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49 lines
1.0 KiB
49 lines
1.0 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _ASM_X86_PAGE_32_H |
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#define _ASM_X86_PAGE_32_H |
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#include <asm/page_32_types.h> |
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#ifndef __ASSEMBLY__ |
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#define __phys_addr_nodebug(x) ((x) - PAGE_OFFSET) |
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#ifdef CONFIG_DEBUG_VIRTUAL |
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extern unsigned long __phys_addr(unsigned long); |
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#else |
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#define __phys_addr(x) __phys_addr_nodebug(x) |
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#endif |
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#define __phys_addr_symbol(x) __phys_addr(x) |
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#define __phys_reloc_hide(x) RELOC_HIDE((x), 0) |
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#ifdef CONFIG_FLATMEM |
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#define pfn_valid(pfn) ((pfn) < max_mapnr) |
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#endif /* CONFIG_FLATMEM */ |
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#ifdef CONFIG_X86_USE_3DNOW |
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#include <asm/mmx.h> |
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static inline void clear_page(void *page) |
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{ |
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mmx_clear_page(page); |
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} |
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static inline void copy_page(void *to, void *from) |
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{ |
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mmx_copy_page(to, from); |
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} |
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#else /* !CONFIG_X86_USE_3DNOW */ |
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#include <linux/string.h> |
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static inline void clear_page(void *page) |
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{ |
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memset(page, 0, PAGE_SIZE); |
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} |
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static inline void copy_page(void *to, void *from) |
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{ |
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memcpy(to, from, PAGE_SIZE); |
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} |
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#endif /* CONFIG_X86_3DNOW */ |
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#endif /* !__ASSEMBLY__ */ |
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#endif /* _ASM_X86_PAGE_32_H */
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