Date: Sun, 9 Feb 2014 21:21:11 +0000 (UTC) From: Ian Lepore <ian@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r261690 - head/sys/arm/at91 Message-ID: <201402092121.s19LLBxw033490@svn.freebsd.org>
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Author: ian Date: Sun Feb 9 21:21:10 2014 New Revision: 261690 URL: http://svnweb.freebsd.org/changeset/base/261690 Log: If someone tries to boot a generic ATMEL kernel that has no board_init() routine compiled in, print a friendly error message about it rather than mysteriously hanging while trying to init 4GB of nonexistant ram. Modified: head/sys/arm/at91/at91_machdep.c Modified: head/sys/arm/at91/at91_machdep.c ============================================================================== --- head/sys/arm/at91/at91_machdep.c Sun Feb 9 21:02:46 2014 (r261689) +++ head/sys/arm/at91/at91_machdep.c Sun Feb 9 21:21:10 2014 (r261690) @@ -590,6 +590,11 @@ initarm(struct arm_boot_params *abp) printf("Warning: No soc support for %s found.\n", soc_info.name); memsize = board_init(); + if (memsize == -1) { + printf("board_init() failed, cannot determine ram size; " + "assuming 16MB\n"); + memsize = 16 * 1024 * 1024; + } /* * Pages were allocated during the secondary bootstrap for the
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