From 321359f20823e0b8c5ad38b64d007a6c48cda16e Mon Sep 17 00:00:00 2001 From: Marian Balakowicz Date: Tue, 8 Jan 2008 18:11:43 +0100 Subject: [new uImage] Move gunzip() common code to common/gunzip.c Move gunzip(), zalloc() and zfree() to a separate file. Share zalloc() and zfree() with cramfs uncompress routine. Signed-off-by: Marian Balakowicz --- common/cmd_bootm.c | 94 ++---------------------------------------------------- 1 file changed, 3 insertions(+), 91 deletions(-) (limited to 'common/cmd_bootm.c') diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c index 5f1b6b6..67f555e 100644 --- a/common/cmd_bootm.c +++ b/common/cmd_bootm.c @@ -70,8 +70,9 @@ extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); int gunzip (void *, int, unsigned char *, unsigned long *); -static void *zalloc(void *, unsigned, unsigned); -static void zfree(void *, void *, unsigned); +#ifdef CONFIG_BZIP2 +extern void bz_internal_error(int); +#endif #if defined(CONFIG_CMD_IMI) static int image_info (unsigned long addr); @@ -864,95 +865,6 @@ print_type (image_header_t *hdr) printf ("%s %s %s (%s)", arch, os, type, comp); } -#define ZALLOC_ALIGNMENT 16 - -static void *zalloc(void *x, unsigned items, unsigned size) -{ - void *p; - - size *= items; - size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1); - - p = malloc (size); - - return (p); -} - -static void zfree(void *x, void *addr, unsigned nb) -{ - free (addr); -} - -#define HEAD_CRC 2 -#define EXTRA_FIELD 4 -#define ORIG_NAME 8 -#define COMMENT 0x10 -#define RESERVED 0xe0 - -#define DEFLATED 8 - -int gunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp) -{ - z_stream s; - int r, i, flags; - - /* skip header */ - i = 10; - flags = src[3]; - if (src[2] != DEFLATED || (flags & RESERVED) != 0) { - puts ("Error: Bad gzipped data\n"); - return (-1); - } - if ((flags & EXTRA_FIELD) != 0) - i = 12 + src[10] + (src[11] << 8); - if ((flags & ORIG_NAME) != 0) - while (src[i++] != 0) - ; - if ((flags & COMMENT) != 0) - while (src[i++] != 0) - ; - if ((flags & HEAD_CRC) != 0) - i += 2; - if (i >= *lenp) { - puts ("Error: gunzip out of data in header\n"); - return (-1); - } - - s.zalloc = zalloc; - s.zfree = zfree; -#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) - s.outcb = (cb_func)WATCHDOG_RESET; -#else - s.outcb = Z_NULL; -#endif /* CONFIG_HW_WATCHDOG */ - - r = inflateInit2(&s, -MAX_WBITS); - if (r != Z_OK) { - printf ("Error: inflateInit2() returned %d\n", r); - return (-1); - } - s.next_in = src + i; - s.avail_in = *lenp - i; - s.next_out = dst; - s.avail_out = dstlen; - r = inflate(&s, Z_FINISH); - if (r != Z_OK && r != Z_STREAM_END) { - printf ("Error: inflate() returned %d\n", r); - return (-1); - } - *lenp = s.next_out - (unsigned char *) dst; - inflateEnd(&s); - - return (0); -} - -#ifdef CONFIG_BZIP2 -void bz_internal_error(int errcode) -{ - printf ("BZIP2 internal error %d\n", errcode); -} -#endif /* CONFIG_BZIP2 */ - static void do_bootm_rtems (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], ulong addr, ulong *len_ptr, int verify) -- cgit v1.1