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#include <config.h>
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#include <config.h>
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#ifdef CONFIG_TSB
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#ifdef CONFIG_TSB
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#include <arch/mm/tsb.h>
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#include <arch/mm/tsb.h>
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#include <arch/memstr.h>
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#include <arch/memstr.h>
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#include <synch/mutex.h>
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#include <arch/asm.h>
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#include <arch/asm.h>
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#include <mm/frame.h>
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#include <mm/frame.h>
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#include <bitops.h>
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#include <bitops.h>
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#include <macros.h>
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#include <macros.h>
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#endif /* CONFIG_TSB */
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#endif /* CONFIG_TSB */
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}
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}
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int as_create_arch(as_t *as, int flags)
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int as_create_arch(as_t *as, int flags)
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{
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{
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#ifdef CONFIG_TSB
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#ifdef CONFIG_TSB
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    ipl_t ipl;
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    ipl = interrupts_disable();
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    mutex_lock_active(&as->lock);   /* completely unnecessary, but polite */
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    tsb_invalidate(as, 0, (count_t) -1);
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    tsb_invalidate(as, 0, (count_t) -1);
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    mutex_unlock(&as->lock);
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    interrupts_restore(ipl);
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#endif
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#endif
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    return 0;
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    return 0;
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}
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}
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/** Perform sparc64-specific tasks when an address space becomes active on the
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/** Perform sparc64-specific tasks when an address space becomes active on the
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void as_install_arch(as_t *as)
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void as_install_arch(as_t *as)
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{
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{
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    tlb_context_reg_t ctx;
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    tlb_context_reg_t ctx;
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    /*
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    /*
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     * Note that we don't lock the address space.
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     * Note that we don't and may not lock the address space. That's ok
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     * That's correct - we can afford it here
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     * because we only read members that are
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     * since we only read members that are currently read-only.
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     *
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     * currently read-only.
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     * Moreover, the as->asid is protected by asidlock, which is being held.
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     */
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     */
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    /*
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    /*
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     * Write ASID to secondary context register.
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     * Write ASID to secondary context register. The primary context
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     * The primary context register has to be set
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     * from TL>0 so it will be filled from the
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     * register has to be set from TL>0 so it will be filled from the
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     * secondary context register from the TL=1
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     * secondary context register from the TL=1 code just before switch to
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     * code just before switch to userspace.
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     * userspace.
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     */
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     */
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    ctx.v = 0;
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    ctx.v = 0;
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    ctx.context = as->asid;
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    ctx.context = as->asid;
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    mmu_secondary_context_write(ctx.v);
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    mmu_secondary_context_write(ctx.v);
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 */
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 */
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void as_deinstall_arch(as_t *as)
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void as_deinstall_arch(as_t *as)
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{
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{
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    /*
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    /*
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     * Note that we don't lock the address space.
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     * Note that we don't and may not lock the address space. That's ok
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     * That's correct - we can afford it here
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     * because we only read members that are
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     * since we only read members that are currently read-only.
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     *
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     * currently read-only.
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     * Moreover, the as->asid is protected by asidlock, which is being held.
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     */
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     */
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#ifdef CONFIG_TSB
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#ifdef CONFIG_TSB
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    uintptr_t base = ALIGN_DOWN(config.base, 1 << KERNEL_PAGE_WIDTH);
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    uintptr_t base = ALIGN_DOWN(config.base, 1 << KERNEL_PAGE_WIDTH);
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