unicore32: add target-unicore32 directory for unicore32-linux-user support

Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

1 files changed, 2105 insertions, 0 deletions

diff --git a/target-unicore32/translate.c b/target-unicore32/translate.c
new file mode 100644
index 000000000..a6ba991e9
--- /dev/null
+++ b/target-unicore32/translate.c
@@ -0,0 +1,2105 @@
+/*
+ *  UniCore32 translation
+ *
+ * Copyright (C) 2010-2011 GUAN Xue-tao
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <stdarg.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <inttypes.h>
+
+#include "cpu.h"
+#include "exec-all.h"
+#include "disas.h"
+#include "tcg-op.h"
+#include "qemu-log.h"
+
+#include "helper.h"
+#define GEN_HELPER 1
+#include "helper.h"
+
+/* internal defines */
+typedef struct DisasContext {
+    target_ulong pc;
+    int is_jmp;
+    /* Nonzero if this instruction has been conditionally skipped.  */
+    int condjmp;
+    /* The label that will be jumped to when the instruction is skipped.  */
+    int condlabel;
+    struct TranslationBlock *tb;
+    int singlestep_enabled;
+} DisasContext;
+
+#define IS_USER(s) 1
+
+/* These instructions trap after executing, so defer them until after the
+   conditional executions state has been updated.  */
+#define DISAS_SYSCALL 5
+
+static TCGv_ptr cpu_env;
+static TCGv_i32 cpu_R[32];
+
+/* FIXME:  These should be removed.  */
+static TCGv cpu_F0s, cpu_F1s;
+static TCGv_i64 cpu_F0d, cpu_F1d;
+
+#include "gen-icount.h"
+
+static const char *regnames[] = {
+      "r00", "r01", "r02", "r03", "r04", "r05", "r06", "r07",
+      "r08", "r09", "r10", "r11", "r12", "r13", "r14", "r15",
+      "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
+      "r24", "r25", "r26", "r27", "r28", "r29", "r30", "pc" };
+
+/* initialize TCG globals.  */
+void uc32_translate_init(void)
+{
+    int i;
+
+    cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
+
+    for (i = 0; i < 32; i++) {
+        cpu_R[i] = tcg_global_mem_new_i32(TCG_AREG0,
+                                offsetof(CPUState, regs[i]), regnames[i]);
+    }
+
+#define GEN_HELPER 2
+#include "helper.h"
+}
+
+static int num_temps;
+
+/* Allocate a temporary variable.  */
+static TCGv_i32 new_tmp(void)
+{
+    num_temps++;
+    return tcg_temp_new_i32();
+}
+
+/* Release a temporary variable.  */
+static void dead_tmp(TCGv tmp)
+{
+    tcg_temp_free(tmp);
+    num_temps--;
+}
+
+static inline TCGv load_cpu_offset(int offset)
+{
+    TCGv tmp = new_tmp();
+    tcg_gen_ld_i32(tmp, cpu_env, offset);
+    return tmp;
+}
+
+#define load_cpu_field(name) load_cpu_offset(offsetof(CPUState, name))
+
+static inline void store_cpu_offset(TCGv var, int offset)
+{
+    tcg_gen_st_i32(var, cpu_env, offset);
+    dead_tmp(var);
+}
+
+#define store_cpu_field(var, name) \
+    store_cpu_offset(var, offsetof(CPUState, name))
+
+/* Set a variable to the value of a CPU register.  */
+static void load_reg_var(DisasContext *s, TCGv var, int reg)
+{
+    if (reg == 31) {
+        uint32_t addr;
+        /* normaly, since we updated PC */
+        addr = (long)s->pc;
+        tcg_gen_movi_i32(var, addr);
+    } else {
+        tcg_gen_mov_i32(var, cpu_R[reg]);
+    }
+}
+
+/* Create a new temporary and set it to the value of a CPU register.  */
+static inline TCGv load_reg(DisasContext *s, int reg)
+{
+    TCGv tmp = new_tmp();
+    load_reg_var(s, tmp, reg);
+    return tmp;
+}
+
+/* Set a CPU register.  The source must be a temporary and will be
+   marked as dead.  */
+static void store_reg(DisasContext *s, int reg, TCGv var)
+{
+    if (reg == 31) {
+        tcg_gen_andi_i32(var, var, ~3);
+        s->is_jmp = DISAS_JUMP;
+    }
+    tcg_gen_mov_i32(cpu_R[reg], var);
+    dead_tmp(var);
+}
+
+/* Value extensions.  */
+#define gen_uxtb(var)           tcg_gen_ext8u_i32(var, var)
+#define gen_uxth(var)           tcg_gen_ext16u_i32(var, var)
+#define gen_sxtb(var)           tcg_gen_ext8s_i32(var, var)
+#define gen_sxth(var)           tcg_gen_ext16s_i32(var, var)
+
+#define UCOP_REG_M              (((insn) >>  0) & 0x1f)
+#define UCOP_REG_N              (((insn) >> 19) & 0x1f)
+#define UCOP_REG_D              (((insn) >> 14) & 0x1f)
+#define UCOP_REG_S              (((insn) >>  9) & 0x1f)
+#define UCOP_REG_LO             (((insn) >> 14) & 0x1f)
+#define UCOP_REG_HI             (((insn) >>  9) & 0x1f)
+#define UCOP_SH_OP              (((insn) >>  6) & 0x03)
+#define UCOP_SH_IM              (((insn) >>  9) & 0x1f)
+#define UCOP_OPCODES            (((insn) >> 25) & 0x0f)
+#define UCOP_IMM_9              (((insn) >>  0) & 0x1ff)
+#define UCOP_IMM10              (((insn) >>  0) & 0x3ff)
+#define UCOP_IMM14              (((insn) >>  0) & 0x3fff)
+#define UCOP_COND               (((insn) >> 25) & 0x0f)
+#define UCOP_CMOV_COND          (((insn) >> 19) & 0x0f)
+#define UCOP_CPNUM              (((insn) >> 10) & 0x0f)
+#define UCOP_UCF64_FMT          (((insn) >> 24) & 0x03)
+#define UCOP_UCF64_FUNC         (((insn) >>  6) & 0x0f)
+#define UCOP_UCF64_COND         (((insn) >>  6) & 0x0f)
+
+#define UCOP_SET(i)             ((insn) & (1 << (i)))
+#define UCOP_SET_P              UCOP_SET(28)
+#define UCOP_SET_U              UCOP_SET(27)
+#define UCOP_SET_B              UCOP_SET(26)
+#define UCOP_SET_W              UCOP_SET(25)
+#define UCOP_SET_L              UCOP_SET(24)
+#define UCOP_SET_S              UCOP_SET(24)
+
+#define ILLEGAL         cpu_abort(env,                                  \
+                        "Illegal UniCore32 instruction %x at line %d!", \
+                        insn, __LINE__)
+
+static inline void gen_set_asr(TCGv var, uint32_t mask)
+{
+    TCGv tmp_mask = tcg_const_i32(mask);
+    gen_helper_asr_write(var, tmp_mask);
+    tcg_temp_free_i32(tmp_mask);
+}
+/* Set NZCV flags from the high 4 bits of var.  */
+#define gen_set_nzcv(var) gen_set_asr(var, ASR_NZCV)
+
+static void gen_exception(int excp)
+{
+    TCGv tmp = new_tmp();
+    tcg_gen_movi_i32(tmp, excp);
+    gen_helper_exception(tmp);
+    dead_tmp(tmp);
+}
+
+/* FIXME: Most targets have native widening multiplication.
+   It would be good to use that instead of a full wide multiply.  */
+/* 32x32->64 multiply.  Marks inputs as dead.  */
+static TCGv_i64 gen_mulu_i64_i32(TCGv a, TCGv b)
+{
+    TCGv_i64 tmp1 = tcg_temp_new_i64();
+    TCGv_i64 tmp2 = tcg_temp_new_i64();
+
+    tcg_gen_extu_i32_i64(tmp1, a);
+    dead_tmp(a);
+    tcg_gen_extu_i32_i64(tmp2, b);
+    dead_tmp(b);
+    tcg_gen_mul_i64(tmp1, tmp1, tmp2);
+    tcg_temp_free_i64(tmp2);
+    return tmp1;
+}
+
+static TCGv_i64 gen_muls_i64_i32(TCGv a, TCGv b)
+{
+    TCGv_i64 tmp1 = tcg_temp_new_i64();
+    TCGv_i64 tmp2 = tcg_temp_new_i64();
+
+    tcg_gen_ext_i32_i64(tmp1, a);
+    dead_tmp(a);
+    tcg_gen_ext_i32_i64(tmp2, b);
+    dead_tmp(b);
+    tcg_gen_mul_i64(tmp1, tmp1, tmp2);
+    tcg_temp_free_i64(tmp2);
+    return tmp1;
+}
+
+#define gen_set_CF(var) tcg_gen_st_i32(var, cpu_env, offsetof(CPUState, CF))
+
+/* Set CF to the top bit of var.  */
+static void gen_set_CF_bit31(TCGv var)
+{
+    TCGv tmp = new_tmp();
+    tcg_gen_shri_i32(tmp, var, 31);
+    gen_set_CF(tmp);
+    dead_tmp(tmp);
+}
+
+/* Set N and Z flags from var.  */
+static inline void gen_logic_CC(TCGv var)
+{
+    tcg_gen_st_i32(var, cpu_env, offsetof(CPUState, NF));
+    tcg_gen_st_i32(var, cpu_env, offsetof(CPUState, ZF));
+}
+
+/* dest = T0 + T1 + CF. */
+static void gen_add_carry(TCGv dest, TCGv t0, TCGv t1)
+{
+    TCGv tmp;
+    tcg_gen_add_i32(dest, t0, t1);
+    tmp = load_cpu_field(CF);
+    tcg_gen_add_i32(dest, dest, tmp);
+    dead_tmp(tmp);
+}
+
+/* dest = T0 - T1 + CF - 1.  */
+static void gen_sub_carry(TCGv dest, TCGv t0, TCGv t1)
+{
+    TCGv tmp;
+    tcg_gen_sub_i32(dest, t0, t1);
+    tmp = load_cpu_field(CF);
+    tcg_gen_add_i32(dest, dest, tmp);
+    tcg_gen_subi_i32(dest, dest, 1);
+    dead_tmp(tmp);
+}
+
+static void shifter_out_im(TCGv var, int shift)
+{
+    TCGv tmp = new_tmp();
+    if (shift == 0) {
+        tcg_gen_andi_i32(tmp, var, 1);
+    } else {
+        tcg_gen_shri_i32(tmp, var, shift);
+        if (shift != 31) {
+            tcg_gen_andi_i32(tmp, tmp, 1);
+        }
+    }
+    gen_set_CF(tmp);
+    dead_tmp(tmp);
+}
+
+/* Shift by immediate.  Includes special handling for shift == 0.  */
+static inline void gen_uc32_shift_im(TCGv var, int shiftop, int shift,
+        int flags)
+{
+    switch (shiftop) {
+    case 0: /* LSL */
+        if (shift != 0) {
+            if (flags) {
+                shifter_out_im(var, 32 - shift);
+            }
+            tcg_gen_shli_i32(var, var, shift);
+        }
+        break;
+    case 1: /* LSR */
+        if (shift == 0) {
+            if (flags) {
+                tcg_gen_shri_i32(var, var, 31);
+                gen_set_CF(var);
+            }
+            tcg_gen_movi_i32(var, 0);
+        } else {
+            if (flags) {
+                shifter_out_im(var, shift - 1);
+            }
+            tcg_gen_shri_i32(var, var, shift);
+        }
+        break;
+    case 2: /* ASR */
+        if (shift == 0) {
+            shift = 32;
+        }
+        if (flags) {
+            shifter_out_im(var, shift - 1);
+        }
+        if (shift == 32) {
+            shift = 31;
+        }
+        tcg_gen_sari_i32(var, var, shift);
+        break;
+    case 3: /* ROR/RRX */
+        if (shift != 0) {
+            if (flags) {
+                shifter_out_im(var, shift - 1);
+            }
+            tcg_gen_rotri_i32(var, var, shift); break;
+        } else {
+            TCGv tmp = load_cpu_field(CF);
+            if (flags) {
+                shifter_out_im(var, 0);
+            }
+            tcg_gen_shri_i32(var, var, 1);
+            tcg_gen_shli_i32(tmp, tmp, 31);
+            tcg_gen_or_i32(var, var, tmp);
+            dead_tmp(tmp);
+        }
+    }
+};
+
+static inline void gen_uc32_shift_reg(TCGv var, int shiftop,
+                                     TCGv shift, int flags)
+{
+    if (flags) {
+        switch (shiftop) {
+        case 0:
+            gen_helper_shl_cc(var, var, shift);
+            break;
+        case 1:
+            gen_helper_shr_cc(var, var, shift);
+            break;
+        case 2:
+            gen_helper_sar_cc(var, var, shift);
+            break;
+        case 3:
+            gen_helper_ror_cc(var, var, shift);
+            break;
+        }
+    } else {
+        switch (shiftop) {
+        case 0:
+            gen_helper_shl(var, var, shift);
+            break;
+        case 1:
+            gen_helper_shr(var, var, shift);
+            break;
+        case 2:
+            gen_helper_sar(var, var, shift);
+            break;
+        case 3:
+            tcg_gen_andi_i32(shift, shift, 0x1f);
+            tcg_gen_rotr_i32(var, var, shift);
+            break;
+        }
+    }
+    dead_tmp(shift);
+}
+
+static void gen_test_cc(int cc, int label)
+{
+    TCGv tmp;
+    TCGv tmp2;
+    int inv;
+
+    switch (cc) {
+    case 0: /* eq: Z */
+        tmp = load_cpu_field(ZF);
+        tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label);
+        break;
+    case 1: /* ne: !Z */
+        tmp = load_cpu_field(ZF);
+        tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, label);
+        break;
+    case 2: /* cs: C */
+        tmp = load_cpu_field(CF);
+        tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, label);
+        break;
+    case 3: /* cc: !C */
+        tmp = load_cpu_field(CF);
+        tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label);
+        break;
+    case 4: /* mi: N */
+        tmp = load_cpu_field(NF);
+        tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label);
+        break;
+    case 5: /* pl: !N */
+        tmp = load_cpu_field(NF);
+        tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label);
+        break;
+    case 6: /* vs: V */
+        tmp = load_cpu_field(VF);
+        tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label);
+        break;
+    case 7: /* vc: !V */
+        tmp = load_cpu_field(VF);
+        tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label);
+        break;
+    case 8: /* hi: C && !Z */
+        inv = gen_new_label();
+        tmp = load_cpu_field(CF);
+        tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, inv);
+        dead_tmp(tmp);
+        tmp = load_cpu_field(ZF);
+        tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, label);
+        gen_set_label(inv);
+        break;
+    case 9: /* ls: !C || Z */
+        tmp = load_cpu_field(CF);
+        tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label);
+        dead_tmp(tmp);
+        tmp = load_cpu_field(ZF);
+        tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label);
+        break;
+    case 10: /* ge: N == V -> N ^ V == 0 */
+        tmp = load_cpu_field(VF);
+        tmp2 = load_cpu_field(NF);
+        tcg_gen_xor_i32(tmp, tmp, tmp2);
+        dead_tmp(tmp2);
+        tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label);
+        break;
+    case 11: /* lt: N != V -> N ^ V != 0 */
+        tmp = load_cpu_field(VF);
+        tmp2 = load_cpu_field(NF);
+        tcg_gen_xor_i32(tmp, tmp, tmp2);
+        dead_tmp(tmp2);
+        tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label);
+        break;
+    case 12: /* gt: !Z && N == V */
+        inv = gen_new_label();
+        tmp = load_cpu_field(ZF);
+        tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, inv);
+        dead_tmp(tmp);
+        tmp = load_cpu_field(VF);
+        tmp2 = load_cpu_field(NF);
+        tcg_gen_xor_i32(tmp, tmp, tmp2);
+        dead_tmp(tmp2);
+        tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label);
+        gen_set_label(inv);
+        break;
+    case 13: /* le: Z || N != V */
+        tmp = load_cpu_field(ZF);
+        tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label);
+        dead_tmp(tmp);
+        tmp = load_cpu_field(VF);
+        tmp2 = load_cpu_field(NF);
+        tcg_gen_xor_i32(tmp, tmp, tmp2);
+        dead_tmp(tmp2);
+        tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label);
+        break;
+    default:
+        fprintf(stderr, "Bad condition code 0x%x\n", cc);
+        abort();
+    }
+    dead_tmp(tmp);
+}
+
+static const uint8_t table_logic_cc[16] = {
+    1, /* and */    1, /* xor */    0, /* sub */    0, /* rsb */
+    0, /* add */    0, /* adc */    0, /* sbc */    0, /* rsc */
+    1, /* andl */   1, /* xorl */   0, /* cmp */    0, /* cmn */
+    1, /* orr */    1, /* mov */    1, /* bic */    1, /* mvn */
+};
+
+/* Set PC state from an immediate address.  */
+static inline void gen_bx_im(DisasContext *s, uint32_t addr)
+{
+    s->is_jmp = DISAS_UPDATE;
+    tcg_gen_movi_i32(cpu_R[31], addr & ~3);
+}
+
+/* Set PC state from var.  var is marked as dead.  */
+static inline void gen_bx(DisasContext *s, TCGv var)
+{
+    s->is_jmp = DISAS_UPDATE;
+    tcg_gen_andi_i32(cpu_R[31], var, ~3);
+    dead_tmp(var);
+}
+
+static inline void store_reg_bx(DisasContext *s, int reg, TCGv var)
+{
+    store_reg(s, reg, var);
+}
+
+static inline TCGv gen_ld8s(TCGv addr, int index)
+{
+    TCGv tmp = new_tmp();
+    tcg_gen_qemu_ld8s(tmp, addr, index);
+    return tmp;
+}
+
+static inline TCGv gen_ld8u(TCGv addr, int index)
+{
+    TCGv tmp = new_tmp();
+    tcg_gen_qemu_ld8u(tmp, addr, index);
+    return tmp;
+}
+
+static inline TCGv gen_ld16s(TCGv addr, int index)
+{
+    TCGv tmp = new_tmp();
+    tcg_gen_qemu_ld16s(tmp, addr, index);
+    return tmp;
+}
+
+static inline TCGv gen_ld16u(TCGv addr, int index)
+{
+    TCGv tmp = new_tmp();
+    tcg_gen_qemu_ld16u(tmp, addr, index);
+    return tmp;
+}
+
+static inline TCGv gen_ld32(TCGv addr, int index)
+{
+    TCGv tmp = new_tmp();
+    tcg_gen_qemu_ld32u(tmp, addr, index);
+    return tmp;
+}
+
+static inline TCGv_i64 gen_ld64(TCGv addr, int index)
+{
+    TCGv_i64 tmp = tcg_temp_new_i64();
+    tcg_gen_qemu_ld64(tmp, addr, index);
+    return tmp;
+}
+
+static inline void gen_st8(TCGv val, TCGv addr, int index)
+{
+    tcg_gen_qemu_st8(val, addr, index);
+    dead_tmp(val);
+}
+
+static inline void gen_st16(TCGv val, TCGv addr, int index)
+{
+    tcg_gen_qemu_st16(val, addr, index);
+    dead_tmp(val);
+}
+
+static inline void gen_st32(TCGv val, TCGv addr, int index)
+{
+    tcg_gen_qemu_st32(val, addr, index);
+    dead_tmp(val);
+}
+
+static inline void gen_st64(TCGv_i64 val, TCGv addr, int index)
+{
+    tcg_gen_qemu_st64(val, addr, index);
+    tcg_temp_free_i64(val);
+}
+
+static inline void gen_set_pc_im(uint32_t val)
+{
+    tcg_gen_movi_i32(cpu_R[31], val);
+}
+
+/* Force a TB lookup after an instruction that changes the CPU state.  */
+static inline void gen_lookup_tb(DisasContext *s)
+{
+    tcg_gen_movi_i32(cpu_R[31], s->pc & ~1);
+    s->is_jmp = DISAS_UPDATE;
+}
+
+static inline void gen_add_data_offset(DisasContext *s, unsigned int insn,
+        TCGv var)
+{
+    int val;
+    TCGv offset;
+
+    if (UCOP_SET(29)) {
+        /* immediate */
+        val = UCOP_IMM14;
+        if (!UCOP_SET_U) {
+            val = -val;
+        }
+        if (val != 0) {
+            tcg_gen_addi_i32(var, var, val);
+        }
+    } else {
+        /* shift/register */
+        offset = load_reg(s, UCOP_REG_M);
+        gen_uc32_shift_im(offset, UCOP_SH_OP, UCOP_SH_IM, 0);
+        if (!UCOP_SET_U) {
+            tcg_gen_sub_i32(var, var, offset);
+        } else {
+            tcg_gen_add_i32(var, var, offset);
+        }
+        dead_tmp(offset);
+    }
+}
+
+static inline void gen_add_datah_offset(DisasContext *s, unsigned int insn,
+        TCGv var)
+{
+    int val;
+    TCGv offset;
+
+    if (UCOP_SET(26)) {
+        /* immediate */
+        val = (insn & 0x1f) | ((insn >> 4) & 0x3e0);
+        if (!UCOP_SET_U) {
+            val = -val;
+        }
+        if (val != 0) {
+            tcg_gen_addi_i32(var, var, val);
+        }
+    } else {
+        /* register */
+        offset = load_reg(s, UCOP_REG_M);
+        if (!UCOP_SET_U) {
+            tcg_gen_sub_i32(var, var, offset);
+        } else {
+            tcg_gen_add_i32(var, var, offset);
+        }
+        dead_tmp(offset);
+    }
+}
+
+static inline long ucf64_reg_offset(int reg)
+{
+    if (reg & 1) {
+        return offsetof(CPUState, ucf64.regs[reg >> 1])
+          + offsetof(CPU_DoubleU, l.upper);
+    } else {
+        return offsetof(CPUState, ucf64.regs[reg >> 1])
+          + offsetof(CPU_DoubleU, l.lower);
+    }
+}
+
+#define ucf64_gen_ld32(reg)      load_cpu_offset(ucf64_reg_offset(reg))
+#define ucf64_gen_st32(var, reg) store_cpu_offset(var, ucf64_reg_offset(reg))
+
+/* UniCore-F64 single load/store I_offset */
+static void do_ucf64_ldst_i(CPUState *env, DisasContext *s, uint32_t insn)
+{
+    int offset;
+    TCGv tmp;
+    TCGv addr;
+
+    addr = load_reg(s, UCOP_REG_N);
+    if (!UCOP_SET_P && !UCOP_SET_W) {
+        ILLEGAL;
+    }
+
+    if (UCOP_SET_P) {
+        offset = UCOP_IMM10 << 2;
+        if (!UCOP_SET_U) {
+            offset = -offset;
+        }
+        if (offset != 0) {
+            tcg_gen_addi_i32(addr, addr, offset);
+        }
+    }
+
+    if (UCOP_SET_L) { /* load */
+        tmp = gen_ld32(addr, IS_USER(s));
+        ucf64_gen_st32(tmp, UCOP_REG_D);
+    } else { /* store */
+        tmp = ucf64_gen_ld32(UCOP_REG_D);
+        gen_st32(tmp, addr, IS_USER(s));
+    }
+
+    if (!UCOP_SET_P) {
+        offset = UCOP_IMM10 << 2;
+        if (!UCOP_SET_U) {
+            offset = -offset;
+        }
+        if (offset != 0) {
+            tcg_gen_addi_i32(addr, addr, offset);
+        }
+    }
+    if (UCOP_SET_W) {
+        store_reg(s, UCOP_REG_N, addr);
+    } else {
+        dead_tmp(addr);
+    }
+}
+
+/* UniCore-F64 load/store multiple words */
+static void do_ucf64_ldst_m(CPUState *env, DisasContext *s, uint32_t insn)
+{
+    unsigned int i;
+    int j, n, freg;
+    TCGv tmp;
+    TCGv addr;
+
+    if (UCOP_REG_D != 0) {
+        ILLEGAL;
+    }
+    if (UCOP_REG_N == 31) {
+        ILLEGAL;
+    }
+    if ((insn << 24) == 0) {
+        ILLEGAL;
+    }
+
+    addr = load_reg(s, UCOP_REG_N);
+
+    n = 0;
+    for (i = 0; i < 8; i++) {
+        if (UCOP_SET(i)) {
+            n++;
+        }
+    }
+
+    if (UCOP_SET_U) {
+        if (UCOP_SET_P) { /* pre increment */
+            tcg_gen_addi_i32(addr, addr, 4);
+        } /* unnecessary to do anything when post increment */
+    } else {
+        if (UCOP_SET_P) { /* pre decrement */
+            tcg_gen_addi_i32(addr, addr, -(n * 4));
+        } else { /* post decrement */
+            if (n != 1) {
+                tcg_gen_addi_i32(addr, addr, -((n - 1) * 4));
+            }
+        }
+    }
+
+    freg = ((insn >> 8) & 3) << 3; /* freg should be 0, 8, 16, 24 */
+
+    for (i = 0, j = 0; i < 8; i++, freg++) {
+        if (!UCOP_SET(i)) {
+            continue;
+        }
+
+        if (UCOP_SET_L) { /* load */
+            tmp = gen_ld32(addr, IS_USER(s));
+            ucf64_gen_st32(tmp, freg);
+        } else { /* store */
+            tmp = ucf64_gen_ld32(freg);
+            gen_st32(tmp, addr, IS_USER(s));
+        }
+
+        j++;
+        /* unnecessary to add after the last transfer */
+        if (j != n) {
+            tcg_gen_addi_i32(addr, addr, 4);
+        }
+    }
+
+    if (UCOP_SET_W) { /* write back */
+        if (UCOP_SET_U) {
+            if (!UCOP_SET_P) { /* post increment */
+                tcg_gen_addi_i32(addr, addr, 4);
+            } /* unnecessary to do anything when pre increment */
+        } else {
+            if (UCOP_SET_P) {
+                /* pre decrement */
+                if (n != 1) {
+                    tcg_gen_addi_i32(addr, addr, -((n - 1) * 4));
+                }
+            } else {
+                /* post decrement */
+                tcg_gen_addi_i32(addr, addr, -(n * 4));
+            }
+        }
+        store_reg(s, UCOP_REG_N, addr);
+    } else {
+        dead_tmp(addr);
+    }
+}
+
+/* UniCore-F64 mrc/mcr */
+static void do_ucf64_trans(CPUState *env, DisasContext *s, uint32_t insn)
+{
+    TCGv tmp;
+
+    if ((insn & 0xfe0003ff) == 0xe2000000) {
+        /* control register */
+        if ((UCOP_REG_N != UC32_UCF64_FPSCR) || (UCOP_REG_D == 31)) {
+            ILLEGAL;
+        }
+        if (UCOP_SET(24)) {
+            /* CFF */
+            tmp = new_tmp();
+            gen_helper_ucf64_get_fpscr(tmp, cpu_env);
+            store_reg(s, UCOP_REG_D, tmp);
+        } else {
+            /* CTF */
+            tmp = load_reg(s, UCOP_REG_D);
+            gen_helper_ucf64_set_fpscr(cpu_env, tmp);
+            dead_tmp(tmp);
+            gen_lookup_tb(s);
+        }
+        return;
+    }
+    if ((insn & 0xfe0003ff) == 0xe0000000) {
+        /* general register */
+        if (UCOP_REG_D == 31) {
+            ILLEGAL;
+        }
+        if (UCOP_SET(24)) { /* MFF */
+            tmp = ucf64_gen_ld32(UCOP_REG_N);
+            store_reg(s, UCOP_REG_D, tmp);
+        } else { /* MTF */
+            tmp = load_reg(s, UCOP_REG_D);
+            ucf64_gen_st32(tmp, UCOP_REG_N);
+        }
+        return;
+    }
+    if ((insn & 0xfb000000) == 0xe9000000) {
+        /* MFFC */
+        if (UCOP_REG_D != 31) {
+            ILLEGAL;
+        }
+        if (UCOP_UCF64_COND & 0x8) {
+            ILLEGAL;
+        }
+
+        tmp = new_tmp();
+        tcg_gen_movi_i32(tmp, UCOP_UCF64_COND);
+        if (UCOP_SET(26)) {
+            tcg_gen_ld_i64(cpu_F0d, cpu_env, ucf64_reg_offset(UCOP_REG_N));
+            tcg_gen_ld_i64(cpu_F1d, cpu_env, ucf64_reg_offset(UCOP_REG_M));
+            gen_helper_ucf64_cmpd(cpu_F0d, cpu_F1d, tmp, cpu_env);
+        } else {
+            tcg_gen_ld_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_N));
+            tcg_gen_ld_i32(cpu_F1s, cpu_env, ucf64_reg_offset(UCOP_REG_M));
+            gen_helper_ucf64_cmps(cpu_F0s, cpu_F1s, tmp, cpu_env);
+        }
+        dead_tmp(tmp);
+        return;
+    }
+    ILLEGAL;
+}
+
+/* UniCore-F64 convert instructions */
+static void do_ucf64_fcvt(CPUState *env, DisasContext *s, uint32_t insn)
+{
+    if (UCOP_UCF64_FMT == 3) {
+        ILLEGAL;
+    }
+    if (UCOP_REG_N != 0) {
+        ILLEGAL;
+    }
+    switch (UCOP_UCF64_FUNC) {
+    case 0: /* cvt.s */
+        switch (UCOP_UCF64_FMT) {
+        case 1 /* d */:
+            tcg_gen_ld_i64(cpu_F0d, cpu_env, ucf64_reg_offset(UCOP_REG_M));
+            gen_helper_ucf64_df2sf(cpu_F0s, cpu_F0d, cpu_env);
+            tcg_gen_st_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_D));
+            break;
+        case 2 /* w */:
+            tcg_gen_ld_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_M));
+            gen_helper_ucf64_si2sf(cpu_F0s, cpu_F0s, cpu_env);
+            tcg_gen_st_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_D));
+            break;
+        default /* s */:
+            ILLEGAL;
+            break;
+        }
+        break;
+    case 1: /* cvt.d */
+        switch (UCOP_UCF64_FMT) {
+        case 0 /* s */:
+            tcg_gen_ld_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_M));
+            gen_helper_ucf64_sf2df(cpu_F0d, cpu_F0s, cpu_env);
+            tcg_gen_st_i64(cpu_F0d, cpu_env, ucf64_reg_offset(UCOP_REG_D));
+            break;
+        case 2 /* w */:
+            tcg_gen_ld_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_M));
+            gen_helper_ucf64_si2df(cpu_F0d, cpu_F0s, cpu_env);
+            tcg_gen_st_i64(cpu_F0d, cpu_env, ucf64_reg_offset(UCOP_REG_D));
+            break;
+        default /* d */:
+            ILLEGAL;
+            break;
+        }
+        break;
+    case 4: /* cvt.w */
+        switch (UCOP_UCF64_FMT) {
+        case 0 /* s */:
+            tcg_gen_ld_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_M));
+            gen_helper_ucf64_sf2si(cpu_F0s, cpu_F0s, cpu_env);
+            tcg_gen_st_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_D));
+            break;
+        case 1 /* d */:
+            tcg_gen_ld_i64(cpu_F0d, cpu_env, ucf64_reg_offset(UCOP_REG_M));
+            gen_helper_ucf64_df2si(cpu_F0s, cpu_F0d, cpu_env);
+            tcg_gen_st_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_D));
+            break;
+    default /* w */:
+            ILLEGAL;
+            break;
+        }
+        break;
+    default:
+        ILLEGAL;
+    }
+}
+
+/* UniCore-F64 compare instructions */
+static void do_ucf64_fcmp(CPUState *env, DisasContext *s, uint32_t insn)
+{
+    if (UCOP_SET(25)) {
+        ILLEGAL;
+    }
+    if (UCOP_REG_D != 0) {
+        ILLEGAL;
+    }
+
+    ILLEGAL; /* TODO */
+    if (UCOP_SET(24)) {
+        tcg_gen_ld_i64(cpu_F0d, cpu_env, ucf64_reg_offset(UCOP_REG_N));
+        tcg_gen_ld_i64(cpu_F1d, cpu_env, ucf64_reg_offset(UCOP_REG_M));
+        /* gen_helper_ucf64_cmpd(cpu_F0d, cpu_F1d, cpu_env); */
+    } else {
+        tcg_gen_ld_i32(cpu_F0s, cpu_env, ucf64_reg_offset(UCOP_REG_N));
+        tcg_gen_ld_i32(cpu_F1s, cpu_env, ucf64_reg_offset(UCOP_REG_M));
+        /* gen_helper_ucf64_cmps(cpu_F0s, cpu_F1s, cpu_env); */
+    }
+}
+
+#define gen_helper_ucf64_movs(x, y)      do { } while (0)
+#define gen_helper_ucf64_movd(x, y)      do { } while (0)
+
+#define UCF64_OP1(name)    do {                           \
+        if (UCOP_REG_N != 0) {                            \
+            ILLEGAL;                                      \
+        }                                                 \
+        switch (UCOP_UCF64_FMT) {                         \
+        case 0 /* s */:                                   \
+            tcg_gen_ld_i32(cpu_F0s, cpu_env,              \
+                           ucf64_reg_offset(UCOP_REG_M)); \
+            gen_helper_ucf64_##name##s(cpu_F0s, cpu_F0s); \
+            tcg_gen_st_i32(cpu_F0s, cpu_env,              \
+                           ucf64_reg_offset(UCOP_REG_D)); \
+            break;                                        \
+        case 1 /* d */:                                   \
+            tcg_gen_ld_i64(cpu_F0d, cpu_env,              \
+                           ucf64_reg_offset(UCOP_REG_M)); \
+            gen_helper_ucf64_##name##d(cpu_F0d, cpu_F0d); \
+            tcg_gen_st_i64(cpu_F0d, cpu_env,              \
+                           ucf64_reg_offset(UCOP_REG_D)); \
+            break;                                        \
+        case 2 /* w */:                                   \
+            ILLEGAL;                                      \
+            break;                                        \
+        }                                                 \
+    } while (0)
+
+#define UCF64_OP2(name)    do {                           \
+        switch (UCOP_UCF64_FMT) {                         \
+        case 0 /* s */:                                   \
+            tcg_gen_ld_i32(cpu_F0s, cpu_env,              \
+                           ucf64_reg_offset(UCOP_REG_N)); \
+            tcg_gen_ld_i32(cpu_F1s, cpu_env,              \
+                           ucf64_reg_offset(UCOP_REG_M)); \
+            gen_helper_ucf64_##name##s(cpu_F0s,           \
+                           cpu_F0s, cpu_F1s, cpu_env);    \
+            tcg_gen_st_i32(cpu_F0s, cpu_env,              \
+                           ucf64_reg_offset(UCOP_REG_D)); \
+            break;                                        \
+        case 1 /* d */:                                   \
+            tcg_gen_ld_i64(cpu_F0d, cpu_env,              \
+                           ucf64_reg_offset(UCOP_REG_N)); \
+            tcg_gen_ld_i64(cpu_F1d, cpu_env,              \
+                           ucf64_reg_offset(UCOP_REG_M)); \
+            gen_helper_ucf64_##name##d(cpu_F0d,           \
+                           cpu_F0d, cpu_F1d, cpu_env);    \
+            tcg_gen_st_i64(cpu_F0d, cpu_env,              \
+                           ucf64_reg_offset(UCOP_REG_D)); \
+            break;                                        \
+        case 2 /* w */:                                   \
+            ILLEGAL;                                      \
+            break;                                        \
+        }                                                 \
+    } while (0)
+
+/* UniCore-F64 data processing */
+static void do_ucf64_datap(CPUState *env, DisasContext *s, uint32_t insn)
+{
+    if (UCOP_UCF64_FMT == 3) {
+        ILLEGAL;
+    }
+    switch (UCOP_UCF64_FUNC) {
+    case 0: /* add */
+        UCF64_OP2(add);
+        break;
+    case 1: /* sub */
+        UCF64_OP2(sub);
+        break;
+    case 2: /* mul */
+        UCF64_OP2(mul);
+        break;
+    case 4: /* div */
+        UCF64_OP2(div);
+        break;
+    case 5: /* abs */
+        UCF64_OP1(abs);
+        break;
+    case 6: /* mov */
+        UCF64_OP1(mov);
+        break;
+    case 7: /* neg */
+        UCF64_OP1(neg);
+        break;
+    default:
+        ILLEGAL;
+    }
+}
+
+/* Disassemble an F64 instruction */
+static void disas_ucf64_insn(CPUState *env, DisasContext *s, uint32_t insn)
+{
+    if (!UCOP_SET(29)) {
+        if (UCOP_SET(26)) {
+            do_ucf64_ldst_m(env, s, insn);
+        } else {
+            do_ucf64_ldst_i(env, s, insn);
+        }
+    } else {
+        if (UCOP_SET(5)) {
+            switch ((insn >> 26) & 0x3) {
+            case 0:
+                do_ucf64_datap(env, s, insn);
+                break;
+            case 1:
+                ILLEGAL;
+                break;
+            case 2:
+                do_ucf64_fcvt(env, s, insn);
+                break;
+            case 3:
+                do_ucf64_fcmp(env, s, insn);
+                break;
+            }
+        } else {
+            do_ucf64_trans(env, s, insn);
+        }
+    }
+}
+
+static inline void gen_goto_tb(DisasContext *s, int n, uint32_t dest)
+{
+    TranslationBlock *tb;
+
+    tb = s->tb;
+    if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) {
+        tcg_gen_goto_tb(n);
+        gen_set_pc_im(dest);
+        tcg_gen_exit_tb((long)tb + n);
+    } else {
+        gen_set_pc_im(dest);
+        tcg_gen_exit_tb(0);
+    }
+}
+
+static inline void gen_jmp(DisasContext *s, uint32_t dest)
+{
+    if (unlikely(s->singlestep_enabled)) {
+        /* An indirect jump so that we still trigger the debug exception.  */
+        gen_bx_im(s, dest);
+    } else {
+        gen_goto_tb(s, 0, dest);
+        s->is_jmp = DISAS_TB_JUMP;
+    }
+}
+
+static inline void gen_mulxy(TCGv t0, TCGv t1, int x, int y)
+{
+    if (x) {
+        tcg_gen_sari_i32(t0, t0, 16);
+    } else {
+        gen_sxth(t0);
+    }
+    if (y) {
+        tcg_gen_sari_i32(t1, t1, 16);
+    } else {
+        gen_sxth(t1);
+    }
+    tcg_gen_mul_i32(t0, t0, t1);
+}
+
+/* Returns nonzero if access to the PSR is not permitted. Marks t0 as dead. */
+static int gen_set_psr(DisasContext *s, uint32_t mask, int bsr, TCGv t0)
+{
+    TCGv tmp;
+    if (bsr) {
+        /* ??? This is also undefined in system mode.  */
+        if (IS_USER(s)) {
+            return 1;
+        }
+
+        tmp = load_cpu_field(bsr);
+        tcg_gen_andi_i32(tmp, tmp, ~mask);
+        tcg_gen_andi_i32(t0, t0, mask);
+        tcg_gen_or_i32(tmp, tmp, t0);
+        store_cpu_field(tmp, bsr);
+    } else {
+        gen_set_asr(t0, mask);
+    }
+    dead_tmp(t0);
+    gen_lookup_tb(s);
+    return 0;
+}
+
+/* Generate an old-style exception return. Marks pc as dead. */
+static void gen_exception_return(DisasContext *s, TCGv pc)
+{
+    TCGv tmp;
+    store_reg(s, 31, pc);
+    tmp = load_cpu_field(bsr);
+    gen_set_asr(tmp, 0xffffffff);
+    dead_tmp(tmp);
+    s->is_jmp = DISAS_UPDATE;
+}
+
+static void disas_coproc_insn(CPUState *env, DisasContext *s, uint32_t insn)
+{
+    switch (UCOP_CPNUM) {
+    case 2:
+        disas_ucf64_insn(env, s, insn);
+        break;
+    default:
+        /* Unknown coprocessor. */
+        cpu_abort(env, "Unknown coprocessor!");
+    }
+}
+
+
+/* Store a 64-bit value to a register pair.  Clobbers val.  */
+static void gen_storeq_reg(DisasContext *s, int rlow, int rhigh, TCGv_i64 val)
+{
+    TCGv tmp;
+    tmp = new_tmp();
+    tcg_gen_trunc_i64_i32(tmp, val);
+    store_reg(s, rlow, tmp);
+    tmp = new_tmp();
+    tcg_gen_shri_i64(val, val, 32);
+    tcg_gen_trunc_i64_i32(tmp, val);
+    store_reg(s, rhigh, tmp);
+}
+
+/* load and add a 64-bit value from a register pair.  */
+static void gen_addq(DisasContext *s, TCGv_i64 val, int rlow, int rhigh)
+{
+    TCGv_i64 tmp;
+    TCGv tmpl;
+    TCGv tmph;
+
+    /* Load 64-bit value rd:rn.  */
+    tmpl = load_reg(s, rlow);
+    tmph = load_reg(s, rhigh);
+    tmp = tcg_temp_new_i64();
+    tcg_gen_concat_i32_i64(tmp, tmpl, tmph);
+    dead_tmp(tmpl);
+    dead_tmp(tmph);
+    tcg_gen_add_i64(val, val, tmp);
+    tcg_temp_free_i64(tmp);
+}
+
+/* data processing instructions */
+static void do_datap(CPUState *env, DisasContext *s, uint32_t insn)
+{
+    TCGv tmp;
+    TCGv tmp2;
+    int logic_cc;
+
+    if (UCOP_OPCODES == 0x0f || UCOP_OPCODES == 0x0d) {
+        if (UCOP_SET(23)) { /* CMOV instructions */
+            if ((UCOP_CMOV_COND == 0xe) || (UCOP_CMOV_COND == 0xf)) {
+                ILLEGAL;
+            }
+            /* if not always execute, we generate a conditional jump to
+               next instruction */
+            s->condlabel = gen_new_label();
+            gen_test_cc(UCOP_CMOV_COND ^ 1, s->condlabel);
+            s->condjmp = 1;
+        }
+    }
+
+    logic_cc = table_logic_cc[UCOP_OPCODES] & (UCOP_SET_S >> 24);
+
+    if (UCOP_SET(29)) {
+        unsigned int val;
+        /* immediate operand */
+        val = UCOP_IMM_9;
+        if (UCOP_SH_IM) {
+            val = (val >> UCOP_SH_IM) | (val << (32 - UCOP_SH_IM));
+        }
+        tmp2 = new_tmp();
+        tcg_gen_movi_i32(tmp2, val);
+        if (logic_cc && UCOP_SH_IM) {
+            gen_set_CF_bit31(tmp2);
+        }
+   } else {
+        /* register */
+        tmp2 = load_reg(s, UCOP_REG_M);
+        if (UCOP_SET(5)) {
+            tmp = load_reg(s, UCOP_REG_S);
+            gen_uc32_shift_reg(tmp2, UCOP_SH_OP, tmp, logic_cc);
+        } else {
+            gen_uc32_shift_im(tmp2, UCOP_SH_OP, UCOP_SH_IM, logic_cc);
+        }
+    }
+
+    if (UCOP_OPCODES != 0x0f && UCOP_OPCODES != 0x0d) {
+        tmp = load_reg(s, UCOP_REG_N);
+    } else {
+        TCGV_UNUSED(tmp);
+    }
+
+    switch (UCOP_OPCODES) {
+    case 0x00:
+        tcg_gen_and_i32(tmp, tmp, tmp2);
+        if (logic_cc) {
+            gen_logic_CC(tmp);
+        }
+        store_reg_bx(s, UCOP_REG_D, tmp);
+        break;
+    case 0x01:
+        tcg_gen_xor_i32(tmp, tmp, tmp2);
+        if (logic_cc) {
+            gen_logic_CC(tmp);
+        }
+        store_reg_bx(s, UCOP_REG_D, tmp);
+        break;
+    case 0x02:
+        if (UCOP_SET_S && UCOP_REG_D == 31) {
+            /* SUBS r31, ... is used for exception return.  */
+            if (IS_USER(s)) {
+                ILLEGAL;
+            }
+            gen_helper_sub_cc(tmp, tmp, tmp2);
+            gen_exception_return(s, tmp);
+        } else {
+            if (UCOP_SET_S) {
+                gen_helper_sub_cc(tmp, tmp, tmp2);
+            } else {
+                tcg_gen_sub_i32(tmp, tmp, tmp2);
+            }
+            store_reg_bx(s, UCOP_REG_D, tmp);
+        }
+        break;
+    case 0x03:
+        if (UCOP_SET_S) {
+            gen_helper_sub_cc(tmp, tmp2, tmp);
+        } else {
+            tcg_gen_sub_i32(tmp, tmp2, tmp);
+        }
+        store_reg_bx(s, UCOP_REG_D, tmp);
+        break;
+    case 0x04:
+        if (UCOP_SET_S) {
+            gen_helper_add_cc(tmp, tmp, tmp2);
+        } else {
+            tcg_gen_add_i32(tmp, tmp, tmp2);
+        }
+        store_reg_bx(s, UCOP_REG_D, tmp);
+        break;
+    case 0x05:
+        if (UCOP_SET_S) {
+            gen_helper_adc_cc(tmp, tmp, tmp2);
+        } else {
+            gen_add_carry(tmp, tmp, tmp2);
+        }
+        store_reg_bx(s, UCOP_REG_D, tmp);
+        break;
+    case 0x06:
+        if (UCOP_SET_S) {
+            gen_helper_sbc_cc(tmp, tmp, tmp2);
+        } else {
+            gen_sub_carry(tmp, tmp, tmp2);
+        }
+        store_reg_bx(s, UCOP_REG_D, tmp);
+        break;
+    case 0x07:
+        if (UCOP_SET_S) {
+            gen_helper_sbc_cc(tmp, tmp2, tmp);
+        } else {
+            gen_sub_carry(tmp, tmp2, tmp);
+        }
+        store_reg_bx(s, UCOP_REG_D, tmp);
+        break;
+    case 0x08:
+        if (UCOP_SET_S) {
+            tcg_gen_and_i32(tmp, tmp, tmp2);
+            gen_logic_CC(tmp);
+        }
+        dead_tmp(tmp);
+        break;
+    case 0x09:
+        if (UCOP_SET_S) {
+            tcg_gen_xor_i32(tmp, tmp, tmp2);
+            gen_logic_CC(tmp);
+        }
+        dead_tmp(tmp);
+        break;
+    case 0x0a:
+        if (UCOP_SET_S) {
+            gen_helper_sub_cc(tmp, tmp, tmp2);
+        }
+        dead_tmp(tmp);
+        break;
+    case 0x0b:
+        if (UCOP_SET_S) {
+            gen_helper_add_cc(tmp, tmp, tmp2);
+        }
+        dead_tmp(tmp);
+        break;
+    case 0x0c:
+        tcg_gen_or_i32(tmp, tmp, tmp2);
+        if (logic_cc) {
+            gen_logic_CC(tmp);
+        }
+        store_reg_bx(s, UCOP_REG_D, tmp);
+        break;
+    case 0x0d:
+        if (logic_cc && UCOP_REG_D == 31) {
+            /* MOVS r31, ... is used for exception return.  */
+            if (IS_USER(s)) {
+                ILLEGAL;
+            }
+            gen_exception_return(s, tmp2);
+        } else {
+            if (logic_cc) {
+                gen_logic_CC(tmp2);
+            }
+            store_reg_bx(s, UCOP_REG_D, tmp2);
+        }
+        break;
+    case 0x0e:
+        tcg_gen_andc_i32(tmp, tmp, tmp2);
+        if (logic_cc) {
+            gen_logic_CC(tmp);
+        }
+        store_reg_bx(s, UCOP_REG_D, tmp);
+        break;
+    default:
+    case 0x0f:
+        tcg_gen_not_i32(tmp2, tmp2);
+        if (logic_cc) {
+            gen_logic_CC(tmp2);
+        }
+        store_reg_bx(s, UCOP_REG_D, tmp2);
+        break;
+    }
+    if (UCOP_OPCODES != 0x0f && UCOP_OPCODES != 0x0d) {
+        dead_tmp(tmp2);
+    }
+}
+
+/* multiply */
+static void do_mult(CPUState *env, DisasContext *s, uint32_t insn)
+{
+    TCGv tmp;
+    TCGv tmp2;
+    TCGv_i64 tmp64;
+
+    if (UCOP_SET(27)) {
+        /* 64 bit mul */
+        tmp = load_reg(s, UCOP_REG_M);
+        tmp2 = load_reg(s, UCOP_REG_N);
+        if (UCOP_SET(26)) {
+            tmp64 = gen_muls_i64_i32(tmp, tmp2);
+        } else {
+            tmp64 = gen_mulu_i64_i32(tmp, tmp2);
+        }
+        if (UCOP_SET(25)) { /* mult accumulate */
+            gen_addq(s, tmp64, UCOP_REG_LO, UCOP_REG_HI);
+        }
+        gen_storeq_reg(s, UCOP_REG_LO, UCOP_REG_HI, tmp64);
+        tcg_temp_free_i64(tmp64);
+    } else {
+        /* 32 bit mul */
+        tmp = load_reg(s, UCOP_REG_M);
+        tmp2 = load_reg(s, UCOP_REG_N);
+        tcg_gen_mul_i32(tmp, tmp, tmp2);
+        dead_tmp(tmp2);
+        if (UCOP_SET(25)) {
+            /* Add */
+            tmp2 = load_reg(s, UCOP_REG_S);
+            tcg_gen_add_i32(tmp, tmp, tmp2);
+            dead_tmp(tmp2);
+        }
+        if (UCOP_SET_S) {
+            gen_logic_CC(tmp);
+        }
+        store_reg(s, UCOP_REG_D, tmp);
+    }
+}
+
+/* miscellaneous instructions */
+static void do_misc(CPUState *env, DisasContext *s, uint32_t insn)
+{
+    unsigned int val;
+    TCGv tmp;
+
+    if ((insn & 0xffffffe0) == 0x10ffc120) {
+        /* Trivial implementation equivalent to bx.  */
+        tmp = load_reg(s, UCOP_REG_M);
+        gen_bx(s, tmp);
+        return;
+    }
+
+    if ((insn & 0xfbffc000) == 0x30ffc000) {
+        /* PSR = immediate */
+        val = UCOP_IMM_9;
+        if (UCOP_SH_IM) {
+            val = (val >> UCOP_SH_IM) | (val << (32 - UCOP_SH_IM));
+        }
+        tmp = new_tmp();
+        tcg_gen_movi_i32(tmp, val);
+        if (gen_set_psr(s, ~ASR_RESERVED, UCOP_SET_B, tmp)) {
+            ILLEGAL;
+        }
+        return;
+    }
+
+    if ((insn & 0xfbffffe0) == 0x12ffc020) {
+        /* PSR.flag = reg */
+        tmp = load_reg(s, UCOP_REG_M);
+        if (gen_set_psr(s, ASR_NZCV, UCOP_SET_B, tmp)) {
+            ILLEGAL;
+        }
+        return;
+    }
+
+    if ((insn & 0xfbffffe0) == 0x10ffc020) {
+        /* PSR = reg */
+        tmp = load_reg(s, UCOP_REG_M);
+        if (gen_set_psr(s, ~ASR_RESERVED, UCOP_SET_B, tmp)) {
+            ILLEGAL;
+        }
+        return;
+    }
+
+    if ((insn & 0xfbf83fff) == 0x10f80000) {
+        /* reg = PSR */
+        if (UCOP_SET_B) {
+            if (IS_USER(s)) {
+                ILLEGAL;
+            }
+            tmp = load_cpu_field(bsr);
+        } else {
+            tmp = new_tmp();
+            gen_helper_asr_read(tmp);
+        }
+        store_reg(s, UCOP_REG_D, tmp);
+        return;
+    }
+
+    if ((insn & 0xfbf83fe0) == 0x12f80120) {
+        /* clz */
+        tmp = load_reg(s, UCOP_REG_M);
+        if (UCOP_SET(26)) {
+            gen_helper_clo(tmp, tmp);
+        } else {
+            gen_helper_clz(tmp, tmp);
+        }
+        store_reg(s, UCOP_REG_D, tmp);
+        return;
+    }
+
+    /* otherwise */
+    ILLEGAL;
+}
+
+/* load/store I_offset and R_offset */
+static void do_ldst_ir(CPUState *env, DisasContext *s, uint32_t insn)
+{
+    unsigned int i;
+    TCGv tmp;
+    TCGv tmp2;
+
+    tmp2 = load_reg(s, UCOP_REG_N);
+    i = (IS_USER(s) || (!UCOP_SET_P && UCOP_SET_W));
+
+    /* immediate */
+    if (UCOP_SET_P) {
+        gen_add_data_offset(s, insn, tmp2);
+    }
+
+    if (UCOP_SET_L) {
+        /* load */
+        if (UCOP_SET_B) {
+            tmp = gen_ld8u(tmp2, i);
+        } else {
+            tmp = gen_ld32(tmp2, i);
+        }
+    } else {
+        /* store */
+        tmp = load_reg(s, UCOP_REG_D);
+        if (UCOP_SET_B) {
+            gen_st8(tmp, tmp2, i);
+        } else {
+            gen_st32(tmp, tmp2, i);
+        }
+    }
+    if (!UCOP_SET_P) {
+        gen_add_data_offset(s, insn, tmp2);
+        store_reg(s, UCOP_REG_N, tmp2);
+    } else if (UCOP_SET_W) {
+        store_reg(s, UCOP_REG_N, tmp2);
+    } else {
+        dead_tmp(tmp2);
+    }
+    if (UCOP_SET_L) {
+        /* Complete the load.  */
+        if (UCOP_REG_D == 31) {
+            gen_bx(s, tmp);
+        } else {
+            store_reg(s, UCOP_REG_D, tmp);
+        }
+    }
+}
+
+/* SWP instruction */
+static void do_swap(CPUState *env, DisasContext *s, uint32_t insn)
+{
+    TCGv addr;
+    TCGv tmp;
+    TCGv tmp2;
+
+    if ((insn & 0xff003fe0) != 0x40000120) {
+        ILLEGAL;
+    }
+
+    /* ??? This is not really atomic.  However we know
+       we never have multiple CPUs running in parallel,
+       so it is good enough.  */
+    addr = load_reg(s, UCOP_REG_N);
+    tmp = load_reg(s, UCOP_REG_M);
+    if (UCOP_SET_B) {
+        tmp2 = gen_ld8u(addr, IS_USER(s));
+        gen_st8(tmp, addr, IS_USER(s));
+    } else {
+        tmp2 = gen_ld32(addr, IS_USER(s));
+        gen_st32(tmp, addr, IS_USER(s));
+    }
+    dead_tmp(addr);
+    store_reg(s, UCOP_REG_D, tmp2);
+}
+
+/* load/store hw/sb */
+static void do_ldst_hwsb(CPUState *env, DisasContext *s, uint32_t insn)
+{
+    TCGv addr;
+    TCGv tmp;
+
+    if (UCOP_SH_OP == 0) {
+        do_swap(env, s, insn);
+        return;
+    }
+
+    addr = load_reg(s, UCOP_REG_N);
+    if (UCOP_SET_P) {
+        gen_add_datah_offset(s, insn, addr);
+    }
+
+    if (UCOP_SET_L) { /* load */
+        switch (UCOP_SH_OP) {
+        case 1:
+            tmp = gen_ld16u(addr, IS_USER(s));
+            break;
+        case 2:
+            tmp = gen_ld8s(addr, IS_USER(s));
+            break;
+        default: /* see do_swap */
+        case 3:
+            tmp = gen_ld16s(addr, IS_USER(s));
+            break;
+        }
+    } else { /* store */
+        if (UCOP_SH_OP != 1) {
+            ILLEGAL;
+        }
+        tmp = load_reg(s, UCOP_REG_D);
+        gen_st16(tmp, addr, IS_USER(s));
+    }
+    /* Perform base writeback before the loaded value to
+       ensure correct behavior with overlapping index registers. */
+    if (!UCOP_SET_P) {
+        gen_add_datah_offset(s, insn, addr);
+        store_reg(s, UCOP_REG_N, addr);
+    } else if (UCOP_SET_W) {
+        store_reg(s, UCOP_REG_N, addr);
+    } else {
+        dead_tmp(addr);
+    }
+    if (UCOP_SET_L) {
+        /* Complete the load.  */
+        store_reg(s, UCOP_REG_D, tmp);
+    }
+}
+
+/* load/store multiple words */
+static void do_ldst_m(CPUState *env, DisasContext *s, uint32_t insn)
+{
+    unsigned int val, i;
+    int j, n, reg, user, loaded_base;
+    TCGv tmp;
+    TCGv tmp2;
+    TCGv addr;
+    TCGv loaded_var;
+
+    if (UCOP_SET(7)) {
+        ILLEGAL;
+    }
+    /* XXX: store correct base if write back */
+    user = 0;
+    if (UCOP_SET_B) { /* S bit in instruction table */
+        if (IS_USER(s)) {
+            ILLEGAL; /* only usable in supervisor mode */
+        }
+        if (UCOP_SET(18) == 0) { /* pc reg */
+            user = 1;
+        }
+    }
+
+    addr = load_reg(s, UCOP_REG_N);
+
+    /* compute total size */
+    loaded_base = 0;
+    TCGV_UNUSED(loaded_var);
+    n = 0;
+    for (i = 0; i < 6; i++) {
+        if (UCOP_SET(i)) {
+            n++;
+        }
+    }
+    for (i = 9; i < 19; i++) {
+        if (UCOP_SET(i)) {
+            n++;
+        }
+    }
+    /* XXX: test invalid n == 0 case ? */
+    if (UCOP_SET_U) {
+        if (UCOP_SET_P) {
+            /* pre increment */
+            tcg_gen_addi_i32(addr, addr, 4);
+        } else {
+            /* post increment */
+        }
+    } else {
+        if (UCOP_SET_P) {
+            /* pre decrement */
+            tcg_gen_addi_i32(addr, addr, -(n * 4));
+        } else {
+            /* post decrement */
+            if (n != 1) {
+                tcg_gen_addi_i32(addr, addr, -((n - 1) * 4));
+            }
+        }
+    }
+
+    j = 0;
+    reg = UCOP_SET(6) ? 16 : 0;
+    for (i = 0; i < 19; i++, reg++) {
+        if (i == 6) {
+            i = i + 3;
+        }
+        if (UCOP_SET(i)) {
+            if (UCOP_SET_L) { /* load */
+                tmp = gen_ld32(addr, IS_USER(s));
+                if (reg == 31) {
+                    gen_bx(s, tmp);
+                } else if (user) {
+                    tmp2 = tcg_const_i32(reg);
+                    gen_helper_set_user_reg(tmp2, tmp);
+                    tcg_temp_free_i32(tmp2);
+                    dead_tmp(tmp);
+                } else if (reg == UCOP_REG_N) {
+                    loaded_var = tmp;
+                    loaded_base = 1;
+                } else {
+                    store_reg(s, reg, tmp);
+                }
+            } else { /* store */
+                if (reg == 31) {
+                    /* special case: r31 = PC + 4 */
+                    val = (long)s->pc;
+                    tmp = new_tmp();
+                    tcg_gen_movi_i32(tmp, val);
+                } else if (user) {
+                    tmp = new_tmp();
+                    tmp2 = tcg_const_i32(reg);
+                    gen_helper_get_user_reg(tmp, tmp2);
+                    tcg_temp_free_i32(tmp2);
+                } else {
+                    tmp = load_reg(s, reg);
+                }
+                gen_st32(tmp, addr, IS_USER(s));
+            }
+            j++;
+            /* no need to add after the last transfer */
+            if (j != n) {
+                tcg_gen_addi_i32(addr, addr, 4);
+            }
+        }
+    }
+    if (UCOP_SET_W) { /* write back */
+        if (UCOP_SET_U) {
+            if (UCOP_SET_P) {
+                /* pre increment */
+            } else {
+                /* post increment */
+                tcg_gen_addi_i32(addr, addr, 4);
+            }
+        } else {
+            if (UCOP_SET_P) {
+                /* pre decrement */
+                if (n != 1) {
+                    tcg_gen_addi_i32(addr, addr, -((n - 1) * 4));
+                }
+            } else {
+                /* post decrement */
+                tcg_gen_addi_i32(addr, addr, -(n * 4));
+            }
+        }
+        store_reg(s, UCOP_REG_N, addr);
+    } else {
+        dead_tmp(addr);
+    }
+    if (loaded_base) {
+        store_reg(s, UCOP_REG_N, loaded_var);
+    }
+    if (UCOP_SET_B && !user) {
+        /* Restore ASR from BSR.  */
+        tmp = load_cpu_field(bsr);
+        gen_set_asr(tmp, 0xffffffff);
+        dead_tmp(tmp);
+        s->is_jmp = DISAS_UPDATE;
+    }
+}
+
+/* branch (and link) */
+static void do_branch(CPUState *env, DisasContext *s, uint32_t insn)
+{
+    unsigned int val;
+    int32_t offset;
+    TCGv tmp;
+
+    if (UCOP_COND == 0xf) {
+        ILLEGAL;
+    }
+
+    if (UCOP_COND != 0xe) {
+        /* if not always execute, we generate a conditional jump to
+           next instruction */
+        s->condlabel = gen_new_label();
+        gen_test_cc(UCOP_COND ^ 1, s->condlabel);
+        s->condjmp = 1;
+    }
+
+    val = (int32_t)s->pc;
+    if (UCOP_SET_L) {
+        tmp = new_tmp();
+        tcg_gen_movi_i32(tmp, val);
+        store_reg(s, 30, tmp);
+    }
+    offset = (((int32_t)insn << 8) >> 8);
+    val += (offset << 2); /* unicore is pc+4 */
+    gen_jmp(s, val);
+}
+
+static void disas_uc32_insn(CPUState *env, DisasContext *s)
+{
+    unsigned int insn;
+
+    insn = ldl_code(s->pc);
+    s->pc += 4;
+
+    /* UniCore instructions class:
+     * AAAB BBBC xxxx xxxx xxxx xxxD xxEx xxxx
+     * AAA  : see switch case
+     * BBBB : opcodes or cond or PUBW
+     * C    : S OR L
+     * D    : 8
+     * E    : 5
+     */
+    switch (insn >> 29) {
+    case 0b000:
+        if (UCOP_SET(5) && UCOP_SET(8) && !UCOP_SET(28)) {
+            do_mult(env, s, insn);
+            break;
+        }
+
+        if (UCOP_SET(8)) {
+            do_misc(env, s, insn);
+            break;
+        }
+    case 0b001:
+        if (((UCOP_OPCODES >> 2) == 2) && !UCOP_SET_S) {
+            do_misc(env, s, insn);
+            break;
+        }
+        do_datap(env, s, insn);
+        break;
+
+    case 0b010:
+        if (UCOP_SET(8) && UCOP_SET(5)) {
+            do_ldst_hwsb(env, s, insn);
+            break;
+        }
+        if (UCOP_SET(8) || UCOP_SET(5)) {
+            ILLEGAL;
+        }
+    case 0b011:
+        do_ldst_ir(env, s, insn);
+        break;
+
+    case 0b100:
+        if (UCOP_SET(8)) {
+            ILLEGAL; /* extended instructions */
+        }
+        do_ldst_m(env, s, insn);
+        break;
+    case 0b101:
+        do_branch(env, s, insn);
+        break;
+    case 0b110:
+        /* Coprocessor.  */
+        disas_coproc_insn(env, s, insn);
+        break;
+    case 0b111:
+        if (!UCOP_SET(28)) {
+            disas_coproc_insn(env, s, insn);
+            break;
+        }
+        if ((insn & 0xff000000) == 0xff000000) { /* syscall */
+            gen_set_pc_im(s->pc);
+            s->is_jmp = DISAS_SYSCALL;
+            break;
+        }
+        ILLEGAL;
+    }
+
+    return;
+}
+
+/* generate intermediate code in gen_opc_buf and gen_opparam_buf for
+   basic block 'tb'. If search_pc is TRUE, also generate PC
+   information for each intermediate instruction. */
+static inline void gen_intermediate_code_internal(CPUState *env,
+        TranslationBlock *tb, int search_pc)
+{
+    DisasContext dc1, *dc = &dc1;
+    CPUBreakpoint *bp;
+    uint16_t *gen_opc_end;
+    int j, lj;
+    target_ulong pc_start;
+    uint32_t next_page_start;
+    int num_insns;
+    int max_insns;
+
+    /* generate intermediate code */
+    num_temps = 0;
+
+    pc_start = tb->pc;
+
+    dc->tb = tb;
+
+    gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
+
+    dc->is_jmp = DISAS_NEXT;
+    dc->pc = pc_start;
+    dc->singlestep_enabled = env->singlestep_enabled;
+    dc->condjmp = 0;
+    cpu_F0s = tcg_temp_new_i32();
+    cpu_F1s = tcg_temp_new_i32();
+    cpu_F0d = tcg_temp_new_i64();
+    cpu_F1d = tcg_temp_new_i64();
+    next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE;
+    lj = -1;
+    num_insns = 0;
+    max_insns = tb->cflags & CF_COUNT_MASK;
+    if (max_insns == 0) {
+        max_insns = CF_COUNT_MASK;
+    }
+
+    gen_icount_start();
+    do {
+        if (unlikely(!QTAILQ_EMPTY(&env->breakpoints))) {
+            QTAILQ_FOREACH(bp, &env->breakpoints, entry) {
+                if (bp->pc == dc->pc) {
+                    gen_set_pc_im(dc->pc);
+                    gen_exception(EXCP_DEBUG);
+                    dc->is_jmp = DISAS_JUMP;
+                    /* Advance PC so that clearing the breakpoint will
+                       invalidate this TB.  */
+                    dc->pc += 2; /* FIXME */
+                    goto done_generating;
+                    break;
+                }
+            }
+        }
+        if (search_pc) {
+            j = gen_opc_ptr - gen_opc_buf;
+            if (lj < j) {
+                lj++;
+                while (lj < j) {
+                    gen_opc_instr_start[lj++] = 0;
+                }
+            }
+            gen_opc_pc[lj] = dc->pc;
+            gen_opc_instr_start[lj] = 1;
+            gen_opc_icount[lj] = num_insns;
+        }
+
+        if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) {
+            gen_io_start();
+        }
+
+        disas_uc32_insn(env, dc);
+
+        if (num_temps) {
+            fprintf(stderr, "Internal resource leak before %08x\n", dc->pc);
+            num_temps = 0;
+        }
+
+        if (dc->condjmp && !dc->is_jmp) {
+            gen_set_label(dc->condlabel);
+            dc->condjmp = 0;
+        }
+        /* Translation stops when a conditional branch is encountered.
+         * Otherwise the subsequent code could get translated several times.
+         * Also stop translation when a page boundary is reached.  This
+         * ensures prefetch aborts occur at the right place.  */
+        num_insns++;
+    } while (!dc->is_jmp && gen_opc_ptr < gen_opc_end &&
+             !env->singlestep_enabled &&
+             !singlestep &&
+             dc->pc < next_page_start &&
+             num_insns < max_insns);
+
+    if (tb->cflags & CF_LAST_IO) {
+        if (dc->condjmp) {
+            /* FIXME:  This can theoretically happen with self-modifying
+               code.  */
+            cpu_abort(env, "IO on conditional branch instruction");
+        }
+        gen_io_end();
+    }
+
+    /* At this stage dc->condjmp will only be set when the skipped
+       instruction was a conditional branch or trap, and the PC has
+       already been written.  */
+    if (unlikely(env->singlestep_enabled)) {
+        /* Make sure the pc is updated, and raise a debug exception.  */
+        if (dc->condjmp) {
+            if (dc->is_jmp == DISAS_SYSCALL) {
+                gen_exception(UC32_EXCP_PRIV);
+            } else {
+                gen_exception(EXCP_DEBUG);
+            }
+            gen_set_label(dc->condlabel);
+        }
+        if (dc->condjmp || !dc->is_jmp) {
+            gen_set_pc_im(dc->pc);
+            dc->condjmp = 0;
+        }
+        if (dc->is_jmp == DISAS_SYSCALL && !dc->condjmp) {
+            gen_exception(UC32_EXCP_PRIV);
+        } else {
+            gen_exception(EXCP_DEBUG);
+        }
+    } else {
+        /* While branches must always occur at the end of an IT block,
+           there are a few other things that can cause us to terminate
+           the TB in the middel of an IT block:
+            - Exception generating instructions (bkpt, swi, undefined).
+            - Page boundaries.
+            - Hardware watchpoints.
+           Hardware breakpoints have already been handled and skip this code.
+         */
+        switch (dc->is_jmp) {
+        case DISAS_NEXT:
+            gen_goto_tb(dc, 1, dc->pc);
+            break;
+        default:
+        case DISAS_JUMP:
+        case DISAS_UPDATE:
+            /* indicate that the hash table must be used to find the next TB */
+            tcg_gen_exit_tb(0);
+            break;
+        case DISAS_TB_JUMP:
+            /* nothing more to generate */
+            break;
+        case DISAS_SYSCALL:
+            gen_exception(UC32_EXCP_PRIV);
+            break;
+        }
+        if (dc->condjmp) {
+            gen_set_label(dc->condlabel);
+            gen_goto_tb(dc, 1, dc->pc);
+            dc->condjmp = 0;
+        }
+    }
+
+done_generating:
+    gen_icount_end(tb, num_insns);
+    *gen_opc_ptr = INDEX_op_end;
+
+#ifdef DEBUG_DISAS
+    if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
+        qemu_log("----------------\n");
+        qemu_log("IN: %s\n", lookup_symbol(pc_start));
+        log_target_disas(pc_start, dc->pc - pc_start, 0);
+        qemu_log("\n");
+    }
+#endif
+    if (search_pc) {
+        j = gen_opc_ptr - gen_opc_buf;
+        lj++;
+        while (lj <= j) {
+            gen_opc_instr_start[lj++] = 0;
+        }
+    } else {
+        tb->size = dc->pc - pc_start;
+        tb->icount = num_insns;
+    }
+}
+
+void gen_intermediate_code(CPUState *env, TranslationBlock *tb)
+{
+    gen_intermediate_code_internal(env, tb, 0);
+}
+
+void gen_intermediate_code_pc(CPUState *env, TranslationBlock *tb)
+{
+    gen_intermediate_code_internal(env, tb, 1);
+}
+
+static const char *cpu_mode_names[16] = {
+    "USER", "REAL", "INTR", "PRIV", "UM14", "UM15", "UM16", "TRAP",
+    "UM18", "UM19", "UM1A", "EXTN", "UM1C", "UM1D", "UM1E", "SUSR"
+};
+
+#define UCF64_DUMP_STATE
+void cpu_dump_state(CPUState *env, FILE *f, fprintf_function cpu_fprintf,
+        int flags)
+{
+    int i;
+#ifdef UCF64_DUMP_STATE
+    union {
+        uint32_t i;
+        float s;
+    } s0, s1;
+    CPU_DoubleU d;
+    /* ??? This assumes float64 and double have the same layout.
+       Oh well, it's only debug dumps.  */
+    union {
+        float64 f64;
+        double d;
+    } d0;
+#endif
+    uint32_t psr;
+
+    for (i = 0; i < 32; i++) {
+        cpu_fprintf(f, "R%02d=%08x", i, env->regs[i]);
+        if ((i % 4) == 3) {
+            cpu_fprintf(f, "\n");
+        } else {
+            cpu_fprintf(f, " ");
+        }
+    }
+    psr = cpu_asr_read(env);
+    cpu_fprintf(f, "PSR=%08x %c%c%c%c %s\n",
+                psr,
+                psr & (1 << 31) ? 'N' : '-',
+                psr & (1 << 30) ? 'Z' : '-',
+                psr & (1 << 29) ? 'C' : '-',
+                psr & (1 << 28) ? 'V' : '-',
+                cpu_mode_names[psr & 0xf]);
+
+#ifdef UCF64_DUMP_STATE
+    for (i = 0; i < 16; i++) {
+        d.d = env->ucf64.regs[i];
+        s0.i = d.l.lower;
+        s1.i = d.l.upper;
+        d0.f64 = d.d;
+        cpu_fprintf(f, "s%02d=%08x(%8g) s%02d=%08x(%8g) d%02d=%" PRIx64 "(%8g)\n",
+                    i * 2, (int)s0.i, s0.s,
+                    i * 2 + 1, (int)s1.i, s1.s,
+                    i, (uint64_t)d0.f64, d0.d);
+    }
+    cpu_fprintf(f, "FPSCR: %08x\n", (int)env->ucf64.xregs[UC32_UCF64_FPSCR]);
+#endif
+}
+
+void gen_pc_load(CPUState *env, TranslationBlock *tb,
+        unsigned long searched_pc, int pc_pos, void *puc)
+{
+    env->regs[31] = gen_opc_pc[pc_pos];
+}