libburnia/libisofs
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Removed remaining questions about MIPS Big Endian. Now rounding up the count

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of cylinders.
Described MBR DOS-style partition table format.
This commit is contained in:
Thomas Schmitt
2010-10-16 11:24:52 +02:00
parent 1ccbaa302c
commit ef444fb29c
2 changed files with 88 additions and 6 deletions
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5
libisofs/system_area.c
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@ -277,8 +277,7 @@ static int make_mips_volume_header(Ecma119Image *t, uint8_t *buf, int flag)
iso_msb(buf, 0x0be5a941, 4);
/* 28 - 29 | num_cyl_l | Number of usable cylinder, lower two bytes */
/* >>> Shall i rather orund up ? */
num_cyl = image_size / (bps * spt);
num_cyl = (image_size + (bps * spt) - 1) / (bps * spt);
iso_msb(buf + 28, num_cyl & 0xffff, 2);
/* 32 - 33 | 1 | Number of tracks per cylinder */
@ -361,7 +360,7 @@ static int make_mips_volume_header(Ecma119Image *t, uint8_t *buf, int flag)
stream = iso_file_get_stream((IsoFile *) node);
file_size = iso_stream_get_size(stream);
/* >>> shall i really round up to 2048 ? */
/* Shall i really round up to 2048 ? Steve says yes.*/
iso_msb(buf + (72 + 16 * idx) + 12,
((file_size + 2047) / 2048 ) * 2048, 4);