Date: Tue, 4 Nov 2008 22:15:36 GMT From: Oleksandr Tymoshenko <gonzo@FreeBSD.org> To: Perforce Change Reviews <perforce@FreeBSD.org> Subject: PERFORCE change 152493 for review Message-ID: <200811042215.mA4MFaCn074649@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=152493 Change 152493 by gonzo@gonzo_jeeves on 2008/11/04 22:15:30 o When zeroing memory area use uncached region in KSEG1 and then invalidate all chache entries for this area. Affected files ... .. //depot/projects/mips2/src/sys/mips/mips/pmap.c#37 edit Differences ... ==== //depot/projects/mips2/src/sys/mips/mips/pmap.c#37 (text+ko) ==== @@ -2178,9 +2178,10 @@ #endif if (phys < MIPS_KSEG0_LARGEST_PHYS) { - va = MIPS_PHYS_TO_CACHED(phys); + va = MIPS_PHYS_TO_UNCACHED(phys); bzero((caddr_t)va, PAGE_SIZE); + mips_dcache_wbinv_range(va, PAGE_SIZE); } else { int cpu; struct local_sysmaps *sysm; @@ -2233,8 +2234,9 @@ } else #endif if (phys < MIPS_KSEG0_LARGEST_PHYS) { - va = MIPS_PHYS_TO_CACHED(phys); + va = MIPS_PHYS_TO_UNCACHED(phys); bzero((char *)(caddr_t)va + off, size); + mips_dcache_wbinv_range(va + off, size); } else { int cpu; struct local_sysmaps *sysm; @@ -2271,8 +2273,9 @@ } else #endif if (phys < MIPS_KSEG0_LARGEST_PHYS) { - va = MIPS_PHYS_TO_CACHED(phys); + va = MIPS_PHYS_TO_UNCACHED(phys); bzero((caddr_t)va, PAGE_SIZE); + mips_dcache_wbinv_range(va, PAGE_SIZE); } else { int cpu; struct local_sysmaps *sysm;
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