static int sun4u_NVRAM_set_params (m48t59_t *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 int nvram_boot_set(void *opaque, const char *boot_device)
{
unsigned int i;
uint8_t image[sizeof(ohwcfg_v3_t)];
ohwcfg_v3_t *header = (ohwcfg_v3_t *)ℑ
m48t59_t *nvram = (m48t59_t *)opaque;
for (i = 0; i < sizeof(image); i++)
image[i] = m48t59_read(nvram, i) & 0xff;
pstrcpy((char *)header->boot_devices, sizeof(header->boot_devices),
boot_device);
header->nboot_devices = strlen(boot_device) & 0xff;
header->crc = cpu_to_be16(OHW_compute_crc(header, 0x00, 0xF8));
for (i = 0; i < sizeof(image); i++)
m48t59_write(nvram, i, image[i]);
return 0;
}
static void nvram_init(m48t59_t *nvram, uint8_t *macaddr, const char *cmdline,
const char *boot_devices, uint32_t RAM_size,
uint32_t kernel_size,
int width, int height, int depth,
int machine_id, const char *arch)
{
unsigned int i;
uint32_t start, end;
uint8_t image[0x1ff0];
ohwcfg_v3_t *header = (ohwcfg_v3_t *)ℑ
struct sparc_arch_cfg *sparc_header;
struct OpenBIOS_nvpart_v1 *part_header;
memset(image, '\0', sizeof(image));
// Try to match PPC NVRAM
strcpy((char *)header->struct_ident, "QEMU_BIOS");
header->struct_version = cpu_to_be32(3); /* structure v3 */
header->nvram_size = cpu_to_be16(0x2000);
header->nvram_arch_ptr = cpu_to_be16(sizeof(ohwcfg_v3_t));
header->nvram_arch_size = cpu_to_be16(sizeof(struct sparc_arch_cfg));
strcpy((char *)header->arch, arch);
header->nb_cpus = smp_cpus & 0xff;
header->RAM0_base = 0;
header->RAM0_size = cpu_to_be64((uint64_t)RAM_size);
strcpy((char *)header->boot_devices, boot_devices);
header->nboot_devices = strlen(boot_devices) & 0xff;
header->kernel_image = cpu_to_be64((uint64_t)KERNEL_LOAD_ADDR);
header->kernel_size = cpu_to_be64((uint64_t)kernel_size);
if (cmdline) {
strcpy((char *)phys_ram_base + CMDLINE_ADDR, cmdline);
header->cmdline = cpu_to_be64((uint64_t)CMDLINE_ADDR);
header->cmdline_size = cpu_to_be64((uint64_t)strlen(cmdline));
}
// XXX add initrd_image, initrd_size
header->width = cpu_to_be16(width);
header->height = cpu_to_be16(height);
header->depth = cpu_to_be16(depth);
if (nographic)
header->graphic_flags = cpu_to_be16(OHW_GF_NOGRAPHICS);
header->crc = cpu_to_be16(OHW_compute_crc(header, 0x00, 0xF8));
// Architecture specific header
start = sizeof(ohwcfg_v3_t);
sparc_header = (struct sparc_arch_cfg *)&image[start];
sparc_header->valid = 0;
start += sizeof(struct sparc_arch_cfg);
// OpenBIOS nvram variables
// Variable partition
part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
part_header->signature = OPENBIOS_PART_SYSTEM;
strcpy(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, (const unsigned char *)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;
strcpy(part_header->name, "free");
end = 0x1fd0;
OpenBIOS_finish_partition(part_header, end - start);
Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr, machine_id);
for (i = 0; i < sizeof(image); i++)
m48t59_write(nvram, i, image[i]);
}
/* NVRAM helpers */
void NVRAM_set_byte (m48t59_t *nvram, uint32_t addr, uint8_t value)
{
m48t59_write(nvram, addr, value);
}
static int sun4u_NVRAM_set_params (m48t59_t *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];
ohwcfg_v3_t *header = (ohwcfg_v3_t *)ℑ
struct sparc_arch_cfg *sparc_header;
struct OpenBIOS_nvpart_v1 *part_header;
memset(image, '\0', sizeof(image));
// Try to match PPC NVRAM
pstrcpy((char *)header->struct_ident, sizeof(header->struct_ident),
"QEMU_BIOS");
header->struct_version = cpu_to_be32(3); /* structure v3 */
header->nvram_size = cpu_to_be16(NVRAM_size);
header->nvram_arch_ptr = cpu_to_be16(sizeof(ohwcfg_v3_t));
header->nvram_arch_size = cpu_to_be16(sizeof(struct sparc_arch_cfg));
pstrcpy((char *)header->arch, sizeof(header->arch), arch);
header->nb_cpus = smp_cpus & 0xff;
header->RAM0_base = 0;
header->RAM0_size = cpu_to_be64((uint64_t)RAM_size);
pstrcpy((char *)header->boot_devices, sizeof(header->boot_devices),
boot_devices);
header->nboot_devices = strlen(boot_devices) & 0xff;
header->kernel_image = cpu_to_be64((uint64_t)kernel_image);
header->kernel_size = cpu_to_be64((uint64_t)kernel_size);
if (cmdline) {
pstrcpy_targphys(CMDLINE_ADDR, TARGET_PAGE_SIZE, cmdline);
header->cmdline = cpu_to_be64((uint64_t)CMDLINE_ADDR);
header->cmdline_size = cpu_to_be64((uint64_t)strlen(cmdline));
}
header->initrd_image = cpu_to_be64((uint64_t)initrd_image);
header->initrd_size = cpu_to_be64((uint64_t)initrd_size);
header->NVRAM_image = cpu_to_be64((uint64_t)NVRAM_image);
header->width = cpu_to_be16(width);
header->height = cpu_to_be16(height);
header->depth = cpu_to_be16(depth);
if (nographic)
header->graphic_flags = cpu_to_be16(OHW_GF_NOGRAPHICS);
header->crc = cpu_to_be16(OHW_compute_crc(header, 0x00, 0xF8));
// Architecture specific header
start = sizeof(ohwcfg_v3_t);
sparc_header = (struct sparc_arch_cfg *)&image[start];
sparc_header->valid = 0;
start += sizeof(struct sparc_arch_cfg);
// 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]);
qemu_register_boot_set(nvram_boot_set, nvram);
return 0;
}
