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qemu-patch-raspberry4/hw/sun4u.c
Alexander Graf 968d683c04 isa_mmio: Always use little endian 
This patch converts the ISA MMIO bridge code to always use little endian mmio.
All bswap code that existed was only there to convert from native cpu
endianness to little endian ISA devices.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-12-11 15:24:26 +00:00

943 lines
27 KiB
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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 "hw.h"
#include "pci.h"
#include "apb_pci.h"
#include "pc.h"
#include "nvram.h"
#include "fdc.h"
#include "net.h"
#include "qemu-timer.h"
#include "sysemu.h"
#include "boards.h"
#include "firmware_abi.h"
#include "fw_cfg.h"
#include "sysbus.h"
#include "ide.h"
#include "loader.h"
#include "elf.h"
#include "blockdev.h"
//#define DEBUG_IRQ
//#define DEBUG_EBUS
//#define DEBUG_TIMER
#ifdef DEBUG_IRQ
#define CPUIRQ_DPRINTF(fmt, ...) \
do { printf("CPUIRQ: " fmt , ## __VA_ARGS__); } while (0)
#else
#define CPUIRQ_DPRINTF(fmt, ...)
#endif
#ifdef DEBUG_EBUS
#define EBUS_DPRINTF(fmt, ...) \
do { printf("EBUS: " fmt , ## __VA_ARGS__); } while (0)
#else
#define EBUS_DPRINTF(fmt, ...)
#endif
#ifdef DEBUG_TIMER
#define TIMER_DPRINTF(fmt, ...) \
do { printf("TIMER: " fmt , ## __VA_ARGS__); } while (0)
#else
#define TIMER_DPRINTF(fmt, ...)
#endif
#define KERNEL_LOAD_ADDR 0x00404000
#define CMDLINE_ADDR 0x003ff000
#define INITRD_LOAD_ADDR 0x00300000
#define PROM_SIZE_MAX (4 * 1024 * 1024)
#define PROM_VADDR 0x000ffd00000ULL
#define APB_SPECIAL_BASE 0x1fe00000000ULL
#define APB_MEM_BASE 0x1ff00000000ULL
#define APB_PCI_IO_BASE (APB_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 MAX_PILS 16
#define TICK_MAX 0x7fffffffffffffffULL
struct hwdef {
const char * const default_cpu_model;
uint16_t machine_id;
uint64_t prom_addr;
uint64_t console_serial_base;
};
int DMA_get_channel_mode (int nchan)
{
return 0;
}
int DMA_read_memory (int nchan, void *buf, int pos, int size)
{
return 0;
}
int DMA_write_memory (int nchan, void *buf, int pos, int size)
{
return 0;
}
void DMA_hold_DREQ (int nchan) {}
void DMA_release_DREQ (int nchan) {}
void DMA_schedule(int nchan) {}
void DMA_init(int high_page_enable, qemu_irq *cpu_request_exit)
{
}
void DMA_register_channel (int nchan,
DMA_transfer_handler transfer_handler,
void *opaque)
{
}
static int fw_cfg_boot_set(void *opaque, const char *boot_device)
{
fw_cfg_add_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
return 0;
}
static int sun4u_NVRAM_set_params(M48t59State *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;
uint32_t start, end;
uint8_t image[0x1ff0];
struct OpenBIOS_nvpart_v1 *part_header;
memset(image, '\0', sizeof(image));
start = 0;
// OpenBIOS nvram variables
// Variable partition
part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
part_header->signature = OPENBIOS_PART_SYSTEM;
pstrcpy(part_header->name, sizeof(part_header->name), "system");
end = start + sizeof(struct OpenBIOS_nvpart_v1);
for (i = 0; i < nb_prom_envs; i++)
end = OpenBIOS_set_var(image, end, prom_envs[i]);
// End marker
image[end++] = '\0';
end = start + ((end - start + 15) & ~15);
OpenBIOS_finish_partition(part_header, end - start);
// free partition
start = end;
part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
part_header->signature = OPENBIOS_PART_FREE;
pstrcpy(part_header->name, sizeof(part_header->name), "free");
end = 0x1fd0;
OpenBIOS_finish_partition(part_header, end - start);
Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr, 0x80);
for (i = 0; i < sizeof(image); i++)
m48t59_write(nvram, i, image[i]);
return 0;
}
static unsigned long sun4u_load_kernel(const char *kernel_filename,
const char *initrd_filename,
ram_addr_t RAM_size, long *initrd_size)
{
int linux_boot;
unsigned int i;
long kernel_size;
uint8_t *ptr;
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,
NULL, NULL, 1, ELF_MACHINE, 0);
if (kernel_size < 0)
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) {
fprintf(stderr, "qemu: could not load kernel '%s'\n",
kernel_filename);
exit(1);
}
/* load initrd */
*initrd_size = 0;
if (initrd_filename) {
*initrd_size = load_image_targphys(initrd_filename,
INITRD_LOAD_ADDR,
RAM_size - INITRD_LOAD_ADDR);
if (*initrd_size < 0) {
fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
initrd_filename);
exit(1);
}
}
if (*initrd_size > 0) {
for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
ptr = rom_ptr(KERNEL_LOAD_ADDR + i);
if (ldl_p(ptr + 8) == 0x48647253) { /* HdrS */
stl_p(ptr + 24, INITRD_LOAD_ADDR + KERNEL_LOAD_ADDR - 0x4000);
stl_p(ptr + 28, *initrd_size);
break;
}
}
}
}
return kernel_size;
}
void pic_info(Monitor *mon)
{
}
void irq_info(Monitor *mon)
{
}
void cpu_check_irqs(CPUState *env)
{
uint32_t pil = env->pil_in |
(env->softint & ~(SOFTINT_TIMER | SOFTINT_STIMER));
/* check if TM or SM in SOFTINT are set
setting these also causes interrupt 14 */
if (env->softint & (SOFTINT_TIMER | SOFTINT_STIMER)) {
pil |= 1 << 14;
}
if (!pil) {
if (env->interrupt_request & CPU_INTERRUPT_HARD) {
CPUIRQ_DPRINTF("Reset CPU IRQ (current interrupt %x)\n",
env->interrupt_index);
env->interrupt_index = 0;
cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
}
return;
}
if (cpu_interrupts_enabled(env)) {
unsigned int i;
for (i = 15; i > env->psrpil; i--) {
if (pil & (1 << i)) {
int old_interrupt = env->interrupt_index;
int new_interrupt = TT_EXTINT | i;
if (env->tl > 0 && cpu_tsptr(env)->tt > new_interrupt) {
CPUIRQ_DPRINTF("Not setting CPU IRQ: TL=%d "
"current %x >= pending %x\n",
env->tl, cpu_tsptr(env)->tt, new_interrupt);
} else if (old_interrupt != new_interrupt) {
env->interrupt_index = new_interrupt;
CPUIRQ_DPRINTF("Set CPU IRQ %d old=%x new=%x\n", i,
old_interrupt, new_interrupt);
cpu_interrupt(env, CPU_INTERRUPT_HARD);
}
break;
}
}
} else {
CPUIRQ_DPRINTF("Interrupts disabled, pil=%08x pil_in=%08x softint=%08x "
"current interrupt %x\n",
pil, env->pil_in, env->softint, env->interrupt_index);
}
}
static void cpu_kick_irq(CPUState *env)
{
env->halted = 0;
cpu_check_irqs(env);
}
static void cpu_set_irq(void *opaque, int irq, int level)
{
CPUState *env = opaque;
if (level) {
CPUIRQ_DPRINTF("Raise CPU IRQ %d\n", irq);
env->halted = 0;
env->pil_in |= 1 << irq;
cpu_check_irqs(env);
} else {
CPUIRQ_DPRINTF("Lower CPU IRQ %d\n", irq);
env->pil_in &= ~(1 << irq);
cpu_check_irqs(env);
}
}
typedef struct ResetData {
CPUState *env;
uint64_t prom_addr;
} ResetData;
void cpu_put_timer(QEMUFile *f, CPUTimer *s)
{
qemu_put_be32s(f, &s->frequency);
qemu_put_be32s(f, &s->disabled);
qemu_put_be64s(f, &s->disabled_mask);
qemu_put_sbe64s(f, &s->clock_offset);
qemu_put_timer(f, s->qtimer);
}
void cpu_get_timer(QEMUFile *f, CPUTimer *s)
{
qemu_get_be32s(f, &s->frequency);
qemu_get_be32s(f, &s->disabled);
qemu_get_be64s(f, &s->disabled_mask);
qemu_get_sbe64s(f, &s->clock_offset);
qemu_get_timer(f, s->qtimer);
}
static CPUTimer* cpu_timer_create(const char* name, CPUState *env,
QEMUBHFunc *cb, uint32_t frequency,
uint64_t disabled_mask)
{
CPUTimer *timer = qemu_mallocz(sizeof (CPUTimer));
timer->name = name;
timer->frequency = frequency;
timer->disabled_mask = disabled_mask;
timer->disabled = 1;
timer->clock_offset = qemu_get_clock(vm_clock);
timer->qtimer = qemu_new_timer(vm_clock, cb, env);
return timer;
}
static void cpu_timer_reset(CPUTimer *timer)
{
timer->disabled = 1;
timer->clock_offset = qemu_get_clock(vm_clock);
qemu_del_timer(timer->qtimer);
}
static void main_cpu_reset(void *opaque)
{
ResetData *s = (ResetData *)opaque;
CPUState *env = s->env;
static unsigned int nr_resets;
cpu_reset(env);
cpu_timer_reset(env->tick);
cpu_timer_reset(env->stick);
cpu_timer_reset(env->hstick);
env->gregs[1] = 0; // Memory start
env->gregs[2] = ram_size; // Memory size
env->gregs[3] = 0; // Machine description XXX
if (nr_resets++ == 0) {
/* Power on reset */
env->pc = s->prom_addr + 0x20ULL;
} else {
env->pc = s->prom_addr + 0x40ULL;
}
env->npc = env->pc + 4;
}
static void tick_irq(void *opaque)
{
CPUState *env = opaque;
CPUTimer* timer = env->tick;
if (timer->disabled) {
CPUIRQ_DPRINTF("tick_irq: softint disabled\n");
return;
} else {
CPUIRQ_DPRINTF("tick: fire\n");
}
env->softint |= SOFTINT_TIMER;
cpu_kick_irq(env);
}
static void stick_irq(void *opaque)
{
CPUState *env = opaque;
CPUTimer* timer = env->stick;
if (timer->disabled) {
CPUIRQ_DPRINTF("stick_irq: softint disabled\n");
return;
} else {
CPUIRQ_DPRINTF("stick: fire\n");
}
env->softint |= SOFTINT_STIMER;
cpu_kick_irq(env);
}
static void hstick_irq(void *opaque)
{
CPUState *env = opaque;
CPUTimer* timer = env->hstick;
if (timer->disabled) {
CPUIRQ_DPRINTF("hstick_irq: softint disabled\n");
return;
} else {
CPUIRQ_DPRINTF("hstick: fire\n");
}
env->softint |= SOFTINT_STIMER;
cpu_kick_irq(env);
}
static int64_t cpu_to_timer_ticks(int64_t cpu_ticks, uint32_t frequency)
{
return muldiv64(cpu_ticks, get_ticks_per_sec(), frequency);
}
static uint64_t timer_to_cpu_ticks(int64_t timer_ticks, uint32_t frequency)
{
return muldiv64(timer_ticks, frequency, get_ticks_per_sec());
}
void cpu_tick_set_count(CPUTimer *timer, uint64_t count)
{
uint64_t real_count = count & ~timer->disabled_mask;
uint64_t disabled_bit = count & timer->disabled_mask;
int64_t vm_clock_offset = qemu_get_clock(vm_clock) -
cpu_to_timer_ticks(real_count, timer->frequency);
TIMER_DPRINTF("%s set_count count=0x%016lx (%s) p=%p\n",
timer->name, real_count,
timer->disabled?"disabled":"enabled", timer);
timer->disabled = disabled_bit ? 1 : 0;
timer->clock_offset = vm_clock_offset;
}
uint64_t cpu_tick_get_count(CPUTimer *timer)
{
uint64_t real_count = timer_to_cpu_ticks(
qemu_get_clock(vm_clock) - timer->clock_offset,
timer->frequency);
TIMER_DPRINTF("%s get_count count=0x%016lx (%s) p=%p\n",
timer->name, real_count,
timer->disabled?"disabled":"enabled", timer);
if (timer->disabled)
real_count |= timer->disabled_mask;
return real_count;
}
void cpu_tick_set_limit(CPUTimer *timer, uint64_t limit)
{
int64_t now = qemu_get_clock(vm_clock);
uint64_t real_limit = limit & ~timer->disabled_mask;
timer->disabled = (limit & timer->disabled_mask) ? 1 : 0;
int64_t expires = cpu_to_timer_ticks(real_limit, timer->frequency) +
timer->clock_offset;
if (expires < now) {
expires = now + 1;
}
TIMER_DPRINTF("%s set_limit limit=0x%016lx (%s) p=%p "
"called with limit=0x%016lx at 0x%016lx (delta=0x%016lx)\n",
timer->name, real_limit,
timer->disabled?"disabled":"enabled",
timer, limit,
timer_to_cpu_ticks(now - timer->clock_offset,
timer->frequency),
timer_to_cpu_ticks(expires - now, timer->frequency));
if (!real_limit) {
TIMER_DPRINTF("%s set_limit limit=ZERO - not starting timer\n",
timer->name);
qemu_del_timer(timer->qtimer);
} else if (timer->disabled) {
qemu_del_timer(timer->qtimer);
} else {
qemu_mod_timer(timer->qtimer, expires);
}
}
static void ebus_mmio_mapfunc(PCIDevice *pci_dev, int region_num,
pcibus_t addr, pcibus_t size, int type)
{
EBUS_DPRINTF("Mapping region %d registers at %" FMT_PCIBUS "\n",
region_num, addr);
switch (region_num) {
case 0:
isa_mmio_init(addr, 0x1000000);
break;
case 1:
isa_mmio_init(addr, 0x800000);
break;
}
}
static void dummy_isa_irq_handler(void *opaque, int n, int level)
{
}
/* EBUS (Eight bit bus) bridge */
static void
pci_ebus_init(PCIBus *bus, int devfn)
{
qemu_irq *isa_irq;
pci_create_simple(bus, devfn, "ebus");
isa_irq = qemu_allocate_irqs(dummy_isa_irq_handler, NULL, 16);
isa_bus_irqs(isa_irq);
}
static int
pci_ebus_init1(PCIDevice *s)
{
isa_bus_new(&s->qdev);
pci_config_set_vendor_id(s->config, PCI_VENDOR_ID_SUN);
pci_config_set_device_id(s->config, PCI_DEVICE_ID_SUN_EBUS);
s->config[0x04] = 0x06; // command = bus master, pci mem
s->config[0x05] = 0x00;
s->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error
s->config[0x07] = 0x03; // status = medium devsel
s->config[0x08] = 0x01; // revision
s->config[0x09] = 0x00; // programming i/f
pci_config_set_class(s->config, PCI_CLASS_BRIDGE_OTHER);
s->config[0x0D] = 0x0a; // latency_timer
pci_register_bar(s, 0, 0x1000000, PCI_BASE_ADDRESS_SPACE_MEMORY,
ebus_mmio_mapfunc);
pci_register_bar(s, 1, 0x800000, PCI_BASE_ADDRESS_SPACE_MEMORY,
ebus_mmio_mapfunc);
return 0;
}
static PCIDeviceInfo ebus_info = {
.qdev.name = "ebus",
.qdev.size = sizeof(PCIDevice),
.init = pci_ebus_init1,
};
static void pci_ebus_register(void)
{
pci_qdev_register(&ebus_info);
}
device_init(pci_ebus_register);
static uint64_t translate_prom_address(void *opaque, uint64_t addr)
{
target_phys_addr_t *base_addr = (target_phys_addr_t *)opaque;
return addr + *base_addr - PROM_VADDR;
}
/* Boot PROM (OpenBIOS) */
static void prom_init(target_phys_addr_t addr, const char *bios_name)
{
DeviceState *dev;
SysBusDevice *s;
char *filename;
int ret;
dev = qdev_create(NULL, "openprom");
qdev_init_nofail(dev);
s = sysbus_from_qdev(dev);
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, translate_prom_address, &addr,
NULL, NULL, NULL, 1, ELF_MACHINE, 0);
if (ret < 0 || ret > PROM_SIZE_MAX) {
ret = load_image_targphys(filename, addr, PROM_SIZE_MAX);
}
qemu_free(filename);
} else {
ret = -1;
}
if (ret < 0 || ret > PROM_SIZE_MAX) {
fprintf(stderr, "qemu: could not load prom '%s'\n", bios_name);
exit(1);
}
}
static int prom_init1(SysBusDevice *dev)
{
ram_addr_t prom_offset;
prom_offset = qemu_ram_alloc(NULL, "sun4u.prom", PROM_SIZE_MAX);
sysbus_init_mmio(dev, PROM_SIZE_MAX, prom_offset | IO_MEM_ROM);
return 0;
}
static SysBusDeviceInfo prom_info = {
.init = prom_init1,
.qdev.name = "openprom",
.qdev.size = sizeof(SysBusDevice),
.qdev.props = (Property[]) {
{/* end of property list */}
}
};
static void prom_register_devices(void)
{
sysbus_register_withprop(&prom_info);
}
device_init(prom_register_devices);
typedef struct RamDevice
{
SysBusDevice busdev;
uint64_t size;
} RamDevice;
/* System RAM */
static int ram_init1(SysBusDevice *dev)
{
ram_addr_t RAM_size, ram_offset;
RamDevice *d = FROM_SYSBUS(RamDevice, dev);
RAM_size = d->size;
ram_offset = qemu_ram_alloc(NULL, "sun4u.ram", RAM_size);
sysbus_init_mmio(dev, RAM_size, ram_offset);
return 0;
}
static void ram_init(target_phys_addr_t addr, ram_addr_t RAM_size)
{
DeviceState *dev;
SysBusDevice *s;
RamDevice *d;
/* allocate RAM */
dev = qdev_create(NULL, "memory");
s = sysbus_from_qdev(dev);
d = FROM_SYSBUS(RamDevice, s);
d->size = RAM_size;
qdev_init_nofail(dev);
sysbus_mmio_map(s, 0, addr);
}
static SysBusDeviceInfo ram_info = {
.init = ram_init1,
.qdev.name = "memory",
.qdev.size = sizeof(RamDevice),
.qdev.props = (Property[]) {
DEFINE_PROP_UINT64("size", RamDevice, size, 0),
DEFINE_PROP_END_OF_LIST(),
}
};
static void ram_register_devices(void)
{
sysbus_register_withprop(&ram_info);
}
device_init(ram_register_devices);
static CPUState *cpu_devinit(const char *cpu_model, const struct hwdef *hwdef)
{
CPUState *env;
ResetData *reset_info;
uint32_t tick_frequency = 100*1000000;
uint32_t stick_frequency = 100*1000000;
uint32_t hstick_frequency = 100*1000000;
if (!cpu_model)
cpu_model = hwdef->default_cpu_model;
env = cpu_init(cpu_model);
if (!env) {
fprintf(stderr, "Unable to find Sparc CPU definition\n");
exit(1);
}
env->tick = cpu_timer_create("tick", env, tick_irq,
tick_frequency, TICK_NPT_MASK);
env->stick = cpu_timer_create("stick", env, stick_irq,
stick_frequency, TICK_INT_DIS);
env->hstick = cpu_timer_create("hstick", env, hstick_irq,
hstick_frequency, TICK_INT_DIS);
reset_info = qemu_mallocz(sizeof(ResetData));
reset_info->env = env;
reset_info->prom_addr = hwdef->prom_addr;
qemu_register_reset(main_cpu_reset, reset_info);
return env;
}
static void sun4uv_init(ram_addr_t RAM_size,
const char *boot_devices,
const char *kernel_filename, const char *kernel_cmdline,
const char *initrd_filename, const char *cpu_model,
const struct hwdef *hwdef)
{
CPUState *env;
M48t59State *nvram;
unsigned int i;
long initrd_size, kernel_size;
PCIBus *pci_bus, *pci_bus2, *pci_bus3;
qemu_irq *irq;
DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
DriveInfo *fd[MAX_FD];
void *fw_cfg;
/* init CPUs */
env = cpu_devinit(cpu_model, hwdef);
/* set up devices */
ram_init(0, RAM_size);
prom_init(hwdef->prom_addr, bios_name);
irq = qemu_allocate_irqs(cpu_set_irq, env, MAX_PILS);
pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, irq, &pci_bus2,
&pci_bus3);
isa_mem_base = APB_PCI_IO_BASE;
pci_vga_init(pci_bus);
// XXX Should be pci_bus3
pci_ebus_init(pci_bus, -1);
i = 0;
if (hwdef->console_serial_base) {
serial_mm_init(hwdef->console_serial_base, 0, NULL, 115200,
serial_hds[i], 1, 1);
i++;
}
for(; i < MAX_SERIAL_PORTS; i++) {
if (serial_hds[i]) {
serial_isa_init(i, serial_hds[i]);
}
}
for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
if (parallel_hds[i]) {
parallel_init(i, parallel_hds[i]);
}
}
for(i = 0; i < nb_nics; i++)
pci_nic_init_nofail(&nd_table[i], "ne2k_pci", NULL);
if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
fprintf(stderr, "qemu: too many IDE bus\n");
exit(1);
}
for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
hd[i] = drive_get(IF_IDE, i / MAX_IDE_DEVS,
i % MAX_IDE_DEVS);
}
pci_cmd646_ide_init(pci_bus, hd, 1);
isa_create_simple("i8042");
for(i = 0; i < MAX_FD; i++) {
fd[i] = drive_get(IF_FLOPPY, 0, i);
}
fdctrl_init_isa(fd);
nvram = m48t59_init_isa(0x0074, NVRAM_SIZE, 59);
initrd_size = 0;
kernel_size = sun4u_load_kernel(kernel_filename, initrd_filename,
ram_size, &initrd_size);
sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", RAM_size, boot_devices,
KERNEL_LOAD_ADDR, kernel_size,
kernel_cmdline,
INITRD_LOAD_ADDR, initrd_size,
/* XXX: need an option to load a NVRAM image */
0,
graphic_width, graphic_height, graphic_depth,
(uint8_t *)&nd_table[0].macaddr);
fw_cfg = fw_cfg_init(BIOS_CFG_IOPORT, BIOS_CFG_IOPORT + 1, 0, 0);
fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
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_i32(fw_cfg, FW_CFG_KERNEL_ADDR, KERNEL_LOAD_ADDR);
fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
if (kernel_cmdline) {
fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
strlen(kernel_cmdline) + 1);
fw_cfg_add_bytes(fw_cfg, FW_CFG_CMDLINE_DATA,
(uint8_t*)strdup(kernel_cmdline),
strlen(kernel_cmdline) + 1);
} else {
fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0);
}
fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, INITRD_LOAD_ADDR);
fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, boot_devices[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,
niagara_id,
};
static const struct hwdef hwdefs[] = {
/* Sun4u generic PC-like machine */
{
.default_cpu_model = "TI UltraSparc IIi",
.machine_id = sun4u_id,
.prom_addr = 0x1fff0000000ULL,
.console_serial_base = 0,
},
/* Sun4v generic PC-like machine */
{
.default_cpu_model = "Sun UltraSparc T1",
.machine_id = sun4v_id,
.prom_addr = 0x1fff0000000ULL,
.console_serial_base = 0,
},
/* Sun4v generic Niagara machine */
{
.default_cpu_model = "Sun UltraSparc T1",
.machine_id = niagara_id,
.prom_addr = 0xfff0000000ULL,
.console_serial_base = 0xfff0c2c000ULL,
},
};
/* Sun4u hardware initialisation */
static void sun4u_init(ram_addr_t RAM_size,
const char *boot_devices,
const char *kernel_filename, const char *kernel_cmdline,
const char *initrd_filename, const char *cpu_model)
{
sun4uv_init(RAM_size, boot_devices, kernel_filename,
kernel_cmdline, initrd_filename, cpu_model, &hwdefs[0]);
}
/* Sun4v hardware initialisation */
static void sun4v_init(ram_addr_t RAM_size,
const char *boot_devices,
const char *kernel_filename, const char *kernel_cmdline,
const char *initrd_filename, const char *cpu_model)
{
sun4uv_init(RAM_size, boot_devices, kernel_filename,
kernel_cmdline, initrd_filename, cpu_model, &hwdefs[1]);
}
/* Niagara hardware initialisation */
static void niagara_init(ram_addr_t RAM_size,
const char *boot_devices,
const char *kernel_filename, const char *kernel_cmdline,
const char *initrd_filename, const char *cpu_model)
{
sun4uv_init(RAM_size, boot_devices, kernel_filename,
kernel_cmdline, initrd_filename, cpu_model, &hwdefs[2]);
}
static QEMUMachine sun4u_machine = {
.name = "sun4u",
.desc = "Sun4u platform",
.init = sun4u_init,
.max_cpus = 1, // XXX for now
.is_default = 1,
};
static QEMUMachine sun4v_machine = {
.name = "sun4v",
.desc = "Sun4v platform",
.init = sun4v_init,
.max_cpus = 1, // XXX for now
};
static QEMUMachine niagara_machine = {
.name = "Niagara",
.desc = "Sun4v platform, Niagara",
.init = niagara_init,
.max_cpus = 1, // XXX for now
};
static void sun4u_machine_init(void)
{
qemu_register_machine(&sun4u_machine);
qemu_register_machine(&sun4v_machine);
qemu_register_machine(&niagara_machine);
}
machine_init(sun4u_machine_init);
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