/*
* QEMU Sun4u 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
#define CMDLINE_ADDR 0x003ff000
#define INITRD_LOAD_ADDR 0x00300000
#define PROM_SIZE_MAX (512 * 1024)
-#define PROM_ADDR 0x1fff0000000ULL
+#define PROM_ADDR 0x1fff0000000ULL
+#define PROM_VADDR 0x000ffd00000ULL
#define APB_SPECIAL_BASE 0x1fe00000000ULL
-#define APB_MEM_BASE 0x1ff00000000ULL
-#define VGA_BASE (APB_MEM_BASE + 0x400000ULL)
-#define PROM_FILENAME "openbios-sparc64"
+#define APB_MEM_BASE 0x1ff00000000ULL
+#define VGA_BASE (APB_MEM_BASE + 0x400000ULL)
+#define PROM_FILENAME "openbios-sparc64"
#define NVRAM_SIZE 0x2000
/* TSC handling */
odd = count & 1;
count &= ~1;
for (i = 0; i != count; i++) {
- crc = NVRAM_crc_update(crc, NVRAM_get_word(nvram, start + i));
+ crc = NVRAM_crc_update(crc, NVRAM_get_word(nvram, start + i));
}
if (odd) {
- crc = NVRAM_crc_update(crc, NVRAM_get_byte(nvram, start + i) << 8);
+ crc = NVRAM_crc_update(crc, NVRAM_get_byte(nvram, start + i) << 8);
}
return crc;
}
+static uint32_t nvram_set_var (m48t59_t *nvram, uint32_t addr,
+ const unsigned char *str)
+{
+ uint32_t len;
+
+ len = strlen(str) + 1;
+ NVRAM_set_string(nvram, addr, str, len);
+
+ return addr + len;
+}
+
+static void nvram_finish_partition (m48t59_t *nvram, uint32_t start,
+ uint32_t end)
+{
+ unsigned int i, sum;
+
+ // Length divided by 16
+ m48t59_write(nvram, start + 2, ((end - start) >> 12) & 0xff);
+ m48t59_write(nvram, start + 3, ((end - start) >> 4) & 0xff);
+ // Checksum
+ sum = m48t59_read(nvram, start);
+ for (i = 0; i < 14; i++) {
+ sum += m48t59_read(nvram, start + 2 + i);
+ sum = (sum + ((sum & 0xff00) >> 8)) & 0xff;
+ }
+ m48t59_write(nvram, start + 1, sum & 0xff);
+}
+
extern int nographic;
int sun4u_NVRAM_set_params (m48t59_t *nvram, uint16_t NVRAM_size,
int width, int height, int depth)
{
uint16_t crc;
+ unsigned int i;
+ uint32_t start, end;
/* Set parameters for Open Hack'Ware BIOS */
NVRAM_set_string(nvram, 0x00, "QEMU_BIOS", 16);
crc = NVRAM_compute_crc(nvram, 0x00, 0xF8);
NVRAM_set_word(nvram, 0xFC, crc);
+ // OpenBIOS nvram variables
+ // Variable partition
+ start = 256;
+ m48t59_write(nvram, start, 0x70);
+ NVRAM_set_string(nvram, start + 4, "system", 12);
+
+ end = start + 16;
+ for (i = 0; i < nb_prom_envs; i++)
+ end = nvram_set_var(nvram, end, prom_envs[i]);
+
+ m48t59_write(nvram, end++ , 0);
+ end = start + ((end - start + 15) & ~15);
+ nvram_finish_partition(nvram, start, end);
+
+ // free partition
+ start = end;
+ m48t59_write(nvram, start, 0x7f);
+ NVRAM_set_string(nvram, start + 4, "free", 12);
+
+ end = 0x1fd0;
+ nvram_finish_partition(nvram, start, end);
+
return 0;
}
{
}
-void pic_set_irq(int irq, int level)
+void qemu_system_powerdown(void)
{
}
-void pic_set_irq_new(void *opaque, int irq, int level)
+static void main_cpu_reset(void *opaque)
{
+ CPUState *env = opaque;
+
+ cpu_reset(env);
+ ptimer_set_limit(env->tick, 0x7fffffffffffffffULL, 1);
+ ptimer_run(env->tick, 0);
+ ptimer_set_limit(env->stick, 0x7fffffffffffffffULL, 1);
+ ptimer_run(env->stick, 0);
+ ptimer_set_limit(env->hstick, 0x7fffffffffffffffULL, 1);
+ ptimer_run(env->hstick, 0);
}
-void qemu_system_powerdown(void)
+void tick_irq(void *opaque)
{
+ CPUState *env = opaque;
+
+ cpu_interrupt(env, CPU_INTERRUPT_TIMER);
}
-static void main_cpu_reset(void *opaque)
+void stick_irq(void *opaque)
{
CPUState *env = opaque;
- cpu_reset(env);
+
+ cpu_interrupt(env, CPU_INTERRUPT_TIMER);
+}
+
+void hstick_irq(void *opaque)
+{
+ CPUState *env = opaque;
+
+ cpu_interrupt(env, CPU_INTERRUPT_TIMER);
+}
+
+static void dummy_cpu_set_irq(void *opaque, int irq, int level)
+{
}
static const int ide_iobase[2] = { 0x1f0, 0x170 };
long prom_offset, initrd_size, kernel_size;
PCIBus *pci_bus;
const sparc_def_t *def;
+ QEMUBH *bh;
+ qemu_irq *irq;
linux_boot = (kernel_filename != NULL);
exit(1);
}
env = cpu_init();
- cpu_sparc_register(env, def);
+ cpu_sparc_register(env, def, 0);
+ bh = qemu_bh_new(tick_irq, env);
+ env->tick = ptimer_init(bh);
+ ptimer_set_period(env->tick, 1ULL);
+
+ bh = qemu_bh_new(stick_irq, env);
+ env->stick = ptimer_init(bh);
+ ptimer_set_period(env->stick, 1ULL);
+
+ bh = qemu_bh_new(hstick_irq, env);
+ env->hstick = ptimer_init(bh);
+ ptimer_set_period(env->hstick, 1ULL);
register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
qemu_register_reset(main_cpu_reset, env);
+ main_cpu_reset(env);
/* allocate RAM */
cpu_register_physical_memory(0, ram_size, 0);
prom_offset = ram_size + vga_ram_size;
- cpu_register_physical_memory(PROM_ADDR,
- (PROM_SIZE_MAX + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK,
+ cpu_register_physical_memory(PROM_ADDR,
+ (PROM_SIZE_MAX + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK,
prom_offset | IO_MEM_ROM);
- snprintf(buf, sizeof(buf), "%s/%s", bios_dir, PROM_FILENAME);
- ret = load_elf(buf, 0, NULL, NULL, NULL);
+ if (bios_name == NULL)
+ bios_name = PROM_FILENAME;
+ snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
+ ret = load_elf(buf, PROM_ADDR - PROM_VADDR, NULL, NULL, NULL);
if (ret < 0) {
- fprintf(stderr, "qemu: could not load prom '%s'\n",
- buf);
- exit(1);
+ fprintf(stderr, "qemu: could not load prom '%s'\n",
+ buf);
+ exit(1);
}
kernel_size = 0;
/* XXX: put correct offset */
kernel_size = load_elf(kernel_filename, 0, NULL, NULL, NULL);
if (kernel_size < 0)
- kernel_size = load_aout(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR);
- if (kernel_size < 0)
- kernel_size = load_image(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR);
+ kernel_size = load_aout(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR);
+ if (kernel_size < 0)
+ kernel_size = load_image(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR);
if (kernel_size < 0) {
- fprintf(stderr, "qemu: could not load kernel '%s'\n",
+ fprintf(stderr, "qemu: could not load kernel '%s'\n",
kernel_filename);
- exit(1);
+ exit(1);
}
/* load initrd */
if (initrd_filename) {
initrd_size = load_image(initrd_filename, phys_ram_base + INITRD_LOAD_ADDR);
if (initrd_size < 0) {
- fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
+ 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) {
- if (ldl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i)
- == 0x48647253) { // HdrS
- stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 16, INITRD_LOAD_ADDR);
- stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 20, initrd_size);
- break;
- }
- }
+ for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
+ if (ldl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i)
+ == 0x48647253) { // HdrS
+ stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 16, INITRD_LOAD_ADDR);
+ stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 20, initrd_size);
+ break;
+ }
+ }
}
}
pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, NULL);
for(i = 0; i < MAX_SERIAL_PORTS; i++) {
if (serial_hds[i]) {
- serial_init(&pic_set_irq_new, NULL,
- serial_io[i], serial_irq[i], serial_hds[i]);
+ serial_init(serial_io[i], NULL/*serial_irq[i]*/, serial_hds[i]);
}
}
for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
if (parallel_hds[i]) {
- parallel_init(parallel_io[i], parallel_irq[i], parallel_hds[i]);
+ parallel_init(parallel_io[i], NULL/*parallel_irq[i]*/, parallel_hds[i]);
}
}
for(i = 0; i < nb_nics; i++) {
if (!nd_table[i].model)
nd_table[i].model = "ne2k_pci";
- pci_nic_init(pci_bus, &nd_table[i], -1);
+ pci_nic_init(pci_bus, &nd_table[i], -1);
}
- pci_cmd646_ide_init(pci_bus, bs_table, 1);
- kbd_init();
- floppy_controller = fdctrl_init(6, 2, 0, 0x3f0, fd_table);
- nvram = m48t59_init(8, 0, 0x0074, NVRAM_SIZE, 59);
+ irq = qemu_allocate_irqs(dummy_cpu_set_irq, NULL, 32);
+ // XXX pci_cmd646_ide_init(pci_bus, bs_table, 1);
+ pci_piix3_ide_init(pci_bus, bs_table, -1, irq);
+ /* FIXME: wire up interrupts. */
+ i8042_init(NULL/*1*/, NULL/*12*/, 0x60);
+ floppy_controller = fdctrl_init(NULL/*6*/, 2, 0, 0x3f0, fd_table);
+ nvram = m48t59_init(NULL/*8*/, 0, 0x0074, NVRAM_SIZE, 59);
sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", ram_size, boot_device,
KERNEL_LOAD_ADDR, kernel_size,
kernel_cmdline,
projects / qemu / blobdiff