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Hopefully fix CRC32 errors when loading the Sansa OF from the firmware partition.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12852 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Barry Wardell 2007-03-20 12:35:45 +00:00
parent 101ec7eb9a
commit bada0b7190
1 changed files with 6 additions and 6 deletions
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12
bootloader/main-pp.c
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@ -176,9 +176,9 @@ int load_mi4(unsigned char* buf, char* firmware, unsigned int buffer_size)
return EINVALID_FORMAT;
/* MI4 file size */
printf("mi4 size: %x", mi4header.length);
printf("mi4 size: %x", mi4header.mi4size);
if (mi4header.length > buffer_size)
if ((mi4header.mi4size-MI4_HEADER_SIZE) > buffer_size)
return EFILE_TOO_BIG;
/* CRC32 */
@ -230,13 +230,13 @@ int load_mi4_part(unsigned char* buf, struct partinfo* pinfo, unsigned int buffe
+ (ppmi_header.length/512), MI4_HEADER_SECTORS, &mi4header);
/* We don't support encrypted mi4 files yet */
if( (mi4header.plaintext + MI4_HEADER_SIZE) != mi4header.mi4size)
if( (mi4header.plaintext) != (mi4header.mi4size-MI4_HEADER_SIZE))
return EINVALID_FORMAT;
/* MI4 file size */
printf("OF mi4 size: %x", mi4header.length);
printf("OF mi4 size: %x", mi4header.mi4size);
if (mi4header.length > buffer_size)
if ((mi4header.mi4size-MI4_HEADER_SIZE) > buffer_size)
return EFILE_TOO_BIG;
/* CRC32 */
@ -251,7 +251,7 @@ int load_mi4_part(unsigned char* buf, struct partinfo* pinfo, unsigned int buffe
/* Load firmware */
ata_read_sectors(pinfo->start + PPMI_SECTOR_OFFSET + PPMI_SECTORS
+ (ppmi_header.length/512) + MI4_HEADER_SECTORS,
(mi4header.length-MI4_HEADER_SIZE)/512, buf);
(mi4header.mi4size-MI4_HEADER_SIZE)/512, buf);
/* Check CRC32 to see if we have a valid file */
sum = chksum_crc32 (buf,mi4header.mi4size-MI4_HEADER_SIZE);