| /* |
| * 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-common.h" |
| #include "cpu.h" |
| #include "hw/hw.h" |
| #include "hw/boards.h" |
| #include "hw/char/serial.h" |
| #include "hw/empty_slot.h" |
| #include "hw/loader.h" |
| #include "hw/sparc/sparc64.h" |
| #include "hw/timer/sun4v-rtc.h" |
| #include "exec/address-spaces.h" |
| #include "sysemu/block-backend.h" |
| #include "qemu/error-report.h" |
| #include "sysemu/qtest.h" |
| |
| |
| typedef struct NiagaraBoardState { |
| MemoryRegion hv_ram; |
| MemoryRegion partition_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 |
| #define NIAGARA_UART_BASE 0x1f10000000ULL |
| |
| /* 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 * 1024 * 1024) |
| |
| 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_allocate_system_memory(&s->hv_ram, NULL, "sun4v-hv.ram", |
| NIAGARA_HV_RAM_SIZE); |
| memory_region_add_subregion(sysmem, NIAGARA_HV_RAM_BASE, &s->hv_ram); |
| |
| memory_region_allocate_system_memory(&s->partition_ram, NULL, |
| "sun4v-partition.ram", |
| machine->ram_size); |
| memory_region_add_subregion(sysmem, NIAGARA_PARTITION_RAM_BASE, |
| &s->partition_ram); |
| |
| memory_region_allocate_system_memory(&s->nvram, NULL, |
| "sun4v.nvram", NIAGARA_NVRAM_SIZE); |
| memory_region_add_subregion(sysmem, NIAGARA_NVRAM_BASE, &s->nvram); |
| memory_region_allocate_system_memory(&s->md_rom, NULL, |
| "sun4v-md.rom", NIAGARA_MD_ROM_SIZE); |
| memory_region_add_subregion(sysmem, NIAGARA_MD_ROM_BASE, &s->md_rom); |
| memory_region_allocate_system_memory(&s->hv_rom, NULL, |
| "sun4v-hv.rom", NIAGARA_HV_ROM_SIZE); |
| memory_region_add_subregion(sysmem, NIAGARA_HV_ROM_BASE, &s->hv_rom); |
| memory_region_allocate_system_memory(&s->prom, NULL, |
| "sun4v.prom", PROM_SIZE_MAX); |
| 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_allocate_system_memory(&s->vdisk_ram, NULL, |
| "sun4v_vdisk.ram", size); |
| 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); |
| } |
| } |
| if (serial_hds[0]) { |
| serial_mm_init(sysmem, NIAGARA_UART_BASE, 0, NULL, 115200, |
| serial_hds[0], DEVICE_BIG_ENDIAN); |
| } |
| empty_slot_init(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"); |
| } |
| |
| 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) |
