static inline uint32_t vring_desc_len(target_phys_addr_t desc_pa, int i)
{
    target_phys_addr_t pa;
    pa = desc_pa + sizeof(VRingDesc) * i + offsetof(VRingDesc, len);
    return ldl_phys(pa);
}
Example #2
0
static inline uint32_t vring_desc_len(hwaddr desc_pa, int i)
{
    hwaddr pa;
    pa = desc_pa + sizeof(VRingDesc) * i + offsetof(VRingDesc, len);
    return ldl_phys(pa);
}
Example #3
0
static int virtio_ccw_cb(SubchDev *sch, CCW1 ccw)
{
    int ret;
    VqInfoBlock info;
    uint8_t status;
    VirtioFeatDesc features;
    void *config;
    hwaddr indicators;
    VqConfigBlock vq_config;
    VirtioCcwDevice *dev = sch->driver_data;
    bool check_len;
    int len;
    hwaddr hw_len;

    if (!dev) {
        return -EINVAL;
    }

    trace_virtio_ccw_interpret_ccw(sch->cssid, sch->ssid, sch->schid,
                                   ccw.cmd_code);
    check_len = !((ccw.flags & CCW_FLAG_SLI) && !(ccw.flags & CCW_FLAG_DC));

    /* Look at the command. */
    switch (ccw.cmd_code) {
    case CCW_CMD_SET_VQ:
        if (check_len) {
            if (ccw.count != sizeof(info)) {
                ret = -EINVAL;
                break;
            }
        } else if (ccw.count < sizeof(info)) {
            /* Can't execute command. */
            ret = -EINVAL;
            break;
        }
        if (!ccw.cda) {
            ret = -EFAULT;
        } else {
            info.queue = ldq_phys(ccw.cda);
            info.align = ldl_phys(ccw.cda + sizeof(info.queue));
            info.index = lduw_phys(ccw.cda + sizeof(info.queue)
                                   + sizeof(info.align));
            info.num = lduw_phys(ccw.cda + sizeof(info.queue)
                                 + sizeof(info.align)
                                 + sizeof(info.index));
            ret = virtio_ccw_set_vqs(sch, info.queue, info.align, info.index,
                                     info.num);
            sch->curr_status.scsw.count = 0;
        }
        break;
    case CCW_CMD_VDEV_RESET:
        virtio_reset(dev->vdev);
        ret = 0;
        break;
    case CCW_CMD_READ_FEAT:
        if (check_len) {
            if (ccw.count != sizeof(features)) {
                ret = -EINVAL;
                break;
            }
        } else if (ccw.count < sizeof(features)) {
            /* Can't execute command. */
            ret = -EINVAL;
            break;
        }
        if (!ccw.cda) {
            ret = -EFAULT;
        } else {
            features.index = ldub_phys(ccw.cda + sizeof(features.features));
            if (features.index < ARRAY_SIZE(dev->host_features)) {
                features.features = dev->host_features[features.index];
            } else {
                /* Return zeroes if the guest supports more feature bits. */
                features.features = 0;
            }
            stl_le_phys(ccw.cda, features.features);
            sch->curr_status.scsw.count = ccw.count - sizeof(features);
            ret = 0;
        }
        break;
    case CCW_CMD_WRITE_FEAT:
        if (check_len) {
            if (ccw.count != sizeof(features)) {
                ret = -EINVAL;
                break;
            }
        } else if (ccw.count < sizeof(features)) {
            /* Can't execute command. */
            ret = -EINVAL;
            break;
        }
        if (!ccw.cda) {
            ret = -EFAULT;
        } else {
            features.index = ldub_phys(ccw.cda + sizeof(features.features));
            features.features = ldl_le_phys(ccw.cda);
            if (features.index < ARRAY_SIZE(dev->host_features)) {
                virtio_bus_set_vdev_features(&dev->bus, features.features);
                dev->vdev->guest_features = features.features;
            } else {
                /*
                 * If the guest supports more feature bits, assert that it
                 * passes us zeroes for those we don't support.
                 */
                if (features.features) {
                    fprintf(stderr, "Guest bug: features[%i]=%x (expected 0)\n",
                            features.index, features.features);
                    /* XXX: do a unit check here? */
                }
            }
            sch->curr_status.scsw.count = ccw.count - sizeof(features);
            ret = 0;
        }
        break;
    case CCW_CMD_READ_CONF:
        if (check_len) {
            if (ccw.count > dev->vdev->config_len) {
                ret = -EINVAL;
                break;
            }
        }
        len = MIN(ccw.count, dev->vdev->config_len);
        if (!ccw.cda) {
            ret = -EFAULT;
        } else {
            virtio_bus_get_vdev_config(&dev->bus, dev->vdev->config);
            /* XXX config space endianness */
            cpu_physical_memory_write(ccw.cda, dev->vdev->config, len);
            sch->curr_status.scsw.count = ccw.count - len;
            ret = 0;
        }
        break;
    case CCW_CMD_WRITE_CONF:
        if (check_len) {
            if (ccw.count > dev->vdev->config_len) {
                ret = -EINVAL;
                break;
            }
        }
        len = MIN(ccw.count, dev->vdev->config_len);
        hw_len = len;
        if (!ccw.cda) {
            ret = -EFAULT;
        } else {
            config = cpu_physical_memory_map(ccw.cda, &hw_len, 0);
            if (!config) {
                ret = -EFAULT;
            } else {
                len = hw_len;
                /* XXX config space endianness */
                memcpy(dev->vdev->config, config, len);
                cpu_physical_memory_unmap(config, hw_len, 0, hw_len);
                virtio_bus_set_vdev_config(&dev->bus, dev->vdev->config);
                sch->curr_status.scsw.count = ccw.count - len;
                ret = 0;
            }
        }
        break;
    case CCW_CMD_WRITE_STATUS:
        if (check_len) {
            if (ccw.count != sizeof(status)) {
                ret = -EINVAL;
                break;
            }
        } else if (ccw.count < sizeof(status)) {
            /* Can't execute command. */
            ret = -EINVAL;
            break;
        }
        if (!ccw.cda) {
            ret = -EFAULT;
        } else {
            status = ldub_phys(ccw.cda);
            virtio_set_status(dev->vdev, status);
            if (dev->vdev->status == 0) {
                virtio_reset(dev->vdev);
            }
            sch->curr_status.scsw.count = ccw.count - sizeof(status);
            ret = 0;
        }
        break;
    case CCW_CMD_SET_IND:
        if (check_len) {
            if (ccw.count != sizeof(indicators)) {
                ret = -EINVAL;
                break;
            }
        } else if (ccw.count < sizeof(indicators)) {
            /* Can't execute command. */
            ret = -EINVAL;
            break;
        }
        if (!ccw.cda) {
            ret = -EFAULT;
        } else {
            indicators = ldq_phys(ccw.cda);
            dev->indicators = indicators;
            sch->curr_status.scsw.count = ccw.count - sizeof(indicators);
            ret = 0;
        }
        break;
    case CCW_CMD_SET_CONF_IND:
        if (check_len) {
            if (ccw.count != sizeof(indicators)) {
                ret = -EINVAL;
                break;
            }
        } else if (ccw.count < sizeof(indicators)) {
            /* Can't execute command. */
            ret = -EINVAL;
            break;
        }
        if (!ccw.cda) {
            ret = -EFAULT;
        } else {
            indicators = ldq_phys(ccw.cda);
            dev->indicators2 = indicators;
            sch->curr_status.scsw.count = ccw.count - sizeof(indicators);
            ret = 0;
        }
        break;
    case CCW_CMD_READ_VQ_CONF:
        if (check_len) {
            if (ccw.count != sizeof(vq_config)) {
                ret = -EINVAL;
                break;
            }
        } else if (ccw.count < sizeof(vq_config)) {
            /* Can't execute command. */
            ret = -EINVAL;
            break;
        }
        if (!ccw.cda) {
            ret = -EFAULT;
        } else {
            vq_config.index = lduw_phys(ccw.cda);
            vq_config.num_max = virtio_queue_get_num(dev->vdev,
                                                     vq_config.index);
            stw_phys(ccw.cda + sizeof(vq_config.index), vq_config.num_max);
            sch->curr_status.scsw.count = ccw.count - sizeof(vq_config);
            ret = 0;
        }
        break;
    default:
        ret = -ENOSYS;
        break;
    }
    return ret;
}
Example #4
0
static void sun4uv_init(ram_addr_t RAM_size, int vga_ram_size,
                        const char *boot_devices,
                        const char *kernel_filename, const char *kernel_cmdline,
                        const char *initrd_filename, const char *cpu_model,
                        const struct hwdef *hwdef)
{
    CPUState *env;
    char buf[1024];
    m48t59_t *nvram;
    int ret, linux_boot;
    unsigned int i;
    ram_addr_t ram_offset, prom_offset, vga_ram_offset;
    long initrd_size, kernel_size;
    PCIBus *pci_bus, *pci_bus2, *pci_bus3;
    QEMUBH *bh;
    qemu_irq *irq;
    int drive_index;
    BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
    BlockDriverState *fd[MAX_FD];
    void *fw_cfg;
    ResetData *reset_info;

    linux_boot = (kernel_filename != NULL);

    /* init CPUs */
    if (!cpu_model)
        cpu_model = hwdef->default_cpu_model;

    env = cpu_init(cpu_model);
    if (!env) {
        fprintf(stderr, "Unable to find Sparc CPU definition\n");
        exit(1);
    }
    bh = qemu_bh_new(tick_irq, env);
    env->tick = ptimer_init(bh);
    ptimer_set_period(env->tick, 1ULL);

    bh = qemu_bh_new(stick_irq, env);
    env->stick = ptimer_init(bh);
    ptimer_set_period(env->stick, 1ULL);

    bh = qemu_bh_new(hstick_irq, env);
    env->hstick = ptimer_init(bh);
    ptimer_set_period(env->hstick, 1ULL);

    reset_info = qemu_mallocz(sizeof(ResetData));
    reset_info->env = env;
    reset_info->reset_addr = hwdef->prom_addr + 0x40ULL;
    qemu_register_reset(main_cpu_reset, reset_info);
    main_cpu_reset(reset_info);
    // Override warm reset address with cold start address
    env->pc = hwdef->prom_addr + 0x20ULL;
    env->npc = env->pc + 4;

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

    prom_offset = qemu_ram_alloc(PROM_SIZE_MAX);
    cpu_register_physical_memory(hwdef->prom_addr,
                                 (PROM_SIZE_MAX + TARGET_PAGE_SIZE) &
                                 TARGET_PAGE_MASK,
                                 prom_offset | IO_MEM_ROM);

    if (bios_name == NULL)
        bios_name = PROM_FILENAME;
    snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
    ret = load_elf(buf, hwdef->prom_addr - PROM_VADDR, NULL, NULL, NULL);
    if (ret < 0) {
        ret = load_image_targphys(buf, hwdef->prom_addr,
                                  (PROM_SIZE_MAX + TARGET_PAGE_SIZE) &
                                  TARGET_PAGE_MASK);
        if (ret < 0) {
            fprintf(stderr, "qemu: could not load prom '%s'\n",
                    buf);
            exit(1);
        }
    }

    kernel_size = 0;
    initrd_size = 0;
    if (linux_boot) {
        /* XXX: put correct offset */
        kernel_size = load_elf(kernel_filename, 0, NULL, NULL, NULL);
        if (kernel_size < 0)
            kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
                                    ram_size - KERNEL_LOAD_ADDR);
        if (kernel_size < 0)
            kernel_size = load_image_targphys(kernel_filename,
                                              KERNEL_LOAD_ADDR,
                                              ram_size - KERNEL_LOAD_ADDR);
        if (kernel_size < 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,
                                              INITRD_LOAD_ADDR,
                                              ram_size - INITRD_LOAD_ADDR);
            if (initrd_size < 0) {
                fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
                        initrd_filename);
                exit(1);
            }
        }
        if (initrd_size > 0) {
            for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
                if (ldl_phys(KERNEL_LOAD_ADDR + i) == 0x48647253) { // HdrS
                    stl_phys(KERNEL_LOAD_ADDR + i + 16, INITRD_LOAD_ADDR);
                    stl_phys(KERNEL_LOAD_ADDR + i + 20, initrd_size);
                    break;
                }
            }
        }
    }
    pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, NULL, &pci_bus2,
                           &pci_bus3);
    isa_mem_base = VGA_BASE;
    vga_ram_offset = qemu_ram_alloc(vga_ram_size);
    pci_vga_init(pci_bus, phys_ram_base + vga_ram_offset,
                 vga_ram_offset, vga_ram_size,
                 0, 0);

    // XXX Should be pci_bus3
    pci_ebus_init(pci_bus, -1);

    i = 0;
    if (hwdef->console_serial_base) {
        serial_mm_init(hwdef->console_serial_base, 0, NULL, 115200,
                       serial_hds[i], 1);
        i++;
    }
    for(; i < MAX_SERIAL_PORTS; i++) {
        if (serial_hds[i]) {
            serial_init(serial_io[i], NULL/*serial_irq[i]*/, 115200,
                        serial_hds[i]);
        }
    }

    for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
        if (parallel_hds[i]) {
            parallel_init(parallel_io[i], NULL/*parallel_irq[i]*/,
                          parallel_hds[i]);
        }
    }

    for(i = 0; i < nb_nics; i++)
        pci_nic_init(pci_bus, &nd_table[i], -1, "ne2k_pci");

    irq = qemu_allocate_irqs(cpu_set_irq, env, MAX_PILS);
    if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
        fprintf(stderr, "qemu: too many IDE bus\n");
        exit(1);
    }
    for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
        drive_index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS,
                                      i % MAX_IDE_DEVS);
       if (drive_index != -1)
           hd[i] = drives_table[drive_index].bdrv;
       else
           hd[i] = NULL;
    }

    pci_cmd646_ide_init(pci_bus, hd, 1);

    /* FIXME: wire up interrupts.  */
    i8042_init(NULL/*1*/, NULL/*12*/, 0x60);
    for(i = 0; i < MAX_FD; i++) {
        drive_index = drive_get_index(IF_FLOPPY, 0, i);
       if (drive_index != -1)
           fd[i] = drives_table[drive_index].bdrv;
       else
           fd[i] = NULL;
    }
    floppy_controller = fdctrl_init(NULL/*6*/, 2, 0, 0x3f0, fd);
    nvram = m48t59_init(NULL/*8*/, 0, 0x0074, NVRAM_SIZE, 59);
    sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", RAM_size, boot_devices,
                           KERNEL_LOAD_ADDR, kernel_size,
                           kernel_cmdline,
                           INITRD_LOAD_ADDR, initrd_size,
                           /* XXX: need an option to load a NVRAM image */
                           0,
                           graphic_width, graphic_height, graphic_depth,
                           (uint8_t *)&nd_table[0].macaddr);

    fw_cfg = fw_cfg_init(BIOS_CFG_IOPORT, BIOS_CFG_IOPORT + 1, 0, 0);
    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, hwdef->machine_id);
}
Example #5
0
File: cpu.c Project: HEZI0427/qemu
/* CPUClass::reset() */
static void arm_cpu_reset(CPUState *s)
{
    ARMCPU *cpu = ARM_CPU(s);
    ARMCPUClass *acc = ARM_CPU_GET_CLASS(cpu);
    CPUARMState *env = &cpu->env;

    acc->parent_reset(s);

    memset(env, 0, offsetof(CPUARMState, features));
    g_hash_table_foreach(cpu->cp_regs, cp_reg_reset, cpu);
    env->vfp.xregs[ARM_VFP_FPSID] = cpu->reset_fpsid;
    env->vfp.xregs[ARM_VFP_MVFR0] = cpu->mvfr0;
    env->vfp.xregs[ARM_VFP_MVFR1] = cpu->mvfr1;
    env->vfp.xregs[ARM_VFP_MVFR2] = cpu->mvfr2;

    if (arm_feature(env, ARM_FEATURE_IWMMXT)) {
        env->iwmmxt.cregs[ARM_IWMMXT_wCID] = 0x69051000 | 'Q';
    }

    if (arm_feature(env, ARM_FEATURE_AARCH64)) {
        /* 64 bit CPUs always start in 64 bit mode */
        env->aarch64 = 1;
#if defined(CONFIG_USER_ONLY)
        env->pstate = PSTATE_MODE_EL0t;
        /* Userspace expects access to CTL_EL0 and the cache ops */
        env->cp15.c1_sys |= SCTLR_UCT | SCTLR_UCI;
        /* and to the FP/Neon instructions */
        env->cp15.c1_coproc = deposit64(env->cp15.c1_coproc, 20, 2, 3);
#else
        env->pstate = PSTATE_MODE_EL1h;
        env->pc = cpu->rvbar;
#endif
    } else {
#if defined(CONFIG_USER_ONLY)
        /* Userspace expects access to cp10 and cp11 for FP/Neon */
        env->cp15.c1_coproc = deposit64(env->cp15.c1_coproc, 20, 4, 0xf);
#endif
    }

#if defined(CONFIG_USER_ONLY)
    env->uncached_cpsr = ARM_CPU_MODE_USR;
    /* For user mode we must enable access to coprocessors */
    env->vfp.xregs[ARM_VFP_FPEXC] = 1 << 30;
    if (arm_feature(env, ARM_FEATURE_IWMMXT)) {
        env->cp15.c15_cpar = 3;
    } else if (arm_feature(env, ARM_FEATURE_XSCALE)) {
        env->cp15.c15_cpar = 1;
    }
#else
    /* SVC mode with interrupts disabled.  */
    env->uncached_cpsr = ARM_CPU_MODE_SVC;
    env->daif = PSTATE_D | PSTATE_A | PSTATE_I | PSTATE_F;
    /* On ARMv7-M the CPSR_I is the value of the PRIMASK register, and is
     * clear at reset. Initial SP and PC are loaded from ROM.
     */
    if (IS_M(env)) {
        uint32_t initial_msp; /* Loaded from 0x0 */
        uint32_t initial_pc; /* Loaded from 0x4 */
        uint8_t *rom;

        env->daif &= ~PSTATE_I;
        rom = rom_ptr(0);
        if (rom) {
            /* Address zero is covered by ROM which hasn't yet been
             * copied into physical memory.
             */
            initial_msp = ldl_p(rom);
            initial_pc = ldl_p(rom + 4);
        } else {
            /* Address zero not covered by a ROM blob, or the ROM blob
             * is in non-modifiable memory and this is a second reset after
             * it got copied into memory. In the latter case, rom_ptr
             * will return a NULL pointer and we should use ldl_phys instead.
             */
            initial_msp = ldl_phys(s->as, 0);
            initial_pc = ldl_phys(s->as, 4);
        }

        env->regs[13] = initial_msp & 0xFFFFFFFC;
        env->regs[15] = initial_pc & ~1;
        env->thumb = initial_pc & 1;
    }

    if (env->cp15.c1_sys & SCTLR_V) {
        env->regs[15] = 0xFFFF0000;
    }

    env->vfp.xregs[ARM_VFP_FPEXC] = 0;
#endif
    set_flush_to_zero(1, &env->vfp.standard_fp_status);
    set_flush_inputs_to_zero(1, &env->vfp.standard_fp_status);
    set_default_nan_mode(1, &env->vfp.standard_fp_status);
    set_float_detect_tininess(float_tininess_before_rounding,
                              &env->vfp.fp_status);
    set_float_detect_tininess(float_tininess_before_rounding,
                              &env->vfp.standard_fp_status);
    tlb_flush(s, 1);
    /* Reset is a state change for some CPUARMState fields which we
     * bake assumptions about into translated code, so we need to
     * tb_flush().
     */
    tb_flush(env);

#ifndef CONFIG_USER_ONLY
    if (kvm_enabled()) {
        kvm_arm_reset_vcpu(cpu);
    }
#endif

    hw_watchpoint_update_all(cpu);
}
void helper_rsm(CPUX86State *env)
{
    target_ulong sm_state;
    int i, offset;
    uint32_t val;

    sm_state = env->smbase + 0x8000;
#ifdef TARGET_X86_64
    cpu_load_efer(env, ldq_phys(sm_state + 0x7ed0));

    for(i = 0; i < 6; i++) {
        offset = 0x7e00 + i * 16;
        cpu_x86_load_seg_cache(env, i,
                               lduw_phys(sm_state + offset),
                               ldq_phys(sm_state + offset + 8),
                               ldl_phys(sm_state + offset + 4),
                               (lduw_phys(sm_state + offset + 2) & 0xf0ff) << 8);
    }

    env->gdt.base = ldq_phys(sm_state + 0x7e68);
    env->gdt.limit = ldl_phys(sm_state + 0x7e64);

    env->ldt.selector = lduw_phys(sm_state + 0x7e70);
    env->ldt.base = ldq_phys(sm_state + 0x7e78);
    env->ldt.limit = ldl_phys(sm_state + 0x7e74);
    env->ldt.flags = (lduw_phys(sm_state + 0x7e72) & 0xf0ff) << 8;

    env->idt.base = ldq_phys(sm_state + 0x7e88);
    env->idt.limit = ldl_phys(sm_state + 0x7e84);

    env->tr.selector = lduw_phys(sm_state + 0x7e90);
    env->tr.base = ldq_phys(sm_state + 0x7e98);
    env->tr.limit = ldl_phys(sm_state + 0x7e94);
    env->tr.flags = (lduw_phys(sm_state + 0x7e92) & 0xf0ff) << 8;

    EAX = ldq_phys(sm_state + 0x7ff8);
    ECX = ldq_phys(sm_state + 0x7ff0);
    EDX = ldq_phys(sm_state + 0x7fe8);
    EBX = ldq_phys(sm_state + 0x7fe0);
    ESP = ldq_phys(sm_state + 0x7fd8);
    EBP = ldq_phys(sm_state + 0x7fd0);
    ESI = ldq_phys(sm_state + 0x7fc8);
    EDI = ldq_phys(sm_state + 0x7fc0);
    for(i = 8; i < 16; i++)
        env->regs[i] = ldq_phys(sm_state + 0x7ff8 - i * 8);
    env->eip = ldq_phys(sm_state + 0x7f78);
    cpu_load_eflags(env, ldl_phys(sm_state + 0x7f70),
                ~(CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C | DF_MASK));
    env->dr[6] = ldl_phys(sm_state + 0x7f68);
    env->dr[7] = ldl_phys(sm_state + 0x7f60);

    cpu_x86_update_cr4(env, ldl_phys(sm_state + 0x7f48));
    cpu_x86_update_cr3(env, ldl_phys(sm_state + 0x7f50));
    cpu_x86_update_cr0(env, ldl_phys(sm_state + 0x7f58));

    val = ldl_phys(sm_state + 0x7efc); /* revision ID */
    if (val & 0x20000) {
        env->smbase = ldl_phys(sm_state + 0x7f00) & ~0x7fff;
    }
#else
    cpu_x86_update_cr0(env, ldl_phys(sm_state + 0x7ffc));
    cpu_x86_update_cr3(env, ldl_phys(sm_state + 0x7ff8));
    cpu_load_eflags(env, ldl_phys(sm_state + 0x7ff4),
                ~(CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C | DF_MASK));
    env->eip = ldl_phys(sm_state + 0x7ff0);
    EDI = ldl_phys(sm_state + 0x7fec);
    ESI = ldl_phys(sm_state + 0x7fe8);
    EBP = ldl_phys(sm_state + 0x7fe4);
    ESP = ldl_phys(sm_state + 0x7fe0);
    EBX = ldl_phys(sm_state + 0x7fdc);
    EDX = ldl_phys(sm_state + 0x7fd8);
    ECX = ldl_phys(sm_state + 0x7fd4);
    EAX = ldl_phys(sm_state + 0x7fd0);
    env->dr[6] = ldl_phys(sm_state + 0x7fcc);
    env->dr[7] = ldl_phys(sm_state + 0x7fc8);

    env->tr.selector = ldl_phys(sm_state + 0x7fc4) & 0xffff;
    env->tr.base = ldl_phys(sm_state + 0x7f64);
    env->tr.limit = ldl_phys(sm_state + 0x7f60);
    env->tr.flags = (ldl_phys(sm_state + 0x7f5c) & 0xf0ff) << 8;

    env->ldt.selector = ldl_phys(sm_state + 0x7fc0) & 0xffff;
    env->ldt.base = ldl_phys(sm_state + 0x7f80);
    env->ldt.limit = ldl_phys(sm_state + 0x7f7c);
    env->ldt.flags = (ldl_phys(sm_state + 0x7f78) & 0xf0ff) << 8;

    env->gdt.base = ldl_phys(sm_state + 0x7f74);
    env->gdt.limit = ldl_phys(sm_state + 0x7f70);

    env->idt.base = ldl_phys(sm_state + 0x7f58);
    env->idt.limit = ldl_phys(sm_state + 0x7f54);

    for(i = 0; i < 6; i++) {
        if (i < 3)
            offset = 0x7f84 + i * 12;
        else
            offset = 0x7f2c + (i - 3) * 12;
        cpu_x86_load_seg_cache(env, i,
                               ldl_phys(sm_state + 0x7fa8 + i * 4) & 0xffff,
                               ldl_phys(sm_state + offset + 8),
                               ldl_phys(sm_state + offset + 4),
                               (ldl_phys(sm_state + offset) & 0xf0ff) << 8);
    }
    cpu_x86_update_cr4(env, ldl_phys(sm_state + 0x7f14));

    val = ldl_phys(sm_state + 0x7efc); /* revision ID */
    if (val & 0x20000) {
        env->smbase = ldl_phys(sm_state + 0x7ef8) & ~0x7fff;
    }
#endif
    CC_OP = CC_OP_EFLAGS;
    env->hflags &= ~HF_SMM_MASK;
    cpu_smm_update(env);

    qemu_log_mask(CPU_LOG_INT, "SMM: after RSM\n");
    log_cpu_state_mask(CPU_LOG_INT, ENV_GET_CPU(env), X86_DUMP_CCOP);
}
Example #7
0
/*
 * This is an ugly helper for EPR, which is basically the same as accessing
 * the IACK (PIAC) register on the MPIC. Because we model the MPIC as a device
 * that can only talk to the CPU through MMIO, let's access it that way!
 */
target_ulong helper_load_epr(CPUPPCState *env)
{
    return ldl_phys(env->mpic_cpu_base + 0xA0);
}
Example #8
0
uint64_t helper_ldl_l_phys(CPUAlphaState *env, uint64_t p)
{
    CPUState *cs = ENV_GET_CPU(env);
    env->lock_addr = p;
    return env->lock_value = (int32_t)ldl_phys(cs->as, p);
}
Example #9
0
uint64_t helper_ldl_phys(CPUAlphaState *env, uint64_t p)
{
    CPUState *cs = ENV_GET_CPU(env);
    return (int32_t)ldl_phys(cs->as, p);
}