示例#1
0
文件: r2d.c 项目: agocke/qemu
static void r2d_init(ram_addr_t ram_size, int vga_ram_size,
              const char *boot_device,
	      const char *kernel_filename, const char *kernel_cmdline,
	      const char *initrd_filename, const char *cpu_model)
{
    CPUState *env;
    struct SH7750State *s;
    ram_addr_t sdram_addr, sm501_vga_ram_addr;
    qemu_irq *irq;
    PCIBus *pci;
    int i;

    if (!cpu_model)
        cpu_model = "SH7751R";

    env = cpu_init(cpu_model);
    if (!env) {
        fprintf(stderr, "Unable to find CPU definition\n");
        exit(1);
    }

    /* Allocate memory space */
    sdram_addr = qemu_ram_alloc(SDRAM_SIZE);
    cpu_register_physical_memory(SDRAM_BASE, SDRAM_SIZE, sdram_addr);
    /* Register peripherals */
    s = sh7750_init(env);
    irq = r2d_fpga_init(0x04000000, sh7750_irl(s));
    pci = sh_pci_register_bus(r2d_pci_set_irq, r2d_pci_map_irq, irq, 0, 4);

    sm501_vga_ram_addr = qemu_ram_alloc(SM501_VRAM_SIZE);
    sm501_init(0x10000000, sm501_vga_ram_addr, SM501_VRAM_SIZE,
	       serial_hds[2]);

    /* onboard CF (True IDE mode, Master only). */
    mmio_ide_init(0x14001000, 0x1400080c, irq[CF_IDE], 1,
        drives_table[drive_get_index(IF_IDE, 0, 0)].bdrv, NULL);

    /* NIC: rtl8139 on-board, and 2 slots. */
    pci_nic_init(pci, &nd_table[0], 2 << 3, "rtl8139");
    for (i = 1; i < nb_nics; i++)
        pci_nic_init(pci, &nd_table[i], -1, "ne2k_pci");

    /* Todo: register on board registers */
    {
      int kernel_size;
      /* initialization which should be done by firmware */
      stl_phys(SH7750_BCR1, 1<<3); /* cs3 SDRAM */
      stw_phys(SH7750_BCR2, 3<<(3*2)); /* cs3 32bit */

      kernel_size = load_image(kernel_filename, phys_ram_base);

      if (kernel_size < 0) {
        fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename);
        exit(1);
      }

      env->pc = SDRAM_BASE | 0xa0000000; /* Start from P2 area */
    }
}
示例#2
0
文件: realview.c 项目: yoshii/qemu
static void realview_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,
                     enum realview_board_type board_type)
{
    CPUState *env = NULL;
    ram_addr_t ram_offset;
    DeviceState *dev;
    SysBusDevice *busdev;
    qemu_irq *irqp;
    qemu_irq pic[64];
    PCIBus *pci_bus;
    NICInfo *nd;
    i2c_bus *i2c;
    DriveInfo *ide,*ide2;
    int n;
    int done_nic = 0;
    qemu_irq cpu_irq[4];
    int is_mpcore = 0;
    int is_pb = 0;
    uint32_t proc_id = 0;
    uint32_t sys_id;
    ram_addr_t low_ram_size;

    switch (board_type) {
    case BOARD_EB:
        break;
    case BOARD_EB_MPCORE:
        is_mpcore = 1;
        break;
    case BOARD_PB_A8:
        is_pb = 1;
        break;
    case BOARD_PBX_A9:
        is_mpcore = 1;
        is_pb = 1;
        break;
    }
    for (n = 0; n < smp_cpus; n++) {
        env = cpu_init(cpu_model);
        if (!env) {
            fprintf(stderr, "Unable to find CPU definition\n");
            exit(1);
        }
        irqp = arm_pic_init_cpu(env);
        cpu_irq[n] = irqp[ARM_PIC_CPU_IRQ];
        if (n > 0) {
            qemu_register_reset(secondary_cpu_reset, env);
        }
    }
    if (arm_feature(env, ARM_FEATURE_V7)) {
        if (is_mpcore) {
            proc_id = 0x0c000000;
        } else {
            proc_id = 0x0e000000;
        }
    } else if (arm_feature(env, ARM_FEATURE_V6K)) {
        proc_id = 0x06000000;
    } else if (arm_feature(env, ARM_FEATURE_V6)) {
        proc_id = 0x04000000;
    } else {
        proc_id = 0x02000000;
    }

    if (is_pb && ram_size > 0x20000000) {
        /* Core tile RAM.  */
        low_ram_size = ram_size - 0x20000000;
        ram_size = 0x20000000;
        ram_offset = qemu_ram_alloc(NULL, "realview.lowmem", low_ram_size);
        cpu_register_physical_memory(0x20000000, low_ram_size,
                                     ram_offset | IO_MEM_RAM);
    }

    ram_offset = qemu_ram_alloc(NULL, "realview.highmem", ram_size);
    low_ram_size = ram_size;
    if (low_ram_size > 0x10000000)
      low_ram_size = 0x10000000;
    /* SDRAM at address zero.  */
    cpu_register_physical_memory(0, low_ram_size, ram_offset | IO_MEM_RAM);
    if (is_pb) {
        /* And again at a high address.  */
        cpu_register_physical_memory(0x70000000, ram_size,
                                     ram_offset | IO_MEM_RAM);
    } else {
        ram_size = low_ram_size;
    }

    sys_id = is_pb ? 0x01780500 : 0xc1400400;
    arm_sysctl_init(0x10000000, sys_id, proc_id);

    if (is_mpcore) {
        dev = qdev_create(NULL, is_pb ? "a9mpcore_priv": "realview_mpcore");
        qdev_prop_set_uint32(dev, "num-cpu", smp_cpus);
        qdev_init_nofail(dev);
        busdev = sysbus_from_qdev(dev);
        if (is_pb) {
            realview_binfo.smp_priv_base = 0x1f000000;
        } else {
            realview_binfo.smp_priv_base = 0x10100000;
        }
        sysbus_mmio_map(busdev, 0, realview_binfo.smp_priv_base);
        for (n = 0; n < smp_cpus; n++) {
            sysbus_connect_irq(busdev, n, cpu_irq[n]);
        }
    } else {
        uint32_t gic_addr = is_pb ? 0x1e000000 : 0x10040000;
        /* For now just create the nIRQ GIC, and ignore the others.  */
        dev = sysbus_create_simple("realview_gic", gic_addr, cpu_irq[0]);
    }
    for (n = 0; n < 64; n++) {
        pic[n] = qdev_get_gpio_in(dev, n);
    }

    sysbus_create_simple("pl050_keyboard", 0x10006000, pic[20]);
    sysbus_create_simple("pl050_mouse", 0x10007000, pic[21]);

    sysbus_create_simple("pl011", 0x10009000, pic[12]);
    sysbus_create_simple("pl011", 0x1000a000, pic[13]);
    sysbus_create_simple("pl011", 0x1000b000, pic[14]);
    sysbus_create_simple("pl011", 0x1000c000, pic[15]);

    /* DMA controller is optional, apparently.  */
    sysbus_create_simple("pl081", 0x10030000, pic[24]);

    sysbus_create_simple("sp804", 0x10011000, pic[4]);
    sysbus_create_simple("sp804", 0x10012000, pic[5]);

    sysbus_create_simple("pl110_versatile", 0x10020000, pic[23]);

    sysbus_create_varargs("pl181", 0x10005000, pic[17], pic[18], NULL);

    sysbus_create_simple("pl031", 0x10017000, pic[10]);

    if (!is_pb) {
        dev = sysbus_create_varargs("realview_pci", 0x60000000,
                                    pic[48], pic[49], pic[50], pic[51], NULL);
        pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci");
        if (usb_enabled) {
            usb_ohci_init_pci(pci_bus, -1);
        }
        n = drive_get_max_bus(IF_SCSI);
        while (n >= 0) {
            pci_create_simple(pci_bus, -1, "lsi53c895a");
            n--;
        }
    }
    for(n = 0; n < nb_nics; n++) {
        nd = &nd_table[n];

        if ((!nd->model && !done_nic)
            || strcmp(nd->model, is_pb ? "lan9118" : "smc91c111") == 0) {
            if (is_pb) {
                lan9118_init(nd, 0x4e000000, pic[28]);
            } else {
                smc91c111_init(nd, 0x4e000000, pic[28]);
            }
            done_nic = 1;
        } else {
            pci_nic_init_nofail(nd, "rtl8139", NULL);
        }
    }

    dev = sysbus_create_simple("realview_i2c", 0x10002000, NULL);
    i2c = (i2c_bus *)qdev_get_child_bus(dev, "i2c");
    i2c_create_slave(i2c, "ds1338", 0x68);

    ide = drive_get(IF_IDE, 0, 0);
    ide2 = drive_get(IF_IDE, 0, 1);
    mmio_ide_init(0x18000000, 0x18000100, 0, 1, ide, ide2);

    /* Memory map for RealView Emulation Baseboard:  */
    /* 0x10000000 System registers.  */
    /*  0x10001000 System controller.  */
    /* 0x10002000 Two-Wire Serial Bus.  */
    /* 0x10003000 Reserved.  */
    /*  0x10004000 AACI.  */
    /*  0x10005000 MCI.  */
    /* 0x10006000 KMI0.  */
    /* 0x10007000 KMI1.  */
    /*  0x10008000 Character LCD. (EB) */
    /* 0x10009000 UART0.  */
    /* 0x1000a000 UART1.  */
    /* 0x1000b000 UART2.  */
    /* 0x1000c000 UART3.  */
    /*  0x1000d000 SSPI.  */
    /*  0x1000e000 SCI.  */
    /* 0x1000f000 Reserved.  */
    /*  0x10010000 Watchdog.  */
    /* 0x10011000 Timer 0+1.  */
    /* 0x10012000 Timer 2+3.  */
    /*  0x10013000 GPIO 0.  */
    /*  0x10014000 GPIO 1.  */
    /*  0x10015000 GPIO 2.  */
    /*  0x10002000 Two-Wire Serial Bus - DVI. (PB) */
    /* 0x10017000 RTC.  */
    /*  0x10018000 DMC.  */
    /*  0x10019000 PCI controller config.  */
    /*  0x10020000 CLCD.  */
    /* 0x10030000 DMA Controller.  */
    /* 0x10040000 GIC1. (EB) */
    /*  0x10050000 GIC2. (EB) */
    /*  0x10060000 GIC3. (EB) */
    /*  0x10070000 GIC4. (EB) */
    /*  0x10080000 SMC.  */
    /* 0x1e000000 GIC1. (PB) */
    /*  0x1e001000 GIC2. (PB) */
    /*  0x1e002000 GIC3. (PB) */
    /*  0x1e003000 GIC4. (PB) */
    /*  0x40000000 NOR flash.  */
    /*  0x44000000 DoC flash.  */
    /*  0x48000000 SRAM.  */
    /*  0x4c000000 Configuration flash.  */
    /* 0x4e000000 Ethernet.  */
    /*  0x4f000000 USB.  */
    /*  0x50000000 PISMO.  */
    /*  0x54000000 PISMO.  */
    /*  0x58000000 PISMO.  */
    /*  0x5c000000 PISMO.  */
    /* 0x60000000 PCI.  */
    /* 0x61000000 PCI Self Config.  */
    /* 0x62000000 PCI Config.  */
    /* 0x63000000 PCI IO.  */
    /* 0x64000000 PCI mem 0.  */
    /* 0x68000000 PCI mem 1.  */
    /* 0x6c000000 PCI mem 2.  */

    /* ??? Hack to map an additional page of ram for the secondary CPU
       startup code.  I guess this works on real hardware because the
       BootROM happens to be in ROM/flash or in memory that isn't clobbered
       until after Linux boots the secondary CPUs.  */
    ram_offset = qemu_ram_alloc(NULL, "realview.hack", 0x1000);
    cpu_register_physical_memory(SMP_BOOT_ADDR, 0x1000,
                                 ram_offset | IO_MEM_RAM);

    realview_binfo.ram_size = ram_size;
    realview_binfo.kernel_filename = kernel_filename;
    realview_binfo.kernel_cmdline = kernel_cmdline;
    realview_binfo.initrd_filename = initrd_filename;
    realview_binfo.nb_cpus = smp_cpus;
    realview_binfo.board_id = realview_board_id[board_type];
    realview_binfo.loader_start = (board_type == BOARD_PB_A8 ? 0x70000000 : 0);
    arm_load_kernel(first_cpu, &realview_binfo);
}
示例#3
0
static void r2d_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;
    struct SH7750State *s;
    ram_addr_t sdram_addr;
    qemu_irq *irq;
    PCIBus *pci;
    DriveInfo *dinfo;
    int i;

    if (!cpu_model)
        cpu_model = "SH7751R";

    env = cpu_init(cpu_model);
    if (!env) {
        fprintf(stderr, "Unable to find CPU definition\n");
        exit(1);
    }

    /* Allocate memory space */
    sdram_addr = qemu_ram_alloc(SDRAM_SIZE);
    cpu_register_physical_memory(SDRAM_BASE, SDRAM_SIZE, sdram_addr);
    /* Register peripherals */
    s = sh7750_init(env);
    irq = r2d_fpga_init(0x04000000, sh7750_irl(s));
    pci = sh_pci_register_bus(r2d_pci_set_irq, r2d_pci_map_irq, irq, 0, 4);

    sm501_init(0x10000000, SM501_VRAM_SIZE, irq[SM501], serial_hds[2]);

    /* onboard CF (True IDE mode, Master only). */
    if ((dinfo = drive_get(IF_IDE, 0, 0)) != NULL)
	mmio_ide_init(0x14001000, 0x1400080c, irq[CF_IDE], 1,
		      dinfo, NULL);

    /* NIC: rtl8139 on-board, and 2 slots. */
    for (i = 0; i < nb_nics; i++)
        pci_nic_init_nofail(&nd_table[i], "rtl8139", i==0 ? "2" : NULL);

    /* Todo: register on board registers */
    if (kernel_filename) {
      int kernel_size;
      /* initialization which should be done by firmware */
      stl_phys(SH7750_BCR1, 1<<3); /* cs3 SDRAM */
      stw_phys(SH7750_BCR2, 3<<(3*2)); /* cs3 32bit */

      if (kernel_cmdline) {
          kernel_size = load_image_targphys(kernel_filename,
				   SDRAM_BASE + LINUX_LOAD_OFFSET,
				   SDRAM_SIZE - LINUX_LOAD_OFFSET);
          env->pc = (SDRAM_BASE + LINUX_LOAD_OFFSET) | 0xa0000000;
          pstrcpy_targphys("cmdline", SDRAM_BASE + 0x10100, 256, kernel_cmdline);
      } else {
          kernel_size = load_image_targphys(kernel_filename, SDRAM_BASE, SDRAM_SIZE);
          env->pc = SDRAM_BASE | 0xa0000000; /* Start from P2 area */
      }

      if (kernel_size < 0) {
        fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename);
        exit(1);
      }
    }
}
示例#4
0
static void r2d_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;
    struct SH7750State *s;
    ram_addr_t sdram_addr;
    qemu_irq *irq;
    DriveInfo *dinfo;
    int i;

    if (!cpu_model)
        cpu_model = "SH7751R";

    env = cpu_init(cpu_model);
    if (!env) {
        fprintf(stderr, "Unable to find CPU definition\n");
        exit(1);
    }

    /* Allocate memory space */
    sdram_addr = qemu_ram_alloc(NULL, "r2d.sdram", SDRAM_SIZE);
    cpu_register_physical_memory(SDRAM_BASE, SDRAM_SIZE, sdram_addr);
    /* Register peripherals */
    s = sh7750_init(env);
    irq = r2d_fpga_init(0x04000000, sh7750_irl(s));
    sh_pci_register_bus(r2d_pci_set_irq, r2d_pci_map_irq, irq, 0, 4);

    sm501_init(0x10000000, SM501_VRAM_SIZE, irq[SM501], serial_hds[2]);

    /* onboard CF (True IDE mode, Master only). */
    dinfo = drive_get(IF_IDE, 0, 0);
    mmio_ide_init(0x14001000, 0x1400080c, irq[CF_IDE], 1,
                  dinfo, NULL);

    /* onboard flash memory */
    dinfo = drive_get(IF_PFLASH, 0, 0);
    pflash_cfi02_register(0x0, qemu_ram_alloc(NULL, "r2d.flash", FLASH_SIZE),
                          dinfo ? dinfo->bdrv : NULL, (16 * 1024),
                          FLASH_SIZE >> 16,
                          1, 4, 0x0000, 0x0000, 0x0000, 0x0000,
                          0x555, 0x2aa, 0);

    /* NIC: rtl8139 on-board, and 2 slots. */
    for (i = 0; i < nb_nics; i++)
        pci_nic_init_nofail(&nd_table[i], "rtl8139", i==0 ? "2" : NULL);

    /* USB keyboard */
    usbdevice_create("keyboard");

    /* Todo: register on board registers */
    memset(&boot_params, 0, sizeof(boot_params));

    if (kernel_filename) {
        int kernel_size;

        kernel_size = load_image_targphys(kernel_filename,
                                          SDRAM_BASE + LINUX_LOAD_OFFSET,
                                          INITRD_LOAD_OFFSET - LINUX_LOAD_OFFSET);
        if (kernel_size < 0) {
          fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename);
          exit(1);
        }

        /* initialization which should be done by firmware */
        stl_phys(SH7750_BCR1, 1<<3); /* cs3 SDRAM */
        stw_phys(SH7750_BCR2, 3<<(3*2)); /* cs3 32bit */
        env->pc = (SDRAM_BASE + LINUX_LOAD_OFFSET) | 0xa0000000; /* Start from P2 area */
    }

    if (initrd_filename) {
        int initrd_size;

        initrd_size = load_image_targphys(initrd_filename,
                                          SDRAM_BASE + INITRD_LOAD_OFFSET,
                                          SDRAM_SIZE - INITRD_LOAD_OFFSET);

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

        /* initialization which should be done by firmware */
        boot_params.loader_type = 1;
        boot_params.initrd_start = INITRD_LOAD_OFFSET;
        boot_params.initrd_size = initrd_size;
    }

    if (kernel_cmdline) {
        strncpy(boot_params.kernel_cmdline, kernel_cmdline,
                sizeof(boot_params.kernel_cmdline));
    }

    rom_add_blob_fixed("boot_params", &boot_params, sizeof(boot_params),
                       SDRAM_BASE + BOOT_PARAMS_OFFSET);
}