/* * QEMU Sun4v/Niagara System Emulator * * Copyright (c) 2016 Artyom Tarasenko * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #include "qemu/osdep.h" #include "qemu/units.h" #include "cpu.h" #include "hw/boards.h" #include "hw/char/serial.h" #include "hw/misc/unimp.h" #include "hw/loader.h" #include "hw/sparc/sparc64.h" #include "hw/rtc/sun4v-rtc.h" #include "exec/address-spaces.h" #include "sysemu/block-backend.h" #include "qemu/error-report.h" #include "sysemu/qtest.h" #include "sysemu/sysemu.h" #include "qapi/error.h" typedef struct NiagaraBoardState { MemoryRegion hv_ram; MemoryRegion nvram; MemoryRegion md_rom; MemoryRegion hv_rom; MemoryRegion vdisk_ram; MemoryRegion prom; } NiagaraBoardState; #define NIAGARA_HV_RAM_BASE 0x100000ULL #define NIAGARA_HV_RAM_SIZE 0x3f00000ULL /* 63 MiB */ #define NIAGARA_PARTITION_RAM_BASE 0x80000000ULL #define NIAGARA_UART_BASE 0x1f10000000ULL #define NIAGARA_NVRAM_BASE 0x1f11000000ULL #define NIAGARA_NVRAM_SIZE 0x2000 #define NIAGARA_MD_ROM_BASE 0x1f12000000ULL #define NIAGARA_MD_ROM_SIZE 0x2000 #define NIAGARA_HV_ROM_BASE 0x1f12080000ULL #define NIAGARA_HV_ROM_SIZE 0x2000 #define NIAGARA_IOBBASE 0x9800000000ULL #define NIAGARA_IOBSIZE 0x0100000000ULL #define NIAGARA_VDISK_BASE 0x1f40000000ULL #define NIAGARA_RTC_BASE 0xfff0c1fff8ULL /* Firmware layout * * |------------------| * | openboot.bin | * |------------------| PROM_ADDR + OBP_OFFSET * | q.bin | * |------------------| PROM_ADDR + Q_OFFSET * | reset.bin | * |------------------| PROM_ADDR */ #define NIAGARA_PROM_BASE 0xfff0000000ULL #define NIAGARA_Q_OFFSET 0x10000ULL #define NIAGARA_OBP_OFFSET 0x80000ULL #define PROM_SIZE_MAX (4 * MiB) static void add_rom_or_fail(const char *file, const hwaddr addr) { /* XXX remove qtest_enabled() check once firmware files are * in the qemu tree */ if (!qtest_enabled() && rom_add_file_fixed(file, addr, -1)) { error_report("Unable to load a firmware for -M niagara"); exit(1); } } /* Niagara hardware initialisation */ static void niagara_init(MachineState *machine) { NiagaraBoardState *s = g_new(NiagaraBoardState, 1); DriveInfo *dinfo = drive_get_next(IF_PFLASH); MemoryRegion *sysmem = get_system_memory(); /* init CPUs */ sparc64_cpu_devinit(machine->cpu_type, NIAGARA_PROM_BASE); /* set up devices */ memory_region_init_ram(&s->hv_ram, NULL, "sun4v-hv.ram", NIAGARA_HV_RAM_SIZE, &error_fatal); memory_region_add_subregion(sysmem, NIAGARA_HV_RAM_BASE, &s->hv_ram); memory_region_add_subregion(sysmem, NIAGARA_PARTITION_RAM_BASE, machine->ram); memory_region_init_ram(&s->nvram, NULL, "sun4v.nvram", NIAGARA_NVRAM_SIZE, &error_fatal); memory_region_add_subregion(sysmem, NIAGARA_NVRAM_BASE, &s->nvram); memory_region_init_ram(&s->md_rom, NULL, "sun4v-md.rom", NIAGARA_MD_ROM_SIZE, &error_fatal); memory_region_add_subregion(sysmem, NIAGARA_MD_ROM_BASE, &s->md_rom); memory_region_init_ram(&s->hv_rom, NULL, "sun4v-hv.rom", NIAGARA_HV_ROM_SIZE, &error_fatal); memory_region_add_subregion(sysmem, NIAGARA_HV_ROM_BASE, &s->hv_rom); memory_region_init_ram(&s->prom, NULL, "sun4v.prom", PROM_SIZE_MAX, &error_fatal); memory_region_add_subregion(sysmem, NIAGARA_PROM_BASE, &s->prom); add_rom_or_fail("nvram1", NIAGARA_NVRAM_BASE); add_rom_or_fail("1up-md.bin", NIAGARA_MD_ROM_BASE); add_rom_or_fail("1up-hv.bin", NIAGARA_HV_ROM_BASE); add_rom_or_fail("reset.bin", NIAGARA_PROM_BASE); add_rom_or_fail("q.bin", NIAGARA_PROM_BASE + NIAGARA_Q_OFFSET); add_rom_or_fail("openboot.bin", NIAGARA_PROM_BASE + NIAGARA_OBP_OFFSET); /* the virtual ramdisk is kind of initrd, but it resides outside of the partition RAM */ if (dinfo) { BlockBackend *blk = blk_by_legacy_dinfo(dinfo); int size = blk_getlength(blk); if (size > 0) { memory_region_init_ram(&s->vdisk_ram, NULL, "sun4v_vdisk.ram", size, &error_fatal); memory_region_add_subregion(get_system_memory(), NIAGARA_VDISK_BASE, &s->vdisk_ram); dinfo->is_default = 1; rom_add_file_fixed(blk_bs(blk)->filename, NIAGARA_VDISK_BASE, -1); } else { error_report("could not load ram disk '%s'", blk_bs(blk)->filename); exit(1); } } serial_mm_init(sysmem, NIAGARA_UART_BASE, 0, NULL, 115200, serial_hd(0), DEVICE_BIG_ENDIAN); create_unimplemented_device("sun4v-iob", NIAGARA_IOBBASE, NIAGARA_IOBSIZE); sun4v_rtc_init(NIAGARA_RTC_BASE); } static void niagara_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); mc->desc = "Sun4v platform, Niagara"; mc->init = niagara_init; mc->max_cpus = 1; /* XXX for now */ mc->default_boot_order = "c"; mc->default_cpu_type = SPARC_CPU_TYPE_NAME("Sun-UltraSparc-T1"); mc->default_ram_id = "sun4v-partition.ram"; } static const TypeInfo niagara_type = { .name = MACHINE_TYPE_NAME("niagara"), .parent = TYPE_MACHINE, .class_init = niagara_class_init, }; static void niagara_register_types(void) { type_register_static(&niagara_type); } type_init(niagara_register_types)