From deae26bf6a10e47983606f5df080b91e97650ead Mon Sep 17 00:00:00 2001
From: Kyle McMartin <kyle@mcmartin.ca>
Date: Mon, 28 Jul 2008 23:02:13 -0400
Subject: parisc: move include/asm-parisc to arch/parisc/include/asm

---
 arch/parisc/include/asm/cacheflush.h | 121 +++++++++++++++++++++++++++++++++++
 1 file changed, 121 insertions(+)
 create mode 100644 arch/parisc/include/asm/cacheflush.h

(limited to 'arch/parisc/include/asm/cacheflush.h')

diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h
new file mode 100644
index 000000000000..b7ca6dc7fddc
--- /dev/null
+++ b/arch/parisc/include/asm/cacheflush.h
@@ -0,0 +1,121 @@
+#ifndef _PARISC_CACHEFLUSH_H
+#define _PARISC_CACHEFLUSH_H
+
+#include <linux/mm.h>
+
+/* The usual comment is "Caches aren't brain-dead on the <architecture>".
+ * Unfortunately, that doesn't apply to PA-RISC. */
+
+/* Internal implementation */
+void flush_data_cache_local(void *);  /* flushes local data-cache only */
+void flush_instruction_cache_local(void *); /* flushes local code-cache only */
+#ifdef CONFIG_SMP
+void flush_data_cache(void); /* flushes data-cache only (all processors) */
+void flush_instruction_cache(void); /* flushes i-cache only (all processors) */
+#else
+#define flush_data_cache() flush_data_cache_local(NULL)
+#define flush_instruction_cache() flush_instruction_cache_local(NULL)
+#endif
+
+#define flush_cache_dup_mm(mm) flush_cache_mm(mm)
+
+void flush_user_icache_range_asm(unsigned long, unsigned long);
+void flush_kernel_icache_range_asm(unsigned long, unsigned long);
+void flush_user_dcache_range_asm(unsigned long, unsigned long);
+void flush_kernel_dcache_range_asm(unsigned long, unsigned long);
+void flush_kernel_dcache_page_asm(void *);
+void flush_kernel_icache_page(void *);
+void flush_user_dcache_page(unsigned long);
+void flush_user_icache_page(unsigned long);
+void flush_user_dcache_range(unsigned long, unsigned long);
+void flush_user_icache_range(unsigned long, unsigned long);
+
+/* Cache flush operations */
+
+void flush_cache_all_local(void);
+void flush_cache_all(void);
+void flush_cache_mm(struct mm_struct *mm);
+
+#define flush_kernel_dcache_range(start,size) \
+	flush_kernel_dcache_range_asm((start), (start)+(size));
+
+#define flush_cache_vmap(start, end)		flush_cache_all()
+#define flush_cache_vunmap(start, end)		flush_cache_all()
+
+extern void flush_dcache_page(struct page *page);
+
+#define flush_dcache_mmap_lock(mapping) \
+	spin_lock_irq(&(mapping)->tree_lock)
+#define flush_dcache_mmap_unlock(mapping) \
+	spin_unlock_irq(&(mapping)->tree_lock)
+
+#define flush_icache_page(vma,page)	do { 		\
+	flush_kernel_dcache_page(page);			\
+	flush_kernel_icache_page(page_address(page)); 	\
+} while (0)
+
+#define flush_icache_range(s,e)		do { 		\
+	flush_kernel_dcache_range_asm(s,e); 		\
+	flush_kernel_icache_range_asm(s,e); 		\
+} while (0)
+
+#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
+do { \
+	flush_cache_page(vma, vaddr, page_to_pfn(page)); \
+	memcpy(dst, src, len); \
+	flush_kernel_dcache_range_asm((unsigned long)dst, (unsigned long)dst + len); \
+} while (0)
+
+#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
+do { \
+	flush_cache_page(vma, vaddr, page_to_pfn(page)); \
+	memcpy(dst, src, len); \
+} while (0)
+
+void flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr, unsigned long pfn);
+void flush_cache_range(struct vm_area_struct *vma,
+		unsigned long start, unsigned long end);
+
+#define ARCH_HAS_FLUSH_ANON_PAGE
+static inline void
+flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned long vmaddr)
+{
+	if (PageAnon(page))
+		flush_user_dcache_page(vmaddr);
+}
+
+#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
+void flush_kernel_dcache_page_addr(void *addr);
+static inline void flush_kernel_dcache_page(struct page *page)
+{
+	flush_kernel_dcache_page_addr(page_address(page));
+}
+
+#ifdef CONFIG_DEBUG_RODATA
+void mark_rodata_ro(void);
+#endif
+
+#ifdef CONFIG_PA8X00
+/* Only pa8800, pa8900 needs this */
+#define ARCH_HAS_KMAP
+
+void kunmap_parisc(void *addr);
+
+static inline void *kmap(struct page *page)
+{
+	might_sleep();
+	return page_address(page);
+}
+
+#define kunmap(page)			kunmap_parisc(page_address(page))
+
+#define kmap_atomic(page, idx)		page_address(page)
+
+#define kunmap_atomic(addr, idx)	kunmap_parisc(addr)
+
+#define kmap_atomic_pfn(pfn, idx)	page_address(pfn_to_page(pfn))
+#define kmap_atomic_to_page(ptr)	virt_to_page(ptr)
+#endif
+
+#endif /* _PARISC_CACHEFLUSH_H */
+
-- 
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