diff options
Diffstat (limited to 'target-xtensa')
| -rw-r--r-- | target-xtensa/cpu.h | 95 | ||||
| -rw-r--r-- | target-xtensa/helper.c | 73 | ||||
| -rw-r--r-- | target-xtensa/machine.c | 38 | ||||
| -rw-r--r-- | target-xtensa/op_helper.c | 52 | ||||
| -rw-r--r-- | target-xtensa/translate.c | 68 |
5 files changed, 326 insertions, 0 deletions
diff --git a/target-xtensa/cpu.h b/target-xtensa/cpu.h new file mode 100644 index 0000000000..a51ffc82c7 --- /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/helper.c b/target-xtensa/helper.c new file mode 100644 index 0000000000..dc30e00481 --- /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 = g_malloc0(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 0000000000..ddeffb2da4 --- /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 0000000000..aafa33d8bd --- /dev/null +++ b/target-xtensa/op_helper.c @@ -0,0 +1,52 @@ +/* + * 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 "dyngen-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 0000000000..4f517d68f1 --- /dev/null +++ b/target-xtensa/translate.c @@ -0,0 +1,68 @@ +/* + * 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 <stdio.h> + +#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]; +} |