Patchwork [02/15] Sparc: split helper.c

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Submitter Blue Swirl
Date Sept. 11, 2011, 1:29 p.m.
Message ID <CAAu8pHv_mMwCnryR9L0GqFfmXGgi9gEp+Noe8T4LXbJe+jcHNQ@mail.gmail.com>
Download mbox | patch
Permalink /patch/114216/
State New
Headers show

Comments

Blue Swirl - Sept. 11, 2011, 1:29 p.m.
Move CPU init to cpu_init.c and interrupt handling to int_helper.c.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
---
 Makefile.target           |    3 +
 target-sparc/cpu.h        |    3 +-
 target-sparc/cpu_init.c   |  848 +++++++++++++++++++++++++++++++++++
 target-sparc/helper.c     | 1082 ---------------------------------------------
 target-sparc/int_helper.c |  264 +++++++++++
 target-sparc/op_helper.c  |    1 -
 6 files changed, 1117 insertions(+), 1084 deletions(-)
 create mode 100644 target-sparc/cpu_init.c
 create mode 100644 target-sparc/int_helper.c

Patch

diff --git a/Makefile.target b/Makefile.target
index f708453..c3074f4 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -76,6 +76,9 @@  libobj-y += cpuid.o
 endif
 libobj-$(CONFIG_NEED_MMU) += mmu.o
 libobj-$(TARGET_ARM) += neon_helper.o iwmmxt_helper.o
+ifeq ($(TARGET_BASE_ARCH), sparc)
+libobj-y += int_helper.o cpu_init.o
+endif

 libobj-y += disas.o

diff --git a/target-sparc/cpu.h b/target-sparc/cpu.h
index 19de5ba..c9ab7e4 100644
--- a/target-sparc/cpu.h
+++ b/target-sparc/cpu.h
@@ -485,10 +485,11 @@  typedef struct CPUSPARCState {
 } CPUSPARCState;

 #ifndef NO_CPU_IO_DEFS
-/* helper.c */
+/* cpu_init.c */
 CPUSPARCState *cpu_sparc_init(const char *cpu_model);
 void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu);
 void sparc_cpu_list(FILE *f, fprintf_function cpu_fprintf);
+/* helper.c */
 int cpu_sparc_handle_mmu_fault(CPUSPARCState *env1, target_ulong
address, int rw,
                                int mmu_idx);
 #define cpu_handle_mmu_fault cpu_sparc_handle_mmu_fault
diff --git a/target-sparc/cpu_init.c b/target-sparc/cpu_init.c
new file mode 100644
index 0000000..08b72a9
--- /dev/null
+++ b/target-sparc/cpu_init.c
@@ -0,0 +1,848 @@ 
+/*
+ * Sparc CPU init helpers
+ *
+ *  Copyright (c) 2003-2005 Fabrice Bellard
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "cpu.h"
+
+//#define DEBUG_FEATURES
+
+static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model);
+
+void cpu_reset(CPUSPARCState *env)
+{
+    if (qemu_loglevel_mask(CPU_LOG_RESET)) {
+        qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
+        log_cpu_state(env, 0);
+    }
+
+    tlb_flush(env, 1);
+    env->cwp = 0;
+#ifndef TARGET_SPARC64
+    env->wim = 1;
+#endif
+    env->regwptr = env->regbase + (env->cwp * 16);
+    CC_OP = CC_OP_FLAGS;
+#if defined(CONFIG_USER_ONLY)
+#ifdef TARGET_SPARC64
+    env->cleanwin = env->nwindows - 2;
+    env->cansave = env->nwindows - 2;
+    env->pstate = PS_RMO | PS_PEF | PS_IE;
+    env->asi = 0x82; /* Primary no-fault */
+#endif
+#else
+#if !defined(TARGET_SPARC64)
+    env->psret = 0;
+    env->psrs = 1;
+    env->psrps = 1;
+#endif
+#ifdef TARGET_SPARC64
+    env->pstate = PS_PRIV|PS_RED|PS_PEF|PS_AG;
+    env->hpstate = cpu_has_hypervisor(env) ? HS_PRIV : 0;
+    env->tl = env->maxtl;
+    cpu_tsptr(env)->tt = TT_POWER_ON_RESET;
+    env->lsu = 0;
+#else
+    env->mmuregs[0] &= ~(MMU_E | MMU_NF);
+    env->mmuregs[0] |= env->def->mmu_bm;
+#endif
+    env->pc = 0;
+    env->npc = env->pc + 4;
+#endif
+    env->cache_control = 0;
+}
+
+static int cpu_sparc_register(CPUSPARCState *env, const char *cpu_model)
+{
+    sparc_def_t def1, *def = &def1;
+
+    if (cpu_sparc_find_by_name(def, cpu_model) < 0) {
+        return -1;
+    }
+
+    env->def = g_malloc0(sizeof(*def));
+    memcpy(env->def, def, sizeof(*def));
+#if defined(CONFIG_USER_ONLY)
+    if ((env->def->features & CPU_FEATURE_FLOAT)) {
+        env->def->features |= CPU_FEATURE_FLOAT128;
+    }
+#endif
+    env->cpu_model_str = cpu_model;
+    env->version = def->iu_version;
+    env->fsr = def->fpu_version;
+    env->nwindows = def->nwindows;
+#if !defined(TARGET_SPARC64)
+    env->mmuregs[0] |= def->mmu_version;
+    cpu_sparc_set_id(env, 0);
+    env->mxccregs[7] |= def->mxcc_version;
+#else
+    env->mmu_version = def->mmu_version;
+    env->maxtl = def->maxtl;
+    env->version |= def->maxtl << 8;
+    env->version |= def->nwindows - 1;
+#endif
+    return 0;
+}
+
+static void cpu_sparc_close(CPUSPARCState *env)
+{
+    free(env->def);
+    free(env);
+}
+
+CPUSPARCState *cpu_sparc_init(const char *cpu_model)
+{
+    CPUSPARCState *env;
+
+    env = g_malloc0(sizeof(CPUSPARCState));
+    cpu_exec_init(env);
+
+    gen_intermediate_code_init(env);
+
+    if (cpu_sparc_register(env, cpu_model) < 0) {
+        cpu_sparc_close(env);
+        return NULL;
+    }
+    qemu_init_vcpu(env);
+
+    return env;
+}
+
+void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu)
+{
+#if !defined(TARGET_SPARC64)
+    env->mxccregs[7] = ((cpu + 8) & 0xf) << 24;
+#endif
+}
+
+static const sparc_def_t sparc_defs[] = {
+#ifdef TARGET_SPARC64
+    {
+        .name = "Fujitsu Sparc64",
+        .iu_version = ((0x04ULL << 48) | (0x02ULL << 32) | (0ULL << 24)),
+        .fpu_version = 0x00000000,
+        .mmu_version = mmu_us_12,
+        .nwindows = 4,
+        .maxtl = 4,
+        .features = CPU_DEFAULT_FEATURES,
+    },
+    {
+        .name = "Fujitsu Sparc64 III",
+        .iu_version = ((0x04ULL << 48) | (0x03ULL << 32) | (0ULL << 24)),
+        .fpu_version = 0x00000000,
+        .mmu_version = mmu_us_12,
+        .nwindows = 5,
+        .maxtl = 4,
+        .features = CPU_DEFAULT_FEATURES,
+    },
+    {
+        .name = "Fujitsu Sparc64 IV",
+        .iu_version = ((0x04ULL << 48) | (0x04ULL << 32) | (0ULL << 24)),
+        .fpu_version = 0x00000000,
+        .mmu_version = mmu_us_12,
+        .nwindows = 8,
+        .maxtl = 5,
+        .features = CPU_DEFAULT_FEATURES,
+    },
+    {
+        .name = "Fujitsu Sparc64 V",
+        .iu_version = ((0x04ULL << 48) | (0x05ULL << 32) | (0x51ULL << 24)),
+        .fpu_version = 0x00000000,
+        .mmu_version = mmu_us_12,
+        .nwindows = 8,
+        .maxtl = 5,
+        .features = CPU_DEFAULT_FEATURES,
+    },
+    {
+        .name = "TI UltraSparc I",
+        .iu_version = ((0x17ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
+        .fpu_version = 0x00000000,
+        .mmu_version = mmu_us_12,
+        .nwindows = 8,
+        .maxtl = 5,
+        .features = CPU_DEFAULT_FEATURES,
+    },
+    {
+        .name = "TI UltraSparc II",
+        .iu_version = ((0x17ULL << 48) | (0x11ULL << 32) | (0x20ULL << 24)),
+        .fpu_version = 0x00000000,
+        .mmu_version = mmu_us_12,
+        .nwindows = 8,
+        .maxtl = 5,
+        .features = CPU_DEFAULT_FEATURES,
+    },
+    {
+        .name = "TI UltraSparc IIi",
+        .iu_version = ((0x17ULL << 48) | (0x12ULL << 32) | (0x91ULL << 24)),
+        .fpu_version = 0x00000000,
+        .mmu_version = mmu_us_12,
+        .nwindows = 8,
+        .maxtl = 5,
+        .features = CPU_DEFAULT_FEATURES,
+    },
+    {
+        .name = "TI UltraSparc IIe",
+        .iu_version = ((0x17ULL << 48) | (0x13ULL << 32) | (0x14ULL << 24)),
+        .fpu_version = 0x00000000,
+        .mmu_version = mmu_us_12,
+        .nwindows = 8,
+        .maxtl = 5,
+        .features = CPU_DEFAULT_FEATURES,
+    },
+    {
+        .name = "Sun UltraSparc III",
+        .iu_version = ((0x3eULL << 48) | (0x14ULL << 32) | (0x34ULL << 24)),
+        .fpu_version = 0x00000000,
+        .mmu_version = mmu_us_12,
+        .nwindows = 8,
+        .maxtl = 5,
+        .features = CPU_DEFAULT_FEATURES,
+    },
+    {
+        .name = "Sun UltraSparc III Cu",
+        .iu_version = ((0x3eULL << 48) | (0x15ULL << 32) | (0x41ULL << 24)),
+        .fpu_version = 0x00000000,
+        .mmu_version = mmu_us_3,
+        .nwindows = 8,
+        .maxtl = 5,
+        .features = CPU_DEFAULT_FEATURES,
+    },
+    {
+        .name = "Sun UltraSparc IIIi",
+        .iu_version = ((0x3eULL << 48) | (0x16ULL << 32) | (0x34ULL << 24)),
+        .fpu_version = 0x00000000,
+        .mmu_version = mmu_us_12,
+        .nwindows = 8,
+        .maxtl = 5,
+        .features = CPU_DEFAULT_FEATURES,
+    },
+    {
+        .name = "Sun UltraSparc IV",
+        .iu_version = ((0x3eULL << 48) | (0x18ULL << 32) | (0x31ULL << 24)),
+        .fpu_version = 0x00000000,
+        .mmu_version = mmu_us_4,
+        .nwindows = 8,
+        .maxtl = 5,
+        .features = CPU_DEFAULT_FEATURES,
+    },
+    {
+        .name = "Sun UltraSparc IV+",
+        .iu_version = ((0x3eULL << 48) | (0x19ULL << 32) | (0x22ULL << 24)),
+        .fpu_version = 0x00000000,
+        .mmu_version = mmu_us_12,
+        .nwindows = 8,
+        .maxtl = 5,
+        .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_CMT,
+    },
+    {
+        .name = "Sun UltraSparc IIIi+",
+        .iu_version = ((0x3eULL << 48) | (0x22ULL << 32) | (0ULL << 24)),
+        .fpu_version = 0x00000000,
+        .mmu_version = mmu_us_3,
+        .nwindows = 8,
+        .maxtl = 5,
+        .features = CPU_DEFAULT_FEATURES,
+    },
+    {
+        .name = "Sun UltraSparc T1",
+        /* defined in sparc_ifu_fdp.v and ctu.h */
+        .iu_version = ((0x3eULL << 48) | (0x23ULL << 32) | (0x02ULL << 24)),
+        .fpu_version = 0x00000000,
+        .mmu_version = mmu_sun4v,
+        .nwindows = 8,
+        .maxtl = 6,
+        .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
+        | CPU_FEATURE_GL,
+    },
+    {
+        .name = "Sun UltraSparc T2",
+        /* defined in tlu_asi_ctl.v and n2_revid_cust.v */
+        .iu_version = ((0x3eULL << 48) | (0x24ULL << 32) | (0x02ULL << 24)),
+        .fpu_version = 0x00000000,
+        .mmu_version = mmu_sun4v,
+        .nwindows = 8,
+        .maxtl = 6,
+        .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
+        | CPU_FEATURE_GL,
+    },
+    {
+        .name = "NEC UltraSparc I",
+        .iu_version = ((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
+        .fpu_version = 0x00000000,
+        .mmu_version = mmu_us_12,
+        .nwindows = 8,
+        .maxtl = 5,
+        .features = CPU_DEFAULT_FEATURES,
+    },
+#else
+    {
+        .name = "Fujitsu MB86900",
+        .iu_version = 0x00 << 24, /* Impl 0, ver 0 */
+        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
+        .mmu_version = 0x00 << 24, /* Impl 0, ver 0 */
+        .mmu_bm = 0x00004000,
+        .mmu_ctpr_mask = 0x007ffff0,
+        .mmu_cxr_mask = 0x0000003f,
+        .mmu_sfsr_mask = 0xffffffff,
+        .mmu_trcr_mask = 0xffffffff,
+        .nwindows = 7,
+        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_FSMULD,
+    },
+    {
+        .name = "Fujitsu MB86904",
+        .iu_version = 0x04 << 24, /* Impl 0, ver 4 */
+        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
+        .mmu_version = 0x04 << 24, /* Impl 0, ver 4 */
+        .mmu_bm = 0x00004000,
+        .mmu_ctpr_mask = 0x00ffffc0,
+        .mmu_cxr_mask = 0x000000ff,
+        .mmu_sfsr_mask = 0x00016fff,
+        .mmu_trcr_mask = 0x00ffffff,
+        .nwindows = 8,
+        .features = CPU_DEFAULT_FEATURES,
+    },
+    {
+        .name = "Fujitsu MB86907",
+        .iu_version = 0x05 << 24, /* Impl 0, ver 5 */
+        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
+        .mmu_version = 0x05 << 24, /* Impl 0, ver 5 */
+        .mmu_bm = 0x00004000,
+        .mmu_ctpr_mask = 0xffffffc0,
+        .mmu_cxr_mask = 0x000000ff,
+        .mmu_sfsr_mask = 0x00016fff,
+        .mmu_trcr_mask = 0xffffffff,
+        .nwindows = 8,
+        .features = CPU_DEFAULT_FEATURES,
+    },
+    {
+        .name = "LSI L64811",
+        .iu_version = 0x10 << 24, /* Impl 1, ver 0 */
+        .fpu_version = 1 << 17, /* FPU version 1 (LSI L64814) */
+        .mmu_version = 0x10 << 24,
+        .mmu_bm = 0x00004000,
+        .mmu_ctpr_mask = 0x007ffff0,
+        .mmu_cxr_mask = 0x0000003f,
+        .mmu_sfsr_mask = 0xffffffff,
+        .mmu_trcr_mask = 0xffffffff,
+        .nwindows = 8,
+        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
+        CPU_FEATURE_FSMULD,
+    },
+    {
+        .name = "Cypress CY7C601",
+        .iu_version = 0x11 << 24, /* Impl 1, ver 1 */
+        .fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */
+        .mmu_version = 0x10 << 24,
+        .mmu_bm = 0x00004000,
+        .mmu_ctpr_mask = 0x007ffff0,
+        .mmu_cxr_mask = 0x0000003f,
+        .mmu_sfsr_mask = 0xffffffff,
+        .mmu_trcr_mask = 0xffffffff,
+        .nwindows = 8,
+        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
+        CPU_FEATURE_FSMULD,
+    },
+    {
+        .name = "Cypress CY7C611",
+        .iu_version = 0x13 << 24, /* Impl 1, ver 3 */
+        .fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */
+        .mmu_version = 0x10 << 24,
+        .mmu_bm = 0x00004000,
+        .mmu_ctpr_mask = 0x007ffff0,
+        .mmu_cxr_mask = 0x0000003f,
+        .mmu_sfsr_mask = 0xffffffff,
+        .mmu_trcr_mask = 0xffffffff,
+        .nwindows = 8,
+        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
+        CPU_FEATURE_FSMULD,
+    },
+    {
+        .name = "TI MicroSparc I",
+        .iu_version = 0x41000000,
+        .fpu_version = 4 << 17,
+        .mmu_version = 0x41000000,
+        .mmu_bm = 0x00004000,
+        .mmu_ctpr_mask = 0x007ffff0,
+        .mmu_cxr_mask = 0x0000003f,
+        .mmu_sfsr_mask = 0x00016fff,
+        .mmu_trcr_mask = 0x0000003f,
+        .nwindows = 7,
+        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_MUL |
+        CPU_FEATURE_DIV | CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT |
+        CPU_FEATURE_FMUL,
+    },
+    {
+        .name = "TI MicroSparc II",
+        .iu_version = 0x42000000,
+        .fpu_version = 4 << 17,
+        .mmu_version = 0x02000000,
+        .mmu_bm = 0x00004000,
+        .mmu_ctpr_mask = 0x00ffffc0,
+        .mmu_cxr_mask = 0x000000ff,
+        .mmu_sfsr_mask = 0x00016fff,
+        .mmu_trcr_mask = 0x00ffffff,
+        .nwindows = 8,
+        .features = CPU_DEFAULT_FEATURES,
+    },
+    {
+        .name = "TI MicroSparc IIep",
+        .iu_version = 0x42000000,
+        .fpu_version = 4 << 17,
+        .mmu_version = 0x04000000,
+        .mmu_bm = 0x00004000,
+        .mmu_ctpr_mask = 0x00ffffc0,
+        .mmu_cxr_mask = 0x000000ff,
+        .mmu_sfsr_mask = 0x00016bff,
+        .mmu_trcr_mask = 0x00ffffff,
+        .nwindows = 8,
+        .features = CPU_DEFAULT_FEATURES,
+    },
+    {
+        .name = "TI SuperSparc 40", /* STP1020NPGA */
+        .iu_version = 0x41000000, /* SuperSPARC 2.x */
+        .fpu_version = 0 << 17,
+        .mmu_version = 0x00000800, /* SuperSPARC 2.x, no MXCC */
+        .mmu_bm = 0x00002000,
+        .mmu_ctpr_mask = 0xffffffc0,
+        .mmu_cxr_mask = 0x0000ffff,
+        .mmu_sfsr_mask = 0xffffffff,
+        .mmu_trcr_mask = 0xffffffff,
+        .nwindows = 8,
+        .features = CPU_DEFAULT_FEATURES,
+    },
+    {
+        .name = "TI SuperSparc 50", /* STP1020PGA */
+        .iu_version = 0x40000000, /* SuperSPARC 3.x */
+        .fpu_version = 0 << 17,
+        .mmu_version = 0x01000800, /* SuperSPARC 3.x, no MXCC */
+        .mmu_bm = 0x00002000,
+        .mmu_ctpr_mask = 0xffffffc0,
+        .mmu_cxr_mask = 0x0000ffff,
+        .mmu_sfsr_mask = 0xffffffff,
+        .mmu_trcr_mask = 0xffffffff,
+        .nwindows = 8,
+        .features = CPU_DEFAULT_FEATURES,
+    },
+    {
+        .name = "TI SuperSparc 51",
+        .iu_version = 0x40000000, /* SuperSPARC 3.x */
+        .fpu_version = 0 << 17,
+        .mmu_version = 0x01000000, /* SuperSPARC 3.x, MXCC */
+        .mmu_bm = 0x00002000,
+        .mmu_ctpr_mask = 0xffffffc0,
+        .mmu_cxr_mask = 0x0000ffff,
+        .mmu_sfsr_mask = 0xffffffff,
+        .mmu_trcr_mask = 0xffffffff,
+        .mxcc_version = 0x00000104,
+        .nwindows = 8,
+        .features = CPU_DEFAULT_FEATURES,
+    },
+    {
+        .name = "TI SuperSparc 60", /* STP1020APGA */
+        .iu_version = 0x40000000, /* SuperSPARC 3.x */
+        .fpu_version = 0 << 17,
+        .mmu_version = 0x01000800, /* SuperSPARC 3.x, no MXCC */
+        .mmu_bm = 0x00002000,
+        .mmu_ctpr_mask = 0xffffffc0,
+        .mmu_cxr_mask = 0x0000ffff,
+        .mmu_sfsr_mask = 0xffffffff,
+        .mmu_trcr_mask = 0xffffffff,
+        .nwindows = 8,
+        .features = CPU_DEFAULT_FEATURES,
+    },
+    {
+        .name = "TI SuperSparc 61",
+        .iu_version = 0x44000000, /* SuperSPARC 3.x */
+        .fpu_version = 0 << 17,
+        .mmu_version = 0x01000000, /* SuperSPARC 3.x, MXCC */
+        .mmu_bm = 0x00002000,
+        .mmu_ctpr_mask = 0xffffffc0,
+        .mmu_cxr_mask = 0x0000ffff,
+        .mmu_sfsr_mask = 0xffffffff,
+        .mmu_trcr_mask = 0xffffffff,
+        .mxcc_version = 0x00000104,
+        .nwindows = 8,
+        .features = CPU_DEFAULT_FEATURES,
+    },
+    {
+        .name = "TI SuperSparc II",
+        .iu_version = 0x40000000, /* SuperSPARC II 1.x */
+        .fpu_version = 0 << 17,
+        .mmu_version = 0x08000000, /* SuperSPARC II 1.x, MXCC */
+        .mmu_bm = 0x00002000,
+        .mmu_ctpr_mask = 0xffffffc0,
+        .mmu_cxr_mask = 0x0000ffff,
+        .mmu_sfsr_mask = 0xffffffff,
+        .mmu_trcr_mask = 0xffffffff,
+        .mxcc_version = 0x00000104,
+        .nwindows = 8,
+        .features = CPU_DEFAULT_FEATURES,
+    },
+    {
+        .name = "Ross RT625",
+        .iu_version = 0x1e000000,
+        .fpu_version = 1 << 17,
+        .mmu_version = 0x1e000000,
+        .mmu_bm = 0x00004000,
+        .mmu_ctpr_mask = 0x007ffff0,
+        .mmu_cxr_mask = 0x0000003f,
+        .mmu_sfsr_mask = 0xffffffff,
+        .mmu_trcr_mask = 0xffffffff,
+        .nwindows = 8,
+        .features = CPU_DEFAULT_FEATURES,
+    },
+    {
+        .name = "Ross RT620",
+        .iu_version = 0x1f000000,
+        .fpu_version = 1 << 17,
+        .mmu_version = 0x1f000000,
+        .mmu_bm = 0x00004000,
+        .mmu_ctpr_mask = 0x007ffff0,
+        .mmu_cxr_mask = 0x0000003f,
+        .mmu_sfsr_mask = 0xffffffff,
+        .mmu_trcr_mask = 0xffffffff,
+        .nwindows = 8,
+        .features = CPU_DEFAULT_FEATURES,
+    },
+    {
+        .name = "BIT B5010",
+        .iu_version = 0x20000000,
+        .fpu_version = 0 << 17, /* B5010/B5110/B5120/B5210 */
+        .mmu_version = 0x20000000,
+        .mmu_bm = 0x00004000,
+        .mmu_ctpr_mask = 0x007ffff0,
+        .mmu_cxr_mask = 0x0000003f,
+        .mmu_sfsr_mask = 0xffffffff,
+        .mmu_trcr_mask = 0xffffffff,
+        .nwindows = 8,
+        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
+        CPU_FEATURE_FSMULD,
+    },
+    {
+        .name = "Matsushita MN10501",
+        .iu_version = 0x50000000,
+        .fpu_version = 0 << 17,
+        .mmu_version = 0x50000000,
+        .mmu_bm = 0x00004000,
+        .mmu_ctpr_mask = 0x007ffff0,
+        .mmu_cxr_mask = 0x0000003f,
+        .mmu_sfsr_mask = 0xffffffff,
+        .mmu_trcr_mask = 0xffffffff,
+        .nwindows = 8,
+        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_MUL | CPU_FEATURE_FSQRT |
+        CPU_FEATURE_FSMULD,
+    },
+    {
+        .name = "Weitek W8601",
+        .iu_version = 0x90 << 24, /* Impl 9, ver 0 */
+        .fpu_version = 3 << 17, /* FPU version 3 (Weitek WTL3170/2) */
+        .mmu_version = 0x10 << 24,
+        .mmu_bm = 0x00004000,
+        .mmu_ctpr_mask = 0x007ffff0,
+        .mmu_cxr_mask = 0x0000003f,
+        .mmu_sfsr_mask = 0xffffffff,
+        .mmu_trcr_mask = 0xffffffff,
+        .nwindows = 8,
+        .features = CPU_DEFAULT_FEATURES,
+    },
+    {
+        .name = "LEON2",
+        .iu_version = 0xf2000000,
+        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
+        .mmu_version = 0xf2000000,
+        .mmu_bm = 0x00004000,
+        .mmu_ctpr_mask = 0x007ffff0,
+        .mmu_cxr_mask = 0x0000003f,
+        .mmu_sfsr_mask = 0xffffffff,
+        .mmu_trcr_mask = 0xffffffff,
+        .nwindows = 8,
+        .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_TA0_SHUTDOWN,
+    },
+    {
+        .name = "LEON3",
+        .iu_version = 0xf3000000,
+        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
+        .mmu_version = 0xf3000000,
+        .mmu_bm = 0x00000000,
+        .mmu_ctpr_mask = 0x007ffff0,
+        .mmu_cxr_mask = 0x0000003f,
+        .mmu_sfsr_mask = 0xffffffff,
+        .mmu_trcr_mask = 0xffffffff,
+        .nwindows = 8,
+        .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_TA0_SHUTDOWN |
+        CPU_FEATURE_ASR17 | CPU_FEATURE_CACHE_CTRL,
+    },
+#endif
+};
+
+static const char * const feature_name[] = {
+    "float",
+    "float128",
+    "swap",
+    "mul",
+    "div",
+    "flush",
+    "fsqrt",
+    "fmul",
+    "vis1",
+    "vis2",
+    "fsmuld",
+    "hypv",
+    "cmt",
+    "gl",
+};
+
+static void print_features(FILE *f, fprintf_function cpu_fprintf,
+                           uint32_t features, const char *prefix)
+{
+    unsigned int i;
+
+    for (i = 0; i < ARRAY_SIZE(feature_name); i++) {
+        if (feature_name[i] && (features & (1 << i))) {
+            if (prefix) {
+                (*cpu_fprintf)(f, "%s", prefix);
+            }
+            (*cpu_fprintf)(f, "%s ", feature_name[i]);
+        }
+    }
+}
+
+static void add_flagname_to_bitmaps(const char *flagname, uint32_t *features)
+{
+    unsigned int i;
+
+    for (i = 0; i < ARRAY_SIZE(feature_name); i++) {
+        if (feature_name[i] && !strcmp(flagname, feature_name[i])) {
+            *features |= 1 << i;
+            return;
+        }
+    }
+    fprintf(stderr, "CPU feature %s not found\n", flagname);
+}
+
+static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model)
+{
+    unsigned int i;
+    const sparc_def_t *def = NULL;
+    char *s = strdup(cpu_model);
+    char *featurestr, *name = strtok(s, ",");
+    uint32_t plus_features = 0;
+    uint32_t minus_features = 0;
+    uint64_t iu_version;
+    uint32_t fpu_version, mmu_version, nwindows;
+
+    for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) {
+        if (strcasecmp(name, sparc_defs[i].name) == 0) {
+            def = &sparc_defs[i];
+        }
+    }
+    if (!def) {
+        goto error;
+    }
+    memcpy(cpu_def, def, sizeof(*def));
+
+    featurestr = strtok(NULL, ",");
+    while (featurestr) {
+        char *val;
+
+        if (featurestr[0] == '+') {
+            add_flagname_to_bitmaps(featurestr + 1, &plus_features);
+        } else if (featurestr[0] == '-') {
+            add_flagname_to_bitmaps(featurestr + 1, &minus_features);
+        } else if ((val = strchr(featurestr, '='))) {
+            *val = 0; val++;
+            if (!strcmp(featurestr, "iu_version")) {
+                char *err;
+
+                iu_version = strtoll(val, &err, 0);
+                if (!*val || *err) {
+                    fprintf(stderr, "bad numerical value %s\n", val);
+                    goto error;
+                }
+                cpu_def->iu_version = iu_version;
+#ifdef DEBUG_FEATURES
+                fprintf(stderr, "iu_version %" PRIx64 "\n", iu_version);
+#endif
+            } else if (!strcmp(featurestr, "fpu_version")) {
+                char *err;
+
+                fpu_version = strtol(val, &err, 0);
+                if (!*val || *err) {
+                    fprintf(stderr, "bad numerical value %s\n", val);
+                    goto error;
+                }
+                cpu_def->fpu_version = fpu_version;
+#ifdef DEBUG_FEATURES
+                fprintf(stderr, "fpu_version %x\n", fpu_version);
+#endif
+            } else if (!strcmp(featurestr, "mmu_version")) {
+                char *err;
+
+                mmu_version = strtol(val, &err, 0);
+                if (!*val || *err) {
+                    fprintf(stderr, "bad numerical value %s\n", val);
+                    goto error;
+                }
+                cpu_def->mmu_version = mmu_version;
+#ifdef DEBUG_FEATURES
+                fprintf(stderr, "mmu_version %x\n", mmu_version);
+#endif
+            } else if (!strcmp(featurestr, "nwindows")) {
+                char *err;
+
+                nwindows = strtol(val, &err, 0);
+                if (!*val || *err || nwindows > MAX_NWINDOWS ||
+                    nwindows < MIN_NWINDOWS) {
+                    fprintf(stderr, "bad numerical value %s\n", val);
+                    goto error;
+                }
+                cpu_def->nwindows = nwindows;
+#ifdef DEBUG_FEATURES
+                fprintf(stderr, "nwindows %d\n", nwindows);
+#endif
+            } else {
+                fprintf(stderr, "unrecognized feature %s\n", featurestr);
+                goto error;
+            }
+        } else {
+            fprintf(stderr, "feature string `%s' not in format "
+                    "(+feature|-feature|feature=xyz)\n", featurestr);
+            goto error;
+        }
+        featurestr = strtok(NULL, ",");
+    }
+    cpu_def->features |= plus_features;
+    cpu_def->features &= ~minus_features;
+#ifdef DEBUG_FEATURES
+    print_features(stderr, fprintf, cpu_def->features, NULL);
+#endif
+    free(s);
+    return 0;
+
+ error:
+    free(s);
+    return -1;
+}
+
+void sparc_cpu_list(FILE *f, fprintf_function cpu_fprintf)
+{
+    unsigned int i;
+
+    for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) {
+        (*cpu_fprintf)(f, "Sparc %16s IU " TARGET_FMT_lx
+                       " FPU %08x MMU %08x NWINS %d ",
+                       sparc_defs[i].name,
+                       sparc_defs[i].iu_version,
+                       sparc_defs[i].fpu_version,
+                       sparc_defs[i].mmu_version,
+                       sparc_defs[i].nwindows);
+        print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES &
+                       ~sparc_defs[i].features, "-");
+        print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES &
+                       sparc_defs[i].features, "+");
+        (*cpu_fprintf)(f, "\n");
+    }
+    (*cpu_fprintf)(f, "Default CPU feature flags (use '-' to remove): ");
+    print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES, NULL);
+    (*cpu_fprintf)(f, "\n");
+    (*cpu_fprintf)(f, "Available CPU feature flags (use '+' to add): ");
+    print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES, NULL);
+    (*cpu_fprintf)(f, "\n");
+    (*cpu_fprintf)(f, "Numerical features (use '=' to set): iu_version "
+                   "fpu_version mmu_version nwindows\n");
+}
+
+static void cpu_print_cc(FILE *f, fprintf_function cpu_fprintf,
+                         uint32_t cc)
+{
+    cpu_fprintf(f, "%c%c%c%c", cc & PSR_NEG ? 'N' : '-',
+                cc & PSR_ZERO ? 'Z' : '-', cc & PSR_OVF ? 'V' : '-',
+                cc & PSR_CARRY ? 'C' : '-');
+}
+
+#ifdef TARGET_SPARC64
+#define REGS_PER_LINE 4
+#else
+#define REGS_PER_LINE 8
+#endif
+
+void cpu_dump_state(CPUState *env, FILE *f, fprintf_function cpu_fprintf,
+                    int flags)
+{
+    int i, x;
+
+    cpu_fprintf(f, "pc: " TARGET_FMT_lx "  npc: " TARGET_FMT_lx "\n", env->pc,
+                env->npc);
+    cpu_fprintf(f, "General Registers:\n");
+
+    for (i = 0; i < 8; i++) {
+        if (i % REGS_PER_LINE == 0) {
+            cpu_fprintf(f, "%%g%d-%d:", i, i + REGS_PER_LINE - 1);
+        }
+        cpu_fprintf(f, " " TARGET_FMT_lx, env->gregs[i]);
+        if (i % REGS_PER_LINE == REGS_PER_LINE - 1) {
+            cpu_fprintf(f, "\n");
+        }
+    }
+    cpu_fprintf(f, "\nCurrent Register Window:\n");
+    for (x = 0; x < 3; x++) {
+        for (i = 0; i < 8; i++) {
+            if (i % REGS_PER_LINE == 0) {
+                cpu_fprintf(f, "%%%c%d-%d: ",
+                            x == 0 ? 'o' : (x == 1 ? 'l' : 'i'),
+                            i, i + REGS_PER_LINE - 1);
+            }
+            cpu_fprintf(f, TARGET_FMT_lx " ", env->regwptr[i + x * 8]);
+            if (i % REGS_PER_LINE == REGS_PER_LINE - 1) {
+                cpu_fprintf(f, "\n");
+            }
+        }
+    }
+    cpu_fprintf(f, "\nFloating Point Registers:\n");
+    for (i = 0; i < TARGET_FPREGS; i++) {
+        if ((i & 3) == 0) {
+            cpu_fprintf(f, "%%f%02d:", i);
+        }
+        cpu_fprintf(f, " %016f", *(float *)&env->fpr[i]);
+        if ((i & 3) == 3) {
+            cpu_fprintf(f, "\n");
+        }
+    }
+#ifdef TARGET_SPARC64
+    cpu_fprintf(f, "pstate: %08x ccr: %02x (icc: ", env->pstate,
+                (unsigned)cpu_get_ccr(env));
+    cpu_print_cc(f, cpu_fprintf, cpu_get_ccr(env) << PSR_CARRY_SHIFT);
+    cpu_fprintf(f, " xcc: ");
+    cpu_print_cc(f, cpu_fprintf, cpu_get_ccr(env) << (PSR_CARRY_SHIFT - 4));
+    cpu_fprintf(f, ") asi: %02x tl: %d pil: %x\n", env->asi, env->tl,
+                env->psrpil);
+    cpu_fprintf(f, "cansave: %d canrestore: %d otherwin: %d wstate: %d "
+                "cleanwin: %d cwp: %d\n",
+                env->cansave, env->canrestore, env->otherwin, env->wstate,
+                env->cleanwin, env->nwindows - 1 - env->cwp);
+    cpu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx " fprs: "
+                TARGET_FMT_lx "\n", env->fsr, env->y, env->fprs);
+#else
+    cpu_fprintf(f, "psr: %08x (icc: ", cpu_get_psr(env));
+    cpu_print_cc(f, cpu_fprintf, cpu_get_psr(env));
+    cpu_fprintf(f, " SPE: %c%c%c) wim: %08x\n", env->psrs ? 'S' : '-',
+                env->psrps ? 'P' : '-', env->psret ? 'E' : '-',
+                env->wim);
+    cpu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx "\n",
+                env->fsr, env->y);
+#endif
+}
diff --git a/target-sparc/helper.c b/target-sparc/helper.c
index 955d180..1866f63 100644
--- a/target-sparc/helper.c
+++ b/target-sparc/helper.c
@@ -16,17 +16,10 @@ 
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
-#include <stdarg.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <inttypes.h>

 #include "cpu.h"
-#include "qemu-common.h"

 //#define DEBUG_MMU
-//#define DEBUG_FEATURES

 #ifdef DEBUG_MMU
 #define DPRINTF_MMU(fmt, ...) \
@@ -35,8 +28,6 @@ 
 #define DPRINTF_MMU(fmt, ...) do {} while (0)
 #endif

-static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model);
-
 /* Sparc MMU emulation */

 #if defined(CONFIG_USER_ONLY)
@@ -358,8 +349,6 @@  void dump_mmu(FILE *f, fprintf_function
cpu_fprintf, CPUState *env)
     }
 }

-#if !defined(CONFIG_USER_ONLY)
-
 /* Gdb expects all registers windows to be flushed in ram. This
function handles
  * reads (and only reads) in stack frames as if windows were flushed. We assume
  * that the sparc ABI is followed.
@@ -440,8 +429,6 @@  int target_memory_rw_debug(CPUState *env, target_ulong addr,
     return cpu_memory_rw_debug(env, addr, buf, len, is_write);
 }

-#endif  /* !defined(CONFIG_USER_ONLY) */
-
 #else /* !TARGET_SPARC64 */

 // 41 bit physical address space
@@ -839,10 +826,7 @@  void dump_mmu(FILE *f, fprintf_function
cpu_fprintf, CPUState *env)
 }

 #endif /* TARGET_SPARC64 */
-#endif /* !CONFIG_USER_ONLY */
-

-#if !defined(CONFIG_USER_ONLY)
 static int cpu_sparc_get_phys_page(CPUState *env, target_phys_addr_t *phys,
                                    target_ulong addr, int rw, int mmu_idx)
 {
@@ -882,1069 +866,3 @@  target_phys_addr_t
cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
     return phys_addr;
 }
 #endif
-
-#ifdef TARGET_SPARC64
-#ifdef DEBUG_PCALL
-static const char * const excp_names[0x80] = {
-    [TT_TFAULT] = "Instruction Access Fault",
-    [TT_TMISS] = "Instruction Access MMU Miss",
-    [TT_CODE_ACCESS] = "Instruction Access Error",
-    [TT_ILL_INSN] = "Illegal Instruction",
-    [TT_PRIV_INSN] = "Privileged Instruction",
-    [TT_NFPU_INSN] = "FPU Disabled",
-    [TT_FP_EXCP] = "FPU Exception",
-    [TT_TOVF] = "Tag Overflow",
-    [TT_CLRWIN] = "Clean Windows",
-    [TT_DIV_ZERO] = "Division By Zero",
-    [TT_DFAULT] = "Data Access Fault",
-    [TT_DMISS] = "Data Access MMU Miss",
-    [TT_DATA_ACCESS] = "Data Access Error",
-    [TT_DPROT] = "Data Protection Error",
-    [TT_UNALIGNED] = "Unaligned Memory Access",
-    [TT_PRIV_ACT] = "Privileged Action",
-    [TT_EXTINT | 0x1] = "External Interrupt 1",
-    [TT_EXTINT | 0x2] = "External Interrupt 2",
-    [TT_EXTINT | 0x3] = "External Interrupt 3",
-    [TT_EXTINT | 0x4] = "External Interrupt 4",
-    [TT_EXTINT | 0x5] = "External Interrupt 5",
-    [TT_EXTINT | 0x6] = "External Interrupt 6",
-    [TT_EXTINT | 0x7] = "External Interrupt 7",
-    [TT_EXTINT | 0x8] = "External Interrupt 8",
-    [TT_EXTINT | 0x9] = "External Interrupt 9",
-    [TT_EXTINT | 0xa] = "External Interrupt 10",
-    [TT_EXTINT | 0xb] = "External Interrupt 11",
-    [TT_EXTINT | 0xc] = "External Interrupt 12",
-    [TT_EXTINT | 0xd] = "External Interrupt 13",
-    [TT_EXTINT | 0xe] = "External Interrupt 14",
-    [TT_EXTINT | 0xf] = "External Interrupt 15",
-};
-#endif
-
-void do_interrupt(CPUState *env)
-{
-    int intno = env->exception_index;
-    trap_state *tsptr;
-
-#ifdef DEBUG_PCALL
-    if (qemu_loglevel_mask(CPU_LOG_INT)) {
-        static int count;
-        const char *name;
-
-        if (intno < 0 || intno >= 0x180) {
-            name = "Unknown";
-        } else if (intno >= 0x100) {
-            name = "Trap Instruction";
-        } else if (intno >= 0xc0) {
-            name = "Window Fill";
-        } else if (intno >= 0x80) {
-            name = "Window Spill";
-        } else {
-            name = excp_names[intno];
-            if (!name) {
-                name = "Unknown";
-            }
-        }
-
-        qemu_log("%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64
-                " SP=%016" PRIx64 "\n",
-                count, name, intno,
-                env->pc,
-                env->npc, env->regwptr[6]);
-        log_cpu_state(env, 0);
-#if 0
-        {
-            int i;
-            uint8_t *ptr;
-
-            qemu_log("       code=");
-            ptr = (uint8_t *)env->pc;
-            for (i = 0; i < 16; i++) {
-                qemu_log(" %02x", ldub(ptr + i));
-            }
-            qemu_log("\n");
-        }
-#endif
-        count++;
-    }
-#endif
-#if !defined(CONFIG_USER_ONLY)
-    if (env->tl >= env->maxtl) {
-        cpu_abort(env, "Trap 0x%04x while trap level (%d) >= MAXTL (%d),"
-                  " Error state", env->exception_index, env->tl, env->maxtl);
-        return;
-    }
-#endif
-    if (env->tl < env->maxtl - 1) {
-        env->tl++;
-    } else {
-        env->pstate |= PS_RED;
-        if (env->tl < env->maxtl) {
-            env->tl++;
-        }
-    }
-    tsptr = cpu_tsptr(env);
-
-    tsptr->tstate = (cpu_get_ccr(env) << 32) |
-        ((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) |
-        cpu_get_cwp64(env);
-    tsptr->tpc = env->pc;
-    tsptr->tnpc = env->npc;
-    tsptr->tt = intno;
-
-    switch (intno) {
-    case TT_IVEC:
-        cpu_change_pstate(env, PS_PEF | PS_PRIV | PS_IG);
-        break;
-    case TT_TFAULT:
-    case TT_DFAULT:
-    case TT_TMISS ... TT_TMISS + 3:
-    case TT_DMISS ... TT_DMISS + 3:
-    case TT_DPROT ... TT_DPROT + 3:
-        cpu_change_pstate(env, PS_PEF | PS_PRIV | PS_MG);
-        break;
-    default:
-        cpu_change_pstate(env, PS_PEF | PS_PRIV | PS_AG);
-        break;
-    }
-
-    if (intno == TT_CLRWIN) {
-        cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - 1));
-    } else if ((intno & 0x1c0) == TT_SPILL) {
-        cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - env->cansave - 2));
-    } else if ((intno & 0x1c0) == TT_FILL) {
-        cpu_set_cwp(env, cpu_cwp_inc(env, env->cwp + 1));
-    }
-    env->tbr &= ~0x7fffULL;
-    env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5);
-    env->pc = env->tbr;
-    env->npc = env->pc + 4;
-    env->exception_index = -1;
-}
-#else
-#ifdef DEBUG_PCALL
-static const char * const excp_names[0x80] = {
-    [TT_TFAULT] = "Instruction Access Fault",
-    [TT_ILL_INSN] = "Illegal Instruction",
-    [TT_PRIV_INSN] = "Privileged Instruction",
-    [TT_NFPU_INSN] = "FPU Disabled",
-    [TT_WIN_OVF] = "Window Overflow",
-    [TT_WIN_UNF] = "Window Underflow",
-    [TT_UNALIGNED] = "Unaligned Memory Access",
-    [TT_FP_EXCP] = "FPU Exception",
-    [TT_DFAULT] = "Data Access Fault",
-    [TT_TOVF] = "Tag Overflow",
-    [TT_EXTINT | 0x1] = "External Interrupt 1",
-    [TT_EXTINT | 0x2] = "External Interrupt 2",
-    [TT_EXTINT | 0x3] = "External Interrupt 3",
-    [TT_EXTINT | 0x4] = "External Interrupt 4",
-    [TT_EXTINT | 0x5] = "External Interrupt 5",
-    [TT_EXTINT | 0x6] = "External Interrupt 6",
-    [TT_EXTINT | 0x7] = "External Interrupt 7",
-    [TT_EXTINT | 0x8] = "External Interrupt 8",
-    [TT_EXTINT | 0x9] = "External Interrupt 9",
-    [TT_EXTINT | 0xa] = "External Interrupt 10",
-    [TT_EXTINT | 0xb] = "External Interrupt 11",
-    [TT_EXTINT | 0xc] = "External Interrupt 12",
-    [TT_EXTINT | 0xd] = "External Interrupt 13",
-    [TT_EXTINT | 0xe] = "External Interrupt 14",
-    [TT_EXTINT | 0xf] = "External Interrupt 15",
-    [TT_TOVF] = "Tag Overflow",
-    [TT_CODE_ACCESS] = "Instruction Access Error",
-    [TT_DATA_ACCESS] = "Data Access Error",
-    [TT_DIV_ZERO] = "Division By Zero",
-    [TT_NCP_INSN] = "Coprocessor Disabled",
-};
-#endif
-
-void do_interrupt(CPUState *env)
-{
-    int cwp, intno = env->exception_index;
-
-#ifdef DEBUG_PCALL
-    if (qemu_loglevel_mask(CPU_LOG_INT)) {
-        static int count;
-        const char *name;
-
-        if (intno < 0 || intno >= 0x100) {
-            name = "Unknown";
-        } else if (intno >= 0x80) {
-            name = "Trap Instruction";
-        } else {
-            name = excp_names[intno];
-            if (!name) {
-                name = "Unknown";
-            }
-        }
-
-        qemu_log("%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
-                count, name, intno,
-                env->pc,
-                env->npc, env->regwptr[6]);
-        log_cpu_state(env, 0);
-#if 0
-        {
-            int i;
-            uint8_t *ptr;
-
-            qemu_log("       code=");
-            ptr = (uint8_t *)env->pc;
-            for (i = 0; i < 16; i++) {
-                qemu_log(" %02x", ldub(ptr + i));
-            }
-            qemu_log("\n");
-        }
-#endif
-        count++;
-    }
-#endif
-#if !defined(CONFIG_USER_ONLY)
-    if (env->psret == 0) {
-        cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state",
-                  env->exception_index);
-        return;
-    }
-#endif
-    env->psret = 0;
-    cwp = cpu_cwp_dec(env, env->cwp - 1);
-    cpu_set_cwp(env, cwp);
-    env->regwptr[9] = env->pc;
-    env->regwptr[10] = env->npc;
-    env->psrps = env->psrs;
-    env->psrs = 1;
-    env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4);
-    env->pc = env->tbr;
-    env->npc = env->pc + 4;
-    env->exception_index = -1;
-
-#if !defined(CONFIG_USER_ONLY)
-    /* IRQ acknowledgment */
-    if ((intno & ~15) == TT_EXTINT && env->qemu_irq_ack != NULL) {
-        env->qemu_irq_ack(env->irq_manager, intno);
-    }
-#endif
-}
-#endif
-
-void cpu_reset(CPUSPARCState *env)
-{
-    if (qemu_loglevel_mask(CPU_LOG_RESET)) {
-        qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
-        log_cpu_state(env, 0);
-    }
-
-    tlb_flush(env, 1);
-    env->cwp = 0;
-#ifndef TARGET_SPARC64
-    env->wim = 1;
-#endif
-    env->regwptr = env->regbase + (env->cwp * 16);
-    CC_OP = CC_OP_FLAGS;
-#if defined(CONFIG_USER_ONLY)
-#ifdef TARGET_SPARC64
-    env->cleanwin = env->nwindows - 2;
-    env->cansave = env->nwindows - 2;
-    env->pstate = PS_RMO | PS_PEF | PS_IE;
-    env->asi = 0x82; /* Primary no-fault */
-#endif
-#else
-#if !defined(TARGET_SPARC64)
-    env->psret = 0;
-    env->psrs = 1;
-    env->psrps = 1;
-#endif
-#ifdef TARGET_SPARC64
-    env->pstate = PS_PRIV|PS_RED|PS_PEF|PS_AG;
-    env->hpstate = cpu_has_hypervisor(env) ? HS_PRIV : 0;
-    env->tl = env->maxtl;
-    cpu_tsptr(env)->tt = TT_POWER_ON_RESET;
-    env->lsu = 0;
-#else
-    env->mmuregs[0] &= ~(MMU_E | MMU_NF);
-    env->mmuregs[0] |= env->def->mmu_bm;
-#endif
-    env->pc = 0;
-    env->npc = env->pc + 4;
-#endif
-    env->cache_control = 0;
-}
-
-static int cpu_sparc_register(CPUSPARCState *env, const char *cpu_model)
-{
-    sparc_def_t def1, *def = &def1;
-
-    if (cpu_sparc_find_by_name(def, cpu_model) < 0) {
-        return -1;
-    }
-
-    env->def = g_malloc0(sizeof(*def));
-    memcpy(env->def, def, sizeof(*def));
-#if defined(CONFIG_USER_ONLY)
-    if ((env->def->features & CPU_FEATURE_FLOAT)) {
-        env->def->features |= CPU_FEATURE_FLOAT128;
-    }
-#endif
-    env->cpu_model_str = cpu_model;
-    env->version = def->iu_version;
-    env->fsr = def->fpu_version;
-    env->nwindows = def->nwindows;
-#if !defined(TARGET_SPARC64)
-    env->mmuregs[0] |= def->mmu_version;
-    cpu_sparc_set_id(env, 0);
-    env->mxccregs[7] |= def->mxcc_version;
-#else
-    env->mmu_version = def->mmu_version;
-    env->maxtl = def->maxtl;
-    env->version |= def->maxtl << 8;
-    env->version |= def->nwindows - 1;
-#endif
-    return 0;
-}
-
-static void cpu_sparc_close(CPUSPARCState *env)
-{
-    free(env->def);
-    free(env);
-}
-
-CPUSPARCState *cpu_sparc_init(const char *cpu_model)
-{
-    CPUSPARCState *env;
-
-    env = g_malloc0(sizeof(CPUSPARCState));
-    cpu_exec_init(env);
-
-    gen_intermediate_code_init(env);
-
-    if (cpu_sparc_register(env, cpu_model) < 0) {
-        cpu_sparc_close(env);
-        return NULL;
-    }
-    qemu_init_vcpu(env);
-
-    return env;
-}
-
-void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu)
-{
-#if !defined(TARGET_SPARC64)
-    env->mxccregs[7] = ((cpu + 8) & 0xf) << 24;
-#endif
-}
-
-static const sparc_def_t sparc_defs[] = {
-#ifdef TARGET_SPARC64
-    {
-        .name = "Fujitsu Sparc64",
-        .iu_version = ((0x04ULL << 48) | (0x02ULL << 32) | (0ULL << 24)),
-        .fpu_version = 0x00000000,
-        .mmu_version = mmu_us_12,
-        .nwindows = 4,
-        .maxtl = 4,
-        .features = CPU_DEFAULT_FEATURES,
-    },
-    {
-        .name = "Fujitsu Sparc64 III",
-        .iu_version = ((0x04ULL << 48) | (0x03ULL << 32) | (0ULL << 24)),
-        .fpu_version = 0x00000000,
-        .mmu_version = mmu_us_12,
-        .nwindows = 5,
-        .maxtl = 4,
-        .features = CPU_DEFAULT_FEATURES,
-    },
-    {
-        .name = "Fujitsu Sparc64 IV",
-        .iu_version = ((0x04ULL << 48) | (0x04ULL << 32) | (0ULL << 24)),
-        .fpu_version = 0x00000000,
-        .mmu_version = mmu_us_12,
-        .nwindows = 8,
-        .maxtl = 5,
-        .features = CPU_DEFAULT_FEATURES,
-    },
-    {
-        .name = "Fujitsu Sparc64 V",
-        .iu_version = ((0x04ULL << 48) | (0x05ULL << 32) | (0x51ULL << 24)),
-        .fpu_version = 0x00000000,
-        .mmu_version = mmu_us_12,
-        .nwindows = 8,
-        .maxtl = 5,
-        .features = CPU_DEFAULT_FEATURES,
-    },
-    {
-        .name = "TI UltraSparc I",
-        .iu_version = ((0x17ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
-        .fpu_version = 0x00000000,
-        .mmu_version = mmu_us_12,
-        .nwindows = 8,
-        .maxtl = 5,
-        .features = CPU_DEFAULT_FEATURES,
-    },
-    {
-        .name = "TI UltraSparc II",
-        .iu_version = ((0x17ULL << 48) | (0x11ULL << 32) | (0x20ULL << 24)),
-        .fpu_version = 0x00000000,
-        .mmu_version = mmu_us_12,
-        .nwindows = 8,
-        .maxtl = 5,
-        .features = CPU_DEFAULT_FEATURES,
-    },
-    {
-        .name = "TI UltraSparc IIi",
-        .iu_version = ((0x17ULL << 48) | (0x12ULL << 32) | (0x91ULL << 24)),
-        .fpu_version = 0x00000000,
-        .mmu_version = mmu_us_12,
-        .nwindows = 8,
-        .maxtl = 5,
-        .features = CPU_DEFAULT_FEATURES,
-    },
-    {
-        .name = "TI UltraSparc IIe",
-        .iu_version = ((0x17ULL << 48) | (0x13ULL << 32) | (0x14ULL << 24)),
-        .fpu_version = 0x00000000,
-        .mmu_version = mmu_us_12,
-        .nwindows = 8,
-        .maxtl = 5,
-        .features = CPU_DEFAULT_FEATURES,
-    },
-    {
-        .name = "Sun UltraSparc III",
-        .iu_version = ((0x3eULL << 48) | (0x14ULL << 32) | (0x34ULL << 24)),
-        .fpu_version = 0x00000000,
-        .mmu_version = mmu_us_12,
-        .nwindows = 8,
-        .maxtl = 5,
-        .features = CPU_DEFAULT_FEATURES,
-    },
-    {
-        .name = "Sun UltraSparc III Cu",
-        .iu_version = ((0x3eULL << 48) | (0x15ULL << 32) | (0x41ULL << 24)),
-        .fpu_version = 0x00000000,
-        .mmu_version = mmu_us_3,
-        .nwindows = 8,
-        .maxtl = 5,
-        .features = CPU_DEFAULT_FEATURES,
-    },
-    {
-        .name = "Sun UltraSparc IIIi",
-        .iu_version = ((0x3eULL << 48) | (0x16ULL << 32) | (0x34ULL << 24)),
-        .fpu_version = 0x00000000,
-        .mmu_version = mmu_us_12,
-        .nwindows = 8,
-        .maxtl = 5,
-        .features = CPU_DEFAULT_FEATURES,
-    },
-    {
-        .name = "Sun UltraSparc IV",
-        .iu_version = ((0x3eULL << 48) | (0x18ULL << 32) | (0x31ULL << 24)),
-        .fpu_version = 0x00000000,
-        .mmu_version = mmu_us_4,
-        .nwindows = 8,
-        .maxtl = 5,
-        .features = CPU_DEFAULT_FEATURES,
-    },
-    {
-        .name = "Sun UltraSparc IV+",
-        .iu_version = ((0x3eULL << 48) | (0x19ULL << 32) | (0x22ULL << 24)),
-        .fpu_version = 0x00000000,
-        .mmu_version = mmu_us_12,
-        .nwindows = 8,
-        .maxtl = 5,
-        .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_CMT,
-    },
-    {
-        .name = "Sun UltraSparc IIIi+",
-        .iu_version = ((0x3eULL << 48) | (0x22ULL << 32) | (0ULL << 24)),
-        .fpu_version = 0x00000000,
-        .mmu_version = mmu_us_3,
-        .nwindows = 8,
-        .maxtl = 5,
-        .features = CPU_DEFAULT_FEATURES,
-    },
-    {
-        .name = "Sun UltraSparc T1",
-        /* defined in sparc_ifu_fdp.v and ctu.h */
-        .iu_version = ((0x3eULL << 48) | (0x23ULL << 32) | (0x02ULL << 24)),
-        .fpu_version = 0x00000000,
-        .mmu_version = mmu_sun4v,
-        .nwindows = 8,
-        .maxtl = 6,
-        .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
-        | CPU_FEATURE_GL,
-    },
-    {
-        .name = "Sun UltraSparc T2",
-        /* defined in tlu_asi_ctl.v and n2_revid_cust.v */
-        .iu_version = ((0x3eULL << 48) | (0x24ULL << 32) | (0x02ULL << 24)),
-        .fpu_version = 0x00000000,
-        .mmu_version = mmu_sun4v,
-        .nwindows = 8,
-        .maxtl = 6,
-        .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
-        | CPU_FEATURE_GL,
-    },
-    {
-        .name = "NEC UltraSparc I",
-        .iu_version = ((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
-        .fpu_version = 0x00000000,
-        .mmu_version = mmu_us_12,
-        .nwindows = 8,
-        .maxtl = 5,
-        .features = CPU_DEFAULT_FEATURES,
-    },
-#else
-    {
-        .name = "Fujitsu MB86900",
-        .iu_version = 0x00 << 24, /* Impl 0, ver 0 */
-        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
-        .mmu_version = 0x00 << 24, /* Impl 0, ver 0 */
-        .mmu_bm = 0x00004000,
-        .mmu_ctpr_mask = 0x007ffff0,
-        .mmu_cxr_mask = 0x0000003f,
-        .mmu_sfsr_mask = 0xffffffff,
-        .mmu_trcr_mask = 0xffffffff,
-        .nwindows = 7,
-        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_FSMULD,
-    },
-    {
-        .name = "Fujitsu MB86904",
-        .iu_version = 0x04 << 24, /* Impl 0, ver 4 */
-        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
-        .mmu_version = 0x04 << 24, /* Impl 0, ver 4 */
-        .mmu_bm = 0x00004000,
-        .mmu_ctpr_mask = 0x00ffffc0,
-        .mmu_cxr_mask = 0x000000ff,
-        .mmu_sfsr_mask = 0x00016fff,
-        .mmu_trcr_mask = 0x00ffffff,
-        .nwindows = 8,
-        .features = CPU_DEFAULT_FEATURES,
-    },
-    {
-        .name = "Fujitsu MB86907",
-        .iu_version = 0x05 << 24, /* Impl 0, ver 5 */
-        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
-        .mmu_version = 0x05 << 24, /* Impl 0, ver 5 */
-        .mmu_bm = 0x00004000,
-        .mmu_ctpr_mask = 0xffffffc0,
-        .mmu_cxr_mask = 0x000000ff,
-        .mmu_sfsr_mask = 0x00016fff,
-        .mmu_trcr_mask = 0xffffffff,
-        .nwindows = 8,
-        .features = CPU_DEFAULT_FEATURES,
-    },
-    {
-        .name = "LSI L64811",
-        .iu_version = 0x10 << 24, /* Impl 1, ver 0 */
-        .fpu_version = 1 << 17, /* FPU version 1 (LSI L64814) */
-        .mmu_version = 0x10 << 24,
-        .mmu_bm = 0x00004000,
-        .mmu_ctpr_mask = 0x007ffff0,
-        .mmu_cxr_mask = 0x0000003f,
-        .mmu_sfsr_mask = 0xffffffff,
-        .mmu_trcr_mask = 0xffffffff,
-        .nwindows = 8,
-        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
-        CPU_FEATURE_FSMULD,
-    },
-    {
-        .name = "Cypress CY7C601",
-        .iu_version = 0x11 << 24, /* Impl 1, ver 1 */
-        .fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */
-        .mmu_version = 0x10 << 24,
-        .mmu_bm = 0x00004000,
-        .mmu_ctpr_mask = 0x007ffff0,
-        .mmu_cxr_mask = 0x0000003f,
-        .mmu_sfsr_mask = 0xffffffff,
-        .mmu_trcr_mask = 0xffffffff,
-        .nwindows = 8,
-        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
-        CPU_FEATURE_FSMULD,
-    },
-    {
-        .name = "Cypress CY7C611",
-        .iu_version = 0x13 << 24, /* Impl 1, ver 3 */
-        .fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */
-        .mmu_version = 0x10 << 24,
-        .mmu_bm = 0x00004000,
-        .mmu_ctpr_mask = 0x007ffff0,
-        .mmu_cxr_mask = 0x0000003f,
-        .mmu_sfsr_mask = 0xffffffff,
-        .mmu_trcr_mask = 0xffffffff,
-        .nwindows = 8,
-        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
-        CPU_FEATURE_FSMULD,
-    },
-    {
-        .name = "TI MicroSparc I",
-        .iu_version = 0x41000000,
-        .fpu_version = 4 << 17,
-        .mmu_version = 0x41000000,
-        .mmu_bm = 0x00004000,
-        .mmu_ctpr_mask = 0x007ffff0,
-        .mmu_cxr_mask = 0x0000003f,
-        .mmu_sfsr_mask = 0x00016fff,
-        .mmu_trcr_mask = 0x0000003f,
-        .nwindows = 7,
-        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_MUL |
-        CPU_FEATURE_DIV | CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT |
-        CPU_FEATURE_FMUL,
-    },
-    {
-        .name = "TI MicroSparc II",
-        .iu_version = 0x42000000,
-        .fpu_version = 4 << 17,
-        .mmu_version = 0x02000000,
-        .mmu_bm = 0x00004000,
-        .mmu_ctpr_mask = 0x00ffffc0,
-        .mmu_cxr_mask = 0x000000ff,
-        .mmu_sfsr_mask = 0x00016fff,
-        .mmu_trcr_mask = 0x00ffffff,
-        .nwindows = 8,
-        .features = CPU_DEFAULT_FEATURES,
-    },
-    {
-        .name = "TI MicroSparc IIep",
-        .iu_version = 0x42000000,
-        .fpu_version = 4 << 17,
-        .mmu_version = 0x04000000,
-        .mmu_bm = 0x00004000,
-        .mmu_ctpr_mask = 0x00ffffc0,
-        .mmu_cxr_mask = 0x000000ff,
-        .mmu_sfsr_mask = 0x00016bff,
-        .mmu_trcr_mask = 0x00ffffff,
-        .nwindows = 8,
-        .features = CPU_DEFAULT_FEATURES,
-    },
-    {
-        .name = "TI SuperSparc 40", /* STP1020NPGA */
-        .iu_version = 0x41000000, /* SuperSPARC 2.x */
-        .fpu_version = 0 << 17,
-        .mmu_version = 0x00000800, /* SuperSPARC 2.x, no MXCC */
-        .mmu_bm = 0x00002000,
-        .mmu_ctpr_mask = 0xffffffc0,
-        .mmu_cxr_mask = 0x0000ffff,
-        .mmu_sfsr_mask = 0xffffffff,
-        .mmu_trcr_mask = 0xffffffff,
-        .nwindows = 8,
-        .features = CPU_DEFAULT_FEATURES,
-    },
-    {
-        .name = "TI SuperSparc 50", /* STP1020PGA */
-        .iu_version = 0x40000000, /* SuperSPARC 3.x */
-        .fpu_version = 0 << 17,
-        .mmu_version = 0x01000800, /* SuperSPARC 3.x, no MXCC */
-        .mmu_bm = 0x00002000,
-        .mmu_ctpr_mask = 0xffffffc0,
-        .mmu_cxr_mask = 0x0000ffff,
-        .mmu_sfsr_mask = 0xffffffff,
-        .mmu_trcr_mask = 0xffffffff,
-        .nwindows = 8,
-        .features = CPU_DEFAULT_FEATURES,
-    },
-    {
-        .name = "TI SuperSparc 51",
-        .iu_version = 0x40000000, /* SuperSPARC 3.x */
-        .fpu_version = 0 << 17,
-        .mmu_version = 0x01000000, /* SuperSPARC 3.x, MXCC */
-        .mmu_bm = 0x00002000,
-        .mmu_ctpr_mask = 0xffffffc0,
-        .mmu_cxr_mask = 0x0000ffff,
-        .mmu_sfsr_mask = 0xffffffff,
-        .mmu_trcr_mask = 0xffffffff,
-        .mxcc_version = 0x00000104,
-        .nwindows = 8,
-        .features = CPU_DEFAULT_FEATURES,
-    },
-    {
-        .name = "TI SuperSparc 60", /* STP1020APGA */
-        .iu_version = 0x40000000, /* SuperSPARC 3.x */
-        .fpu_version = 0 << 17,
-        .mmu_version = 0x01000800, /* SuperSPARC 3.x, no MXCC */
-        .mmu_bm = 0x00002000,
-        .mmu_ctpr_mask = 0xffffffc0,
-        .mmu_cxr_mask = 0x0000ffff,
-        .mmu_sfsr_mask = 0xffffffff,
-        .mmu_trcr_mask = 0xffffffff,
-        .nwindows = 8,
-        .features = CPU_DEFAULT_FEATURES,
-    },
-    {
-        .name = "TI SuperSparc 61",
-        .iu_version = 0x44000000, /* SuperSPARC 3.x */
-        .fpu_version = 0 << 17,
-        .mmu_version = 0x01000000, /* SuperSPARC 3.x, MXCC */
-        .mmu_bm = 0x00002000,
-        .mmu_ctpr_mask = 0xffffffc0,
-        .mmu_cxr_mask = 0x0000ffff,
-        .mmu_sfsr_mask = 0xffffffff,
-        .mmu_trcr_mask = 0xffffffff,
-        .mxcc_version = 0x00000104,
-        .nwindows = 8,
-        .features = CPU_DEFAULT_FEATURES,
-    },
-    {
-        .name = "TI SuperSparc II",
-        .iu_version = 0x40000000, /* SuperSPARC II 1.x */
-        .fpu_version = 0 << 17,
-        .mmu_version = 0x08000000, /* SuperSPARC II 1.x, MXCC */
-        .mmu_bm = 0x00002000,
-        .mmu_ctpr_mask = 0xffffffc0,
-        .mmu_cxr_mask = 0x0000ffff,
-        .mmu_sfsr_mask = 0xffffffff,
-        .mmu_trcr_mask = 0xffffffff,
-        .mxcc_version = 0x00000104,
-        .nwindows = 8,
-        .features = CPU_DEFAULT_FEATURES,
-    },
-    {
-        .name = "Ross RT625",
-        .iu_version = 0x1e000000,
-        .fpu_version = 1 << 17,
-        .mmu_version = 0x1e000000,
-        .mmu_bm = 0x00004000,
-        .mmu_ctpr_mask = 0x007ffff0,
-        .mmu_cxr_mask = 0x0000003f,
-        .mmu_sfsr_mask = 0xffffffff,
-        .mmu_trcr_mask = 0xffffffff,
-        .nwindows = 8,
-        .features = CPU_DEFAULT_FEATURES,
-    },
-    {
-        .name = "Ross RT620",
-        .iu_version = 0x1f000000,
-        .fpu_version = 1 << 17,
-        .mmu_version = 0x1f000000,
-        .mmu_bm = 0x00004000,
-        .mmu_ctpr_mask = 0x007ffff0,
-        .mmu_cxr_mask = 0x0000003f,
-        .mmu_sfsr_mask = 0xffffffff,
-        .mmu_trcr_mask = 0xffffffff,
-        .nwindows = 8,
-        .features = CPU_DEFAULT_FEATURES,
-    },
-    {
-        .name = "BIT B5010",
-        .iu_version = 0x20000000,
-        .fpu_version = 0 << 17, /* B5010/B5110/B5120/B5210 */
-        .mmu_version = 0x20000000,
-        .mmu_bm = 0x00004000,
-        .mmu_ctpr_mask = 0x007ffff0,
-        .mmu_cxr_mask = 0x0000003f,
-        .mmu_sfsr_mask = 0xffffffff,
-        .mmu_trcr_mask = 0xffffffff,
-        .nwindows = 8,
-        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
-        CPU_FEATURE_FSMULD,
-    },
-    {
-        .name = "Matsushita MN10501",
-        .iu_version = 0x50000000,
-        .fpu_version = 0 << 17,
-        .mmu_version = 0x50000000,
-        .mmu_bm = 0x00004000,
-        .mmu_ctpr_mask = 0x007ffff0,
-        .mmu_cxr_mask = 0x0000003f,
-        .mmu_sfsr_mask = 0xffffffff,
-        .mmu_trcr_mask = 0xffffffff,
-        .nwindows = 8,
-        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_MUL | CPU_FEATURE_FSQRT |
-        CPU_FEATURE_FSMULD,
-    },
-    {
-        .name = "Weitek W8601",
-        .iu_version = 0x90 << 24, /* Impl 9, ver 0 */
-        .fpu_version = 3 << 17, /* FPU version 3 (Weitek WTL3170/2) */
-        .mmu_version = 0x10 << 24,
-        .mmu_bm = 0x00004000,
-        .mmu_ctpr_mask = 0x007ffff0,
-        .mmu_cxr_mask = 0x0000003f,
-        .mmu_sfsr_mask = 0xffffffff,
-        .mmu_trcr_mask = 0xffffffff,
-        .nwindows = 8,
-        .features = CPU_DEFAULT_FEATURES,
-    },
-    {
-        .name = "LEON2",
-        .iu_version = 0xf2000000,
-        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
-        .mmu_version = 0xf2000000,
-        .mmu_bm = 0x00004000,
-        .mmu_ctpr_mask = 0x007ffff0,
-        .mmu_cxr_mask = 0x0000003f,
-        .mmu_sfsr_mask = 0xffffffff,
-        .mmu_trcr_mask = 0xffffffff,
-        .nwindows = 8,
-        .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_TA0_SHUTDOWN,
-    },
-    {
-        .name = "LEON3",
-        .iu_version = 0xf3000000,
-        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
-        .mmu_version = 0xf3000000,
-        .mmu_bm = 0x00000000,
-        .mmu_ctpr_mask = 0x007ffff0,
-        .mmu_cxr_mask = 0x0000003f,
-        .mmu_sfsr_mask = 0xffffffff,
-        .mmu_trcr_mask = 0xffffffff,
-        .nwindows = 8,
-        .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_TA0_SHUTDOWN |
-        CPU_FEATURE_ASR17 | CPU_FEATURE_CACHE_CTRL,
-    },
-#endif
-};
-
-static const char * const feature_name[] = {
-    "float",
-    "float128",
-    "swap",
-    "mul",
-    "div",
-    "flush",
-    "fsqrt",
-    "fmul",
-    "vis1",
-    "vis2",
-    "fsmuld",
-    "hypv",
-    "cmt",
-    "gl",
-};
-
-static void print_features(FILE *f, fprintf_function cpu_fprintf,
-                           uint32_t features, const char *prefix)
-{
-    unsigned int i;
-
-    for (i = 0; i < ARRAY_SIZE(feature_name); i++) {
-        if (feature_name[i] && (features & (1 << i))) {
-            if (prefix) {
-                (*cpu_fprintf)(f, "%s", prefix);
-            }
-            (*cpu_fprintf)(f, "%s ", feature_name[i]);
-        }
-    }
-}
-
-static void add_flagname_to_bitmaps(const char *flagname, uint32_t *features)
-{
-    unsigned int i;
-
-    for (i = 0; i < ARRAY_SIZE(feature_name); i++) {
-        if (feature_name[i] && !strcmp(flagname, feature_name[i])) {
-            *features |= 1 << i;
-            return;
-        }
-    }
-    fprintf(stderr, "CPU feature %s not found\n", flagname);
-}
-
-static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model)
-{
-    unsigned int i;
-    const sparc_def_t *def = NULL;
-    char *s = strdup(cpu_model);
-    char *featurestr, *name = strtok(s, ",");
-    uint32_t plus_features = 0;
-    uint32_t minus_features = 0;
-    uint64_t iu_version;
-    uint32_t fpu_version, mmu_version, nwindows;
-
-    for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) {
-        if (strcasecmp(name, sparc_defs[i].name) == 0) {
-            def = &sparc_defs[i];
-        }
-    }
-    if (!def) {
-        goto error;
-    }
-    memcpy(cpu_def, def, sizeof(*def));
-
-    featurestr = strtok(NULL, ",");
-    while (featurestr) {
-        char *val;
-
-        if (featurestr[0] == '+') {
-            add_flagname_to_bitmaps(featurestr + 1, &plus_features);
-        } else if (featurestr[0] == '-') {
-            add_flagname_to_bitmaps(featurestr + 1, &minus_features);
-        } else if ((val = strchr(featurestr, '='))) {
-            *val = 0; val++;
-            if (!strcmp(featurestr, "iu_version")) {
-                char *err;
-
-                iu_version = strtoll(val, &err, 0);
-                if (!*val || *err) {
-                    fprintf(stderr, "bad numerical value %s\n", val);
-                    goto error;
-                }
-                cpu_def->iu_version = iu_version;
-#ifdef DEBUG_FEATURES
-                fprintf(stderr, "iu_version %" PRIx64 "\n", iu_version);
-#endif
-            } else if (!strcmp(featurestr, "fpu_version")) {
-                char *err;
-
-                fpu_version = strtol(val, &err, 0);
-                if (!*val || *err) {
-                    fprintf(stderr, "bad numerical value %s\n", val);
-                    goto error;
-                }
-                cpu_def->fpu_version = fpu_version;
-#ifdef DEBUG_FEATURES
-                fprintf(stderr, "fpu_version %x\n", fpu_version);
-#endif
-            } else if (!strcmp(featurestr, "mmu_version")) {
-                char *err;
-
-                mmu_version = strtol(val, &err, 0);
-                if (!*val || *err) {
-                    fprintf(stderr, "bad numerical value %s\n", val);
-                    goto error;
-                }
-                cpu_def->mmu_version = mmu_version;
-#ifdef DEBUG_FEATURES
-                fprintf(stderr, "mmu_version %x\n", mmu_version);
-#endif
-            } else if (!strcmp(featurestr, "nwindows")) {
-                char *err;
-
-                nwindows = strtol(val, &err, 0);
-                if (!*val || *err || nwindows > MAX_NWINDOWS ||
-                    nwindows < MIN_NWINDOWS) {
-                    fprintf(stderr, "bad numerical value %s\n", val);
-                    goto error;
-                }
-                cpu_def->nwindows = nwindows;
-#ifdef DEBUG_FEATURES
-                fprintf(stderr, "nwindows %d\n", nwindows);
-#endif
-            } else {
-                fprintf(stderr, "unrecognized feature %s\n", featurestr);
-                goto error;
-            }
-        } else {
-            fprintf(stderr, "feature string `%s' not in format "
-                    "(+feature|-feature|feature=xyz)\n", featurestr);
-            goto error;
-        }
-        featurestr = strtok(NULL, ",");
-    }
-    cpu_def->features |= plus_features;
-    cpu_def->features &= ~minus_features;
-#ifdef DEBUG_FEATURES
-    print_features(stderr, fprintf, cpu_def->features, NULL);
-#endif
-    free(s);
-    return 0;
-
- error:
-    free(s);
-    return -1;
-}
-
-void sparc_cpu_list(FILE *f, fprintf_function cpu_fprintf)
-{
-    unsigned int i;
-
-    for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) {
-        (*cpu_fprintf)(f, "Sparc %16s IU " TARGET_FMT_lx
-                       " FPU %08x MMU %08x NWINS %d ",
-                       sparc_defs[i].name,
-                       sparc_defs[i].iu_version,
-                       sparc_defs[i].fpu_version,
-                       sparc_defs[i].mmu_version,
-                       sparc_defs[i].nwindows);
-        print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES &
-                       ~sparc_defs[i].features, "-");
-        print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES &
-                       sparc_defs[i].features, "+");
-        (*cpu_fprintf)(f, "\n");
-    }
-    (*cpu_fprintf)(f, "Default CPU feature flags (use '-' to remove): ");
-    print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES, NULL);
-    (*cpu_fprintf)(f, "\n");
-    (*cpu_fprintf)(f, "Available CPU feature flags (use '+' to add): ");
-    print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES, NULL);
-    (*cpu_fprintf)(f, "\n");
-    (*cpu_fprintf)(f, "Numerical features (use '=' to set): iu_version "
-                   "fpu_version mmu_version nwindows\n");
-}
-
-static void cpu_print_cc(FILE *f, fprintf_function cpu_fprintf,
-                         uint32_t cc)
-{
-    cpu_fprintf(f, "%c%c%c%c", cc & PSR_NEG ? 'N' : '-',
-                cc & PSR_ZERO ? 'Z' : '-', cc & PSR_OVF ? 'V' : '-',
-                cc & PSR_CARRY ? 'C' : '-');
-}
-
-#ifdef TARGET_SPARC64
-#define REGS_PER_LINE 4
-#else
-#define REGS_PER_LINE 8
-#endif
-
-void cpu_dump_state(CPUState *env, FILE *f, fprintf_function cpu_fprintf,
-                    int flags)
-{
-    int i, x;
-
-    cpu_fprintf(f, "pc: " TARGET_FMT_lx "  npc: " TARGET_FMT_lx "\n", env->pc,
-                env->npc);
-    cpu_fprintf(f, "General Registers:\n");
-
-    for (i = 0; i < 8; i++) {
-        if (i % REGS_PER_LINE == 0) {
-            cpu_fprintf(f, "%%g%d-%d:", i, i + REGS_PER_LINE - 1);
-        }
-        cpu_fprintf(f, " " TARGET_FMT_lx, env->gregs[i]);
-        if (i % REGS_PER_LINE == REGS_PER_LINE - 1) {
-            cpu_fprintf(f, "\n");
-        }
-    }
-    cpu_fprintf(f, "\nCurrent Register Window:\n");
-    for (x = 0; x < 3; x++) {
-        for (i = 0; i < 8; i++) {
-            if (i % REGS_PER_LINE == 0) {
-                cpu_fprintf(f, "%%%c%d-%d: ",
-                            x == 0 ? 'o' : (x == 1 ? 'l' : 'i'),
-                            i, i + REGS_PER_LINE - 1);
-            }
-            cpu_fprintf(f, TARGET_FMT_lx " ", env->regwptr[i + x * 8]);
-            if (i % REGS_PER_LINE == REGS_PER_LINE - 1) {
-                cpu_fprintf(f, "\n");
-            }
-        }
-    }
-    cpu_fprintf(f, "\nFloating Point Registers:\n");
-    for (i = 0; i < TARGET_FPREGS; i++) {
-        if ((i & 3) == 0) {
-            cpu_fprintf(f, "%%f%02d:", i);
-        }
-        cpu_fprintf(f, " %016f", *(float *)&env->fpr[i]);
-        if ((i & 3) == 3) {
-            cpu_fprintf(f, "\n");
-        }
-    }
-#ifdef TARGET_SPARC64
-    cpu_fprintf(f, "pstate: %08x ccr: %02x (icc: ", env->pstate,
-                (unsigned)cpu_get_ccr(env));
-    cpu_print_cc(f, cpu_fprintf, cpu_get_ccr(env) << PSR_CARRY_SHIFT);
-    cpu_fprintf(f, " xcc: ");
-    cpu_print_cc(f, cpu_fprintf, cpu_get_ccr(env) << (PSR_CARRY_SHIFT - 4));
-    cpu_fprintf(f, ") asi: %02x tl: %d pil: %x\n", env->asi, env->tl,
-                env->psrpil);
-    cpu_fprintf(f, "cansave: %d canrestore: %d otherwin: %d wstate: %d "
-                "cleanwin: %d cwp: %d\n",
-                env->cansave, env->canrestore, env->otherwin, env->wstate,
-                env->cleanwin, env->nwindows - 1 - env->cwp);
-    cpu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx " fprs: "
-                TARGET_FMT_lx "\n", env->fsr, env->y, env->fprs);
-#else
-    cpu_fprintf(f, "psr: %08x (icc: ", cpu_get_psr(env));
-    cpu_print_cc(f, cpu_fprintf, cpu_get_psr(env));
-    cpu_fprintf(f, " SPE: %c%c%c) wim: %08x\n", env->psrs ? 'S' : '-',
-                env->psrps ? 'P' : '-', env->psret ? 'E' : '-',
-                env->wim);
-    cpu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx "\n",
-                env->fsr, env->y);
-#endif
-}
diff --git a/target-sparc/int_helper.c b/target-sparc/int_helper.c
new file mode 100644
index 0000000..31dc192
--- /dev/null
+++ b/target-sparc/int_helper.c
@@ -0,0 +1,264 @@ 
+/*
+ * Sparc interrupt helpers
+ *
+ *  Copyright (c) 2003-2005 Fabrice Bellard
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "cpu.h"
+
+//#define DEBUG_PCALL
+
+#ifdef TARGET_SPARC64
+#ifdef DEBUG_PCALL
+static const char * const excp_names[0x80] = {
+    [TT_TFAULT] = "Instruction Access Fault",
+    [TT_TMISS] = "Instruction Access MMU Miss",
+    [TT_CODE_ACCESS] = "Instruction Access Error",
+    [TT_ILL_INSN] = "Illegal Instruction",
+    [TT_PRIV_INSN] = "Privileged Instruction",
+    [TT_NFPU_INSN] = "FPU Disabled",
+    [TT_FP_EXCP] = "FPU Exception",
+    [TT_TOVF] = "Tag Overflow",
+    [TT_CLRWIN] = "Clean Windows",
+    [TT_DIV_ZERO] = "Division By Zero",
+    [TT_DFAULT] = "Data Access Fault",
+    [TT_DMISS] = "Data Access MMU Miss",
+    [TT_DATA_ACCESS] = "Data Access Error",
+    [TT_DPROT] = "Data Protection Error",
+    [TT_UNALIGNED] = "Unaligned Memory Access",
+    [TT_PRIV_ACT] = "Privileged Action",
+    [TT_EXTINT | 0x1] = "External Interrupt 1",
+    [TT_EXTINT | 0x2] = "External Interrupt 2",
+    [TT_EXTINT | 0x3] = "External Interrupt 3",
+    [TT_EXTINT | 0x4] = "External Interrupt 4",
+    [TT_EXTINT | 0x5] = "External Interrupt 5",
+    [TT_EXTINT | 0x6] = "External Interrupt 6",
+    [TT_EXTINT | 0x7] = "External Interrupt 7",
+    [TT_EXTINT | 0x8] = "External Interrupt 8",
+    [TT_EXTINT | 0x9] = "External Interrupt 9",
+    [TT_EXTINT | 0xa] = "External Interrupt 10",
+    [TT_EXTINT | 0xb] = "External Interrupt 11",
+    [TT_EXTINT | 0xc] = "External Interrupt 12",
+    [TT_EXTINT | 0xd] = "External Interrupt 13",
+    [TT_EXTINT | 0xe] = "External Interrupt 14",
+    [TT_EXTINT | 0xf] = "External Interrupt 15",
+};
+#endif
+
+void do_interrupt(CPUState *env)
+{
+    int intno = env->exception_index;
+    trap_state *tsptr;
+
+#ifdef DEBUG_PCALL
+    if (qemu_loglevel_mask(CPU_LOG_INT)) {
+        static int count;
+        const char *name;
+
+        if (intno < 0 || intno >= 0x180) {
+            name = "Unknown";
+        } else if (intno >= 0x100) {
+            name = "Trap Instruction";
+        } else if (intno >= 0xc0) {
+            name = "Window Fill";
+        } else if (intno >= 0x80) {
+            name = "Window Spill";
+        } else {
+            name = excp_names[intno];
+            if (!name) {
+                name = "Unknown";
+            }
+        }
+
+        qemu_log("%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64
+                " SP=%016" PRIx64 "\n",
+                count, name, intno,
+                env->pc,
+                env->npc, env->regwptr[6]);
+        log_cpu_state(env, 0);
+#if 0
+        {
+            int i;
+            uint8_t *ptr;
+
+            qemu_log("       code=");
+            ptr = (uint8_t *)env->pc;
+            for (i = 0; i < 16; i++) {
+                qemu_log(" %02x", ldub(ptr + i));
+            }
+            qemu_log("\n");
+        }
+#endif
+        count++;
+    }
+#endif
+#if !defined(CONFIG_USER_ONLY)
+    if (env->tl >= env->maxtl) {
+        cpu_abort(env, "Trap 0x%04x while trap level (%d) >= MAXTL (%d),"
+                  " Error state", env->exception_index, env->tl, env->maxtl);
+        return;
+    }
+#endif
+    if (env->tl < env->maxtl - 1) {
+        env->tl++;
+    } else {
+        env->pstate |= PS_RED;
+        if (env->tl < env->maxtl) {
+            env->tl++;
+        }
+    }
+    tsptr = cpu_tsptr(env);
+
+    tsptr->tstate = (cpu_get_ccr(env) << 32) |
+        ((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) |
+        cpu_get_cwp64(env);
+    tsptr->tpc = env->pc;
+    tsptr->tnpc = env->npc;
+    tsptr->tt = intno;
+
+    switch (intno) {
+    case TT_IVEC:
+        cpu_change_pstate(env, PS_PEF | PS_PRIV | PS_IG);
+        break;
+    case TT_TFAULT:
+    case TT_DFAULT:
+    case TT_TMISS ... TT_TMISS + 3:
+    case TT_DMISS ... TT_DMISS + 3:
+    case TT_DPROT ... TT_DPROT + 3:
+        cpu_change_pstate(env, PS_PEF | PS_PRIV | PS_MG);
+        break;
+    default:
+        cpu_change_pstate(env, PS_PEF | PS_PRIV | PS_AG);
+        break;
+    }
+
+    if (intno == TT_CLRWIN) {
+        cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - 1));
+    } else if ((intno & 0x1c0) == TT_SPILL) {
+        cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - env->cansave - 2));
+    } else if ((intno & 0x1c0) == TT_FILL) {
+        cpu_set_cwp(env, cpu_cwp_inc(env, env->cwp + 1));
+    }
+    env->tbr &= ~0x7fffULL;
+    env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5);
+    env->pc = env->tbr;
+    env->npc = env->pc + 4;
+    env->exception_index = -1;
+}
+#else
+#ifdef DEBUG_PCALL
+static const char * const excp_names[0x80] = {
+    [TT_TFAULT] = "Instruction Access Fault",
+    [TT_ILL_INSN] = "Illegal Instruction",
+    [TT_PRIV_INSN] = "Privileged Instruction",
+    [TT_NFPU_INSN] = "FPU Disabled",
+    [TT_WIN_OVF] = "Window Overflow",
+    [TT_WIN_UNF] = "Window Underflow",
+    [TT_UNALIGNED] = "Unaligned Memory Access",
+    [TT_FP_EXCP] = "FPU Exception",
+    [TT_DFAULT] = "Data Access Fault",
+    [TT_TOVF] = "Tag Overflow",
+    [TT_EXTINT | 0x1] = "External Interrupt 1",
+    [TT_EXTINT | 0x2] = "External Interrupt 2",
+    [TT_EXTINT | 0x3] = "External Interrupt 3",
+    [TT_EXTINT | 0x4] = "External Interrupt 4",
+    [TT_EXTINT | 0x5] = "External Interrupt 5",
+    [TT_EXTINT | 0x6] = "External Interrupt 6",
+    [TT_EXTINT | 0x7] = "External Interrupt 7",
+    [TT_EXTINT | 0x8] = "External Interrupt 8",
+    [TT_EXTINT | 0x9] = "External Interrupt 9",
+    [TT_EXTINT | 0xa] = "External Interrupt 10",
+    [TT_EXTINT | 0xb] = "External Interrupt 11",
+    [TT_EXTINT | 0xc] = "External Interrupt 12",
+    [TT_EXTINT | 0xd] = "External Interrupt 13",
+    [TT_EXTINT | 0xe] = "External Interrupt 14",
+    [TT_EXTINT | 0xf] = "External Interrupt 15",
+    [TT_TOVF] = "Tag Overflow",
+    [TT_CODE_ACCESS] = "Instruction Access Error",
+    [TT_DATA_ACCESS] = "Data Access Error",
+    [TT_DIV_ZERO] = "Division By Zero",
+    [TT_NCP_INSN] = "Coprocessor Disabled",
+};
+#endif
+
+void do_interrupt(CPUState *env)
+{
+    int cwp, intno = env->exception_index;
+
+#ifdef DEBUG_PCALL
+    if (qemu_loglevel_mask(CPU_LOG_INT)) {
+        static int count;
+        const char *name;
+
+        if (intno < 0 || intno >= 0x100) {
+            name = "Unknown";
+        } else if (intno >= 0x80) {
+            name = "Trap Instruction";
+        } else {
+            name = excp_names[intno];
+            if (!name) {
+                name = "Unknown";
+            }
+        }
+
+        qemu_log("%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
+                count, name, intno,
+                env->pc,
+                env->npc, env->regwptr[6]);
+        log_cpu_state(env, 0);
+#if 0
+        {
+            int i;
+            uint8_t *ptr;
+
+            qemu_log("       code=");
+            ptr = (uint8_t *)env->pc;
+            for (i = 0; i < 16; i++) {
+                qemu_log(" %02x", ldub(ptr + i));
+            }
+            qemu_log("\n");
+        }
+#endif
+        count++;
+    }
+#endif
+#if !defined(CONFIG_USER_ONLY)
+    if (env->psret == 0) {
+        cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state",
+                  env->exception_index);
+        return;
+    }
+#endif
+    env->psret = 0;
+    cwp = cpu_cwp_dec(env, env->cwp - 1);
+    cpu_set_cwp(env, cwp);
+    env->regwptr[9] = env->pc;
+    env->regwptr[10] = env->npc;
+    env->psrps = env->psrs;
+    env->psrs = 1;
+    env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4);
+    env->pc = env->tbr;
+    env->npc = env->pc + 4;
+    env->exception_index = -1;
+
+#if !defined(CONFIG_USER_ONLY)
+    /* IRQ acknowledgment */
+    if ((intno & ~15) == TT_EXTINT && env->qemu_irq_ack != NULL) {
+        env->qemu_irq_ack(env->irq_manager, intno);
+    }
+#endif
+}
+#endif
diff --git a/target-sparc/op_helper.c b/target-sparc/op_helper.c
index 48e1db8..2e56177 100644
--- a/target-sparc/op_helper.c
+++ b/target-sparc/op_helper.c
@@ -13,7 +13,6 @@ 
 //#define DEBUG_UNALIGNED
 //#define DEBUG_UNASSIGNED
 //#define DEBUG_ASI
-//#define DEBUG_PCALL
 //#define DEBUG_PSTATE
 //#define DEBUG_CACHE_CONTROL