diff options
Diffstat (limited to 'qemu/roms/u-boot/common/image.c')
| -rw-r--r-- | qemu/roms/u-boot/common/image.c | 1176 |
1 files changed, 1176 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/common/image.c b/qemu/roms/u-boot/common/image.c new file mode 100644 index 000000000..fcc5a9c3e --- /dev/null +++ b/qemu/roms/u-boot/common/image.c @@ -0,0 +1,1176 @@ +/* + * (C) Copyright 2008 Semihalf + * + * (C) Copyright 2000-2006 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * 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> + +#if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) +#include <libfdt.h> +#include <fdt_support.h> +#endif + +#include <u-boot/md5.h> +#include <sha1.h> +#include <asm/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; + +static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch, + int verify); +#else +#include "mkimage.h" +#include <u-boot/md5.h> +#include <time.h> +#include <image.h> +#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, NULL, "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", }, + { -1, "", "", }, +}; + +static const table_entry_t uimage_os[] = { + { IH_OS_INVALID, NULL, "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 + { -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, NULL, "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_STANDALONE, "standalone", "Standalone Program", }, + { IH_TYPE_UBLIMAGE, "ublimage", "Davinci UBL image",}, + { IH_TYPE_MXSIMAGE, "mxsimage", "Freescale MXS Boot Image",}, + { -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", }, + { -1, "", "", }, +}; + +/*****************************************************************************/ +/* 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 *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 *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); + } + } + } +} + + +#ifndef USE_HOSTCC +/** + * 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 /* !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; + char *s = getenv("bootm_size"); + if (s) { + tmp = (phys_size_t)simple_strtoull(s, NULL, 16); + return tmp; + } + s = getenv("bootm_low"); + if (s) + tmp = (phys_size_t)simple_strtoull(s, NULL, 16); + else + tmp = 0; + + +#if defined(CONFIG_ARM) + return gd->bd->bi_dram[0].size - tmp; +#else + return gd->bd->bi_memsize - tmp; +#endif +} + +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) + while (len > 0) { + size_t tail = (len > chunksz) ? chunksz : len; + WATCHDOG_RESET(); + memmove(to, from, tail); + 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 kB = %.2f MB\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; + + 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 + +/** + * 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) +{ + for (; table->id >= 0; ++table) { + if (table->id == id) +#if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC) + return table->lname; +#else + return table->lname + gd->reloc_off; +#endif + } + return (msg); +} + +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)); +} + +const char *genimg_get_comp_name(uint8_t comp) +{ + return (get_table_entry_name(uimage_comp, "Unknown Compression", + comp)); +} + +/** + * 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; +#ifdef USE_HOSTCC + int first = 1; + + for (t = table; t->id >= 0; ++t) { + if (t->sname && strcasecmp(t->sname, name) == 0) + return(t->id); + } + + fprintf(stderr, "\nInvalid %s Type - valid names are", table_name); + for (t = table; t->id >= 0; ++t) { + if (t->sname == NULL) + continue; + fprintf(stderr, "%c %s", (first) ? ':' : ',', t->sname); + first = 0; + } + fprintf(stderr, "\n"); +#else + for (t = table; t->id >= 0; ++t) { +#ifdef CONFIG_NEEDS_MANUAL_RELOC + if (t->sname && strcmp(t->sname + gd->reloc_off, name) == 0) +#else + if (t->sname && strcmp(t->sname, name) == 0) +#endif + return (t->id); + } + debug("Invalid %s Type: %s\n", table_name, name); +#endif /* USE_HOSTCC */ + 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_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) +{ + ulong format = IMAGE_FORMAT_INVALID; + const image_header_t *hdr; + + hdr = (const image_header_t *)img_addr; + if (image_check_magic(hdr)) + format = IMAGE_FORMAT_LEGACY; +#if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) + else { + if (fdt_check_header(img_addr) == 0) + format = IMAGE_FORMAT_FIT; + } +#endif + + return format; +} + +/** + * genimg_get_image - get image from special storage (if necessary) + * @img_addr: image start address + * + * genimg_get_image() checks if provided image start adddress 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 defined(CONFIG_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)) { + 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; +#if defined(CONFIG_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 defined(CONFIG_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: + * 0, if ramdisk image was found and valid, or skiped + * rd_start and rd_end are set to ramdisk start/end addresses if + * ramdisk image is found and valid + * + * 1, if ramdisk image is found but corrupted, or invalid + * rd_start and rd_end are set to 0 if no ramdisk exists + */ +int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images, + uint8_t arch, ulong *rd_start, ulong *rd_end) +{ + ulong rd_addr, rd_load; + ulong rd_data, rd_len; + const image_header_t *rd_hdr; + void *buf; +#ifdef CONFIG_SUPPORT_RAW_INITRD + char *end; +#endif +#if defined(CONFIG_FIT) + const char *fit_uname_config = images->fit_uname_cfg; + const char *fit_uname_ramdisk = NULL; + ulong default_addr; + int rd_noffset; +#endif + const char *select = NULL; + + *rd_start = 0; + *rd_end = 0; + + if (argc >= 2) + select = argv[1]; + /* + * Look for a '-' which indicates to ignore the + * ramdisk argument + */ + if (select && strcmp(select, "-") == 0) { + debug("## Skipping init Ramdisk\n"); + rd_len = rd_data = 0; + } else if (select || genimg_has_config(images)) { +#if defined(CONFIG_FIT) + if (select) { + /* + * If the init ramdisk comes from the FIT image and + * the FIT image address is omitted in the command + * line argument, try to use os FIT image address or + * default load address. + */ + if (images->fit_uname_os) + default_addr = (ulong)images->fit_hdr_os; + else + default_addr = load_addr; + + if (fit_parse_conf(select, default_addr, + &rd_addr, &fit_uname_config)) { + debug("* ramdisk: config '%s' from image at " + "0x%08lx\n", + fit_uname_config, rd_addr); + } else if (fit_parse_subimage(select, default_addr, + &rd_addr, &fit_uname_ramdisk)) { + debug("* ramdisk: subimage '%s' from image at " + "0x%08lx\n", + fit_uname_ramdisk, rd_addr); + } else +#endif + { + rd_addr = simple_strtoul(select, NULL, 16); + debug("* ramdisk: cmdline image address = " + "0x%08lx\n", + rd_addr); + } +#if defined(CONFIG_FIT) + } else { + /* use FIT configuration provided in first bootm + * command argument. If the property is not defined, + * quit silently. + */ + rd_addr = map_to_sysmem(images->fit_hdr_os); + rd_noffset = fit_get_node_from_config(images, + FIT_RAMDISK_PROP, rd_addr); + if (rd_noffset == -ENOLINK) + return 0; + else if (rd_noffset < 0) + return 1; + } +#endif + + /* copy from dataflash if needed */ + rd_addr = genimg_get_image(rd_addr); + + /* + * Check if there is an initrd image at the + * address provided in the second bootm argument + * check image type, for FIT images get FIT node. + */ + buf = map_sysmem(rd_addr, 0); + switch (genimg_get_format(buf)) { + case IMAGE_FORMAT_LEGACY: + printf("## Loading init Ramdisk from Legacy " + "Image at %08lx ...\n", rd_addr); + + bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK); + rd_hdr = image_get_ramdisk(rd_addr, arch, + images->verify); + + if (rd_hdr == NULL) + return 1; + + rd_data = image_get_data(rd_hdr); + rd_len = image_get_data_size(rd_hdr); + rd_load = image_get_load(rd_hdr); + break; +#if defined(CONFIG_FIT) + case IMAGE_FORMAT_FIT: + rd_noffset = fit_image_load(images, FIT_RAMDISK_PROP, + rd_addr, &fit_uname_ramdisk, + &fit_uname_config, arch, + IH_TYPE_RAMDISK, + BOOTSTAGE_ID_FIT_RD_START, + FIT_LOAD_IGNORED, &rd_data, &rd_len); + if (rd_noffset < 0) + return 1; + + images->fit_hdr_rd = map_sysmem(rd_addr, 0); + images->fit_uname_rd = fit_uname_ramdisk; + images->fit_noffset_rd = rd_noffset; + break; +#endif + default: +#ifdef CONFIG_SUPPORT_RAW_INITRD + end = NULL; + if (select) + end = strchr(select, ':'); + if (end) { + rd_len = simple_strtoul(++end, NULL, 16); + rd_data = rd_addr; + } else +#endif + { + puts("Wrong Ramdisk Image Format\n"); + rd_data = rd_len = rd_load = 0; + return 1; + } + } + } else if (images->legacy_hdr_valid && + image_check_type(&images->legacy_hdr_os_copy, + IH_TYPE_MULTI)) { + + /* + * Now check if we have a legacy mult-component image, + * get second entry data start address and len. + */ + bootstage_mark(BOOTSTAGE_ID_RAMDISK); + printf("## Loading init Ramdisk from multi component " + "Legacy Image at %08lx ...\n", + (ulong)images->legacy_hdr_os); + + image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len); + } else { + /* + * no initrd image + */ + bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK); + rd_len = rd_data = 0; + } + + if (!rd_data) { + debug("## No init Ramdisk\n"); + } else { + *rd_start = rd_data; + *rd_end = rd_data + rd_len; + } + debug(" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", + *rd_start, *rd_end); + + return 0; +} + +#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH +/** + * boot_ramdisk_high - relocate init ramdisk + * @lmb: pointer to lmb handle, will be used for memory mgmt + * @rd_data: ramdisk data start address + * @rd_len: ramdisk data length + * @initrd_start: pointer to a ulong variable, will hold final init ramdisk + * start address (after possible relocation) + * @initrd_end: pointer to a ulong variable, will hold final init ramdisk + * end address (after possible relocation) + * + * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment + * variable and if requested ramdisk data is moved to a specified location. + * + * Initrd_start and initrd_end are set to final (after relocation) ramdisk + * start/end addresses if ramdisk image start and len were provided, + * otherwise set initrd_start and initrd_end set to zeros. + * + * returns: + * 0 - success + * -1 - failure + */ +int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len, + ulong *initrd_start, ulong *initrd_end) +{ + char *s; + ulong initrd_high; + int initrd_copy_to_ram = 1; + + if ((s = getenv("initrd_high")) != NULL) { + /* a value of "no" or a similar string will act like 0, + * turning the "load high" feature off. This is intentional. + */ + initrd_high = simple_strtoul(s, NULL, 16); + if (initrd_high == ~0) + initrd_copy_to_ram = 0; + } else { + /* not set, no restrictions to load high */ + initrd_high = ~0; + } + + +#ifdef CONFIG_LOGBUFFER + /* Prevent initrd from overwriting logbuffer */ + lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE); +#endif + + debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n", + initrd_high, initrd_copy_to_ram); + + if (rd_data) { + if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ + debug(" in-place initrd\n"); + *initrd_start = rd_data; + *initrd_end = rd_data + rd_len; + lmb_reserve(lmb, rd_data, rd_len); + } else { + if (initrd_high) + *initrd_start = (ulong)lmb_alloc_base(lmb, + rd_len, 0x1000, initrd_high); + else + *initrd_start = (ulong)lmb_alloc(lmb, rd_len, + 0x1000); + + if (*initrd_start == 0) { + puts("ramdisk - allocation error\n"); + goto error; + } + bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK); + + *initrd_end = *initrd_start + rd_len; + printf(" Loading Ramdisk to %08lx, end %08lx ... ", + *initrd_start, *initrd_end); + + memmove_wd((void *)*initrd_start, + (void *)rd_data, rd_len, CHUNKSZ); + +#ifdef CONFIG_MP + /* + * Ensure the image is flushed to memory to handle + * AMP boot scenarios in which we might not be + * HW cache coherent + */ + flush_cache((unsigned long)*initrd_start, rd_len); +#endif + puts("OK\n"); + } + } else { + *initrd_start = 0; + *initrd_end = 0; + } + debug(" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", + *initrd_start, *initrd_end); + + return 0; + +error: + return -1; +} +#endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */ + +#ifdef CONFIG_SYS_BOOT_GET_CMDLINE +/** + * boot_get_cmdline - allocate and initialize kernel cmdline + * @lmb: pointer to lmb handle, will be used for memory mgmt + * @cmd_start: pointer to a ulong variable, will hold cmdline start + * @cmd_end: pointer to a ulong variable, will hold cmdline end + * + * boot_get_cmdline() allocates space for kernel command line below + * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-boot environemnt + * variable is present its contents is copied to allocated kernel + * command line. + * + * returns: + * 0 - success + * -1 - failure + */ +int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end) +{ + char *cmdline; + char *s; + + cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf, + getenv_bootm_mapsize() + getenv_bootm_low()); + + if (cmdline == NULL) + return -1; + + if ((s = getenv("bootargs")) == NULL) + s = ""; + + strcpy(cmdline, s); + + *cmd_start = (ulong) & cmdline[0]; + *cmd_end = *cmd_start + strlen(cmdline); + + debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); + + return 0; +} +#endif /* CONFIG_SYS_BOOT_GET_CMDLINE */ + +#ifdef CONFIG_SYS_BOOT_GET_KBD +/** + * boot_get_kbd - allocate and initialize kernel copy of board info + * @lmb: pointer to lmb handle, will be used for memory mgmt + * @kbd: double pointer to board info data + * + * boot_get_kbd() allocates space for kernel copy of board info data below + * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized + * with the current u-boot board info data. + * + * returns: + * 0 - success + * -1 - failure + */ +int boot_get_kbd(struct lmb *lmb, bd_t **kbd) +{ + *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, + getenv_bootm_mapsize() + getenv_bootm_low()); + if (*kbd == NULL) + return -1; + + **kbd = *(gd->bd); + + debug("## kernel board info at 0x%08lx\n", (ulong)*kbd); + +#if defined(DEBUG) && defined(CONFIG_CMD_BDI) + do_bdinfo(NULL, 0, 0, NULL); +#endif + + return 0; +} +#endif /* CONFIG_SYS_BOOT_GET_KBD */ + +#ifdef CONFIG_LMB +int image_setup_linux(bootm_headers_t *images) +{ + ulong of_size = images->ft_len; + char **of_flat_tree = &images->ft_addr; + ulong *initrd_start = &images->initrd_start; + ulong *initrd_end = &images->initrd_end; + struct lmb *lmb = &images->lmb; + ulong rd_len; + int ret; + + if (IMAGE_ENABLE_OF_LIBFDT) + boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree); + + if (IMAGE_BOOT_GET_CMDLINE) { + ret = boot_get_cmdline(lmb, &images->cmdline_start, + &images->cmdline_end); + if (ret) { + puts("ERROR with allocation of cmdline\n"); + return ret; + } + } + if (IMAGE_ENABLE_RAMDISK_HIGH) { + rd_len = images->rd_end - images->rd_start; + ret = boot_ramdisk_high(lmb, images->rd_start, rd_len, + initrd_start, initrd_end); + if (ret) + return ret; + } + + if (IMAGE_ENABLE_OF_LIBFDT) { + ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size); + if (ret) + return ret; + } + + if (IMAGE_ENABLE_OF_LIBFDT && of_size) { + ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb); + if (ret) + return ret; + } + + return 0; +} +#endif /* CONFIG_LMB */ +#endif /* !USE_HOSTCC */ |