cvs commit: src/sys/i386/i386 machdep.c

[John Baldwin]

On Monday 31 December 2007 04:12:45 pm John Baldwin wrote:
> jhb         2007-12-31 21:12:45 UTC
> 
>   FreeBSD src repository
> 
>   Modified files:
>     sys/i386/i386        machdep.c 
>   Log:
>   Include a "pae" feature if an i386 kernel is built with PAE support.
>   
>   Obtained from:  Yahoo!

I'm not sure if FreeBSD could use this, but at work we use this to auto-enable 
PAE for any kernel modules compiled on a machine running PAE:

--- //depot/vendor/freebsd_6/src/sys/conf/kmod.mk	2006/09/13 02:28:28
+++ //depot/yahoo/ybsd_6/src/sys/conf/kmod.mk	2007/06/16 08:03:34
@@ -81,6 +82,11 @@
 CFLAGS+=	-D_KERNEL
 CFLAGS+=	-DKLD_MODULE
 
+ISPAE!= sysctl -n kern.features.pae 2>&1 || true
+.if ${ISPAE} == 1
+CFLAGS+=	-DPAE
+.endif
+
 # Don't use any standard or source-relative include directories.
 .if ${CC} == "icc"
 NOSTDINC=	-X

-- 
John Baldwin