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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-17 00:20:36 +0200
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-17 00:20:36 +0200
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /arch/mips/mm/pgtable-64.c
downloadlinux-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.tar.xz
linux-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.zip
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
Diffstat (limited to 'arch/mips/mm/pgtable-64.c')
-rw-r--r--arch/mips/mm/pgtable-64.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/mips/mm/pgtable-64.c b/arch/mips/mm/pgtable-64.c
new file mode 100644
index 000000000000..44b5e97fff65
--- /dev/null
+++ b/arch/mips/mm/pgtable-64.c
@@ -0,0 +1,58 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1999, 2000 by Silicon Graphics
+ * Copyright (C) 2003 by Ralf Baechle
+ */
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <asm/pgtable.h>
+
+void pgd_init(unsigned long page)
+{
+ unsigned long *p, *end;
+
+ p = (unsigned long *) page;
+ end = p + PTRS_PER_PGD;
+
+ while (p < end) {
+ p[0] = (unsigned long) invalid_pmd_table;
+ p[1] = (unsigned long) invalid_pmd_table;
+ p[2] = (unsigned long) invalid_pmd_table;
+ p[3] = (unsigned long) invalid_pmd_table;
+ p[4] = (unsigned long) invalid_pmd_table;
+ p[5] = (unsigned long) invalid_pmd_table;
+ p[6] = (unsigned long) invalid_pmd_table;
+ p[7] = (unsigned long) invalid_pmd_table;
+ p += 8;
+ }
+}
+
+void pmd_init(unsigned long addr, unsigned long pagetable)
+{
+ unsigned long *p, *end;
+
+ p = (unsigned long *) addr;
+ end = p + PTRS_PER_PMD;
+
+ while (p < end) {
+ p[0] = (unsigned long)pagetable;
+ p[1] = (unsigned long)pagetable;
+ p[2] = (unsigned long)pagetable;
+ p[3] = (unsigned long)pagetable;
+ p[4] = (unsigned long)pagetable;
+ p[5] = (unsigned long)pagetable;
+ p[6] = (unsigned long)pagetable;
+ p[7] = (unsigned long)pagetable;
+ p += 8;
+ }
+}
+
+void __init pagetable_init(void)
+{
+ /* Initialize the entire pgd. */
+ pgd_init((unsigned long)swapper_pg_dir);
+ pmd_init((unsigned long)invalid_pmd_table, (unsigned long)invalid_pte_table);
+}