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historical/m0-applesillicon.git/xnu-qemu-arm64-5.1.0/hw/sparc64/sun4u.c
ThatLinuxFan 4061214e6a phht hahahahaah
2024-01-16 11:20:27 -06:00

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/*
* QEMU Sun4u/Sun4v System Emulator
*
* Copyright (c) 2005 Fabrice Bellard
*
* 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 "qemu/error-report.h"
#include "qapi/error.h"
#include "qemu-common.h"
#include "cpu.h"
#include "hw/pci/pci.h"
#include "hw/pci/pci_bridge.h"
#include "hw/pci/pci_bus.h"
#include "hw/pci/pci_host.h"
#include "hw/qdev-properties.h"
#include "hw/pci-host/sabre.h"
#include "hw/char/serial.h"
#include "hw/char/parallel.h"
#include "hw/rtc/m48t59.h"
#include "migration/vmstate.h"
#include "hw/input/i8042.h"
#include "hw/block/fdc.h"
#include "net/net.h"
#include "qemu/timer.h"
#include "sysemu/runstate.h"
#include "sysemu/sysemu.h"
#include "hw/boards.h"
#include "hw/nvram/sun_nvram.h"
#include "hw/nvram/chrp_nvram.h"
#include "hw/sparc/sparc64.h"
#include "hw/nvram/fw_cfg.h"
#include "hw/sysbus.h"
#include "hw/ide/pci.h"
#include "hw/loader.h"
#include "hw/fw-path-provider.h"
#include "elf.h"
#include "trace.h"
#define KERNEL_LOAD_ADDR 0x00404000
#define CMDLINE_ADDR 0x003ff000
#define PROM_SIZE_MAX (4 * MiB)
#define PROM_VADDR 0x000ffd00000ULL
#define PBM_SPECIAL_BASE 0x1fe00000000ULL
#define PBM_MEM_BASE 0x1ff00000000ULL
#define PBM_PCI_IO_BASE (PBM_SPECIAL_BASE + 0x02000000ULL)
#define PROM_FILENAME "openbios-sparc64"
#define NVRAM_SIZE 0x2000
#define MAX_IDE_BUS 2
#define BIOS_CFG_IOPORT 0x510
#define FW_CFG_SPARC64_WIDTH (FW_CFG_ARCH_LOCAL + 0x00)
#define FW_CFG_SPARC64_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01)
#define FW_CFG_SPARC64_DEPTH (FW_CFG_ARCH_LOCAL + 0x02)
#define IVEC_MAX 0x40
struct hwdef {
uint16_t machine_id;
uint64_t prom_addr;
uint64_t console_serial_base;
};
typedef struct EbusState {
/*< private >*/
PCIDevice parent_obj;
ISABus *isa_bus;
qemu_irq isa_bus_irqs[ISA_NUM_IRQS];
uint64_t console_serial_base;
MemoryRegion bar0;
MemoryRegion bar1;
} EbusState;
#define TYPE_EBUS "ebus"
#define EBUS(obj) OBJECT_CHECK(EbusState, (obj), TYPE_EBUS)
const char *fw_cfg_arch_key_name(uint16_t key)
{
static const struct {
uint16_t key;
const char *name;
} fw_cfg_arch_wellknown_keys[] = {
{FW_CFG_SPARC64_WIDTH, "width"},
{FW_CFG_SPARC64_HEIGHT, "height"},
{FW_CFG_SPARC64_DEPTH, "depth"},
};
for (size_t i = 0; i < ARRAY_SIZE(fw_cfg_arch_wellknown_keys); i++) {
if (fw_cfg_arch_wellknown_keys[i].key == key) {
return fw_cfg_arch_wellknown_keys[i].name;
}
}
return NULL;
}
static void fw_cfg_boot_set(void *opaque, const char *boot_device,
Error **errp)
{
fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
}
static int sun4u_NVRAM_set_params(Nvram *nvram, uint16_t NVRAM_size,
const char *arch, ram_addr_t RAM_size,
const char *boot_devices,
uint32_t kernel_image, uint32_t kernel_size,
const char *cmdline,
uint32_t initrd_image, uint32_t initrd_size,
uint32_t NVRAM_image,
int width, int height, int depth,
const uint8_t *macaddr)
{
unsigned int i;
int sysp_end;
uint8_t image[0x1ff0];
NvramClass *k = NVRAM_GET_CLASS(nvram);
memset(image, '\0', sizeof(image));
/* OpenBIOS nvram variables partition */
sysp_end = chrp_nvram_create_system_partition(image, 0);
/* Free space partition */
chrp_nvram_create_free_partition(&image[sysp_end], 0x1fd0 - sysp_end);
Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr, 0x80);
for (i = 0; i < sizeof(image); i++) {
(k->write)(nvram, i, image[i]);
}
return 0;
}
static uint64_t sun4u_load_kernel(const char *kernel_filename,
const char *initrd_filename,
ram_addr_t RAM_size, uint64_t *initrd_size,
uint64_t *initrd_addr, uint64_t *kernel_addr,
uint64_t *kernel_entry)
{
int linux_boot;
unsigned int i;
long kernel_size;
uint8_t *ptr;
uint64_t kernel_top = 0;
linux_boot = (kernel_filename != NULL);
kernel_size = 0;
if (linux_boot) {
int bswap_needed;
#ifdef BSWAP_NEEDED
bswap_needed = 1;
#else
bswap_needed = 0;
#endif
kernel_size = load_elf(kernel_filename, NULL, NULL, NULL, kernel_entry,
kernel_addr, &kernel_top, NULL, 1, EM_SPARCV9, 0,
0);
if (kernel_size < 0) {
*kernel_addr = KERNEL_LOAD_ADDR;
*kernel_entry = KERNEL_LOAD_ADDR;
kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
RAM_size - KERNEL_LOAD_ADDR, bswap_needed,
TARGET_PAGE_SIZE);
}
if (kernel_size < 0) {
kernel_size = load_image_targphys(kernel_filename,
KERNEL_LOAD_ADDR,
RAM_size - KERNEL_LOAD_ADDR);
}
if (kernel_size < 0) {
error_report("could not load kernel '%s'", kernel_filename);
exit(1);
}
/* load initrd above kernel */
*initrd_size = 0;
if (initrd_filename && kernel_top) {
*initrd_addr = TARGET_PAGE_ALIGN(kernel_top);
*initrd_size = load_image_targphys(initrd_filename,
*initrd_addr,
RAM_size - *initrd_addr);
if ((int)*initrd_size < 0) {
error_report("could not load initial ram disk '%s'",
initrd_filename);
exit(1);
}
}
if (*initrd_size > 0) {
for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
ptr = rom_ptr(*kernel_addr + i, 32);
if (ptr && ldl_p(ptr + 8) == 0x48647253) { /* HdrS */
stl_p(ptr + 24, *initrd_addr + *kernel_addr);
stl_p(ptr + 28, *initrd_size);
break;
}
}
}
}
return kernel_size;
}
typedef struct ResetData {
SPARCCPU *cpu;
uint64_t prom_addr;
} ResetData;
#define TYPE_SUN4U_POWER "power"
#define SUN4U_POWER(obj) OBJECT_CHECK(PowerDevice, (obj), TYPE_SUN4U_POWER)
typedef struct PowerDevice {
SysBusDevice parent_obj;
MemoryRegion power_mmio;
} PowerDevice;
/* Power */
static uint64_t power_mem_read(void *opaque, hwaddr addr, unsigned size)
{
return 0;
}
static void power_mem_write(void *opaque, hwaddr addr,
uint64_t val, unsigned size)
{
/* According to a real Ultra 5, bit 24 controls the power */
if (val & 0x1000000) {
qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
}
}
static const MemoryRegionOps power_mem_ops = {
.read = power_mem_read,
.write = power_mem_write,
.endianness = DEVICE_NATIVE_ENDIAN,
.valid = {
.min_access_size = 4,
.max_access_size = 4,
},
};
static void power_realize(DeviceState *dev, Error **errp)
{
PowerDevice *d = SUN4U_POWER(dev);
SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
memory_region_init_io(&d->power_mmio, OBJECT(dev), &power_mem_ops, d,
"power", sizeof(uint32_t));
sysbus_init_mmio(sbd, &d->power_mmio);
}
static void power_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
dc->realize = power_realize;
}
static const TypeInfo power_info = {
.name = TYPE_SUN4U_POWER,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(PowerDevice),
.class_init = power_class_init,
};
static void ebus_isa_irq_handler(void *opaque, int n, int level)
{
EbusState *s = EBUS(opaque);
qemu_irq irq = s->isa_bus_irqs[n];
/* Pass ISA bus IRQs onto their gpio equivalent */
trace_ebus_isa_irq_handler(n, level);
if (irq) {
qemu_set_irq(irq, level);
}
}
/* EBUS (Eight bit bus) bridge */
static void ebus_realize(PCIDevice *pci_dev, Error **errp)
{
EbusState *s = EBUS(pci_dev);
ISADevice *isa_dev;
SysBusDevice *sbd;
DeviceState *dev;
qemu_irq *isa_irq;
DriveInfo *fd[MAX_FD];
int i;
s->isa_bus = isa_bus_new(DEVICE(pci_dev), get_system_memory(),
pci_address_space_io(pci_dev), errp);
if (!s->isa_bus) {
error_setg(errp, "unable to instantiate EBUS ISA bus");
return;
}
/* ISA bus */
isa_irq = qemu_allocate_irqs(ebus_isa_irq_handler, s, ISA_NUM_IRQS);
isa_bus_irqs(s->isa_bus, isa_irq);
qdev_init_gpio_out_named(DEVICE(s), s->isa_bus_irqs, "isa-irq",
ISA_NUM_IRQS);
/* Serial ports */
i = 0;
if (s->console_serial_base) {
serial_mm_init(pci_address_space(pci_dev), s->console_serial_base,
0, NULL, 115200, serial_hd(i), DEVICE_BIG_ENDIAN);
i++;
}
serial_hds_isa_init(s->isa_bus, i, MAX_ISA_SERIAL_PORTS);
/* Parallel ports */
parallel_hds_isa_init(s->isa_bus, MAX_PARALLEL_PORTS);
/* Keyboard */
isa_create_simple(s->isa_bus, "i8042");
/* Floppy */
for (i = 0; i < MAX_FD; i++) {
fd[i] = drive_get(IF_FLOPPY, 0, i);
}
isa_dev = isa_new(TYPE_ISA_FDC);
dev = DEVICE(isa_dev);
qdev_prop_set_uint32(dev, "dma", -1);
isa_realize_and_unref(isa_dev, s->isa_bus, &error_fatal);
isa_fdc_init_drives(isa_dev, fd);
/* Power */
dev = qdev_new(TYPE_SUN4U_POWER);
sbd = SYS_BUS_DEVICE(dev);
sysbus_realize_and_unref(sbd, &error_fatal);
memory_region_add_subregion(pci_address_space_io(pci_dev), 0x7240,
sysbus_mmio_get_region(sbd, 0));
/* PCI */
pci_dev->config[0x04] = 0x06; // command = bus master, pci mem
pci_dev->config[0x05] = 0x00;
pci_dev->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error
pci_dev->config[0x07] = 0x03; // status = medium devsel
pci_dev->config[0x09] = 0x00; // programming i/f
pci_dev->config[0x0D] = 0x0a; // latency_timer
memory_region_init_alias(&s->bar0, OBJECT(s), "bar0", get_system_io(),
0, 0x1000000);
pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar0);
memory_region_init_alias(&s->bar1, OBJECT(s), "bar1", get_system_io(),
0, 0x8000);
pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->bar1);
}
static Property ebus_properties[] = {
DEFINE_PROP_UINT64("console-serial-base", EbusState,
console_serial_base, 0),
DEFINE_PROP_END_OF_LIST(),
};
static void ebus_class_init(ObjectClass *klass, void *data)
{
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
DeviceClass *dc = DEVICE_CLASS(klass);
k->realize = ebus_realize;
k->vendor_id = PCI_VENDOR_ID_SUN;
k->device_id = PCI_DEVICE_ID_SUN_EBUS;
k->revision = 0x01;
k->class_id = PCI_CLASS_BRIDGE_OTHER;
device_class_set_props(dc, ebus_properties);
}
static const TypeInfo ebus_info = {
.name = TYPE_EBUS,
.parent = TYPE_PCI_DEVICE,
.class_init = ebus_class_init,
.instance_size = sizeof(EbusState),
.interfaces = (InterfaceInfo[]) {
{ INTERFACE_CONVENTIONAL_PCI_DEVICE },
{ },
},
};
#define TYPE_OPENPROM "openprom"
#define OPENPROM(obj) OBJECT_CHECK(PROMState, (obj), TYPE_OPENPROM)
typedef struct PROMState {
SysBusDevice parent_obj;
MemoryRegion prom;
} PROMState;
static uint64_t translate_prom_address(void *opaque, uint64_t addr)
{
hwaddr *base_addr = (hwaddr *)opaque;
return addr + *base_addr - PROM_VADDR;
}
/* Boot PROM (OpenBIOS) */
static void prom_init(hwaddr addr, const char *bios_name)
{
DeviceState *dev;
SysBusDevice *s;
char *filename;
int ret;
dev = qdev_new(TYPE_OPENPROM);
s = SYS_BUS_DEVICE(dev);
sysbus_realize_and_unref(s, &error_fatal);
sysbus_mmio_map(s, 0, addr);
/* load boot prom */
if (bios_name == NULL) {
bios_name = PROM_FILENAME;
}
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
if (filename) {
ret = load_elf(filename, NULL, translate_prom_address, &addr,
NULL, NULL, NULL, NULL, 1, EM_SPARCV9, 0, 0);
if (ret < 0 || ret > PROM_SIZE_MAX) {
ret = load_image_targphys(filename, addr, PROM_SIZE_MAX);
}
g_free(filename);
} else {
ret = -1;
}
if (ret < 0 || ret > PROM_SIZE_MAX) {
error_report("could not load prom '%s'", bios_name);
exit(1);
}
}
static void prom_realize(DeviceState *ds, Error **errp)
{
PROMState *s = OPENPROM(ds);
SysBusDevice *dev = SYS_BUS_DEVICE(ds);
Error *local_err = NULL;
memory_region_init_ram_nomigrate(&s->prom, OBJECT(ds), "sun4u.prom",
PROM_SIZE_MAX, &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
}
vmstate_register_ram_global(&s->prom);
memory_region_set_readonly(&s->prom, true);
sysbus_init_mmio(dev, &s->prom);
}
static Property prom_properties[] = {
{/* end of property list */},
};
static void prom_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
device_class_set_props(dc, prom_properties);
dc->realize = prom_realize;
}
static const TypeInfo prom_info = {
.name = TYPE_OPENPROM,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(PROMState),
.class_init = prom_class_init,
};
#define TYPE_SUN4U_MEMORY "memory"
#define SUN4U_RAM(obj) OBJECT_CHECK(RamDevice, (obj), TYPE_SUN4U_MEMORY)
typedef struct RamDevice {
SysBusDevice parent_obj;
MemoryRegion ram;
uint64_t size;
} RamDevice;
/* System RAM */
static void ram_realize(DeviceState *dev, Error **errp)
{
RamDevice *d = SUN4U_RAM(dev);
SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
memory_region_init_ram_nomigrate(&d->ram, OBJECT(d), "sun4u.ram", d->size,
&error_fatal);
vmstate_register_ram_global(&d->ram);
sysbus_init_mmio(sbd, &d->ram);
}
static void ram_init(hwaddr addr, ram_addr_t RAM_size)
{
DeviceState *dev;
SysBusDevice *s;
RamDevice *d;
/* allocate RAM */
dev = qdev_new(TYPE_SUN4U_MEMORY);
s = SYS_BUS_DEVICE(dev);
d = SUN4U_RAM(dev);
d->size = RAM_size;
sysbus_realize_and_unref(s, &error_fatal);
sysbus_mmio_map(s, 0, addr);
}
static Property ram_properties[] = {
DEFINE_PROP_UINT64("size", RamDevice, size, 0),
DEFINE_PROP_END_OF_LIST(),
};
static void ram_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
dc->realize = ram_realize;
device_class_set_props(dc, ram_properties);
}
static const TypeInfo ram_info = {
.name = TYPE_SUN4U_MEMORY,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(RamDevice),
.class_init = ram_class_init,
};
static void sun4uv_init(MemoryRegion *address_space_mem,
MachineState *machine,
const struct hwdef *hwdef)
{
SPARCCPU *cpu;
Nvram *nvram;
unsigned int i;
uint64_t initrd_addr, initrd_size, kernel_addr, kernel_size, kernel_entry;
SabreState *sabre;
PCIBus *pci_bus, *pci_busA, *pci_busB;
PCIDevice *ebus, *pci_dev;
SysBusDevice *s;
DeviceState *iommu, *dev;
FWCfgState *fw_cfg;
NICInfo *nd;
MACAddr macaddr;
bool onboard_nic;
/* init CPUs */
cpu = sparc64_cpu_devinit(machine->cpu_type, hwdef->prom_addr);
/* IOMMU */
iommu = qdev_new(TYPE_SUN4U_IOMMU);
sysbus_realize_and_unref(SYS_BUS_DEVICE(iommu), &error_fatal);
/* set up devices */
ram_init(0, machine->ram_size);
prom_init(hwdef->prom_addr, bios_name);
/* Init sabre (PCI host bridge) */
sabre = SABRE_DEVICE(qdev_new(TYPE_SABRE));
qdev_prop_set_uint64(DEVICE(sabre), "special-base", PBM_SPECIAL_BASE);
qdev_prop_set_uint64(DEVICE(sabre), "mem-base", PBM_MEM_BASE);
object_property_set_link(OBJECT(sabre), "iommu", OBJECT(iommu),
&error_abort);
sysbus_realize_and_unref(SYS_BUS_DEVICE(sabre), &error_fatal);
/* Wire up PCI interrupts to CPU */
for (i = 0; i < IVEC_MAX; i++) {
qdev_connect_gpio_out_named(DEVICE(sabre), "ivec-irq", i,
qdev_get_gpio_in_named(DEVICE(cpu), "ivec-irq", i));
}
pci_bus = PCI_HOST_BRIDGE(sabre)->bus;
pci_busA = pci_bridge_get_sec_bus(sabre->bridgeA);
pci_busB = pci_bridge_get_sec_bus(sabre->bridgeB);
/* Only in-built Simba APBs can exist on the root bus, slot 0 on busA is
reserved (leaving no slots free after on-board devices) however slots
0-3 are free on busB */
pci_bus->slot_reserved_mask = 0xfffffffc;
pci_busA->slot_reserved_mask = 0xfffffff1;
pci_busB->slot_reserved_mask = 0xfffffff0;
ebus = pci_new_multifunction(PCI_DEVFN(1, 0), true, TYPE_EBUS);
qdev_prop_set_uint64(DEVICE(ebus), "console-serial-base",
hwdef->console_serial_base);
pci_realize_and_unref(ebus, pci_busA, &error_fatal);
/* Wire up "well-known" ISA IRQs to PBM legacy obio IRQs */
qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 7,
qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_LPT_IRQ));
qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 6,
qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_FDD_IRQ));
qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 1,
qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_KBD_IRQ));
qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 12,
qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_MSE_IRQ));
qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 4,
qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_SER_IRQ));
switch (vga_interface_type) {
case VGA_STD:
pci_create_simple(pci_busA, PCI_DEVFN(2, 0), "VGA");
break;
case VGA_NONE:
break;
default:
abort(); /* Should not happen - types are checked in vl.c already */
}
memset(&macaddr, 0, sizeof(MACAddr));
onboard_nic = false;
for (i = 0; i < nb_nics; i++) {
PCIBus *bus;
nd = &nd_table[i];
if (!nd->model || strcmp(nd->model, "sunhme") == 0) {
if (!onboard_nic) {
pci_dev = pci_new_multifunction(PCI_DEVFN(1, 1),
true, "sunhme");
bus = pci_busA;
memcpy(&macaddr, &nd->macaddr.a, sizeof(MACAddr));
onboard_nic = true;
} else {
pci_dev = pci_new(-1, "sunhme");
bus = pci_busB;
}
} else {
pci_dev = pci_new(-1, nd->model);
bus = pci_busB;
}
dev = &pci_dev->qdev;
qdev_set_nic_properties(dev, nd);
pci_realize_and_unref(pci_dev, bus, &error_fatal);
}
/* If we don't have an onboard NIC, grab a default MAC address so that
* we have a valid machine id */
if (!onboard_nic) {
qemu_macaddr_default_if_unset(&macaddr);
}
pci_dev = pci_new(PCI_DEVFN(3, 0), "cmd646-ide");
qdev_prop_set_uint32(&pci_dev->qdev, "secondary", 1);
pci_realize_and_unref(pci_dev, pci_busA, &error_fatal);
pci_ide_create_devs(pci_dev);
/* Map NVRAM into I/O (ebus) space */
nvram = m48t59_init(NULL, 0, 0, NVRAM_SIZE, 1968, 59);
s = SYS_BUS_DEVICE(nvram);
memory_region_add_subregion(pci_address_space_io(ebus), 0x2000,
sysbus_mmio_get_region(s, 0));
initrd_size = 0;
initrd_addr = 0;
kernel_size = sun4u_load_kernel(machine->kernel_filename,
machine->initrd_filename,
ram_size, &initrd_size, &initrd_addr,
&kernel_addr, &kernel_entry);
sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", machine->ram_size,
machine->boot_order,
kernel_addr, kernel_size,
machine->kernel_cmdline,
initrd_addr, initrd_size,
/* XXX: need an option to load a NVRAM image */
0,
graphic_width, graphic_height, graphic_depth,
(uint8_t *)&macaddr);
dev = qdev_new(TYPE_FW_CFG_IO);
qdev_prop_set_bit(dev, "dma_enabled", false);
object_property_add_child(OBJECT(ebus), TYPE_FW_CFG, OBJECT(dev));
sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
memory_region_add_subregion(pci_address_space_io(ebus), BIOS_CFG_IOPORT,
&FW_CFG_IO(dev)->comb_iomem);
fw_cfg = FW_CFG(dev);
fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)machine->smp.cpus);
fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_entry);
fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
if (machine->kernel_cmdline) {
fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
strlen(machine->kernel_cmdline) + 1);
fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, machine->kernel_cmdline);
} else {
fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0);
}
fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr);
fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, machine->boot_order[0]);
fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_WIDTH, graphic_width);
fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_HEIGHT, graphic_height);
fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_DEPTH, graphic_depth);
qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
}
enum {
sun4u_id = 0,
sun4v_id = 64,
};
/*
* Implementation of an interface to adjust firmware path
* for the bootindex property handling.
*/
static char *sun4u_fw_dev_path(FWPathProvider *p, BusState *bus,
DeviceState *dev)
{
PCIDevice *pci;
IDEBus *ide_bus;
IDEState *ide_s;
int bus_id;
if (!strcmp(object_get_typename(OBJECT(dev)), "pbm-bridge")) {
pci = PCI_DEVICE(dev);
if (PCI_FUNC(pci->devfn)) {
return g_strdup_printf("pci@%x,%x", PCI_SLOT(pci->devfn),
PCI_FUNC(pci->devfn));
} else {
return g_strdup_printf("pci@%x", PCI_SLOT(pci->devfn));
}
}
if (!strcmp(object_get_typename(OBJECT(dev)), "ide-drive")) {
ide_bus = IDE_BUS(qdev_get_parent_bus(dev));
ide_s = idebus_active_if(ide_bus);
bus_id = ide_bus->bus_id;
if (ide_s->drive_kind == IDE_CD) {
return g_strdup_printf("ide@%x/cdrom", bus_id);
}
return g_strdup_printf("ide@%x/disk", bus_id);
}
if (!strcmp(object_get_typename(OBJECT(dev)), "ide-hd")) {
return g_strdup("disk");
}
if (!strcmp(object_get_typename(OBJECT(dev)), "ide-cd")) {
return g_strdup("cdrom");
}
if (!strcmp(object_get_typename(OBJECT(dev)), "virtio-blk-device")) {
return g_strdup("disk");
}
return NULL;
}
static const struct hwdef hwdefs[] = {
/* Sun4u generic PC-like machine */
{
.machine_id = sun4u_id,
.prom_addr = 0x1fff0000000ULL,
.console_serial_base = 0,
},
/* Sun4v generic PC-like machine */
{
.machine_id = sun4v_id,
.prom_addr = 0x1fff0000000ULL,
.console_serial_base = 0,
},
};
/* Sun4u hardware initialisation */
static void sun4u_init(MachineState *machine)
{
sun4uv_init(get_system_memory(), machine, &hwdefs[0]);
}
/* Sun4v hardware initialisation */
static void sun4v_init(MachineState *machine)
{
sun4uv_init(get_system_memory(), machine, &hwdefs[1]);
}
static void sun4u_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
mc->desc = "Sun4u platform";
mc->init = sun4u_init;
mc->block_default_type = IF_IDE;
mc->max_cpus = 1; /* XXX for now */
mc->is_default = true;
mc->default_boot_order = "c";
mc->default_cpu_type = SPARC_CPU_TYPE_NAME("TI-UltraSparc-IIi");
mc->ignore_boot_device_suffixes = true;
mc->default_display = "std";
fwc->get_dev_path = sun4u_fw_dev_path;
}
static const TypeInfo sun4u_type = {
.name = MACHINE_TYPE_NAME("sun4u"),
.parent = TYPE_MACHINE,
.class_init = sun4u_class_init,
.interfaces = (InterfaceInfo[]) {
{ TYPE_FW_PATH_PROVIDER },
{ }
},
};
static void sun4v_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
mc->desc = "Sun4v platform";
mc->init = sun4v_init;
mc->block_default_type = IF_IDE;
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_display = "std";
}
static const TypeInfo sun4v_type = {
.name = MACHINE_TYPE_NAME("sun4v"),
.parent = TYPE_MACHINE,
.class_init = sun4v_class_init,
};
static void sun4u_register_types(void)
{
type_register_static(&power_info);
type_register_static(&ebus_info);
type_register_static(&prom_info);
type_register_static(&ram_info);
type_register_static(&sun4u_type);
type_register_static(&sun4v_type);
}
type_init(sun4u_register_types)
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