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https://opencores.org/ocsvn/or1k/or1k/trunk
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| Rev 413 |
Rev 415 |
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Line 1... |
#include "spr_defs.h"
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#include "spr_defs.h"
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.global _lo_dmmu_en
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.global _lo_dmmu_en
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.global _lo_immu_en
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.global _lo_immu_en
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.global _lo_
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.global _testjump
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_lo_dmmu_en:
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_lo_dmmu_en:
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l.mfspr r3,r0,SPR_SR
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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_EXR
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l.ori r3,r3,SPR_SR_DME
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l.ori r3,r3,SPR_SR_DME
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l.nop
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l.nop
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_lo_immu_en:
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_lo_immu_en:
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l.mfspr r3,r0,SPR_SR
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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_EXR
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l.ori r3,r3,SPR_SR_DME
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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,r3,SPR_ESR_BASE
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l.mtspr r0,r9,SPR_EPCR_BASE
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l.mtspr r0,r9,SPR_EPCR_BASE
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l.rfe
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l.rfe
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l.nop
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l.nop
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_lo_
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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.jalr r9
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l.nop
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