1/* $OpenBSD: mips64r2.S,v 1.4 2017/06/11 03:35:30 visa Exp $ */ 2 3/* 4 * Copyright (c) 2011 Miodrag Vallat. 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19/* 20 * Routines to access extra coprocessor 0 registers 21 */ 22 23#include <machine/asm.h> 24#include <mips64/mips_cpu.h> 25 26 .set noreorder 27 .set mips64r2 28 29LEAF(cp0_get_config_1, 0) 30 j ra 31 mfc0 v0, COP_0_CONFIG, 1 32END(cp0_get_config_1) 33 34LEAF(cp0_get_config_2, 0) 35 j ra 36 mfc0 v0, COP_0_CONFIG, 2 37END(cp0_get_config_2) 38 39LEAF(cp0_get_config_3, 0) 40 j ra 41 mfc0 v0, COP_0_CONFIG, 3 42END(cp0_get_config_3) 43 44LEAF(cp0_get_config_4, 0) 45 j ra 46 mfc0 v0, COP_0_CONFIG, 4 47END(cp0_get_config_4) 48 49LEAF(cp0_get_pagegrain, 0) 50 j ra 51 mfc0 v0, COP_0_TLB_PG_GRAIN 52END(cp0_get_pagegrain) 53 54LEAF(cp0_set_pagegrain, 0) 55 mtc0 a0, COP_0_TLB_PG_GRAIN 56 jr.hb ra 57 nop 58END(cp0_set_pagegrain) 59