Exemplo n.º 1
0
static void goldfish_bus_write(void *opaque, target_phys_addr_t offset, uint32_t value)
{
    struct bus_state *s = (struct bus_state *)opaque;

    switch(offset) {
        case PDEV_BUS_OP:
            switch(value) {
                case PDEV_BUS_OP_INIT:
                    goldfish_bus_op_init(s);
                    break;
                default:
                    cpu_abort (cpu_single_env, "goldfish_bus_write: Bad PDEV_BUS_OP value %x\n", value);
            };
            break;
        case PDEV_BUS_GET_NAME:
            if(s->current) {
#ifdef TARGET_I386
                if(kvm_enabled())
                    cpu_synchronize_state(cpu_single_env, 0);
#endif
                cpu_memory_rw_debug(cpu_single_env, value, (void*)s->current->name, strlen(s->current->name), 1);
            }
            break;
        default:
            cpu_abort (cpu_single_env, "goldfish_bus_write: Bad offset %x\n", offset);
    }
}
Exemplo n.º 2
0
static uint64_t vmport_ioport_read(void *opaque, hwaddr addr,
                                   unsigned size)
{
    VMPortState *s = opaque;
    CPUState *cs = current_cpu;
    X86CPU *cpu = X86_CPU(cs);
    CPUX86State *env = &cpu->env;
    unsigned char command;
    uint32_t eax;

    cpu_synchronize_state(cs);

    eax = env->regs[R_EAX];
    if (eax != VMPORT_MAGIC) {
        return eax;
    }

    command = env->regs[R_ECX];
    trace_vmport_command(command);
    if (command >= VMPORT_ENTRIES || !s->func[command]) {
        qemu_log_mask(LOG_UNIMP, "vmport: unknown command %x\n", command);
        return eax;
    }

    return s->func[command](s->opaque[command], addr);
}
Exemplo n.º 3
0
static uint32_t nand_dev_write_file(nand_dev *dev, uint32_t data, uint64_t addr, uint32_t total_len)
{
    uint32_t len = total_len;
    size_t write_len = dev->erase_size;
    int ret;

    NAND_UPDATE_WRITE_THRESHOLD(total_len);

    do_lseek(dev->fd, addr, SEEK_SET);
    while(len > 0) {
        if(len < write_len)
            write_len = len;
#ifdef TARGET_I386
        if (kvm_enabled())
                cpu_synchronize_state(cpu_single_env, 0);
#endif
        cpu_memory_rw_debug(cpu_single_env, data, dev->data, write_len, 0);
        ret = do_write(dev->fd, dev->data, write_len);
        if(ret < write_len) {
            XLOG("nand_dev_write_file, write failed: %s\n", strerror(errno));
            break;
        }
        data += write_len;
        len -= write_len;
    }
    return total_len - len;
}
Exemplo n.º 4
0
static void spin_kick(void *data)
{
    SpinKick *kick = data;
    CPUState *cpu = CPU(kick->cpu);
    CPUPPCState *env = &kick->cpu->env;
    SpinInfo *curspin = kick->spin;
    hwaddr map_size = 64 * 1024 * 1024;
    hwaddr map_start;

    cpu_synchronize_state(cpu);
    stl_p(&curspin->pir, env->spr[SPR_PIR]);
    env->nip = ldq_p(&curspin->addr) & (map_size - 1);
    env->gpr[3] = ldq_p(&curspin->r3);
    env->gpr[4] = 0;
    env->gpr[5] = 0;
    env->gpr[6] = 0;
    env->gpr[7] = map_size;
    env->gpr[8] = 0;
    env->gpr[9] = 0;

    map_start = ldq_p(&curspin->addr) & ~(map_size - 1);
    mmubooke_create_initial_mapping(env, 0, map_start, map_size);

    cpu->halted = 0;
    env->exception_index = -1;
    cpu->stopped = false;
    qemu_cpu_kick(cpu);
}
Exemplo n.º 5
0
static uint32_t nand_dev_read_file(nand_dev *dev, uint32_t data, uint64_t addr, uint32_t total_len)
{
    uint32_t len = total_len;
    size_t read_len = dev->erase_size;
    int eof = 0;

    NAND_UPDATE_READ_THRESHOLD(total_len);

    do_lseek(dev->fd, addr, SEEK_SET);
    while(len > 0) {
        if(read_len < dev->erase_size) {
            memset(dev->data, 0xff, dev->erase_size);
            read_len = dev->erase_size;
            eof = 1;
        }
        if(len < read_len)
            read_len = len;
        if(!eof) {
            read_len = do_read(dev->fd, dev->data, read_len);
        }
#ifdef TARGET_I386
        if (kvm_enabled())
            cpu_synchronize_state(cpu_single_env, 0);
#endif
        cpu_memory_rw_debug(cpu_single_env, data, dev->data, read_len, 1);
        data += read_len;
        len -= read_len;
    }
    return total_len;
}
Exemplo n.º 6
0
Arquivo: gdbstub.c Projeto: Blub/qemu
static void gdb_set_cpu_pc(GDBState *s, target_ulong pc)
{
    CPUState *cpu = s->c_cpu;

    cpu_synchronize_state(cpu);
    cpu_set_pc(cpu, pc);
}
Exemplo n.º 7
0
static uint32_t vmport_ioport_read(void *opaque, uint32_t addr)
{
    VMPortState *s = opaque;
    CPUX86State *env = cpu_single_env;
    unsigned char command;
    uint32_t eax;

    cpu_synchronize_state(env);

    eax = env->regs[R_EAX];
    if (eax != VMPORT_MAGIC)
        return eax;

    command = env->regs[R_ECX];
    if (command >= VMPORT_ENTRIES)
        return eax;
    if (!s->func[command])
    {
#ifdef VMPORT_DEBUG
        fprintf(stderr, "vmport: unknown command %x\n", command);
#endif
        return eax;
    }

    return s->func[command](s->opaque[command], addr);
}
Exemplo n.º 8
0
void ppc_set_compat(PowerPCCPU *cpu, uint32_t compat_pvr, Error **errp)
{
    const CompatInfo *compat = compat_by_pvr(compat_pvr);
    CPUPPCState *env = &cpu->env;
    PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu);
    uint64_t pcr;

    if (!compat_pvr) {
        pcr = 0;
    } else if (!compat) {
        error_setg(errp, "Unknown compatibility PVR 0x%08"PRIx32, compat_pvr);
        return;
    } else if (!ppc_check_compat(cpu, compat_pvr, 0, 0)) {
        error_setg(errp, "Compatibility PVR 0x%08"PRIx32" not valid for CPU",
                   compat_pvr);
        return;
    } else {
        pcr = compat->pcr;
    }

    cpu_synchronize_state(CPU(cpu));

    cpu->compat_pvr = compat_pvr;
    env->spr[SPR_PCR] = pcr & pcc->pcr_mask;

    if (kvm_enabled()) {
        int ret = kvmppc_set_compat(cpu, cpu->compat_pvr);
        if (ret < 0) {
            error_setg_errno(errp, -ret,
                             "Unable to set CPU compatibility mode in KVM");
        }
    }
}
Exemplo n.º 9
0
void cpu_synchronize_all_states(void)
{
    CPUArchState *cpu;

    for (cpu = first_cpu; cpu; cpu = cpu->next_cpu) {
        cpu_synchronize_state(cpu);
    }
}
Exemplo n.º 10
0
CpuInfoList *qmp_query_cpus(Error **errp)
{
    CpuInfoList *head = NULL, *cur_item = NULL;
    CPUState *cpu;

    for (cpu = first_cpu; cpu != NULL; cpu = cpu->next_cpu) {
        CpuInfoList *info;
#if defined(TARGET_I386)
        X86CPU *x86_cpu = X86_CPU(cpu);
        CPUX86State *env = &x86_cpu->env;
#elif defined(TARGET_PPC)
        PowerPCCPU *ppc_cpu = POWERPC_CPU(cpu);
        CPUPPCState *env = &ppc_cpu->env;
#elif defined(TARGET_SPARC)
        SPARCCPU *sparc_cpu = SPARC_CPU(cpu);
        CPUSPARCState *env = &sparc_cpu->env;
#elif defined(TARGET_MIPS)
        MIPSCPU *mips_cpu = MIPS_CPU(cpu);
        CPUMIPSState *env = &mips_cpu->env;
#endif

        cpu_synchronize_state(cpu);

        info = g_malloc0(sizeof(*info));
        info->value = g_malloc0(sizeof(*info->value));
        info->value->CPU = cpu->cpu_index;
        info->value->current = (cpu == first_cpu);
        info->value->halted = cpu->halted;
        info->value->thread_id = cpu->thread_id;
#if defined(TARGET_I386)
        info->value->has_pc = true;
        info->value->pc = env->eip + env->segs[R_CS].base;
#elif defined(TARGET_PPC)
        info->value->has_nip = true;
        info->value->nip = env->nip;
#elif defined(TARGET_SPARC)
        info->value->has_pc = true;
        info->value->pc = env->pc;
        info->value->has_npc = true;
        info->value->npc = env->npc;
#elif defined(TARGET_MIPS)
        info->value->has_PC = true;
        info->value->PC = env->active_tc.PC;
#endif

        /* XXX: waiting for the qapi to support GSList */
        if (!cur_item) {
            head = cur_item = info;
        } else {
            cur_item->next = info;
            cur_item = info;
        }
    }

    return head;
}
Exemplo n.º 11
0
Arquivo: cpu.c Projeto: B-Rich/qemu
void cpu_dump_state(CPUState *cpu, FILE *f, fprintf_function cpu_fprintf,
                    int flags)
{
    CPUClass *cc = CPU_GET_CLASS(cpu);

    if (cc->dump_state) {
        cpu_synchronize_state(cpu);
        cc->dump_state(cpu, f, cpu_fprintf, flags);
    }
}
Exemplo n.º 12
0
static void do_spr_sync(void *arg)
{
    struct SPRSyncState *s = arg;
    PowerPCCPU *cpu = POWERPC_CPU(s->cs);
    CPUPPCState *env = &cpu->env;

    cpu_synchronize_state(s->cs);
    env->spr[s->spr] &= ~s->mask;
    env->spr[s->spr] |= s->value;
}
Exemplo n.º 13
0
static void gdb_set_cpu_pc(GDBState *s, target_ulong pc)
{
    CPUState *cpu = s->c_cpu;
    CPUClass *cc = CPU_GET_CLASS(cpu);

    cpu_synchronize_state(cpu);
    if (cc->set_pc) {
        cc->set_pc(cpu, pc);
    }
}
Exemplo n.º 14
0
void cpu_dump_state(CPUState *env, FILE *f,
                    int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
                    int flags)
{
    int eflags, i, nb;
    char cc_op_name[32];
    static const char *seg_name[6] = { "ES", "CS", "SS", "DS", "FS", "GS" };

    cpu_synchronize_state(env);

    eflags = env->eflags;
#ifdef TARGET_X86_64
    if (env->hflags & HF_CS64_MASK) {
        cpu_fprintf(f,
                    "RAX=%016" PRIx64 " RBX=%016" PRIx64 " RCX=%016" PRIx64 " RDX=%016" PRIx64 "\n"
                    "RSI=%016" PRIx64 " RDI=%016" PRIx64 " RBP=%016" PRIx64 " RSP=%016" PRIx64 "\n"
                    "R8 =%016" PRIx64 " R9 =%016" PRIx64 " R10=%016" PRIx64 " R11=%016" PRIx64 "\n"
                    "R12=%016" PRIx64 " R13=%016" PRIx64 " R14=%016" PRIx64 " R15=%016" PRIx64 "\n"
                    "RIP=%016" PRIx64 " RFL=%08x [%c%c%c%c%c%c%c] CPL=%d II=%d A20=%d SMM=%d HLT=%d\n",
                    env->regs[R_EAX],
                    env->regs[R_EBX],
                    env->regs[R_ECX],
                    env->regs[R_EDX],
                    env->regs[R_ESI],
                    env->regs[R_EDI],
                    env->regs[R_EBP],
                    env->regs[R_ESP],
                    env->regs[8],
                    env->regs[9],
                    env->regs[10],
                    env->regs[11],
                    env->regs[12],
                    env->regs[13],
                    env->regs[14],
                    env->regs[15],
                    env->eip, eflags,
                    eflags & DF_MASK ? 'D' : '-',
                    eflags & CC_O ? 'O' : '-',
                    eflags & CC_S ? 'S' : '-',
                    eflags & CC_Z ? 'Z' : '-',
                    eflags & CC_A ? 'A' : '-',
                    eflags & CC_P ? 'P' : '-',
                    eflags & CC_C ? 'C' : '-',
                    env->hflags & HF_CPL_MASK,
                    (env->hflags >> HF_INHIBIT_IRQ_SHIFT) & 1,
                    (env->a20_mask >> 20) & 1,
                    (env->hflags >> HF_SMM_SHIFT) & 1,
                    env->halted);
    } else
Exemplo n.º 15
0
static void xscom_complete(CPUState *cs, uint64_t hmer_bits)
{
    /*
     * TODO: When the read/write comes from the monitor, NULL is
     * passed for the cpu, and no CPU completion is generated.
     */
    if (cs) {
        PowerPCCPU *cpu = POWERPC_CPU(cs);
        CPUPPCState *env = &cpu->env;

        /*
         * TODO: Need a CPU helper to set HMER, also handle generation
         * of HMIs
         */
        cpu_synchronize_state(cs);
        env->spr[SPR_HMER] |= hmer_bits;
    }
}
Exemplo n.º 16
0
CpuInfoList *qmp_query_cpus(Error **errp)
{
    CpuInfoList *head = NULL, *cur_item = NULL;
    CPUArchState *env;

    for (env = first_cpu; env != NULL; env = env->next_cpu) {
        CPUState *cpu = ENV_GET_CPU(env);
        CpuInfoList *info;

        cpu_synchronize_state(env);

        info = g_malloc0(sizeof(*info));
        info->value = g_malloc0(sizeof(*info->value));
        info->value->CPU = env->cpu_index;
        info->value->current = (env == first_cpu);
        info->value->halted = env->halted;
        info->value->thread_id = cpu->thread_id;
#if defined(TARGET_I386)
        info->value->has_pc = true;
        info->value->pc = env->eip + env->segs[R_CS].base;
#elif defined(TARGET_PPC)
        info->value->has_nip = true;
        info->value->nip = env->nip;
#elif defined(TARGET_SPARC)
        info->value->has_pc = true;
        info->value->pc = env->pc;
        info->value->has_npc = true;
        info->value->npc = env->npc;
#elif defined(TARGET_MIPS)
        info->value->has_PC = true;
        info->value->PC = env->active_tc.PC;
#endif

        /* XXX: waiting for the qapi to support GSList */
        if (!cur_item) {
            head = cur_item = info;
        } else {
            cur_item->next = info;
            cur_item = info;
        }
    }

    return head;
}
Exemplo n.º 17
0
static void mpc8544ds_init(ram_addr_t ram_size,
                         const char *boot_device,
                         const char *kernel_filename,
                         const char *kernel_cmdline,
                         const char *initrd_filename,
                         const char *cpu_model)
{
    PCIBus *pci_bus;
    CPUState *env;
    uint64_t elf_entry;
    uint64_t elf_lowaddr;
    target_phys_addr_t entry=0;
    target_phys_addr_t loadaddr=UIMAGE_LOAD_BASE;
    target_long kernel_size=0;
    target_ulong dt_base = 0;
    target_ulong initrd_base = 0;
    target_long initrd_size=0;
    int i=0;
    unsigned int pci_irq_nrs[4] = {1, 2, 3, 4};
    qemu_irq *irqs, *mpic, *pci_irqs;
    SerialState * serial[2];

    /* Setup CPU */
    env = cpu_ppc_init("e500v2_v30");
    if (!env) {
        fprintf(stderr, "Unable to initialize CPU!\n");
        exit(1);
    }

    /* Fixup Memory size on a alignment boundary */
    ram_size &= ~(RAM_SIZES_ALIGN - 1);

    /* Register Memory */
    cpu_register_physical_memory(0, ram_size, qemu_ram_alloc(NULL,
                                 "mpc8544ds.ram", ram_size));

    /* MPIC */
    irqs = qemu_mallocz(sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
    irqs[OPENPIC_OUTPUT_INT] = ((qemu_irq *)env->irq_inputs)[PPCE500_INPUT_INT];
    irqs[OPENPIC_OUTPUT_CINT] = ((qemu_irq *)env->irq_inputs)[PPCE500_INPUT_CINT];
    mpic = mpic_init(MPC8544_MPIC_REGS_BASE, 1, &irqs, NULL);

    /* Serial */
    if (serial_hds[0]) {
        serial[0] = serial_mm_init(MPC8544_SERIAL0_REGS_BASE,
                                   0, mpic[12+26], 399193,
                                   serial_hds[0], 1, 1);
    }

    if (serial_hds[1]) {
        serial[0] = serial_mm_init(MPC8544_SERIAL1_REGS_BASE,
                                   0, mpic[12+26], 399193,
                                   serial_hds[0], 1, 1);
    }

    /* PCI */
    pci_irqs = qemu_malloc(sizeof(qemu_irq) * 4);
    pci_irqs[0] = mpic[pci_irq_nrs[0]];
    pci_irqs[1] = mpic[pci_irq_nrs[1]];
    pci_irqs[2] = mpic[pci_irq_nrs[2]];
    pci_irqs[3] = mpic[pci_irq_nrs[3]];
    pci_bus = ppce500_pci_init(pci_irqs, MPC8544_PCI_REGS_BASE);
    if (!pci_bus)
        printf("couldn't create PCI controller!\n");

    isa_mmio_init(MPC8544_PCI_IO, MPC8544_PCI_IOLEN, 1);

    if (pci_bus) {
        /* Register network interfaces. */
        for (i = 0; i < nb_nics; i++) {
            pci_nic_init_nofail(&nd_table[i], "virtio", NULL);
        }
    }

    /* Load kernel. */
    if (kernel_filename) {
        kernel_size = load_uimage(kernel_filename, &entry, &loadaddr, NULL);
        if (kernel_size < 0) {
            kernel_size = load_elf(kernel_filename, NULL, NULL, &elf_entry,
                                   &elf_lowaddr, NULL, 1, ELF_MACHINE, 0);
            entry = elf_entry;
            loadaddr = elf_lowaddr;
        }
        /* XXX try again as binary */
        if (kernel_size < 0) {
            fprintf(stderr, "qemu: could not load kernel '%s'\n",
                    kernel_filename);
            exit(1);
        }
    }

    /* Load initrd. */
    if (initrd_filename) {
        initrd_base = (kernel_size + INITRD_LOAD_PAD) & ~INITRD_PAD_MASK;
        initrd_size = load_image_targphys(initrd_filename, initrd_base,
                                          ram_size - initrd_base);

        if (initrd_size < 0) {
            fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
                    initrd_filename);
            exit(1);
        }
    }

    /* If we're loading a kernel directly, we must load the device tree too. */
    if (kernel_filename) {
        dt_base = (kernel_size + DTC_LOAD_PAD) & ~DTC_PAD_MASK;
        if (mpc8544_load_device_tree(dt_base, ram_size,
                    initrd_base, initrd_size, kernel_cmdline) < 0) {
            fprintf(stderr, "couldn't load device tree\n");
            exit(1);
        }

        cpu_synchronize_state(env);

        /* Set initial guest state. */
        env->gpr[1] = (16<<20) - 8;
        env->gpr[3] = dt_base;
        env->nip = entry;
        /* XXX we currently depend on KVM to create some initial TLB entries. */
    }

    if (kvm_enabled())
        kvmppc_init();

    return;
}
Exemplo n.º 18
0
Arquivo: gdbstub.c Projeto: Blub/qemu
static int gdb_handle_packet(GDBState *s, const char *line_buf)
{
    CPUState *cpu;
    CPUClass *cc;
    const char *p;
    uint32_t thread;
    int ch, reg_size, type, res;
    char buf[MAX_PACKET_LENGTH];
    uint8_t mem_buf[MAX_PACKET_LENGTH];
    uint8_t *registers;
    target_ulong addr, len;

#ifdef DEBUG_GDB
    printf("command='%s'\n", line_buf);
#endif
    p = line_buf;
    ch = *p++;
    switch(ch) {
    case '?':
        /* TODO: Make this return the correct value for user-mode.  */
        snprintf(buf, sizeof(buf), "T%02xthread:%02x;", GDB_SIGNAL_TRAP,
                 cpu_index(s->c_cpu));
        put_packet(s, buf);
        /* Remove all the breakpoints when this query is issued,
         * because gdb is doing and initial connect and the state
         * should be cleaned up.
         */
        gdb_breakpoint_remove_all();
        break;
    case 'c':
        if (*p != '\0') {
            addr = strtoull(p, (char **)&p, 16);
            gdb_set_cpu_pc(s, addr);
        }
        s->signal = 0;
        gdb_continue(s);
        return RS_IDLE;
    case 'C':
        s->signal = gdb_signal_to_target (strtoul(p, (char **)&p, 16));
        if (s->signal == -1)
            s->signal = 0;
        gdb_continue(s);
        return RS_IDLE;
    case 'v':
        if (strncmp(p, "Cont", 4) == 0) {
            int res_signal, res_thread;

            p += 4;
            if (*p == '?') {
                put_packet(s, "vCont;c;C;s;S");
                break;
            }
            res = 0;
            res_signal = 0;
            res_thread = 0;
            while (*p) {
                int action, signal;

                if (*p++ != ';') {
                    res = 0;
                    break;
                }
                action = *p++;
                signal = 0;
                if (action == 'C' || action == 'S') {
                    signal = gdb_signal_to_target(strtoul(p, (char **)&p, 16));
                    if (signal == -1) {
                        signal = 0;
                    }
                } else if (action != 'c' && action != 's') {
                    res = 0;
                    break;
                }
                thread = 0;
                if (*p == ':') {
                    thread = strtoull(p+1, (char **)&p, 16);
                }
                action = tolower(action);
                if (res == 0 || (res == 'c' && action == 's')) {
                    res = action;
                    res_signal = signal;
                    res_thread = thread;
                }
            }
            if (res) {
                if (res_thread != -1 && res_thread != 0) {
                    cpu = find_cpu(res_thread);
                    if (cpu == NULL) {
                        put_packet(s, "E22");
                        break;
                    }
                    s->c_cpu = cpu;
                }
                if (res == 's') {
                    cpu_single_step(s->c_cpu, sstep_flags);
                }
                s->signal = res_signal;
                gdb_continue(s);
                return RS_IDLE;
            }
            break;
        } else {
            goto unknown_command;
        }
    case 'k':
        /* Kill the target */
        fprintf(stderr, "\nQEMU: Terminated via GDBstub\n");
        exit(0);
    case 'D':
        /* Detach packet */
        gdb_breakpoint_remove_all();
        gdb_syscall_mode = GDB_SYS_DISABLED;
        gdb_continue(s);
        put_packet(s, "OK");
        break;
    case 's':
        if (*p != '\0') {
            addr = strtoull(p, (char **)&p, 16);
            gdb_set_cpu_pc(s, addr);
        }
        cpu_single_step(s->c_cpu, sstep_flags);
        gdb_continue(s);
        return RS_IDLE;
    case 'F':
    {
        target_ulong ret;
        target_ulong err;

        ret = strtoull(p, (char **)&p, 16);
        if (*p == ',') {
            p++;
            err = strtoull(p, (char **)&p, 16);
        } else {
            err = 0;
        }
        if (*p == ',')
            p++;
        type = *p;
        if (s->current_syscall_cb) {
            s->current_syscall_cb(s->c_cpu, ret, err);
            s->current_syscall_cb = NULL;
        }
        if (type == 'C') {
            put_packet(s, "T02");
        } else {
            gdb_continue(s);
        }
    }
    break;
    case 'g':
        cpu_synchronize_state(s->g_cpu);
        len = 0;
        for (addr = 0; addr < s->g_cpu->gdb_num_g_regs; addr++) {
            reg_size = gdb_read_register(s->g_cpu, mem_buf + len, addr);
            len += reg_size;
        }
        memtohex(buf, mem_buf, len);
        put_packet(s, buf);
        break;
    case 'G':
        cpu_synchronize_state(s->g_cpu);
        registers = mem_buf;
        len = strlen(p) / 2;
        hextomem((uint8_t *)registers, p, len);
        for (addr = 0; addr < s->g_cpu->gdb_num_g_regs && len > 0; addr++) {
            reg_size = gdb_write_register(s->g_cpu, registers, addr);
            len -= reg_size;
            registers += reg_size;
        }
        put_packet(s, "OK");
        break;
    case 'm':
        addr = strtoull(p, (char **)&p, 16);
        if (*p == ',')
            p++;
        len = strtoull(p, NULL, 16);

        /* memtohex() doubles the required space */
        if (len > MAX_PACKET_LENGTH / 2) {
            put_packet (s, "E22");
            break;
        }

        if (target_memory_rw_debug(s->g_cpu, addr, mem_buf, len, false) != 0) {
            put_packet (s, "E14");
        } else {
            memtohex(buf, mem_buf, len);
            put_packet(s, buf);
        }
        break;
    case 'M':
        addr = strtoull(p, (char **)&p, 16);
        if (*p == ',')
            p++;
        len = strtoull(p, (char **)&p, 16);
        if (*p == ':')
            p++;

        /* hextomem() reads 2*len bytes */
        if (len > strlen(p) / 2) {
            put_packet (s, "E22");
            break;
        }
        hextomem(mem_buf, p, len);
        if (target_memory_rw_debug(s->g_cpu, addr, mem_buf, len,
                                   true) != 0) {
            put_packet(s, "E14");
        } else {
            put_packet(s, "OK");
        }
        break;
    case 'p':
        /* Older gdb are really dumb, and don't use 'g' if 'p' is avaialable.
           This works, but can be very slow.  Anything new enough to
           understand XML also knows how to use this properly.  */
        if (!gdb_has_xml)
            goto unknown_command;
        addr = strtoull(p, (char **)&p, 16);
        reg_size = gdb_read_register(s->g_cpu, mem_buf, addr);
        if (reg_size) {
            memtohex(buf, mem_buf, reg_size);
            put_packet(s, buf);
        } else {
            put_packet(s, "E14");
        }
        break;
    case 'P':
        if (!gdb_has_xml)
            goto unknown_command;
        addr = strtoull(p, (char **)&p, 16);
        if (*p == '=')
            p++;
        reg_size = strlen(p) / 2;
        hextomem(mem_buf, p, reg_size);
        gdb_write_register(s->g_cpu, mem_buf, addr);
        put_packet(s, "OK");
        break;
    case 'Z':
    case 'z':
        type = strtoul(p, (char **)&p, 16);
        if (*p == ',')
            p++;
        addr = strtoull(p, (char **)&p, 16);
        if (*p == ',')
            p++;
        len = strtoull(p, (char **)&p, 16);
        if (ch == 'Z')
            res = gdb_breakpoint_insert(addr, len, type);
        else
            res = gdb_breakpoint_remove(addr, len, type);
        if (res >= 0)
            put_packet(s, "OK");
        else if (res == -ENOSYS)
            put_packet(s, "");
        else
            put_packet(s, "E22");
        break;
    case 'H':
        type = *p++;
        thread = strtoull(p, (char **)&p, 16);
        if (thread == -1 || thread == 0) {
            put_packet(s, "OK");
            break;
        }
        cpu = find_cpu(thread);
        if (cpu == NULL) {
            put_packet(s, "E22");
            break;
        }
        switch (type) {
        case 'c':
            s->c_cpu = cpu;
            put_packet(s, "OK");
            break;
        case 'g':
            s->g_cpu = cpu;
            put_packet(s, "OK");
            break;
        default:
            put_packet(s, "E22");
            break;
        }
        break;
    case 'T':
        thread = strtoull(p, (char **)&p, 16);
        cpu = find_cpu(thread);

        if (cpu != NULL) {
            put_packet(s, "OK");
        } else {
            put_packet(s, "E22");
        }
        break;
    case 'q':
    case 'Q':
        /* parse any 'q' packets here */
        if (!strcmp(p,"qemu.sstepbits")) {
            /* Query Breakpoint bit definitions */
            snprintf(buf, sizeof(buf), "ENABLE=%x,NOIRQ=%x,NOTIMER=%x",
                     SSTEP_ENABLE,
                     SSTEP_NOIRQ,
                     SSTEP_NOTIMER);
            put_packet(s, buf);
            break;
        } else if (is_query_packet(p, "qemu.sstep", '=')) {
            /* Display or change the sstep_flags */
            p += 10;
            if (*p != '=') {
                /* Display current setting */
                snprintf(buf, sizeof(buf), "0x%x", sstep_flags);
                put_packet(s, buf);
                break;
            }
            p++;
            type = strtoul(p, (char **)&p, 16);
            sstep_flags = type;
            put_packet(s, "OK");
            break;
        } else if (strcmp(p,"C") == 0) {
            /* "Current thread" remains vague in the spec, so always return
             *  the first CPU (gdb returns the first thread). */
            put_packet(s, "QC1");
            break;
        } else if (strcmp(p,"fThreadInfo") == 0) {
            s->query_cpu = first_cpu;
            goto report_cpuinfo;
        } else if (strcmp(p,"sThreadInfo") == 0) {
report_cpuinfo:
            if (s->query_cpu) {
                snprintf(buf, sizeof(buf), "m%x", cpu_index(s->query_cpu));
                put_packet(s, buf);
                s->query_cpu = CPU_NEXT(s->query_cpu);
            } else
                put_packet(s, "l");
            break;
        } else if (strncmp(p,"ThreadExtraInfo,", 16) == 0) {
            thread = strtoull(p+16, (char **)&p, 16);
            cpu = find_cpu(thread);
            if (cpu != NULL) {
                cpu_synchronize_state(cpu);
                /* memtohex() doubles the required space */
                len = snprintf((char *)mem_buf, sizeof(buf) / 2,
                               "CPU#%d [%s]", cpu->cpu_index,
                               cpu->halted ? "halted " : "running");
                memtohex(buf, mem_buf, len);
                put_packet(s, buf);
            }
            break;
        }
#ifdef CONFIG_USER_ONLY
        else if (strcmp(p, "Offsets") == 0) {
            TaskState *ts = s->c_cpu->opaque;

            snprintf(buf, sizeof(buf),
                     "Text=" TARGET_ABI_FMT_lx ";Data=" TARGET_ABI_FMT_lx
                     ";Bss=" TARGET_ABI_FMT_lx,
                     ts->info->code_offset,
                     ts->info->data_offset,
                     ts->info->data_offset);
            put_packet(s, buf);
            break;
        }
#else /* !CONFIG_USER_ONLY */
        else if (strncmp(p, "Rcmd,", 5) == 0) {
            int len = strlen(p + 5);

            if ((len % 2) != 0) {
                put_packet(s, "E01");
                break;
            }
            len = len / 2;
            hextomem(mem_buf, p + 5, len);
            mem_buf[len++] = 0;
            qemu_chr_be_write(s->mon_chr, mem_buf, len);
            put_packet(s, "OK");
            break;
        }
#endif /* !CONFIG_USER_ONLY */
        if (is_query_packet(p, "Supported", ':')) {
            snprintf(buf, sizeof(buf), "PacketSize=%x", MAX_PACKET_LENGTH);
            cc = CPU_GET_CLASS(first_cpu);
            if (cc->gdb_core_xml_file != NULL) {
                pstrcat(buf, sizeof(buf), ";qXfer:features:read+");
            }
            put_packet(s, buf);
            break;
        }
        if (strncmp(p, "Xfer:features:read:", 19) == 0) {
            const char *xml;
            target_ulong total_len;

            cc = CPU_GET_CLASS(first_cpu);
            if (cc->gdb_core_xml_file == NULL) {
                goto unknown_command;
            }

            gdb_has_xml = true;
            p += 19;
            xml = get_feature_xml(p, &p, cc);
            if (!xml) {
                snprintf(buf, sizeof(buf), "E00");
                put_packet(s, buf);
                break;
            }

            if (*p == ':')
                p++;
            addr = strtoul(p, (char **)&p, 16);
            if (*p == ',')
                p++;
            len = strtoul(p, (char **)&p, 16);

            total_len = strlen(xml);
            if (addr > total_len) {
                snprintf(buf, sizeof(buf), "E00");
                put_packet(s, buf);
                break;
            }
            if (len > (MAX_PACKET_LENGTH - 5) / 2)
                len = (MAX_PACKET_LENGTH - 5) / 2;
            if (len < total_len - addr) {
                buf[0] = 'm';
                len = memtox(buf + 1, xml + addr, len);
            } else {
                buf[0] = 'l';
                len = memtox(buf + 1, xml + addr, total_len - addr);
            }
            put_packet_binary(s, buf, len + 1);
            break;
        }
        if (is_query_packet(p, "Attached", ':')) {
            put_packet(s, GDB_ATTACHED);
            break;
        }
        /* Unrecognised 'q' command.  */
        goto unknown_command;

    default:
unknown_command:
        /* put empty packet */
        buf[0] = '\0';
        put_packet(s, buf);
        break;
    }
    return RS_IDLE;
}
Exemplo n.º 19
0
void cpu_save(QEMUFile *f, void *opaque)
{
    CPUState *env = opaque;
    uint16_t fptag, fpus, fpuc, fpregs_format;
    uint32_t hflags;
    int32_t a20_mask;
    int i;

    cpu_synchronize_state(env, 0);

    for(i = 0; i < CPU_NB_REGS; i++)
        qemu_put_betls(f, &env->regs[i]);
    qemu_put_betls(f, &env->eip);
    qemu_put_betls(f, &env->eflags);
    hflags = env->hflags; 
    qemu_put_be32s(f, &hflags);

    
    fpuc = env->fpuc;
    fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
    fptag = 0;
    for(i = 0; i < 8; i++) {
        fptag |= ((!env->fptags[i]) << i);
    }

    qemu_put_be16s(f, &fpuc);
    qemu_put_be16s(f, &fpus);
    qemu_put_be16s(f, &fptag);

#ifdef USE_X86LDOUBLE
    fpregs_format = 0;
#else
    fpregs_format = 1;
#endif
    qemu_put_be16s(f, &fpregs_format);

    for(i = 0; i < 8; i++) {
#ifdef USE_X86LDOUBLE
        {
            uint64_t mant;
            uint16_t exp;
            cpu_get_fp80(&mant, &exp, env->fpregs[i].d);
            qemu_put_be64(f, mant);
            qemu_put_be16(f, exp);
        }
#else
        qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0));
#endif
    }

    for(i = 0; i < 6; i++)
        cpu_put_seg(f, &env->segs[i]);
    cpu_put_seg(f, &env->ldt);
    cpu_put_seg(f, &env->tr);
    cpu_put_seg(f, &env->gdt);
    cpu_put_seg(f, &env->idt);

    qemu_put_be32s(f, &env->sysenter_cs);
    qemu_put_betls(f, &env->sysenter_esp);
    qemu_put_betls(f, &env->sysenter_eip);

    qemu_put_betls(f, &env->cr[0]);
    qemu_put_betls(f, &env->cr[2]);
    qemu_put_betls(f, &env->cr[3]);
    qemu_put_betls(f, &env->cr[4]);

    for(i = 0; i < 8; i++)
        qemu_put_betls(f, &env->dr[i]);

    
    a20_mask = (int32_t) env->a20_mask;
    qemu_put_sbe32s(f, &a20_mask);

    
    qemu_put_be32s(f, &env->mxcsr);
    for(i = 0; i < CPU_NB_REGS; i++) {
        qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(0));
        qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(1));
    }

#ifdef TARGET_X86_64
    qemu_put_be64s(f, &env->efer);
    qemu_put_be64s(f, &env->star);
    qemu_put_be64s(f, &env->lstar);
    qemu_put_be64s(f, &env->cstar);
    qemu_put_be64s(f, &env->fmask);
    qemu_put_be64s(f, &env->kernelgsbase);
#endif
    qemu_put_be32s(f, &env->smbase);

    qemu_put_be64s(f, &env->pat);
    qemu_put_be32s(f, &env->hflags2);
    
    qemu_put_be64s(f, &env->vm_hsave);
    qemu_put_be64s(f, &env->vm_vmcb);
    qemu_put_be64s(f, &env->tsc_offset);
    qemu_put_be64s(f, &env->intercept);
    qemu_put_be16s(f, &env->intercept_cr_read);
    qemu_put_be16s(f, &env->intercept_cr_write);
    qemu_put_be16s(f, &env->intercept_dr_read);
    qemu_put_be16s(f, &env->intercept_dr_write);
    qemu_put_be32s(f, &env->intercept_exceptions);
    qemu_put_8s(f, &env->v_tpr);

    
    for(i = 0; i < 11; i++)
        qemu_put_be64s(f, &env->mtrr_fixed[i]);
    qemu_put_be64s(f, &env->mtrr_deftype);
    for(i = 0; i < 8; i++) {
        qemu_put_be64s(f, &env->mtrr_var[i].base);
        qemu_put_be64s(f, &env->mtrr_var[i].mask);
    }

    for (i = 0; i < sizeof(env->interrupt_bitmap)/8; i++) {
        qemu_put_be64s(f, &env->interrupt_bitmap[i]);
    }
    qemu_put_be64s(f, &env->tsc);
    qemu_put_be32s(f, &env->mp_state);

    
    qemu_put_be64s(f, &env->mcg_cap);
    if (env->mcg_cap) {
        qemu_put_be64s(f, &env->mcg_status);
        qemu_put_be64s(f, &env->mcg_ctl);
        for (i = 0; i < (env->mcg_cap & 0xff); i++) {
            qemu_put_be64s(f, &env->mce_banks[4*i]);
            qemu_put_be64s(f, &env->mce_banks[4*i + 1]);
            qemu_put_be64s(f, &env->mce_banks[4*i + 2]);
            qemu_put_be64s(f, &env->mce_banks[4*i + 3]);
        }
    }
}
Exemplo n.º 20
0
static
#endif
uint32_t nand_dev_do_cmd(nand_dev_controller_state *s, uint32_t cmd)
{
    uint32_t size;
    uint64_t addr;
    nand_dev *dev;

    if (cmd == NAND_CMD_WRITE_BATCH || cmd == NAND_CMD_READ_BATCH ||
        cmd == NAND_CMD_ERASE_BATCH) {
        struct batch_data bd;
        uint64_t bd_addr = ((uint64_t)s->batch_addr_high << 32) | s->batch_addr_low;

        cpu_physical_memory_read(bd_addr, (void*)&bd, sizeof(struct batch_data));
        s->dev = bd.dev;
        s->addr_low = bd.addr_low;
        s->addr_high = bd.addr_high;
        s->transfer_size = bd.transfer_size;
        s->data = bd.data;
    }
    addr = s->addr_low | ((uint64_t)s->addr_high << 32);
    size = s->transfer_size;
    if(s->dev >= nand_dev_count)
        return 0;
    dev = nand_devs + s->dev;

    switch(cmd) {
    case NAND_CMD_GET_DEV_NAME:
        if(size > dev->devname_len)
            size = dev->devname_len;
#ifdef TARGET_I386
        if (kvm_enabled())
                cpu_synchronize_state(cpu_single_env, 0);
#endif
        cpu_memory_rw_debug(cpu_single_env, s->data, (uint8_t*)dev->devname, size, 1);
        return size;
    case NAND_CMD_READ_BATCH:
    case NAND_CMD_READ:
        if(addr >= dev->max_size)
            return 0;
        if(size > dev->max_size - addr)
            size = dev->max_size - addr;
        if(dev->fd >= 0)
            return nand_dev_read_file(dev, s->data, addr, size);
#ifdef TARGET_I386
        if (kvm_enabled())
                cpu_synchronize_state(cpu_single_env, 0);
#endif
        cpu_memory_rw_debug(cpu_single_env,s->data, &dev->data[addr], size, 1);
        return size;
    case NAND_CMD_WRITE_BATCH:
    case NAND_CMD_WRITE:
        if(dev->flags & NAND_DEV_FLAG_READ_ONLY)
            return 0;
        if(addr >= dev->max_size)
            return 0;
        if(size > dev->max_size - addr)
            size = dev->max_size - addr;
        if(dev->fd >= 0)
            return nand_dev_write_file(dev, s->data, addr, size);
#ifdef TARGET_I386
        if (kvm_enabled())
                cpu_synchronize_state(cpu_single_env, 0);
#endif
        cpu_memory_rw_debug(cpu_single_env,s->data, &dev->data[addr], size, 0);
        return size;
    case NAND_CMD_ERASE_BATCH:
    case NAND_CMD_ERASE:
        if(dev->flags & NAND_DEV_FLAG_READ_ONLY)
            return 0;
        if(addr >= dev->max_size)
            return 0;
        if(size > dev->max_size - addr)
            size = dev->max_size - addr;
        if(dev->fd >= 0)
            return nand_dev_erase_file(dev, addr, size);
        memset(&dev->data[addr], 0xff, size);
        return size;
    case NAND_CMD_BLOCK_BAD_GET: // no bad block support
        return 0;
    case NAND_CMD_BLOCK_BAD_SET:
        if(dev->flags & NAND_DEV_FLAG_READ_ONLY)
            return 0;
        return 0;
    default:
        cpu_abort(cpu_single_env, "nand_dev_do_cmd: Bad command %x\n", cmd);
        return 0;
    }
}
Exemplo n.º 21
0
/* PC hardware initialisation */
static void s390_init(ram_addr_t ram_size,
                      const char *boot_device,
                      const char *kernel_filename,
                      const char *kernel_cmdline,
                      const char *initrd_filename,
                      const char *cpu_model)
{
    CPUState *env = NULL;
    ram_addr_t ram_addr;
    ram_addr_t kernel_size = 0;
    ram_addr_t initrd_offset;
    ram_addr_t initrd_size = 0;
    int i;

    /* XXX we only work on KVM for now */

    if (!kvm_enabled()) {
        fprintf(stderr, "The S390 target only works with KVM enabled\n");
        exit(1);
    }

    /* get a BUS */
    s390_bus = s390_virtio_bus_init(&ram_size);

    /* allocate RAM */
    ram_addr = qemu_ram_alloc(ram_size);
    cpu_register_physical_memory(0, ram_size, ram_addr);

    /* init CPUs */
    if (cpu_model == NULL) {
        cpu_model = "host";
    }

    ipi_states = qemu_malloc(sizeof(CPUState *) * smp_cpus);

    for (i = 0; i < smp_cpus; i++) {
        CPUState *tmp_env;

        tmp_env = cpu_init(cpu_model);
        if (!env) {
            env = tmp_env;
        }
        ipi_states[i] = tmp_env;
        tmp_env->halted = 1;
        tmp_env->exception_index = EXCP_HLT;
    }

    env->halted = 0;
    env->exception_index = 0;

    if (kernel_filename) {
        kernel_size = load_image(kernel_filename, qemu_get_ram_ptr(0));

        if (lduw_phys(KERN_IMAGE_START) != 0x0dd0) {
            fprintf(stderr, "Specified image is not an s390 boot image\n");
            exit(1);
        }

        cpu_synchronize_state(env);
        env->psw.addr = KERN_IMAGE_START;
        env->psw.mask = 0x0000000180000000ULL;
    }

    if (initrd_filename) {
        initrd_offset = INITRD_START;
        while (kernel_size + 0x100000 > initrd_offset) {
            initrd_offset += 0x100000;
        }
        initrd_size = load_image(initrd_filename, qemu_get_ram_ptr(initrd_offset));

        stq_phys(INITRD_PARM_START, initrd_offset);
        stq_phys(INITRD_PARM_SIZE, initrd_size);
    }

    if (kernel_cmdline) {
        cpu_physical_memory_rw(KERN_PARM_AREA, (uint8_t *)kernel_cmdline,
                               strlen(kernel_cmdline), 1);
    }

    /* Create VirtIO network adapters */
    for(i = 0; i < nb_nics; i++) {
        NICInfo *nd = &nd_table[i];
        DeviceState *dev;

        if (!nd->model) {
            nd->model = qemu_strdup("virtio");
        }

        if (strcmp(nd->model, "virtio")) {
            fprintf(stderr, "S390 only supports VirtIO nics\n");
            exit(1);
        }

        dev = qdev_create((BusState *)s390_bus, "virtio-net-s390");
        qdev_set_nic_properties(dev, nd);
        qdev_init_nofail(dev);
    }

    /* Create VirtIO disk drives */
    for(i = 0; i < MAX_BLK_DEVS; i++) {
        DriveInfo *dinfo;
        DeviceState *dev;

        dinfo = drive_get(IF_IDE, 0, i);
        if (!dinfo) {
            continue;
        }

        dev = qdev_create((BusState *)s390_bus, "virtio-blk-s390");
        qdev_prop_set_drive(dev, "drive", dinfo);
        qdev_init_nofail(dev);
    }
}
Exemplo n.º 22
0
/* PowerPC Mac99 hardware initialisation */
static void ppc_core99_init (ram_addr_t ram_size,
                             const char *boot_device,
                             const char *kernel_filename,
                             const char *kernel_cmdline,
                             const char *initrd_filename,
                             const char *cpu_model)
{
    CPUState *env = NULL, *envs[MAX_CPUS];
    char *filename;
    qemu_irq *pic, **openpic_irqs;
    int unin_memory;
    int linux_boot, i;
    ram_addr_t ram_offset, bios_offset, vga_bios_offset;
    uint32_t kernel_base, kernel_size, initrd_base, initrd_size;
    PCIBus *pci_bus;
    MacIONVRAMState *nvr;
    int nvram_mem_index;
    int vga_bios_size, bios_size;
    int pic_mem_index, dbdma_mem_index, cuda_mem_index, escc_mem_index;
    int ide_mem_index[3];
    int ppc_boot_device;
    DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
    void *fw_cfg;
    void *dbdma;
    uint8_t *vga_bios_ptr;
    int machine_arch;

    linux_boot = (kernel_filename != NULL);

    /* init CPUs */
    if (cpu_model == NULL)
#ifdef TARGET_PPC64
        cpu_model = "970fx";
#else
        cpu_model = "G4";
#endif
    for (i = 0; i < smp_cpus; i++) {
        env = cpu_init(cpu_model);
        if (!env) {
            fprintf(stderr, "Unable to find PowerPC CPU definition\n");
            exit(1);
        }
        /* Set time-base frequency to 100 Mhz */
        cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
#if 0
        env->osi_call = vga_osi_call;
#endif
        qemu_register_reset((QEMUResetHandler*)&cpu_reset, env);
        envs[i] = env;
    }

    /* Make sure all register sets take effect */
    cpu_synchronize_state(env);

    /* allocate RAM */
    ram_offset = qemu_ram_alloc(ram_size);
    cpu_register_physical_memory(0, ram_size, ram_offset);

    /* allocate and load BIOS */
    bios_offset = qemu_ram_alloc(BIOS_SIZE);
    if (bios_name == NULL)
        bios_name = PROM_FILENAME;
    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
    cpu_register_physical_memory(PROM_ADDR, BIOS_SIZE, bios_offset | IO_MEM_ROM);

    /* Load OpenBIOS (ELF) */
    if (filename) {
        bios_size = load_elf(filename, 0, NULL, NULL, NULL, 1, ELF_MACHINE, 0);

        qemu_free(filename);
    } else {
        bios_size = -1;
    }
    if (bios_size < 0 || bios_size > BIOS_SIZE) {
        hw_error("qemu: could not load PowerPC bios '%s'\n", bios_name);
        exit(1);
    }

    /* allocate and load VGA BIOS */
    vga_bios_offset = qemu_ram_alloc(VGA_BIOS_SIZE);
    vga_bios_ptr = qemu_get_ram_ptr(vga_bios_offset);
    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, VGABIOS_FILENAME);
    if (filename) {
        vga_bios_size = load_image(filename, vga_bios_ptr + 8);
        qemu_free(filename);
    } else {
        vga_bios_size = -1;
    }
    if (vga_bios_size < 0) {
        /* if no bios is present, we can still work */
        fprintf(stderr, "qemu: warning: could not load VGA bios '%s'\n",
                VGABIOS_FILENAME);
        vga_bios_size = 0;
    } else {
        /* set a specific header (XXX: find real Apple format for NDRV
           drivers) */
        vga_bios_ptr[0] = 'N';
        vga_bios_ptr[1] = 'D';
        vga_bios_ptr[2] = 'R';
        vga_bios_ptr[3] = 'V';
        cpu_to_be32w((uint32_t *)(vga_bios_ptr + 4), vga_bios_size);
        vga_bios_size += 8;

        /* Round to page boundary */
        vga_bios_size = (vga_bios_size + TARGET_PAGE_SIZE - 1) &
            TARGET_PAGE_MASK;
    }

    if (linux_boot) {
        uint64_t lowaddr = 0;
        int bswap_needed;

#ifdef BSWAP_NEEDED
        bswap_needed = 1;
#else
        bswap_needed = 0;
#endif
        kernel_base = KERNEL_LOAD_ADDR;

        /* Now we can load the kernel. The first step tries to load the kernel
           supposing PhysAddr = 0x00000000. If that was wrong the kernel is
           loaded again, the new PhysAddr being computed from lowaddr. */
        kernel_size = load_elf(kernel_filename, kernel_base, NULL, &lowaddr, NULL,
                               1, ELF_MACHINE, 0);
        if (kernel_size > 0 && lowaddr != KERNEL_LOAD_ADDR) {
            kernel_size = load_elf(kernel_filename, (2 * kernel_base) - lowaddr,
                                   NULL, NULL, NULL, 1, ELF_MACHINE, 0);
        }
        if (kernel_size < 0)
            kernel_size = load_aout(kernel_filename, kernel_base,
                                    ram_size - kernel_base, bswap_needed,
                                    TARGET_PAGE_SIZE);
        if (kernel_size < 0)
            kernel_size = load_image_targphys(kernel_filename,
                                              kernel_base,
                                              ram_size - kernel_base);
        if (kernel_size < 0) {
            hw_error("qemu: could not load kernel '%s'\n", kernel_filename);
            exit(1);
        }
        /* load initrd */
        if (initrd_filename) {
            initrd_base = INITRD_LOAD_ADDR;
            initrd_size = load_image_targphys(initrd_filename, initrd_base,
                                              ram_size - initrd_base);
            if (initrd_size < 0) {
                hw_error("qemu: could not load initial ram disk '%s'\n",
                         initrd_filename);
                exit(1);
            }
        } else {
            initrd_base = 0;
            initrd_size = 0;
        }
        ppc_boot_device = 'm';
    } else {
        kernel_base = 0;
        kernel_size = 0;
        initrd_base = 0;
        initrd_size = 0;
        ppc_boot_device = '\0';
        /* We consider that NewWorld PowerMac never have any floppy drive
         * For now, OHW cannot boot from the network.
         */
        for (i = 0; boot_device[i] != '\0'; i++) {
            if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
                ppc_boot_device = boot_device[i];
                break;
            }
        }
        if (ppc_boot_device == '\0') {
            fprintf(stderr, "No valid boot device for Mac99 machine\n");
            exit(1);
        }
    }

    isa_mem_base = 0x80000000;

    /* Register 8 MB of ISA IO space */
    isa_mmio_init(0xf2000000, 0x00800000);

    /* UniN init */
    unin_memory = cpu_register_io_memory(unin_read, unin_write, NULL);
    cpu_register_physical_memory(0xf8000000, 0x00001000, unin_memory);

    openpic_irqs = qemu_mallocz(smp_cpus * sizeof(qemu_irq *));
    openpic_irqs[0] =
        qemu_mallocz(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
    for (i = 0; i < smp_cpus; i++) {
        /* Mac99 IRQ connection between OpenPIC outputs pins
         * and PowerPC input pins
         */
        switch (PPC_INPUT(env)) {
        case PPC_FLAGS_INPUT_6xx:
            openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
            openpic_irqs[i][OPENPIC_OUTPUT_INT] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
            openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
            openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
            /* Not connected ? */
            openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
            /* Check this */
            openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
                ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
            break;
#if defined(TARGET_PPC64)
        case PPC_FLAGS_INPUT_970:
            openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
            openpic_irqs[i][OPENPIC_OUTPUT_INT] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
            openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
            openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
            /* Not connected ? */
            openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
            /* Check this */
            openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
                ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
            break;
#endif /* defined(TARGET_PPC64) */
        default:
            hw_error("Bus model not supported on mac99 machine\n");
            exit(1);
        }
    }
    pic = openpic_init(NULL, &pic_mem_index, smp_cpus, openpic_irqs, NULL);
    if (PPC_INPUT(env) == PPC_FLAGS_INPUT_970) {
        /* 970 gets a U3 bus */
        pci_bus = pci_pmac_u3_init(pic);
        machine_arch = ARCH_MAC99_U3;
    } else {
        pci_bus = pci_pmac_init(pic);
        machine_arch = ARCH_MAC99;
    }
    /* init basic PC hardware */
    pci_vga_init(pci_bus, vga_bios_offset, vga_bios_size);

    escc_mem_index = escc_init(0x80013000, pic[0x25], pic[0x24],
                               serial_hds[0], serial_hds[1], ESCC_CLOCK, 4);

    for(i = 0; i < nb_nics; i++)
        pci_nic_init_nofail(&nd_table[i], "ne2k_pci", NULL);

    if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
        fprintf(stderr, "qemu: too many IDE bus\n");
        exit(1);
    }
    dbdma = DBDMA_init(&dbdma_mem_index);

    /* We only emulate 2 out of 3 IDE controllers for now */
    ide_mem_index[0] = -1;
    hd[0] = drive_get(IF_IDE, 0, 0);
    hd[1] = drive_get(IF_IDE, 0, 1);
    ide_mem_index[1] = pmac_ide_init(hd, pic[0x0d], dbdma, 0x16, pic[0x02]);
    hd[0] = drive_get(IF_IDE, 1, 0);
    hd[1] = drive_get(IF_IDE, 1, 1);
    ide_mem_index[2] = pmac_ide_init(hd, pic[0x0e], dbdma, 0x1a, pic[0x02]);

    /* cuda also initialize ADB */
    if (machine_arch == ARCH_MAC99_U3) {
        usb_enabled = 1;
    }
    cuda_init(&cuda_mem_index, pic[0x19]);

    adb_kbd_init(&adb_bus);
    adb_mouse_init(&adb_bus);

    macio_init(pci_bus, PCI_DEVICE_ID_APPLE_UNI_N_KEYL, 0, pic_mem_index,
               dbdma_mem_index, cuda_mem_index, NULL, 3, ide_mem_index,
               escc_mem_index);

    if (usb_enabled) {
        usb_ohci_init_pci(pci_bus, -1);
    }

    /* U3 needs to use USB for input because Linux doesn't support via-cuda
       on PPC64 */
    if (machine_arch == ARCH_MAC99_U3) {
        usbdevice_create("keyboard");
        usbdevice_create("mouse");
    }

    if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8)
        graphic_depth = 15;

    /* The NewWorld NVRAM is not located in the MacIO device */
    nvr = macio_nvram_init(&nvram_mem_index, 0x2000, 1);
    pmac_format_nvram_partition(nvr, 0x2000);
    macio_nvram_map(nvr, 0xFFF04000);
    /* No PCI init: the BIOS will do it */

    fw_cfg = fw_cfg_init(0, 0, CFG_ADDR, CFG_ADDR + 2);
    fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
    fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
    fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
    if (kernel_cmdline) {
        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, CMDLINE_ADDR);
        pstrcpy_targphys("cmdline", CMDLINE_ADDR, TARGET_PAGE_SIZE, kernel_cmdline);
    } else {
        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
    }
    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
    fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);

    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
    fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);

    if (kvm_enabled()) {
#ifdef CONFIG_KVM
        fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, kvmppc_get_tbfreq());
#endif
    } else {
        fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, get_ticks_per_sec());
    }

    qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
}
Exemplo n.º 23
0
static void bamboo_init(ram_addr_t ram_size,
                        const char *boot_device,
                        const char *kernel_filename,
                        const char *kernel_cmdline,
                        const char *initrd_filename,
                        const char *cpu_model)
{
    unsigned int pci_irq_nrs[4] = { 28, 27, 26, 25 };
    PCIBus *pcibus;
    CPUState *env;
    uint64_t elf_entry;
    uint64_t elf_lowaddr;
    target_phys_addr_t entry = 0;
    target_phys_addr_t loadaddr = 0;
    target_long initrd_size = 0;
    int success;
    int i;

    /* Setup CPU. */
    env = ppc440ep_init(&ram_size, &pcibus, pci_irq_nrs, 1, cpu_model);

    if (pcibus) {
        /* Register network interfaces. */
        for (i = 0; i < nb_nics; i++) {
            /* There are no PCI NICs on the Bamboo board, but there are
             * PCI slots, so we can pick whatever default model we want. */
            pci_nic_init_nofail(&nd_table[i], "e1000", NULL);
        }
    }

    /* Load kernel. */
    if (kernel_filename) {
        success = load_uimage(kernel_filename, &entry, &loadaddr, NULL);
        if (success < 0) {
            success = load_elf(kernel_filename, NULL, NULL, &elf_entry,
                               &elf_lowaddr, NULL, 1, ELF_MACHINE, 0);
            entry = elf_entry;
            loadaddr = elf_lowaddr;
        }
        /* XXX try again as binary */
        if (success < 0) {
            fprintf(stderr, "qemu: could not load kernel '%s'\n",
                    kernel_filename);
            exit(1);
        }
    }

    /* Load initrd. */
    if (initrd_filename) {
        initrd_size = load_image_targphys(initrd_filename, RAMDISK_ADDR,
                                          ram_size - RAMDISK_ADDR);

        if (initrd_size < 0) {
            fprintf(stderr, "qemu: could not load ram disk '%s' at %x\n",
                    initrd_filename, RAMDISK_ADDR);
            exit(1);
        }
    }

    /* If we're loading a kernel directly, we must load the device tree too. */
    if (kernel_filename) {
        if (bamboo_load_device_tree(FDT_ADDR, ram_size, RAMDISK_ADDR,
                                    initrd_size, kernel_cmdline) < 0) {
            fprintf(stderr, "couldn't load device tree\n");
            exit(1);
        }

        cpu_synchronize_state(env);

        /* Set initial guest state. */
        env->gpr[1] = (16<<20) - 8;
        env->gpr[3] = FDT_ADDR;
        env->nip = entry;
        /* XXX we currently depend on KVM to create some initial TLB entries. */
    }

    if (kvm_enabled())
        kvmppc_init();
}