patch-2.3.16 linux/include/asm-arm/cpu-multi32.h

• Lines: 118
• Date: Mon Aug 30 18:15:21 1999
• Orig file: v2.3.15/linux/include/asm-arm/cpu-multi32.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.15/linux/include/asm-arm/cpu-multi32.h linux/include/asm-arm/cpu-multi32.h
@@ -0,0 +1,117 @@
+#ifndef __ASSEMBLY__
+
+#include <asm/page.h>
+
+/* forward-declare task_struct */
+struct task_struct;
+
+/*
+ * Don't change this structure - ASM code
+ * relies on it.
+ */
+extern struct processor {
+	/* MISC
+	 * 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
+	 */
+	/* 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);
+	/*
+	 * clean a virtual address range from the
+	 * D-cache without flushing the cache.
+	 */
+	void (*_clean_cache_area)(unsigned long start, unsigned long size);
+	/*
+	 * 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 the page table
+	 */
+	void (*_set_pgd)(unsigned long pgd_phys);
+	/*
+	 * Set a PMD (handling IMP bit 4)
+	 */
+	void (*_set_pmd)(pmd_t *pmdp, pmd_t pmd);
+	/*
+	 * Set a PTE
+	 */
+	void (*_set_pte)(pte_t *ptep, pte_t pte);
+	/*
+	 * Special stuff for a reset
+	 */
+	unsigned long (*reset)(void);
+	/*
+	 * flush an icached page
+	 */
+	void (*_flush_icache_area)(unsigned long start, unsigned long size);
+	/*
+	 * write back dirty cached data
+	 */
+	void (*_cache_wback_area)(unsigned long start, unsigned long end);
+	/*
+	 * purge cached data without (necessarily) writing it back
+	 */
+	void (*_cache_purge_area)(unsigned long start, unsigned long end);
+} processor;
+
+extern const struct processor arm6_processor_functions;
+extern const struct processor arm7_processor_functions;
+extern const struct processor sa110_processor_functions;
+
+#define cpu_data_abort(pc)			processor._data_abort(pc)
+#define cpu_check_bugs()			processor._check_bugs()
+#define cpu_proc_init()				processor._proc_init()
+#define cpu_proc_fin()				processor._proc_fin()
+
+#define cpu_flush_cache_all()			processor._flush_cache_all()
+#define cpu_flush_cache_area(start,end,flags)	processor._flush_cache_area(start,end,flags)
+#define cpu_flush_cache_entry(addr)		processor._flush_cache_entry(addr)
+#define cpu_clean_cache_area(start,size)	processor._clean_cache_area(start,size)
+#define cpu_flush_ram_page(page)		processor._flush_ram_page(page)
+#define cpu_flush_tlb_all()			processor._flush_tlb_all()
+#define cpu_flush_tlb_area(start,end,flags)	processor._flush_tlb_area(start,end,flags)
+#define cpu_switch_mm(pgd,tsk)			processor._set_pgd(pgd)
+#define cpu_set_pmd(pmdp, pmd)			processor._set_pmd(pmdp, pmd)
+#define cpu_set_pte(ptep, pte)			processor._set_pte(ptep, pte)
+#define cpu_reset()				processor.reset()
+#define cpu_flush_icache_area(start,end)	processor._flush_icache_area(start,end)
+#define cpu_cache_wback_area(start,end)		processor._cache_wback_area(start,end)
+#define cpu_cache_purge_area(start,end)		processor._cache_purge_area(start,end)
+
+#endif