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Rev 1382 Rev 1411
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#include <debug.h>
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#include <debug.h>
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#include <memstr.h>
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#include <memstr.h>
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#include <print.h>
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#include <print.h>
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#include <interrupt.h>
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#include <interrupt.h>
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void page_arch_init(void)
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void page_arch_init(void)
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{
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{
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    __address cur;
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    __address cur;
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    int flags;
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    int flags;
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    last_frame = ALIGN_UP(last_frame + size, FRAME_SIZE);
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    last_frame = ALIGN_UP(last_frame + size, FRAME_SIZE);
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    return virtaddr;
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    return virtaddr;
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}
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}
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void page_fault(int n, istate_t *istate)
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{
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        __address page;
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    pf_access_t access;
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        page = read_cr2();
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        if (istate->error_word & PFERR_CODE_RSVD)
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        panic("Reserved bit set in page directory.\n");
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    if (istate->error_word & PFERR_CODE_RW)
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        access = PF_ACCESS_WRITE;
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    else
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        access = PF_ACCESS_READ;
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        if (as_page_fault(page, access, istate) == AS_PF_FAULT) {
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                PRINT_INFO_ERRCODE(istate);
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                printf("page fault address: %#x\n", page);
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                panic("page fault\n");
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        }
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}