Date: Fri, 12 Apr 2013 08:50:36 GMT From: "Bjoern A. Zeeb" <bz@FreeBSD.org> To: Perforce Change Reviews <perforce@FreeBSD.org> Subject: PERFORCE change 227630 for review Message-ID: <201304120850.r3C8oapG006984@skunkworks.freebsd.org>
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http://p4web.freebsd.org/@@227630?ac=10 Change 227630 by bz@bz_zenith on 2013/04/12 08:50:27 Implement soft reset setting sr in sr and just in case loop endlessly afterwards. X-TODO: revisit for cheri2/SMP. Affected files ... .. //depot/projects/ctsrd/beribsd/src/sys/mips/beri/beri_machdep.c#11 edit Differences ... ==== //depot/projects/ctsrd/beribsd/src/sys/mips/beri/beri_machdep.c#11 (text+ko) ==== @@ -116,14 +116,19 @@ /* * Perform a board-level soft-reset. - * - * XXXRW: BERI doesn't yet have a board-level soft-reset. */ void platform_reset(void) { - panic("%s: not yet", __func__); + /* XXX SMP will likely require us to do more. */ + __asm__ __volatile__( + "mfc0 $k0, $12\n\t" + "li $k1, 0x00100000\n\t" + "or $k0, $k0, $k1\n\t" + "mtc0 $k0, $12\n"); + for( ; ; ) + __asm__ __volatile("wait"); } void
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