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author | Marian Balakowicz <m8@semihalf.com> | 2008-01-08 18:14:09 +0100 |
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committer | Wolfgang Denk <wd@denx.de> | 2008-02-07 01:12:53 +0100 |
commit | b97a2a0a21f279d66de8a9bdbfe21920968bcb1c (patch) | |
tree | 7746eae37d3a468f3471cd303156920637445350 /tools/mkimage.c | |
parent | ed29bc4e8142b46b626f67524207b36e43d9aad6 (diff) | |
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[new uImage] Define a API for image handling operations
- Add inline helper macros for basic header processing
- Move common non inline code common/image.c
- Replace direct header access with the API routines
- Rename IH_CPU_* to IH_ARCH_*
Signed-off-by: Marian Balakowicz <m8@semihalf.com>
Diffstat (limited to 'tools/mkimage.c')
-rw-r--r-- | tools/mkimage.c | 180 |
1 files changed, 69 insertions, 111 deletions
diff --git a/tools/mkimage.c b/tools/mkimage.c index 2125130..8ced970 100644 --- a/tools/mkimage.c +++ b/tools/mkimage.c @@ -20,44 +20,7 @@ * MA 02111-1307 USA */ -#include <errno.h> -#include <fcntl.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#ifndef __WIN32__ -#include <netinet/in.h> /* for host / network byte order conversions */ -#endif -#include <sys/mman.h> -#include <sys/stat.h> -#include <time.h> -#include <unistd.h> - -#if defined(__BEOS__) || defined(__NetBSD__) || defined(__APPLE__) -#include <inttypes.h> -#endif - -#ifdef __WIN32__ -typedef unsigned int __u32; - -#define SWAP_LONG(x) \ - ((__u32)( \ - (((__u32)(x) & (__u32)0x000000ffUL) << 24) | \ - (((__u32)(x) & (__u32)0x0000ff00UL) << 8) | \ - (((__u32)(x) & (__u32)0x00ff0000UL) >> 8) | \ - (((__u32)(x) & (__u32)0xff000000UL) >> 24) )) -typedef unsigned char uint8_t; -typedef unsigned short uint16_t; -typedef unsigned int uint32_t; - -#define ntohl(a) SWAP_LONG(a) -#define htonl(a) SWAP_LONG(a) -#endif /* __WIN32__ */ - -#ifndef O_BINARY /* should be define'd on __WIN32__ */ -#define O_BINARY 0 -#endif - +#include "mkimage.h" #include <image.h> extern int errno; @@ -77,24 +40,24 @@ typedef struct table_entry { } table_entry_t; table_entry_t arch_name[] = { - { IH_CPU_INVALID, NULL, "Invalid CPU", }, - { IH_CPU_ALPHA, "alpha", "Alpha", }, - { IH_CPU_ARM, "arm", "ARM", }, - { IH_CPU_I386, "x86", "Intel x86", }, - { IH_CPU_IA64, "ia64", "IA64", }, - { IH_CPU_M68K, "m68k", "MC68000", }, - { IH_CPU_MICROBLAZE, "microblaze", "MicroBlaze", }, - { IH_CPU_MIPS, "mips", "MIPS", }, - { IH_CPU_MIPS64, "mips64", "MIPS 64 Bit", }, - { IH_CPU_NIOS, "nios", "NIOS", }, - { IH_CPU_NIOS2, "nios2", "NIOS II", }, - { IH_CPU_PPC, "ppc", "PowerPC", }, - { IH_CPU_S390, "s390", "IBM S390", }, - { IH_CPU_SH, "sh", "SuperH", }, - { IH_CPU_SPARC, "sparc", "SPARC", }, - { IH_CPU_SPARC64, "sparc64", "SPARC 64 Bit", }, - { IH_CPU_BLACKFIN, "blackfin", "Blackfin", }, - { IH_CPU_AVR32, "avr32", "AVR32", }, + { IH_ARCH_INVALID, NULL, "Invalid CPU", }, + { 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", "MC68000", }, + { IH_ARCH_MICROBLAZE, "microblaze", "MicroBlaze", }, + { IH_ARCH_MIPS, "mips", "MIPS", }, + { IH_ARCH_MIPS64, "mips64", "MIPS 64 Bit", }, + { IH_ARCH_NIOS, "nios", "NIOS", }, + { IH_ARCH_NIOS2, "nios2", "NIOS II", }, + { 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", }, { -1, "", "", }, }; @@ -167,7 +130,7 @@ int lflag = 0; int vflag = 0; int xflag = 0; int opt_os = IH_OS_LINUX; -int opt_arch = IH_CPU_PPC; +int opt_arch = IH_ARCH_PPC; int opt_type = IH_TYPE_KERNEL; int opt_comp = IH_COMP_GZIP; @@ -270,7 +233,7 @@ NXTARG: ; ep = addr; /* If XIP, entry point must be after the U-Boot header */ if (xflag) - ep += sizeof(image_header_t); + ep += image_get_header_size (); } /* @@ -278,11 +241,11 @@ NXTARG: ; * the size of the U-Boot header. */ if (xflag) { - if (ep != addr + sizeof(image_header_t)) { + if (ep != addr + image_get_header_size ()) { fprintf (stderr, "%s: For XIP, the entry point must be the load addr + %lu\n", cmdname, - (unsigned long)sizeof(image_header_t)); + (unsigned long)image_get_header_size ()); exit (EXIT_FAILURE); } } @@ -313,7 +276,7 @@ NXTARG: ; exit (EXIT_FAILURE); } - if ((unsigned)sbuf.st_size < sizeof(image_header_t)) { + if ((unsigned)sbuf.st_size < image_get_header_size ()) { fprintf (stderr, "%s: Bad size: \"%s\" is no valid image\n", cmdname, imagefile); @@ -329,36 +292,30 @@ NXTARG: ; } /* - * create copy of header so that we can blank out the - * checksum field for checking - this can't be done - * on the PROT_READ mapped data. + * image_check_hcrc() creates copy of header so that + * we can blank out the checksum field for checking - + * this can't be done on the PROT_READ mapped data. */ - memcpy (hdr, ptr, sizeof(image_header_t)); + hdr = (image_header_t *)ptr; - if (ntohl(hdr->ih_magic) != IH_MAGIC) { + if (!image_check_magic (hdr)) { fprintf (stderr, "%s: Bad Magic Number: \"%s\" is no valid image\n", cmdname, imagefile); exit (EXIT_FAILURE); } - data = (char *)hdr; - len = sizeof(image_header_t); - - checksum = ntohl(hdr->ih_hcrc); - hdr->ih_hcrc = htonl(0); /* clear for re-calculation */ - - if (crc32 (0, data, len) != checksum) { + if (!image_check_hcrc (hdr)) { fprintf (stderr, "%s: ERROR: \"%s\" has bad header checksum!\n", cmdname, imagefile); exit (EXIT_FAILURE); } - data = (char *)(ptr + sizeof(image_header_t)); - len = sbuf.st_size - sizeof(image_header_t) ; + data = (char *)image_get_data (hdr); + len = sbuf.st_size - image_get_header_size (); - if (crc32 (0, data, len) != ntohl(hdr->ih_dcrc)) { + if (crc32(0, data, len) != image_get_dcrc (hdr)) { fprintf (stderr, "%s: ERROR: \"%s\" has corrupted data!\n", cmdname, imagefile); @@ -379,9 +336,9 @@ NXTARG: ; * * write dummy header, to be fixed later */ - memset (hdr, 0, sizeof(image_header_t)); + memset (hdr, 0, image_get_header_size ()); - if (write(ifd, hdr, sizeof(image_header_t)) != sizeof(image_header_t)) { + if (write(ifd, hdr, image_get_header_size ()) != image_get_header_size ()) { fprintf (stderr, "%s: Write error on %s: %s\n", cmdname, imagefile, strerror(errno)); exit (EXIT_FAILURE); @@ -404,7 +361,7 @@ NXTARG: ; cmdname, file, strerror(errno)); exit (EXIT_FAILURE); } - size = htonl(sbuf.st_size); + size = cpu_to_image (sbuf.st_size); } else { size = 0; } @@ -469,27 +426,27 @@ NXTARG: ; hdr = (image_header_t *)ptr; checksum = crc32 (0, - (const char *)(ptr + sizeof(image_header_t)), - sbuf.st_size - sizeof(image_header_t) + (const char *)(ptr + image_get_header_size ()), + sbuf.st_size - image_get_header_size () ); /* Build new header */ - hdr->ih_magic = htonl(IH_MAGIC); - hdr->ih_time = htonl(sbuf.st_mtime); - hdr->ih_size = htonl(sbuf.st_size - sizeof(image_header_t)); - hdr->ih_load = htonl(addr); - hdr->ih_ep = htonl(ep); - hdr->ih_dcrc = htonl(checksum); - hdr->ih_os = opt_os; - hdr->ih_arch = opt_arch; - hdr->ih_type = opt_type; - hdr->ih_comp = opt_comp; + image_set_magic (hdr, IH_MAGIC); + image_set_time (hdr, sbuf.st_mtime); + image_set_size (hdr, sbuf.st_size - image_get_header_size ()); + image_set_load (hdr, addr); + image_set_ep (hdr, ep); + image_set_dcrc (hdr, checksum); + image_set_os (hdr, opt_os); + image_set_arch (hdr, opt_arch); + image_set_type (hdr, opt_type); + image_set_comp (hdr, opt_comp); - strncpy((char *)hdr->ih_name, name, IH_NMLEN); + image_set_name (hdr, name); - checksum = crc32(0,(const char *)hdr,sizeof(image_header_t)); + checksum = crc32 (0, (const char *)hdr, image_get_header_size ()); - hdr->ih_hcrc = htonl(checksum); + image_set_hcrc (hdr, checksum); print_header (hdr); @@ -554,14 +511,14 @@ copy_file (int ifd, const char *datafile, int pad) * reserved for it. */ - if ((unsigned)sbuf.st_size < sizeof(image_header_t)) { + if ((unsigned)sbuf.st_size < image_get_header_size ()) { fprintf (stderr, "%s: Bad size: \"%s\" is too small for XIP\n", cmdname, datafile); exit (EXIT_FAILURE); } - for (p=ptr; p < ptr+sizeof(image_header_t); p++) { + for (p = ptr; p < ptr + image_get_header_size (); p++) { if ( *p != 0xff ) { fprintf (stderr, "%s: Bad file: \"%s\" has invalid buffer for XIP\n", @@ -570,7 +527,7 @@ copy_file (int ifd, const char *datafile, int pad) } } - offset = sizeof(image_header_t); + offset = image_get_header_size (); } size = sbuf.st_size - offset; @@ -620,22 +577,23 @@ print_header (image_header_t *hdr) time_t timestamp; uint32_t size; - timestamp = (time_t)ntohl(hdr->ih_time); - size = ntohl(hdr->ih_size); + timestamp = (time_t)image_get_time (hdr); + size = image_get_data_size (hdr); - printf ("Image Name: %.*s\n", IH_NMLEN, hdr->ih_name); + printf ("Image Name: %.*s\n", IH_NMLEN, image_get_name (hdr)); printf ("Created: %s", ctime(×tamp)); printf ("Image Type: "); print_type(hdr); printf ("Data Size: %d Bytes = %.2f kB = %.2f MB\n", size, (double)size / 1.024e3, (double)size / 1.048576e6 ); - printf ("Load Address: 0x%08X\n", ntohl(hdr->ih_load)); - printf ("Entry Point: 0x%08X\n", ntohl(hdr->ih_ep)); + printf ("Load Address: 0x%08X\n", image_get_load (hdr)); + printf ("Entry Point: 0x%08X\n", image_get_ep (hdr)); - if (hdr->ih_type == IH_TYPE_MULTI || hdr->ih_type == IH_TYPE_SCRIPT) { + if (image_check_type (hdr, IH_TYPE_MULTI) || + image_check_type (hdr, IH_TYPE_SCRIPT)) { int i, ptrs; uint32_t pos; uint32_t *len_ptr = (uint32_t *) ( - (unsigned long)hdr + sizeof(image_header_t) + (unsigned long)hdr + image_get_header_size () ); /* determine number of images first (to calculate image offsets) */ @@ -643,14 +601,14 @@ print_header (image_header_t *hdr) ; ptrs = i; /* null pointer terminates list */ - pos = sizeof(image_header_t) + ptrs * sizeof(long); + pos = image_get_header_size () + ptrs * sizeof(long); printf ("Contents:\n"); for (i=0; len_ptr[i]; ++i) { - size = ntohl(len_ptr[i]); + size = image_to_cpu (len_ptr[i]); printf (" Image %d: %8d Bytes = %4d kB = %d MB\n", i, size, size>>10, size>>20); - if (hdr->ih_type == IH_TYPE_SCRIPT && i > 0) { + if (image_check_type (hdr, IH_TYPE_SCRIPT) && i > 0) { /* * the user may need to know offsets * if planning to do something with @@ -671,10 +629,10 @@ static void print_type (image_header_t *hdr) { printf ("%s %s %s (%s)\n", - put_arch (hdr->ih_arch), - put_os (hdr->ih_os ), - put_type (hdr->ih_type), - put_comp (hdr->ih_comp) + put_arch (image_get_arch (hdr)), + put_os (image_get_os (hdr)), + put_type (image_get_type (hdr)), + put_comp (image_get_comp (hdr)) ); } |