diff options
Diffstat (limited to 'qemu/hw/alpha/dp264.c')
| -rw-r--r-- | qemu/hw/alpha/dp264.c | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/qemu/hw/alpha/dp264.c b/qemu/hw/alpha/dp264.c deleted file mode 100644 index f1267b544..000000000 --- a/qemu/hw/alpha/dp264.c +++ /dev/null @@ -1,184 +0,0 @@ -/* - * QEMU Alpha DP264/CLIPPER hardware system emulator. - * - * Choose CLIPPER IRQ mappings over, say, DP264, MONET, or WEBBRICK - * variants because CLIPPER doesn't have an SMC669 SuperIO controller - * that we need to emulate as well. - */ - -#include "qemu/osdep.h" -#include "qemu-common.h" -#include "cpu.h" -#include "hw/hw.h" -#include "elf.h" -#include "hw/loader.h" -#include "hw/boards.h" -#include "alpha_sys.h" -#include "qemu/error-report.h" -#include "sysemu/sysemu.h" -#include "hw/timer/mc146818rtc.h" -#include "hw/ide.h" -#include "hw/timer/i8254.h" -#include "hw/char/serial.h" -#include "qemu/cutils.h" - -#define MAX_IDE_BUS 2 - -static uint64_t cpu_alpha_superpage_to_phys(void *opaque, uint64_t addr) -{ - if (((addr >> 41) & 3) == 2) { - addr &= 0xffffffffffull; - } - return addr; -} - -/* Note that there are at least 3 viewpoints of IRQ numbers on Alpha systems. - (0) The dev_irq_n lines into the cpu, which we totally ignore, - (1) The DRIR lines in the typhoon chipset, - (2) The "vector" aka mangled interrupt number reported by SRM PALcode, - (3) The interrupt number assigned by the kernel. - The following function is concerned with (1) only. */ - -static int clipper_pci_map_irq(PCIDevice *d, int irq_num) -{ - int slot = d->devfn >> 3; - - assert(irq_num >= 0 && irq_num <= 3); - - return (slot + 1) * 4 + irq_num; -} - -static void clipper_init(MachineState *machine) -{ - ram_addr_t ram_size = machine->ram_size; - const char *cpu_model = machine->cpu_model; - const char *kernel_filename = machine->kernel_filename; - const char *kernel_cmdline = machine->kernel_cmdline; - const char *initrd_filename = machine->initrd_filename; - AlphaCPU *cpus[4]; - PCIBus *pci_bus; - ISABus *isa_bus; - qemu_irq rtc_irq; - long size, i; - char *palcode_filename; - uint64_t palcode_entry, palcode_low, palcode_high; - uint64_t kernel_entry, kernel_low, kernel_high; - - /* Create up to 4 cpus. */ - memset(cpus, 0, sizeof(cpus)); - for (i = 0; i < smp_cpus; ++i) { - cpus[i] = cpu_alpha_init(cpu_model ? cpu_model : "ev67"); - } - - cpus[0]->env.trap_arg0 = ram_size; - cpus[0]->env.trap_arg1 = 0; - cpus[0]->env.trap_arg2 = smp_cpus; - - /* Init the chipset. */ - pci_bus = typhoon_init(ram_size, &isa_bus, &rtc_irq, cpus, - clipper_pci_map_irq); - - /* Since we have an SRM-compatible PALcode, use the SRM epoch. */ - rtc_init(isa_bus, 1900, rtc_irq); - - pit_init(isa_bus, 0x40, 0, NULL); - isa_create_simple(isa_bus, "i8042"); - - /* VGA setup. Don't bother loading the bios. */ - pci_vga_init(pci_bus); - - /* Serial code setup. */ - serial_hds_isa_init(isa_bus, MAX_SERIAL_PORTS); - - /* Network setup. e1000 is good enough, failing Tulip support. */ - for (i = 0; i < nb_nics; i++) { - pci_nic_init_nofail(&nd_table[i], pci_bus, "e1000", NULL); - } - - /* IDE disk setup. */ - { - DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; - ide_drive_get(hd, ARRAY_SIZE(hd)); - - pci_cmd646_ide_init(pci_bus, hd, 0); - } - - /* Load PALcode. Given that this is not "real" cpu palcode, - but one explicitly written for the emulation, we might as - well load it directly from and ELF image. */ - palcode_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, - bios_name ? bios_name : "palcode-clipper"); - if (palcode_filename == NULL) { - error_report("no palcode provided"); - exit(1); - } - size = load_elf(palcode_filename, cpu_alpha_superpage_to_phys, - NULL, &palcode_entry, &palcode_low, &palcode_high, - 0, EM_ALPHA, 0, 0); - if (size < 0) { - error_report("could not load palcode '%s'", palcode_filename); - exit(1); - } - g_free(palcode_filename); - - /* Start all cpus at the PALcode RESET entry point. */ - for (i = 0; i < smp_cpus; ++i) { - cpus[i]->env.pal_mode = 1; - cpus[i]->env.pc = palcode_entry; - cpus[i]->env.palbr = palcode_entry; - } - - /* Load a kernel. */ - if (kernel_filename) { - uint64_t param_offset; - - size = load_elf(kernel_filename, cpu_alpha_superpage_to_phys, - NULL, &kernel_entry, &kernel_low, &kernel_high, - 0, EM_ALPHA, 0, 0); - if (size < 0) { - error_report("could not load kernel '%s'", kernel_filename); - exit(1); - } - - cpus[0]->env.trap_arg1 = kernel_entry; - - param_offset = kernel_low - 0x6000; - - if (kernel_cmdline) { - pstrcpy_targphys("cmdline", param_offset, 0x100, kernel_cmdline); - } - - if (initrd_filename) { - long initrd_base, initrd_size; - - initrd_size = get_image_size(initrd_filename); - if (initrd_size < 0) { - error_report("could not load initial ram disk '%s'", - initrd_filename); - exit(1); - } - - /* Put the initrd image as high in memory as possible. */ - initrd_base = (ram_size - initrd_size) & TARGET_PAGE_MASK; - load_image_targphys(initrd_filename, initrd_base, - ram_size - initrd_base); - - address_space_stq(&address_space_memory, param_offset + 0x100, - initrd_base + 0xfffffc0000000000ULL, - MEMTXATTRS_UNSPECIFIED, - NULL); - address_space_stq(&address_space_memory, param_offset + 0x108, - initrd_size, MEMTXATTRS_UNSPECIFIED, NULL); - } - } -} - -static void clipper_machine_init(MachineClass *mc) -{ - mc->desc = "Alpha DP264/CLIPPER"; - mc->init = clipper_init; - mc->max_cpus = 4; - mc->is_default = 1; -} - -DEFINE_MACHINE("clipper", clipper_machine_init) |