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Sun, 24 Jul 2011 21:11:34 +0400 From: Max Filippov To: qemu-devel@nongnu.org Date: Sun, 24 Jul 2011 21:10:39 +0400 Message-Id: <1311527469-12963-2-git-send-email-jcmvbkbc@gmail.com> X-Mailer: git-send-email 1.7.3.4 In-Reply-To: <1311527469-12963-1-git-send-email-jcmvbkbc@gmail.com> References: <1311527469-12963-1-git-send-email-jcmvbkbc@gmail.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-Received-From: 209.85.161.47 Cc: jcmvbkbc@gmail.com Subject: [Qemu-devel] [PATCH v2 01/31] target-xtensa: add target stubs X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Max Filippov --- Makefile.target | 2 + arch_init.c | 2 + arch_init.h | 1 + cpu-exec.c | 2 + elf.h | 2 + hw/xtensa_pic.c | 38 ++++++++++++++++++ target-xtensa/cpu.h | 95 +++++++++++++++++++++++++++++++++++++++++++++ target-xtensa/exec.h | 39 ++++++++++++++++++ target-xtensa/helper.c | 73 ++++++++++++++++++++++++++++++++++ target-xtensa/machine.c | 38 ++++++++++++++++++ target-xtensa/op_helper.c | 51 ++++++++++++++++++++++++ target-xtensa/translate.c | 67 +++++++++++++++++++++++++++++++ 12 files changed, 410 insertions(+), 0 deletions(-) create mode 100644 hw/xtensa_pic.c create mode 100644 target-xtensa/cpu.h create mode 100644 target-xtensa/exec.h create mode 100644 target-xtensa/helper.c create mode 100644 target-xtensa/machine.c create mode 100644 target-xtensa/op_helper.c create mode 100644 target-xtensa/translate.c diff --git a/Makefile.target b/Makefile.target index cde509b..968957d 100644 --- a/Makefile.target +++ b/Makefile.target @@ -372,6 +372,8 @@ obj-s390x-y = s390-virtio-bus.o s390-virtio.o obj-alpha-y = i8259.o mc146818rtc.o obj-alpha-y += vga.o cirrus_vga.o +obj-xtensa-y += xtensa_pic.o + main.o: QEMU_CFLAGS+=$(GPROF_CFLAGS) monitor.o: hmp-commands.h qmp-commands.h diff --git a/arch_init.c b/arch_init.c index 484b39d..ff48155 100644 --- a/arch_init.c +++ b/arch_init.c @@ -78,6 +78,8 @@ const char arch_config_name[] = CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".con #define QEMU_ARCH QEMU_ARCH_SH4 #elif defined(TARGET_SPARC) #define QEMU_ARCH QEMU_ARCH_SPARC +#elif defined(TARGET_XTENSA) +#define QEMU_ARCH QEMU_ARCH_XTENSA #endif const uint32_t arch_type = QEMU_ARCH; diff --git a/arch_init.h b/arch_init.h index 2de9f08..a74187a 100644 --- a/arch_init.h +++ b/arch_init.h @@ -17,6 +17,7 @@ enum { QEMU_ARCH_S390X = 512, QEMU_ARCH_SH4 = 1024, QEMU_ARCH_SPARC = 2048, + QEMU_ARCH_XTENSA = 4096, }; extern const uint32_t arch_type; diff --git a/cpu-exec.c b/cpu-exec.c index de0d716..3fce033 100644 --- a/cpu-exec.c +++ b/cpu-exec.c @@ -222,6 +222,7 @@ int cpu_exec(CPUState *env) #elif defined(TARGET_SH4) #elif defined(TARGET_CRIS) #elif defined(TARGET_S390X) +#elif defined(TARGET_XTENSA) /* XXXXX */ #else #error unsupported target CPU @@ -616,6 +617,7 @@ int cpu_exec(CPUState *env) #elif defined(TARGET_ALPHA) #elif defined(TARGET_CRIS) #elif defined(TARGET_S390X) +#elif defined(TARGET_XTENSA) /* XXXXX */ #else #error unsupported target CPU diff --git a/elf.h b/elf.h index ffcac7e..2e05d34 100644 --- a/elf.h +++ b/elf.h @@ -125,6 +125,8 @@ typedef int64_t Elf64_Sxword; #define EM_MICROBLAZE 189 #define EM_MICROBLAZE_OLD 0xBAAB +#define EM_XTENSA 94 /* Tensilica Xtensa */ + /* This is the info that is needed to parse the dynamic section of the file */ #define DT_NULL 0 #define DT_NEEDED 1 diff --git a/hw/xtensa_pic.c b/hw/xtensa_pic.c new file mode 100644 index 0000000..91a5445 --- /dev/null +++ b/hw/xtensa_pic.c @@ -0,0 +1,38 @@ +/* + * Copyright (c) 2011, Max Filippov, Open Source and Linux Lab. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of the Open Source and Linux Lab nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "hw.h" +#include "pc.h" + +/* Stub functions for hardware that doesn't exist. */ +void pic_info(Monitor *mon) +{ +} + +void irq_info(Monitor *mon) +{ +} diff --git a/target-xtensa/cpu.h b/target-xtensa/cpu.h new file mode 100644 index 0000000..a51ffc8 --- /dev/null +++ b/target-xtensa/cpu.h @@ -0,0 +1,95 @@ +/* + * Copyright (c) 2011, Max Filippov, Open Source and Linux Lab. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of the Open Source and Linux Lab nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef CPU_XTENSA_H +#define CPU_XTENSA_H + +#define TARGET_LONG_BITS 32 +#define ELF_MACHINE EM_XTENSA + +#define CPUState struct CPUXtensaState + +#include "config.h" +#include "qemu-common.h" +#include "cpu-defs.h" + +#define TARGET_HAS_ICE 1 + +#define NB_MMU_MODES 4 + +#define TARGET_PHYS_ADDR_SPACE_BITS 32 +#define TARGET_VIRT_ADDR_SPACE_BITS 32 +#define TARGET_PAGE_BITS 12 + +typedef struct CPUXtensaState { + uint32_t regs[16]; + uint32_t pc; + uint32_t sregs[256]; + + CPU_COMMON +} CPUXtensaState; + +#define cpu_init cpu_xtensa_init +#define cpu_exec cpu_xtensa_exec +#define cpu_gen_code cpu_xtensa_gen_code +#define cpu_signal_handler cpu_xtensa_signal_handler +#define cpu_list xtensa_cpu_list + +CPUXtensaState *cpu_xtensa_init(const char *cpu_model); +void xtensa_translate_init(void); +int cpu_xtensa_exec(CPUXtensaState *s); +void do_interrupt(CPUXtensaState *s); +int cpu_xtensa_signal_handler(int host_signum, void *pinfo, void *puc); +void xtensa_cpu_list(FILE *f, fprintf_function cpu_fprintf); + +static inline int cpu_mmu_index(CPUState *env) +{ + return 0; +} + +static inline void cpu_get_tb_cpu_state(CPUState *env, target_ulong *pc, + target_ulong *cs_base, int *flags) +{ + *pc = env->pc; + *cs_base = 0; + *flags = 0; +} + +#include "cpu-all.h" +#include "exec-all.h" + +static inline int cpu_has_work(CPUState *env) +{ + return 1; +} + +static inline void cpu_pc_from_tb(CPUState *env, TranslationBlock *tb) +{ + env->pc = tb->pc; +} + +#endif diff --git a/target-xtensa/exec.h b/target-xtensa/exec.h new file mode 100644 index 0000000..0784ab2 --- /dev/null +++ b/target-xtensa/exec.h @@ -0,0 +1,39 @@ +/* + * Copyright (c) 2011, Max Filippov, Open Source and Linux Lab. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of the Open Source and Linux Lab nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "config.h" +#include "dyngen-exec.h" + +register struct CPUXtensaState *env asm(AREG0); + +#include "cpu.h" + +#if !defined(CONFIG_USER_ONLY) +#include "softmmu_exec.h" +#endif + +void raise_exception(int); diff --git a/target-xtensa/helper.c b/target-xtensa/helper.c new file mode 100644 index 0000000..7003259 --- /dev/null +++ b/target-xtensa/helper.c @@ -0,0 +1,73 @@ +/* + * Copyright (c) 2011, Max Filippov, Open Source and Linux Lab. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of the Open Source and Linux Lab nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "cpu.h" +#include "exec-all.h" +#include "gdbstub.h" +#include "qemu-common.h" +#include "host-utils.h" +#if !defined(CONFIG_USER_ONLY) +#include "hw/loader.h" +#endif + +void cpu_reset(CPUXtensaState *env) +{ + env->pc = 0; +} + +CPUXtensaState *cpu_xtensa_init(const char *cpu_model) +{ + static int tcg_inited; + CPUXtensaState *env; + + env = qemu_mallocz(sizeof(*env)); + cpu_exec_init(env); + + if (!tcg_inited) { + tcg_inited = 1; + xtensa_translate_init(); + } + + qemu_init_vcpu(env); + return env; +} + + +void xtensa_cpu_list(FILE *f, fprintf_function cpu_fprintf) +{ + cpu_fprintf(f, "Available CPUs:\n" + " Xtensa core\n"); +} + +target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr) +{ + return addr; +} + +void do_interrupt(CPUState *env) +{ +} diff --git a/target-xtensa/machine.c b/target-xtensa/machine.c new file mode 100644 index 0000000..ddeffb2 --- /dev/null +++ b/target-xtensa/machine.c @@ -0,0 +1,38 @@ +/* + * Copyright (c) 2011, Max Filippov, Open Source and Linux Lab. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of the Open Source and Linux Lab nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "hw/hw.h" +#include "hw/boards.h" + +void cpu_save(QEMUFile *f, void *opaque) +{ +} + +int cpu_load(QEMUFile *f, void *opaque, int version_id) +{ + return 0; +} diff --git a/target-xtensa/op_helper.c b/target-xtensa/op_helper.c new file mode 100644 index 0000000..43f7772 --- /dev/null +++ b/target-xtensa/op_helper.c @@ -0,0 +1,51 @@ +/* + * Copyright (c) 2011, Max Filippov, Open Source and Linux Lab. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of the Open Source and Linux Lab nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "exec.h" + +#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) +{ + tlb_set_page(cpu_single_env, + addr & ~(TARGET_PAGE_SIZE - 1), + addr & ~(TARGET_PAGE_SIZE - 1), + PAGE_READ | PAGE_WRITE | PAGE_EXEC, + mmu_idx, TARGET_PAGE_SIZE); +} diff --git a/target-xtensa/translate.c b/target-xtensa/translate.c new file mode 100644 index 0000000..e91d8a5 --- /dev/null +++ b/target-xtensa/translate.c @@ -0,0 +1,67 @@ +/* + * Xtensa ISA: + * http://www.tensilica.com/products/literature-docs/documentation/xtensa-isa-databook.htm + * + * Copyright (c) 2011, Max Filippov, Open Source and Linux Lab. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of the Open Source and Linux Lab nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include + +#include "cpu.h" +#include "exec-all.h" +#include "disas.h" +#include "tcg-op.h" +#include "qemu-log.h" + + +void xtensa_translate_init(void) +{ +} + +void gen_intermediate_code(CPUState *env, TranslationBlock *tb) +{ +} + +void gen_intermediate_code_pc(CPUState *env, TranslationBlock *tb) +{ +} + +void cpu_dump_state(CPUState *env, FILE *f, fprintf_function cpu_fprintf, + int flags) +{ + int i; + + cpu_fprintf(f, "PC=%08x\n", env->pc); + + for (i = 0; i < 16; ++i) + cpu_fprintf(f, "A%02d=%08x%c", i, env->regs[i], + (i % 4) == 3 ? '\n' : ' '); +} + +void restore_state_to_opc(CPUState *env, TranslationBlock *tb, int pc_pos) +{ + env->pc = gen_opc_pc[pc_pos]; +}