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 */
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 */
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#ifndef __ia32_PAGE_H__
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#ifndef __ia32_PAGE_H__
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#define __ia32_PAGE_H__
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#define __ia32_PAGE_H__
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#include <mm/page.h>
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#include <arch/types.h>
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#include <arch/mm/frame.h>
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#include <typedefs.h>
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#define PAGE_SIZE   FRAME_SIZE
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#define PAGE_SIZE   FRAME_SIZE
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#ifndef __ASM__
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#define KA2PA(x)    (((__address) (x)) - 0x80000000)
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# define KA2PA(x)   (((__address) (x)) - 0x80000000)
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#define PA2KA(x)    (((__address) (x)) + 0x80000000)
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# define PA2KA(x)   (((__address) (x)) + 0x80000000)
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#else
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# define KA2PA(x)   ((x) - 0x80000000)
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# define PA2KA(x)   ((x) + 0x80000000)
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#endif
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/*
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/*
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 * Implementation of generic 4-level page table interface.
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 * Implementation of generic 4-level page table interface.
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 * IA-32 has 2-level page tables, so PTL1 and PTL2 are left out.
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 * IA-32 has 2-level page tables, so PTL1 and PTL2 are left out.
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 */
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 */
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#define SET_PTL1_FLAGS_ARCH(ptl0, i, x)     set_pt_flags((pte_t *)(ptl0), (index_t)(i), (x))
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#define SET_PTL1_FLAGS_ARCH(ptl0, i, x)     set_pt_flags((pte_t *)(ptl0), (index_t)(i), (x))
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#define SET_PTL2_FLAGS_ARCH(ptl1, i, x)
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#define SET_PTL2_FLAGS_ARCH(ptl1, i, x)
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#define SET_PTL3_FLAGS_ARCH(ptl2, i, x)
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#define SET_PTL3_FLAGS_ARCH(ptl2, i, x)
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#define SET_FRAME_FLAGS_ARCH(ptl3, i, x)    set_pt_flags((pte_t *)(ptl3), (index_t)(i), (x))
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#define SET_FRAME_FLAGS_ARCH(ptl3, i, x)    set_pt_flags((pte_t *)(ptl3), (index_t)(i), (x))
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#ifndef __ASM__
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#include <mm/page.h>
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#include <arch/types.h>
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#include <arch/mm/frame.h>
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#include <typedefs.h>
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struct page_specifier {
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struct page_specifier {
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    unsigned present : 1;
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    unsigned present : 1;
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    unsigned writeable : 1;
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    unsigned writeable : 1;
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    unsigned uaccessible : 1;
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    unsigned uaccessible : 1;
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    unsigned page_write_through : 1;
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    unsigned page_write_through : 1;
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    p->writeable = (flags & PAGE_WRITE) != 0;
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    p->writeable = (flags & PAGE_WRITE) != 0;
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}
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}
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extern void page_arch_init(void);
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extern void page_arch_init(void);
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#endif /* __ASM__ */
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#endif
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#endif