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[/] [or1k_old/] [trunk/] [or1ksim/] [mmu/] [immu.c] - Diff between revs 1748 and 1751
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| Rev 1748 |
Rev 1751 |
| Line 32... |
Line 32... |
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/* Package includes */
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/* Package includes */
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#include "immu.h"
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#include "immu.h"
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#include "sim-config.h"
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#include "sim-config.h"
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#include "execute.h"
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#include "execute.h"
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#include "debug.h"
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#include "stats.h"
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#include "stats.h"
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#include "except.h"
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#include "except.h"
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#include "spr-dump.h"
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#include "spr-dump.h"
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#include "misc.h"
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#include "misc.h"
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#include "sim-cmd.h"
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#include "sim-cmd.h"
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DEFAULT_DEBUG_CHANNEL (immu);
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struct immu *immu_state;
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struct immu *immu_state;
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/* Insn MMU */
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/* Insn MMU */
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static uorreg_t *
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static uorreg_t *
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| Line 95... |
Line 92... |
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/* Did we find our tlb entry? */
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/* Did we find our tlb entry? */
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if (itlbmr)
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if (itlbmr)
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{ /* Yes, we did. */
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{ /* Yes, we did. */
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immu_stats.fetch_tlbhit++;
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immu_stats.fetch_tlbhit++;
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TRACE ("ITLB hit (virtaddr=%" PRIxADDR ").\n", virtaddr);
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itlbtr = itlbmr + 128;
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itlbtr = itlbmr + 128;
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/* Set LRUs */
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/* Set LRUs */
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for (i = 0; i < immu->nways; i++, itlbmr_lru += (128 * 2))
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for (i = 0; i < immu->nways; i++, itlbmr_lru += (128 * 2))
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{
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{
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| Line 130... |
Line 125... |
{
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{
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if (!(*itlbtr & SPR_ITLBTR_UXE))
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if (!(*itlbtr & SPR_ITLBTR_UXE))
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except_handle (EXCEPT_IPF, virtaddr);
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except_handle (EXCEPT_IPF, virtaddr);
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}
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}
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TRACE ("Returning physical address %" PRIxADDR "\n",
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(*itlbtr & SPR_ITLBTR_PPN) | (virtaddr & immu->
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page_offset_mask));
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return (*itlbtr & SPR_ITLBTR_PPN) | (virtaddr & immu->page_offset_mask);
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return (*itlbtr & SPR_ITLBTR_PPN) | (virtaddr & immu->page_offset_mask);
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}
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}
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/* No, we didn't. */
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/* No, we didn't. */
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immu_stats.fetch_tlbmiss++;
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immu_stats.fetch_tlbmiss++;
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