1 files changed, 120 insertions, 0 deletions
diff --git a/arch/mips64/mm/tfp.c b/arch/mips64/mm/tfp.c
new file mode 100644
index 000000000..30e87bde1
--- /dev/null
+++ b/arch/mips64/mm/tfp.c
@@ -0,0 +1,120 @@
+/* $Id$
+ *
+ * tfp.c: MMU and cache routines specific to the r8000 (TFP).
+ *
+ * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
+ *
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/mm.h>
+
+#include <asm/page.h>
+#include <asm/pgtable.h>
+#include <asm/system.h>
+#include <asm/sgialib.h>
+#include <asm/mmu_context.h>
+
+extern unsigned long mips_tlb_entries;
+
+/* Cache operations. XXX Write these dave... */
+static inline void tfp_flush_cache_all(void)
+{
+	/* XXX */
+}
+
+static void tfp_flush_cache_mm(struct mm_struct *mm)
+{
+	/* XXX */
+}
+
+static void tfp_flush_cache_range(struct mm_struct *mm,
+				  unsigned long start,
+				  unsigned long end)
+{
+	/* XXX */
+}
+
+static void tfp_flush_cache_page(struct vm_area_struct *vma,
+				 unsigned long page)
+{
+	/* XXX */
+}
+
+static void tfp_flush_page_to_ram(unsigned long page)
+{
+	/* XXX */
+}
+
+static void tfp_flush_cache_sigtramp(unsigned long page)
+{
+	/* XXX */
+}
+
+/* TLB operations. XXX Write these dave... */
+static inline void tfp_flush_tlb_all(void)
+{
+	/* XXX */
+}
+
+static void tfp_flush_tlb_mm(struct mm_struct *mm)
+{
+	/* XXX */
+}
+
+static void tfp_flush_tlb_range(struct mm_struct *mm, unsigned long start,
+				unsigned long end)
+{
+	/* XXX */
+}
+
+static void tfp_flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
+{
+	/* XXX */
+}
+
+static void tfp_load_pgd(unsigned long pg_dir)
+{
+}
+
+static void tfp_pgd_init(unsigned long page)
+{
+}
+
+static void tfp_add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
+				unsigned long entryhi, unsigned long pagemask)
+{
+        /* XXX */
+}
+
+static int tfp_user_mode(struct pt_regs *regs)
+{
+	return (regs->cp0_status & ST0_KSU) == KSU_USER;
+}
+
+__initfunc(void ld_mmu_tfp(void))
+{
+	flush_cache_all = tfp_flush_cache_all;
+	flush_cache_mm = tfp_flush_cache_mm;
+	flush_cache_range = tfp_flush_cache_range;
+	flush_cache_page = tfp_flush_cache_page;
+	flush_cache_sigtramp = tfp_flush_cache_sigtramp;
+	flush_page_to_ram = tfp_flush_page_to_ram;
+
+	flush_tlb_all = tfp_flush_tlb_all;
+	flush_tlb_mm = tfp_flush_tlb_mm;
+	flush_tlb_range = tfp_flush_tlb_range;
+	flush_tlb_page = tfp_flush_tlb_page;
+	tfp_asid_setup();
+
+        add_wired_entry = tfp_add_wired_entry;
+
+	user_mode = tfp_user_mode;
+
+	load_pgd = tfp_load_pgd;
+	pgd_init = tfp_pgd_init;
+    
+	flush_cache_all();
+	flush_tlb_all();
+}