mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
990 lines
26 KiB
990 lines
26 KiB
// SPDX-License-Identifier: GPL-2.0+ |
|
/* |
|
* (C) Copyright 2000-2009 |
|
* Wolfgang Denk, DENX Software Engineering, [email protected]. |
|
*/ |
|
|
|
#ifndef USE_HOSTCC |
|
#include <common.h> |
|
#include <bootstage.h> |
|
#include <bzlib.h> |
|
#include <errno.h> |
|
#include <fdt_support.h> |
|
#include <lmb.h> |
|
#include <malloc.h> |
|
#include <mapmem.h> |
|
#include <asm/io.h> |
|
#include <linux/lzo.h> |
|
#include <lzma/LzmaTypes.h> |
|
#include <lzma/LzmaDec.h> |
|
#include <lzma/LzmaTools.h> |
|
#if defined(CONFIG_CMD_USB) |
|
#include <usb.h> |
|
#endif |
|
#else |
|
#include "mkimage.h" |
|
#endif |
|
|
|
#include <command.h> |
|
#include <bootm.h> |
|
#include <image.h> |
|
|
|
#ifndef CONFIG_SYS_BOOTM_LEN |
|
/* use 8MByte as default max gunzip size */ |
|
#define CONFIG_SYS_BOOTM_LEN 0x800000 |
|
#endif |
|
|
|
#define IH_INITRD_ARCH IH_ARCH_DEFAULT |
|
|
|
#ifndef USE_HOSTCC |
|
|
|
DECLARE_GLOBAL_DATA_PTR; |
|
|
|
bootm_headers_t images; /* pointers to os/initrd/fdt images */ |
|
|
|
static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc, |
|
char * const argv[], bootm_headers_t *images, |
|
ulong *os_data, ulong *os_len); |
|
|
|
__weak void board_quiesce_devices(void) |
|
{ |
|
} |
|
|
|
#ifdef CONFIG_LMB |
|
static void boot_start_lmb(bootm_headers_t *images) |
|
{ |
|
ulong mem_start; |
|
phys_size_t mem_size; |
|
|
|
lmb_init(&images->lmb); |
|
|
|
mem_start = env_get_bootm_low(); |
|
mem_size = env_get_bootm_size(); |
|
|
|
lmb_add(&images->lmb, (phys_addr_t)mem_start, mem_size); |
|
|
|
arch_lmb_reserve(&images->lmb); |
|
board_lmb_reserve(&images->lmb); |
|
} |
|
#else |
|
#define lmb_reserve(lmb, base, size) |
|
static inline void boot_start_lmb(bootm_headers_t *images) { } |
|
#endif |
|
|
|
static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, |
|
char * const argv[]) |
|
{ |
|
memset((void *)&images, 0, sizeof(images)); |
|
images.verify = env_get_yesno("verify"); |
|
|
|
boot_start_lmb(&images); |
|
|
|
bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start"); |
|
images.state = BOOTM_STATE_START; |
|
|
|
return 0; |
|
} |
|
|
|
static int bootm_find_os(cmd_tbl_t *cmdtp, int flag, int argc, |
|
char * const argv[]) |
|
{ |
|
const void *os_hdr; |
|
bool ep_found = false; |
|
int ret; |
|
|
|
/* get kernel image header, start address and length */ |
|
os_hdr = boot_get_kernel(cmdtp, flag, argc, argv, |
|
&images, &images.os.image_start, &images.os.image_len); |
|
if (images.os.image_len == 0) { |
|
puts("ERROR: can't get kernel image!\n"); |
|
return 1; |
|
} |
|
|
|
/* get image parameters */ |
|
switch (genimg_get_format(os_hdr)) { |
|
#if defined(CONFIG_IMAGE_FORMAT_LEGACY) |
|
case IMAGE_FORMAT_LEGACY: |
|
images.os.type = image_get_type(os_hdr); |
|
images.os.comp = image_get_comp(os_hdr); |
|
images.os.os = image_get_os(os_hdr); |
|
|
|
images.os.end = image_get_image_end(os_hdr); |
|
images.os.load = image_get_load(os_hdr); |
|
images.os.arch = image_get_arch(os_hdr); |
|
break; |
|
#endif |
|
#if IMAGE_ENABLE_FIT |
|
case IMAGE_FORMAT_FIT: |
|
if (fit_image_get_type(images.fit_hdr_os, |
|
images.fit_noffset_os, |
|
&images.os.type)) { |
|
puts("Can't get image type!\n"); |
|
bootstage_error(BOOTSTAGE_ID_FIT_TYPE); |
|
return 1; |
|
} |
|
|
|
if (fit_image_get_comp(images.fit_hdr_os, |
|
images.fit_noffset_os, |
|
&images.os.comp)) { |
|
puts("Can't get image compression!\n"); |
|
bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION); |
|
return 1; |
|
} |
|
|
|
if (fit_image_get_os(images.fit_hdr_os, images.fit_noffset_os, |
|
&images.os.os)) { |
|
puts("Can't get image OS!\n"); |
|
bootstage_error(BOOTSTAGE_ID_FIT_OS); |
|
return 1; |
|
} |
|
|
|
if (fit_image_get_arch(images.fit_hdr_os, |
|
images.fit_noffset_os, |
|
&images.os.arch)) { |
|
puts("Can't get image ARCH!\n"); |
|
return 1; |
|
} |
|
|
|
images.os.end = fit_get_end(images.fit_hdr_os); |
|
|
|
if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os, |
|
&images.os.load)) { |
|
puts("Can't get image load address!\n"); |
|
bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR); |
|
return 1; |
|
} |
|
break; |
|
#endif |
|
#ifdef CONFIG_ANDROID_BOOT_IMAGE |
|
case IMAGE_FORMAT_ANDROID: |
|
images.os.type = IH_TYPE_KERNEL; |
|
images.os.comp = IH_COMP_NONE; |
|
images.os.os = IH_OS_LINUX; |
|
|
|
images.os.end = android_image_get_end(os_hdr); |
|
images.os.load = android_image_get_kload(os_hdr); |
|
images.ep = images.os.load; |
|
ep_found = true; |
|
break; |
|
#endif |
|
default: |
|
puts("ERROR: unknown image format type!\n"); |
|
return 1; |
|
} |
|
|
|
/* If we have a valid setup.bin, we will use that for entry (x86) */ |
|
if (images.os.arch == IH_ARCH_I386 || |
|
images.os.arch == IH_ARCH_X86_64) { |
|
ulong len; |
|
|
|
ret = boot_get_setup(&images, IH_ARCH_I386, &images.ep, &len); |
|
if (ret < 0 && ret != -ENOENT) { |
|
puts("Could not find a valid setup.bin for x86\n"); |
|
return 1; |
|
} |
|
/* Kernel entry point is the setup.bin */ |
|
} else if (images.legacy_hdr_valid) { |
|
images.ep = image_get_ep(&images.legacy_hdr_os_copy); |
|
#if IMAGE_ENABLE_FIT |
|
} else if (images.fit_uname_os) { |
|
int ret; |
|
|
|
ret = fit_image_get_entry(images.fit_hdr_os, |
|
images.fit_noffset_os, &images.ep); |
|
if (ret) { |
|
puts("Can't get entry point property!\n"); |
|
return 1; |
|
} |
|
#endif |
|
} else if (!ep_found) { |
|
puts("Could not find kernel entry point!\n"); |
|
return 1; |
|
} |
|
|
|
if (images.os.type == IH_TYPE_KERNEL_NOLOAD) { |
|
if (CONFIG_IS_ENABLED(CMD_BOOTI) && |
|
images.os.arch == IH_ARCH_ARM64) { |
|
ulong image_addr; |
|
ulong image_size; |
|
|
|
ret = booti_setup(images.os.image_start, &image_addr, |
|
&image_size, true); |
|
if (ret != 0) |
|
return 1; |
|
|
|
images.os.type = IH_TYPE_KERNEL; |
|
images.os.load = image_addr; |
|
images.ep = image_addr; |
|
} else { |
|
images.os.load = images.os.image_start; |
|
images.ep += images.os.image_start; |
|
} |
|
} |
|
|
|
images.os.start = map_to_sysmem(os_hdr); |
|
|
|
return 0; |
|
} |
|
|
|
/** |
|
* bootm_find_images - wrapper to find and locate various images |
|
* @flag: Ignored Argument |
|
* @argc: command argument count |
|
* @argv: command argument list |
|
* |
|
* boot_find_images() will attempt to load an available ramdisk, |
|
* flattened device tree, as well as specifically marked |
|
* "loadable" images (loadables are FIT only) |
|
* |
|
* Note: bootm_find_images will skip an image if it is not found |
|
* |
|
* @return: |
|
* 0, if all existing images were loaded correctly |
|
* 1, if an image is found but corrupted, or invalid |
|
*/ |
|
int bootm_find_images(int flag, int argc, char * const argv[]) |
|
{ |
|
int ret; |
|
|
|
/* find ramdisk */ |
|
ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH, |
|
&images.rd_start, &images.rd_end); |
|
if (ret) { |
|
puts("Ramdisk image is corrupt or invalid\n"); |
|
return 1; |
|
} |
|
|
|
#if IMAGE_ENABLE_OF_LIBFDT |
|
/* find flattened device tree */ |
|
ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images, |
|
&images.ft_addr, &images.ft_len); |
|
if (ret) { |
|
puts("Could not find a valid device tree\n"); |
|
return 1; |
|
} |
|
set_working_fdt_addr(map_to_sysmem(images.ft_addr)); |
|
#endif |
|
|
|
#if IMAGE_ENABLE_FIT |
|
#if defined(CONFIG_FPGA) |
|
/* find bitstreams */ |
|
ret = boot_get_fpga(argc, argv, &images, IH_ARCH_DEFAULT, |
|
NULL, NULL); |
|
if (ret) { |
|
printf("FPGA image is corrupted or invalid\n"); |
|
return 1; |
|
} |
|
#endif |
|
|
|
/* find all of the loadables */ |
|
ret = boot_get_loadable(argc, argv, &images, IH_ARCH_DEFAULT, |
|
NULL, NULL); |
|
if (ret) { |
|
printf("Loadable(s) is corrupt or invalid\n"); |
|
return 1; |
|
} |
|
#endif |
|
|
|
return 0; |
|
} |
|
|
|
static int bootm_find_other(cmd_tbl_t *cmdtp, int flag, int argc, |
|
char * const argv[]) |
|
{ |
|
if (((images.os.type == IH_TYPE_KERNEL) || |
|
(images.os.type == IH_TYPE_KERNEL_NOLOAD) || |
|
(images.os.type == IH_TYPE_MULTI)) && |
|
(images.os.os == IH_OS_LINUX || |
|
images.os.os == IH_OS_VXWORKS)) |
|
return bootm_find_images(flag, argc, argv); |
|
|
|
return 0; |
|
} |
|
#endif /* USE_HOSTC */ |
|
|
|
/** |
|
* print_decomp_msg() - Print a suitable decompression/loading message |
|
* |
|
* @type: OS type (IH_OS_...) |
|
* @comp_type: Compression type being used (IH_COMP_...) |
|
* @is_xip: true if the load address matches the image start |
|
*/ |
|
static void print_decomp_msg(int comp_type, int type, bool is_xip) |
|
{ |
|
const char *name = genimg_get_type_name(type); |
|
|
|
if (comp_type == IH_COMP_NONE) |
|
printf(" %s %s ... ", is_xip ? "XIP" : "Loading", name); |
|
else |
|
printf(" Uncompressing %s ... ", name); |
|
} |
|
|
|
/** |
|
* handle_decomp_error() - display a decompression error |
|
* |
|
* This function tries to produce a useful message. In the case where the |
|
* uncompressed size is the same as the available space, we can assume that |
|
* the image is too large for the buffer. |
|
* |
|
* @comp_type: Compression type being used (IH_COMP_...) |
|
* @uncomp_size: Number of bytes uncompressed |
|
* @unc_len: Amount of space available for decompression |
|
* @ret: Error code to report |
|
* @return BOOTM_ERR_RESET, indicating that the board must be reset |
|
*/ |
|
static int handle_decomp_error(int comp_type, size_t uncomp_size, |
|
size_t unc_len, int ret) |
|
{ |
|
const char *name = genimg_get_comp_name(comp_type); |
|
|
|
if (uncomp_size >= unc_len) |
|
printf("Image too large: increase CONFIG_SYS_BOOTM_LEN\n"); |
|
else |
|
printf("%s: uncompress error %d\n", name, ret); |
|
|
|
/* |
|
* The decompression routines are now safe, so will not write beyond |
|
* their bounds. Probably it is not necessary to reset, but maintain |
|
* the current behaviour for now. |
|
*/ |
|
printf("Must RESET board to recover\n"); |
|
#ifndef USE_HOSTCC |
|
bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); |
|
#endif |
|
|
|
return BOOTM_ERR_RESET; |
|
} |
|
|
|
int bootm_decomp_image(int comp, ulong load, ulong image_start, int type, |
|
void *load_buf, void *image_buf, ulong image_len, |
|
uint unc_len, ulong *load_end) |
|
{ |
|
int ret = 0; |
|
|
|
*load_end = load; |
|
print_decomp_msg(comp, type, load == image_start); |
|
|
|
/* |
|
* Load the image to the right place, decompressing if needed. After |
|
* this, image_len will be set to the number of uncompressed bytes |
|
* loaded, ret will be non-zero on error. |
|
*/ |
|
switch (comp) { |
|
case IH_COMP_NONE: |
|
if (load == image_start) |
|
break; |
|
if (image_len <= unc_len) |
|
memmove_wd(load_buf, image_buf, image_len, CHUNKSZ); |
|
else |
|
ret = 1; |
|
break; |
|
#ifdef CONFIG_GZIP |
|
case IH_COMP_GZIP: { |
|
ret = gunzip(load_buf, unc_len, image_buf, &image_len); |
|
break; |
|
} |
|
#endif /* CONFIG_GZIP */ |
|
#ifdef CONFIG_BZIP2 |
|
case IH_COMP_BZIP2: { |
|
uint size = unc_len; |
|
|
|
/* |
|
* If we've got less than 4 MB of malloc() space, |
|
* use slower decompression algorithm which requires |
|
* at most 2300 KB of memory. |
|
*/ |
|
ret = BZ2_bzBuffToBuffDecompress(load_buf, &size, |
|
image_buf, image_len, |
|
CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0); |
|
image_len = size; |
|
break; |
|
} |
|
#endif /* CONFIG_BZIP2 */ |
|
#ifdef CONFIG_LZMA |
|
case IH_COMP_LZMA: { |
|
SizeT lzma_len = unc_len; |
|
|
|
ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len, |
|
image_buf, image_len); |
|
image_len = lzma_len; |
|
break; |
|
} |
|
#endif /* CONFIG_LZMA */ |
|
#ifdef CONFIG_LZO |
|
case IH_COMP_LZO: { |
|
size_t size = unc_len; |
|
|
|
ret = lzop_decompress(image_buf, image_len, load_buf, &size); |
|
image_len = size; |
|
break; |
|
} |
|
#endif /* CONFIG_LZO */ |
|
#ifdef CONFIG_LZ4 |
|
case IH_COMP_LZ4: { |
|
size_t size = unc_len; |
|
|
|
ret = ulz4fn(image_buf, image_len, load_buf, &size); |
|
image_len = size; |
|
break; |
|
} |
|
#endif /* CONFIG_LZ4 */ |
|
default: |
|
printf("Unimplemented compression type %d\n", comp); |
|
return BOOTM_ERR_UNIMPLEMENTED; |
|
} |
|
|
|
if (ret) |
|
return handle_decomp_error(comp, image_len, unc_len, ret); |
|
*load_end = load + image_len; |
|
|
|
puts("OK\n"); |
|
|
|
return 0; |
|
} |
|
|
|
#ifndef USE_HOSTCC |
|
static int bootm_load_os(bootm_headers_t *images, int boot_progress) |
|
{ |
|
image_info_t os = images->os; |
|
ulong load = os.load; |
|
ulong load_end; |
|
ulong blob_start = os.start; |
|
ulong blob_end = os.end; |
|
ulong image_start = os.image_start; |
|
ulong image_len = os.image_len; |
|
ulong flush_start = ALIGN_DOWN(load, ARCH_DMA_MINALIGN); |
|
ulong flush_len; |
|
bool no_overlap; |
|
void *load_buf, *image_buf; |
|
int err; |
|
|
|
load_buf = map_sysmem(load, 0); |
|
image_buf = map_sysmem(os.image_start, image_len); |
|
err = bootm_decomp_image(os.comp, load, os.image_start, os.type, |
|
load_buf, image_buf, image_len, |
|
CONFIG_SYS_BOOTM_LEN, &load_end); |
|
if (err) { |
|
bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); |
|
return err; |
|
} |
|
|
|
flush_len = load_end - load; |
|
if (flush_start < load) |
|
flush_len += load - flush_start; |
|
|
|
flush_cache(flush_start, ALIGN(flush_len, ARCH_DMA_MINALIGN)); |
|
|
|
debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, load_end); |
|
bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED); |
|
|
|
no_overlap = (os.comp == IH_COMP_NONE && load == image_start); |
|
|
|
if (!no_overlap && load < blob_end && load_end > blob_start) { |
|
debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n", |
|
blob_start, blob_end); |
|
debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load, |
|
load_end); |
|
|
|
/* Check what type of image this is. */ |
|
if (images->legacy_hdr_valid) { |
|
if (image_get_type(&images->legacy_hdr_os_copy) |
|
== IH_TYPE_MULTI) |
|
puts("WARNING: legacy format multi component image overwritten\n"); |
|
return BOOTM_ERR_OVERLAP; |
|
} else { |
|
puts("ERROR: new format image overwritten - must RESET the board to recover\n"); |
|
bootstage_error(BOOTSTAGE_ID_OVERWRITTEN); |
|
return BOOTM_ERR_RESET; |
|
} |
|
} |
|
|
|
lmb_reserve(&images->lmb, images->os.load, (load_end - |
|
images->os.load)); |
|
return 0; |
|
} |
|
|
|
/** |
|
* bootm_disable_interrupts() - Disable interrupts in preparation for load/boot |
|
* |
|
* @return interrupt flag (0 if interrupts were disabled, non-zero if they were |
|
* enabled) |
|
*/ |
|
ulong bootm_disable_interrupts(void) |
|
{ |
|
ulong iflag; |
|
|
|
/* |
|
* We have reached the point of no return: we are going to |
|
* overwrite all exception vector code, so we cannot easily |
|
* recover from any failures any more... |
|
*/ |
|
iflag = disable_interrupts(); |
|
#ifdef CONFIG_NETCONSOLE |
|
/* Stop the ethernet stack if NetConsole could have left it up */ |
|
eth_halt(); |
|
# ifndef CONFIG_DM_ETH |
|
eth_unregister(eth_get_dev()); |
|
# endif |
|
#endif |
|
|
|
#if defined(CONFIG_CMD_USB) |
|
/* |
|
* turn off USB to prevent the host controller from writing to the |
|
* SDRAM while Linux is booting. This could happen (at least for OHCI |
|
* controller), because the HCCA (Host Controller Communication Area) |
|
* lies within the SDRAM and the host controller writes continously to |
|
* this area (as busmaster!). The HccaFrameNumber is for example |
|
* updated every 1 ms within the HCCA structure in SDRAM! For more |
|
* details see the OpenHCI specification. |
|
*/ |
|
usb_stop(); |
|
#endif |
|
return iflag; |
|
} |
|
|
|
#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY) |
|
|
|
#define CONSOLE_ARG "console=" |
|
#define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1) |
|
|
|
static void fixup_silent_linux(void) |
|
{ |
|
char *buf; |
|
const char *env_val; |
|
char *cmdline = env_get("bootargs"); |
|
int want_silent; |
|
|
|
/* |
|
* Only fix cmdline when requested. The environment variable can be: |
|
* |
|
* no - we never fixup |
|
* yes - we always fixup |
|
* unset - we rely on the console silent flag |
|
*/ |
|
want_silent = env_get_yesno("silent_linux"); |
|
if (want_silent == 0) |
|
return; |
|
else if (want_silent == -1 && !(gd->flags & GD_FLG_SILENT)) |
|
return; |
|
|
|
debug("before silent fix-up: %s\n", cmdline); |
|
if (cmdline && (cmdline[0] != '\0')) { |
|
char *start = strstr(cmdline, CONSOLE_ARG); |
|
|
|
/* Allocate space for maximum possible new command line */ |
|
buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1); |
|
if (!buf) { |
|
debug("%s: out of memory\n", __func__); |
|
return; |
|
} |
|
|
|
if (start) { |
|
char *end = strchr(start, ' '); |
|
int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN; |
|
|
|
strncpy(buf, cmdline, num_start_bytes); |
|
if (end) |
|
strcpy(buf + num_start_bytes, end); |
|
else |
|
buf[num_start_bytes] = '\0'; |
|
} else { |
|
sprintf(buf, "%s %s", cmdline, CONSOLE_ARG); |
|
} |
|
env_val = buf; |
|
} else { |
|
buf = NULL; |
|
env_val = CONSOLE_ARG; |
|
} |
|
|
|
env_set("bootargs", env_val); |
|
debug("after silent fix-up: %s\n", env_val); |
|
free(buf); |
|
} |
|
#endif /* CONFIG_SILENT_CONSOLE */ |
|
|
|
/** |
|
* Execute selected states of the bootm command. |
|
* |
|
* Note the arguments to this state must be the first argument, Any 'bootm' |
|
* or sub-command arguments must have already been taken. |
|
* |
|
* Note that if states contains more than one flag it MUST contain |
|
* BOOTM_STATE_START, since this handles and consumes the command line args. |
|
* |
|
* Also note that aside from boot_os_fn functions and bootm_load_os no other |
|
* functions we store the return value of in 'ret' may use a negative return |
|
* value, without special handling. |
|
* |
|
* @param cmdtp Pointer to bootm command table entry |
|
* @param flag Command flags (CMD_FLAG_...) |
|
* @param argc Number of subcommand arguments (0 = no arguments) |
|
* @param argv Arguments |
|
* @param states Mask containing states to run (BOOTM_STATE_...) |
|
* @param images Image header information |
|
* @param boot_progress 1 to show boot progress, 0 to not do this |
|
* @return 0 if ok, something else on error. Some errors will cause this |
|
* function to perform a reboot! If states contains BOOTM_STATE_OS_GO |
|
* then the intent is to boot an OS, so this function will not return |
|
* unless the image type is standalone. |
|
*/ |
|
int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], |
|
int states, bootm_headers_t *images, int boot_progress) |
|
{ |
|
boot_os_fn *boot_fn; |
|
ulong iflag = 0; |
|
int ret = 0, need_boot_fn; |
|
|
|
images->state |= states; |
|
|
|
/* |
|
* Work through the states and see how far we get. We stop on |
|
* any error. |
|
*/ |
|
if (states & BOOTM_STATE_START) |
|
ret = bootm_start(cmdtp, flag, argc, argv); |
|
|
|
if (!ret && (states & BOOTM_STATE_FINDOS)) |
|
ret = bootm_find_os(cmdtp, flag, argc, argv); |
|
|
|
if (!ret && (states & BOOTM_STATE_FINDOTHER)) |
|
ret = bootm_find_other(cmdtp, flag, argc, argv); |
|
|
|
/* Load the OS */ |
|
if (!ret && (states & BOOTM_STATE_LOADOS)) { |
|
iflag = bootm_disable_interrupts(); |
|
ret = bootm_load_os(images, 0); |
|
if (ret && ret != BOOTM_ERR_OVERLAP) |
|
goto err; |
|
else if (ret == BOOTM_ERR_OVERLAP) |
|
ret = 0; |
|
} |
|
|
|
/* Relocate the ramdisk */ |
|
#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH |
|
if (!ret && (states & BOOTM_STATE_RAMDISK)) { |
|
ulong rd_len = images->rd_end - images->rd_start; |
|
|
|
ret = boot_ramdisk_high(&images->lmb, images->rd_start, |
|
rd_len, &images->initrd_start, &images->initrd_end); |
|
if (!ret) { |
|
env_set_hex("initrd_start", images->initrd_start); |
|
env_set_hex("initrd_end", images->initrd_end); |
|
} |
|
} |
|
#endif |
|
#if IMAGE_ENABLE_OF_LIBFDT && defined(CONFIG_LMB) |
|
if (!ret && (states & BOOTM_STATE_FDT)) { |
|
boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr); |
|
ret = boot_relocate_fdt(&images->lmb, &images->ft_addr, |
|
&images->ft_len); |
|
} |
|
#endif |
|
|
|
/* From now on, we need the OS boot function */ |
|
if (ret) |
|
return ret; |
|
boot_fn = bootm_os_get_boot_func(images->os.os); |
|
need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE | |
|
BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP | |
|
BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO); |
|
if (boot_fn == NULL && need_boot_fn) { |
|
if (iflag) |
|
enable_interrupts(); |
|
printf("ERROR: booting os '%s' (%d) is not supported\n", |
|
genimg_get_os_name(images->os.os), images->os.os); |
|
bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS); |
|
return 1; |
|
} |
|
|
|
|
|
/* Call various other states that are not generally used */ |
|
if (!ret && (states & BOOTM_STATE_OS_CMDLINE)) |
|
ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images); |
|
if (!ret && (states & BOOTM_STATE_OS_BD_T)) |
|
ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images); |
|
if (!ret && (states & BOOTM_STATE_OS_PREP)) { |
|
#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY) |
|
if (images->os.os == IH_OS_LINUX) |
|
fixup_silent_linux(); |
|
#endif |
|
ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images); |
|
} |
|
|
|
#ifdef CONFIG_TRACE |
|
/* Pretend to run the OS, then run a user command */ |
|
if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) { |
|
char *cmd_list = env_get("fakegocmd"); |
|
|
|
ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO, |
|
images, boot_fn); |
|
if (!ret && cmd_list) |
|
ret = run_command_list(cmd_list, -1, flag); |
|
} |
|
#endif |
|
|
|
/* Check for unsupported subcommand. */ |
|
if (ret) { |
|
puts("subcommand not supported\n"); |
|
return ret; |
|
} |
|
|
|
/* Now run the OS! We hope this doesn't return */ |
|
if (!ret && (states & BOOTM_STATE_OS_GO)) |
|
ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO, |
|
images, boot_fn); |
|
|
|
/* Deal with any fallout */ |
|
err: |
|
if (iflag) |
|
enable_interrupts(); |
|
|
|
if (ret == BOOTM_ERR_UNIMPLEMENTED) |
|
bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL); |
|
else if (ret == BOOTM_ERR_RESET) |
|
do_reset(cmdtp, flag, argc, argv); |
|
|
|
return ret; |
|
} |
|
|
|
#if defined(CONFIG_IMAGE_FORMAT_LEGACY) |
|
/** |
|
* image_get_kernel - verify legacy format kernel image |
|
* @img_addr: in RAM address of the legacy format image to be verified |
|
* @verify: data CRC verification flag |
|
* |
|
* image_get_kernel() verifies legacy image integrity and returns pointer to |
|
* legacy image header if image verification was completed successfully. |
|
* |
|
* returns: |
|
* pointer to a legacy image header if valid image was found |
|
* otherwise return NULL |
|
*/ |
|
static image_header_t *image_get_kernel(ulong img_addr, int verify) |
|
{ |
|
image_header_t *hdr = (image_header_t *)img_addr; |
|
|
|
if (!image_check_magic(hdr)) { |
|
puts("Bad Magic Number\n"); |
|
bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC); |
|
return NULL; |
|
} |
|
bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER); |
|
|
|
if (!image_check_hcrc(hdr)) { |
|
puts("Bad Header Checksum\n"); |
|
bootstage_error(BOOTSTAGE_ID_CHECK_HEADER); |
|
return NULL; |
|
} |
|
|
|
bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM); |
|
image_print_contents(hdr); |
|
|
|
if (verify) { |
|
puts(" Verifying Checksum ... "); |
|
if (!image_check_dcrc(hdr)) { |
|
printf("Bad Data CRC\n"); |
|
bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM); |
|
return NULL; |
|
} |
|
puts("OK\n"); |
|
} |
|
bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH); |
|
|
|
if (!image_check_target_arch(hdr)) { |
|
printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr)); |
|
bootstage_error(BOOTSTAGE_ID_CHECK_ARCH); |
|
return NULL; |
|
} |
|
return hdr; |
|
} |
|
#endif |
|
|
|
/** |
|
* boot_get_kernel - find kernel image |
|
* @os_data: pointer to a ulong variable, will hold os data start address |
|
* @os_len: pointer to a ulong variable, will hold os data length |
|
* |
|
* boot_get_kernel() tries to find a kernel image, verifies its integrity |
|
* and locates kernel data. |
|
* |
|
* returns: |
|
* pointer to image header if valid image was found, plus kernel start |
|
* address and length, otherwise NULL |
|
*/ |
|
static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc, |
|
char * const argv[], bootm_headers_t *images, |
|
ulong *os_data, ulong *os_len) |
|
{ |
|
#if defined(CONFIG_IMAGE_FORMAT_LEGACY) |
|
image_header_t *hdr; |
|
#endif |
|
ulong img_addr; |
|
const void *buf; |
|
const char *fit_uname_config = NULL; |
|
const char *fit_uname_kernel = NULL; |
|
#if IMAGE_ENABLE_FIT |
|
int os_noffset; |
|
#endif |
|
|
|
img_addr = genimg_get_kernel_addr_fit(argc < 1 ? NULL : argv[0], |
|
&fit_uname_config, |
|
&fit_uname_kernel); |
|
|
|
bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC); |
|
|
|
/* check image type, for FIT images get FIT kernel node */ |
|
*os_data = *os_len = 0; |
|
buf = map_sysmem(img_addr, 0); |
|
switch (genimg_get_format(buf)) { |
|
#if defined(CONFIG_IMAGE_FORMAT_LEGACY) |
|
case IMAGE_FORMAT_LEGACY: |
|
printf("## Booting kernel from Legacy Image at %08lx ...\n", |
|
img_addr); |
|
hdr = image_get_kernel(img_addr, images->verify); |
|
if (!hdr) |
|
return NULL; |
|
bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE); |
|
|
|
/* get os_data and os_len */ |
|
switch (image_get_type(hdr)) { |
|
case IH_TYPE_KERNEL: |
|
case IH_TYPE_KERNEL_NOLOAD: |
|
*os_data = image_get_data(hdr); |
|
*os_len = image_get_data_size(hdr); |
|
break; |
|
case IH_TYPE_MULTI: |
|
image_multi_getimg(hdr, 0, os_data, os_len); |
|
break; |
|
case IH_TYPE_STANDALONE: |
|
*os_data = image_get_data(hdr); |
|
*os_len = image_get_data_size(hdr); |
|
break; |
|
default: |
|
printf("Wrong Image Type for %s command\n", |
|
cmdtp->name); |
|
bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE); |
|
return NULL; |
|
} |
|
|
|
/* |
|
* copy image header to allow for image overwrites during |
|
* kernel decompression. |
|
*/ |
|
memmove(&images->legacy_hdr_os_copy, hdr, |
|
sizeof(image_header_t)); |
|
|
|
/* save pointer to image header */ |
|
images->legacy_hdr_os = hdr; |
|
|
|
images->legacy_hdr_valid = 1; |
|
bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE); |
|
break; |
|
#endif |
|
#if IMAGE_ENABLE_FIT |
|
case IMAGE_FORMAT_FIT: |
|
os_noffset = fit_image_load(images, img_addr, |
|
&fit_uname_kernel, &fit_uname_config, |
|
IH_ARCH_DEFAULT, IH_TYPE_KERNEL, |
|
BOOTSTAGE_ID_FIT_KERNEL_START, |
|
FIT_LOAD_IGNORED, os_data, os_len); |
|
if (os_noffset < 0) |
|
return NULL; |
|
|
|
images->fit_hdr_os = map_sysmem(img_addr, 0); |
|
images->fit_uname_os = fit_uname_kernel; |
|
images->fit_uname_cfg = fit_uname_config; |
|
images->fit_noffset_os = os_noffset; |
|
break; |
|
#endif |
|
#ifdef CONFIG_ANDROID_BOOT_IMAGE |
|
case IMAGE_FORMAT_ANDROID: |
|
printf("## Booting Android Image at 0x%08lx ...\n", img_addr); |
|
if (android_image_get_kernel(buf, images->verify, |
|
os_data, os_len)) |
|
return NULL; |
|
break; |
|
#endif |
|
default: |
|
printf("Wrong Image Format for %s command\n", cmdtp->name); |
|
bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO); |
|
return NULL; |
|
} |
|
|
|
debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n", |
|
*os_data, *os_len, *os_len); |
|
|
|
return buf; |
|
} |
|
#else /* USE_HOSTCC */ |
|
|
|
void memmove_wd(void *to, void *from, size_t len, ulong chunksz) |
|
{ |
|
memmove(to, from, len); |
|
} |
|
|
|
static int bootm_host_load_image(const void *fit, int req_image_type) |
|
{ |
|
const char *fit_uname_config = NULL; |
|
ulong data, len; |
|
bootm_headers_t images; |
|
int noffset; |
|
ulong load_end; |
|
uint8_t image_type; |
|
uint8_t imape_comp; |
|
void *load_buf; |
|
int ret; |
|
|
|
memset(&images, '\0', sizeof(images)); |
|
images.verify = 1; |
|
noffset = fit_image_load(&images, (ulong)fit, |
|
NULL, &fit_uname_config, |
|
IH_ARCH_DEFAULT, req_image_type, -1, |
|
FIT_LOAD_IGNORED, &data, &len); |
|
if (noffset < 0) |
|
return noffset; |
|
if (fit_image_get_type(fit, noffset, &image_type)) { |
|
puts("Can't get image type!\n"); |
|
return -EINVAL; |
|
} |
|
|
|
if (fit_image_get_comp(fit, noffset, &imape_comp)) { |
|
puts("Can't get image compression!\n"); |
|
return -EINVAL; |
|
} |
|
|
|
/* Allow the image to expand by a factor of 4, should be safe */ |
|
load_buf = malloc((1 << 20) + len * 4); |
|
ret = bootm_decomp_image(imape_comp, 0, data, image_type, load_buf, |
|
(void *)data, len, CONFIG_SYS_BOOTM_LEN, |
|
&load_end); |
|
free(load_buf); |
|
|
|
if (ret && ret != BOOTM_ERR_UNIMPLEMENTED) |
|
return ret; |
|
|
|
return 0; |
|
} |
|
|
|
int bootm_host_load_images(const void *fit, int cfg_noffset) |
|
{ |
|
static uint8_t image_types[] = { |
|
IH_TYPE_KERNEL, |
|
IH_TYPE_FLATDT, |
|
IH_TYPE_RAMDISK, |
|
}; |
|
int err = 0; |
|
int i; |
|
|
|
for (i = 0; i < ARRAY_SIZE(image_types); i++) { |
|
int ret; |
|
|
|
ret = bootm_host_load_image(fit, image_types[i]); |
|
if (!err && ret && ret != -ENOENT) |
|
err = ret; |
|
} |
|
|
|
/* Return the first error we found */ |
|
return err; |
|
} |
|
|
|
#endif /* ndef USE_HOSTCC */
|
|
|