static int do_bootm_linux(struct image_data *data)
{
void (*kernel)(void *, void *, unsigned long,
unsigned long, unsigned long);
if (!data->os_res)
return -EINVAL;
data->oftree = of_get_fixed_tree(data->of_root_node);
if (!data->oftree) {
pr_err("bootm: No devicetree given.\n");
return -EINVAL;
}
fdt_add_reserve_map(data->oftree);
kernel = (void *)(data->os_address + data->os_entry);
/*
* Linux Kernel Parameters (passing device tree):
* r3: ptr to OF flat tree, followed by the board info data
* r4: physical pointer to the kernel itself
* r5: NULL
* r6: NULL
* r7: NULL
*/
kernel(data->oftree, kernel, 0, 0, 0);
reset_cpu(0);
/* not reached */
return -1;
}
static int do_bootm_barebox(struct image_data *data)
{
void *barebox;
barebox = read_file(data->os_file, NULL);
if (!barebox)
return -EINVAL;
if (IS_ENABLED(CONFIG_OFTREE) && data->of_root_node) {
data->oftree = of_get_fixed_tree(data->of_root_node);
fdt_add_reserve_map(data->oftree);
of_print_cmdline(data->of_root_node);
if (bootm_verbose(data) > 1)
of_print_nodes(data->of_root_node, 0);
}
if (bootm_verbose(data)) {
printf("\nStarting barebox at 0x%p", barebox);
if (data->oftree)
printf(", oftree at 0x%p", data->oftree);
printf("...\n");
}
start_linux(barebox, 0, 0, 0, data->oftree);
reset_cpu(0);
}
static int do_bootm_linux(struct image_data *data)
{
void (*kernel)(void *, void *, unsigned long,
unsigned long, unsigned long);
int ret;
ret = bootm_load_os(data, data->os_address);
if (ret)
return ret;
data->oftree = of_get_fixed_tree(data->of_root_node);
if (!data->oftree) {
pr_err("bootm: No devicetree given.\n");
return -EINVAL;
}
/* Relocate the device tree if outside the initial
* Linux mapped TLB.
*/
if (IS_ENABLED(CONFIG_MPC85xx)) {
void *addr = data->oftree;
if ((addr + data->oftree->totalsize) > LINUX_TLB1_MAX_ADDR) {
addr = (void *)data->os_address;
if (bootm_relocate_fdt(addr, data))
goto error;
}
}
fdt_add_reserve_map(data->oftree);
kernel = (void *)(data->os_address + data->os_entry);
/*
* Linux Kernel Parameters (passing device tree):
* r3: ptr to OF flat tree, followed by the board info data
* r4: physical pointer to the kernel itself
* r5: NULL
* r6: NULL
* r7: NULL
*/
kernel(data->oftree, kernel, 0, 0, 0);
restart_machine();
error:
return -1;
}
static int __do_bootm_linux(struct image_data *data, int swap)
{
unsigned long kernel;
unsigned long initrd_start = 0, initrd_size = 0, initrd_end = 0;
struct memory_bank *bank;
unsigned long load_address;
if (data->os_res) {
load_address = data->os_res->start;
} else if (data->os_address != UIMAGE_INVALID_ADDRESS) {
load_address = data->os_address;
} else {
bank = list_first_entry(&memory_banks,
struct memory_bank, list);
load_address = bank->start + SZ_32K;
if (bootm_verbose(data))
printf("no os load address, defaulting to 0x%08lx\n",
load_address);
}
if (!data->os_res && data->os) {
data->os_res = uimage_load_to_sdram(data->os,
data->os_num, load_address);
if (!data->os_res)
return -ENOMEM;
}
if (!data->os_res) {
data->os_res = file_to_sdram(data->os_file, load_address);
if (!data->os_res)
return -ENOMEM;
}
kernel = data->os_res->start + data->os_entry;
initrd_start = data->initrd_address;
if (data->initrd_file && initrd_start == UIMAGE_INVALID_ADDRESS) {
initrd_start = data->os_res->start + SZ_8M;
if (bootm_verbose(data)) {
printf("no initrd load address, defaulting to 0x%08lx\n",
initrd_start);
}
}
if (data->initrd) {
data->initrd_res = uimage_load_to_sdram(data->initrd,
data->initrd_num, initrd_start);
if (!data->initrd_res)
return -ENOMEM;
} else if (data->initrd_file) {
data->initrd_res = file_to_sdram(data->initrd_file, initrd_start);
if (!data->initrd_res)
return -ENOMEM;
}
if (data->initrd_res) {
initrd_start = data->initrd_res->start;
initrd_end = data->initrd_res->end;
initrd_size = resource_size(data->initrd_res);
}
if (IS_ENABLED(CONFIG_OFTREE) && data->of_root_node) {
of_add_initrd(data->of_root_node, initrd_start, initrd_end);
if (initrd_end)
of_add_reserve_entry(initrd_start, initrd_end);
data->oftree = of_get_fixed_tree(data->of_root_node);
fdt_add_reserve_map(data->oftree);
of_print_cmdline(data->of_root_node);
if (bootm_verbose(data) > 1)
of_print_nodes(data->of_root_node, 0);
}
if (bootm_verbose(data)) {
printf("\nStarting kernel at 0x%08lx", kernel);
if (initrd_size)
printf(", initrd at 0x%08lx", initrd_start);
if (data->oftree)
printf(", oftree at 0x%p", data->oftree);
printf("...\n");
}
start_linux((void *)kernel, swap, initrd_start, initrd_size, data->oftree);
reset_cpu(0);
return -ERESTARTSYS;
}
