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(&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(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); } } }