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Support boot images larger than one sector (2048 bytes).

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svn path=/trunk/; revision=6660
This commit is contained in:
Eric Kohl 2003-11-16 13:45:42 +00:00
parent dc28f04fd6
commit e9084a75c4
1 changed files with 8 additions and 3 deletions
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11
reactos/tools/cdmake/cdmake.c
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@ -1,4 +1,4 @@
/* $Id: cdmake.c,v 1.6 2003/07/30 14:08:16 royce Exp $ */
/* $Id: cdmake.c,v 1.7 2003/11/16 13:45:42 ekohl Exp $ */
/* CD-ROM Maker
by Philip J. Erdelsky
pje@acm.org
@ -147,6 +147,8 @@ char bootimage[512];
BOOL eltorito;
DWORD boot_catalog_sector;
DWORD boot_image_sector;
WORD boot_image_size; // counted in 512 byte sectors
/*-----------------------------------------------------------------------------
This function edits a 32-bit unsigned number into a comma-delimited form, such
@ -1064,8 +1066,8 @@ static void pass(void)
write_big_endian_word(0); // load segment = default (0x07c0)
write_byte(0); // partition type
write_byte(0); // unused
write_little_endian_word(4); // sector count
write_little_endian_dword(boot_image_sector); // sector count
write_little_endian_word(boot_image_size); // sector count
write_little_endian_dword(boot_image_sector); // sector
fill_sector();
}
@ -1081,6 +1083,9 @@ static void pass(void)
fseek(file, 0, SEEK_END);
size = ftell(file);
fseek(file, 0, SEEK_SET);
if (size == 0 || (size % 2048))
error_exit("Invalid boot image size (%lu bytes)\n", size);
boot_image_size = size / 512;
while (size > 0)
{
n = BUFFER_SIZE - cd.count;