patch-2.1.80 linux/include/asm-arm/proc-fns.h

• Lines: 112
• Date: Tue Jan 20 16:39:43 1998
• Orig file: v2.1.79/linux/include/asm-arm/proc-fns.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.79/linux/include/asm-arm/proc-fns.h linux/include/asm-arm/proc-fns.h
@@ -0,0 +1,111 @@
+/*
+ * linux/include/asm-arm/proc-fns.h
+ *
+ * Copyright (C) 1997 Russell King
+ */
+#ifndef __ASM_PROCFNS_H
+#define __ASM_PROCFNS_H
+
+#include <asm/page.h>
+
+#ifdef __KERNEL__
+/*
+ * Don't change this structure
+ */
+extern struct processor {
+	const char *name;
+	/* MISC
+	 *
+	 * flush caches for task switch
+	 */
+	void (*_switch_to)(void *prev, void *next);
+	/*
+	 * get data abort address/flags
+	 */
+	void (*_data_abort)(unsigned long pc);
+	/*
+	 * check for any bugs
+	 */
+	void (*_check_bugs)(void);
+	/*
+	 * Set up any processor specifics
+	 */
+	void (*_proc_init)(void);
+	/*
+	 * Disable any processor specifics
+	 */
+	void (*_proc_fin)(void);
+	/*
+	 * Processor architecture specific
+	 */
+	union {
+		struct {
+			/* CACHE
+			 *
+			 * flush all caches
+			 */
+			void (*_flush_cache_all)(void);
+			/*
+			 * flush a specific page or pages
+			 */
+			void (*_flush_cache_area)(unsigned long address, unsigned long end, int flags);
+			/*
+			 * flush cache entry for an address
+			 */
+			void (*_flush_cache_entry)(unsigned long address);
+			/*
+			 * flush a virtual address used for a page table
+			 * note D-cache only!
+			 */
+			void (*_flush_cache_pte)(unsigned long address);
+			/*
+			 * flush a page to RAM
+			 */
+			void (*_flush_ram_page)(unsigned long page);
+			/* TLB
+			 *
+			 * flush all TLBs
+			 */
+			void (*_flush_tlb_all)(void);
+			/*
+			 * flush a specific TLB
+			 */
+			void (*_flush_tlb_area)(unsigned long address, unsigned long end, int flags);
+			/*
+			 * Set a PMD (handling IMP bit 4)
+			 */
+			void (*_set_pmd)(pmd_t *pmdp, pmd_t pmd);
+			/*
+			 * Special stuff for a reset
+			 */
+			unsigned long (*reset)(void);
+			/*
+			 * flush an icached page
+			 */
+			void (*_flush_icache_area)(unsigned long start, unsigned long end);
+		} armv3v4;
+		struct {
+			/* MEMC
+			 *
+			 * remap memc tables
+			 */
+			void (*_remap_memc)(void *tsk);
+			/*
+			 * update task's idea of mmap
+			 */
+			void (*_update_map)(void *tsk);
+			/*
+			 * update task's idea after abort
+			 */
+			void (*_update_mmu_cache)(void *vma, unsigned long addr, pte_t pte);
+			/* XCHG
+			 */
+			unsigned long (*_xchg_1)(unsigned long x, volatile void *ptr);
+			unsigned long (*_xchg_2)(unsigned long x, volatile void *ptr);
+			unsigned long (*_xchg_4)(unsigned long x, volatile void *ptr);
+		} armv2;
+	} u;
+} processor;
+#endif	
+#endif
+