diff options
Diffstat (limited to 'bootblocks/unix.c')
| -rw-r--r-- | bootblocks/unix.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/bootblocks/unix.c b/bootblocks/unix.c index e6eb41e..455d9b1 100644 --- a/bootblocks/unix.c +++ b/bootblocks/unix.c @@ -1,7 +1,7 @@ -#ifdef __ELKS__ +#include "monitor.h" -#include <stdio.h> +#ifdef __ELKS__ bios_khit() { return 0; @@ -31,11 +31,16 @@ extern long lseek(); int rv = 0; long offset; int i; +extern int disk_spt; + int spt = 18; if( phy_fd == -1 ) open_fd(); if( phy_fd < 0 ) return -1; + if( len <= 0 ) return -1; + + if( disk_spt > 1 ) spt = disk_spt; - offset = (((cyl*2 + head)*18L + sect-1)*512L); + offset = (((cyl*2 + head)*(long)spt + sect-1)*512L); fprintf(stderr, "PHY_READ(d%d, c%d, h%d, s%d, l%d, b%d) (Sect=%ld)\n", drive, cyl, head, sect, len, buffer, offset/512); |