patch-2.1.97 linux/arch/sparc/mm/nosun4c.c

• Lines: 78
• Date: Tue Apr 14 17:44:20 1998
• Orig file: v2.1.96/linux/arch/sparc/mm/nosun4c.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.96/linux/arch/sparc/mm/nosun4c.c linux/arch/sparc/mm/nosun4c.c
@@ -0,0 +1,77 @@
+/* $Id: nosun4c.c,v 1.1 1998/03/09 14:04:16 jj Exp $
+ * nosun4c.c: This file is a bunch of dummies for SMP compiles, 
+ *         so that it does not need sun4c and avoid ifdefs.
+ *
+ * Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
+ */
+
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/init.h>
+#include <asm/pgtable.h>
+
+static char shouldnothappen[] __initdata = "32bit SMP kernel only supports sun4m and sun4d\n";
+
+/* Dummies */
+struct sun4c_mmu_ring {
+	unsigned long xxx1[3];
+	unsigned char xxx2[2];
+	int xxx3;
+};
+struct sun4c_mmu_ring sun4c_kernel_ring;
+struct sun4c_mmu_ring sun4c_kfree_ring;
+unsigned long sun4c_kernel_faults;
+unsigned long *sun4c_memerr_reg;
+
+__initfunc(static void should_not_happen(void))
+{
+	prom_printf(shouldnothappen);
+	prom_halt();
+}
+
+__initfunc(unsigned long sun4c_paging_init(unsigned long start_mem, unsigned long end_mem))
+{
+	should_not_happen();
+	return 0;
+}
+
+__initfunc(void ld_mmu_sun4c(void))
+{
+	should_not_happen();
+}
+
+void sun4c_mapioaddr(unsigned long physaddr, unsigned long virt_addr, int bus_type, int rdonly)
+{
+}
+
+void sun4c_unmapioaddr(unsigned long virt_addr)
+{
+}
+
+void sun4c_complete_all_stores(void)
+{
+}
+
+pgd_t *sun4c_pgd_offset(struct mm_struct * mm, unsigned long address)
+{
+	return NULL;
+}
+
+pte_t *sun4c_pte_offset(pmd_t * dir, unsigned long address)
+{
+	return NULL;
+}
+
+void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte)
+{
+}
+
+__initfunc(void sun4c_probe_vac(void))
+{
+	should_not_happen();
+}
+
+__initfunc(void sun4c_probe_memerr_reg(void))
+{
+	should_not_happen();
+}