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[/] [or1k_old/] [trunk/] [or1ksim/] [testbench/] [mmu_asm.S] - Blame information for rev 475

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Line No. Rev Author Line
1 410 simons 
#include "spr_defs.h"
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    .global _lo_dmmu_en
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    .global _lo_immu_en
5 415 simons 
    .global _testjump
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_lo_dmmu_en:
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                l.mfspr r3,r0,SPR_SR
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    l.ori   r3,r3,SPR_SR_EXR
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    l.ori   r3,r3,SPR_SR_DME
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    l.mtspr r0,r3,SPR_ESR_BASE
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    l.mtspr r0,r9,SPR_EPCR_BASE
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    l.rfe
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    l.nop
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_lo_immu_en:
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                l.mfspr r3,r0,SPR_SR
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    l.ori   r3,r3,SPR_SR_EXR
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    l.ori   r3,r3,SPR_SR_IME
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    l.mtspr r0,r3,SPR_ESR_BASE
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    l.mtspr r0,r9,SPR_EPCR_BASE
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    l.rfe
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    l.nop
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_testjump:
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    l.movhi r5,0x4800
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    l.ori   r5,r5,0x4800
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    l.sw    0x0(r3),r5
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    l.movhi r5,0x1500
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    l.ori   r5,r5,0x0000
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    l.sw    0x4(r3),r5
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    l.or    r5,r0,r9
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    l.jalr  r4
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    l.nop
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    l.or    r9,r0,r5
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    l.jr    r9
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    l.nop

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