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[/] [or1k/] [trunk/] [or1ksim/] [testbench/] [mmu_asm.S] - Rev 475
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#include "spr_defs.h"
.global _lo_dmmu_en
.global _lo_immu_en
.global _testjump
_lo_dmmu_en:
l.mfspr r3,r0,SPR_SR
l.ori r3,r3,SPR_SR_EXR
l.ori r3,r3,SPR_SR_DME
l.mtspr r0,r3,SPR_ESR_BASE
l.mtspr r0,r9,SPR_EPCR_BASE
l.rfe
l.nop
_lo_immu_en:
l.mfspr r3,r0,SPR_SR
l.ori r3,r3,SPR_SR_EXR
l.ori r3,r3,SPR_SR_IME
l.mtspr r0,r3,SPR_ESR_BASE
l.mtspr r0,r9,SPR_EPCR_BASE
l.rfe
l.nop
_testjump:
l.movhi r5,0x4800
l.ori r5,r5,0x4800
l.sw 0x0(r3),r5
l.movhi r5,0x1500
l.ori r5,r5,0x0000
l.sw 0x4(r3),r5
l.or r5,r0,r9
l.jalr r4
l.nop
l.or r9,r0,r5
l.jr r9
l.nop
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