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Diffstat (limited to 'arch/x86/lib/zimage.c')
-rw-r--r--arch/x86/lib/zimage.c138
1 files changed, 54 insertions, 84 deletions
diff --git a/arch/x86/lib/zimage.c b/arch/x86/lib/zimage.c
index ba7a008fec7..2ea9bcf59c2 100644
--- a/arch/x86/lib/zimage.c
+++ b/arch/x86/lib/zimage.c
@@ -55,6 +55,9 @@ DECLARE_GLOBAL_DATA_PTR;
#define COMMAND_LINE_SIZE 2048
+/* Current state of the boot */
+struct zboot_state state;
+
static void build_command_line(char *command_line, int auto_boot)
{
char *env_command_line;
@@ -222,7 +225,7 @@ struct boot_params *load_zimage(char *image, unsigned long kernel_size,
else
*load_addressp = ZIMAGE_LOAD_ADDR;
- printf("Building boot_params at 0x%8.8lx\n", (ulong)setup_base);
+ printf("Building boot_params at %lx\n", (ulong)setup_base);
memset(setup_base, 0, sizeof(*setup_base));
setup_base->hdr = params->hdr;
@@ -298,10 +301,13 @@ int setup_zimage(struct boot_params *setup_base, char *cmd_line, int auto_boot,
hdr->type_of_loader = 0x80; /* U-Boot version 0 */
if (initrd_addr) {
printf("Initial RAM disk at linear address "
- "0x%08lx, size %ld bytes\n",
- initrd_addr, initrd_size);
+ "%lx, size %lx (%ld bytes)\n",
+ initrd_addr, initrd_size, initrd_size);
hdr->ramdisk_image = initrd_addr;
+ setup_base->ext_ramdisk_image = 0;
+ setup_base->ext_ramdisk_size = 0;
+ setup_base->ext_cmd_line_ptr = 0;
hdr->ramdisk_size = initrd_size;
}
}
@@ -363,55 +369,54 @@ int setup_zimage(struct boot_params *setup_base, char *cmd_line, int auto_boot,
return 0;
}
-int zboot_load(struct bootm_info *bmi)
+int zboot_load(void)
{
struct boot_params *base_ptr;
int ret;
- if (bmi->base_ptr) {
- struct boot_params *from = (struct boot_params *)bmi->base_ptr;
+ if (state.base_ptr) {
+ struct boot_params *from = (struct boot_params *)state.base_ptr;
base_ptr = (struct boot_params *)DEFAULT_SETUP_BASE;
- log_debug("Building boot_params at 0x%8.8lx\n",
- (ulong)base_ptr);
+ log_debug("Building boot_params at %lx\n", (ulong)base_ptr);
memset(base_ptr, '\0', sizeof(*base_ptr));
base_ptr->hdr = from->hdr;
} else {
- base_ptr = load_zimage((void *)bmi->bzimage_addr,
- bmi->bzimage_size, &bmi->load_address);
+ base_ptr = load_zimage((void *)state.bzimage_addr, state.bzimage_size,
+ &state.load_address);
if (!base_ptr) {
puts("## Kernel loading failed ...\n");
return -EINVAL;
}
}
- bmi->base_ptr = base_ptr;
+ state.base_ptr = base_ptr;
- ret = env_set_hex("zbootbase", map_to_sysmem(bmi->base_ptr));
+ ret = env_set_hex("zbootbase", map_to_sysmem(state.base_ptr));
if (!ret)
- ret = env_set_hex("zbootaddr", bmi->load_address);
+ ret = env_set_hex("zbootaddr", state.load_address);
if (ret)
return ret;
return 0;
}
-int zboot_setup(struct bootm_info *bmi)
+int zboot_setup(void)
{
- struct boot_params *base_ptr = bmi->base_ptr;
+ struct boot_params *base_ptr = state.base_ptr;
int ret;
ret = setup_zimage(base_ptr, (char *)base_ptr + COMMAND_LINE_OFFSET,
- 0, bmi->initrd_addr, bmi->initrd_size,
- (ulong)bmi->cmdline);
+ 0, state.initrd_addr, state.initrd_size,
+ (ulong)state.cmdline);
if (ret)
return -EINVAL;
return 0;
}
-int zboot_go(struct bootm_info *bmi)
+int zboot_go(void)
{
- struct boot_params *params = bmi->base_ptr;
+ struct boot_params *params = state.base_ptr;
struct setup_header *hdr = &params->hdr;
bool image_64bit;
ulong entry;
@@ -419,51 +424,38 @@ int zboot_go(struct bootm_info *bmi)
disable_interrupts();
- entry = bmi->load_address;
+ entry = state.load_address;
image_64bit = false;
- if (IS_ENABLED(CONFIG_X86_RUN_64BIT) &&
+ if (IS_ENABLED(CONFIG_X86_64) &&
(hdr->xloadflags & XLF_KERNEL_64)) {
image_64bit = true;
}
/* we assume that the kernel is in place */
- ret = boot_linux_kernel((ulong)bmi->base_ptr, entry, image_64bit);
+ ret = boot_linux_kernel((ulong)state.base_ptr, entry, image_64bit);
return ret;
}
-int zboot_run(struct bootm_info *bmi)
+int zboot_run(ulong addr, ulong size, ulong initrd, ulong initrd_size,
+ ulong base, char *cmdline)
{
int ret;
- ret = zboot_load(bmi);
+ zboot_start(addr, size, initrd, initrd_size, base, cmdline);
+ ret = zboot_load();
if (ret)
return log_msg_ret("ld", ret);
- ret = zboot_setup(bmi);
+ ret = zboot_setup();
if (ret)
return log_msg_ret("set", ret);
- ret = zboot_go(bmi);
+ ret = zboot_go();
if (ret)
return log_msg_ret("go", ret);
return -EFAULT;
}
-int zboot_run_args(ulong addr, ulong size, ulong initrd, ulong initrd_size,
- ulong base, char *cmdline)
-{
- struct bootm_info bmi;
- int ret;
-
- bootm_init(&bmi);
- zboot_start(&bmi, addr, size, initrd, initrd_size, base, cmdline);
- ret = zboot_run(&bmi);
- if (ret)
- return log_msg_ret("zra", ret);
-
- return 0;
-}
-
static void print_num(const char *name, ulong value)
{
printf("%-20s: %lx\n", name, value);
@@ -474,14 +466,6 @@ static void print_num64(const char *name, u64 value)
printf("%-20s: %llx\n", name, value);
}
-static const char *const e820_type_name[E820_COUNT] = {
- [E820_RAM] = "RAM",
- [E820_RESERVED] = "Reserved",
- [E820_ACPI] = "ACPI",
- [E820_NVS] = "ACPI NVS",
- [E820_UNUSABLE] = "Unusable",
-};
-
static const char *const bootloader_id[] = {
"LILO",
"Loadlin",
@@ -565,28 +549,17 @@ static void show_loader(struct setup_header *hdr)
printf("\n");
}
-void zimage_dump(struct bootm_info *bmi, bool show_cmdline)
+void zimage_dump(struct boot_params *base_ptr, bool show_cmdline)
{
- struct boot_params *base_ptr;
struct setup_header *hdr;
- int i;
+ const char *version;
- base_ptr = bmi->base_ptr;
printf("Setup located at %p:\n\n", base_ptr);
print_num64("ACPI RSDP addr", base_ptr->acpi_rsdp_addr);
printf("E820: %d entries\n", base_ptr->e820_entries);
- if (base_ptr->e820_entries) {
- printf("%12s %10s %s\n", "Addr", "Size", "Type");
- for (i = 0; i < base_ptr->e820_entries; i++) {
- struct e820_entry *entry = &base_ptr->e820_map[i];
-
- printf("%12llx %10llx %s\n", entry->addr, entry->size,
- entry->type < E820_COUNT ?
- e820_type_name[entry->type] :
- simple_itoa(entry->type));
- }
- }
+ if (base_ptr->e820_entries)
+ e820_dump(base_ptr->e820_map, base_ptr->e820_entries);
hdr = &base_ptr->hdr;
print_num("Setup sectors", hdr->setup_sects);
@@ -606,14 +579,10 @@ void zimage_dump(struct bootm_info *bmi, bool show_cmdline)
print_num("Real mode switch", hdr->realmode_swtch);
print_num("Start sys seg", hdr->start_sys_seg);
print_num("Kernel version", hdr->kernel_version);
- if (bmi->bzimage_addr) {
- const char *version;
-
- version = zimage_get_kernel_version(base_ptr,
- (void *)bmi->bzimage_addr);
- if (version)
- printf(" @%p: %s\n", version, version);
- }
+ version = zimage_get_kernel_version(base_ptr,
+ (void *)state.bzimage_addr);
+ if (version)
+ printf(" @%p: %s\n", version, version);
print_num("Type of loader", hdr->type_of_loader);
show_loader(hdr);
print_num("Load flags", hdr->loadflags);
@@ -654,24 +623,25 @@ void zimage_dump(struct bootm_info *bmi, bool show_cmdline)
print_num("Kernel info offset", hdr->kernel_info_offset);
}
-void zboot_start(struct bootm_info *bmi, ulong bzimage_addr, ulong bzimage_size,
- ulong initrd_addr, ulong initrd_size, ulong base_addr,
- const char *cmdline)
+void zboot_start(ulong bzimage_addr, ulong bzimage_size, ulong initrd_addr,
+ ulong initrd_size, ulong base_addr, const char *cmdline)
{
- bmi->bzimage_size = bzimage_size;
- bmi->initrd_addr = initrd_addr;
- bmi->initrd_size = initrd_size;
+ memset(&state, '\0', sizeof(state));
+
+ state.bzimage_size = bzimage_size;
+ state.initrd_addr = initrd_addr;
+ state.initrd_size = initrd_size;
if (base_addr) {
- bmi->base_ptr = map_sysmem(base_addr, 0);
- bmi->load_address = bzimage_addr;
+ state.base_ptr = map_sysmem(base_addr, 0);
+ state.load_address = bzimage_addr;
} else {
- bmi->bzimage_addr = bzimage_addr;
+ state.bzimage_addr = bzimage_addr;
}
- bmi->cmdline = cmdline;
+ state.cmdline = cmdline;
}
-void zboot_info(struct bootm_info *bmi)
+void zboot_info(void)
{
printf("Kernel loaded at %08lx, setup_base=%p\n",
- bmi->load_address, bmi->base_ptr);
+ state.load_address, state.base_ptr);
}
generated by cgit v1.2.3 (git 2.0.4) at 2025-07-25 12:19:55 +0000