/* mmu405ALib.s - functions common to all 405-derived MMUs *//* Copyright 1984-2002 Wind River Systems, Inc. */	.data	.globl	copyright_wind_river	.long	copyright_wind_river/*modification history--------------------01a,17apr02,jtp  Split from mmuPpcALib.s*//* globals */	FUNC_EXPORT(mmuPpcTlbInvalidateAll)	/* invalidate all TBL entries */	FUNC_EXPORT(mmuPpcTlbReadEntryHi)	/* read HI word of TLB entry */	FUNC_EXPORT(mmuPpcTlbReadEntryLo)	/* read LO word of TLB entry */	FUNC_EXPORT(mmuPpcTlbWriteEntryHi)	/* write HI word of TLB entry */	FUNC_EXPORT(mmuPpcTlbWriteEntryLo)	/* write LO word of TLB entry */	FUNC_EXPORT(mmuPpcZprSet)		/* set ZPR */	FUNC_EXPORT(mmuPpcZprGet)		/* get ZPR */	_WRS_TEXT_SEG_START	/********************************************************************************* mmuPpcTlbInvalidateAll - invalidate all tlb **/FUNC_BEGIN(mmuPpcTlbInvalidateAll)	sync	tlbia	sync	blrFUNC_END(mmuPpcTlbInvalidateAll)/********************************************************************************* mmuPpcTlbReadEntryHi - TLB Read Entry Hi*	Read the hi part of TLB entry specified by the input index (0..63)** INPUTS: index (0..63) in the lower 6 bits of r3** USAGE: u_int mmuPpcTlbReadEntryHi (u_int index);** RETURNS: the hi part of the tlb entry.*	   * NOTE: This function updates the PID register with the TID value of the TLB* 	entry read. So either ensure that you only read a TLB entry *	corresponding to the currently active address space or restore the PID*	register later.**	If the index is invalid, behaviour is undefined.**/FUNC_BEGIN(mmuPpcTlbReadEntryHi)	tlbrehi	r3, r3	blrFUNC_END(mmuPpcTlbReadEntryHi)/********************************************************************************* mmuPpcTlbReadEntryLo - TLB Read Entry Lo*	Read the Lo part of TLB entry specified by the input index (0..63)** INPUTS: index (0..63) in the lower 6 bits of r3** USAGE: u_int mmuPpcTlbReadEntryLo (u_int index);** RETURNS: the Lo part of the tlb entry.*	   * NOTES: If the index is invalid, behaviour is undefined.**/FUNC_BEGIN(mmuPpcTlbReadEntryLo)	tlbrelo	r3, r3	blrFUNC_END(mmuPpcTlbReadEntryLo)/********************************************************************************* mmuPpcTlbWriteEntryHi - TLB Write Entry Hi*	Write the hi part of TLB entry specified by the input index (0..63)** INPUTS: index (0..63) in the lower 6 bits of r3** USAGE: void mmuPpcTlbWriteEntryHi (u_int index, u_int tlbhi);** NOTE: This function updates the TID field with the value of the PID register.* 	So either ensure that you only write a TLB entry *	corresponding to the currently active address space or set/restore the *	PID register later.**	If the index is invalid, behaviour is undefined.**/FUNC_BEGIN(mmuPpcTlbWriteEntryHi)	tlbwehi	r4, r3	isync	blrFUNC_END(mmuPpcTlbWriteEntryHi)/********************************************************************************* mmuPpcTlbWriteEntryLo - tlb write entry lo*	write the lo part of tlb entry specified by the input index (0..63)** inputs: index (0..63) in the lower 6 bits of r3** usage: void mmuPpcTlbWriteEntryLo (u_int index, u_int tlblo);** notes: if the index is invalid, behaviour is undefined.**/FUNC_BEGIN(mmuPpcTlbWriteEntryLo)	tlbwelo	r4, r3	isync	blrFUNC_END(mmuPpcTlbWriteEntryLo)/********************************************************************************* mmuPpcZprSet - Set Zone protection register** inputs: value to write to the ZPR register** usage: void mmuPpcZprSet (u_int zprVal);**/FUNC_BEGIN(mmuPpcZprSet)	mtspr	ZPR, r3	blrFUNC_END(mmuPpcZprSet)/********************************************************************************* mmuPpcZprGet - Get Zone protection register** returns: value of ZPR** usage: u_int mmuPpcZprGet ();**/FUNC_BEGIN(mmuPpcZprGet)        mfspr   r3, ZPR	blrFUNC_END(mmuPpcZprGet)