |
|
895 |
#if DISAS_CRIS
|
896 |
static char memsize_char(int size) |
897 |
{ |
898 |
switch (size)
|
899 |
{ |
900 |
case 1: return 'b'; break; |
901 |
case 2: return 'w'; break; |
902 |
case 4: return 'd'; break; |
903 |
default:
|
904 |
return 'x'; |
905 |
break;
|
906 |
} |
907 |
} |
908 |
#endif
|
909 |
|
910 |
static unsigned int memsize_z(DisasContext *dc) |
911 |
{ |
912 |
return dc->zsize + 1; |
913 |
} |
914 |
|
915 |
static unsigned int memsize_zz(DisasContext *dc) |
916 |
{ |
917 |
switch (dc->zzsize)
|
918 |
{ |
919 |
case 0: return 1; |
920 |
case 1: return 2; |
921 |
default:
|
922 |
return 4; |
923 |
} |
924 |
} |
925 |
|
926 |
static void do_postinc (DisasContext *dc, int size) |
927 |
{ |
928 |
if (!dc->postinc)
|
929 |
return;
|
930 |
t_gen_mov_TN_reg(cpu_T[0], dc->op1);
|
931 |
tcg_gen_addi_tl(cpu_T[0], cpu_T[0], size); |
932 |
t_gen_mov_reg_TN(dc->op1, cpu_T[0]);
|
933 |
} |
934 |
|
935 |
|
936 |
static void dec_prep_move_r(DisasContext *dc, int rs, int rd, |
937 |
int size, int s_ext) |
938 |
{ |
939 |
t_gen_mov_TN_reg(cpu_T[1], rs);
|
940 |
if (s_ext)
|
941 |
t_gen_sext(cpu_T[1], cpu_T[1], size); |
942 |
else
|
943 |
t_gen_zext(cpu_T[1], cpu_T[1], size); |
944 |
} |
945 |
|
946 |
/* Prepare T0 and T1 for a register alu operation.
|
947 |
s_ext decides if the operand1 should be sign-extended or zero-extended when
|
948 |
needed. */
|
949 |
static void dec_prep_alu_r(DisasContext *dc, int rs, int rd, |
950 |
int size, int s_ext) |
951 |
{ |
952 |
dec_prep_move_r(dc, rs, rd, size, s_ext); |
953 |
|
954 |
t_gen_mov_TN_reg(cpu_T[0], rd);
|
955 |
if (s_ext)
|
956 |
t_gen_sext(cpu_T[0], cpu_T[0], size); |
957 |
else
|
958 |
t_gen_zext(cpu_T[0], cpu_T[0], size); |
959 |
} |
960 |
|
961 |
/* Prepare T0 and T1 for a memory + alu operation.
|
962 |
s_ext decides if the operand1 should be sign-extended or zero-extended when
|
963 |
needed. */
|
964 |
static int dec_prep_alu_m(DisasContext *dc, int s_ext, int memsize) |
965 |
{ |
966 |
unsigned int rs, rd; |
967 |
uint32_t imm; |
968 |
int is_imm;
|
969 |
int insn_len = 2; |
970 |
|
971 |
rs = dc->op1; |
972 |
rd = dc->op2; |
973 |
is_imm = rs == 15 && dc->postinc;
|
974 |
|
975 |
/* Load [$rs] onto T1. */
|
976 |
if (is_imm) {
|
977 |
insn_len = 2 + memsize;
|
978 |
if (memsize == 1) |
979 |
insn_len++; |
980 |
|
981 |
imm = ldl_code(dc->pc + 2);
|
982 |
if (memsize != 4) { |
983 |
if (s_ext) {
|
984 |
imm = sign_extend(imm, (memsize * 8) - 1); |
985 |
} else {
|
986 |
if (memsize == 1) |
987 |
imm &= 0xff;
|
988 |
else
|
989 |
imm &= 0xffff;
|
990 |
} |
991 |
} |
992 |
DIS(fprintf (logfile, "imm=%x rd=%d sext=%d ms=%d\n",
|
993 |
imm, rd, s_ext, memsize)); |
994 |
tcg_gen_movi_tl(cpu_T[1], imm);
|
995 |
dc->postinc = 0;
|
996 |
} else {
|
997 |
t_gen_mov_TN_reg(cpu_T[0], rs);
|
998 |
gen_load_T0_T0(dc, memsize, 0);
|
999 |
tcg_gen_mov_tl(cpu_T[1], cpu_T[0]); |
1000 |
if (s_ext)
|
1001 |
t_gen_sext(cpu_T[1], cpu_T[1], memsize); |
1002 |
else
|
1003 |
t_gen_zext(cpu_T[1], cpu_T[1], memsize); |
1004 |
} |
1005 |
|
1006 |
/* put dest in T0. */
|
1007 |
t_gen_mov_TN_reg(cpu_T[0], rd);
|
1008 |
return insn_len;
|
1009 |
} |
1010 |
|
1011 |
#if DISAS_CRIS
|
1012 |
static const char *cc_name(int cc) |
1013 |
{ |
1014 |
static char *cc_names[16] = { |
1015 |
"cc", "cs", "ne", "eq", "vc", "vs", "pl", "mi", |
1016 |
"ls", "hi", "ge", "lt", "gt", "le", "a", "p" |
1017 |
}; |
1018 |
assert(cc < 16);
|
1019 |
return cc_names[cc];
|
1020 |
} |
1021 |
#endif
|
1022 |
|
1023 |
static unsigned int dec_bccq(DisasContext *dc) |
1024 |
{ |
1025 |
int32_t offset; |
1026 |
int sign;
|
1027 |
uint32_t cond = dc->op2; |
1028 |
int tmp;
|
1029 |
|
1030 |
offset = EXTRACT_FIELD (dc->ir, 1, 7); |
1031 |
sign = EXTRACT_FIELD(dc->ir, 0, 0); |
1032 |
|
1033 |
offset *= 2;
|
1034 |
offset |= sign << 8;
|
1035 |
tmp = offset; |
1036 |
offset = sign_extend(offset, 8);
|
1037 |
|
1038 |
/* op2 holds the condition-code. */
|
1039 |
cris_cc_mask(dc, 0);
|
1040 |
cris_prepare_cc_branch (dc, offset, cond); |
1041 |
return 2; |
1042 |
} |
1043 |
static unsigned int dec_addoq(DisasContext *dc) |
1044 |
{ |
1045 |
uint32_t imm; |
1046 |
|
1047 |
dc->op1 = EXTRACT_FIELD(dc->ir, 0, 7); |
1048 |
imm = sign_extend(dc->op1, 7);
|
1049 |
|
1050 |
DIS(fprintf (logfile, "addoq %d, $r%u\n", imm, dc->op2));
|
1051 |
cris_cc_mask(dc, 0);
|
1052 |
/* Fetch register operand, */
|
1053 |
t_gen_mov_TN_reg(cpu_T[0], dc->op2);
|
1054 |
tcg_gen_movi_tl(cpu_T[1], imm);
|
1055 |
crisv32_alu_op(dc, CC_OP_ADD, R_ACR, 4);
|
1056 |
return 2; |
1057 |
} |
1058 |
static unsigned int dec_addq(DisasContext *dc) |
1059 |
{ |
1060 |
DIS(fprintf (logfile, "addq %u, $r%u\n", dc->op1, dc->op2));
|
1061 |
|
1062 |
dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5); |
1063 |
|
1064 |
cris_cc_mask(dc, CC_MASK_NZVC); |
1065 |
/* Fetch register operand, */
|
1066 |
t_gen_mov_TN_reg(cpu_T[0], dc->op2);
|
1067 |
tcg_gen_movi_tl(cpu_T[1], dc->op1);
|
1068 |
crisv32_alu_op(dc, CC_OP_ADD, dc->op2, 4);
|
1069 |
return 2; |
1070 |
} |
1071 |
static unsigned int dec_moveq(DisasContext *dc) |
1072 |
{ |
1073 |
uint32_t imm; |
1074 |
|
1075 |
dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5); |
1076 |
imm = sign_extend(dc->op1, 5);
|
1077 |
DIS(fprintf (logfile, "moveq %d, $r%u\n", imm, dc->op2));
|
1078 |
|
1079 |
t_gen_mov_reg_TN(dc->op2, tcg_const_tl(imm)); |
1080 |
return 2; |
1081 |
} |
1082 |
static unsigned int dec_subq(DisasContext *dc) |
1083 |
{ |
1084 |
dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5); |
1085 |
|
1086 |
DIS(fprintf (logfile, "subq %u, $r%u\n", dc->op1, dc->op2));
|
1087 |
|
1088 |
cris_cc_mask(dc, CC_MASK_NZVC); |
1089 |
/* Fetch register operand, */
|
1090 |
t_gen_mov_TN_reg(cpu_T[0], dc->op2);
|
1091 |
t_gen_mov_TN_im(cpu_T[1], dc->op1);
|
1092 |
crisv32_alu_op(dc, CC_OP_SUB, dc->op2, 4);
|
1093 |
return 2; |
1094 |
} |
1095 |
static unsigned int dec_cmpq(DisasContext *dc) |
1096 |
{ |
1097 |
uint32_t imm; |
1098 |
dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5); |
1099 |
imm = sign_extend(dc->op1, 5);
|
1100 |
|
1101 |
DIS(fprintf (logfile, "cmpq %d, $r%d\n", imm, dc->op2));
|
1102 |
cris_cc_mask(dc, CC_MASK_NZVC); |
1103 |
t_gen_mov_TN_reg(cpu_T[0], dc->op2);
|
1104 |
t_gen_mov_TN_im(cpu_T[1], imm);
|
1105 |
crisv32_alu_op(dc, CC_OP_CMP, dc->op2, 4);
|
1106 |
return 2; |
1107 |
} |
1108 |
static unsigned int dec_andq(DisasContext *dc) |
1109 |
{ |
1110 |
uint32_t imm; |
1111 |
dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5); |
1112 |
imm = sign_extend(dc->op1, 5);
|
1113 |
|
1114 |
DIS(fprintf (logfile, "andq %d, $r%d\n", imm, dc->op2));
|
1115 |
cris_cc_mask(dc, CC_MASK_NZ); |
1116 |
t_gen_mov_TN_reg(cpu_T[0], dc->op2);
|
1117 |
t_gen_mov_TN_im(cpu_T[1], imm);
|
1118 |
crisv32_alu_op(dc, CC_OP_AND, dc->op2, 4);
|
1119 |
return 2; |
1120 |
} |
1121 |
static unsigned int dec_orq(DisasContext *dc) |
1122 |
{ |
1123 |
uint32_t imm; |
1124 |
dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5); |
1125 |
imm = sign_extend(dc->op1, 5);
|
1126 |
DIS(fprintf (logfile, "orq %d, $r%d\n", imm, dc->op2));
|
1127 |
cris_cc_mask(dc, CC_MASK_NZ); |
1128 |
t_gen_mov_TN_reg(cpu_T[0], dc->op2);
|
1129 |
t_gen_mov_TN_im(cpu_T[1], imm);
|
1130 |
crisv32_alu_op(dc, CC_OP_OR, dc->op2, 4);
|
1131 |
return 2; |
1132 |
} |
1133 |
static unsigned int dec_btstq(DisasContext *dc) |
1134 |
{ |
1135 |
dc->op1 = EXTRACT_FIELD(dc->ir, 0, 4); |
1136 |
DIS(fprintf (logfile, "btstq %u, $r%d\n", dc->op1, dc->op2));
|
1137 |
cris_cc_mask(dc, CC_MASK_NZ); |
1138 |
t_gen_mov_TN_reg(cpu_T[0], dc->op2);
|
1139 |
t_gen_mov_TN_im(cpu_T[1], dc->op1);
|
1140 |
crisv32_alu_op(dc, CC_OP_BTST, dc->op2, 4);
|
1141 |
|
1142 |
cris_update_cc_op(dc, CC_OP_FLAGS); |
1143 |
t_gen_mov_preg_TN(PR_CCS, cpu_T[0]);
|
1144 |
dc->flags_live = 1;
|
1145 |
return 2; |
1146 |
} |
1147 |
static unsigned int dec_asrq(DisasContext *dc) |
1148 |
{ |
1149 |
dc->op1 = EXTRACT_FIELD(dc->ir, 0, 4); |
1150 |
DIS(fprintf (logfile, "asrq %u, $r%d\n", dc->op1, dc->op2));
|
1151 |
cris_cc_mask(dc, CC_MASK_NZ); |
1152 |
t_gen_mov_TN_reg(cpu_T[0], dc->op2);
|
1153 |
t_gen_mov_TN_im(cpu_T[1], dc->op1);
|
1154 |
crisv32_alu_op(dc, CC_OP_ASR, dc->op2, 4);
|
1155 |
return 2; |
1156 |
} |
1157 |
static unsigned int dec_lslq(DisasContext *dc) |
1158 |
{ |
1159 |
dc->op1 = EXTRACT_FIELD(dc->ir, 0, 4); |
1160 |
DIS(fprintf (logfile, "lslq %u, $r%d\n", dc->op1, dc->op2));
|
1161 |
|
1162 |
cris_cc_mask(dc, CC_MASK_NZ); |
1163 |
t_gen_mov_TN_reg(cpu_T[0], dc->op2);
|
1164 |
t_gen_mov_TN_im(cpu_T[1], dc->op1);
|
1165 |
crisv32_alu_op(dc, CC_OP_LSL, dc->op2, 4);
|
1166 |
return 2; |
1167 |
} |
1168 |
static unsigned int dec_lsrq(DisasContext *dc) |
1169 |
{ |
1170 |
dc->op1 = EXTRACT_FIELD(dc->ir, 0, 4); |
1171 |
DIS(fprintf (logfile, "lsrq %u, $r%d\n", dc->op1, dc->op2));
|
1172 |
|
1173 |
cris_cc_mask(dc, CC_MASK_NZ); |
1174 |
t_gen_mov_TN_reg(cpu_T[0], dc->op2);
|
1175 |
t_gen_mov_TN_im(cpu_T[1], dc->op1);
|
1176 |
crisv32_alu_op(dc, CC_OP_LSR, dc->op2, 4);
|
1177 |
return 2; |
1178 |
} |
1179 |
|
1180 |
static unsigned int dec_move_r(DisasContext *dc) |
1181 |
{ |
1182 |
int size = memsize_zz(dc);
|
1183 |
|
1184 |
DIS(fprintf (logfile, "move.%c $r%u, $r%u\n",
|
1185 |
memsize_char(size), dc->op1, dc->op2)); |
1186 |
|
1187 |
cris_cc_mask(dc, CC_MASK_NZ); |
1188 |
dec_prep_move_r(dc, dc->op1, dc->op2, size, 0);
|
1189 |
crisv32_alu_op(dc, CC_OP_MOVE, dc->op2, size); |
1190 |
return 2; |
1191 |
} |
1192 |
|
1193 |
static unsigned int dec_scc_r(DisasContext *dc) |
1194 |
{ |
1195 |
int cond = dc->op2;
|
1196 |
|
1197 |
DIS(fprintf (logfile, "s%s $r%u\n",
|
1198 |
cc_name(cond), dc->op1)); |
1199 |
|
1200 |
if (cond != CC_A)
|
1201 |
{ |
1202 |
gen_tst_cc (dc, cond); |
1203 |
tcg_gen_mov_tl(cpu_T[1], cpu_T[0]); |
1204 |
} |
1205 |
else
|
1206 |
tcg_gen_movi_tl(cpu_T[1], 1); |
1207 |
|
1208 |
cris_cc_mask(dc, 0);
|
1209 |
crisv32_alu_op(dc, CC_OP_MOVE, dc->op1, 4);
|
1210 |
return 2; |
1211 |
} |
1212 |
|
1213 |
static unsigned int dec_and_r(DisasContext *dc) |
1214 |
{ |
1215 |
int size = memsize_zz(dc);
|
1216 |
|
1217 |
DIS(fprintf (logfile, "and.%c $r%u, $r%u\n",
|
1218 |
memsize_char(size), dc->op1, dc->op2)); |
1219 |
cris_cc_mask(dc, CC_MASK_NZ); |
1220 |
dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0);
|
1221 |
crisv32_alu_op(dc, CC_OP_AND, dc->op2, size); |
1222 |
return 2; |
1223 |
} |
1224 |
|
1225 |
static unsigned int dec_lz_r(DisasContext *dc) |
1226 |
{ |
1227 |
DIS(fprintf (logfile, "lz $r%u, $r%u\n",
|
1228 |
dc->op1, dc->op2)); |
1229 |
cris_cc_mask(dc, CC_MASK_NZ); |
1230 |
dec_prep_alu_r(dc, dc->op1, dc->op2, 4, 0); |
1231 |
crisv32_alu_op(dc, CC_OP_LZ, dc->op2, 4);
|
1232 |
return 2; |
1233 |
} |
1234 |
|
1235 |
static unsigned int dec_lsl_r(DisasContext *dc) |
1236 |
{ |
1237 |
int size = memsize_zz(dc);
|
1238 |
|
1239 |
DIS(fprintf (logfile, "lsl.%c $r%u, $r%u\n",
|
1240 |
memsize_char(size), dc->op1, dc->op2)); |
1241 |
cris_cc_mask(dc, CC_MASK_NZ); |
1242 |
dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0);
|
1243 |
tcg_gen_andi_tl(cpu_T[1], cpu_T[1], 63); |
1244 |
crisv32_alu_op(dc, CC_OP_LSL, dc->op2, size); |
1245 |
return 2; |
1246 |
} |
1247 |
|
1248 |
static unsigned int dec_lsr_r(DisasContext *dc) |
1249 |
{ |
1250 |
int size = memsize_zz(dc);
|
1251 |
|
1252 |
DIS(fprintf (logfile, "lsr.%c $r%u, $r%u\n",
|
1253 |
memsize_char(size), dc->op1, dc->op2)); |
1254 |
cris_cc_mask(dc, CC_MASK_NZ); |
1255 |
dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0);
|
1256 |
tcg_gen_andi_tl(cpu_T[1], cpu_T[1], 63); |
1257 |
crisv32_alu_op(dc, CC_OP_LSR, dc->op2, size); |
1258 |
return 2; |
1259 |
} |
1260 |
|
1261 |
static unsigned int dec_asr_r(DisasContext *dc) |
1262 |
{ |
1263 |
int size = memsize_zz(dc);
|
1264 |
|
1265 |
DIS(fprintf (logfile, "asr.%c $r%u, $r%u\n",
|
1266 |
memsize_char(size), dc->op1, dc->op2)); |
1267 |
cris_cc_mask(dc, CC_MASK_NZ); |
1268 |
dec_prep_alu_r(dc, dc->op1, dc->op2, size, 1);
|
1269 |
tcg_gen_andi_tl(cpu_T[1], cpu_T[1], 63); |
1270 |
crisv32_alu_op(dc, CC_OP_ASR, dc->op2, size); |
1271 |
return 2; |
1272 |
} |
1273 |
|
1274 |
static unsigned int dec_muls_r(DisasContext *dc) |
1275 |
{ |
1276 |
int size = memsize_zz(dc);
|
1277 |
|
1278 |
DIS(fprintf (logfile, "muls.%c $r%u, $r%u\n",
|
1279 |
memsize_char(size), dc->op1, dc->op2)); |
1280 |
cris_cc_mask(dc, CC_MASK_NZV); |
1281 |
dec_prep_alu_r(dc, dc->op1, dc->op2, size, 1);
|
1282 |
t_gen_sext(cpu_T[0], cpu_T[0], size); |
1283 |
crisv32_alu_op(dc, CC_OP_MULS, dc->op2, 4);
|
1284 |
return 2; |
1285 |
} |
1286 |
|
1287 |
static unsigned int dec_mulu_r(DisasContext *dc) |
1288 |
{ |
1289 |
int size = memsize_zz(dc);
|
1290 |
|
1291 |
DIS(fprintf (logfile, "mulu.%c $r%u, $r%u\n",
|
1292 |
memsize_char(size), dc->op1, dc->op2)); |
1293 |
cris_cc_mask(dc, CC_MASK_NZV); |
1294 |
dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0);
|
1295 |
t_gen_zext(cpu_T[0], cpu_T[0], size); |
1296 |
crisv32_alu_op(dc, CC_OP_MULU, dc->op2, 4);
|
1297 |
return 2; |
1298 |
} |
1299 |
|
1300 |
|
1301 |
static unsigned int dec_dstep_r(DisasContext *dc) |
1302 |
{ |
1303 |
DIS(fprintf (logfile, "dstep $r%u, $r%u\n", dc->op1, dc->op2));
|
1304 |
cris_cc_mask(dc, CC_MASK_NZ); |
1305 |
t_gen_mov_TN_reg(cpu_T[1], dc->op1);
|
1306 |
t_gen_mov_TN_reg(cpu_T[0], dc->op2);
|
1307 |
crisv32_alu_op(dc, CC_OP_DSTEP, dc->op2, 4);
|
1308 |
return 2; |
1309 |
} |
1310 |
|
1311 |
static unsigned int dec_xor_r(DisasContext *dc) |
1312 |
{ |
1313 |
int size = memsize_zz(dc);
|
1314 |
DIS(fprintf (logfile, "xor.%c $r%u, $r%u\n",
|
1315 |
memsize_char(size), dc->op1, dc->op2)); |
1316 |
BUG_ON(size != 4); /* xor is dword. */ |
1317 |
cris_cc_mask(dc, CC_MASK_NZ); |
1318 |
dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0);
|
1319 |
crisv32_alu_op(dc, CC_OP_XOR, dc->op2, 4);
|
1320 |
return 2; |
1321 |
} |
1322 |
|
1323 |
static unsigned int dec_bound_r(DisasContext *dc) |
1324 |
{ |
1325 |
int size = memsize_zz(dc);
|
1326 |
DIS(fprintf (logfile, "bound.%c $r%u, $r%u\n",
|
1327 |
memsize_char(size), dc->op1, dc->op2)); |
1328 |
cris_cc_mask(dc, CC_MASK_NZ); |
1329 |
/* TODO: needs optmimization. */
|
1330 |
dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0);
|
1331 |
/* rd should be 4. */
|
1332 |
t_gen_mov_TN_reg(cpu_T[0], dc->op2);
|
1333 |
crisv32_alu_op(dc, CC_OP_BOUND, dc->op2, 4);
|
1334 |
return 2; |
1335 |
} |
1336 |
|
1337 |
static unsigned int dec_cmp_r(DisasContext *dc) |
1338 |
{ |
1339 |
int size = memsize_zz(dc);
|
1340 |
DIS(fprintf (logfile, "cmp.%c $r%u, $r%u\n",
|
1341 |
memsize_char(size), dc->op1, dc->op2)); |
1342 |
cris_cc_mask(dc, CC_MASK_NZVC); |
1343 |
dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0);
|
1344 |
crisv32_alu_op(dc, CC_OP_CMP, dc->op2, size); |
1345 |
return 2; |
1346 |
} |
1347 |
|
1348 |
static unsigned int dec_abs_r(DisasContext *dc) |
1349 |
{ |
1350 |
int l1;
|
1351 |
|
1352 |
DIS(fprintf (logfile, "abs $r%u, $r%u\n",
|
1353 |
dc->op1, dc->op2)); |
1354 |
cris_cc_mask(dc, CC_MASK_NZ); |
1355 |
dec_prep_move_r(dc, dc->op1, dc->op2, 4, 0); |
1356 |
|
1357 |
/* TODO: consider a branch free approach. */
|
1358 |
l1 = gen_new_label(); |
1359 |
tcg_gen_brcond_tl(TCG_COND_GE, cpu_T[1], tcg_const_tl(0), l1); |
1360 |
tcg_gen_sub_tl(cpu_T[1], tcg_const_tl(0), cpu_T[1]); |
1361 |
gen_set_label(l1); |
1362 |
crisv32_alu_op(dc, CC_OP_MOVE, dc->op2, 4);
|
1363 |
return 2; |
1364 |
} |
1365 |
|
1366 |
static unsigned int dec_add_r(DisasContext *dc) |
1367 |
{ |
1368 |
int size = memsize_zz(dc);
|
1369 |
DIS(fprintf (logfile, "add.%c $r%u, $r%u\n",
|
1370 |
memsize_char(size), dc->op1, dc->op2)); |
1371 |
cris_cc_mask(dc, CC_MASK_NZVC); |
1372 |
dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0);
|
1373 |
crisv32_alu_op(dc, CC_OP_ADD, dc->op2, size); |
1374 |
return 2; |
1375 |
} |
1376 |
|
1377 |
static unsigned int dec_addc_r(DisasContext *dc) |
1378 |
{ |
1379 |
DIS(fprintf (logfile, "addc $r%u, $r%u\n",
|
1380 |
dc->op1, dc->op2)); |
1381 |
cris_evaluate_flags(dc); |
1382 |
cris_cc_mask(dc, CC_MASK_NZVC); |
1383 |
dec_prep_alu_r(dc, dc->op1, dc->op2, 4, 0); |
1384 |
crisv32_alu_op(dc, CC_OP_ADDC, dc->op2, 4);
|
1385 |
return 2; |
1386 |
} |
1387 |
|
1388 |
static unsigned int dec_mcp_r(DisasContext *dc) |
1389 |
{ |
1390 |
DIS(fprintf (logfile, "mcp $p%u, $r%u\n",
|
1391 |
dc->op2, dc->op1)); |
1392 |
cris_evaluate_flags(dc); |
1393 |
cris_cc_mask(dc, CC_MASK_RNZV); |
1394 |
t_gen_mov_TN_reg(cpu_T[0], dc->op1);
|
1395 |
t_gen_mov_TN_preg(cpu_T[1], dc->op2);
|
1396 |
crisv32_alu_op(dc, CC_OP_MCP, dc->op1, 4);
|
1397 |
return 2; |
1398 |
} |
1399 |
|
1400 |
#if DISAS_CRIS
|
1401 |
static char * swapmode_name(int mode, char *modename) { |
1402 |
int i = 0; |
1403 |
if (mode & 8) |
1404 |
modename[i++] = 'n';
|
1405 |
if (mode & 4) |
1406 |
modename[i++] = 'w';
|
1407 |
if (mode & 2) |
1408 |
modename[i++] = 'b';
|
1409 |
if (mode & 1) |
1410 |
modename[i++] = 'r';
|
1411 |
modename[i++] = 0;
|
1412 |
return modename;
|
1413 |
} |
1414 |
#endif
|
1415 |
|
1416 |
static unsigned int dec_swap_r(DisasContext *dc) |
1417 |
{ |
1418 |
DIS(char modename[4]); |
1419 |
DIS(fprintf (logfile, "swap%s $r%u\n",
|
1420 |
swapmode_name(dc->op2, modename), dc->op1)); |
1421 |
|
1422 |
cris_cc_mask(dc, CC_MASK_NZ); |
1423 |
t_gen_mov_TN_reg(cpu_T[0], dc->op1);
|
1424 |
if (dc->op2 & 8) |
1425 |
tcg_gen_xori_tl(cpu_T[0], cpu_T[0], -1); |
1426 |
if (dc->op2 & 4) |
1427 |
t_gen_swapw(cpu_T[0], cpu_T[0]); |
1428 |
if (dc->op2 & 2) |
1429 |
t_gen_swapb(cpu_T[0], cpu_T[0]); |
1430 |
if (dc->op2 & 1) |
1431 |
t_gen_swapr(cpu_T[0], cpu_T[0]); |
1432 |
tcg_gen_mov_tl(cpu_T[1], cpu_T[0]); |
1433 |
crisv32_alu_op(dc, CC_OP_MOVE, dc->op1, 4);
|
1434 |
return 2; |
1435 |
} |
1436 |
|
1437 |
static unsigned int dec_or_r(DisasContext *dc) |
1438 |
{ |
1439 |
int size = memsize_zz(dc);
|
1440 |
DIS(fprintf (logfile, "or.%c $r%u, $r%u\n",
|
1441 |
memsize_char(size), dc->op1, dc->op2)); |
1442 |
cris_cc_mask(dc, CC_MASK_NZ); |
1443 |
dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0);
|
1444 |
crisv32_alu_op(dc, CC_OP_OR, dc->op2, size); |
1445 |
return 2; |
1446 |
} |
1447 |
|
1448 |
static unsigned int dec_addi_r(DisasContext *dc) |
1449 |
{ |
1450 |
DIS(fprintf (logfile, "addi.%c $r%u, $r%u\n",
|
1451 |
memsize_char(memsize_zz(dc)), dc->op2, dc->op1)); |
1452 |
cris_cc_mask(dc, 0);
|
1453 |
dec_prep_alu_r(dc, dc->op1, dc->op2, 4, 0); |
1454 |
t_gen_lsl(cpu_T[0], cpu_T[0], tcg_const_tl(dc->zzsize)); |
1455 |
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1456 |
t_gen_mov_reg_TN(dc->op1, cpu_T[0]);
|
1457 |
return 2; |
1458 |
} |
1459 |
|
1460 |
static unsigned int dec_addi_acr(DisasContext *dc) |
1461 |
{ |
1462 |
DIS(fprintf (logfile, "addi.%c $r%u, $r%u, $acr\n",
|
1463 |
memsize_char(memsize_zz(dc)), dc->op2, dc->op1)); |
1464 |
cris_cc_mask(dc, 0);
|
1465 |
dec_prep_alu_r(dc, dc->op1, dc->op2, 4, 0); |
1466 |
t_gen_lsl(cpu_T[0], cpu_T[0], tcg_const_tl(dc->zzsize)); |
1467 |
|
1468 |
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1469 |
t_gen_mov_reg_TN(R_ACR, cpu_T[0]);
|
1470 |
return 2; |
1471 |
} |
1472 |
|
1473 |
static unsigned int dec_neg_r(DisasContext *dc) |
1474 |
{ |
1475 |
int size = memsize_zz(dc);
|
1476 |
DIS(fprintf (logfile, "neg.%c $r%u, $r%u\n",
|
1477 |
memsize_char(size), dc->op1, dc->op2)); |
1478 |
cris_cc_mask(dc, CC_MASK_NZVC); |
1479 |
dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0);
|
1480 |
crisv32_alu_op(dc, CC_OP_NEG, dc->op2, size); |
1481 |
return 2; |
1482 |
} |
1483 |
|
1484 |
static unsigned int dec_btst_r(DisasContext *dc) |
1485 |
{ |
1486 |
DIS(fprintf (logfile, "btst $r%u, $r%u\n",
|
1487 |
dc->op1, dc->op2)); |
1488 |
cris_cc_mask(dc, CC_MASK_NZ); |
1489 |
dec_prep_alu_r(dc, dc->op1, dc->op2, 4, 0); |
1490 |
crisv32_alu_op(dc, CC_OP_BTST, dc->op2, 4);
|
1491 |
|
1492 |
cris_update_cc_op(dc, CC_OP_FLAGS); |
1493 |
t_gen_mov_preg_TN(PR_CCS, cpu_T[0]);
|
1494 |
dc->flags_live = 1;
|
1495 |
return 2; |
1496 |
} |
1497 |
|
1498 |
static unsigned int dec_sub_r(DisasContext *dc) |
1499 |
{ |
1500 |
int size = memsize_zz(dc);
|
1501 |
DIS(fprintf (logfile, "sub.%c $r%u, $r%u\n",
|
1502 |
memsize_char(size), dc->op1, dc->op2)); |
1503 |
cris_cc_mask(dc, CC_MASK_NZVC); |
1504 |
dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0);
|
1505 |
crisv32_alu_op(dc, CC_OP_SUB, dc->op2, size); |
1506 |
return 2; |
1507 |
} |
1508 |
|
1509 |
/* Zero extension. From size to dword. */
|
1510 |
static unsigned int dec_movu_r(DisasContext *dc) |
1511 |
{ |
1512 |
int size = memsize_z(dc);
|
1513 |
DIS(fprintf (logfile, "movu.%c $r%u, $r%u\n",
|
1514 |
memsize_char(size), |
1515 |
dc->op1, dc->op2)); |
1516 |
|
1517 |
cris_cc_mask(dc, CC_MASK_NZ); |
1518 |
dec_prep_move_r(dc, dc->op1, dc->op2, size, 0);
|
1519 |
crisv32_alu_op(dc, CC_OP_MOVE, dc->op2, 4);
|
1520 |
return 2; |
1521 |
} |
1522 |
|
1523 |
/* Sign extension. From size to dword. */
|
1524 |
static unsigned int dec_movs_r(DisasContext *dc) |
1525 |
{ |
1526 |
int size = memsize_z(dc);
|
1527 |
DIS(fprintf (logfile, "movs.%c $r%u, $r%u\n",
|
1528 |
memsize_char(size), |
1529 |
dc->op1, dc->op2)); |
1530 |
|
1531 |
cris_cc_mask(dc, CC_MASK_NZ); |
1532 |
t_gen_mov_TN_reg(cpu_T[0], dc->op1);
|
1533 |
/* Size can only be qi or hi. */
|
1534 |
t_gen_sext(cpu_T[1], cpu_T[0], size); |
1535 |
crisv32_alu_op(dc, CC_OP_MOVE, dc->op2, 4);
|
1536 |
return 2; |
1537 |
} |
1538 |
|
1539 |
/* zero extension. From size to dword. */
|
1540 |
static unsigned int dec_addu_r(DisasContext *dc) |
1541 |
{ |
1542 |
int size = memsize_z(dc);
|
1543 |
DIS(fprintf (logfile, "addu.%c $r%u, $r%u\n",
|
1544 |
memsize_char(size), |
1545 |
dc->op1, dc->op2)); |
1546 |
|
1547 |
cris_cc_mask(dc, CC_MASK_NZVC); |
1548 |
t_gen_mov_TN_reg(cpu_T[1], dc->op1);
|
1549 |
/* Size can only be qi or hi. */
|
1550 |
t_gen_zext(cpu_T[1], cpu_T[1], size); |
1551 |
t_gen_mov_TN_reg(cpu_T[0], dc->op2);
|
1552 |
crisv32_alu_op(dc, CC_OP_ADD, dc->op2, 4);
|
1553 |
return 2; |
1554 |
} |
1555 |
|
1556 |
/* Sign extension. From size to dword. */
|
1557 |
static unsigned int dec_adds_r(DisasContext *dc) |
1558 |
{ |
1559 |
int size = memsize_z(dc);
|
1560 |
DIS(fprintf (logfile, "adds.%c $r%u, $r%u\n",
|
1561 |
memsize_char(size), |
1562 |
dc->op1, dc->op2)); |
1563 |
|
1564 |
cris_cc_mask(dc, CC_MASK_NZVC); |
1565 |
t_gen_mov_TN_reg(cpu_T[1], dc->op1);
|
1566 |
/* Size can only be qi or hi. */
|
1567 |
t_gen_sext(cpu_T[1], cpu_T[1], size); |
1568 |
t_gen_mov_TN_reg(cpu_T[0], dc->op2);
|
1569 |
|
1570 |
crisv32_alu_op(dc, CC_OP_ADD, dc->op2, 4);
|
1571 |
return 2; |
1572 |
} |
1573 |
|
1574 |
/* Zero extension. From size to dword. */
|
1575 |
static unsigned int dec_subu_r(DisasContext *dc) |
1576 |
{ |
1577 |
int size = memsize_z(dc);
|
1578 |
DIS(fprintf (logfile, "subu.%c $r%u, $r%u\n",
|
1579 |
memsize_char(size), |
1580 |
dc->op1, dc->op2)); |
1581 |
|
1582 |
cris_cc_mask(dc, CC_MASK_NZVC); |
1583 |
t_gen_mov_TN_reg(cpu_T[1], dc->op1);
|
1584 |
/* Size can only be qi or hi. */
|
1585 |
t_gen_zext(cpu_T[1], cpu_T[1], size); |
1586 |
t_gen_mov_TN_reg(cpu_T[0], dc->op2);
|
1587 |
crisv32_alu_op(dc, CC_OP_SUB, dc->op2, 4);
|
1588 |
return 2; |
1589 |
} |
1590 |
|
1591 |
/* Sign extension. From size to dword. */
|
1592 |
static unsigned int dec_subs_r(DisasContext *dc) |
1593 |
{ |
1594 |
int size = memsize_z(dc);
|
1595 |
DIS(fprintf (logfile, "subs.%c $r%u, $r%u\n",
|
1596 |
memsize_char(size), |
1597 |
dc->op1, dc->op2)); |
1598 |
|
1599 |
cris_cc_mask(dc, CC_MASK_NZVC); |
1600 |
t_gen_mov_TN_reg(cpu_T[1], dc->op1);
|
1601 |
/* Size can only be qi or hi. */
|
1602 |
t_gen_sext(cpu_T[1], cpu_T[1], size); |
1603 |
t_gen_mov_TN_reg(cpu_T[0], dc->op2);
|
1604 |
crisv32_alu_op(dc, CC_OP_SUB, dc->op2, 4);
|
1605 |
return 2; |
1606 |
} |
1607 |
|
1608 |
static unsigned int dec_setclrf(DisasContext *dc) |
1609 |
{ |
1610 |
uint32_t flags; |
1611 |
int set = (~dc->opcode >> 2) & 1; |
1612 |
|
1613 |
flags = (EXTRACT_FIELD(dc->ir, 12, 15) << 4) |
1614 |
| EXTRACT_FIELD(dc->ir, 0, 3); |
1615 |
DIS(fprintf (logfile, "set=%d flags=%x\n", set, flags));
|
1616 |
if (set && flags == 0) |
1617 |
DIS(fprintf (logfile, "nop\n"));
|
1618 |
else if (!set && (flags & 0x20)) |
1619 |
DIS(fprintf (logfile, "di\n"));
|
1620 |
else
|
1621 |
DIS(fprintf (logfile, "%sf %x\n",
|
1622 |
set ? "set" : "clr", |
1623 |
flags)); |
1624 |
|
1625 |
if (set && (flags & X_FLAG)) {
|
1626 |
dc->flagx_live = 1;
|
1627 |
dc->flags_x = 1;
|
1628 |
} |
1629 |
|
1630 |
/* Simply decode the flags. */
|
1631 |
cris_evaluate_flags (dc); |
1632 |
cris_update_cc_op(dc, CC_OP_FLAGS); |
1633 |
if (set)
|
1634 |
gen_op_setf(flags); |
1635 |
else
|
1636 |
gen_op_clrf(flags); |
1637 |
dc->flags_live = 1;
|
1638 |
return 2; |
1639 |
} |
1640 |
|
1641 |
static unsigned int dec_move_rs(DisasContext *dc) |
1642 |
{ |
1643 |
DIS(fprintf (logfile, "move $r%u, $s%u\n", dc->op1, dc->op2));
|
1644 |
cris_cc_mask(dc, 0);
|
1645 |
t_gen_mov_TN_reg(cpu_T[0], dc->op1);
|
1646 |
gen_op_movl_sreg_T0(dc->op2); |
1647 |
|
1648 |
#if !defined(CONFIG_USER_ONLY)
|
1649 |
if (dc->op2 == 6) |
1650 |
gen_op_movl_tlb_hi_T0(); |
1651 |
else if (dc->op2 == 5) { /* srs is checked at runtime. */ |
1652 |
tcg_gen_helper_0_1(helper_tlb_update, cpu_T[0]);
|
1653 |
gen_op_movl_tlb_lo_T0(); |
1654 |
} |
1655 |
#endif
|
1656 |
return 2; |
1657 |
} |
1658 |
static unsigned int dec_move_sr(DisasContext *dc) |
1659 |
{ |
1660 |
DIS(fprintf (logfile, "move $s%u, $r%u\n", dc->op2, dc->op1));
|
1661 |
cris_cc_mask(dc, 0);
|
1662 |
gen_op_movl_T0_sreg(dc->op2); |
1663 |
tcg_gen_mov_tl(cpu_T[1], cpu_T[0]); |
1664 |
crisv32_alu_op(dc, CC_OP_MOVE, dc->op1, 4);
|
1665 |
return 2; |
1666 |
} |
1667 |
static unsigned int dec_move_rp(DisasContext *dc) |
1668 |
{ |
1669 |
DIS(fprintf (logfile, "move $r%u, $p%u\n", dc->op1, dc->op2));
|
1670 |
cris_cc_mask(dc, 0);
|
1671 |
t_gen_mov_TN_reg(cpu_T[0], dc->op1);
|
1672 |
t_gen_mov_preg_TN(dc->op2, cpu_T[0]);
|
1673 |
return 2; |
1674 |
} |
1675 |
static unsigned int dec_move_pr(DisasContext *dc) |
1676 |
{ |
1677 |
DIS(fprintf (logfile, "move $p%u, $r%u\n", dc->op1, dc->op2));
|
1678 |
cris_cc_mask(dc, 0);
|
1679 |
/* Support register 0 is hardwired to zero.
|
1680 |
Treat it specially. */
|
1681 |
if (dc->op2 == 0) |
1682 |
tcg_gen_movi_tl(cpu_T[1], 0); |
1683 |
else
|
1684 |
t_gen_mov_TN_preg(cpu_T[1], dc->op2);
|
1685 |
crisv32_alu_op(dc, CC_OP_MOVE, dc->op1, preg_sizes[dc->op2]); |
1686 |
return 2; |
1687 |
} |
1688 |
|
1689 |
static unsigned int dec_move_mr(DisasContext *dc) |
1690 |
{ |
1691 |
int memsize = memsize_zz(dc);
|
1692 |
int insn_len;
|
1693 |
DIS(fprintf (logfile, "move.%c [$r%u%s, $r%u\n",
|
1694 |
memsize_char(memsize), |
1695 |
dc->op1, dc->postinc ? "+]" : "]", |
1696 |
dc->op2)); |
1697 |
|
1698 |
cris_cc_mask(dc, CC_MASK_NZ); |
1699 |
insn_len = dec_prep_alu_m(dc, 0, memsize);
|
1700 |
crisv32_alu_op(dc, CC_OP_MOVE, dc->op2, memsize); |
1701 |
do_postinc(dc, memsize); |
1702 |
return insn_len;
|
1703 |
} |
1704 |
|
1705 |
static unsigned int dec_movs_m(DisasContext *dc) |
1706 |
{ |
1707 |
int memsize = memsize_z(dc);
|
1708 |
int insn_len;
|
1709 |
DIS(fprintf (logfile, "movs.%c [$r%u%s, $r%u\n",
|
1710 |
memsize_char(memsize), |
1711 |
dc->op1, dc->postinc ? "+]" : "]", |
1712 |
dc->op2)); |
1713 |
|
1714 |
/* sign extend. */
|
1715 |
cris_cc_mask(dc, CC_MASK_NZ); |
1716 |
insn_len = dec_prep_alu_m(dc, 1, memsize);
|
1717 |
crisv32_alu_op(dc, CC_OP_MOVE, dc->op2, 4);
|
1718 |
do_postinc(dc, memsize); |
1719 |
return insn_len;
|
1720 |
} |
1721 |
|
1722 |
static unsigned int dec_addu_m(DisasContext *dc) |
1723 |
{ |
1724 |
int memsize = memsize_z(dc);
|
1725 |
int insn_len;
|
1726 |
DIS(fprintf (logfile, "addu.%c [$r%u%s, $r%u\n",
|
1727 |
memsize_char(memsize), |
1728 |
dc->op1, dc->postinc ? "+]" : "]", |
1729 |
dc->op2)); |
1730 |
|
1731 |
/* sign extend. */
|
1732 |
cris_cc_mask(dc, CC_MASK_NZVC); |
1733 |
insn_len = dec_prep_alu_m(dc, 0, memsize);
|
1734 |
crisv32_alu_op(dc, CC_OP_ADD, dc->op2, 4);
|
1735 |
do_postinc(dc, memsize); |
1736 |
return insn_len;
|
1737 |
} |
1738 |
|
1739 |
static unsigned int dec_adds_m(DisasContext *dc) |
1740 |
{ |
1741 |
int memsize = memsize_z(dc);
|
1742 |
int insn_len;
|
1743 |
DIS(fprintf (logfile, "adds.%c [$r%u%s, $r%u\n",
|
1744 |
memsize_char(memsize), |
1745 |
dc->op1, dc->postinc ? "+]" : "]", |
1746 |
dc->op2)); |
1747 |
|
1748 |
/* sign extend. */
|
1749 |
cris_cc_mask(dc, CC_MASK_NZVC); |
1750 |
insn_len = dec_prep_alu_m(dc, 1, memsize);
|
1751 |
crisv32_alu_op(dc, CC_OP_ADD, dc->op2, 4);
|
1752 |
do_postinc(dc, memsize); |
1753 |
return insn_len;
|
1754 |
} |
1755 |
|
1756 |
static unsigned int dec_subu_m(DisasContext *dc) |
1757 |
{ |
1758 |
int memsize = memsize_z(dc);
|
1759 |
int insn_len;
|
1760 |
DIS(fprintf (logfile, "subu.%c [$r%u%s, $r%u\n",
|
1761 |
memsize_char(memsize), |
1762 |
dc->op1, dc->postinc ? "+]" : "]", |
1763 |
dc->op2)); |
1764 |
|
1765 |
/* sign extend. */
|
1766 |
cris_cc_mask(dc, CC_MASK_NZVC); |
1767 |
insn_len = dec_prep_alu_m(dc, 0, memsize);
|
1768 |
crisv32_alu_op(dc, CC_OP_SUB, dc->op2, 4);
|
1769 |
do_postinc(dc, memsize); |
1770 |
return insn_len;
|
1771 |
} |
1772 |
|
1773 |
static unsigned int dec_subs_m(DisasContext *dc) |
1774 |
{ |
1775 |
int memsize = memsize_z(dc);
|
1776 |
int insn_len;
|
1777 |
DIS(fprintf (logfile, "subs.%c [$r%u%s, $r%u\n",
|
1778 |
memsize_char(memsize), |
1779 |
dc->op1, dc->postinc ? "+]" : "]", |
1780 |
dc->op2)); |
1781 |
|
1782 |
/* sign extend. */
|
1783 |
cris_cc_mask(dc, CC_MASK_NZVC); |
1784 |
insn_len = dec_prep_alu_m(dc, 1, memsize);
|
1785 |
crisv32_alu_op(dc, CC_OP_SUB, dc->op2, 4);
|
1786 |
do_postinc(dc, memsize); |
1787 |
return insn_len;
|
1788 |
} |
1789 |
|
1790 |
static unsigned int dec_movu_m(DisasContext *dc) |
1791 |
{ |
1792 |
int memsize = memsize_z(dc);
|
1793 |
int insn_len;
|
1794 |
|
1795 |
DIS(fprintf (logfile, "movu.%c [$r%u%s, $r%u\n",
|
1796 |
memsize_char(memsize), |
1797 |
dc->op1, dc->postinc ? "+]" : "]", |
1798 |
dc->op2)); |
1799 |
|
1800 |
cris_cc_mask(dc, CC_MASK_NZ); |
1801 |
insn_len = dec_prep_alu_m(dc, 0, memsize);
|
1802 |
crisv32_alu_op(dc, CC_OP_MOVE, dc->op2, 4);
|
1803 |
do_postinc(dc, memsize); |
1804 |
return insn_len;
|
1805 |
} |
1806 |
|
1807 |
static unsigned int dec_cmpu_m(DisasContext *dc) |
1808 |
{ |
1809 |
int memsize = memsize_z(dc);
|
1810 |
int insn_len;
|
1811 |
DIS(fprintf (logfile, "cmpu.%c [$r%u%s, $r%u\n",
|
1812 |
memsize_char(memsize), |
1813 |
dc->op1, dc->postinc ? "+]" : "]", |
1814 |
dc->op2)); |
1815 |
|
1816 |
cris_cc_mask(dc, CC_MASK_NZVC); |
1817 |
insn_len = dec_prep_alu_m(dc, 0, memsize);
|
1818 |
crisv32_alu_op(dc, CC_OP_CMP, dc->op2, 4);
|
1819 |
do_postinc(dc, memsize); |
1820 |
return insn_len;
|
1821 |
} |
1822 |
|
1823 |
static unsigned int dec_cmps_m(DisasContext *dc) |
1824 |
{ |
1825 |
int memsize = memsize_z(dc);
|
1826 |
int insn_len;
|
1827 |
DIS(fprintf (logfile, "cmps.%c [$r%u%s, $r%u\n",
|
1828 |
memsize_char(memsize), |
1829 |
dc->op1, dc->postinc ? "+]" : "]", |
1830 |
dc->op2)); |
1831 |
|
1832 |
cris_cc_mask(dc, CC_MASK_NZVC); |
1833 |
insn_len = dec_prep_alu_m(dc, 1, memsize);
|
1834 |
crisv32_alu_op(dc, CC_OP_CMP, dc->op2, memsize_zz(dc)); |
1835 |
do_postinc(dc, memsize); |
1836 |
return insn_len;
|
1837 |
} |
1838 |
|
1839 |
static unsigned int dec_cmp_m(DisasContext *dc) |
1840 |
{ |
1841 |
int memsize = memsize_zz(dc);
|
1842 |
int insn_len;
|
1843 |
DIS(fprintf (logfile, "cmp.%c [$r%u%s, $r%u\n",
|
1844 |
memsize_char(memsize), |
1845 |
dc->op1, dc->postinc ? "+]" : "]", |
1846 |
dc->op2)); |
1847 |
|
1848 |
cris_cc_mask(dc, CC_MASK_NZVC); |
1849 |
insn_len = dec_prep_alu_m(dc, 0, memsize);
|
1850 |
crisv32_alu_op(dc, CC_OP_CMP, dc->op2, memsize_zz(dc)); |
1851 |
do_postinc(dc, memsize); |
1852 |
return insn_len;
|
1853 |
} |
1854 |
|
1855 |
static unsigned int dec_test_m(DisasContext *dc) |
1856 |
{ |
1857 |
int memsize = memsize_zz(dc);
|
1858 |
int insn_len;
|
1859 |
DIS(fprintf (logfile, "test.%d [$r%u%s] op2=%x\n",
|
1860 |
memsize_char(memsize), |
1861 |
dc->op1, dc->postinc ? "+]" : "]", |
1862 |
dc->op2)); |
1863 |
|
1864 |
cris_cc_mask(dc, CC_MASK_NZ); |
1865 |
gen_op_clrf(3);
|
1866 |
insn_len = dec_prep_alu_m(dc, 0, memsize);
|
1867 |
tcg_gen_mov_tl(cpu_T[0], cpu_T[1]); |
1868 |
tcg_gen_movi_tl(cpu_T[1], 0); |
1869 |
crisv32_alu_op(dc, CC_OP_CMP, dc->op2, memsize_zz(dc)); |
1870 |
do_postinc(dc, memsize); |
1871 |
return insn_len;
|
1872 |
} |
1873 |
|
1874 |
static unsigned int dec_and_m(DisasContext *dc) |
1875 |
{ |
1876 |
int memsize = memsize_zz(dc);
|
1877 |
int insn_len;
|
1878 |
DIS(fprintf (logfile, "and.%d [$r%u%s, $r%u\n",
|
1879 |
memsize_char(memsize), |
1880 |
dc->op1, dc->postinc ? "+]" : "]", |
1881 |
dc->op2)); |
1882 |
|
1883 |
cris_cc_mask(dc, CC_MASK_NZ); |
1884 |
insn_len = dec_prep_alu_m(dc, 0, memsize);
|
1885 |
crisv32_alu_op(dc, CC_OP_AND, dc->op2, memsize_zz(dc)); |
1886 |
do_postinc(dc, memsize); |
1887 |
return insn_len;
|
1888 |
} |
1889 |
|
1890 |
static unsigned int dec_add_m(DisasContext *dc) |
1891 |
{ |
1892 |
int memsize = memsize_zz(dc);
|
1893 |
int insn_len;
|
1894 |
DIS(fprintf (logfile, "add.%d [$r%u%s, $r%u\n",
|
1895 |
memsize_char(memsize), |
1896 |
dc->op1, dc->postinc ? "+]" : "]", |
1897 |
dc->op2)); |
1898 |
|
1899 |
cris_cc_mask(dc, CC_MASK_NZVC); |
1900 |
insn_len = dec_prep_alu_m(dc, 0, memsize);
|
1901 |
crisv32_alu_op(dc, CC_OP_ADD, dc->op2, memsize_zz(dc)); |
1902 |
do_postinc(dc, memsize); |
1903 |
return insn_len;
|
1904 |
} |
1905 |
|
1906 |
static unsigned int dec_addo_m(DisasContext *dc) |
1907 |
{ |
1908 |
int memsize = memsize_zz(dc);
|
1909 |
int insn_len;
|
1910 |
DIS(fprintf (logfile, "add.%d [$r%u%s, $r%u\n",
|
1911 |
memsize_char(memsize), |
1912 |
dc->op1, dc->postinc ? "+]" : "]", |
1913 |
dc->op2)); |
1914 |
|
1915 |
cris_cc_mask(dc, 0);
|
1916 |
insn_len = dec_prep_alu_m(dc, 1, memsize);
|
1917 |
crisv32_alu_op(dc, CC_OP_ADD, R_ACR, 4);
|
1918 |
do_postinc(dc, memsize); |
1919 |
return insn_len;
|
1920 |
} |
1921 |
|
1922 |
static unsigned int dec_bound_m(DisasContext *dc) |
1923 |
{ |
1924 |
int memsize = memsize_zz(dc);
|
1925 |
int insn_len;
|
1926 |
DIS(fprintf (logfile, "bound.%d [$r%u%s, $r%u\n",
|
1927 |
memsize_char(memsize), |
1928 |
dc->op1, dc->postinc ? "+]" : "]", |
1929 |
dc->op2)); |
1930 |
|
1931 |
cris_cc_mask(dc, CC_MASK_NZ); |
1932 |
insn_len = dec_prep_alu_m(dc, 0, memsize);
|
1933 |
crisv32_alu_op(dc, CC_OP_BOUND, dc->op2, 4);
|
1934 |
do_postinc(dc, memsize); |
1935 |
return insn_len;
|
1936 |
} |
1937 |
|
1938 |
static unsigned int dec_addc_mr(DisasContext *dc) |
1939 |
{ |
1940 |
int insn_len = 2; |
1941 |
DIS(fprintf (logfile, "addc [$r%u%s, $r%u\n",
|
1942 |
dc->op1, dc->postinc ? "+]" : "]", |
1943 |
dc->op2)); |
1944 |
|
1945 |
cris_evaluate_flags(dc); |
1946 |
cris_cc_mask(dc, CC_MASK_NZVC); |
1947 |
insn_len = dec_prep_alu_m(dc, 0, 4); |
1948 |
crisv32_alu_op(dc, CC_OP_ADDC, dc->op2, 4);
|
1949 |
do_postinc(dc, 4);
|
1950 |
return insn_len;
|
1951 |
} |
1952 |
|
1953 |
static unsigned int dec_sub_m(DisasContext *dc) |
1954 |
{ |
1955 |
int memsize = memsize_zz(dc);
|
1956 |
int insn_len;
|
1957 |
DIS(fprintf (logfile, "sub.%c [$r%u%s, $r%u ir=%x zz=%x\n",
|
1958 |
memsize_char(memsize), |
1959 |
dc->op1, dc->postinc ? "+]" : "]", |
1960 |
dc->op2, dc->ir, dc->zzsize)); |
1961 |
|
1962 |
cris_cc_mask(dc, CC_MASK_NZVC); |
1963 |
insn_len = dec_prep_alu_m(dc, 0, memsize);
|
1964 |
crisv32_alu_op(dc, CC_OP_SUB, dc->op2, memsize); |
1965 |
do_postinc(dc, memsize); |
1966 |
return insn_len;
|
1967 |
} |
1968 |
|
1969 |
static unsigned int dec_or_m(DisasContext *dc) |
1970 |
{ |
1971 |
int memsize = memsize_zz(dc);
|
1972 |
int insn_len;
|
1973 |
DIS(fprintf (logfile, "or.%d [$r%u%s, $r%u pc=%x\n",
|
1974 |
memsize_char(memsize), |
1975 |
dc->op1, dc->postinc ? "+]" : "]", |
1976 |
dc->op2, dc->pc)); |
1977 |
|
1978 |
cris_cc_mask(dc, CC_MASK_NZ); |
1979 |
insn_len = dec_prep_alu_m(dc, 0, memsize);
|
1980 |
crisv32_alu_op(dc, CC_OP_OR, dc->op2, memsize_zz(dc)); |
1981 |
do_postinc(dc, memsize); |
1982 |
return insn_len;
|
1983 |
} |
1984 |
|
1985 |
static unsigned int dec_move_mp(DisasContext *dc) |
1986 |
{ |
1987 |
int memsize = memsize_zz(dc);
|
1988 |
int insn_len = 2; |
1989 |
|
1990 |
DIS(fprintf (logfile, "move.%c [$r%u%s, $p%u\n",
|
1991 |
memsize_char(memsize), |
1992 |
dc->op1, |
1993 |
dc->postinc ? "+]" : "]", |
1994 |
dc->op2)); |
1995 |
|
1996 |
cris_cc_mask(dc, 0);
|
1997 |
insn_len = dec_prep_alu_m(dc, 0, memsize);
|
1998 |
t_gen_mov_preg_TN(dc->op2, cpu_T[1]);
|
1999 |
|
2000 |
do_postinc(dc, memsize); |
2001 |
return insn_len;
|
2002 |
} |
2003 |
|
2004 |
static unsigned int dec_move_pm(DisasContext *dc) |
2005 |
{ |
2006 |
int memsize;
|
2007 |
|
2008 |
memsize = preg_sizes[dc->op2]; |
2009 |
|
2010 |
DIS(fprintf (logfile, "move.%c $p%u, [$r%u%s\n",
|
2011 |
memsize_char(memsize), |
2012 |
dc->op2, dc->op1, dc->postinc ? "+]" : "]")); |
2013 |
|
2014 |
cris_cc_mask(dc, 0);
|
2015 |
/* prepare store. Address in T0, value in T1. */
|
2016 |
t_gen_mov_TN_preg(cpu_T[1], dc->op2);
|
2017 |
t_gen_mov_TN_reg(cpu_T[0], dc->op1);
|
2018 |
gen_store_T0_T1(dc, memsize); |
2019 |
if (dc->postinc)
|
2020 |
{ |
2021 |
tcg_gen_addi_tl(cpu_T[0], cpu_T[0], memsize); |
2022 |
t_gen_mov_reg_TN(dc->op1, cpu_T[0]);
|
2023 |
} |
2024 |
return 2; |
2025 |
} |
2026 |
|
2027 |
static unsigned int dec_movem_mr(DisasContext *dc) |
2028 |
{ |
2029 |
int i;
|
2030 |
|
2031 |
DIS(fprintf (logfile, "movem [$r%u%s, $r%u\n", dc->op1,
|
2032 |
dc->postinc ? "+]" : "]", dc->op2)); |
2033 |
|
2034 |
cris_cc_mask(dc, 0);
|
2035 |
/* fetch the address into T0 and T1. */
|
2036 |
t_gen_mov_TN_reg(cpu_T[1], dc->op1);
|
2037 |
for (i = 0; i <= dc->op2; i++) { |
2038 |
/* Perform the load onto regnum i. Always dword wide. */
|
2039 |
tcg_gen_mov_tl(cpu_T[0], cpu_T[1]); |
2040 |
gen_load_T0_T0(dc, 4, 0); |
2041 |
t_gen_mov_reg_TN(i, cpu_T[0]);
|
2042 |
tcg_gen_addi_tl(cpu_T[1], cpu_T[1], 4); |
2043 |
} |
2044 |
/* writeback the updated pointer value. */
|
2045 |
if (dc->postinc)
|
2046 |
t_gen_mov_reg_TN(dc->op1, cpu_T[1]);
|
2047 |
return 2; |
2048 |
} |
2049 |
|
2050 |
static unsigned int dec_movem_rm(DisasContext *dc) |
2051 |
{ |
2052 |
int i;
|
2053 |
|
2054 |
DIS(fprintf (logfile, "movem $r%u, [$r%u%s\n", dc->op2, dc->op1,
|
2055 |
dc->postinc ? "+]" : "]")); |
2056 |
|
2057 |
cris_cc_mask(dc, 0);
|
2058 |
for (i = 0; i <= dc->op2; i++) { |
2059 |
/* Fetch register i into T1. */
|
2060 |
t_gen_mov_TN_reg(cpu_T[1], i);
|
2061 |
/* Fetch the address into T0. */
|
2062 |
t_gen_mov_TN_reg(cpu_T[0], dc->op1);
|
2063 |
/* Displace it. */
|
2064 |
tcg_gen_addi_tl(cpu_T[0], cpu_T[0], i * 4); |
2065 |
/* Perform the store. */
|
2066 |
gen_store_T0_T1(dc, 4);
|
2067 |
} |
2068 |
if (dc->postinc) {
|
2069 |
/* T0 should point to the last written addr, advance one more
|
2070 |
step. */
|
2071 |
tcg_gen_addi_tl(cpu_T[0], cpu_T[0], 4); |
2072 |
/* writeback the updated pointer value. */
|
2073 |
t_gen_mov_reg_TN(dc->op1, cpu_T[0]);
|
2074 |
} |
2075 |
return 2; |
2076 |
} |
2077 |
|
2078 |
static unsigned int dec_move_rm(DisasContext *dc) |
2079 |
{ |
2080 |
int memsize;
|
2081 |
|
2082 |
memsize = memsize_zz(dc); |
2083 |
|
2084 |
DIS(fprintf (logfile, "move.%d $r%u, [$r%u]\n",
|
2085 |
memsize, dc->op2, dc->op1)); |
2086 |
|
2087 |
cris_cc_mask(dc, 0);
|
2088 |
/* prepare store. */
|
2089 |
t_gen_mov_TN_reg(cpu_T[0], dc->op1);
|
2090 |
t_gen_mov_TN_reg(cpu_T[1], dc->op2);
|
2091 |
gen_store_T0_T1(dc, memsize); |
2092 |
if (dc->postinc)
|
2093 |
{ |
2094 |
tcg_gen_addi_tl(cpu_T[0], cpu_T[0], memsize); |
2095 |
t_gen_mov_reg_TN(dc->op1, cpu_T[0]);
|
2096 |
} |
2097 |
return 2; |
2098 |
} |
2099 |
|
2100 |
static unsigned int dec_lapcq(DisasContext *dc) |
2101 |
{ |
2102 |
DIS(fprintf (logfile, "lapcq %x, $r%u\n",
|
2103 |
dc->pc + dc->op1*2, dc->op2));
|
2104 |
cris_cc_mask(dc, 0);
|
2105 |
tcg_gen_movi_tl(cpu_T[1], dc->pc + dc->op1 * 2); |
2106 |
crisv32_alu_op(dc, CC_OP_MOVE, dc->op2, 4);
|
2107 |
return 2; |
2108 |
} |
2109 |
|
2110 |
static unsigned int dec_lapc_im(DisasContext *dc) |
2111 |
{ |
2112 |
unsigned int rd; |
2113 |
int32_t imm; |
2114 |
|
2115 |
rd = dc->op2; |
2116 |
|
2117 |
cris_cc_mask(dc, 0);
|
2118 |
imm = ldl_code(dc->pc + 2);
|
2119 |
DIS(fprintf (logfile, "lapc 0x%x, $r%u\n", imm + dc->pc, dc->op2));
|
2120 |
t_gen_mov_reg_TN(rd, tcg_const_tl(dc->pc + imm)); |
2121 |
return 6; |
2122 |
} |
2123 |
|
2124 |
/* Jump to special reg. */
|
2125 |
static unsigned int dec_jump_p(DisasContext *dc) |
2126 |
{ |
2127 |
DIS(fprintf (logfile, "jump $p%u\n", dc->op2));
|
2128 |
cris_cc_mask(dc, 0);
|
2129 |
/* Store the return address in Pd. */
|
2130 |
t_gen_mov_TN_preg(cpu_T[0], dc->op2);
|
2131 |
t_gen_mov_env_TN(btarget, cpu_T[0]);
|
2132 |
cris_prepare_dyn_jmp(dc); |
2133 |
return 2; |
2134 |
} |
2135 |
|
2136 |
/* Jump and save. */
|
2137 |
static unsigned int dec_jas_r(DisasContext *dc) |
2138 |
{ |
2139 |
DIS(fprintf (logfile, "jas $r%u, $p%u\n", dc->op1, dc->op2));
|
2140 |
cris_cc_mask(dc, 0);
|
2141 |
/* Stor the return address in Pd. */
|
2142 |
t_gen_mov_TN_reg(cpu_T[0], dc->op1);
|
2143 |
t_gen_mov_env_TN(btarget, cpu_T[0]);
|
2144 |
tcg_gen_movi_tl(cpu_T[0], dc->pc + 4); |
2145 |
t_gen_mov_preg_TN(dc->op2, cpu_T[0]);
|
2146 |
cris_prepare_dyn_jmp(dc); |
2147 |
return 2; |
2148 |
} |
2149 |
|
2150 |
static unsigned int dec_jas_im(DisasContext *dc) |
2151 |
{ |
2152 |
uint32_t imm; |
2153 |
|
2154 |
imm = ldl_code(dc->pc + 2);
|
2155 |
|
2156 |
DIS(fprintf (logfile, "jas 0x%x\n", imm));
|
2157 |
cris_cc_mask(dc, 0);
|
2158 |
/* Stor the return address in Pd. */
|
2159 |
t_gen_mov_env_TN(btarget, tcg_const_tl(imm)); |
2160 |
t_gen_mov_preg_TN(dc->op2, tcg_const_tl(dc->pc + 8));
|
2161 |
cris_prepare_dyn_jmp(dc); |
2162 |
return 6; |
2163 |
} |
2164 |
|
2165 |
static unsigned int dec_jasc_im(DisasContext *dc) |
2166 |
{ |
2167 |
uint32_t imm; |
2168 |
|
2169 |
imm = ldl_code(dc->pc + 2);
|
2170 |
|
2171 |
DIS(fprintf (logfile, "jasc 0x%x\n", imm));
|
2172 |
cris_cc_mask(dc, 0);
|
2173 |
/* Stor the return address in Pd. */
|
2174 |
tcg_gen_movi_tl(cpu_T[0], imm);
|
2175 |
t_gen_mov_env_TN(btarget, cpu_T[0]);
|
2176 |
tcg_gen_movi_tl(cpu_T[0], dc->pc + 8 + 4); |
2177 |
t_gen_mov_preg_TN(dc->op2, cpu_T[0]);
|
2178 |
cris_prepare_dyn_jmp(dc); |
2179 |
return 6; |
2180 |
} |
2181 |
|
2182 |
static unsigned int dec_jasc_r(DisasContext *dc) |
2183 |
{ |
2184 |
DIS(fprintf (logfile, "jasc_r $r%u, $p%u\n", dc->op1, dc->op2));
|
2185 |
cris_cc_mask(dc, 0);
|
2186 |
/* Stor the return address in Pd. */
|
2187 |
t_gen_mov_TN_reg(cpu_T[0], dc->op1);
|
2188 |
t_gen_mov_env_TN(btarget, cpu_T[0]);
|
2189 |
tcg_gen_movi_tl(cpu_T[0], dc->pc + 4 + 4); |
2190 |
t_gen_mov_preg_TN(dc->op2, cpu_T[0]);
|
2191 |
cris_prepare_dyn_jmp(dc); |
2192 |
return 2; |
2193 |
} |
2194 |
|
2195 |
static unsigned int dec_bcc_im(DisasContext *dc) |
2196 |
{ |
2197 |
int32_t offset; |
2198 |
uint32_t cond = dc->op2; |
2199 |
|
2200 |
offset = ldl_code(dc->pc + 2);
|
2201 |
offset = sign_extend(offset, 15);
|
2202 |
|
2203 |
DIS(fprintf (logfile, "b%s %d pc=%x dst=%x\n",
|
2204 |
cc_name(cond), offset, |
2205 |
dc->pc, dc->pc + offset)); |
2206 |
|
2207 |
cris_cc_mask(dc, 0);
|
2208 |
/* op2 holds the condition-code. */
|
2209 |
cris_prepare_cc_branch (dc, offset, cond); |
2210 |
return 4; |
2211 |
} |
2212 |
|
2213 |
static unsigned int dec_bas_im(DisasContext *dc) |
2214 |
{ |
2215 |
int32_t simm; |
2216 |
|
2217 |
|
2218 |
simm = ldl_code(dc->pc + 2);
|
2219 |
|
2220 |
DIS(fprintf (logfile, "bas 0x%x, $p%u\n", dc->pc + simm, dc->op2));
|
2221 |
cris_cc_mask(dc, 0);
|
2222 |
/* Stor the return address in Pd. */
|
2223 |
tcg_gen_movi_tl(cpu_T[0], dc->pc + simm);
|
2224 |
t_gen_mov_env_TN(btarget, cpu_T[0]);
|
2225 |
tcg_gen_movi_tl(cpu_T[0], dc->pc + 8); |
2226 |
t_gen_mov_preg_TN(dc->op2, cpu_T[0]);
|
2227 |
cris_prepare_dyn_jmp(dc); |
2228 |
return 6; |
2229 |
} |
2230 |
|
2231 |
static unsigned int dec_basc_im(DisasContext *dc) |
2232 |
{ |
2233 |
int32_t simm; |
2234 |
simm = ldl_code(dc->pc + 2);
|
2235 |
|
2236 |
DIS(fprintf (logfile, "basc 0x%x, $p%u\n", dc->pc + simm, dc->op2));
|
2237 |
cris_cc_mask(dc, 0);
|
2238 |
/* Stor the return address in Pd. */
|
2239 |
tcg_gen_movi_tl(cpu_T[0], dc->pc + simm);
|
2240 |
t_gen_mov_env_TN(btarget, cpu_T[0]);
|
2241 |
tcg_gen_movi_tl(cpu_T[0], dc->pc + 12); |
2242 |
t_gen_mov_preg_TN(dc->op2, cpu_T[0]);
|
2243 |
cris_prepare_dyn_jmp(dc); |
2244 |
return 6; |
2245 |
} |
2246 |
|
2247 |
static unsigned int dec_rfe_etc(DisasContext *dc) |
2248 |
{ |
2249 |
DIS(fprintf (logfile, "rfe_etc opc=%x pc=0x%x op1=%d op2=%d\n",
|
2250 |
dc->opcode, dc->pc, dc->op1, dc->op2)); |
2251 |
|
2252 |
cris_cc_mask(dc, 0);
|
2253 |
|
2254 |
if (dc->op2 == 15) /* ignore halt. */ |
2255 |
return 2; |
2256 |
|
2257 |
switch (dc->op2 & 7) { |
2258 |
case 2: |
2259 |
/* rfe. */
|
2260 |
cris_evaluate_flags(dc); |
2261 |
gen_op_ccs_rshift(); |
2262 |
break;
|
2263 |
case 5: |
2264 |
/* rfn. */
|
2265 |
BUG(); |
2266 |
break;
|
2267 |
case 6: |
2268 |
/* break. */
|
2269 |
tcg_gen_movi_tl(cpu_T[0], dc->pc);
|
2270 |
t_gen_mov_env_TN(pc, cpu_T[0]);
|
2271 |
/* Breaks start at 16 in the exception vector. */
|
2272 |
gen_op_break_im(dc->op1 + 16);
|
2273 |
dc->is_jmp = DISAS_SWI; |
2274 |
break;
|
2275 |
default:
|
2276 |
printf ("op2=%x\n", dc->op2);
|
2277 |
BUG(); |
2278 |
break;
|
2279 |
|
2280 |
} |
2281 |
return 2; |
2282 |
} |
2283 |
|
2284 |
static unsigned int dec_ftag_fidx_d_m(DisasContext *dc) |
2285 |
{ |
2286 |
/* Ignore D-cache flushes. */
|
2287 |
return 2; |
2288 |
} |
2289 |
|
2290 |
static unsigned int dec_ftag_fidx_i_m(DisasContext *dc) |
2291 |
{ |
2292 |
/* Ignore I-cache flushes. */
|
2293 |
return 2; |
2294 |
} |
2295 |
|
2296 |
static unsigned int dec_null(DisasContext *dc) |
2297 |
{ |
2298 |
printf ("unknown insn pc=%x opc=%x op1=%x op2=%x\n",
|
2299 |
dc->pc, dc->opcode, dc->op1, dc->op2); |
2300 |
fflush(NULL);
|
2301 |
BUG(); |
2302 |
return 2; |
2303 |
} |
2304 |
|
2305 |
struct decoder_info {
|
2306 |
struct {
|
2307 |
uint32_t bits; |
2308 |
uint32_t mask; |
2309 |
}; |
2310 |
unsigned int (*dec)(DisasContext *dc); |
2311 |
} decinfo[] = { |
2312 |
/* Order matters here. */
|
2313 |
{DEC_MOVEQ, dec_moveq}, |
2314 |
{DEC_BTSTQ, dec_btstq}, |
2315 |
{DEC_CMPQ, dec_cmpq}, |
2316 |
{DEC_ADDOQ, dec_addoq}, |
2317 |
{DEC_ADDQ, dec_addq}, |
2318 |
{DEC_SUBQ, dec_subq}, |
2319 |
{DEC_ANDQ, dec_andq}, |
2320 |
{DEC_ORQ, dec_orq}, |
2321 |
{DEC_ASRQ, dec_asrq}, |
2322 |
{DEC_LSLQ, dec_lslq}, |
2323 |
{DEC_LSRQ, dec_lsrq}, |
2324 |
{DEC_BCCQ, dec_bccq}, |
2325 |
|
2326 |
{DEC_BCC_IM, dec_bcc_im}, |
2327 |
{DEC_JAS_IM, dec_jas_im}, |
2328 |
{DEC_JAS_R, dec_jas_r}, |
2329 |
{DEC_JASC_IM, dec_jasc_im}, |
2330 |
{DEC_JASC_R, dec_jasc_r}, |
2331 |
{DEC_BAS_IM, dec_bas_im}, |
2332 |
{DEC_BASC_IM, dec_basc_im}, |
2333 |
{DEC_JUMP_P, dec_jump_p}, |
2334 |
{DEC_LAPC_IM, dec_lapc_im}, |
2335 |
{DEC_LAPCQ, dec_lapcq}, |
2336 |
|
2337 |
{DEC_RFE_ETC, dec_rfe_etc}, |
2338 |
{DEC_ADDC_MR, dec_addc_mr}, |
2339 |
|
2340 |
{DEC_MOVE_MP, dec_move_mp}, |
2341 |
{DEC_MOVE_PM, dec_move_pm}, |
2342 |
{DEC_MOVEM_MR, dec_movem_mr}, |
2343 |
{DEC_MOVEM_RM, dec_movem_rm}, |
2344 |
{DEC_MOVE_PR, dec_move_pr}, |
2345 |
{DEC_SCC_R, dec_scc_r}, |
2346 |
{DEC_SETF, dec_setclrf}, |
2347 |
{DEC_CLEARF, dec_setclrf}, |
2348 |
|
2349 |
{DEC_MOVE_SR, dec_move_sr}, |
2350 |
{DEC_MOVE_RP, dec_move_rp}, |
2351 |
{DEC_SWAP_R, dec_swap_r}, |
2352 |
{DEC_ABS_R, dec_abs_r}, |
2353 |
{DEC_LZ_R, dec_lz_r}, |
2354 |
{DEC_MOVE_RS, dec_move_rs}, |
2355 |
{DEC_BTST_R, dec_btst_r}, |
2356 |
{DEC_ADDC_R, dec_addc_r}, |
2357 |
|
2358 |
{DEC_DSTEP_R, dec_dstep_r}, |
2359 |
{DEC_XOR_R, dec_xor_r}, |
2360 |
{DEC_MCP_R, dec_mcp_r}, |
2361 |
{DEC_CMP_R, dec_cmp_r}, |
2362 |
|
2363 |
{DEC_ADDI_R, dec_addi_r}, |
2364 |
{DEC_ADDI_ACR, dec_addi_acr}, |
2365 |
|
2366 |
{DEC_ADD_R, dec_add_r}, |
2367 |
{DEC_SUB_R, dec_sub_r}, |
2368 |
|
2369 |
{DEC_ADDU_R, dec_addu_r}, |
2370 |
{DEC_ADDS_R, dec_adds_r}, |
2371 |
{DEC_SUBU_R, dec_subu_r}, |
2372 |
{DEC_SUBS_R, dec_subs_r}, |
2373 |
{DEC_LSL_R, dec_lsl_r}, |
2374 |
|
2375 |
{DEC_AND_R, dec_and_r}, |
2376 |
{DEC_OR_R, dec_or_r}, |
2377 |
{DEC_BOUND_R, dec_bound_r}, |
2378 |
{DEC_ASR_R, dec_asr_r}, |
2379 |
{DEC_LSR_R, dec_lsr_r}, |
2380 |
|
2381 |
{DEC_MOVU_R, dec_movu_r}, |
2382 |
{DEC_MOVS_R, dec_movs_r}, |
2383 |
{DEC_NEG_R, dec_neg_r}, |
2384 |
{DEC_MOVE_R, dec_move_r}, |
2385 |
|
2386 |
{DEC_FTAG_FIDX_I_M, dec_ftag_fidx_i_m}, |
2387 |
{DEC_FTAG_FIDX_D_M, dec_ftag_fidx_d_m}, |
2388 |
|
2389 |
{DEC_MULS_R, dec_muls_r}, |
2390 |
{DEC_MULU_R, dec_mulu_r}, |
2391 |
|
2392 |
{DEC_ADDU_M, dec_addu_m}, |
2393 |
{DEC_ADDS_M, dec_adds_m}, |
2394 |
{DEC_SUBU_M, dec_subu_m}, |
2395 |
{DEC_SUBS_M, dec_subs_m}, |
2396 |
|
2397 |
{DEC_CMPU_M, dec_cmpu_m}, |
2398 |
{DEC_CMPS_M, dec_cmps_m}, |
2399 |
{DEC_MOVU_M, dec_movu_m}, |
2400 |
{DEC_MOVS_M, dec_movs_m}, |
2401 |
|
2402 |
{DEC_CMP_M, dec_cmp_m}, |
2403 |
{DEC_ADDO_M, dec_addo_m}, |
2404 |
{DEC_BOUND_M, dec_bound_m}, |
2405 |
{DEC_ADD_M, dec_add_m}, |
2406 |
{DEC_SUB_M, dec_sub_m}, |
2407 |
{DEC_AND_M, dec_and_m}, |
2408 |
{DEC_OR_M, dec_or_m}, |
2409 |
{DEC_MOVE_RM, dec_move_rm}, |
2410 |
{DEC_TEST_M, dec_test_m}, |
2411 |
{DEC_MOVE_MR, dec_move_mr}, |
2412 |
|
2413 |
{{0, 0}, dec_null} |
2414 |
}; |
2415 |
|
2416 |
static inline unsigned int |
2417 |
cris_decoder(DisasContext *dc) |
2418 |
{ |
2419 |
unsigned int insn_len = 2; |
2420 |
uint32_t tmp; |
2421 |
int i;
|
2422 |
|
2423 |
/* Load a halfword onto the instruction register. */
|
2424 |
tmp = ldl_code(dc->pc); |
2425 |
dc->ir = tmp & 0xffff;
|
2426 |
|
2427 |
/* Now decode it. */
|
2428 |
dc->opcode = EXTRACT_FIELD(dc->ir, 4, 11); |
2429 |
dc->op1 = EXTRACT_FIELD(dc->ir, 0, 3); |
2430 |
dc->op2 = EXTRACT_FIELD(dc->ir, 12, 15); |
2431 |
dc->zsize = EXTRACT_FIELD(dc->ir, 4, 4); |
2432 |
dc->zzsize = EXTRACT_FIELD(dc->ir, 4, 5); |
2433 |
dc->postinc = EXTRACT_FIELD(dc->ir, 10, 10); |
2434 |
|
2435 |
/* Large switch for all insns. */
|
2436 |
for (i = 0; i < sizeof decinfo / sizeof decinfo[0]; i++) { |
2437 |
if ((dc->opcode & decinfo[i].mask) == decinfo[i].bits)
|
2438 |
{ |
2439 |
insn_len = decinfo[i].dec(dc); |
2440 |
break;
|
2441 |
} |
2442 |
} |
2443 |
|
2444 |
return insn_len;
|
2445 |
} |
2446 |
|
2447 |
static void check_breakpoint(CPUState *env, DisasContext *dc) |
2448 |
{ |
2449 |
int j;
|
2450 |
if (env->nb_breakpoints > 0) { |
2451 |
for(j = 0; j < env->nb_breakpoints; j++) { |
2452 |
if (env->breakpoints[j] == dc->pc) {
|
2453 |
cris_evaluate_flags (dc); |
2454 |
tcg_gen_movi_tl(cpu_T[0], dc->pc);
|
2455 |
t_gen_mov_env_TN(pc, cpu_T[0]);
|
2456 |
gen_op_debug(); |
2457 |
dc->is_jmp = DISAS_UPDATE; |
2458 |
} |
2459 |
} |
2460 |
} |
2461 |
} |
2462 |
|
2463 |
/* generate intermediate code for basic block 'tb'. */
|
2464 |
struct DisasContext ctx;
|
2465 |
static int |
2466 |
gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb, |
2467 |
int search_pc)
|
2468 |
{ |
2469 |
uint16_t *gen_opc_end; |
2470 |
uint32_t pc_start; |
2471 |
unsigned int insn_len; |
2472 |
int j, lj;
|
2473 |
struct DisasContext *dc = &ctx;
|
2474 |
uint32_t next_page_start; |
2475 |
|
2476 |
if (!logfile)
|
2477 |
logfile = stderr; |
2478 |
|
2479 |
pc_start = tb->pc; |
2480 |
dc->env = env; |
2481 |
dc->tb = tb; |
2482 |
|
2483 |
gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
2484 |
|
2485 |
dc->is_jmp = DISAS_NEXT; |
2486 |
dc->pc = pc_start; |
2487 |
dc->singlestep_enabled = env->singlestep_enabled; |
2488 |
dc->flagx_live = 0;
|
2489 |
dc->flags_x = 0;
|
2490 |
|
2491 |
next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE; |
2492 |
lj = -1;
|
2493 |
do
|
2494 |
{ |
2495 |
check_breakpoint(env, dc); |
2496 |
if (dc->is_jmp == DISAS_JUMP
|
2497 |
|| dc->is_jmp == DISAS_SWI) |
2498 |
goto done;
|
2499 |
|
2500 |
if (search_pc) {
|
2501 |
j = gen_opc_ptr - gen_opc_buf; |
2502 |
if (lj < j) {
|
2503 |
lj++; |
2504 |
while (lj < j)
|
2505 |
gen_opc_instr_start[lj++] = 0;
|
2506 |
} |
2507 |
gen_opc_pc[lj] = dc->pc; |
2508 |
gen_opc_instr_start[lj] = 1;
|
2509 |
} |
2510 |
|
2511 |
insn_len = cris_decoder(dc); |
2512 |
STATS(gen_op_exec_insn()); |
2513 |
dc->pc += insn_len; |
2514 |
cris_clear_x_flag(dc); |
2515 |
|
2516 |
/* Check for delayed branches here. If we do it before
|
2517 |
actually genereating any host code, the simulator will just
|
2518 |
loop doing nothing for on this program location. */
|
2519 |
if (dc->delayed_branch) {
|
2520 |
dc->delayed_branch--; |
2521 |
if (dc->delayed_branch == 0) |
2522 |
{ |
2523 |
if (dc->bcc == CC_A) {
|
2524 |
gen_op_jmp1 (); |
2525 |
dc->is_jmp = DISAS_UPDATE; |
2526 |
} |
2527 |
else {
|
2528 |
/* Conditional jmp. */
|
2529 |
gen_op_cc_jmp (dc->delayed_pc, dc->pc); |
2530 |
dc->is_jmp = DISAS_UPDATE; |
2531 |
} |
2532 |
} |
2533 |
} |
2534 |
|
2535 |
if (env->singlestep_enabled)
|
2536 |
break;
|
2537 |
} while (!dc->is_jmp && gen_opc_ptr < gen_opc_end
|
2538 |
&& dc->pc < next_page_start); |
2539 |
|
2540 |
if (!dc->is_jmp) {
|
2541 |
tcg_gen_movi_tl(cpu_T[0], dc->pc);
|
2542 |
t_gen_mov_env_TN(pc, cpu_T[0]);
|
2543 |
} |
2544 |
|
2545 |
cris_evaluate_flags (dc); |
2546 |
done:
|
2547 |
if (__builtin_expect(env->singlestep_enabled, 0)) { |
2548 |
gen_op_debug(); |
2549 |
} else {
|
2550 |
switch(dc->is_jmp) {
|
2551 |
case DISAS_NEXT:
|
2552 |
gen_goto_tb(dc, 1, dc->pc);
|
2553 |
break;
|
2554 |
default:
|
2555 |
case DISAS_JUMP:
|
2556 |
case DISAS_UPDATE:
|
2557 |
/* indicate that the hash table must be used
|
2558 |
to find the next TB */
|
2559 |
tcg_gen_exit_tb(0);
|
2560 |
break;
|
2561 |
case DISAS_SWI:
|
2562 |
case DISAS_TB_JUMP:
|
2563 |
/* nothing more to generate */
|
2564 |
break;
|
2565 |
} |
2566 |
} |
2567 |
*gen_opc_ptr = INDEX_op_end; |
2568 |
if (search_pc) {
|
2569 |
j = gen_opc_ptr - gen_opc_buf; |
2570 |
lj++; |
2571 |
while (lj <= j)
|
2572 |
gen_opc_instr_start[lj++] = 0;
|
2573 |
} else {
|
2574 |
tb->size = dc->pc - pc_start; |
2575 |
} |
2576 |
|
2577 |
#ifdef DEBUG_DISAS
|
2578 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
2579 |
fprintf(logfile, "--------------\n");
|
2580 |
fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
|
2581 |
target_disas(logfile, pc_start, dc->pc + 4 - pc_start, 0); |
2582 |
fprintf(logfile, "\n");
|
2583 |
} |
2584 |
#endif
|
2585 |
return 0; |
2586 |
} |
2587 |
|
2588 |
int gen_intermediate_code (CPUState *env, struct TranslationBlock *tb) |
2589 |
{ |
2590 |
return gen_intermediate_code_internal(env, tb, 0); |
2591 |
} |
2592 |
|
2593 |
int gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb) |
2594 |
{ |
2595 |
return gen_intermediate_code_internal(env, tb, 1); |
2596 |
} |
2597 |
|
2598 |
void cpu_dump_state (CPUState *env, FILE *f,
|
2599 |
int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
2600 |
int flags)
|
2601 |
{ |
2602 |
int i;
|
2603 |
uint32_t srs; |
2604 |
|
2605 |
if (!env || !f)
|
2606 |
return;
|
2607 |
|
2608 |
cpu_fprintf(f, "PC=%x CCS=%x btaken=%d btarget=%x\n"
|
2609 |
"cc_op=%d cc_src=%d cc_dest=%d cc_result=%x cc_mask=%x\n"
|
2610 |
"debug=%x %x %x\n",
|
2611 |
env->pc, env->pregs[PR_CCS], env->btaken, env->btarget, |
2612 |
env->cc_op, |
2613 |
env->cc_src, env->cc_dest, env->cc_result, env->cc_mask, |
2614 |
env->debug1, env->debug2, env->debug3); |
2615 |
|
2616 |
for (i = 0; i < 16; i++) { |
2617 |
cpu_fprintf(f, "r%2.2d=%8.8x ", i, env->regs[i]);
|
2618 |
if ((i + 1) % 4 == 0) |
2619 |
cpu_fprintf(f, "\n");
|
2620 |
} |
2621 |
cpu_fprintf(f, "\nspecial regs:\n");
|
2622 |
for (i = 0; i < 16; i++) { |
2623 |
cpu_fprintf(f, "p%2.2d=%8.8x ", i, env->pregs[i]);
|
2624 |
if ((i + 1) % 4 == 0) |
2625 |
cpu_fprintf(f, "\n");
|
2626 |
} |
2627 |
srs = env->pregs[PR_SRS]; |
2628 |
cpu_fprintf(f, "\nsupport function regs bank %d:\n", srs);
|
2629 |
if (srs < 256) { |
2630 |
for (i = 0; i < 16; i++) { |
2631 |
cpu_fprintf(f, "s%2.2d=%8.8x ",
|
2632 |
i, env->sregs[srs][i]); |
2633 |
if ((i + 1) % 4 == 0) |
2634 |
cpu_fprintf(f, "\n");
|
2635 |
} |
2636 |
} |
2637 |
cpu_fprintf(f, "\n\n");
|
2638 |
|
2639 |
} |
2640 |
|
2641 |
static void tcg_macro_func(TCGContext *s, int macro_id, const int *dead_args) |
2642 |
{ |
2643 |
} |
2644 |
|
2645 |
CPUCRISState *cpu_cris_init (const char *cpu_model) |
2646 |
{ |
2647 |
CPUCRISState *env; |
2648 |
int i;
|
2649 |
|
2650 |
env = qemu_mallocz(sizeof(CPUCRISState));
|
2651 |
if (!env)
|
2652 |
return NULL; |
2653 |
cpu_exec_init(env); |
2654 |
|
2655 |
tcg_set_macro_func(&tcg_ctx, tcg_macro_func); |
2656 |
cpu_env = tcg_global_reg_new(TCG_TYPE_PTR, TCG_AREG0, "env");
|
2657 |
#if TARGET_LONG_BITS > HOST_LONG_BITS
|
2658 |
cpu_T[0] = tcg_global_mem_new(TCG_TYPE_TL,
|
2659 |
TCG_AREG0, offsetof(CPUState, t0), "T0");
|
2660 |
cpu_T[1] = tcg_global_mem_new(TCG_TYPE_TL,
|
2661 |
TCG_AREG0, offsetof(CPUState, t1), "T1");
|
2662 |
#else
|
2663 |
cpu_T[0] = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG1, "T0"); |
2664 |
cpu_T[1] = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG2, "T1"); |
2665 |
#endif
|
2666 |
|
2667 |
cc_src = tcg_global_mem_new(TCG_TYPE_PTR, TCG_AREG0, |
2668 |
offsetof(CPUState, cc_src), "cc_src");
|
2669 |
cc_dest = tcg_global_mem_new(TCG_TYPE_PTR, TCG_AREG0, |
2670 |
offsetof(CPUState, cc_dest), |
2671 |
"cc_dest");
|
2672 |
cc_result = tcg_global_mem_new(TCG_TYPE_PTR, TCG_AREG0, |
2673 |
offsetof(CPUState, cc_result), |
2674 |
"cc_result");
|
2675 |
cc_op = tcg_global_mem_new(TCG_TYPE_PTR, TCG_AREG0, |
2676 |
offsetof(CPUState, cc_op), "cc_op");
|
2677 |
cc_size = tcg_global_mem_new(TCG_TYPE_PTR, TCG_AREG0, |
2678 |
offsetof(CPUState, cc_size), |
2679 |
"cc_size");
|
2680 |
cc_mask = tcg_global_mem_new(TCG_TYPE_PTR, TCG_AREG0, |
2681 |
offsetof(CPUState, cc_mask), |
2682 |
"cc_mask");
|
2683 |
|
2684 |
for (i = 0; i < 16; i++) { |
2685 |
cpu_R[i] = tcg_global_mem_new(TCG_TYPE_PTR, TCG_AREG0, |
2686 |
offsetof(CPUState, regs[i]), |
2687 |
regnames[i]); |
2688 |
} |
2689 |
for (i = 0; i < 16; i++) { |
2690 |
cpu_PR[i] = tcg_global_mem_new(TCG_TYPE_PTR, TCG_AREG0, |
2691 |
offsetof(CPUState, pregs[i]), |
2692 |
pregnames[i]); |
2693 |
} |
2694 |
|
2695 |
cpu_reset(env); |
2696 |
return env;
|
2697 |
} |
2698 |
|
2699 |
void cpu_reset (CPUCRISState *env)
|
2700 |
{ |
2701 |
memset(env, 0, offsetof(CPUCRISState, breakpoints));
|
2702 |
tlb_flush(env, 1);
|
2703 |
} |