Date: Fri, 6 Dec 2013 18:32:04 +0000 (UTC) From: Warner Losh <imp@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r259038 - stable/9/sys/arm/at91 Message-ID: <201312061832.rB6IW4lo076778@svn.freebsd.org>
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Author: imp Date: Fri Dec 6 18:32:03 2013 New Revision: 259038 URL: http://svnweb.freebsd.org/changeset/base/259038 Log: Bump the maximum VM space from 3 * memory size to a fixed 256MB. That's all we have room for since we map the hardware registers starting at 0xd0000000. This allows my 64MB AT91SAM9G20 to boot again after the unmmaped I/O changes were MFC'd at r251897. Other subplatforms may need similar treatment. Modified: stable/9/sys/arm/at91/at91_machdep.c Modified: stable/9/sys/arm/at91/at91_machdep.c ============================================================================== --- stable/9/sys/arm/at91/at91_machdep.c Fri Dec 6 18:09:10 2013 (r259037) +++ stable/9/sys/arm/at91/at91_machdep.c Fri Dec 6 18:32:03 2013 (r259038) @@ -426,9 +426,8 @@ initarm(void *arg, void *arg2) dump_avail[2] = 0; dump_avail[3] = 0; - pmap_bootstrap(freemempos, - KERNVIRTADDR + 3 * memsize, - &kernel_l1pt); + /* Use the full 256MB of KVA we have available, regardless of memory size */ + pmap_bootstrap(freemempos, KERNVIRTADDR + (256 << 20), &kernel_l1pt); msgbufp = (void*)msgbufpv.pv_va; msgbufinit(msgbufp, msgbufsize); mutex_init();
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