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Rev 1355 Rev 1374
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.text
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.text
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.global userspace_asm
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.global userspace_asm
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.global iret
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.global iret
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.global iret_syscall
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.global iret_syscall
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.global invalidate_bat
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.global memsetb
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.global memsetb
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.global memcpy
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.global memcpy
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.global memcpy_from_uspace
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.global memcpy_from_uspace
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.global memcpy_to_uspace
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.global memcpy_to_uspace
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.global memcpy_from_uspace_failover_address
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.global memcpy_from_uspace_failover_address
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	lwz r12, 152(sp)
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	lwz r12, 152(sp)
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	lwz sp, 156(sp)
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	lwz sp, 156(sp)
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	rfi
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	rfi
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invalidate_bat:
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	# invalidate block address translation registers
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	li r14, 0
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	mtspr ibat0u, r14
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	mtspr ibat0l, r14
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	mtspr ibat1u, r14
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	mtspr ibat1l, r14
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	mtspr ibat2u, r14
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	mtspr ibat2l, r14
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	mtspr ibat3u, r14
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	mtspr ibat3l, r14
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	mtspr dbat0u, r14
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	mtspr dbat0l, r14
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	mtspr dbat1u, r14
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	mtspr dbat1l, r14
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	mtspr dbat2u, r14
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	mtspr dbat2l, r14
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	mtspr dbat3u, r14
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	mtspr dbat3l, r14
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	blr
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memsetb:
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memsetb:
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	rlwimi r5, r5, 8, 16, 23
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	rlwimi r5, r5, 8, 16, 23
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	rlwimi r5, r5, 16, 0, 15
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	rlwimi r5, r5, 16, 0, 15
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	addi r14, r3, -4
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	addi r14, r3, -4