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* UniCore32 translation
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* Copyright (C) 2010-2011 GUAN Xue-tao
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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/* internal defines */
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typedef struct DisasContext {
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/* Nonzero if this instruction has been conditionally skipped. */
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/* The label that will be jumped to when the instruction is skipped. */
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struct TranslationBlock *tb;
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int singlestep_enabled;
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/* These instructions trap after executing, so defer them until after the
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conditional executions state has been updated. */
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#define DISAS_SYSCALL 5
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static TCGv_ptr cpu_env;
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static TCGv_i32 cpu_R[32];
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/* FIXME: These should be removed. */
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static TCGv cpu_F0s, cpu_F1s;
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static TCGv_i64 cpu_F0d, cpu_F1d;
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#include "gen-icount.h"
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static const char *regnames[] = {
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"r00", "r01", "r02", "r03", "r04", "r05", "r06", "r07",
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"r08", "r09", "r10", "r11", "r12", "r13", "r14", "r15",
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"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
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"r24", "r25", "r26", "r27", "r28", "r29", "r30", "pc" };
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/* initialize TCG globals. */
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void uc32_translate_init(void)
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cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
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for (i = 0; i < 32; i++) {
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cpu_R[i] = tcg_global_mem_new_i32(TCG_AREG0,
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offsetof(CPUState, regs[i]), regnames[i]);
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/* Allocate a temporary variable. */
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static TCGv_i32 new_tmp(void)
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return tcg_temp_new_i32();
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/* Release a temporary variable. */
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static void dead_tmp(TCGv tmp)
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static inline TCGv load_cpu_offset(int offset)
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tcg_gen_ld_i32(tmp, cpu_env, offset);
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#define load_cpu_field(name) load_cpu_offset(offsetof(CPUState, name))
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static inline void store_cpu_offset(TCGv var, int offset)
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tcg_gen_st_i32(var, cpu_env, offset);
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#define store_cpu_field(var, name) \
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store_cpu_offset(var, offsetof(CPUState, name))
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/* Set a variable to the value of a CPU register. */
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static void load_reg_var(DisasContext *s, TCGv var, int reg)
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/* normaly, since we updated PC */
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tcg_gen_movi_i32(var, addr);
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tcg_gen_mov_i32(var, cpu_R[reg]);
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/* Create a new temporary and set it to the value of a CPU register. */
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static inline TCGv load_reg(DisasContext *s, int reg)
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TCGv tmp = new_tmp();
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load_reg_var(s, tmp, reg);
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/* Set a CPU register. The source must be a temporary and will be
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static void store_reg(DisasContext *s, int reg, TCGv var)
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tcg_gen_andi_i32(var, var, ~3);
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s->is_jmp = DISAS_JUMP;
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tcg_gen_mov_i32(cpu_R[reg], var);
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/* Value extensions. */
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#define gen_uxtb(var) tcg_gen_ext8u_i32(var, var)
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#define gen_uxth(var) tcg_gen_ext16u_i32(var, var)
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#define gen_sxtb(var) tcg_gen_ext8s_i32(var, var)
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#define gen_sxth(var) tcg_gen_ext16s_i32(var, var)
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#define UCOP_REG_M (((insn) >> 0) & 0x1f)
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#define UCOP_REG_N (((insn) >> 19) & 0x1f)
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#define UCOP_REG_D (((insn) >> 14) & 0x1f)
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#define UCOP_REG_S (((insn) >> 9) & 0x1f)
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#define UCOP_REG_LO (((insn) >> 14) & 0x1f)
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#define UCOP_REG_HI (((insn) >> 9) & 0x1f)
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#define UCOP_SH_OP (((insn) >> 6) & 0x03)
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#define UCOP_SH_IM (((insn) >> 9) & 0x1f)
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#define UCOP_OPCODES (((insn) >> 25) & 0x0f)
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#define UCOP_IMM_9 (((insn) >> 0) & 0x1ff)
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#define UCOP_IMM10 (((insn) >> 0) & 0x3ff)
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#define UCOP_IMM14 (((insn) >> 0) & 0x3fff)
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#define UCOP_COND (((insn) >> 25) & 0x0f)
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#define UCOP_CMOV_COND (((insn) >> 19) & 0x0f)
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#define UCOP_CPNUM (((insn) >> 10) & 0x0f)
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#define UCOP_UCF64_FMT (((insn) >> 24) & 0x03)
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#define UCOP_UCF64_FUNC (((insn) >> 6) & 0x0f)
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#define UCOP_UCF64_COND (((insn) >> 6) & 0x0f)
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#define UCOP_SET(i) ((insn) & (1 << (i)))
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#define UCOP_SET_P UCOP_SET(28)
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#define UCOP_SET_U UCOP_SET(27)
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#define UCOP_SET_B UCOP_SET(26)
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#define UCOP_SET_W UCOP_SET(25)
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#define UCOP_SET_L UCOP_SET(24)
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#define UCOP_SET_S UCOP_SET(24)
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#define ILLEGAL cpu_abort(env, \
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"Illegal UniCore32 instruction %x at line %d!", \
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static inline void gen_set_asr(TCGv var, uint32_t mask)
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TCGv tmp_mask = tcg_const_i32(mask);
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gen_helper_asr_write(var, tmp_mask);
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tcg_temp_free_i32(tmp_mask);
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/* Set NZCV flags from the high 4 bits of var. */
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#define gen_set_nzcv(var) gen_set_asr(var, ASR_NZCV)
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static void gen_exception(int excp)
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TCGv tmp = new_tmp();
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tcg_gen_movi_i32(tmp, excp);
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gen_helper_exception(tmp);
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/* FIXME: Most targets have native widening multiplication.
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It would be good to use that instead of a full wide multiply. */
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/* 32x32->64 multiply. Marks inputs as dead. */
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static TCGv_i64 gen_mulu_i64_i32(TCGv a, TCGv b)
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TCGv_i64 tmp1 = tcg_temp_new_i64();
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TCGv_i64 tmp2 = tcg_temp_new_i64();
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tcg_gen_extu_i32_i64(tmp1, a);
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tcg_gen_extu_i32_i64(tmp2, b);
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tcg_gen_mul_i64(tmp1, tmp1, tmp2);
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tcg_temp_free_i64(tmp2);
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static TCGv_i64 gen_muls_i64_i32(TCGv a, TCGv b)
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TCGv_i64 tmp1 = tcg_temp_new_i64();
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TCGv_i64 tmp2 = tcg_temp_new_i64();
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tcg_gen_ext_i32_i64(tmp1, a);
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tcg_gen_ext_i32_i64(tmp2, b);
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tcg_gen_mul_i64(tmp1, tmp1, tmp2);
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tcg_temp_free_i64(tmp2);
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#define gen_set_CF(var) tcg_gen_st_i32(var, cpu_env, offsetof(CPUState, CF))
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/* Set CF to the top bit of var. */
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static void gen_set_CF_bit31(TCGv var)
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TCGv tmp = new_tmp();
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tcg_gen_shri_i32(tmp, var, 31);
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/* Set N and Z flags from var. */
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static inline void gen_logic_CC(TCGv var)
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tcg_gen_st_i32(var, cpu_env, offsetof(CPUState, NF));
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tcg_gen_st_i32(var, cpu_env, offsetof(CPUState, ZF));
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/* dest = T0 + T1 + CF. */
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static void gen_add_carry(TCGv dest, TCGv t0, TCGv t1)
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tcg_gen_add_i32(dest, t0, t1);
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tmp = load_cpu_field(CF);
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tcg_gen_add_i32(dest, dest, tmp);
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/* dest = T0 - T1 + CF - 1. */
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static void gen_sub_carry(TCGv dest, TCGv t0, TCGv t1)
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tcg_gen_sub_i32(dest, t0, t1);
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tmp = load_cpu_field(CF);
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tcg_gen_add_i32(dest, dest, tmp);
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tcg_gen_subi_i32(dest, dest, 1);
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static void shifter_out_im(TCGv var, int shift)
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TCGv tmp = new_tmp();
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tcg_gen_andi_i32(tmp, var, 1);
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tcg_gen_shri_i32(tmp, var, shift);
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tcg_gen_andi_i32(tmp, tmp, 1);
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/* Shift by immediate. Includes special handling for shift == 0. */
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static inline void gen_uc32_shift_im(TCGv var, int shiftop, int shift,
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shifter_out_im(var, 32 - shift);
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tcg_gen_shli_i32(var, var, shift);
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tcg_gen_shri_i32(var, var, 31);
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tcg_gen_movi_i32(var, 0);
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shifter_out_im(var, shift - 1);
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tcg_gen_shri_i32(var, var, shift);
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shifter_out_im(var, shift - 1);
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tcg_gen_sari_i32(var, var, shift);
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case 3: /* ROR/RRX */
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shifter_out_im(var, shift - 1);
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tcg_gen_rotri_i32(var, var, shift); break;
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TCGv tmp = load_cpu_field(CF);
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shifter_out_im(var, 0);
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tcg_gen_shri_i32(var, var, 1);
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tcg_gen_shli_i32(tmp, tmp, 31);
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tcg_gen_or_i32(var, var, tmp);
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static inline void gen_uc32_shift_reg(TCGv var, int shiftop,
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TCGv shift, int flags)
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gen_helper_shl_cc(var, var, shift);
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gen_helper_shr_cc(var, var, shift);
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gen_helper_sar_cc(var, var, shift);
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gen_helper_ror_cc(var, var, shift);
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gen_helper_shl(var, var, shift);
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gen_helper_shr(var, var, shift);
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gen_helper_sar(var, var, shift);
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tcg_gen_andi_i32(shift, shift, 0x1f);
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tcg_gen_rotr_i32(var, var, shift);
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static void gen_test_cc(int cc, int label)
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tmp = load_cpu_field(ZF);
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tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label);
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tmp = load_cpu_field(ZF);
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tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, label);
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tmp = load_cpu_field(CF);
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tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, label);
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tmp = load_cpu_field(CF);
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tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label);
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tmp = load_cpu_field(NF);
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tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label);
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tmp = load_cpu_field(NF);
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tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label);
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tmp = load_cpu_field(VF);
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tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label);
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tmp = load_cpu_field(VF);
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tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label);
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case 8: /* hi: C && !Z */
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inv = gen_new_label();
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tmp = load_cpu_field(CF);
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tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, inv);
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tmp = load_cpu_field(ZF);
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tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, label);
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case 9: /* ls: !C || Z */
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tmp = load_cpu_field(CF);
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tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label);
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tmp = load_cpu_field(ZF);
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tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label);
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case 10: /* ge: N == V -> N ^ V == 0 */
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tmp = load_cpu_field(VF);
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tmp2 = load_cpu_field(NF);
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tcg_gen_xor_i32(tmp, tmp, tmp2);
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tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label);
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case 11: /* lt: N != V -> N ^ V != 0 */
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tmp = load_cpu_field(VF);
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tmp2 = load_cpu_field(NF);
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tcg_gen_xor_i32(tmp, tmp, tmp2);
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tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label);
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case 12: /* gt: !Z && N == V */
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inv = gen_new_label();
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tmp = load_cpu_field(ZF);
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tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, inv);
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tmp = load_cpu_field(VF);
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tmp2 = load_cpu_field(NF);
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tcg_gen_xor_i32(tmp, tmp, tmp2);
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tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label);
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case 13: /* le: Z || N != V */
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tmp = load_cpu_field(ZF);
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tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label);
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tmp = load_cpu_field(VF);
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tmp2 = load_cpu_field(NF);
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tcg_gen_xor_i32(tmp, tmp, tmp2);
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tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label);
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fprintf(stderr, "Bad condition code 0x%x\n", cc);
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static const uint8_t table_logic_cc[16] = {
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1, /* and */ 1, /* xor */ 0, /* sub */ 0, /* rsb */
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0, /* add */ 0, /* adc */ 0, /* sbc */ 0, /* rsc */
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1, /* andl */ 1, /* xorl */ 0, /* cmp */ 0, /* cmn */
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1, /* orr */ 1, /* mov */ 1, /* bic */ 1, /* mvn */
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/* Set PC state from an immediate address. */
482
static inline void gen_bx_im(DisasContext *s, uint32_t addr)
484
s->is_jmp = DISAS_UPDATE;
485
tcg_gen_movi_i32(cpu_R[31], addr & ~3);
488
/* Set PC state from var. var is marked as dead. */
489
static inline void gen_bx(DisasContext *s, TCGv var)
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s->is_jmp = DISAS_UPDATE;
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tcg_gen_andi_i32(cpu_R[31], var, ~3);
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static inline void store_reg_bx(DisasContext *s, int reg, TCGv var)
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store_reg(s, reg, var);
501
static inline TCGv gen_ld8s(TCGv addr, int index)
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TCGv tmp = new_tmp();
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tcg_gen_qemu_ld8s(tmp, addr, index);
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static inline TCGv gen_ld8u(TCGv addr, int index)
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TCGv tmp = new_tmp();
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tcg_gen_qemu_ld8u(tmp, addr, index);
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static inline TCGv gen_ld16s(TCGv addr, int index)
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TCGv tmp = new_tmp();
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tcg_gen_qemu_ld16s(tmp, addr, index);
522
static inline TCGv gen_ld16u(TCGv addr, int index)
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TCGv tmp = new_tmp();
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tcg_gen_qemu_ld16u(tmp, addr, index);
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static inline TCGv gen_ld32(TCGv addr, int index)
531
TCGv tmp = new_tmp();
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tcg_gen_qemu_ld32u(tmp, addr, index);
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static inline TCGv_i64 gen_ld64(TCGv addr, int index)
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TCGv_i64 tmp = tcg_temp_new_i64();
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tcg_gen_qemu_ld64(tmp, addr, index);
543
static inline void gen_st8(TCGv val, TCGv addr, int index)
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tcg_gen_qemu_st8(val, addr, index);
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static inline void gen_st16(TCGv val, TCGv addr, int index)
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tcg_gen_qemu_st16(val, addr, index);
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static inline void gen_st32(TCGv val, TCGv addr, int index)
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tcg_gen_qemu_st32(val, addr, index);
561
static inline void gen_st64(TCGv_i64 val, TCGv addr, int index)
563
tcg_gen_qemu_st64(val, addr, index);
564
tcg_temp_free_i64(val);
567
static inline void gen_set_pc_im(uint32_t val)
569
tcg_gen_movi_i32(cpu_R[31], val);
572
/* Force a TB lookup after an instruction that changes the CPU state. */
573
static inline void gen_lookup_tb(DisasContext *s)
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tcg_gen_movi_i32(cpu_R[31], s->pc & ~1);
576
s->is_jmp = DISAS_UPDATE;
579
static inline void gen_add_data_offset(DisasContext *s, unsigned int insn,
592
tcg_gen_addi_i32(var, var, val);
596
offset = load_reg(s, UCOP_REG_M);
597
gen_uc32_shift_im(offset, UCOP_SH_OP, UCOP_SH_IM, 0);
599
tcg_gen_sub_i32(var, var, offset);
601
tcg_gen_add_i32(var, var, offset);
607
static inline void gen_add_datah_offset(DisasContext *s, unsigned int insn,
615
val = (insn & 0x1f) | ((insn >> 4) & 0x3e0);
620
tcg_gen_addi_i32(var, var, val);
624
offset = load_reg(s, UCOP_REG_M);
626
tcg_gen_sub_i32(var, var, offset);
628
tcg_gen_add_i32(var, var, offset);
634
static inline long ucf64_reg_offset(int reg)
637
return offsetof(CPUState, ucf64.regs[reg >> 1])
638
+ offsetof(CPU_DoubleU, l.upper);
640
return offsetof(CPUState, ucf64.regs[reg >> 1])
641
+ offsetof(CPU_DoubleU, l.lower);
645
#define ucf64_gen_ld32(reg) load_cpu_offset(ucf64_reg_offset(reg))
646
#define ucf64_gen_st32(var, reg) store_cpu_offset(var, ucf64_reg_offset(reg))
648
/* UniCore-F64 single load/store I_offset */
649
static void do_ucf64_ldst_i(CPUState *env, DisasContext *s, uint32_t insn)
655
addr = load_reg(s, UCOP_REG_N);
656
if (!UCOP_SET_P && !UCOP_SET_W) {
661
offset = UCOP_IMM10 << 2;
666
tcg_gen_addi_i32(addr, addr, offset);
670
if (UCOP_SET_L) { /* load */
671
tmp = gen_ld32(addr, IS_USER(s));
672
ucf64_gen_st32(tmp, UCOP_REG_D);
674
tmp = ucf64_gen_ld32(UCOP_REG_D);
675
gen_st32(tmp, addr, IS_USER(s));
679
offset = UCOP_IMM10 << 2;
684
tcg_gen_addi_i32(addr, addr, offset);
688
store_reg(s, UCOP_REG_N, addr);
694
/* UniCore-F64 load/store multiple words */
695
static void do_ucf64_ldst_m(CPUState *env, DisasContext *s, uint32_t insn)
702
if (UCOP_REG_D != 0) {
705
if (UCOP_REG_N == 31) {
708
if ((insn << 24) == 0) {
712
addr = load_reg(s, UCOP_REG_N);
715
for (i = 0; i < 8; i++) {
722
if (UCOP_SET_P) { /* pre increment */
723
tcg_gen_addi_i32(addr, addr, 4);
724
} /* unnecessary to do anything when post increment */
726
if (UCOP_SET_P) { /* pre decrement */
727
tcg_gen_addi_i32(addr, addr, -(n * 4));
728
} else { /* post decrement */
730
tcg_gen_addi_i32(addr, addr, -((n - 1) * 4));
735
freg = ((insn >> 8) & 3) << 3; /* freg should be 0, 8, 16, 24 */
737
for (i = 0, j = 0; i < 8; i++, freg++) {
742
if (UCOP_SET_L) { /* load */
743
tmp = gen_ld32(addr, IS_USER(s));
744
ucf64_gen_st32(tmp, freg);
746
tmp = ucf64_gen_ld32(freg);
747
gen_st32(tmp, addr, IS_USER(s));
751
/* unnecessary to add after the last transfer */
753
tcg_gen_addi_i32(addr, addr, 4);
757
if (UCOP_SET_W) { /* write back */
759
if (!UCOP_SET_P) { /* post increment */
760
tcg_gen_addi_i32(addr, addr, 4);
761
} /* unnecessary to do anything when pre increment */
766
tcg_gen_addi_i32(addr, addr, -((n - 1) * 4));
770
tcg_gen_addi_i32(addr, addr, -(n * 4));
773
store_reg(s, UCOP_REG_N, addr);
779
/* UniCore-F64 mrc/mcr */
780
static void do_ucf64_trans(CPUState *env, DisasContext *s, uint32_t insn)
784
if ((insn & 0xfe0003ff) == 0xe2000000) {
785
/* control register */
786
if ((UCOP_REG_N != UC32_UCF64_FPSCR) || (UCOP_REG_D == 31)) {
792
gen_helper_ucf64_get_fpscr(tmp, cpu_env);
793
store_reg(s, UCOP_REG_D, tmp);
796
tmp = load_reg(s, UCOP_REG_D);
797
gen_helper_ucf64_set_fpscr(cpu_env, tmp);
803
if ((insn & 0xfe0003ff) == 0xe0000000) {
804
/* general register */
805
if (UCOP_REG_D == 31) {
808
if (UCOP_SET(24)) { /* MFF */
809
tmp = ucf64_gen_ld32(UCOP_REG_N);
810
store_reg(s, UCOP_REG_D, tmp);
812
tmp = load_reg(s, UCOP_REG_D);
813
ucf64_gen_st32(tmp, UCOP_REG_N);
817
if ((insn & 0xfb000000) == 0xe9000000) {
819
if (UCOP_REG_D != 31) {
822
if (UCOP_UCF64_COND & 0x8) {
827
tcg_gen_movi_i32(tmp, UCOP_UCF64_COND);
829
tcg_gen_ld_i64(cpu_F0d, cpu_env, ucf64_reg_offset(UCOP_REG_N));
830
tcg_gen_ld_i64(cpu_F1d, cpu_env, ucf64_reg_offset(UCOP_REG_M));
831
gen_helper_ucf64_cmpd(cpu_F0d, cpu_F1d, tmp, cpu_env);
833
tcg_gen_ld_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_N));
834
tcg_gen_ld_i32(cpu_F1s, cpu_env, ucf64_reg_offset(UCOP_REG_M));
835
gen_helper_ucf64_cmps(cpu_F0s, cpu_F1s, tmp, cpu_env);
843
/* UniCore-F64 convert instructions */
844
static void do_ucf64_fcvt(CPUState *env, DisasContext *s, uint32_t insn)
846
if (UCOP_UCF64_FMT == 3) {
849
if (UCOP_REG_N != 0) {
852
switch (UCOP_UCF64_FUNC) {
854
switch (UCOP_UCF64_FMT) {
856
tcg_gen_ld_i64(cpu_F0d, cpu_env, ucf64_reg_offset(UCOP_REG_M));
857
gen_helper_ucf64_df2sf(cpu_F0s, cpu_F0d, cpu_env);
858
tcg_gen_st_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_D));
861
tcg_gen_ld_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_M));
862
gen_helper_ucf64_si2sf(cpu_F0s, cpu_F0s, cpu_env);
863
tcg_gen_st_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_D));
871
switch (UCOP_UCF64_FMT) {
873
tcg_gen_ld_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_M));
874
gen_helper_ucf64_sf2df(cpu_F0d, cpu_F0s, cpu_env);
875
tcg_gen_st_i64(cpu_F0d, cpu_env, ucf64_reg_offset(UCOP_REG_D));
878
tcg_gen_ld_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_M));
879
gen_helper_ucf64_si2df(cpu_F0d, cpu_F0s, cpu_env);
880
tcg_gen_st_i64(cpu_F0d, cpu_env, ucf64_reg_offset(UCOP_REG_D));
888
switch (UCOP_UCF64_FMT) {
890
tcg_gen_ld_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_M));
891
gen_helper_ucf64_sf2si(cpu_F0s, cpu_F0s, cpu_env);
892
tcg_gen_st_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_D));
895
tcg_gen_ld_i64(cpu_F0d, cpu_env, ucf64_reg_offset(UCOP_REG_M));
896
gen_helper_ucf64_df2si(cpu_F0s, cpu_F0d, cpu_env);
897
tcg_gen_st_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_D));
909
/* UniCore-F64 compare instructions */
910
static void do_ucf64_fcmp(CPUState *env, DisasContext *s, uint32_t insn)
915
if (UCOP_REG_D != 0) {
921
tcg_gen_ld_i64(cpu_F0d, cpu_env, ucf64_reg_offset(UCOP_REG_N));
922
tcg_gen_ld_i64(cpu_F1d, cpu_env, ucf64_reg_offset(UCOP_REG_M));
923
/* gen_helper_ucf64_cmpd(cpu_F0d, cpu_F1d, cpu_env); */
925
tcg_gen_ld_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_N));
926
tcg_gen_ld_i32(cpu_F1s, cpu_env, ucf64_reg_offset(UCOP_REG_M));
927
/* gen_helper_ucf64_cmps(cpu_F0s, cpu_F1s, cpu_env); */
931
#define gen_helper_ucf64_movs(x, y) do { } while (0)
932
#define gen_helper_ucf64_movd(x, y) do { } while (0)
934
#define UCF64_OP1(name) do { \
935
if (UCOP_REG_N != 0) { \
938
switch (UCOP_UCF64_FMT) { \
940
tcg_gen_ld_i32(cpu_F0s, cpu_env, \
941
ucf64_reg_offset(UCOP_REG_M)); \
942
gen_helper_ucf64_##name##s(cpu_F0s, cpu_F0s); \
943
tcg_gen_st_i32(cpu_F0s, cpu_env, \
944
ucf64_reg_offset(UCOP_REG_D)); \
947
tcg_gen_ld_i64(cpu_F0d, cpu_env, \
948
ucf64_reg_offset(UCOP_REG_M)); \
949
gen_helper_ucf64_##name##d(cpu_F0d, cpu_F0d); \
950
tcg_gen_st_i64(cpu_F0d, cpu_env, \
951
ucf64_reg_offset(UCOP_REG_D)); \
959
#define UCF64_OP2(name) do { \
960
switch (UCOP_UCF64_FMT) { \
962
tcg_gen_ld_i32(cpu_F0s, cpu_env, \
963
ucf64_reg_offset(UCOP_REG_N)); \
964
tcg_gen_ld_i32(cpu_F1s, cpu_env, \
965
ucf64_reg_offset(UCOP_REG_M)); \
966
gen_helper_ucf64_##name##s(cpu_F0s, \
967
cpu_F0s, cpu_F1s, cpu_env); \
968
tcg_gen_st_i32(cpu_F0s, cpu_env, \
969
ucf64_reg_offset(UCOP_REG_D)); \
972
tcg_gen_ld_i64(cpu_F0d, cpu_env, \
973
ucf64_reg_offset(UCOP_REG_N)); \
974
tcg_gen_ld_i64(cpu_F1d, cpu_env, \
975
ucf64_reg_offset(UCOP_REG_M)); \
976
gen_helper_ucf64_##name##d(cpu_F0d, \
977
cpu_F0d, cpu_F1d, cpu_env); \
978
tcg_gen_st_i64(cpu_F0d, cpu_env, \
979
ucf64_reg_offset(UCOP_REG_D)); \
987
/* UniCore-F64 data processing */
988
static void do_ucf64_datap(CPUState *env, DisasContext *s, uint32_t insn)
990
if (UCOP_UCF64_FMT == 3) {
993
switch (UCOP_UCF64_FUNC) {
1020
/* Disassemble an F64 instruction */
1021
static void disas_ucf64_insn(CPUState *env, DisasContext *s, uint32_t insn)
1023
if (!UCOP_SET(29)) {
1025
do_ucf64_ldst_m(env, s, insn);
1027
do_ucf64_ldst_i(env, s, insn);
1031
switch ((insn >> 26) & 0x3) {
1033
do_ucf64_datap(env, s, insn);
1039
do_ucf64_fcvt(env, s, insn);
1042
do_ucf64_fcmp(env, s, insn);
1046
do_ucf64_trans(env, s, insn);
1051
static inline void gen_goto_tb(DisasContext *s, int n, uint32_t dest)
1053
TranslationBlock *tb;
1056
if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) {
1058
gen_set_pc_im(dest);
1059
tcg_gen_exit_tb((tcg_target_long)tb + n);
1061
gen_set_pc_im(dest);
1066
static inline void gen_jmp(DisasContext *s, uint32_t dest)
1068
if (unlikely(s->singlestep_enabled)) {
1069
/* An indirect jump so that we still trigger the debug exception. */
1072
gen_goto_tb(s, 0, dest);
1073
s->is_jmp = DISAS_TB_JUMP;
1077
static inline void gen_mulxy(TCGv t0, TCGv t1, int x, int y)
1080
tcg_gen_sari_i32(t0, t0, 16);
1085
tcg_gen_sari_i32(t1, t1, 16);
1089
tcg_gen_mul_i32(t0, t0, t1);
1092
/* Returns nonzero if access to the PSR is not permitted. Marks t0 as dead. */
1093
static int gen_set_psr(DisasContext *s, uint32_t mask, int bsr, TCGv t0)
1097
/* ??? This is also undefined in system mode. */
1102
tmp = load_cpu_field(bsr);
1103
tcg_gen_andi_i32(tmp, tmp, ~mask);
1104
tcg_gen_andi_i32(t0, t0, mask);
1105
tcg_gen_or_i32(tmp, tmp, t0);
1106
store_cpu_field(tmp, bsr);
1108
gen_set_asr(t0, mask);
1115
/* Generate an old-style exception return. Marks pc as dead. */
1116
static void gen_exception_return(DisasContext *s, TCGv pc)
1119
store_reg(s, 31, pc);
1120
tmp = load_cpu_field(bsr);
1121
gen_set_asr(tmp, 0xffffffff);
1123
s->is_jmp = DISAS_UPDATE;
1126
static void disas_coproc_insn(CPUState *env, DisasContext *s, uint32_t insn)
1128
switch (UCOP_CPNUM) {
1130
disas_ucf64_insn(env, s, insn);
1133
/* Unknown coprocessor. */
1134
cpu_abort(env, "Unknown coprocessor!");
1139
/* Store a 64-bit value to a register pair. Clobbers val. */
1140
static void gen_storeq_reg(DisasContext *s, int rlow, int rhigh, TCGv_i64 val)
1144
tcg_gen_trunc_i64_i32(tmp, val);
1145
store_reg(s, rlow, tmp);
1147
tcg_gen_shri_i64(val, val, 32);
1148
tcg_gen_trunc_i64_i32(tmp, val);
1149
store_reg(s, rhigh, tmp);
1152
/* load and add a 64-bit value from a register pair. */
1153
static void gen_addq(DisasContext *s, TCGv_i64 val, int rlow, int rhigh)
1159
/* Load 64-bit value rd:rn. */
1160
tmpl = load_reg(s, rlow);
1161
tmph = load_reg(s, rhigh);
1162
tmp = tcg_temp_new_i64();
1163
tcg_gen_concat_i32_i64(tmp, tmpl, tmph);
1166
tcg_gen_add_i64(val, val, tmp);
1167
tcg_temp_free_i64(tmp);
1170
/* data processing instructions */
1171
static void do_datap(CPUState *env, DisasContext *s, uint32_t insn)
1177
if (UCOP_OPCODES == 0x0f || UCOP_OPCODES == 0x0d) {
1178
if (UCOP_SET(23)) { /* CMOV instructions */
1179
if ((UCOP_CMOV_COND == 0xe) || (UCOP_CMOV_COND == 0xf)) {
1182
/* if not always execute, we generate a conditional jump to
1184
s->condlabel = gen_new_label();
1185
gen_test_cc(UCOP_CMOV_COND ^ 1, s->condlabel);
1190
logic_cc = table_logic_cc[UCOP_OPCODES] & (UCOP_SET_S >> 24);
1194
/* immediate operand */
1197
val = (val >> UCOP_SH_IM) | (val << (32 - UCOP_SH_IM));
1200
tcg_gen_movi_i32(tmp2, val);
1201
if (logic_cc && UCOP_SH_IM) {
1202
gen_set_CF_bit31(tmp2);
1206
tmp2 = load_reg(s, UCOP_REG_M);
1208
tmp = load_reg(s, UCOP_REG_S);
1209
gen_uc32_shift_reg(tmp2, UCOP_SH_OP, tmp, logic_cc);
1211
gen_uc32_shift_im(tmp2, UCOP_SH_OP, UCOP_SH_IM, logic_cc);
1215
if (UCOP_OPCODES != 0x0f && UCOP_OPCODES != 0x0d) {
1216
tmp = load_reg(s, UCOP_REG_N);
1221
switch (UCOP_OPCODES) {
1223
tcg_gen_and_i32(tmp, tmp, tmp2);
1227
store_reg_bx(s, UCOP_REG_D, tmp);
1230
tcg_gen_xor_i32(tmp, tmp, tmp2);
1234
store_reg_bx(s, UCOP_REG_D, tmp);
1237
if (UCOP_SET_S && UCOP_REG_D == 31) {
1238
/* SUBS r31, ... is used for exception return. */
1242
gen_helper_sub_cc(tmp, tmp, tmp2);
1243
gen_exception_return(s, tmp);
1246
gen_helper_sub_cc(tmp, tmp, tmp2);
1248
tcg_gen_sub_i32(tmp, tmp, tmp2);
1250
store_reg_bx(s, UCOP_REG_D, tmp);
1255
gen_helper_sub_cc(tmp, tmp2, tmp);
1257
tcg_gen_sub_i32(tmp, tmp2, tmp);
1259
store_reg_bx(s, UCOP_REG_D, tmp);
1263
gen_helper_add_cc(tmp, tmp, tmp2);
1265
tcg_gen_add_i32(tmp, tmp, tmp2);
1267
store_reg_bx(s, UCOP_REG_D, tmp);
1271
gen_helper_adc_cc(tmp, tmp, tmp2);
1273
gen_add_carry(tmp, tmp, tmp2);
1275
store_reg_bx(s, UCOP_REG_D, tmp);
1279
gen_helper_sbc_cc(tmp, tmp, tmp2);
1281
gen_sub_carry(tmp, tmp, tmp2);
1283
store_reg_bx(s, UCOP_REG_D, tmp);
1287
gen_helper_sbc_cc(tmp, tmp2, tmp);
1289
gen_sub_carry(tmp, tmp2, tmp);
1291
store_reg_bx(s, UCOP_REG_D, tmp);
1295
tcg_gen_and_i32(tmp, tmp, tmp2);
1302
tcg_gen_xor_i32(tmp, tmp, tmp2);
1309
gen_helper_sub_cc(tmp, tmp, tmp2);
1315
gen_helper_add_cc(tmp, tmp, tmp2);
1320
tcg_gen_or_i32(tmp, tmp, tmp2);
1324
store_reg_bx(s, UCOP_REG_D, tmp);
1327
if (logic_cc && UCOP_REG_D == 31) {
1328
/* MOVS r31, ... is used for exception return. */
1332
gen_exception_return(s, tmp2);
1337
store_reg_bx(s, UCOP_REG_D, tmp2);
1341
tcg_gen_andc_i32(tmp, tmp, tmp2);
1345
store_reg_bx(s, UCOP_REG_D, tmp);
1349
tcg_gen_not_i32(tmp2, tmp2);
1353
store_reg_bx(s, UCOP_REG_D, tmp2);
1356
if (UCOP_OPCODES != 0x0f && UCOP_OPCODES != 0x0d) {
1362
static void do_mult(CPUState *env, DisasContext *s, uint32_t insn)
1370
tmp = load_reg(s, UCOP_REG_M);
1371
tmp2 = load_reg(s, UCOP_REG_N);
1373
tmp64 = gen_muls_i64_i32(tmp, tmp2);
1375
tmp64 = gen_mulu_i64_i32(tmp, tmp2);
1377
if (UCOP_SET(25)) { /* mult accumulate */
1378
gen_addq(s, tmp64, UCOP_REG_LO, UCOP_REG_HI);
1380
gen_storeq_reg(s, UCOP_REG_LO, UCOP_REG_HI, tmp64);
1381
tcg_temp_free_i64(tmp64);
1384
tmp = load_reg(s, UCOP_REG_M);
1385
tmp2 = load_reg(s, UCOP_REG_N);
1386
tcg_gen_mul_i32(tmp, tmp, tmp2);
1390
tmp2 = load_reg(s, UCOP_REG_S);
1391
tcg_gen_add_i32(tmp, tmp, tmp2);
1397
store_reg(s, UCOP_REG_D, tmp);
1401
/* miscellaneous instructions */
1402
static void do_misc(CPUState *env, DisasContext *s, uint32_t insn)
1407
if ((insn & 0xffffffe0) == 0x10ffc120) {
1408
/* Trivial implementation equivalent to bx. */
1409
tmp = load_reg(s, UCOP_REG_M);
1414
if ((insn & 0xfbffc000) == 0x30ffc000) {
1415
/* PSR = immediate */
1418
val = (val >> UCOP_SH_IM) | (val << (32 - UCOP_SH_IM));
1421
tcg_gen_movi_i32(tmp, val);
1422
if (gen_set_psr(s, ~ASR_RESERVED, UCOP_SET_B, tmp)) {
1428
if ((insn & 0xfbffffe0) == 0x12ffc020) {
1429
/* PSR.flag = reg */
1430
tmp = load_reg(s, UCOP_REG_M);
1431
if (gen_set_psr(s, ASR_NZCV, UCOP_SET_B, tmp)) {
1437
if ((insn & 0xfbffffe0) == 0x10ffc020) {
1439
tmp = load_reg(s, UCOP_REG_M);
1440
if (gen_set_psr(s, ~ASR_RESERVED, UCOP_SET_B, tmp)) {
1446
if ((insn & 0xfbf83fff) == 0x10f80000) {
1452
tmp = load_cpu_field(bsr);
1455
gen_helper_asr_read(tmp);
1457
store_reg(s, UCOP_REG_D, tmp);
1461
if ((insn & 0xfbf83fe0) == 0x12f80120) {
1463
tmp = load_reg(s, UCOP_REG_M);
1465
gen_helper_clo(tmp, tmp);
1467
gen_helper_clz(tmp, tmp);
1469
store_reg(s, UCOP_REG_D, tmp);
1477
/* load/store I_offset and R_offset */
1478
static void do_ldst_ir(CPUState *env, DisasContext *s, uint32_t insn)
1484
tmp2 = load_reg(s, UCOP_REG_N);
1485
i = (IS_USER(s) || (!UCOP_SET_P && UCOP_SET_W));
1489
gen_add_data_offset(s, insn, tmp2);
1495
tmp = gen_ld8u(tmp2, i);
1497
tmp = gen_ld32(tmp2, i);
1501
tmp = load_reg(s, UCOP_REG_D);
1503
gen_st8(tmp, tmp2, i);
1505
gen_st32(tmp, tmp2, i);
1509
gen_add_data_offset(s, insn, tmp2);
1510
store_reg(s, UCOP_REG_N, tmp2);
1511
} else if (UCOP_SET_W) {
1512
store_reg(s, UCOP_REG_N, tmp2);
1517
/* Complete the load. */
1518
if (UCOP_REG_D == 31) {
1521
store_reg(s, UCOP_REG_D, tmp);
1526
/* SWP instruction */
1527
static void do_swap(CPUState *env, DisasContext *s, uint32_t insn)
1533
if ((insn & 0xff003fe0) != 0x40000120) {
1537
/* ??? This is not really atomic. However we know
1538
we never have multiple CPUs running in parallel,
1539
so it is good enough. */
1540
addr = load_reg(s, UCOP_REG_N);
1541
tmp = load_reg(s, UCOP_REG_M);
1543
tmp2 = gen_ld8u(addr, IS_USER(s));
1544
gen_st8(tmp, addr, IS_USER(s));
1546
tmp2 = gen_ld32(addr, IS_USER(s));
1547
gen_st32(tmp, addr, IS_USER(s));
1550
store_reg(s, UCOP_REG_D, tmp2);
1553
/* load/store hw/sb */
1554
static void do_ldst_hwsb(CPUState *env, DisasContext *s, uint32_t insn)
1559
if (UCOP_SH_OP == 0) {
1560
do_swap(env, s, insn);
1564
addr = load_reg(s, UCOP_REG_N);
1566
gen_add_datah_offset(s, insn, addr);
1569
if (UCOP_SET_L) { /* load */
1570
switch (UCOP_SH_OP) {
1572
tmp = gen_ld16u(addr, IS_USER(s));
1575
tmp = gen_ld8s(addr, IS_USER(s));
1577
default: /* see do_swap */
1579
tmp = gen_ld16s(addr, IS_USER(s));
1582
} else { /* store */
1583
if (UCOP_SH_OP != 1) {
1586
tmp = load_reg(s, UCOP_REG_D);
1587
gen_st16(tmp, addr, IS_USER(s));
1589
/* Perform base writeback before the loaded value to
1590
ensure correct behavior with overlapping index registers. */
1592
gen_add_datah_offset(s, insn, addr);
1593
store_reg(s, UCOP_REG_N, addr);
1594
} else if (UCOP_SET_W) {
1595
store_reg(s, UCOP_REG_N, addr);
1600
/* Complete the load. */
1601
store_reg(s, UCOP_REG_D, tmp);
1605
/* load/store multiple words */
1606
static void do_ldst_m(CPUState *env, DisasContext *s, uint32_t insn)
1608
unsigned int val, i;
1609
int j, n, reg, user, loaded_base;
1618
/* XXX: store correct base if write back */
1620
if (UCOP_SET_B) { /* S bit in instruction table */
1622
ILLEGAL; /* only usable in supervisor mode */
1624
if (UCOP_SET(18) == 0) { /* pc reg */
1629
addr = load_reg(s, UCOP_REG_N);
1631
/* compute total size */
1633
TCGV_UNUSED(loaded_var);
1635
for (i = 0; i < 6; i++) {
1640
for (i = 9; i < 19; i++) {
1645
/* XXX: test invalid n == 0 case ? */
1649
tcg_gen_addi_i32(addr, addr, 4);
1651
/* post increment */
1656
tcg_gen_addi_i32(addr, addr, -(n * 4));
1658
/* post decrement */
1660
tcg_gen_addi_i32(addr, addr, -((n - 1) * 4));
1666
reg = UCOP_SET(6) ? 16 : 0;
1667
for (i = 0; i < 19; i++, reg++) {
1672
if (UCOP_SET_L) { /* load */
1673
tmp = gen_ld32(addr, IS_USER(s));
1677
tmp2 = tcg_const_i32(reg);
1678
gen_helper_set_user_reg(tmp2, tmp);
1679
tcg_temp_free_i32(tmp2);
1681
} else if (reg == UCOP_REG_N) {
1685
store_reg(s, reg, tmp);
1687
} else { /* store */
1689
/* special case: r31 = PC + 4 */
1692
tcg_gen_movi_i32(tmp, val);
1695
tmp2 = tcg_const_i32(reg);
1696
gen_helper_get_user_reg(tmp, tmp2);
1697
tcg_temp_free_i32(tmp2);
1699
tmp = load_reg(s, reg);
1701
gen_st32(tmp, addr, IS_USER(s));
1704
/* no need to add after the last transfer */
1706
tcg_gen_addi_i32(addr, addr, 4);
1710
if (UCOP_SET_W) { /* write back */
1715
/* post increment */
1716
tcg_gen_addi_i32(addr, addr, 4);
1722
tcg_gen_addi_i32(addr, addr, -((n - 1) * 4));
1725
/* post decrement */
1726
tcg_gen_addi_i32(addr, addr, -(n * 4));
1729
store_reg(s, UCOP_REG_N, addr);
1734
store_reg(s, UCOP_REG_N, loaded_var);
1736
if (UCOP_SET_B && !user) {
1737
/* Restore ASR from BSR. */
1738
tmp = load_cpu_field(bsr);
1739
gen_set_asr(tmp, 0xffffffff);
1741
s->is_jmp = DISAS_UPDATE;
1745
/* branch (and link) */
1746
static void do_branch(CPUState *env, DisasContext *s, uint32_t insn)
1752
if (UCOP_COND == 0xf) {
1756
if (UCOP_COND != 0xe) {
1757
/* if not always execute, we generate a conditional jump to
1759
s->condlabel = gen_new_label();
1760
gen_test_cc(UCOP_COND ^ 1, s->condlabel);
1764
val = (int32_t)s->pc;
1767
tcg_gen_movi_i32(tmp, val);
1768
store_reg(s, 30, tmp);
1770
offset = (((int32_t)insn << 8) >> 8);
1771
val += (offset << 2); /* unicore is pc+4 */
1775
static void disas_uc32_insn(CPUState *env, DisasContext *s)
1779
insn = ldl_code(s->pc);
1782
/* UniCore instructions class:
1783
* AAAB BBBC xxxx xxxx xxxx xxxD xxEx xxxx
1784
* AAA : see switch case
1785
* BBBB : opcodes or cond or PUBW
1790
switch (insn >> 29) {
1792
if (UCOP_SET(5) && UCOP_SET(8) && !UCOP_SET(28)) {
1793
do_mult(env, s, insn);
1798
do_misc(env, s, insn);
1802
if (((UCOP_OPCODES >> 2) == 2) && !UCOP_SET_S) {
1803
do_misc(env, s, insn);
1806
do_datap(env, s, insn);
1810
if (UCOP_SET(8) && UCOP_SET(5)) {
1811
do_ldst_hwsb(env, s, insn);
1814
if (UCOP_SET(8) || UCOP_SET(5)) {
1818
do_ldst_ir(env, s, insn);
1823
ILLEGAL; /* extended instructions */
1825
do_ldst_m(env, s, insn);
1828
do_branch(env, s, insn);
1832
disas_coproc_insn(env, s, insn);
1835
if (!UCOP_SET(28)) {
1836
disas_coproc_insn(env, s, insn);
1839
if ((insn & 0xff000000) == 0xff000000) { /* syscall */
1840
gen_set_pc_im(s->pc);
1841
s->is_jmp = DISAS_SYSCALL;
1850
/* generate intermediate code in gen_opc_buf and gen_opparam_buf for
1851
basic block 'tb'. If search_pc is TRUE, also generate PC
1852
information for each intermediate instruction. */
1853
static inline void gen_intermediate_code_internal(CPUState *env,
1854
TranslationBlock *tb, int search_pc)
1856
DisasContext dc1, *dc = &dc1;
1858
uint16_t *gen_opc_end;
1860
target_ulong pc_start;
1861
uint32_t next_page_start;
1865
/* generate intermediate code */
1872
gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
1874
dc->is_jmp = DISAS_NEXT;
1876
dc->singlestep_enabled = env->singlestep_enabled;
1878
cpu_F0s = tcg_temp_new_i32();
1879
cpu_F1s = tcg_temp_new_i32();
1880
cpu_F0d = tcg_temp_new_i64();
1881
cpu_F1d = tcg_temp_new_i64();
1882
next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE;
1885
max_insns = tb->cflags & CF_COUNT_MASK;
1886
if (max_insns == 0) {
1887
max_insns = CF_COUNT_MASK;
1892
if (unlikely(!QTAILQ_EMPTY(&env->breakpoints))) {
1893
QTAILQ_FOREACH(bp, &env->breakpoints, entry) {
1894
if (bp->pc == dc->pc) {
1895
gen_set_pc_im(dc->pc);
1896
gen_exception(EXCP_DEBUG);
1897
dc->is_jmp = DISAS_JUMP;
1898
/* Advance PC so that clearing the breakpoint will
1899
invalidate this TB. */
1900
dc->pc += 2; /* FIXME */
1901
goto done_generating;
1907
j = gen_opc_ptr - gen_opc_buf;
1911
gen_opc_instr_start[lj++] = 0;
1914
gen_opc_pc[lj] = dc->pc;
1915
gen_opc_instr_start[lj] = 1;
1916
gen_opc_icount[lj] = num_insns;
1919
if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) {
1923
disas_uc32_insn(env, dc);
1926
fprintf(stderr, "Internal resource leak before %08x\n", dc->pc);
1930
if (dc->condjmp && !dc->is_jmp) {
1931
gen_set_label(dc->condlabel);
1934
/* Translation stops when a conditional branch is encountered.
1935
* Otherwise the subsequent code could get translated several times.
1936
* Also stop translation when a page boundary is reached. This
1937
* ensures prefetch aborts occur at the right place. */
1939
} while (!dc->is_jmp && gen_opc_ptr < gen_opc_end &&
1940
!env->singlestep_enabled &&
1942
dc->pc < next_page_start &&
1943
num_insns < max_insns);
1945
if (tb->cflags & CF_LAST_IO) {
1947
/* FIXME: This can theoretically happen with self-modifying
1949
cpu_abort(env, "IO on conditional branch instruction");
1954
/* At this stage dc->condjmp will only be set when the skipped
1955
instruction was a conditional branch or trap, and the PC has
1956
already been written. */
1957
if (unlikely(env->singlestep_enabled)) {
1958
/* Make sure the pc is updated, and raise a debug exception. */
1960
if (dc->is_jmp == DISAS_SYSCALL) {
1961
gen_exception(UC32_EXCP_PRIV);
1963
gen_exception(EXCP_DEBUG);
1965
gen_set_label(dc->condlabel);
1967
if (dc->condjmp || !dc->is_jmp) {
1968
gen_set_pc_im(dc->pc);
1971
if (dc->is_jmp == DISAS_SYSCALL && !dc->condjmp) {
1972
gen_exception(UC32_EXCP_PRIV);
1974
gen_exception(EXCP_DEBUG);
1977
/* While branches must always occur at the end of an IT block,
1978
there are a few other things that can cause us to terminate
1979
the TB in the middel of an IT block:
1980
- Exception generating instructions (bkpt, swi, undefined).
1982
- Hardware watchpoints.
1983
Hardware breakpoints have already been handled and skip this code.
1985
switch (dc->is_jmp) {
1987
gen_goto_tb(dc, 1, dc->pc);
1992
/* indicate that the hash table must be used to find the next TB */
1996
/* nothing more to generate */
1999
gen_exception(UC32_EXCP_PRIV);
2003
gen_set_label(dc->condlabel);
2004
gen_goto_tb(dc, 1, dc->pc);
2010
gen_icount_end(tb, num_insns);
2011
*gen_opc_ptr = INDEX_op_end;
2014
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
2015
qemu_log("----------------\n");
2016
qemu_log("IN: %s\n", lookup_symbol(pc_start));
2017
log_target_disas(pc_start, dc->pc - pc_start, 0);
2022
j = gen_opc_ptr - gen_opc_buf;
2025
gen_opc_instr_start[lj++] = 0;
2028
tb->size = dc->pc - pc_start;
2029
tb->icount = num_insns;
2033
void gen_intermediate_code(CPUState *env, TranslationBlock *tb)
2035
gen_intermediate_code_internal(env, tb, 0);
2038
void gen_intermediate_code_pc(CPUState *env, TranslationBlock *tb)
2040
gen_intermediate_code_internal(env, tb, 1);
2043
static const char *cpu_mode_names[16] = {
2044
"USER", "REAL", "INTR", "PRIV", "UM14", "UM15", "UM16", "TRAP",
2045
"UM18", "UM19", "UM1A", "EXTN", "UM1C", "UM1D", "UM1E", "SUSR"
2048
#define UCF64_DUMP_STATE
2049
void cpu_dump_state(CPUState *env, FILE *f, fprintf_function cpu_fprintf,
2053
#ifdef UCF64_DUMP_STATE
2059
/* ??? This assumes float64 and double have the same layout.
2060
Oh well, it's only debug dumps. */
2068
for (i = 0; i < 32; i++) {
2069
cpu_fprintf(f, "R%02d=%08x", i, env->regs[i]);
2071
cpu_fprintf(f, "\n");
2073
cpu_fprintf(f, " ");
2076
psr = cpu_asr_read(env);
2077
cpu_fprintf(f, "PSR=%08x %c%c%c%c %s\n",
2079
psr & (1 << 31) ? 'N' : '-',
2080
psr & (1 << 30) ? 'Z' : '-',
2081
psr & (1 << 29) ? 'C' : '-',
2082
psr & (1 << 28) ? 'V' : '-',
2083
cpu_mode_names[psr & 0xf]);
2085
#ifdef UCF64_DUMP_STATE
2086
for (i = 0; i < 16; i++) {
2087
d.d = env->ucf64.regs[i];
2091
cpu_fprintf(f, "s%02d=%08x(%8g) s%02d=%08x(%8g) d%02d=%" PRIx64 "(%8g)\n",
2092
i * 2, (int)s0.i, s0.s,
2093
i * 2 + 1, (int)s1.i, s1.s,
2094
i, (uint64_t)d0.f64, d0.d);
2096
cpu_fprintf(f, "FPSCR: %08x\n", (int)env->ucf64.xregs[UC32_UCF64_FPSCR]);
2100
void restore_state_to_opc(CPUState *env, TranslationBlock *tb, int pc_pos)
2102
env->regs[31] = gen_opc_pc[pc_pos];