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Rev 2009 Rev 2048
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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 <macros.h>
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#include <macros.h>
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#include <debug.h>
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#include <debug.h>
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#define TSB_INDEX_MASK      ((1<<(21+1+TSB_SIZE-PAGE_WIDTH))-1)
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#define TSB_INDEX_MASK      ((1 << (21 + 1 + TSB_SIZE - PAGE_WIDTH)) - 1)
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/** Invalidate portion of TSB.
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/** Invalidate portion of TSB.
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 *
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 *
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 * We assume that the address space is already locked.
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 * We assume that the address space is already locked. Note that respective
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 * Note that respective portions of both TSBs
 - 
 
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 * are invalidated at a time.
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 * portions of both TSBs are invalidated at a time.
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 *
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 *
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 * @param as Address space.
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 * @param as Address space.
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 * @param page First page to invalidate in TSB.
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 * @param page First page to invalidate in TSB.
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 * @param pages Number of pages to invalidate.
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 * @param pages Number of pages to invalidate. Value of (count_t) -1 means the
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 *      Value of (count_t) -1 means the whole TSB.
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 *  whole TSB.
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 */
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 */
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void tsb_invalidate(as_t *as, uintptr_t page, count_t pages)
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void tsb_invalidate(as_t *as, uintptr_t page, count_t pages)
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{
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{
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    index_t i0, i;
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    index_t i0, i;
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    count_t cnt;
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    count_t cnt;
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    i0 = (page >> PAGE_WIDTH) & TSB_INDEX_MASK;
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    i0 = (page >> PAGE_WIDTH) & TSB_INDEX_MASK;
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    cnt = min(pages, ITSB_ENTRY_COUNT);
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    cnt = min(pages, ITSB_ENTRY_COUNT);
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    for (i = 0; i < cnt; i++) {
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    for (i = 0; i < cnt; i++) {
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        as->arch.itsb[(i0 + i) & (ITSB_ENTRY_COUNT-1)].tag.invalid = true;
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        as->arch.itsb[(i0 + i) & (ITSB_ENTRY_COUNT - 1)].tag.invalid =
- 
 
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            true;
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        as->arch.dtsb[(i0 + i) & (DTSB_ENTRY_COUNT-1)].tag.invalid = true;
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        as->arch.dtsb[(i0 + i) & (DTSB_ENTRY_COUNT - 1)].tag.invalid =
- 
 
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            true;
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    }
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    }
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}
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}
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/** Copy software PTE to ITSB.
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/** Copy software PTE to ITSB.
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 *
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 *