| /* |
| * QEMU PowerPC e500-based platforms |
| * |
| * Copyright (C) 2009 Freescale Semiconductor, Inc. All rights reserved. |
| * |
| * Author: Yu Liu, <yu.liu@freescale.com> |
| * |
| * This file is derived from hw/ppc440_bamboo.c, |
| * the copyright for that material belongs to the original owners. |
| * |
| * This is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| */ |
| |
| #include "config.h" |
| #include "qemu-common.h" |
| #include "e500.h" |
| #include "net.h" |
| #include "hw/hw.h" |
| #include "hw/pc.h" |
| #include "hw/pci.h" |
| #include "hw/boards.h" |
| #include "sysemu.h" |
| #include "kvm.h" |
| #include "kvm_ppc.h" |
| #include "device_tree.h" |
| #include "hw/openpic.h" |
| #include "hw/ppc.h" |
| #include "hw/loader.h" |
| #include "elf.h" |
| #include "hw/sysbus.h" |
| #include "exec-memory.h" |
| #include "host-utils.h" |
| |
| #define BINARY_DEVICE_TREE_FILE "mpc8544ds.dtb" |
| #define UIMAGE_LOAD_BASE 0 |
| #define DTC_LOAD_PAD 0x500000 |
| #define DTC_PAD_MASK 0xFFFFF |
| #define INITRD_LOAD_PAD 0x2000000 |
| #define INITRD_PAD_MASK 0xFFFFFF |
| |
| #define RAM_SIZES_ALIGN (64UL << 20) |
| |
| /* TODO: parameterize */ |
| #define MPC8544_CCSRBAR_BASE 0xE0000000ULL |
| #define MPC8544_CCSRBAR_SIZE 0x00100000ULL |
| #define MPC8544_MPIC_REGS_BASE (MPC8544_CCSRBAR_BASE + 0x40000ULL) |
| #define MPC8544_SERIAL0_REGS_BASE (MPC8544_CCSRBAR_BASE + 0x4500ULL) |
| #define MPC8544_SERIAL1_REGS_BASE (MPC8544_CCSRBAR_BASE + 0x4600ULL) |
| #define MPC8544_PCI_REGS_BASE (MPC8544_CCSRBAR_BASE + 0x8000ULL) |
| #define MPC8544_PCI_REGS_SIZE 0x1000ULL |
| #define MPC8544_PCI_IO 0xE1000000ULL |
| #define MPC8544_PCI_IOLEN 0x10000ULL |
| #define MPC8544_UTIL_BASE (MPC8544_CCSRBAR_BASE + 0xe0000ULL) |
| #define MPC8544_SPIN_BASE 0xEF000000ULL |
| |
| struct boot_info |
| { |
| uint32_t dt_base; |
| uint32_t dt_size; |
| uint32_t entry; |
| }; |
| |
| static void pci_map_create(void *fdt, uint32_t *pci_map, uint32_t mpic) |
| { |
| int i; |
| const uint32_t tmp[] = { |
| /* IDSEL 0x11 J17 Slot 1 */ |
| 0x8800, 0x0, 0x0, 0x1, mpic, 0x2, 0x1, |
| 0x8800, 0x0, 0x0, 0x2, mpic, 0x3, 0x1, |
| 0x8800, 0x0, 0x0, 0x3, mpic, 0x4, 0x1, |
| 0x8800, 0x0, 0x0, 0x4, mpic, 0x1, 0x1, |
| |
| /* IDSEL 0x12 J16 Slot 2 */ |
| 0x9000, 0x0, 0x0, 0x1, mpic, 0x3, 0x1, |
| 0x9000, 0x0, 0x0, 0x2, mpic, 0x4, 0x1, |
| 0x9000, 0x0, 0x0, 0x3, mpic, 0x2, 0x1, |
| 0x9000, 0x0, 0x0, 0x4, mpic, 0x1, 0x1, |
| }; |
| for (i = 0; i < (7 * 8); i++) { |
| pci_map[i] = cpu_to_be32(tmp[i]); |
| } |
| } |
| |
| static void dt_serial_create(void *fdt, unsigned long long offset, |
| const char *soc, const char *mpic, |
| const char *alias, int idx, bool defcon) |
| { |
| char ser[128]; |
| |
| snprintf(ser, sizeof(ser), "%s/serial@%llx", soc, offset); |
| qemu_devtree_add_subnode(fdt, ser); |
| qemu_devtree_setprop_string(fdt, ser, "device_type", "serial"); |
| qemu_devtree_setprop_string(fdt, ser, "compatible", "ns16550"); |
| qemu_devtree_setprop_cells(fdt, ser, "reg", offset, 0x100); |
| qemu_devtree_setprop_cell(fdt, ser, "cell-index", idx); |
| qemu_devtree_setprop_cell(fdt, ser, "clock-frequency", 0); |
| qemu_devtree_setprop_cells(fdt, ser, "interrupts", 42, 2); |
| qemu_devtree_setprop_phandle(fdt, ser, "interrupt-parent", mpic); |
| qemu_devtree_setprop_string(fdt, "/aliases", alias, ser); |
| |
| if (defcon) { |
| qemu_devtree_setprop_string(fdt, "/chosen", "linux,stdout-path", ser); |
| } |
| } |
| |
| static int ppce500_load_device_tree(CPUPPCState *env, |
| PPCE500Params *params, |
| target_phys_addr_t addr, |
| target_phys_addr_t initrd_base, |
| target_phys_addr_t initrd_size) |
| { |
| int ret = -1; |
| uint64_t mem_reg_property[] = { 0, cpu_to_be64(params->ram_size) }; |
| int fdt_size; |
| void *fdt; |
| uint8_t hypercall[16]; |
| uint32_t clock_freq = 400000000; |
| uint32_t tb_freq = 400000000; |
| int i; |
| const char *toplevel_compat = NULL; /* user override */ |
| char compatible_sb[] = "fsl,mpc8544-immr\0simple-bus"; |
| char soc[128]; |
| char mpic[128]; |
| uint32_t mpic_ph; |
| char gutil[128]; |
| char pci[128]; |
| uint32_t pci_map[7 * 8]; |
| uint32_t pci_ranges[14] = |
| { |
| 0x2000000, 0x0, 0xc0000000, |
| 0x0, 0xc0000000, |
| 0x0, 0x20000000, |
| |
| 0x1000000, 0x0, 0x0, |
| 0x0, 0xe1000000, |
| 0x0, 0x10000, |
| }; |
| QemuOpts *machine_opts; |
| const char *dumpdtb = NULL; |
| const char *dtb_file = NULL; |
| |
| machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0); |
| if (machine_opts) { |
| dumpdtb = qemu_opt_get(machine_opts, "dumpdtb"); |
| dtb_file = qemu_opt_get(machine_opts, "dtb"); |
| toplevel_compat = qemu_opt_get(machine_opts, "dt_compatible"); |
| } |
| |
| if (dtb_file) { |
| char *filename; |
| filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, dtb_file); |
| if (!filename) { |
| goto out; |
| } |
| |
| fdt = load_device_tree(filename, &fdt_size); |
| if (!fdt) { |
| goto out; |
| } |
| goto done; |
| } |
| |
| fdt = create_device_tree(&fdt_size); |
| if (fdt == NULL) { |
| goto out; |
| } |
| |
| /* Manipulate device tree in memory. */ |
| qemu_devtree_setprop_cell(fdt, "/", "#address-cells", 2); |
| qemu_devtree_setprop_cell(fdt, "/", "#size-cells", 2); |
| |
| qemu_devtree_add_subnode(fdt, "/memory"); |
| qemu_devtree_setprop_string(fdt, "/memory", "device_type", "memory"); |
| qemu_devtree_setprop(fdt, "/memory", "reg", mem_reg_property, |
| sizeof(mem_reg_property)); |
| |
| qemu_devtree_add_subnode(fdt, "/chosen"); |
| if (initrd_size) { |
| ret = qemu_devtree_setprop_cell(fdt, "/chosen", "linux,initrd-start", |
| initrd_base); |
| if (ret < 0) { |
| fprintf(stderr, "couldn't set /chosen/linux,initrd-start\n"); |
| } |
| |
| ret = qemu_devtree_setprop_cell(fdt, "/chosen", "linux,initrd-end", |
| (initrd_base + initrd_size)); |
| if (ret < 0) { |
| fprintf(stderr, "couldn't set /chosen/linux,initrd-end\n"); |
| } |
| } |
| |
| ret = qemu_devtree_setprop_string(fdt, "/chosen", "bootargs", |
| params->kernel_cmdline); |
| if (ret < 0) |
| fprintf(stderr, "couldn't set /chosen/bootargs\n"); |
| |
| if (kvm_enabled()) { |
| /* Read out host's frequencies */ |
| clock_freq = kvmppc_get_clockfreq(); |
| tb_freq = kvmppc_get_tbfreq(); |
| |
| /* indicate KVM hypercall interface */ |
| qemu_devtree_add_subnode(fdt, "/hypervisor"); |
| qemu_devtree_setprop_string(fdt, "/hypervisor", "compatible", |
| "linux,kvm"); |
| kvmppc_get_hypercall(env, hypercall, sizeof(hypercall)); |
| qemu_devtree_setprop(fdt, "/hypervisor", "hcall-instructions", |
| hypercall, sizeof(hypercall)); |
| } |
| |
| /* Create CPU nodes */ |
| qemu_devtree_add_subnode(fdt, "/cpus"); |
| qemu_devtree_setprop_cell(fdt, "/cpus", "#address-cells", 1); |
| qemu_devtree_setprop_cell(fdt, "/cpus", "#size-cells", 0); |
| |
| /* We need to generate the cpu nodes in reverse order, so Linux can pick |
| the first node as boot node and be happy */ |
| for (i = smp_cpus - 1; i >= 0; i--) { |
| char cpu_name[128]; |
| uint64_t cpu_release_addr = MPC8544_SPIN_BASE + (i * 0x20); |
| |
| for (env = first_cpu; env != NULL; env = env->next_cpu) { |
| if (env->cpu_index == i) { |
| break; |
| } |
| } |
| |
| if (!env) { |
| continue; |
| } |
| |
| snprintf(cpu_name, sizeof(cpu_name), "/cpus/PowerPC,8544@%x", env->cpu_index); |
| qemu_devtree_add_subnode(fdt, cpu_name); |
| qemu_devtree_setprop_cell(fdt, cpu_name, "clock-frequency", clock_freq); |
| qemu_devtree_setprop_cell(fdt, cpu_name, "timebase-frequency", tb_freq); |
| qemu_devtree_setprop_string(fdt, cpu_name, "device_type", "cpu"); |
| qemu_devtree_setprop_cell(fdt, cpu_name, "reg", env->cpu_index); |
| qemu_devtree_setprop_cell(fdt, cpu_name, "d-cache-line-size", |
| env->dcache_line_size); |
| qemu_devtree_setprop_cell(fdt, cpu_name, "i-cache-line-size", |
| env->icache_line_size); |
| qemu_devtree_setprop_cell(fdt, cpu_name, "d-cache-size", 0x8000); |
| qemu_devtree_setprop_cell(fdt, cpu_name, "i-cache-size", 0x8000); |
| qemu_devtree_setprop_cell(fdt, cpu_name, "bus-frequency", 0); |
| if (env->cpu_index) { |
| qemu_devtree_setprop_string(fdt, cpu_name, "status", "disabled"); |
| qemu_devtree_setprop_string(fdt, cpu_name, "enable-method", "spin-table"); |
| qemu_devtree_setprop_u64(fdt, cpu_name, "cpu-release-addr", |
| cpu_release_addr); |
| } else { |
| qemu_devtree_setprop_string(fdt, cpu_name, "status", "okay"); |
| } |
| } |
| |
| qemu_devtree_add_subnode(fdt, "/aliases"); |
| /* XXX These should go into their respective devices' code */ |
| snprintf(soc, sizeof(soc), "/soc@%llx", MPC8544_CCSRBAR_BASE); |
| qemu_devtree_add_subnode(fdt, soc); |
| qemu_devtree_setprop_string(fdt, soc, "device_type", "soc"); |
| qemu_devtree_setprop(fdt, soc, "compatible", compatible_sb, |
| sizeof(compatible_sb)); |
| qemu_devtree_setprop_cell(fdt, soc, "#address-cells", 1); |
| qemu_devtree_setprop_cell(fdt, soc, "#size-cells", 1); |
| qemu_devtree_setprop_cells(fdt, soc, "ranges", 0x0, |
| MPC8544_CCSRBAR_BASE >> 32, MPC8544_CCSRBAR_BASE, |
| MPC8544_CCSRBAR_SIZE); |
| /* XXX should contain a reasonable value */ |
| qemu_devtree_setprop_cell(fdt, soc, "bus-frequency", 0); |
| |
| snprintf(mpic, sizeof(mpic), "%s/pic@%llx", soc, |
| MPC8544_MPIC_REGS_BASE - MPC8544_CCSRBAR_BASE); |
| qemu_devtree_add_subnode(fdt, mpic); |
| qemu_devtree_setprop_string(fdt, mpic, "device_type", "open-pic"); |
| qemu_devtree_setprop_string(fdt, mpic, "compatible", "chrp,open-pic"); |
| qemu_devtree_setprop_cells(fdt, mpic, "reg", MPC8544_MPIC_REGS_BASE - |
| MPC8544_CCSRBAR_BASE, 0x40000); |
| qemu_devtree_setprop_cell(fdt, mpic, "#address-cells", 0); |
| qemu_devtree_setprop_cell(fdt, mpic, "#interrupt-cells", 2); |
| mpic_ph = qemu_devtree_alloc_phandle(fdt); |
| qemu_devtree_setprop_cell(fdt, mpic, "phandle", mpic_ph); |
| qemu_devtree_setprop_cell(fdt, mpic, "linux,phandle", mpic_ph); |
| qemu_devtree_setprop(fdt, mpic, "interrupt-controller", NULL, 0); |
| |
| /* |
| * We have to generate ser1 first, because Linux takes the first |
| * device it finds in the dt as serial output device. And we generate |
| * devices in reverse order to the dt. |
| */ |
| dt_serial_create(fdt, MPC8544_SERIAL1_REGS_BASE - MPC8544_CCSRBAR_BASE, |
| soc, mpic, "serial1", 1, false); |
| dt_serial_create(fdt, MPC8544_SERIAL0_REGS_BASE - MPC8544_CCSRBAR_BASE, |
| soc, mpic, "serial0", 0, true); |
| |
| snprintf(gutil, sizeof(gutil), "%s/global-utilities@%llx", soc, |
| MPC8544_UTIL_BASE - MPC8544_CCSRBAR_BASE); |
| qemu_devtree_add_subnode(fdt, gutil); |
| qemu_devtree_setprop_string(fdt, gutil, "compatible", "fsl,mpc8544-guts"); |
| qemu_devtree_setprop_cells(fdt, gutil, "reg", MPC8544_UTIL_BASE - |
| MPC8544_CCSRBAR_BASE, 0x1000); |
| qemu_devtree_setprop(fdt, gutil, "fsl,has-rstcr", NULL, 0); |
| |
| snprintf(pci, sizeof(pci), "/pci@%llx", MPC8544_PCI_REGS_BASE); |
| qemu_devtree_add_subnode(fdt, pci); |
| qemu_devtree_setprop_cell(fdt, pci, "cell-index", 0); |
| qemu_devtree_setprop_string(fdt, pci, "compatible", "fsl,mpc8540-pci"); |
| qemu_devtree_setprop_string(fdt, pci, "device_type", "pci"); |
| qemu_devtree_setprop_cells(fdt, pci, "interrupt-map-mask", 0xf800, 0x0, |
| 0x0, 0x7); |
| pci_map_create(fdt, pci_map, qemu_devtree_get_phandle(fdt, mpic)); |
| qemu_devtree_setprop(fdt, pci, "interrupt-map", pci_map, sizeof(pci_map)); |
| qemu_devtree_setprop_phandle(fdt, pci, "interrupt-parent", mpic); |
| qemu_devtree_setprop_cells(fdt, pci, "interrupts", 24, 2); |
| qemu_devtree_setprop_cells(fdt, pci, "bus-range", 0, 255); |
| for (i = 0; i < 14; i++) { |
| pci_ranges[i] = cpu_to_be32(pci_ranges[i]); |
| } |
| qemu_devtree_setprop(fdt, pci, "ranges", pci_ranges, sizeof(pci_ranges)); |
| qemu_devtree_setprop_cells(fdt, pci, "reg", MPC8544_PCI_REGS_BASE >> 32, |
| MPC8544_PCI_REGS_BASE, 0, 0x1000); |
| qemu_devtree_setprop_cell(fdt, pci, "clock-frequency", 66666666); |
| qemu_devtree_setprop_cell(fdt, pci, "#interrupt-cells", 1); |
| qemu_devtree_setprop_cell(fdt, pci, "#size-cells", 2); |
| qemu_devtree_setprop_cell(fdt, pci, "#address-cells", 3); |
| qemu_devtree_setprop_string(fdt, "/aliases", "pci0", pci); |
| |
| params->fixup_devtree(params, fdt); |
| |
| if (toplevel_compat) { |
| qemu_devtree_setprop(fdt, "/", "compatible", toplevel_compat, |
| strlen(toplevel_compat) + 1); |
| } |
| |
| done: |
| if (dumpdtb) { |
| /* Dump the dtb to a file and quit */ |
| FILE *f = fopen(dumpdtb, "wb"); |
| size_t len; |
| len = fwrite(fdt, fdt_size, 1, f); |
| fclose(f); |
| if (len != fdt_size) { |
| exit(1); |
| } |
| exit(0); |
| } |
| |
| ret = rom_add_blob_fixed(BINARY_DEVICE_TREE_FILE, fdt, fdt_size, addr); |
| if (ret < 0) { |
| goto out; |
| } |
| g_free(fdt); |
| ret = fdt_size; |
| |
| out: |
| |
| return ret; |
| } |
| |
| /* Create -kernel TLB entries for BookE. */ |
| static inline target_phys_addr_t booke206_page_size_to_tlb(uint64_t size) |
| { |
| return 63 - clz64(size >> 10); |
| } |
| |
| static void mmubooke_create_initial_mapping(CPUPPCState *env) |
| { |
| struct boot_info *bi = env->load_info; |
| ppcmas_tlb_t *tlb = booke206_get_tlbm(env, 1, 0, 0); |
| target_phys_addr_t size, dt_end; |
| int ps; |
| |
| /* Our initial TLB entry needs to cover everything from 0 to |
| the device tree top */ |
| dt_end = bi->dt_base + bi->dt_size; |
| ps = booke206_page_size_to_tlb(dt_end) + 1; |
| size = (ps << MAS1_TSIZE_SHIFT); |
| tlb->mas1 = MAS1_VALID | size; |
| tlb->mas2 = 0; |
| tlb->mas7_3 = 0; |
| tlb->mas7_3 |= MAS3_UR | MAS3_UW | MAS3_UX | MAS3_SR | MAS3_SW | MAS3_SX; |
| |
| env->tlb_dirty = true; |
| } |
| |
| static void ppce500_cpu_reset_sec(void *opaque) |
| { |
| PowerPCCPU *cpu = opaque; |
| CPUPPCState *env = &cpu->env; |
| |
| cpu_reset(CPU(cpu)); |
| |
| /* Secondary CPU starts in halted state for now. Needs to change when |
| implementing non-kernel boot. */ |
| env->halted = 1; |
| env->exception_index = EXCP_HLT; |
| } |
| |
| static void ppce500_cpu_reset(void *opaque) |
| { |
| PowerPCCPU *cpu = opaque; |
| CPUPPCState *env = &cpu->env; |
| struct boot_info *bi = env->load_info; |
| |
| cpu_reset(CPU(cpu)); |
| |
| /* Set initial guest state. */ |
| env->halted = 0; |
| env->gpr[1] = (16<<20) - 8; |
| env->gpr[3] = bi->dt_base; |
| env->nip = bi->entry; |
| mmubooke_create_initial_mapping(env); |
| } |
| |
| void ppce500_init(PPCE500Params *params) |
| { |
| MemoryRegion *address_space_mem = get_system_memory(); |
| MemoryRegion *ram = g_new(MemoryRegion, 1); |
| PCIBus *pci_bus; |
| CPUPPCState *env = NULL; |
| 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; |
| DeviceState *dev; |
| CPUPPCState *firstenv = NULL; |
| |
| /* Setup CPUs */ |
| if (params->cpu_model == NULL) { |
| params->cpu_model = "e500v2_v30"; |
| } |
| |
| irqs = g_malloc0(smp_cpus * sizeof(qemu_irq *)); |
| irqs[0] = g_malloc0(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB); |
| for (i = 0; i < smp_cpus; i++) { |
| PowerPCCPU *cpu; |
| qemu_irq *input; |
| |
| cpu = cpu_ppc_init(params->cpu_model); |
| if (cpu == NULL) { |
| fprintf(stderr, "Unable to initialize CPU!\n"); |
| exit(1); |
| } |
| env = &cpu->env; |
| |
| if (!firstenv) { |
| firstenv = env; |
| } |
| |
| irqs[i] = irqs[0] + (i * OPENPIC_OUTPUT_NB); |
| input = (qemu_irq *)env->irq_inputs; |
| irqs[i][OPENPIC_OUTPUT_INT] = input[PPCE500_INPUT_INT]; |
| irqs[i][OPENPIC_OUTPUT_CINT] = input[PPCE500_INPUT_CINT]; |
| env->spr[SPR_BOOKE_PIR] = env->cpu_index = i; |
| env->mpic_cpu_base = MPC8544_MPIC_REGS_BASE + 0x20000; |
| |
| ppc_booke_timers_init(env, 400000000, PPC_TIMER_E500); |
| |
| /* Register reset handler */ |
| if (!i) { |
| /* Primary CPU */ |
| struct boot_info *boot_info; |
| boot_info = g_malloc0(sizeof(struct boot_info)); |
| qemu_register_reset(ppce500_cpu_reset, cpu); |
| env->load_info = boot_info; |
| } else { |
| /* Secondary CPUs */ |
| qemu_register_reset(ppce500_cpu_reset_sec, cpu); |
| } |
| } |
| |
| env = firstenv; |
| |
| /* Fixup Memory size on a alignment boundary */ |
| ram_size &= ~(RAM_SIZES_ALIGN - 1); |
| |
| /* Register Memory */ |
| memory_region_init_ram(ram, "mpc8544ds.ram", ram_size); |
| vmstate_register_ram_global(ram); |
| memory_region_add_subregion(address_space_mem, 0, ram); |
| |
| /* MPIC */ |
| mpic = mpic_init(address_space_mem, MPC8544_MPIC_REGS_BASE, |
| smp_cpus, irqs, NULL); |
| |
| if (!mpic) { |
| cpu_abort(env, "MPIC failed to initialize\n"); |
| } |
| |
| /* Serial */ |
| if (serial_hds[0]) { |
| serial_mm_init(address_space_mem, MPC8544_SERIAL0_REGS_BASE, |
| 0, mpic[12+26], 399193, |
| serial_hds[0], DEVICE_BIG_ENDIAN); |
| } |
| |
| if (serial_hds[1]) { |
| serial_mm_init(address_space_mem, MPC8544_SERIAL1_REGS_BASE, |
| 0, mpic[12+26], 399193, |
| serial_hds[0], DEVICE_BIG_ENDIAN); |
| } |
| |
| /* General Utility device */ |
| sysbus_create_simple("mpc8544-guts", MPC8544_UTIL_BASE, NULL); |
| |
| /* PCI */ |
| dev = sysbus_create_varargs("e500-pcihost", MPC8544_PCI_REGS_BASE, |
| mpic[pci_irq_nrs[0]], mpic[pci_irq_nrs[1]], |
| mpic[pci_irq_nrs[2]], mpic[pci_irq_nrs[3]], |
| NULL); |
| pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci.0"); |
| if (!pci_bus) |
| printf("couldn't create PCI controller!\n"); |
| |
| isa_mmio_init(MPC8544_PCI_IO, MPC8544_PCI_IOLEN); |
| |
| if (pci_bus) { |
| /* Register network interfaces. */ |
| for (i = 0; i < nb_nics; i++) { |
| pci_nic_init_nofail(&nd_table[i], "virtio", NULL); |
| } |
| } |
| |
| /* Register spinning region */ |
| sysbus_create_simple("e500-spin", MPC8544_SPIN_BASE, NULL); |
| |
| /* Load kernel. */ |
| if (params->kernel_filename) { |
| kernel_size = load_uimage(params->kernel_filename, &entry, |
| &loadaddr, NULL); |
| if (kernel_size < 0) { |
| kernel_size = load_elf(params->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", |
| params->kernel_filename); |
| exit(1); |
| } |
| } |
| |
| /* Load initrd. */ |
| if (params->initrd_filename) { |
| initrd_base = (kernel_size + INITRD_LOAD_PAD) & ~INITRD_PAD_MASK; |
| initrd_size = load_image_targphys(params->initrd_filename, initrd_base, |
| ram_size - initrd_base); |
| |
| if (initrd_size < 0) { |
| fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", |
| params->initrd_filename); |
| exit(1); |
| } |
| } |
| |
| /* If we're loading a kernel directly, we must load the device tree too. */ |
| if (params->kernel_filename) { |
| struct boot_info *boot_info; |
| int dt_size; |
| |
| dt_base = (loadaddr + kernel_size + DTC_LOAD_PAD) & ~DTC_PAD_MASK; |
| dt_size = ppce500_load_device_tree(env, params, dt_base, initrd_base, |
| initrd_size); |
| if (dt_size < 0) { |
| fprintf(stderr, "couldn't load device tree\n"); |
| exit(1); |
| } |
| |
| boot_info = env->load_info; |
| boot_info->entry = entry; |
| boot_info->dt_base = dt_base; |
| boot_info->dt_size = dt_size; |
| } |
| |
| if (kvm_enabled()) { |
| kvmppc_init(); |
| } |
| } |
