/* * Copyright (C) 2000, 2001 Broadcom Corporation * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. */#include <asm/asm.h>#include <asm/addrspace.h>#include <asm/mipsregs.h>#include <asm/regdef.h>		 .set mips64#define HAZARD SSNOP ; SSNOP ; SSNOP ; SSNOP ; SSNOP ; SSNOP ; SSNOP/*  *********************************************************************    *  hs_read8 - read 8-bit bytes    ********************************************************************* */LEAF(hs_read8)		mfc0	t2, CP0_STATUS		or	t1, t2, ST0_KX		mtc0	t1, CP0_STATUS		HAZARD		dli	v0, PHYS_TO_XKSEG_UNCACHED(0)		dsll	a0, a0, 32		dsrl	a0, a0, 32		or	a0, a0,v0		lb	v0, (a0)		and	v0, 0xFF		mtc0	t2, CP0_STATUS		HAZARD		j	raEND(hs_read8)/*  *********************************************************************    *  hs_read16 - read 16-bit shorts    ********************************************************************* */LEAF(hs_read16)		mfc0	t2, CP0_STATUS		or	t1, t2, ST0_KX		mtc0	t1, CP0_STATUS		HAZARD		dli	v0, PHYS_TO_XKSEG_UNCACHED(0)		dsll	a0, a0, 32		dsrl	a0, a0, 32		or	a0, a0, v0		lh	v0, (a0)		and	v0, 0xFFFF		mtc0	t2, CP0_STATUS		HAZARD		j	raEND(hs_read16)/*  *********************************************************************    *  hs_read32 - read 32-bit ints    ********************************************************************* */LEAF(hs_read32)		mfc0	t2, CP0_STATUS		or	t1, t2, ST0_KX		mtc0	t1, CP0_STATUS		HAZARD		dli	v0, PHYS_TO_XKSEG_UNCACHED(0)		dsll	a0, a0, 32		dsrl	a0, a0, 32		or	a0, a0, v0		lw	v0, (a0)		and	v0, 0xFFFFFFFF		mtc0	t2, CP0_STATUS		HAZARD		j	raEND(hs_read32)/*  *********************************************************************    *  hs_read64 - read 64-bit longs    ********************************************************************* */LEAF(hs_read64)		mfc0	t2, CP0_STATUS		or	t1, t2, ST0_KX		mtc0	t1, CP0_STATUS		HAZARD		dli	v0, PHYS_TO_XKSEG_UNCACHED(0)		dsll	a0, a0, 32		dsrl	a0, a0, 32		or	a0, a0, v0		ld	v0, (a0)		mtc0	t2, CP0_STATUS		HAZARD		j	raEND(hs_read64)/*  *********************************************************************    *  hs_write8 - write 8-bit bytes    ********************************************************************* */LEAF(hs_write8)		mfc0	t2, CP0_STATUS		or	t1, t2, ST0_KX		mtc0	t1, CP0_STATUS		HAZARD		dli	v0, PHYS_TO_XKSEG_UNCACHED(0)		dsll	a0, a0, 32		dsrl	a0, a0, 32		or	a0, a0, v0		sb	a1, (a0)		mtc0	t2, CP0_STATUS		HAZARD		j	raEND(hs_write8)/*  *********************************************************************    *  hs_write16 - write 16-bit shorts    ********************************************************************* */LEAF(hs_write16)		mfc0	t2, CP0_STATUS		or	t1, t2, ST0_KX		mtc0	t1, CP0_STATUS		HAZARD		dli	v0, PHYS_TO_XKSEG_UNCACHED(0)		dsll	a0, a0, 32		dsrl	a0, a0, 32		or	a0, a0, v0		sh	a1, (a0)		mtc0	t2, CP0_STATUS		HAZARD		j	raEND(hs_write16)/*  *********************************************************************    *  hs_write32 - write 32-bit longs    ********************************************************************* */LEAF(hs_write32)		mfc0	t2, CP0_STATUS		or	t1, t2, ST0_KX		mtc0	t1, CP0_STATUS		HAZARD		dli	v0, PHYS_TO_XKSEG_UNCACHED(0)		dsll	a0, a0, 32		dsrl	a0, a0, 32		or	a0, a0, v0		sw	a1, (a0)		mtc0	t2, CP0_STATUS		HAZARD		j	raEND(hs_write32)/*  *********************************************************************    *  hs_write64 - write 64-bit longs    ********************************************************************* */LEAF(hs_write64)		mfc0	t2, CP0_STATUS		or	t1, t2, ST0_KX		mtc0	t1, CP0_STATUS		HAZARD		dli	v0, PHYS_TO_XKSEG_UNCACHED(0)		dsll	a0, a0, 32		dsrl	a0, a0, 32		or	a0, a0, v0		sd	a1, (a0)		mtc0	t2, CP0_STATUS		HAZARD		j	raEND(hs_write64)