diff options
Diffstat (limited to 'qemu/target-moxie')
| -rw-r--r-- | qemu/target-moxie/Makefile.objs | 2 | ||||
| -rw-r--r-- | qemu/target-moxie/cpu.c | 192 | ||||
| -rw-r--r-- | qemu/target-moxie/cpu.h | 145 | ||||
| -rw-r--r-- | qemu/target-moxie/helper.c | 162 | ||||
| -rw-r--r-- | qemu/target-moxie/helper.h | 5 | ||||
| -rw-r--r-- | qemu/target-moxie/machine.c | 19 | ||||
| -rw-r--r-- | qemu/target-moxie/machine.h | 1 | ||||
| -rw-r--r-- | qemu/target-moxie/mmu.c | 33 | ||||
| -rw-r--r-- | qemu/target-moxie/mmu.h | 19 | ||||
| -rw-r--r-- | qemu/target-moxie/translate.c | 898 |
10 files changed, 0 insertions, 1476 deletions
diff --git a/qemu/target-moxie/Makefile.objs b/qemu/target-moxie/Makefile.objs deleted file mode 100644 index 6381d4d63..000000000 --- a/qemu/target-moxie/Makefile.objs +++ /dev/null @@ -1,2 +0,0 @@ -obj-y += translate.o helper.o machine.o cpu.o machine.o -obj-$(CONFIG_SOFTMMU) += mmu.o diff --git a/qemu/target-moxie/cpu.c b/qemu/target-moxie/cpu.c deleted file mode 100644 index b4ee84e90..000000000 --- a/qemu/target-moxie/cpu.c +++ /dev/null @@ -1,192 +0,0 @@ -/* - * QEMU Moxie CPU - * - * Copyright (c) 2013 Anthony Green - * - * 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 2.1 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 General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include "qemu/osdep.h" -#include "qapi/error.h" -#include "cpu.h" -#include "qemu-common.h" -#include "migration/vmstate.h" -#include "machine.h" - -static void moxie_cpu_set_pc(CPUState *cs, vaddr value) -{ - MoxieCPU *cpu = MOXIE_CPU(cs); - - cpu->env.pc = value; -} - -static bool moxie_cpu_has_work(CPUState *cs) -{ - return cs->interrupt_request & CPU_INTERRUPT_HARD; -} - -static void moxie_cpu_reset(CPUState *s) -{ - MoxieCPU *cpu = MOXIE_CPU(s); - MoxieCPUClass *mcc = MOXIE_CPU_GET_CLASS(cpu); - CPUMoxieState *env = &cpu->env; - - mcc->parent_reset(s); - - memset(env, 0, sizeof(CPUMoxieState)); - env->pc = 0x1000; - - tlb_flush(s, 1); -} - -static void moxie_cpu_disas_set_info(CPUState *cpu, disassemble_info *info) -{ - info->mach = bfd_arch_moxie; - info->print_insn = print_insn_moxie; -} - -static void moxie_cpu_realizefn(DeviceState *dev, Error **errp) -{ - CPUState *cs = CPU(dev); - MoxieCPUClass *mcc = MOXIE_CPU_GET_CLASS(dev); - - qemu_init_vcpu(cs); - cpu_reset(cs); - - mcc->parent_realize(dev, errp); -} - -static void moxie_cpu_initfn(Object *obj) -{ - CPUState *cs = CPU(obj); - MoxieCPU *cpu = MOXIE_CPU(obj); - static int inited; - - cs->env_ptr = &cpu->env; - cpu_exec_init(cs, &error_abort); - - if (tcg_enabled() && !inited) { - inited = 1; - moxie_translate_init(); - } -} - -static ObjectClass *moxie_cpu_class_by_name(const char *cpu_model) -{ - ObjectClass *oc; - - if (cpu_model == NULL) { - return NULL; - } - - oc = object_class_by_name(cpu_model); - if (oc != NULL && (!object_class_dynamic_cast(oc, TYPE_MOXIE_CPU) || - object_class_is_abstract(oc))) { - return NULL; - } - return oc; -} - -static void moxie_cpu_class_init(ObjectClass *oc, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(oc); - CPUClass *cc = CPU_CLASS(oc); - MoxieCPUClass *mcc = MOXIE_CPU_CLASS(oc); - - mcc->parent_realize = dc->realize; - dc->realize = moxie_cpu_realizefn; - - mcc->parent_reset = cc->reset; - cc->reset = moxie_cpu_reset; - - cc->class_by_name = moxie_cpu_class_by_name; - - cc->has_work = moxie_cpu_has_work; - cc->do_interrupt = moxie_cpu_do_interrupt; - cc->dump_state = moxie_cpu_dump_state; - cc->set_pc = moxie_cpu_set_pc; -#ifdef CONFIG_USER_ONLY - cc->handle_mmu_fault = moxie_cpu_handle_mmu_fault; -#else - cc->get_phys_page_debug = moxie_cpu_get_phys_page_debug; - cc->vmsd = &vmstate_moxie_cpu; -#endif - cc->disas_set_info = moxie_cpu_disas_set_info; - - /* - * Reason: moxie_cpu_initfn() calls cpu_exec_init(), which saves - * the object in cpus -> dangling pointer after final - * object_unref(). - */ - dc->cannot_destroy_with_object_finalize_yet = true; -} - -static void moxielite_initfn(Object *obj) -{ - /* Set cpu feature flags */ -} - -static void moxie_any_initfn(Object *obj) -{ - /* Set cpu feature flags */ -} - -typedef struct MoxieCPUInfo { - const char *name; - void (*initfn)(Object *obj); -} MoxieCPUInfo; - -static const MoxieCPUInfo moxie_cpus[] = { - { .name = "MoxieLite", .initfn = moxielite_initfn }, - { .name = "any", .initfn = moxie_any_initfn }, -}; - -MoxieCPU *cpu_moxie_init(const char *cpu_model) -{ - return MOXIE_CPU(cpu_generic_init(TYPE_MOXIE_CPU, cpu_model)); -} - -static void cpu_register(const MoxieCPUInfo *info) -{ - TypeInfo type_info = { - .parent = TYPE_MOXIE_CPU, - .instance_size = sizeof(MoxieCPU), - .instance_init = info->initfn, - .class_size = sizeof(MoxieCPUClass), - }; - - type_info.name = g_strdup_printf("%s-" TYPE_MOXIE_CPU, info->name); - type_register(&type_info); - g_free((void *)type_info.name); -} - -static const TypeInfo moxie_cpu_type_info = { - .name = TYPE_MOXIE_CPU, - .parent = TYPE_CPU, - .instance_size = sizeof(MoxieCPU), - .instance_init = moxie_cpu_initfn, - .class_size = sizeof(MoxieCPUClass), - .class_init = moxie_cpu_class_init, -}; - -static void moxie_cpu_register_types(void) -{ - int i; - type_register_static(&moxie_cpu_type_info); - for (i = 0; i < ARRAY_SIZE(moxie_cpus); i++) { - cpu_register(&moxie_cpus[i]); - } -} - -type_init(moxie_cpu_register_types) diff --git a/qemu/target-moxie/cpu.h b/qemu/target-moxie/cpu.h deleted file mode 100644 index 4ee207796..000000000 --- a/qemu/target-moxie/cpu.h +++ /dev/null @@ -1,145 +0,0 @@ -/* - * Moxie emulation - * - * Copyright (c) 2008, 2010, 2013 Anthony Green - * - * 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 General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ -#ifndef _CPU_MOXIE_H -#define _CPU_MOXIE_H - -#include "qemu-common.h" - -#define TARGET_LONG_BITS 32 - -#define CPUArchState struct CPUMoxieState - -#define MOXIE_EX_DIV0 0 -#define MOXIE_EX_BAD 1 -#define MOXIE_EX_IRQ 2 -#define MOXIE_EX_SWI 3 -#define MOXIE_EX_MMU_MISS 4 -#define MOXIE_EX_BREAK 16 - -#include "exec/cpu-defs.h" -#include "fpu/softfloat.h" - -#define TARGET_PAGE_BITS 12 /* 4k */ - -#define TARGET_PHYS_ADDR_SPACE_BITS 32 -#define TARGET_VIRT_ADDR_SPACE_BITS 32 - -#define NB_MMU_MODES 1 - -typedef struct CPUMoxieState { - - uint32_t flags; /* general execution flags */ - uint32_t gregs[16]; /* general registers */ - uint32_t sregs[256]; /* special registers */ - uint32_t pc; /* program counter */ - /* Instead of saving the cc value, we save the cmp arguments - and compute cc on demand. */ - uint32_t cc_a; /* reg a for condition code calculation */ - uint32_t cc_b; /* reg b for condition code calculation */ - - void *irq[8]; - - CPU_COMMON - -} CPUMoxieState; - -#include "qom/cpu.h" - -#define TYPE_MOXIE_CPU "moxie-cpu" - -#define MOXIE_CPU_CLASS(klass) \ - OBJECT_CLASS_CHECK(MoxieCPUClass, (klass), TYPE_MOXIE_CPU) -#define MOXIE_CPU(obj) \ - OBJECT_CHECK(MoxieCPU, (obj), TYPE_MOXIE_CPU) -#define MOXIE_CPU_GET_CLASS(obj) \ - OBJECT_GET_CLASS(MoxieCPUClass, (obj), TYPE_MOXIE_CPU) - -/** - * MoxieCPUClass: - * @parent_reset: The parent class' reset handler. - * - * A Moxie CPU model. - */ -typedef struct MoxieCPUClass { - /*< private >*/ - CPUClass parent_class; - /*< public >*/ - - DeviceRealize parent_realize; - void (*parent_reset)(CPUState *cpu); -} MoxieCPUClass; - -/** - * MoxieCPU: - * @env: #CPUMoxieState - * - * A Moxie CPU. - */ -typedef struct MoxieCPU { - /*< private >*/ - CPUState parent_obj; - /*< public >*/ - - CPUMoxieState env; -} MoxieCPU; - -static inline MoxieCPU *moxie_env_get_cpu(CPUMoxieState *env) -{ - return container_of(env, MoxieCPU, env); -} - -#define ENV_GET_CPU(e) CPU(moxie_env_get_cpu(e)) - -#define ENV_OFFSET offsetof(MoxieCPU, env) - -MoxieCPU *cpu_moxie_init(const char *cpu_model); -int cpu_moxie_exec(CPUState *cpu); -void moxie_cpu_do_interrupt(CPUState *cs); -void moxie_cpu_dump_state(CPUState *cpu, FILE *f, - fprintf_function cpu_fprintf, int flags); -hwaddr moxie_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr); -void moxie_translate_init(void); -int cpu_moxie_signal_handler(int host_signum, void *pinfo, - void *puc); - -#define cpu_init(cpu_model) CPU(cpu_moxie_init(cpu_model)) - -#define cpu_exec cpu_moxie_exec -#define cpu_signal_handler cpu_moxie_signal_handler - -static inline int cpu_mmu_index(CPUMoxieState *env, bool ifetch) -{ - return 0; -} - -#include "exec/cpu-all.h" -#include "exec/exec-all.h" - -static inline void cpu_get_tb_cpu_state(CPUMoxieState *env, target_ulong *pc, - target_ulong *cs_base, int *flags) -{ - *pc = env->pc; - *cs_base = 0; - *flags = 0; -} - -int moxie_cpu_handle_mmu_fault(CPUState *cpu, vaddr address, - int rw, int mmu_idx); - -#endif /* _CPU_MOXIE_H */ diff --git a/qemu/target-moxie/helper.c b/qemu/target-moxie/helper.c deleted file mode 100644 index d51e9b9cc..000000000 --- a/qemu/target-moxie/helper.c +++ /dev/null @@ -1,162 +0,0 @@ -/* - * Moxie helper routines. - * - * Copyright (c) 2008, 2009, 2010, 2013 Anthony Green - * - * 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 General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include "qemu/osdep.h" - -#include "cpu.h" -#include "mmu.h" -#include "exec/exec-all.h" -#include "exec/cpu_ldst.h" -#include "qemu/host-utils.h" -#include "exec/helper-proto.h" - -/* Try to fill the TLB and return an exception if error. If retaddr is - NULL, it means that the function was called in C code (i.e. not - from generated code or from helper.c) */ -void tlb_fill(CPUState *cs, target_ulong addr, int is_write, int mmu_idx, - uintptr_t retaddr) -{ - int ret; - - ret = moxie_cpu_handle_mmu_fault(cs, addr, is_write, mmu_idx); - if (unlikely(ret)) { - if (retaddr) { - cpu_restore_state(cs, retaddr); - } - } - cpu_loop_exit(cs); -} - -void helper_raise_exception(CPUMoxieState *env, int ex) -{ - CPUState *cs = CPU(moxie_env_get_cpu(env)); - - cs->exception_index = ex; - /* Stash the exception type. */ - env->sregs[2] = ex; - /* Stash the address where the exception occurred. */ - cpu_restore_state(cs, GETPC()); - env->sregs[5] = env->pc; - /* Jump to the exception handline routine. */ - env->pc = env->sregs[1]; - cpu_loop_exit(cs); -} - -uint32_t helper_div(CPUMoxieState *env, uint32_t a, uint32_t b) -{ - if (unlikely(b == 0)) { - helper_raise_exception(env, MOXIE_EX_DIV0); - return 0; - } - if (unlikely(a == INT_MIN && b == -1)) { - return INT_MIN; - } - - return (int32_t)a / (int32_t)b; -} - -uint32_t helper_udiv(CPUMoxieState *env, uint32_t a, uint32_t b) -{ - if (unlikely(b == 0)) { - helper_raise_exception(env, MOXIE_EX_DIV0); - return 0; - } - return a / b; -} - -void helper_debug(CPUMoxieState *env) -{ - CPUState *cs = CPU(moxie_env_get_cpu(env)); - - cs->exception_index = EXCP_DEBUG; - cpu_loop_exit(cs); -} - -#if defined(CONFIG_USER_ONLY) - -void moxie_cpu_do_interrupt(CPUState *cs) -{ - CPUState *cs = CPU(moxie_env_get_cpu(env)); - - cs->exception_index = -1; -} - -int moxie_cpu_handle_mmu_fault(CPUState *cs, vaddr address, - int rw, int mmu_idx) -{ - MoxieCPU *cpu = MOXIE_CPU(cs); - - cs->exception_index = 0xaa; - cpu->env.debug1 = address; - cpu_dump_state(cs, stderr, fprintf, 0); - return 1; -} - -#else /* !CONFIG_USER_ONLY */ - -int moxie_cpu_handle_mmu_fault(CPUState *cs, vaddr address, - int rw, int mmu_idx) -{ - MoxieCPU *cpu = MOXIE_CPU(cs); - CPUMoxieState *env = &cpu->env; - MoxieMMUResult res; - int prot, miss; - target_ulong phy; - int r = 1; - - address &= TARGET_PAGE_MASK; - prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC; - miss = moxie_mmu_translate(&res, env, address, rw, mmu_idx); - if (miss) { - /* handle the miss. */ - phy = 0; - cs->exception_index = MOXIE_EX_MMU_MISS; - } else { - phy = res.phy; - r = 0; - } - tlb_set_page(cs, address, phy, prot, mmu_idx, TARGET_PAGE_SIZE); - return r; -} - - -void moxie_cpu_do_interrupt(CPUState *cs) -{ - switch (cs->exception_index) { - case MOXIE_EX_BREAK: - break; - default: - break; - } -} - -hwaddr moxie_cpu_get_phys_page_debug(CPUState *cs, vaddr addr) -{ - MoxieCPU *cpu = MOXIE_CPU(cs); - uint32_t phy = addr; - MoxieMMUResult res; - int miss; - - miss = moxie_mmu_translate(&res, &cpu->env, addr, 0, 0); - if (!miss) { - phy = res.phy; - } - return phy; -} -#endif diff --git a/qemu/target-moxie/helper.h b/qemu/target-moxie/helper.h deleted file mode 100644 index d94ef7a17..000000000 --- a/qemu/target-moxie/helper.h +++ /dev/null @@ -1,5 +0,0 @@ -DEF_HELPER_2(raise_exception, void, env, int) -DEF_HELPER_1(debug, void, env) - -DEF_HELPER_FLAGS_3(div, TCG_CALL_NO_WG, i32, env, i32, i32) -DEF_HELPER_FLAGS_3(udiv, TCG_CALL_NO_WG, i32, env, i32, i32) diff --git a/qemu/target-moxie/machine.c b/qemu/target-moxie/machine.c deleted file mode 100644 index 912b79139..000000000 --- a/qemu/target-moxie/machine.c +++ /dev/null @@ -1,19 +0,0 @@ -#include "qemu/osdep.h" -#include "hw/hw.h" -#include "hw/boards.h" -#include "machine.h" - -const VMStateDescription vmstate_moxie_cpu = { - .name = "cpu", - .version_id = 1, - .minimum_version_id = 1, - .fields = (VMStateField[]) { - VMSTATE_UINT32(flags, CPUMoxieState), - VMSTATE_UINT32_ARRAY(gregs, CPUMoxieState, 16), - VMSTATE_UINT32_ARRAY(sregs, CPUMoxieState, 256), - VMSTATE_UINT32(pc, CPUMoxieState), - VMSTATE_UINT32(cc_a, CPUMoxieState), - VMSTATE_UINT32(cc_b, CPUMoxieState), - VMSTATE_END_OF_LIST() - } -}; diff --git a/qemu/target-moxie/machine.h b/qemu/target-moxie/machine.h deleted file mode 100644 index a1b72907a..000000000 --- a/qemu/target-moxie/machine.h +++ /dev/null @@ -1 +0,0 @@ -extern const VMStateDescription vmstate_moxie_cpu; diff --git a/qemu/target-moxie/mmu.c b/qemu/target-moxie/mmu.c deleted file mode 100644 index 9203330b3..000000000 --- a/qemu/target-moxie/mmu.c +++ /dev/null @@ -1,33 +0,0 @@ -/* - * Moxie mmu emulation. - * - * Copyright (c) 2008, 2013 Anthony Green - * - * 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 General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include "qemu/osdep.h" - -#include "cpu.h" -#include "mmu.h" -#include "exec/exec-all.h" - -int moxie_mmu_translate(MoxieMMUResult *res, - CPUMoxieState *env, uint32_t vaddr, - int rw, int mmu_idx) -{ - /* Perform no translation yet. */ - res->phy = vaddr; - return 0; -} diff --git a/qemu/target-moxie/mmu.h b/qemu/target-moxie/mmu.h deleted file mode 100644 index abc79297c..000000000 --- a/qemu/target-moxie/mmu.h +++ /dev/null @@ -1,19 +0,0 @@ -#define MOXIE_MMU_ERR_EXEC 0 -#define MOXIE_MMU_ERR_READ 1 -#define MOXIE_MMU_ERR_WRITE 2 -#define MOXIE_MMU_ERR_FLUSH 3 - -typedef struct { - uint32_t phy; - uint32_t pfn; - unsigned g:1; - unsigned v:1; - unsigned k:1; - unsigned w:1; - unsigned e:1; - int cause_op; -} MoxieMMUResult; - -int moxie_mmu_translate(MoxieMMUResult *res, - CPUMoxieState *env, uint32_t vaddr, - int rw, int mmu_idx); diff --git a/qemu/target-moxie/translate.c b/qemu/target-moxie/translate.c deleted file mode 100644 index a437e2ab6..000000000 --- a/qemu/target-moxie/translate.c +++ /dev/null @@ -1,898 +0,0 @@ -/* - * Moxie emulation for qemu: main translation routines. - * - * Copyright (c) 2009, 2013 Anthony Green - * - * 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 General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -/* For information on the Moxie architecture, see - * http://moxielogic.org/wiki - */ - -#include "qemu/osdep.h" - -#include "cpu.h" -#include "exec/exec-all.h" -#include "disas/disas.h" -#include "tcg-op.h" -#include "exec/cpu_ldst.h" - -#include "exec/helper-proto.h" -#include "exec/helper-gen.h" -#include "exec/log.h" - -/* This is the state at translation time. */ -typedef struct DisasContext { - struct TranslationBlock *tb; - target_ulong pc, saved_pc; - uint32_t opcode; - uint32_t fp_status; - /* Routine used to access memory */ - int memidx; - int bstate; - target_ulong btarget; - int singlestep_enabled; -} DisasContext; - -enum { - BS_NONE = 0, /* We go out of the TB without reaching a branch or an - * exception condition */ - BS_STOP = 1, /* We want to stop translation for any reason */ - BS_BRANCH = 2, /* We reached a branch condition */ - BS_EXCP = 3, /* We reached an exception condition */ -}; - -static TCGv cpu_pc; -static TCGv cpu_gregs[16]; -static TCGv_env cpu_env; -static TCGv cc_a, cc_b; - -#include "exec/gen-icount.h" - -#define REG(x) (cpu_gregs[x]) - -/* Extract the signed 10-bit offset from a 16-bit branch - instruction. */ -static int extract_branch_offset(int opcode) -{ - return (((signed short)((opcode & ((1 << 10) - 1)) << 6)) >> 6) << 1; -} - -void moxie_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf, - int flags) -{ - MoxieCPU *cpu = MOXIE_CPU(cs); - CPUMoxieState *env = &cpu->env; - int i; - cpu_fprintf(f, "pc=0x%08x\n", env->pc); - cpu_fprintf(f, "$fp=0x%08x $sp=0x%08x $r0=0x%08x $r1=0x%08x\n", - env->gregs[0], env->gregs[1], env->gregs[2], env->gregs[3]); - for (i = 4; i < 16; i += 4) { - cpu_fprintf(f, "$r%d=0x%08x $r%d=0x%08x $r%d=0x%08x $r%d=0x%08x\n", - i-2, env->gregs[i], i-1, env->gregs[i + 1], - i, env->gregs[i + 2], i+1, env->gregs[i + 3]); - } - for (i = 4; i < 16; i += 4) { - cpu_fprintf(f, "sr%d=0x%08x sr%d=0x%08x sr%d=0x%08x sr%d=0x%08x\n", - i-2, env->sregs[i], i-1, env->sregs[i + 1], - i, env->sregs[i + 2], i+1, env->sregs[i + 3]); - } -} - -void moxie_translate_init(void) -{ - int i; - static int done_init; - static const char * const gregnames[16] = { - "$fp", "$sp", "$r0", "$r1", - "$r2", "$r3", "$r4", "$r5", - "$r6", "$r7", "$r8", "$r9", - "$r10", "$r11", "$r12", "$r13" - }; - - if (done_init) { - return; - } - cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env"); - cpu_pc = tcg_global_mem_new_i32(cpu_env, - offsetof(CPUMoxieState, pc), "$pc"); - for (i = 0; i < 16; i++) - cpu_gregs[i] = tcg_global_mem_new_i32(cpu_env, - offsetof(CPUMoxieState, gregs[i]), - gregnames[i]); - - cc_a = tcg_global_mem_new_i32(cpu_env, - offsetof(CPUMoxieState, cc_a), "cc_a"); - cc_b = tcg_global_mem_new_i32(cpu_env, - offsetof(CPUMoxieState, cc_b), "cc_b"); - - done_init = 1; -} - -static inline void gen_goto_tb(CPUMoxieState *env, DisasContext *ctx, - int n, target_ulong dest) -{ - TranslationBlock *tb; - tb = ctx->tb; - - if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK) && - !ctx->singlestep_enabled) { - tcg_gen_goto_tb(n); - tcg_gen_movi_i32(cpu_pc, dest); - tcg_gen_exit_tb((uintptr_t)tb + n); - } else { - tcg_gen_movi_i32(cpu_pc, dest); - if (ctx->singlestep_enabled) { - gen_helper_debug(cpu_env); - } - tcg_gen_exit_tb(0); - } -} - -static int decode_opc(MoxieCPU *cpu, DisasContext *ctx) -{ - CPUMoxieState *env = &cpu->env; - - /* Local cache for the instruction opcode. */ - int opcode; - /* Set the default instruction length. */ - int length = 2; - - /* Examine the 16-bit opcode. */ - opcode = ctx->opcode; - - /* Decode instruction. */ - if (opcode & (1 << 15)) { - if (opcode & (1 << 14)) { - /* This is a Form 3 instruction. */ - int inst = (opcode >> 10 & 0xf); - -#define BRANCH(cond) \ - do { \ - TCGLabel *l1 = gen_new_label(); \ - tcg_gen_brcond_i32(cond, cc_a, cc_b, l1); \ - gen_goto_tb(env, ctx, 1, ctx->pc+2); \ - gen_set_label(l1); \ - gen_goto_tb(env, ctx, 0, extract_branch_offset(opcode) + ctx->pc+2); \ - ctx->bstate = BS_BRANCH; \ - } while (0) - - switch (inst) { - case 0x00: /* beq */ - BRANCH(TCG_COND_EQ); - break; - case 0x01: /* bne */ - BRANCH(TCG_COND_NE); - break; - case 0x02: /* blt */ - BRANCH(TCG_COND_LT); - break; - case 0x03: /* bgt */ - BRANCH(TCG_COND_GT); - break; - case 0x04: /* bltu */ - BRANCH(TCG_COND_LTU); - break; - case 0x05: /* bgtu */ - BRANCH(TCG_COND_GTU); - break; - case 0x06: /* bge */ - BRANCH(TCG_COND_GE); - break; - case 0x07: /* ble */ - BRANCH(TCG_COND_LE); - break; - case 0x08: /* bgeu */ - BRANCH(TCG_COND_GEU); - break; - case 0x09: /* bleu */ - BRANCH(TCG_COND_LEU); - break; - default: - { - TCGv temp = tcg_temp_new_i32(); - tcg_gen_movi_i32(cpu_pc, ctx->pc); - tcg_gen_movi_i32(temp, MOXIE_EX_BAD); - gen_helper_raise_exception(cpu_env, temp); - tcg_temp_free_i32(temp); - } - break; - } - } else { - /* This is a Form 2 instruction. */ - int inst = (opcode >> 12 & 0x3); - switch (inst) { - case 0x00: /* inc */ - { - int a = (opcode >> 8) & 0xf; - unsigned int v = (opcode & 0xff); - tcg_gen_addi_i32(REG(a), REG(a), v); - } - break; - case 0x01: /* dec */ - { - int a = (opcode >> 8) & 0xf; - unsigned int v = (opcode & 0xff); - tcg_gen_subi_i32(REG(a), REG(a), v); - } - break; - case 0x02: /* gsr */ - { - int a = (opcode >> 8) & 0xf; - unsigned v = (opcode & 0xff); - tcg_gen_ld_i32(REG(a), cpu_env, - offsetof(CPUMoxieState, sregs[v])); - } - break; - case 0x03: /* ssr */ - { - int a = (opcode >> 8) & 0xf; - unsigned v = (opcode & 0xff); - tcg_gen_st_i32(REG(a), cpu_env, - offsetof(CPUMoxieState, sregs[v])); - } - break; - default: - { - TCGv temp = tcg_temp_new_i32(); - tcg_gen_movi_i32(cpu_pc, ctx->pc); - tcg_gen_movi_i32(temp, MOXIE_EX_BAD); - gen_helper_raise_exception(cpu_env, temp); - tcg_temp_free_i32(temp); - } - break; - } - } - } else { - /* This is a Form 1 instruction. */ - int inst = opcode >> 8; - switch (inst) { - case 0x00: /* nop */ - break; - case 0x01: /* ldi.l (immediate) */ - { - int reg = (opcode >> 4) & 0xf; - int val = cpu_ldl_code(env, ctx->pc+2); - tcg_gen_movi_i32(REG(reg), val); - length = 6; - } - break; - case 0x02: /* mov (register-to-register) */ - { - int dest = (opcode >> 4) & 0xf; - int src = opcode & 0xf; - tcg_gen_mov_i32(REG(dest), REG(src)); - } - break; - case 0x03: /* jsra */ - { - TCGv t1 = tcg_temp_new_i32(); - TCGv t2 = tcg_temp_new_i32(); - - tcg_gen_movi_i32(t1, ctx->pc + 6); - - /* Make space for the static chain and return address. */ - tcg_gen_subi_i32(t2, REG(1), 8); - tcg_gen_mov_i32(REG(1), t2); - tcg_gen_qemu_st32(t1, REG(1), ctx->memidx); - - /* Push the current frame pointer. */ - tcg_gen_subi_i32(t2, REG(1), 4); - tcg_gen_mov_i32(REG(1), t2); - tcg_gen_qemu_st32(REG(0), REG(1), ctx->memidx); - - /* Set the pc and $fp. */ - tcg_gen_mov_i32(REG(0), REG(1)); - - gen_goto_tb(env, ctx, 0, cpu_ldl_code(env, ctx->pc+2)); - - tcg_temp_free_i32(t1); - tcg_temp_free_i32(t2); - - ctx->bstate = BS_BRANCH; - length = 6; - } - break; - case 0x04: /* ret */ - { - TCGv t1 = tcg_temp_new_i32(); - - /* The new $sp is the old $fp. */ - tcg_gen_mov_i32(REG(1), REG(0)); - - /* Pop the frame pointer. */ - tcg_gen_qemu_ld32u(REG(0), REG(1), ctx->memidx); - tcg_gen_addi_i32(t1, REG(1), 4); - tcg_gen_mov_i32(REG(1), t1); - - - /* Pop the return address and skip over the static chain - slot. */ - tcg_gen_qemu_ld32u(cpu_pc, REG(1), ctx->memidx); - tcg_gen_addi_i32(t1, REG(1), 8); - tcg_gen_mov_i32(REG(1), t1); - - tcg_temp_free_i32(t1); - - /* Jump... */ - tcg_gen_exit_tb(0); - - ctx->bstate = BS_BRANCH; - } - break; - case 0x05: /* add.l */ - { - int a = (opcode >> 4) & 0xf; - int b = opcode & 0xf; - - tcg_gen_add_i32(REG(a), REG(a), REG(b)); - } - break; - case 0x06: /* push */ - { - int a = (opcode >> 4) & 0xf; - int b = opcode & 0xf; - - TCGv t1 = tcg_temp_new_i32(); - tcg_gen_subi_i32(t1, REG(a), 4); - tcg_gen_mov_i32(REG(a), t1); - tcg_gen_qemu_st32(REG(b), REG(a), ctx->memidx); - tcg_temp_free_i32(t1); - } - break; - case 0x07: /* pop */ - { - int a = (opcode >> 4) & 0xf; - int b = opcode & 0xf; - TCGv t1 = tcg_temp_new_i32(); - - tcg_gen_qemu_ld32u(REG(b), REG(a), ctx->memidx); - tcg_gen_addi_i32(t1, REG(a), 4); - tcg_gen_mov_i32(REG(a), t1); - tcg_temp_free_i32(t1); - } - break; - case 0x08: /* lda.l */ - { - int reg = (opcode >> 4) & 0xf; - - TCGv ptr = tcg_temp_new_i32(); - tcg_gen_movi_i32(ptr, cpu_ldl_code(env, ctx->pc+2)); - tcg_gen_qemu_ld32u(REG(reg), ptr, ctx->memidx); - tcg_temp_free_i32(ptr); - - length = 6; - } - break; - case 0x09: /* sta.l */ - { - int val = (opcode >> 4) & 0xf; - - TCGv ptr = tcg_temp_new_i32(); - tcg_gen_movi_i32(ptr, cpu_ldl_code(env, ctx->pc+2)); - tcg_gen_qemu_st32(REG(val), ptr, ctx->memidx); - tcg_temp_free_i32(ptr); - - length = 6; - } - break; - case 0x0a: /* ld.l (register indirect) */ - { - int src = opcode & 0xf; - int dest = (opcode >> 4) & 0xf; - - tcg_gen_qemu_ld32u(REG(dest), REG(src), ctx->memidx); - } - break; - case 0x0b: /* st.l */ - { - int dest = (opcode >> 4) & 0xf; - int val = opcode & 0xf; - - tcg_gen_qemu_st32(REG(val), REG(dest), ctx->memidx); - } - break; - case 0x0c: /* ldo.l */ - { - int a = (opcode >> 4) & 0xf; - int b = opcode & 0xf; - - TCGv t1 = tcg_temp_new_i32(); - TCGv t2 = tcg_temp_new_i32(); - tcg_gen_addi_i32(t1, REG(b), cpu_ldl_code(env, ctx->pc+2)); - tcg_gen_qemu_ld32u(t2, t1, ctx->memidx); - tcg_gen_mov_i32(REG(a), t2); - - tcg_temp_free_i32(t1); - tcg_temp_free_i32(t2); - - length = 6; - } - break; - case 0x0d: /* sto.l */ - { - int a = (opcode >> 4) & 0xf; - int b = opcode & 0xf; - - TCGv t1 = tcg_temp_new_i32(); - TCGv t2 = tcg_temp_new_i32(); - tcg_gen_addi_i32(t1, REG(a), cpu_ldl_code(env, ctx->pc+2)); - tcg_gen_qemu_st32(REG(b), t1, ctx->memidx); - - tcg_temp_free_i32(t1); - tcg_temp_free_i32(t2); - - length = 6; - } - break; - case 0x0e: /* cmp */ - { - int a = (opcode >> 4) & 0xf; - int b = opcode & 0xf; - - tcg_gen_mov_i32(cc_a, REG(a)); - tcg_gen_mov_i32(cc_b, REG(b)); - } - break; - case 0x19: /* jsr */ - { - int fnreg = (opcode >> 4) & 0xf; - - /* Load the stack pointer into T0. */ - TCGv t1 = tcg_temp_new_i32(); - TCGv t2 = tcg_temp_new_i32(); - - tcg_gen_movi_i32(t1, ctx->pc+2); - - /* Make space for the static chain and return address. */ - tcg_gen_subi_i32(t2, REG(1), 8); - tcg_gen_mov_i32(REG(1), t2); - tcg_gen_qemu_st32(t1, REG(1), ctx->memidx); - - /* Push the current frame pointer. */ - tcg_gen_subi_i32(t2, REG(1), 4); - tcg_gen_mov_i32(REG(1), t2); - tcg_gen_qemu_st32(REG(0), REG(1), ctx->memidx); - - /* Set the pc and $fp. */ - tcg_gen_mov_i32(REG(0), REG(1)); - tcg_gen_mov_i32(cpu_pc, REG(fnreg)); - tcg_temp_free_i32(t1); - tcg_temp_free_i32(t2); - tcg_gen_exit_tb(0); - ctx->bstate = BS_BRANCH; - } - break; - case 0x1a: /* jmpa */ - { - tcg_gen_movi_i32(cpu_pc, cpu_ldl_code(env, ctx->pc+2)); - tcg_gen_exit_tb(0); - ctx->bstate = BS_BRANCH; - length = 6; - } - break; - case 0x1b: /* ldi.b (immediate) */ - { - int reg = (opcode >> 4) & 0xf; - int val = cpu_ldl_code(env, ctx->pc+2); - tcg_gen_movi_i32(REG(reg), val); - length = 6; - } - break; - case 0x1c: /* ld.b (register indirect) */ - { - int src = opcode & 0xf; - int dest = (opcode >> 4) & 0xf; - - tcg_gen_qemu_ld8u(REG(dest), REG(src), ctx->memidx); - } - break; - case 0x1d: /* lda.b */ - { - int reg = (opcode >> 4) & 0xf; - - TCGv ptr = tcg_temp_new_i32(); - tcg_gen_movi_i32(ptr, cpu_ldl_code(env, ctx->pc+2)); - tcg_gen_qemu_ld8u(REG(reg), ptr, ctx->memidx); - tcg_temp_free_i32(ptr); - - length = 6; - } - break; - case 0x1e: /* st.b */ - { - int dest = (opcode >> 4) & 0xf; - int val = opcode & 0xf; - - tcg_gen_qemu_st8(REG(val), REG(dest), ctx->memidx); - } - break; - case 0x1f: /* sta.b */ - { - int val = (opcode >> 4) & 0xf; - - TCGv ptr = tcg_temp_new_i32(); - tcg_gen_movi_i32(ptr, cpu_ldl_code(env, ctx->pc+2)); - tcg_gen_qemu_st8(REG(val), ptr, ctx->memidx); - tcg_temp_free_i32(ptr); - - length = 6; - } - break; - case 0x20: /* ldi.s (immediate) */ - { - int reg = (opcode >> 4) & 0xf; - int val = cpu_ldl_code(env, ctx->pc+2); - tcg_gen_movi_i32(REG(reg), val); - length = 6; - } - break; - case 0x21: /* ld.s (register indirect) */ - { - int src = opcode & 0xf; - int dest = (opcode >> 4) & 0xf; - - tcg_gen_qemu_ld16u(REG(dest), REG(src), ctx->memidx); - } - break; - case 0x22: /* lda.s */ - { - int reg = (opcode >> 4) & 0xf; - - TCGv ptr = tcg_temp_new_i32(); - tcg_gen_movi_i32(ptr, cpu_ldl_code(env, ctx->pc+2)); - tcg_gen_qemu_ld16u(REG(reg), ptr, ctx->memidx); - tcg_temp_free_i32(ptr); - - length = 6; - } - break; - case 0x23: /* st.s */ - { - int dest = (opcode >> 4) & 0xf; - int val = opcode & 0xf; - - tcg_gen_qemu_st16(REG(val), REG(dest), ctx->memidx); - } - break; - case 0x24: /* sta.s */ - { - int val = (opcode >> 4) & 0xf; - - TCGv ptr = tcg_temp_new_i32(); - tcg_gen_movi_i32(ptr, cpu_ldl_code(env, ctx->pc+2)); - tcg_gen_qemu_st16(REG(val), ptr, ctx->memidx); - tcg_temp_free_i32(ptr); - - length = 6; - } - break; - case 0x25: /* jmp */ - { - int reg = (opcode >> 4) & 0xf; - tcg_gen_mov_i32(cpu_pc, REG(reg)); - tcg_gen_exit_tb(0); - ctx->bstate = BS_BRANCH; - } - break; - case 0x26: /* and */ - { - int a = (opcode >> 4) & 0xf; - int b = opcode & 0xf; - - tcg_gen_and_i32(REG(a), REG(a), REG(b)); - } - break; - case 0x27: /* lshr */ - { - int a = (opcode >> 4) & 0xf; - int b = opcode & 0xf; - - TCGv sv = tcg_temp_new_i32(); - tcg_gen_andi_i32(sv, REG(b), 0x1f); - tcg_gen_shr_i32(REG(a), REG(a), sv); - tcg_temp_free_i32(sv); - } - break; - case 0x28: /* ashl */ - { - int a = (opcode >> 4) & 0xf; - int b = opcode & 0xf; - - TCGv sv = tcg_temp_new_i32(); - tcg_gen_andi_i32(sv, REG(b), 0x1f); - tcg_gen_shl_i32(REG(a), REG(a), sv); - tcg_temp_free_i32(sv); - } - break; - case 0x29: /* sub.l */ - { - int a = (opcode >> 4) & 0xf; - int b = opcode & 0xf; - - tcg_gen_sub_i32(REG(a), REG(a), REG(b)); - } - break; - case 0x2a: /* neg */ - { - int a = (opcode >> 4) & 0xf; - int b = opcode & 0xf; - - tcg_gen_neg_i32(REG(a), REG(b)); - } - break; - case 0x2b: /* or */ - { - int a = (opcode >> 4) & 0xf; - int b = opcode & 0xf; - - tcg_gen_or_i32(REG(a), REG(a), REG(b)); - } - break; - case 0x2c: /* not */ - { - int a = (opcode >> 4) & 0xf; - int b = opcode & 0xf; - - tcg_gen_not_i32(REG(a), REG(b)); - } - break; - case 0x2d: /* ashr */ - { - int a = (opcode >> 4) & 0xf; - int b = opcode & 0xf; - - TCGv sv = tcg_temp_new_i32(); - tcg_gen_andi_i32(sv, REG(b), 0x1f); - tcg_gen_sar_i32(REG(a), REG(a), sv); - tcg_temp_free_i32(sv); - } - break; - case 0x2e: /* xor */ - { - int a = (opcode >> 4) & 0xf; - int b = opcode & 0xf; - - tcg_gen_xor_i32(REG(a), REG(a), REG(b)); - } - break; - case 0x2f: /* mul.l */ - { - int a = (opcode >> 4) & 0xf; - int b = opcode & 0xf; - - tcg_gen_mul_i32(REG(a), REG(a), REG(b)); - } - break; - case 0x30: /* swi */ - { - int val = cpu_ldl_code(env, ctx->pc+2); - - TCGv temp = tcg_temp_new_i32(); - tcg_gen_movi_i32(temp, val); - tcg_gen_st_i32(temp, cpu_env, - offsetof(CPUMoxieState, sregs[3])); - tcg_gen_movi_i32(cpu_pc, ctx->pc); - tcg_gen_movi_i32(temp, MOXIE_EX_SWI); - gen_helper_raise_exception(cpu_env, temp); - tcg_temp_free_i32(temp); - - length = 6; - } - break; - case 0x31: /* div.l */ - { - int a = (opcode >> 4) & 0xf; - int b = opcode & 0xf; - tcg_gen_movi_i32(cpu_pc, ctx->pc); - gen_helper_div(REG(a), cpu_env, REG(a), REG(b)); - } - break; - case 0x32: /* udiv.l */ - { - int a = (opcode >> 4) & 0xf; - int b = opcode & 0xf; - tcg_gen_movi_i32(cpu_pc, ctx->pc); - gen_helper_udiv(REG(a), cpu_env, REG(a), REG(b)); - } - break; - case 0x33: /* mod.l */ - { - int a = (opcode >> 4) & 0xf; - int b = opcode & 0xf; - tcg_gen_rem_i32(REG(a), REG(a), REG(b)); - } - break; - case 0x34: /* umod.l */ - { - int a = (opcode >> 4) & 0xf; - int b = opcode & 0xf; - tcg_gen_remu_i32(REG(a), REG(a), REG(b)); - } - break; - case 0x35: /* brk */ - { - TCGv temp = tcg_temp_new_i32(); - tcg_gen_movi_i32(cpu_pc, ctx->pc); - tcg_gen_movi_i32(temp, MOXIE_EX_BREAK); - gen_helper_raise_exception(cpu_env, temp); - tcg_temp_free_i32(temp); - } - break; - case 0x36: /* ldo.b */ - { - int a = (opcode >> 4) & 0xf; - int b = opcode & 0xf; - - TCGv t1 = tcg_temp_new_i32(); - TCGv t2 = tcg_temp_new_i32(); - tcg_gen_addi_i32(t1, REG(b), cpu_ldl_code(env, ctx->pc+2)); - tcg_gen_qemu_ld8u(t2, t1, ctx->memidx); - tcg_gen_mov_i32(REG(a), t2); - - tcg_temp_free_i32(t1); - tcg_temp_free_i32(t2); - - length = 6; - } - break; - case 0x37: /* sto.b */ - { - int a = (opcode >> 4) & 0xf; - int b = opcode & 0xf; - - TCGv t1 = tcg_temp_new_i32(); - TCGv t2 = tcg_temp_new_i32(); - tcg_gen_addi_i32(t1, REG(a), cpu_ldl_code(env, ctx->pc+2)); - tcg_gen_qemu_st8(REG(b), t1, ctx->memidx); - - tcg_temp_free_i32(t1); - tcg_temp_free_i32(t2); - - length = 6; - } - break; - case 0x38: /* ldo.s */ - { - int a = (opcode >> 4) & 0xf; - int b = opcode & 0xf; - - TCGv t1 = tcg_temp_new_i32(); - TCGv t2 = tcg_temp_new_i32(); - tcg_gen_addi_i32(t1, REG(b), cpu_ldl_code(env, ctx->pc+2)); - tcg_gen_qemu_ld16u(t2, t1, ctx->memidx); - tcg_gen_mov_i32(REG(a), t2); - - tcg_temp_free_i32(t1); - tcg_temp_free_i32(t2); - - length = 6; - } - break; - case 0x39: /* sto.s */ - { - int a = (opcode >> 4) & 0xf; - int b = opcode & 0xf; - - TCGv t1 = tcg_temp_new_i32(); - TCGv t2 = tcg_temp_new_i32(); - tcg_gen_addi_i32(t1, REG(a), cpu_ldl_code(env, ctx->pc+2)); - tcg_gen_qemu_st16(REG(b), t1, ctx->memidx); - tcg_temp_free_i32(t1); - tcg_temp_free_i32(t2); - - length = 6; - } - break; - default: - { - TCGv temp = tcg_temp_new_i32(); - tcg_gen_movi_i32(cpu_pc, ctx->pc); - tcg_gen_movi_i32(temp, MOXIE_EX_BAD); - gen_helper_raise_exception(cpu_env, temp); - tcg_temp_free_i32(temp); - } - break; - } - } - - return length; -} - -/* generate intermediate code for basic block 'tb'. */ -void gen_intermediate_code(CPUMoxieState *env, struct TranslationBlock *tb) -{ - MoxieCPU *cpu = moxie_env_get_cpu(env); - CPUState *cs = CPU(cpu); - DisasContext ctx; - target_ulong pc_start; - int num_insns, max_insns; - - pc_start = tb->pc; - ctx.pc = pc_start; - ctx.saved_pc = -1; - ctx.tb = tb; - ctx.memidx = 0; - ctx.singlestep_enabled = 0; - ctx.bstate = BS_NONE; - num_insns = 0; - max_insns = tb->cflags & CF_COUNT_MASK; - if (max_insns == 0) { - max_insns = CF_COUNT_MASK; - } - if (max_insns > TCG_MAX_INSNS) { - max_insns = TCG_MAX_INSNS; - } - - gen_tb_start(tb); - do { - tcg_gen_insn_start(ctx.pc); - num_insns++; - - if (unlikely(cpu_breakpoint_test(cs, ctx.pc, BP_ANY))) { - tcg_gen_movi_i32(cpu_pc, ctx.pc); - gen_helper_debug(cpu_env); - ctx.bstate = BS_EXCP; - /* The address covered by the breakpoint must be included in - [tb->pc, tb->pc + tb->size) in order to for it to be - properly cleared -- thus we increment the PC here so that - the logic setting tb->size below does the right thing. */ - ctx.pc += 2; - goto done_generating; - } - - ctx.opcode = cpu_lduw_code(env, ctx.pc); - ctx.pc += decode_opc(cpu, &ctx); - - if (num_insns >= max_insns) { - break; - } - if (cs->singlestep_enabled) { - break; - } - if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0) { - break; - } - } while (ctx.bstate == BS_NONE && !tcg_op_buf_full()); - - if (cs->singlestep_enabled) { - tcg_gen_movi_tl(cpu_pc, ctx.pc); - gen_helper_debug(cpu_env); - } else { - switch (ctx.bstate) { - case BS_STOP: - case BS_NONE: - gen_goto_tb(env, &ctx, 0, ctx.pc); - break; - case BS_EXCP: - tcg_gen_exit_tb(0); - break; - case BS_BRANCH: - default: - break; - } - } - done_generating: - gen_tb_end(tb, num_insns); - - tb->size = ctx.pc - pc_start; - tb->icount = num_insns; -} - -void restore_state_to_opc(CPUMoxieState *env, TranslationBlock *tb, - target_ulong *data) -{ - env->pc = data[0]; -} |