23 #include "signal-common.h"
32     env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;  in target_cpu_init()
33     env->hflags |= HF_PE_MASK | HF_CPL_MASK;  in target_cpu_init()
34     if (env->features[FEAT_1_EDX] & CPUID_SSE) {  in target_cpu_init()
35         env->cr[4] |= CR4_OSFXSR_MASK;  in target_cpu_init()
36         env->hflags |= HF_OSFXSR_MASK;  in target_cpu_init()
40     if (!(env->features[FEAT_8000_0001_EDX] & CPUID_EXT2_LM)) {  in target_cpu_init()
44     env->cr[4] |= CR4_PAE_MASK;  in target_cpu_init()
45     env->efer |= MSR_EFER_LMA | MSR_EFER_LME;  in target_cpu_init()
46     env->hflags |= HF_LMA_MASK;  in target_cpu_init()
48     /* flags setup : we activate the IRQs by default as in user mode */  in target_cpu_init()
49     env->eflags |= IF_MASK;  in target_cpu_init()
51     /* register setup */  in target_cpu_init()
52     env->regs[R_EAX] = regs->rax;  in target_cpu_init()
53     env->regs[R_EBX] = regs->rbx;  in target_cpu_init()
54     env->regs[R_ECX] = regs->rcx;  in target_cpu_init()
55     env->regs[R_EDX] = regs->rdx;  in target_cpu_init()
56     env->regs[R_ESI] = regs->rsi;  in target_cpu_init()
57     env->regs[R_EDI] = regs->rdi;  in target_cpu_init()
58     env->regs[R_EBP] = regs->rbp;  in target_cpu_init()
59     env->regs[R_ESP] = regs->rsp;  in target_cpu_init()
60     env->eip = regs->rip;  in target_cpu_init()
62     /* interrupt setup */  in target_cpu_init()
63     env->idt.limit = 511;  in target_cpu_init()
65     env->idt.base = target_mmap(0, sizeof(uint64_t) * (env->idt.limit + 1),  in target_cpu_init()
66         PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);  in target_cpu_init()
67     bsd_x86_64_set_idt_base(env->idt.base);  in target_cpu_init()
90     /* segment setup */  in target_cpu_init()
91     env->gdt.base = target_mmap(0, sizeof(uint64_t) * TARGET_GDT_ENTRIES,  in target_cpu_init()
92             PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);  in target_cpu_init()
93     env->gdt.limit = sizeof(uint64_t) * TARGET_GDT_ENTRIES - 1;  in target_cpu_init()
94     gdt_table = g2h_untagged(env->gdt.base);  in target_cpu_init()
115     CPUState *cs = env_cpu(env);  in target_cpu_loop()  local
121         cpu_exec_start(cs);  in target_cpu_loop()
122         trapnr = cpu_exec(cs);  in target_cpu_loop()
123         cpu_exec_end(cs);  in target_cpu_loop()
124         process_queued_cpu_work(cs);  in target_cpu_loop()
129             env->regs[R_EAX] = do_freebsd_syscall(env,  in target_cpu_loop()
130                                                   env->regs[R_EAX],  in target_cpu_loop()
131                                                   env->regs[R_EDI],  in target_cpu_loop()
132                                                   env->regs[R_ESI],  in target_cpu_loop()
133                                                   env->regs[R_EDX],  in target_cpu_loop()
134                                                   env->regs[R_ECX],  in target_cpu_loop()
135                                                   env->regs[8],  in target_cpu_loop()
136                                                   env->regs[9], 0, 0);  in target_cpu_loop()
137             env->eip = env->exception_next_eip;  in target_cpu_loop()
138             if (((abi_ulong)env->regs[R_EAX]) >= (abi_ulong)(-515)) {  in target_cpu_loop()
139                 env->regs[R_EAX] = -env->regs[R_EAX];  in target_cpu_loop()
140                 env->eflags |= CC_C;  in target_cpu_loop()
142                 env->eflags &= ~CC_C;  in target_cpu_loop()
151             cpu_exec_step_atomic(cs);  in target_cpu_loop()
155             pc = env->segs[R_CS].base + env->eip;  in target_cpu_loop()
156             fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - "  in target_cpu_loop()
167         env->regs[R_ESP] = newsp;  in target_cpu_clone_regs()
169     env->regs[R_EAX] = 0;  in target_cpu_clone_regs()