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image.c
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/*
* (C) Copyright 2008 Semihalf
*
* (C) Copyright 2000-2006
* Wolfgang Denk, DENX Software Engineering, [email protected].
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef USE_HOSTCC
#include <common.h>
#include <watchdog.h>
#ifdef CONFIG_SHOW_BOOT_PROGRESS
#include <status_led.h>
#endif
#ifdef CONFIG_HAS_DATAFLASH
#include <dataflash.h>
#endif
#ifdef CONFIG_LOGBUFFER
#include <logbuff.h>
#endif
#include <rtc.h>
#include <environment.h>
#include <image.h>
#include <mapmem.h>
#if IMAGE_ENABLE_FIT || IMAGE_ENABLE_OF_LIBFDT
#include <libfdt.h>
#include <fdt_support.h>
#include <fpga.h>
#include <xilinx.h>
#endif
#include <u-boot/md5.h>
#include <u-boot/sha1.h>
#include <linux/errno.h>
#include <asm/io.h>
#ifdef CONFIG_CMD_BDI
extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
#endif
DECLARE_GLOBAL_DATA_PTR;
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
int verify);
#endif
#else
#include "mkimage.h"
#include <u-boot/md5.h>
#include <time.h>
#include <image.h>
#ifndef __maybe_unused
# define __maybe_unused /* unimplemented */
#endif
#endif /* !USE_HOSTCC*/
#include <u-boot/crc.h>
#ifndef CONFIG_SYS_BARGSIZE
#define CONFIG_SYS_BARGSIZE 512
#endif
static const table_entry_t uimage_arch[] = {
{ IH_ARCH_INVALID, "invalid", "Invalid ARCH", },
{ IH_ARCH_ALPHA, "alpha", "Alpha", },
{ IH_ARCH_ARM, "arm", "ARM", },
{ IH_ARCH_I386, "x86", "Intel x86", },
{ IH_ARCH_IA64, "ia64", "IA64", },
{ IH_ARCH_M68K, "m68k", "M68K", },
{ IH_ARCH_MICROBLAZE, "microblaze", "MicroBlaze", },
{ IH_ARCH_MIPS, "mips", "MIPS", },
{ IH_ARCH_MIPS64, "mips64", "MIPS 64 Bit", },
{ IH_ARCH_NIOS2, "nios2", "NIOS II", },
{ IH_ARCH_PPC, "powerpc", "PowerPC", },
{ IH_ARCH_PPC, "ppc", "PowerPC", },
{ IH_ARCH_S390, "s390", "IBM S390", },
{ IH_ARCH_SH, "sh", "SuperH", },
{ IH_ARCH_SPARC, "sparc", "SPARC", },
{ IH_ARCH_SPARC64, "sparc64", "SPARC 64 Bit", },
{ IH_ARCH_BLACKFIN, "blackfin", "Blackfin", },
{ IH_ARCH_AVR32, "avr32", "AVR32", },
{ IH_ARCH_NDS32, "nds32", "NDS32", },
{ IH_ARCH_OPENRISC, "or1k", "OpenRISC 1000",},
{ IH_ARCH_SANDBOX, "sandbox", "Sandbox", },
{ IH_ARCH_ARM64, "arm64", "AArch64", },
{ IH_ARCH_ARC, "arc", "ARC", },
{ IH_ARCH_X86_64, "x86_64", "AMD x86_64", },
{ IH_ARCH_XTENSA, "xtensa", "Xtensa", },
{ -1, "", "", },
};
static const table_entry_t uimage_os[] = {
{ IH_OS_INVALID, "invalid", "Invalid OS", },
{ IH_OS_LINUX, "linux", "Linux", },
#if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC)
{ IH_OS_LYNXOS, "lynxos", "LynxOS", },
#endif
{ IH_OS_NETBSD, "netbsd", "NetBSD", },
{ IH_OS_OSE, "ose", "Enea OSE", },
{ IH_OS_PLAN9, "plan9", "Plan 9", },
{ IH_OS_RTEMS, "rtems", "RTEMS", },
{ IH_OS_U_BOOT, "u-boot", "U-Boot", },
{ IH_OS_VXWORKS, "vxworks", "VxWorks", },
#if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC)
{ IH_OS_QNX, "qnx", "QNX", },
#endif
#if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC)
{ IH_OS_INTEGRITY,"integrity", "INTEGRITY", },
#endif
#ifdef USE_HOSTCC
{ IH_OS_4_4BSD, "4_4bsd", "4_4BSD", },
{ IH_OS_DELL, "dell", "Dell", },
{ IH_OS_ESIX, "esix", "Esix", },
{ IH_OS_FREEBSD, "freebsd", "FreeBSD", },
{ IH_OS_IRIX, "irix", "Irix", },
{ IH_OS_NCR, "ncr", "NCR", },
{ IH_OS_OPENBSD, "openbsd", "OpenBSD", },
{ IH_OS_PSOS, "psos", "pSOS", },
{ IH_OS_SCO, "sco", "SCO", },
{ IH_OS_SOLARIS, "solaris", "Solaris", },
{ IH_OS_SVR4, "svr4", "SVR4", },
#endif
#if defined(CONFIG_BOOTM_OPENRTOS) || defined(USE_HOSTCC)
{ IH_OS_OPENRTOS, "openrtos", "OpenRTOS", },
#endif
{ -1, "", "", },
};
static const table_entry_t uimage_type[] = {
{ IH_TYPE_AISIMAGE, "aisimage", "Davinci AIS image",},
{ IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", },
{ IH_TYPE_FIRMWARE, "firmware", "Firmware", },
{ IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", },
{ IH_TYPE_GPIMAGE, "gpimage", "TI Keystone SPL Image",},
{ IH_TYPE_KERNEL, "kernel", "Kernel Image", },
{ IH_TYPE_KERNEL_NOLOAD, "kernel_noload", "Kernel Image (no loading done)", },
{ IH_TYPE_KWBIMAGE, "kwbimage", "Kirkwood Boot Image",},
{ IH_TYPE_IMXIMAGE, "imximage", "Freescale i.MX Boot Image",},
{ IH_TYPE_INVALID, "invalid", "Invalid Image", },
{ IH_TYPE_MULTI, "multi", "Multi-File Image", },
{ IH_TYPE_OMAPIMAGE, "omapimage", "TI OMAP SPL With GP CH",},
{ IH_TYPE_PBLIMAGE, "pblimage", "Freescale PBL Boot Image",},
{ IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", },
{ IH_TYPE_SCRIPT, "script", "Script", },
{ IH_TYPE_SOCFPGAIMAGE, "socfpgaimage", "Altera SOCFPGA preloader",},
{ IH_TYPE_STANDALONE, "standalone", "Standalone Program", },
{ IH_TYPE_UBLIMAGE, "ublimage", "Davinci UBL image",},
{ IH_TYPE_MXSIMAGE, "mxsimage", "Freescale MXS Boot Image",},
{ IH_TYPE_ATMELIMAGE, "atmelimage", "ATMEL ROM-Boot Image",},
{ IH_TYPE_X86_SETUP, "x86_setup", "x86 setup.bin", },
{ IH_TYPE_LPC32XXIMAGE, "lpc32xximage", "LPC32XX Boot Image", },
{ IH_TYPE_RKIMAGE, "rkimage", "Rockchip Boot Image" },
{ IH_TYPE_RKSD, "rksd", "Rockchip SD Boot Image" },
{ IH_TYPE_RKSPI, "rkspi", "Rockchip SPI Boot Image" },
{ IH_TYPE_VYBRIDIMAGE, "vybridimage", "Vybrid Boot Image", },
{ IH_TYPE_ZYNQIMAGE, "zynqimage", "Xilinx Zynq Boot Image" },
{ IH_TYPE_ZYNQMPIMAGE, "zynqmpimage", "Xilinx ZynqMP Boot Image" },
{ IH_TYPE_FPGA, "fpga", "FPGA Image" },
{ IH_TYPE_TEE, "tee", "Trusted Execution Environment Image",},
{ IH_TYPE_FIRMWARE_IVT, "firmware_ivt", "Firmware with HABv4 IVT" },
{ -1, "", "", },
};
static const table_entry_t uimage_comp[] = {
{ IH_COMP_NONE, "none", "uncompressed", },
{ IH_COMP_BZIP2, "bzip2", "bzip2 compressed", },
{ IH_COMP_GZIP, "gzip", "gzip compressed", },
{ IH_COMP_LZMA, "lzma", "lzma compressed", },
{ IH_COMP_LZO, "lzo", "lzo compressed", },
{ IH_COMP_LZ4, "lz4", "lz4 compressed", },
{ -1, "", "", },
};
struct table_info {
const char *desc;
int count;
const table_entry_t *table;
};
static const struct table_info table_info[IH_COUNT] = {
{ "architecture", IH_ARCH_COUNT, uimage_arch },
{ "compression", IH_COMP_COUNT, uimage_comp },
{ "operating system", IH_OS_COUNT, uimage_os },
{ "image type", IH_TYPE_COUNT, uimage_type },
};
/*****************************************************************************/
/* Legacy format routines */
/*****************************************************************************/
int image_check_hcrc(const image_header_t *hdr)
{
ulong hcrc;
ulong len = image_get_header_size();
image_header_t header;
/* Copy header so we can blank CRC field for re-calculation */
memmove(&header, (char *)hdr, image_get_header_size());
image_set_hcrc(&header, 0);
hcrc = crc32(0, (unsigned char *)&header, len);
return (hcrc == image_get_hcrc(hdr));
}
int image_check_dcrc(const image_header_t *hdr)
{
ulong data = image_get_data(hdr);
ulong len = image_get_data_size(hdr);
ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32);
return (dcrc == image_get_dcrc(hdr));
}
/**
* image_multi_count - get component (sub-image) count
* @hdr: pointer to the header of the multi component image
*
* image_multi_count() returns number of components in a multi
* component image.
*
* Note: no checking of the image type is done, caller must pass
* a valid multi component image.
*
* returns:
* number of components
*/
ulong image_multi_count(const image_header_t *hdr)
{
ulong i, count = 0;
uint32_t *size;
/* get start of the image payload, which in case of multi
* component images that points to a table of component sizes */
size = (uint32_t *)image_get_data(hdr);
/* count non empty slots */
for (i = 0; size[i]; ++i)
count++;
return count;
}
/**
* image_multi_getimg - get component data address and size
* @hdr: pointer to the header of the multi component image
* @idx: index of the requested component
* @data: pointer to a ulong variable, will hold component data address
* @len: pointer to a ulong variable, will hold component size
*
* image_multi_getimg() returns size and data address for the requested
* component in a multi component image.
*
* Note: no checking of the image type is done, caller must pass
* a valid multi component image.
*
* returns:
* data address and size of the component, if idx is valid
* 0 in data and len, if idx is out of range
*/
void image_multi_getimg(const image_header_t *hdr, ulong idx,
ulong *data, ulong *len)
{
int i;
uint32_t *size;
ulong offset, count, img_data;
/* get number of component */
count = image_multi_count(hdr);
/* get start of the image payload, which in case of multi
* component images that points to a table of component sizes */
size = (uint32_t *)image_get_data(hdr);
/* get address of the proper component data start, which means
* skipping sizes table (add 1 for last, null entry) */
img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t);
if (idx < count) {
*len = uimage_to_cpu(size[idx]);
offset = 0;
/* go over all indices preceding requested component idx */
for (i = 0; i < idx; i++) {
/* add up i-th component size, rounding up to 4 bytes */
offset += (uimage_to_cpu(size[i]) + 3) & ~3 ;
}
/* calculate idx-th component data address */
*data = img_data + offset;
} else {
*len = 0;
*data = 0;
}
}
static void image_print_type(const image_header_t *hdr)
{
const char __maybe_unused *os, *arch, *type, *comp;
os = genimg_get_os_name(image_get_os(hdr));
arch = genimg_get_arch_name(image_get_arch(hdr));
type = genimg_get_type_name(image_get_type(hdr));
comp = genimg_get_comp_name(image_get_comp(hdr));
printf("%s %s %s (%s)\n", arch, os, type, comp);
}
/**
* image_print_contents - prints out the contents of the legacy format image
* @ptr: pointer to the legacy format image header
* @p: pointer to prefix string
*
* image_print_contents() formats a multi line legacy image contents description.
* The routine prints out all header fields followed by the size/offset data
* for MULTI/SCRIPT images.
*
* returns:
* no returned results
*/
void image_print_contents(const void *ptr)
{
const image_header_t *hdr = (const image_header_t *)ptr;
const char __maybe_unused *p;
p = IMAGE_INDENT_STRING;
printf("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name(hdr));
if (IMAGE_ENABLE_TIMESTAMP) {
printf("%sCreated: ", p);
genimg_print_time((time_t)image_get_time(hdr));
}
printf("%sImage Type: ", p);
image_print_type(hdr);
printf("%sData Size: ", p);
genimg_print_size(image_get_data_size(hdr));
printf("%sLoad Address: %08x\n", p, image_get_load(hdr));
printf("%sEntry Point: %08x\n", p, image_get_ep(hdr));
if (image_check_type(hdr, IH_TYPE_MULTI) ||
image_check_type(hdr, IH_TYPE_SCRIPT)) {
int i;
ulong data, len;
ulong count = image_multi_count(hdr);
printf("%sContents:\n", p);
for (i = 0; i < count; i++) {
image_multi_getimg(hdr, i, &data, &len);
printf("%s Image %d: ", p, i);
genimg_print_size(len);
if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) {
/*
* the user may need to know offsets
* if planning to do something with
* multiple files
*/
printf("%s Offset = 0x%08lx\n", p, data);
}
}
} else if (image_check_type(hdr, IH_TYPE_FIRMWARE_IVT)) {
printf("HAB Blocks: 0x%08x 0x0000 0x%08x\n",
image_get_load(hdr) - image_get_header_size(),
image_get_size(hdr) + image_get_header_size()
- 0x1FE0);
}
}
#ifndef USE_HOSTCC
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
/**
* image_get_ramdisk - get and verify ramdisk image
* @rd_addr: ramdisk image start address
* @arch: expected ramdisk architecture
* @verify: checksum verification flag
*
* image_get_ramdisk() returns a pointer to the verified ramdisk image
* header. Routine receives image start address and expected architecture
* flag. Verification done covers data and header integrity and os/type/arch
* fields checking.
*
* If dataflash support is enabled routine checks for dataflash addresses
* and handles required dataflash reads.
*
* returns:
* pointer to a ramdisk image header, if image was found and valid
* otherwise, return NULL
*/
static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
int verify)
{
const image_header_t *rd_hdr = (const image_header_t *)rd_addr;
if (!image_check_magic(rd_hdr)) {
puts("Bad Magic Number\n");
bootstage_error(BOOTSTAGE_ID_RD_MAGIC);
return NULL;
}
if (!image_check_hcrc(rd_hdr)) {
puts("Bad Header Checksum\n");
bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
return NULL;
}
bootstage_mark(BOOTSTAGE_ID_RD_MAGIC);
image_print_contents(rd_hdr);
if (verify) {
puts(" Verifying Checksum ... ");
if (!image_check_dcrc(rd_hdr)) {
puts("Bad Data CRC\n");
bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM);
return NULL;
}
puts("OK\n");
}
bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
if (!image_check_os(rd_hdr, IH_OS_LINUX) ||
!image_check_arch(rd_hdr, arch) ||
!image_check_type(rd_hdr, IH_TYPE_RAMDISK)) {
printf("No Linux %s Ramdisk Image\n",
genimg_get_arch_name(arch));
bootstage_error(BOOTSTAGE_ID_RAMDISK);
return NULL;
}
return rd_hdr;
}
#endif
#endif /* !USE_HOSTCC */
/*****************************************************************************/
/* Shared dual-format routines */
/*****************************************************************************/
#ifndef USE_HOSTCC
ulong load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */
ulong save_addr; /* Default Save Address */
ulong save_size; /* Default Save Size (in bytes) */
static int on_loadaddr(const char *name, const char *value, enum env_op op,
int flags)
{
switch (op) {
case env_op_create:
case env_op_overwrite:
load_addr = simple_strtoul(value, NULL, 16);
break;
default:
break;
}
return 0;
}
U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr);
ulong getenv_bootm_low(void)
{
char *s = getenv("bootm_low");
if (s) {
ulong tmp = simple_strtoul(s, NULL, 16);
return tmp;
}
#if defined(CONFIG_SYS_SDRAM_BASE)
return CONFIG_SYS_SDRAM_BASE;
#elif defined(CONFIG_ARM)
return gd->bd->bi_dram[0].start;
#else
return 0;
#endif
}
phys_size_t getenv_bootm_size(void)
{
phys_size_t tmp, size;
phys_addr_t start;
char *s = getenv("bootm_size");
if (s) {
tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
return tmp;
}
#if defined(CONFIG_ARM) && defined(CONFIG_NR_DRAM_BANKS)
start = gd->bd->bi_dram[0].start;
size = gd->bd->bi_dram[0].size;
#else
start = gd->bd->bi_memstart;
size = gd->bd->bi_memsize;
#endif
s = getenv("bootm_low");
if (s)
tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
else
tmp = start;
return size - (tmp - start);
}
phys_size_t getenv_bootm_mapsize(void)
{
phys_size_t tmp;
char *s = getenv("bootm_mapsize");
if (s) {
tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
return tmp;
}
#if defined(CONFIG_SYS_BOOTMAPSZ)
return CONFIG_SYS_BOOTMAPSZ;
#else
return getenv_bootm_size();
#endif
}
void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
{
if (to == from)
return;
#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
if (to > from) {
from += len;
to += len;
}
while (len > 0) {
size_t tail = (len > chunksz) ? chunksz : len;
WATCHDOG_RESET();
if (to > from) {
to -= tail;
from -= tail;
}
memmove(to, from, tail);
if (to < from) {
to += tail;
from += tail;
}
len -= tail;
}
#else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
memmove(to, from, len);
#endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
}
#endif /* !USE_HOSTCC */
void genimg_print_size(uint32_t size)
{
#ifndef USE_HOSTCC
printf("%d Bytes = ", size);
print_size(size, "\n");
#else
printf("%d Bytes = %.2f KiB = %.2f MiB\n",
size, (double)size / 1.024e3,
(double)size / 1.048576e6);
#endif
}
#if IMAGE_ENABLE_TIMESTAMP
void genimg_print_time(time_t timestamp)
{
#ifndef USE_HOSTCC
struct rtc_time tm;
rtc_to_tm(timestamp, &tm);
printf("%4d-%02d-%02d %2d:%02d:%02d UTC\n",
tm.tm_year, tm.tm_mon, tm.tm_mday,
tm.tm_hour, tm.tm_min, tm.tm_sec);
#else
printf("%s", ctime(×tamp));
#endif
}
#endif
const table_entry_t *get_table_entry(const table_entry_t *table, int id)
{
for (; table->id >= 0; ++table) {
if (table->id == id)
return table;
}
return NULL;
}
static const char *unknown_msg(enum ih_category category)
{
static const char unknown_str[] = "Unknown ";
static char msg[30];
strcpy(msg, unknown_str);
strncat(msg, table_info[category].desc,
sizeof(msg) - sizeof(unknown_str));
return msg;
}
/**
* get_cat_table_entry_name - translate entry id to long name
* @category: category to look up (enum ih_category)
* @id: entry id to be translated
*
* This will scan the translation table trying to find the entry that matches
* the given id.
*
* @retur long entry name if translation succeeds; error string on failure
*/
const char *genimg_get_cat_name(enum ih_category category, uint id)
{
const table_entry_t *entry;
entry = get_table_entry(table_info[category].table, id);
if (!entry)
return unknown_msg(category);
#if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
return entry->lname;
#else
return entry->lname + gd->reloc_off;
#endif
}
/**
* get_cat_table_entry_short_name - translate entry id to short name
* @category: category to look up (enum ih_category)
* @id: entry id to be translated
*
* This will scan the translation table trying to find the entry that matches
* the given id.
*
* @retur short entry name if translation succeeds; error string on failure
*/
const char *genimg_get_cat_short_name(enum ih_category category, uint id)
{
const table_entry_t *entry;
entry = get_table_entry(table_info[category].table, id);
if (!entry)
return unknown_msg(category);
#if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
return entry->sname;
#else
return entry->sname + gd->reloc_off;
#endif
}
int genimg_get_cat_count(enum ih_category category)
{
return table_info[category].count;
}
const char *genimg_get_cat_desc(enum ih_category category)
{
return table_info[category].desc;
}
/**
* get_table_entry_name - translate entry id to long name
* @table: pointer to a translation table for entries of a specific type
* @msg: message to be returned when translation fails
* @id: entry id to be translated
*
* get_table_entry_name() will go over translation table trying to find
* entry that matches given id. If matching entry is found, its long
* name is returned to the caller.
*
* returns:
* long entry name if translation succeeds
* msg otherwise
*/
char *get_table_entry_name(const table_entry_t *table, char *msg, int id)
{
table = get_table_entry(table, id);
if (!table)
return msg;
#if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
return table->lname;
#else
return table->lname + gd->reloc_off;
#endif
}
const char *genimg_get_os_name(uint8_t os)
{
return (get_table_entry_name(uimage_os, "Unknown OS", os));
}
const char *genimg_get_arch_name(uint8_t arch)
{
return (get_table_entry_name(uimage_arch, "Unknown Architecture",
arch));
}
const char *genimg_get_type_name(uint8_t type)
{
return (get_table_entry_name(uimage_type, "Unknown Image", type));
}
static const char *genimg_get_short_name(const table_entry_t *table, int val)
{
table = get_table_entry(table, val);
if (!table)
return "unknown";
#if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
return table->sname;
#else
return table->sname + gd->reloc_off;
#endif
}
const char *genimg_get_type_short_name(uint8_t type)
{
return genimg_get_short_name(uimage_type, type);
}
const char *genimg_get_comp_name(uint8_t comp)
{
return (get_table_entry_name(uimage_comp, "Unknown Compression",
comp));
}
const char *genimg_get_comp_short_name(uint8_t comp)
{
return genimg_get_short_name(uimage_comp, comp);
}
const char *genimg_get_os_short_name(uint8_t os)
{
return genimg_get_short_name(uimage_os, os);
}
const char *genimg_get_arch_short_name(uint8_t arch)
{
return genimg_get_short_name(uimage_arch, arch);
}
/**
* get_table_entry_id - translate short entry name to id
* @table: pointer to a translation table for entries of a specific type
* @table_name: to be used in case of error
* @name: entry short name to be translated
*
* get_table_entry_id() will go over translation table trying to find
* entry that matches given short name. If matching entry is found,
* its id returned to the caller.
*
* returns:
* entry id if translation succeeds
* -1 otherwise
*/
int get_table_entry_id(const table_entry_t *table,
const char *table_name, const char *name)
{
const table_entry_t *t;
for (t = table; t->id >= 0; ++t) {
#ifdef CONFIG_NEEDS_MANUAL_RELOC
if (t->sname && strcasecmp(t->sname + gd->reloc_off, name) == 0)
#else
if (t->sname && strcasecmp(t->sname, name) == 0)
#endif
return (t->id);
}
debug("Invalid %s Type: %s\n", table_name, name);
return -1;
}
int genimg_get_os_id(const char *name)
{
return (get_table_entry_id(uimage_os, "OS", name));
}
int genimg_get_arch_id(const char *name)
{
return (get_table_entry_id(uimage_arch, "CPU", name));
}
int genimg_get_type_id(const char *name)
{
return (get_table_entry_id(uimage_type, "Image", name));
}
int genimg_get_comp_id(const char *name)
{
return (get_table_entry_id(uimage_comp, "Compression", name));
}
#ifndef USE_HOSTCC
/**
* genimg_get_kernel_addr_fit - get the real kernel address and return 2
* FIT strings
* @img_addr: a string might contain real image address
* @fit_uname_config: double pointer to a char, will hold pointer to a
* configuration unit name
* @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage
* name
*
* genimg_get_kernel_addr_fit get the real kernel start address from a string
* which is normally the first argv of bootm/bootz
*
* returns:
* kernel start address
*/
ulong genimg_get_kernel_addr_fit(char * const img_addr,
const char **fit_uname_config,
const char **fit_uname_kernel)
{
ulong kernel_addr;
/* find out kernel image address */
if (!img_addr) {
kernel_addr = load_addr;
debug("* kernel: default image load address = 0x%08lx\n",
load_addr);
#if CONFIG_IS_ENABLED(FIT)
} else if (fit_parse_conf(img_addr, load_addr, &kernel_addr,
fit_uname_config)) {
debug("* kernel: config '%s' from image at 0x%08lx\n",
*fit_uname_config, kernel_addr);
} else if (fit_parse_subimage(img_addr, load_addr, &kernel_addr,
fit_uname_kernel)) {
debug("* kernel: subimage '%s' from image at 0x%08lx\n",
*fit_uname_kernel, kernel_addr);
#endif
} else {
kernel_addr = simple_strtoul(img_addr, NULL, 16);
debug("* kernel: cmdline image address = 0x%08lx\n",
kernel_addr);
}
return kernel_addr;
}
/**
* genimg_get_kernel_addr() is the simple version of
* genimg_get_kernel_addr_fit(). It ignores those return FIT strings
*/
ulong genimg_get_kernel_addr(char * const img_addr)
{
const char *fit_uname_config = NULL;
const char *fit_uname_kernel = NULL;
return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config,
&fit_uname_kernel);
}
/**
* genimg_get_format - get image format type
* @img_addr: image start address
*
* genimg_get_format() checks whether provided address points to a valid
* legacy or FIT image.
*
* New uImage format and FDT blob are based on a libfdt. FDT blob
* may be passed directly or embedded in a FIT image. In both situations
* genimg_get_format() must be able to dectect libfdt header.
*
* returns:
* image format type or IMAGE_FORMAT_INVALID if no image is present
*/
int genimg_get_format(const void *img_addr)
{
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
const image_header_t *hdr;
hdr = (const image_header_t *)img_addr;
if (image_check_magic(hdr))
return IMAGE_FORMAT_LEGACY;
#endif
#if IMAGE_ENABLE_FIT || IMAGE_ENABLE_OF_LIBFDT
if (fdt_check_header(img_addr) == 0)
return IMAGE_FORMAT_FIT;
#endif
#ifdef CONFIG_ANDROID_BOOT_IMAGE
if (android_image_check_header(img_addr) == 0)
return IMAGE_FORMAT_ANDROID;
#endif
return IMAGE_FORMAT_INVALID;
}
/**
* genimg_get_image - get image from special storage (if necessary)
* @img_addr: image start address
*
* genimg_get_image() checks if provided image start address is located
* in a dataflash storage. If so, image is moved to a system RAM memory.
*
* returns:
* image start address after possible relocation from special storage
*/
ulong genimg_get_image(ulong img_addr)
{
ulong ram_addr = img_addr;
#ifdef CONFIG_HAS_DATAFLASH
ulong h_size, d_size;
if (addr_dataflash(img_addr)) {
void *buf;
/* ger RAM address */
ram_addr = CONFIG_SYS_LOAD_ADDR;
/* get header size */
h_size = image_get_header_size();
#if IMAGE_ENABLE_FIT
if (sizeof(struct fdt_header) > h_size)
h_size = sizeof(struct fdt_header);
#endif
/* read in header */
debug(" Reading image header from dataflash address "
"%08lx to RAM address %08lx\n", img_addr, ram_addr);
buf = map_sysmem(ram_addr, 0);
read_dataflash(img_addr, h_size, buf);
/* get data size */
switch (genimg_get_format(buf)) {
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
case IMAGE_FORMAT_LEGACY:
d_size = image_get_data_size(buf);
debug(" Legacy format image found at 0x%08lx, "
"size 0x%08lx\n",
ram_addr, d_size);
break;
#endif
#if IMAGE_ENABLE_FIT
case IMAGE_FORMAT_FIT:
d_size = fit_get_size(buf) - h_size;
debug(" FIT/FDT format image found at 0x%08lx, "
"size 0x%08lx\n",
ram_addr, d_size);
break;
#endif
default:
printf(" No valid image found at 0x%08lx\n",
img_addr);
return ram_addr;
}
/* read in image data */
debug(" Reading image remaining data from dataflash address "
"%08lx to RAM address %08lx\n", img_addr + h_size,
ram_addr + h_size);
read_dataflash(img_addr + h_size, d_size,
(char *)(buf + h_size));
}
#endif /* CONFIG_HAS_DATAFLASH */
return ram_addr;
}
/**
* fit_has_config - check if there is a valid FIT configuration
* @images: pointer to the bootm command headers structure
*
* fit_has_config() checks if there is a FIT configuration in use
* (if FTI support is present).
*
* returns:
* 0, no FIT support or no configuration found
* 1, configuration found
*/
int genimg_has_config(bootm_headers_t *images)
{
#if IMAGE_ENABLE_FIT
if (images->fit_uname_cfg)
return 1;
#endif
return 0;
}
/**
* boot_get_ramdisk - main ramdisk handling routine
* @argc: command argument count
* @argv: command argument list
* @images: pointer to the bootm images structure
* @arch: expected ramdisk architecture
* @rd_start: pointer to a ulong variable, will hold ramdisk start address
* @rd_end: pointer to a ulong variable, will hold ramdisk end
*
* boot_get_ramdisk() is responsible for finding a valid ramdisk image.
* Curently supported are the following ramdisk sources:
* - multicomponent kernel/ramdisk image,
* - commandline provided address of decicated ramdisk image.
*
* returns: