Date: Mon, 2 Jul 2012 21:15:57 +0000 (UTC) From: Marcel Moolenaar <marcel@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r238031 - head/sys/powerpc/booke Message-ID: <201207022115.q62LFvqW000116@svn.freebsd.org>
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Author: marcel Date: Mon Jul 2 21:15:56 2012 New Revision: 238031 URL: http://svn.freebsd.org/changeset/base/238031 Log: Invalidate any TLB1 entries we don't need. The firmware (e.g. U-Boot) may have added entries that conflict with TLB0 entries. Modified: head/sys/powerpc/booke/pmap.c Modified: head/sys/powerpc/booke/pmap.c ============================================================================== --- head/sys/powerpc/booke/pmap.c Mon Jul 2 21:11:01 2012 (r238030) +++ head/sys/powerpc/booke/pmap.c Mon Jul 2 21:15:56 2012 (r238031) @@ -3042,6 +3042,10 @@ tlb1_init(vm_offset_t ccsrbar) /* Map in CCSRBAR. */ tlb1_set_entry(CCSRBAR_VA, ccsrbar, CCSRBAR_SIZE, _TLB_ENTRY_IO); + /* Purge the remaining entries */ + for (i = tlb1_idx; i < TLB1_ENTRIES; i++) + tlb1_write_entry(i); + /* Setup TLB miss defaults */ set_mas4_defaults(); }
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