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The arm boot code uses this function as well. Redefining cgbase()

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saves about 500 bytes in the boot code.  While the AT91RM9200 has 12k
of space for the boot loader, which is more than i386's 8k, the code
generated by gcc is a bit bigger.

I've had this in p4 for about two years now.
This commit is contained in:
imp 2007-10-26 15:00:34 +00:00
parent e18c6c89fa
commit e99b1842b7
1 changed files with 1 additions and 1 deletions
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sys/boot/common/ufsread.c
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@ -48,7 +48,7 @@ __FBSDID("$FreeBSD$");
#include <ufs/ufs/dinode.h>
#include <ufs/ffs/fs.h>
#if defined(__i386__) && !defined(GPTBOOT)
#if (defined(__i386__) && !defined(GPTBOOT)) || defined(__arm__)
/* XXX: Revert to old (broken for over 1.5Tb filesystems) version of cgbase
(see sys/ufs/ffs/fs.h rev 1.39) so that i386 boot loader (boot2) can
support both UFS1 and UFS2 again. */