static void cpu_devinit(const char *cpu_model, unsigned int id,
uint64_t prom_addr, qemu_irq **cpu_irqs)
{
CPUState *cs;
SPARCCPU *cpu;
CPUSPARCState *env;
cpu = cpu_sparc_init(cpu_model);
if (cpu == NULL) {
fprintf(stderr, "qemu: Unable to find Sparc CPU definition\n");
exit(1);
}
env = &cpu->env;
cpu_sparc_set_id(env, id);
if (id == 0) {
qemu_register_reset(main_cpu_reset, cpu);
} else {
qemu_register_reset(secondary_cpu_reset, cpu);
cs = CPU(cpu);
cs->halted = 1;
}
*cpu_irqs = qemu_allocate_irqs(cpu_set_irq, cpu, MAX_PILS);
env->prom_addr = prom_addr;
}
static int cpu_sparc_register(CPUSPARCState *env, const char *cpu_model)
{
sparc_def_t def1, *def = &def1;
if (cpu_sparc_find_by_name(def, cpu_model) < 0) {
return -1;
}
env->def = g_new0(sparc_def_t, 1);
memcpy(env->def, def, sizeof(*def));
#if defined(CONFIG_USER_ONLY)
if ((env->def->features & CPU_FEATURE_FLOAT)) {
env->def->features |= CPU_FEATURE_FLOAT128;
}
#endif
env->cpu_model_str = cpu_model;
env->version = def->iu_version;
env->fsr = def->fpu_version;
env->nwindows = def->nwindows;
#if !defined(TARGET_SPARC64)
env->mmuregs[0] |= def->mmu_version;
cpu_sparc_set_id(env, 0);
env->mxccregs[7] |= def->mxcc_version;
#else
env->mmu_version = def->mmu_version;
env->maxtl = def->maxtl;
env->version |= def->maxtl << 8;
env->version |= def->nwindows - 1;
#endif
return 0;
}
static int cpu_sparc_register(SPARCCPU *cpu, const char *cpu_model)
{
CPUClass *cc = CPU_GET_CLASS(cpu);
CPUSPARCState *env = &cpu->env;
char *s = g_strdup(cpu_model);
char *featurestr, *name = strtok(s, ",");
sparc_def_t def1, *def = &def1;
Error *err = NULL;
if (cpu_sparc_find_by_name(def, name) < 0) {
g_free(s);
return -1;
}
env->def = g_new0(sparc_def_t, 1);
memcpy(env->def, def, sizeof(*def));
featurestr = strtok(NULL, ",");
cc->parse_features(CPU(cpu), featurestr, &err);
g_free(s);
if (err) {
error_report("%s", error_get_pretty(err));
error_free(err);
return -1;
}
env->version = def->iu_version;
env->fsr = def->fpu_version;
env->nwindows = def->nwindows;
#if !defined(TARGET_SPARC64)
env->mmuregs[0] |= def->mmu_version;
cpu_sparc_set_id(env, 0);
env->mxccregs[7] |= def->mxcc_version;
#else
env->mmu_version = def->mmu_version;
env->maxtl = def->maxtl;
env->version |= def->maxtl << 8;
env->version |= def->nwindows - 1;
#endif
return 0;
}
static void leon3_generic_hw_init(QEMUMachineInitArgs *args)
{
ram_addr_t ram_size = args->ram_size;
const char *cpu_model = args->cpu_model;
const char *kernel_filename = args->kernel_filename;
SPARCCPU *cpu;
CPUSPARCState *env;
MemoryRegion *address_space_mem = get_system_memory();
MemoryRegion *ram = g_new(MemoryRegion, 1);
MemoryRegion *prom = g_new(MemoryRegion, 1);
int ret;
char *filename;
qemu_irq *cpu_irqs = NULL;
int bios_size;
int prom_size;
ResetData *reset_info;
/* Init CPU */
if (!cpu_model) {
cpu_model = "LEON3";
}
cpu = cpu_sparc_init(cpu_model);
if (cpu == NULL) {
fprintf(stderr, "qemu: Unable to find Sparc CPU definition\n");
exit(1);
}
env = &cpu->env;
cpu_sparc_set_id(env, 0);
/* Reset data */
reset_info = g_malloc0(sizeof(ResetData));
reset_info->cpu = cpu;
qemu_register_reset(main_cpu_reset, reset_info);
/* Allocate IRQ manager */
grlib_irqmp_create(0x80000200, env, &cpu_irqs, MAX_PILS, &leon3_set_pil_in);
env->qemu_irq_ack = leon3_irq_manager;
/* Allocate RAM */
if ((uint64_t)ram_size > (1UL << 30)) {
fprintf(stderr,
"qemu: Too much memory for this machine: %d, maximum 1G\n",
(unsigned int)(ram_size / (1024 * 1024)));
exit(1);
}
memory_region_init_ram(ram, "leon3.ram", ram_size);
vmstate_register_ram_global(ram);
memory_region_add_subregion(address_space_mem, 0x40000000, ram);
/* Allocate BIOS */
prom_size = 8 * 1024 * 1024; /* 8Mb */
memory_region_init_ram(prom, "Leon3.bios", prom_size);
vmstate_register_ram_global(prom);
memory_region_set_readonly(prom, true);
memory_region_add_subregion(address_space_mem, 0x00000000, prom);
/* Load boot prom */
if (bios_name == NULL) {
bios_name = PROM_FILENAME;
}
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
bios_size = get_image_size(filename);
if (bios_size > prom_size) {
fprintf(stderr, "qemu: could not load prom '%s': file too big\n",
filename);
exit(1);
}
if (bios_size > 0) {
ret = load_image_targphys(filename, 0x00000000, bios_size);
if (ret < 0 || ret > prom_size) {
fprintf(stderr, "qemu: could not load prom '%s'\n", filename);
exit(1);
}
} else if (kernel_filename == NULL) {
fprintf(stderr, "Can't read bios image %s\n", filename);
exit(1);
}
/* Can directly load an application. */
if (kernel_filename != NULL) {
long kernel_size;
uint64_t entry;
kernel_size = load_elf(kernel_filename, NULL, NULL, &entry, NULL, NULL,
1 /* big endian */, ELF_MACHINE, 0);
if (kernel_size < 0) {
fprintf(stderr, "qemu: could not load kernel '%s'\n",
kernel_filename);
exit(1);
}
if (bios_size <= 0) {
/* If there is no bios/monitor, start the application. */
env->pc = entry;
env->npc = entry + 4;
reset_info->entry = entry;
}
}
/* Allocate timers */
grlib_gptimer_create(0x80000300, 2, CPU_CLK, cpu_irqs, 6);
/* Allocate uart */
if (serial_hds[0]) {
grlib_apbuart_create(0x80000100, serial_hds[0], cpu_irqs[3]);
}
}
static void sun4c_hw_init(const struct hwdef *hwdef, int RAM_size,
const char *boot_device,
DisplayState *ds, const char *kernel_filename,
const char *kernel_cmdline,
const char *initrd_filename, const char *cpu_model)
{
CPUState *env;
unsigned int i;
void *iommu, *espdma, *ledma, *main_esp, *nvram;
qemu_irq *cpu_irqs, *slavio_irq, *espdma_irq, *ledma_irq;
qemu_irq *esp_reset, *le_reset;
unsigned long prom_offset, kernel_size;
int ret;
char buf[1024];
BlockDriverState *fd[MAX_FD];
int index;
/* init CPU */
if (!cpu_model)
cpu_model = hwdef->default_cpu_model;
env = cpu_init(cpu_model);
if (!env) {
fprintf(stderr, "qemu: Unable to find Sparc CPU definition\n");
exit(1);
}
cpu_sparc_set_id(env, 0);
qemu_register_reset(main_cpu_reset, env);
register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
cpu_irqs = qemu_allocate_irqs(cpu_set_irq, env, MAX_PILS);
env->prom_addr = hwdef->slavio_base;
/* allocate RAM */
if ((uint64_t)RAM_size > hwdef->max_mem) {
fprintf(stderr, "qemu: Too much memory for this machine: %d, maximum %d\n",
(unsigned int)RAM_size / (1024 * 1024),
(unsigned int)hwdef->max_mem / (1024 * 1024));
exit(1);
}
cpu_register_physical_memory(0, RAM_size, 0);
/* load boot prom */
prom_offset = RAM_size + hwdef->vram_size;
cpu_register_physical_memory(hwdef->slavio_base,
(PROM_SIZE_MAX + TARGET_PAGE_SIZE - 1) &
TARGET_PAGE_MASK,
prom_offset | IO_MEM_ROM);
if (bios_name == NULL)
bios_name = PROM_FILENAME;
snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
ret = load_elf(buf, hwdef->slavio_base - PROM_VADDR, NULL, NULL, NULL);
if (ret < 0 || ret > PROM_SIZE_MAX)
ret = load_image(buf, phys_ram_base + prom_offset);
if (ret < 0 || ret > PROM_SIZE_MAX) {
fprintf(stderr, "qemu: could not load prom '%s'\n",
buf);
exit(1);
}
prom_offset += (ret + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK;
/* set up devices */
slavio_intctl = sun4c_intctl_init(hwdef->sun4c_intctl_base,
&slavio_irq, cpu_irqs);
iommu = iommu_init(hwdef->iommu_base, hwdef->iommu_version,
slavio_irq[hwdef->me_irq]);
espdma = sparc32_dma_init(hwdef->dma_base, slavio_irq[hwdef->esp_irq],
iommu, &espdma_irq, &esp_reset);
ledma = sparc32_dma_init(hwdef->dma_base + 16ULL,
slavio_irq[hwdef->le_irq], iommu, &ledma_irq,
&le_reset);
if (graphic_depth != 8 && graphic_depth != 24) {
fprintf(stderr, "qemu: Unsupported depth: %d\n", graphic_depth);
exit (1);
}
tcx_init(ds, hwdef->tcx_base, phys_ram_base + RAM_size, RAM_size,
hwdef->vram_size, graphic_width, graphic_height, graphic_depth);
if (nd_table[0].model == NULL
|| strcmp(nd_table[0].model, "lance") == 0) {
lance_init(&nd_table[0], hwdef->le_base, ledma, *ledma_irq, le_reset);
} else if (strcmp(nd_table[0].model, "?") == 0) {
fprintf(stderr, "qemu: Supported NICs: lance\n");
exit (1);
} else {
fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd_table[0].model);
exit (1);
}
nvram = m48t59_init(slavio_irq[0], hwdef->nvram_base, 0,
hwdef->nvram_size, 2);
slavio_serial_ms_kbd_init(hwdef->ms_kb_base, slavio_irq[hwdef->ms_kb_irq],
nographic);
// Slavio TTYA (base+4, Linux ttyS0) is the first Qemu serial device
// Slavio TTYB (base+0, Linux ttyS1) is the second Qemu serial device
slavio_serial_init(hwdef->serial_base, slavio_irq[hwdef->ser_irq],
serial_hds[1], serial_hds[0]);
if (hwdef->fd_base != (target_phys_addr_t)-1) {
/* there is zero or one floppy drive */
fd[1] = fd[0] = NULL;
index = drive_get_index(IF_FLOPPY, 0, 0);
if (index != -1)
fd[0] = drives_table[index].bdrv;
sun4m_fdctrl_init(slavio_irq[hwdef->fd_irq], hwdef->fd_base, fd);
}
if (drive_get_max_bus(IF_SCSI) > 0) {
fprintf(stderr, "qemu: too many SCSI bus\n");
exit(1);
}
main_esp = esp_init(hwdef->esp_base, espdma, *espdma_irq,
esp_reset);
for (i = 0; i < ESP_MAX_DEVS; i++) {
index = drive_get_index(IF_SCSI, 0, i);
if (index == -1)
continue;
esp_scsi_attach(main_esp, drives_table[index].bdrv, i);
}
kernel_size = sun4m_load_kernel(kernel_filename, kernel_cmdline,
initrd_filename);
nvram_init((m48t59_t *)nvram, (uint8_t *)&nd_table[0].macaddr, kernel_cmdline,
boot_device, RAM_size, kernel_size, graphic_width,
graphic_height, graphic_depth, hwdef->machine_id, "Sun4c");
}
static void sun4d_hw_init(const struct sun4d_hwdef *hwdef, int RAM_size,
const char *boot_device,
DisplayState *ds, const char *kernel_filename,
const char *kernel_cmdline,
const char *initrd_filename, const char *cpu_model)
{
CPUState *env, *envs[MAX_CPUS];
unsigned int i;
void *iounits[MAX_IOUNITS], *espdma, *ledma, *main_esp, *nvram, *sbi;
qemu_irq *cpu_irqs[MAX_CPUS], *sbi_irq, *sbi_cpu_irq,
*espdma_irq, *ledma_irq;
qemu_irq *esp_reset, *le_reset;
unsigned long prom_offset, kernel_size;
int ret;
char buf[1024];
int index;
/* init CPUs */
if (!cpu_model)
cpu_model = hwdef->default_cpu_model;
for (i = 0; i < smp_cpus; i++) {
env = cpu_init(cpu_model);
if (!env) {
fprintf(stderr, "qemu: Unable to find Sparc CPU definition\n");
exit(1);
}
cpu_sparc_set_id(env, i);
envs[i] = env;
if (i == 0) {
qemu_register_reset(main_cpu_reset, env);
} else {
qemu_register_reset(secondary_cpu_reset, env);
env->halted = 1;
}
register_savevm("cpu", i, 3, cpu_save, cpu_load, env);
cpu_irqs[i] = qemu_allocate_irqs(cpu_set_irq, envs[i], MAX_PILS);
env->prom_addr = hwdef->slavio_base;
}
for (i = smp_cpus; i < MAX_CPUS; i++)
cpu_irqs[i] = qemu_allocate_irqs(dummy_cpu_set_irq, NULL, MAX_PILS);
/* allocate RAM */
if ((uint64_t)RAM_size > hwdef->max_mem) {
fprintf(stderr, "qemu: Too much memory for this machine: %d, maximum %d\n",
(unsigned int)RAM_size / (1024 * 1024),
(unsigned int)(hwdef->max_mem / (1024 * 1024)));
exit(1);
}
cpu_register_physical_memory(0, RAM_size, 0);
/* load boot prom */
prom_offset = RAM_size + hwdef->vram_size;
cpu_register_physical_memory(hwdef->slavio_base,
(PROM_SIZE_MAX + TARGET_PAGE_SIZE - 1) &
TARGET_PAGE_MASK,
prom_offset | IO_MEM_ROM);
if (bios_name == NULL)
bios_name = PROM_FILENAME;
snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
ret = load_elf(buf, hwdef->slavio_base - PROM_VADDR, NULL, NULL, NULL);
if (ret < 0 || ret > PROM_SIZE_MAX)
ret = load_image(buf, phys_ram_base + prom_offset);
if (ret < 0 || ret > PROM_SIZE_MAX) {
fprintf(stderr, "qemu: could not load prom '%s'\n",
buf);
exit(1);
}
/* set up devices */
sbi = sbi_init(hwdef->sbi_base, &sbi_irq, &sbi_cpu_irq, cpu_irqs);
for (i = 0; i < MAX_IOUNITS; i++)
if (hwdef->iounit_bases[i] != (target_phys_addr_t)-1)
iounits[i] = iommu_init(hwdef->iounit_bases[i],
hwdef->iounit_version,
sbi_irq[hwdef->me_irq]);
espdma = sparc32_dma_init(hwdef->espdma_base, sbi_irq[hwdef->esp_irq],
iounits[0], &espdma_irq, &esp_reset);
ledma = sparc32_dma_init(hwdef->ledma_base, sbi_irq[hwdef->le_irq],
iounits[0], &ledma_irq, &le_reset);
if (graphic_depth != 8 && graphic_depth != 24) {
fprintf(stderr, "qemu: Unsupported depth: %d\n", graphic_depth);
exit (1);
}
tcx_init(ds, hwdef->tcx_base, phys_ram_base + RAM_size, RAM_size,
hwdef->vram_size, graphic_width, graphic_height, graphic_depth);
if (nd_table[0].model == NULL
|| strcmp(nd_table[0].model, "lance") == 0) {
lance_init(&nd_table[0], hwdef->le_base, ledma, *ledma_irq, le_reset);
} else if (strcmp(nd_table[0].model, "?") == 0) {
fprintf(stderr, "qemu: Supported NICs: lance\n");
exit (1);
} else {
fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd_table[0].model);
exit (1);
}
nvram = m48t59_init(sbi_irq[0], hwdef->nvram_base, 0,
hwdef->nvram_size, 8);
slavio_timer_init_all(hwdef->counter_base, sbi_irq[hwdef->clock1_irq],
sbi_cpu_irq, smp_cpus);
slavio_serial_ms_kbd_init(hwdef->ms_kb_base, sbi_irq[hwdef->ms_kb_irq],
nographic);
// Slavio TTYA (base+4, Linux ttyS0) is the first Qemu serial device
// Slavio TTYB (base+0, Linux ttyS1) is the second Qemu serial device
slavio_serial_init(hwdef->serial_base, sbi_irq[hwdef->ser_irq],
serial_hds[1], serial_hds[0]);
if (drive_get_max_bus(IF_SCSI) > 0) {
fprintf(stderr, "qemu: too many SCSI bus\n");
exit(1);
}
main_esp = esp_init(hwdef->esp_base, espdma, *espdma_irq,
esp_reset);
for (i = 0; i < ESP_MAX_DEVS; i++) {
index = drive_get_index(IF_SCSI, 0, i);
if (index == -1)
continue;
esp_scsi_attach(main_esp, drives_table[index].bdrv, i);
}
kernel_size = sun4m_load_kernel(kernel_filename, kernel_cmdline,
initrd_filename);
nvram_init(nvram, (uint8_t *)&nd_table[0].macaddr, kernel_cmdline,
boot_device, RAM_size, kernel_size, graphic_width,
graphic_height, graphic_depth, hwdef->machine_id, "Sun4d");
}