diff -r ffa851df0825 -r 2fb8b9db1c86 symbian-qemu-0.9.1-12/qemu-symbian-svp/target-sh4/op_helper.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/qemu-symbian-svp/target-sh4/op_helper.c	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,606 @@
+/*
+ *  SH4 emulation
+ *
+ *  Copyright (c) 2005 Samuel Tardieu
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#include <assert.h>
+#include "exec.h"
+#include "helper.h"
+
+#ifndef CONFIG_USER_ONLY
+
+#define MMUSUFFIX _mmu
+
+#define SHIFT 0
+#include "softmmu_template.h"
+
+#define SHIFT 1
+#include "softmmu_template.h"
+
+#define SHIFT 2
+#include "softmmu_template.h"
+
+#define SHIFT 3
+#include "softmmu_template.h"
+
+void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr)
+{
+    TranslationBlock *tb;
+    CPUState *saved_env;
+    unsigned long pc;
+    int ret;
+
+    /* XXX: hack to restore env in all cases, even if not called from
+       generated code */
+    saved_env = env;
+    env = cpu_single_env;
+    ret = cpu_sh4_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
+    if (ret) {
+	if (retaddr) {
+	    /* now we have a real cpu fault */
+	    pc = (unsigned long) retaddr;
+	    tb = tb_find_pc(pc);
+	    if (tb) {
+		/* the PC is inside the translated code. It means that we have
+		   a virtual CPU fault */
+		cpu_restore_state(tb, env, pc, NULL);
+	    }
+	}
+	cpu_loop_exit();
+    }
+    env = saved_env;
+}
+
+#endif
+
+void helper_ldtlb(void)
+{
+#ifdef CONFIG_USER_ONLY
+    /* XXXXX */
+    assert(0);
+#else
+    cpu_load_tlb(env);
+#endif
+}
+
+void helper_raise_illegal_instruction(void)
+{
+    env->exception_index = 0x180;
+    cpu_loop_exit();
+}
+
+void helper_raise_slot_illegal_instruction(void)
+{
+    env->exception_index = 0x1a0;
+    cpu_loop_exit();
+}
+
+void helper_raise_fpu_disable(void)
+{
+  env->exception_index = 0x800;
+  cpu_loop_exit();
+}
+
+void helper_raise_slot_fpu_disable(void)
+{
+  env->exception_index = 0x820;
+  cpu_loop_exit();
+}
+
+void helper_debug(void)
+{
+    env->exception_index = EXCP_DEBUG;
+    cpu_loop_exit();
+}
+
+void helper_sleep(uint32_t next_pc)
+{
+    env->halted = 1;
+    env->exception_index = EXCP_HLT;
+    env->pc = next_pc;
+    cpu_loop_exit();
+}
+
+void helper_trapa(uint32_t tra)
+{
+    env->tra = tra << 2;
+    env->exception_index = 0x160;
+    cpu_loop_exit();
+}
+
+uint32_t helper_addc(uint32_t arg0, uint32_t arg1)
+{
+    uint32_t tmp0, tmp1;
+
+    tmp1 = arg0 + arg1;
+    tmp0 = arg1;
+    arg1 = tmp1 + (env->sr & 1);
+    if (tmp0 > tmp1)
+	env->sr |= SR_T;
+    else
+	env->sr &= ~SR_T;
+    if (tmp1 > arg1)
+	env->sr |= SR_T;
+    return arg1;
+}
+
+uint32_t helper_addv(uint32_t arg0, uint32_t arg1)
+{
+    uint32_t dest, src, ans;
+
+    if ((int32_t) arg1 >= 0)
+	dest = 0;
+    else
+	dest = 1;
+    if ((int32_t) arg0 >= 0)
+	src = 0;
+    else
+	src = 1;
+    src += dest;
+    arg1 += arg0;
+    if ((int32_t) arg1 >= 0)
+	ans = 0;
+    else
+	ans = 1;
+    ans += dest;
+    if (src == 0 || src == 2) {
+	if (ans == 1)
+	    env->sr |= SR_T;
+	else
+	    env->sr &= ~SR_T;
+    } else
+	env->sr &= ~SR_T;
+    return arg1;
+}
+
+#define T (env->sr & SR_T)
+#define Q (env->sr & SR_Q ? 1 : 0)
+#define M (env->sr & SR_M ? 1 : 0)
+#define SETT env->sr |= SR_T
+#define CLRT env->sr &= ~SR_T
+#define SETQ env->sr |= SR_Q
+#define CLRQ env->sr &= ~SR_Q
+#define SETM env->sr |= SR_M
+#define CLRM env->sr &= ~SR_M
+
+uint32_t helper_div1(uint32_t arg0, uint32_t arg1)
+{
+    uint32_t tmp0, tmp2;
+    uint8_t old_q, tmp1 = 0xff;
+
+    //printf("div1 arg0=0x%08x arg1=0x%08x M=%d Q=%d T=%d\n", arg0, arg1, M, Q, T);
+    old_q = Q;
+    if ((0x80000000 & arg1) != 0)
+	SETQ;
+    else
+	CLRQ;
+    tmp2 = arg0;
+    arg1 <<= 1;
+    arg1 |= T;
+    switch (old_q) {
+    case 0:
+	switch (M) {
+	case 0:
+	    tmp0 = arg1;
+	    arg1 -= tmp2;
+	    tmp1 = arg1 > tmp0;
+	    switch (Q) {
+	    case 0:
+		if (tmp1)
+		    SETQ;
+		else
+		    CLRQ;
+		break;
+	    case 1:
+		if (tmp1 == 0)
+		    SETQ;
+		else
+		    CLRQ;
+		break;
+	    }
+	    break;
+	case 1:
+	    tmp0 = arg1;
+	    arg1 += tmp2;
+	    tmp1 = arg1 < tmp0;
+	    switch (Q) {
+	    case 0:
+		if (tmp1 == 0)
+		    SETQ;
+		else
+		    CLRQ;
+		break;
+	    case 1:
+		if (tmp1)
+		    SETQ;
+		else
+		    CLRQ;
+		break;
+	    }
+	    break;
+	}
+	break;
+    case 1:
+	switch (M) {
+	case 0:
+	    tmp0 = arg1;
+	    arg1 += tmp2;
+	    tmp1 = arg1 < tmp0;
+	    switch (Q) {
+	    case 0:
+		if (tmp1)
+		    SETQ;
+		else
+		    CLRQ;
+		break;
+	    case 1:
+		if (tmp1 == 0)
+		    SETQ;
+		else
+		    CLRQ;
+		break;
+	    }
+	    break;
+	case 1:
+	    tmp0 = arg1;
+	    arg1 -= tmp2;
+	    tmp1 = arg1 > tmp0;
+	    switch (Q) {
+	    case 0:
+		if (tmp1 == 0)
+		    SETQ;
+		else
+		    CLRQ;
+		break;
+	    case 1:
+		if (tmp1)
+		    SETQ;
+		else
+		    CLRQ;
+		break;
+	    }
+	    break;
+	}
+	break;
+    }
+    if (Q == M)
+	SETT;
+    else
+	CLRT;
+    //printf("Output: arg1=0x%08x M=%d Q=%d T=%d\n", arg1, M, Q, T);
+    return arg1;
+}
+
+void helper_macl(uint32_t arg0, uint32_t arg1)
+{
+    int64_t res;
+
+    res = ((uint64_t) env->mach << 32) | env->macl;
+    res += (int64_t) (int32_t) arg0 *(int64_t) (int32_t) arg1;
+    env->mach = (res >> 32) & 0xffffffff;
+    env->macl = res & 0xffffffff;
+    if (env->sr & SR_S) {
+	if (res < 0)
+	    env->mach |= 0xffff0000;
+	else
+	    env->mach &= 0x00007fff;
+    }
+}
+
+void helper_macw(uint32_t arg0, uint32_t arg1)
+{
+    int64_t res;
+
+    res = ((uint64_t) env->mach << 32) | env->macl;
+    res += (int64_t) (int16_t) arg0 *(int64_t) (int16_t) arg1;
+    env->mach = (res >> 32) & 0xffffffff;
+    env->macl = res & 0xffffffff;
+    if (env->sr & SR_S) {
+	if (res < -0x80000000) {
+	    env->mach = 1;
+	    env->macl = 0x80000000;
+	} else if (res > 0x000000007fffffff) {
+	    env->mach = 1;
+	    env->macl = 0x7fffffff;
+	}
+    }
+}
+
+uint32_t helper_negc(uint32_t arg)
+{
+    uint32_t temp;
+
+    temp = -arg;
+    arg = temp - (env->sr & SR_T);
+    if (0 < temp)
+	env->sr |= SR_T;
+    else
+	env->sr &= ~SR_T;
+    if (temp < arg)
+	env->sr |= SR_T;
+    return arg;
+}
+
+uint32_t helper_subc(uint32_t arg0, uint32_t arg1)
+{
+    uint32_t tmp0, tmp1;
+
+    tmp1 = arg1 - arg0;
+    tmp0 = arg1;
+    arg1 = tmp1 - (env->sr & SR_T);
+    if (tmp0 < tmp1)
+	env->sr |= SR_T;
+    else
+	env->sr &= ~SR_T;
+    if (tmp1 < arg1)
+	env->sr |= SR_T;
+    return arg1;
+}
+
+uint32_t helper_subv(uint32_t arg0, uint32_t arg1)
+{
+    int32_t dest, src, ans;
+
+    if ((int32_t) arg1 >= 0)
+	dest = 0;
+    else
+	dest = 1;
+    if ((int32_t) arg0 >= 0)
+	src = 0;
+    else
+	src = 1;
+    src += dest;
+    arg1 -= arg0;
+    if ((int32_t) arg1 >= 0)
+	ans = 0;
+    else
+	ans = 1;
+    ans += dest;
+    if (src == 1) {
+	if (ans == 1)
+	    env->sr |= SR_T;
+	else
+	    env->sr &= ~SR_T;
+    } else
+	env->sr &= ~SR_T;
+    return arg1;
+}
+
+static inline void set_t(void)
+{
+    env->sr |= SR_T;
+}
+
+static inline void clr_t(void)
+{
+    env->sr &= ~SR_T;
+}
+
+void helper_ld_fpscr(uint32_t val)
+{
+    env->fpscr = val & 0x003fffff;
+    if (val & 0x01)
+	set_float_rounding_mode(float_round_to_zero, &env->fp_status);
+    else
+	set_float_rounding_mode(float_round_nearest_even, &env->fp_status);
+}
+
+uint32_t helper_fabs_FT(uint32_t t0)
+{
+    CPU_FloatU f;
+    f.l = t0;
+    f.f = float32_abs(f.f);
+    return f.l;
+}
+
+uint64_t helper_fabs_DT(uint64_t t0)
+{
+    CPU_DoubleU d;
+    d.ll = t0;
+    d.d = float64_abs(d.d);
+    return d.ll;
+}
+
+uint32_t helper_fadd_FT(uint32_t t0, uint32_t t1)
+{
+    CPU_FloatU f0, f1;
+    f0.l = t0;
+    f1.l = t1;
+    f0.f = float32_add(f0.f, f1.f, &env->fp_status);
+    return f0.l;
+}
+
+uint64_t helper_fadd_DT(uint64_t t0, uint64_t t1)
+{
+    CPU_DoubleU d0, d1;
+    d0.ll = t0;
+    d1.ll = t1;
+    d0.d = float64_add(d0.d, d1.d, &env->fp_status);
+    return d0.ll;
+}
+
+void helper_fcmp_eq_FT(uint32_t t0, uint32_t t1)
+{
+    CPU_FloatU f0, f1;
+    f0.l = t0;
+    f1.l = t1;
+
+    if (float32_compare(f0.f, f1.f, &env->fp_status) == 0)
+	set_t();
+    else
+	clr_t();
+}
+
+void helper_fcmp_eq_DT(uint64_t t0, uint64_t t1)
+{
+    CPU_DoubleU d0, d1;
+    d0.ll = t0;
+    d1.ll = t1;
+
+    if (float64_compare(d0.d, d1.d, &env->fp_status) == 0)
+	set_t();
+    else
+	clr_t();
+}
+
+void helper_fcmp_gt_FT(uint32_t t0, uint32_t t1)
+{
+    CPU_FloatU f0, f1;
+    f0.l = t0;
+    f1.l = t1;
+
+    if (float32_compare(f0.f, f1.f, &env->fp_status) == 1)
+	set_t();
+    else
+	clr_t();
+}
+
+void helper_fcmp_gt_DT(uint64_t t0, uint64_t t1)
+{
+    CPU_DoubleU d0, d1;
+    d0.ll = t0;
+    d1.ll = t1;
+
+    if (float64_compare(d0.d, d1.d, &env->fp_status) == 1)
+	set_t();
+    else
+	clr_t();
+}
+
+uint64_t helper_fcnvsd_FT_DT(uint32_t t0)
+{
+    CPU_DoubleU d;
+    CPU_FloatU f;
+    f.l = t0;
+    d.d = float32_to_float64(f.f, &env->fp_status);
+    return d.ll;
+}
+
+uint32_t helper_fcnvds_DT_FT(uint64_t t0)
+{
+    CPU_DoubleU d;
+    CPU_FloatU f;
+    d.ll = t0;
+    f.f = float64_to_float32(d.d, &env->fp_status);
+    return f.l;
+}
+
+uint32_t helper_fdiv_FT(uint32_t t0, uint32_t t1)
+{
+    CPU_FloatU f0, f1;
+    f0.l = t0;
+    f1.l = t1;
+    f0.f = float32_div(f0.f, f1.f, &env->fp_status);
+    return f0.l;
+}
+
+uint64_t helper_fdiv_DT(uint64_t t0, uint64_t t1)
+{
+    CPU_DoubleU d0, d1;
+    d0.ll = t0;
+    d1.ll = t1;
+    d0.d = float64_div(d0.d, d1.d, &env->fp_status);
+    return d0.ll;
+}
+
+uint32_t helper_float_FT(uint32_t t0)
+{
+    CPU_FloatU f;
+    f.f = int32_to_float32(t0, &env->fp_status);
+    return f.l;
+}
+
+uint64_t helper_float_DT(uint32_t t0)
+{
+    CPU_DoubleU d;
+    d.d = int32_to_float64(t0, &env->fp_status);
+    return d.ll;
+}
+
+uint32_t helper_fmul_FT(uint32_t t0, uint32_t t1)
+{
+    CPU_FloatU f0, f1;
+    f0.l = t0;
+    f1.l = t1;
+    f0.f = float32_mul(f0.f, f1.f, &env->fp_status);
+    return f0.l;
+}
+
+uint64_t helper_fmul_DT(uint64_t t0, uint64_t t1)
+{
+    CPU_DoubleU d0, d1;
+    d0.ll = t0;
+    d1.ll = t1;
+    d0.d = float64_mul(d0.d, d1.d, &env->fp_status);
+    return d0.ll;
+}
+
+uint32_t helper_fneg_T(uint32_t t0)
+{
+    CPU_FloatU f;
+    f.l = t0;
+    f.f = float32_chs(f.f);
+    return f.l;
+}
+
+uint32_t helper_fsqrt_FT(uint32_t t0)
+{
+    CPU_FloatU f;
+    f.l = t0;
+    f.f = float32_sqrt(f.f, &env->fp_status);
+    return f.l;
+}
+
+uint64_t helper_fsqrt_DT(uint64_t t0)
+{
+    CPU_DoubleU d;
+    d.ll = t0;
+    d.d = float64_sqrt(d.d, &env->fp_status);
+    return d.ll;
+}
+
+uint32_t helper_fsub_FT(uint32_t t0, uint32_t t1)
+{
+    CPU_FloatU f0, f1;
+    f0.l = t0;
+    f1.l = t1;
+    f0.f = float32_sub(f0.f, f1.f, &env->fp_status);
+    return f0.l;
+}
+
+uint64_t helper_fsub_DT(uint64_t t0, uint64_t t1)
+{
+    CPU_DoubleU d0, d1;
+    d0.ll = t0;
+    d1.ll = t1;
+    d0.d = float64_sub(d0.d, d1.d, &env->fp_status);
+    return d0.ll;
+}
+
+uint32_t helper_ftrc_FT(uint32_t t0)
+{
+    CPU_FloatU f;
+    f.l = t0;
+    return float32_to_int32_round_to_zero(f.f, &env->fp_status);
+}
+
+uint32_t helper_ftrc_DT(uint64_t t0)
+{
+    CPU_DoubleU d;
+    d.ll = t0;
+    return float64_to_int32_round_to_zero(d.d, &env->fp_status);
+}