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#include <arch/mm/tlb.h>
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#include <arch/mm/tlb.h>
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#include <mm/tlb.h>
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#include <mm/tlb.h>
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#include <arch/mm/frame.h>
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#include <arch/mm/frame.h>
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#include <arch/mm/page.h>
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#include <arch/mm/page.h>
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#include <arch/mm/mmu.h>
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#include <arch/mm/mmu.h>
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#include <mm/asid.h>
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#include <print.h>
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#include <print.h>
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#include <arch/types.h>
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#include <arch/types.h>
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#include <typedefs.h>
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#include <typedefs.h>
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#include <config.h>
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#include <config.h>
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#include <arch/trap/trap.h>
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#include <arch/trap/trap.h>
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    dmmu_disable();
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    dmmu_disable();
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    /*
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    /*
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     * We do identity mapping of 4M-page at 4M.
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     * We do identity mapping of 4M-page at 4M.
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     */
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     */
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    tag.value = 0;
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    tag.value = ASID_KERNEL;
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    tag.vpn = pg.vpn;
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    tag.vpn = pg.vpn;
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    itlb_tag_access_write(tag.value);
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    itlb_tag_access_write(tag.value);
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    dtlb_tag_access_write(tag.value);
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    dtlb_tag_access_write(tag.value);
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     * Quick hack: map frame buffer
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     * Quick hack: map frame buffer
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     */
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     */
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    fr.address = 0x1C901000000ULL;
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    fr.address = 0x1C901000000ULL;
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    pg.address = 0xc0000000;
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    pg.address = 0xc0000000;
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    tag.value = 0;
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    tag.value = ASID_KERNEL;
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    tag.vpn = pg.vpn;
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    tag.vpn = pg.vpn;
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    dtlb_tag_access_write(tag.value);
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    dtlb_tag_access_write(tag.value);
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    data.value = 0;
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    data.value = 0;
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}
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}
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/** DTLB miss handler. */
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/** DTLB miss handler. */
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void fast_data_access_mmu_miss(void)
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void fast_data_access_mmu_miss(void)
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{
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{
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    tlb_sfsr_reg_t status;
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    tlb_tag_access_reg_t tag;
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    tlb_data_t data;
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    __address address, tpc;
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    __address tpc;
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    char *tpc_str;
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    char *tpc_str;
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    status.value = dtlb_sfsr_read();
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    tag.value = dtlb_tag_access_read();
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    address = dtlb_sfar_read();
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    if (tag.context != ASID_KERNEL || tag.vpn == 0) {
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    tpc = tpc_read();
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        tpc = tpc_read();
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    tpc_str = get_symtab_entry(tpc);
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        tpc_str = get_symtab_entry(tpc);
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    printf("ASI=%B, Context=%s\n", status.asi, context_encoding[status.ct]);
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    printf("Faulting address: %P\n", dtlb_sfar_read());
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        printf("Faulting page: %P, ASID=%d\n", tag.vpn * PAGE_SIZE, tag.context);
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    printf("TPC=%P, (%s)\n", tpc, tpc_str ? tpc_str : "?");
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        printf("TPC=%P, (%s)\n", tpc, tpc_str ? tpc_str : "?");
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    panic("%s\n", __FUNCTION__);
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        panic("%s\n", __FUNCTION__);
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    }
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    /*
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     * Identity map piece of faulting kernel address space.
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     */
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    data.value = 0;
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    data.v = true;
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    data.size = PAGESIZE_8K;
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    data.pfn = tag.vpn;
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    data.l = false;
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    data.cp = 1;
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    data.cv = 1;
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    data.p = true;
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    data.w = true;
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    data.g = true;
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    dtlb_data_in_write(data.value);
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}
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}
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/** DTLB protection fault handler. */
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/** DTLB protection fault handler. */
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void fast_data_access_protection(void)
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void fast_data_access_protection(void)
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{
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{