1229677Sgonzo/*- 2229677Sgonzo * Copyright (c) 2011 Oleksandr Tymoshenko 3229677Sgonzo * All rights reserved. 4229677Sgonzo * 5229677Sgonzo * Redistribution and use in source and binary forms, with or without 6229677Sgonzo * modification, are permitted provided that the following conditions 7229677Sgonzo * are met: 8229677Sgonzo * 1. Redistributions of source code must retain the above copyright 9229677Sgonzo * notice, this list of conditions and the following disclaimer. 10229677Sgonzo * 2. Redistributions in binary form must reproduce the above copyright 11229677Sgonzo * notice, this list of conditions and the following disclaimer in the 12229677Sgonzo * documentation and/or other materials provided with the distribution. 13229677Sgonzo * 14229677Sgonzo * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15229677Sgonzo * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16229677Sgonzo * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17229677Sgonzo * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18229677Sgonzo * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19229677Sgonzo * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20229677Sgonzo * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21229677Sgonzo * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22229677Sgonzo * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23229677Sgonzo * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24229677Sgonzo * SUCH DAMAGE. 25229677Sgonzo * 26229677Sgonzo * $FreeBSD: releng/11.0/sys/mips/cavium/octeon_cop2.S 229677 2012-01-06 01:23:26Z gonzo $ 27229677Sgonzo */ 28229677Sgonzo 29229677Sgonzo#include <machine/asm.h> 30229677Sgonzo#include <mips/cavium/octeon_cop2.h> 31229677Sgonzo 32229677Sgonzo#include "assym.s" 33229677Sgonzo 34229677Sgonzo.set noreorder 35229677Sgonzo 36229677Sgonzo#define SAVE_COP2_REGISTER(reg) \ 37229677Sgonzo dmfc2 t1, reg; sd t1, reg##_OFFSET(a0) 38229677Sgonzo 39229677Sgonzo 40229677Sgonzo#define RESTORE_COP2_REGISTER(reg) \ 41229677Sgonzo ld t1, reg##_OFFSET(a0); dmtc2 t1, reg##_SET 42229677Sgonzo 43229677SgonzoLEAF(octeon_cop2_save) 44229677Sgonzo /* Get CvmCtl register */ 45229677Sgonzo dmfc0 t0, $9, 7 46229677Sgonzo 47229677Sgonzo /* CRC state */ 48229677Sgonzo SAVE_COP2_REGISTER(COP2_CRC_IV) 49229677Sgonzo SAVE_COP2_REGISTER(COP2_CRC_LENGTH) 50229677Sgonzo SAVE_COP2_REGISTER(COP2_CRC_POLY) 51229677Sgonzo 52229677Sgonzo /* if CvmCtl[NODFA_CP2] -> save_nodfa */ 53229677Sgonzo bbit1 t0, 28, save_nodfa 54229677Sgonzo nop 55229677Sgonzo 56229677Sgonzo /* LLM state */ 57229677Sgonzo SAVE_COP2_REGISTER(COP2_LLM_DAT0) 58229677Sgonzo SAVE_COP2_REGISTER(COP2_LLM_DAT1) 59229677Sgonzo 60229677Sgonzosave_nodfa: 61229677Sgonzo /* crypto stuff is irrelevant if CvmCtl[NOCRYPTO] */ 62229677Sgonzo bbit1 t0, 26, save_done 63229677Sgonzo nop 64229677Sgonzo 65229677Sgonzo SAVE_COP2_REGISTER(COP2_3DES_IV) 66229677Sgonzo SAVE_COP2_REGISTER(COP2_3DES_KEY0) 67229677Sgonzo SAVE_COP2_REGISTER(COP2_3DES_KEY1) 68229677Sgonzo SAVE_COP2_REGISTER(COP2_3DES_KEY2) 69229677Sgonzo SAVE_COP2_REGISTER(COP2_3DES_RESULT) 70229677Sgonzo 71229677Sgonzo SAVE_COP2_REGISTER(COP2_AES_INP0) 72229677Sgonzo SAVE_COP2_REGISTER(COP2_AES_IV0) 73229677Sgonzo SAVE_COP2_REGISTER(COP2_AES_IV1) 74229677Sgonzo SAVE_COP2_REGISTER(COP2_AES_KEY0) 75229677Sgonzo SAVE_COP2_REGISTER(COP2_AES_KEY1) 76229677Sgonzo SAVE_COP2_REGISTER(COP2_AES_KEY2) 77229677Sgonzo SAVE_COP2_REGISTER(COP2_AES_KEY3) 78229677Sgonzo SAVE_COP2_REGISTER(COP2_AES_KEYLEN) 79229677Sgonzo SAVE_COP2_REGISTER(COP2_AES_RESULT0) 80229677Sgonzo SAVE_COP2_REGISTER(COP2_AES_RESULT1) 81229677Sgonzo 82229677Sgonzo dmfc0 t0, $15 83229677Sgonzo li t1, 0x000d0000 /* Octeon Pass1 */ 84229677Sgonzo beq t0, t1, save_pass1 85229677Sgonzo nop 86229677Sgonzo 87229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_DATW0) 88229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_DATW1) 89229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_DATW2) 90229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_DATW3) 91229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_DATW4) 92229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_DATW5) 93229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_DATW6) 94229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_DATW7) 95229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_DATW8) 96229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_DATW9) 97229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_DATW10) 98229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_DATW11) 99229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_DATW12) 100229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_DATW13) 101229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_DATW14) 102229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_IVW0) 103229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_IVW1) 104229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_IVW2) 105229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_IVW3) 106229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_IVW4) 107229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_IVW5) 108229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_IVW6) 109229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_IVW7) 110229677Sgonzo SAVE_COP2_REGISTER(COP2_GFM_MULT0) 111229677Sgonzo SAVE_COP2_REGISTER(COP2_GFM_MULT1) 112229677Sgonzo SAVE_COP2_REGISTER(COP2_GFM_POLY) 113229677Sgonzo SAVE_COP2_REGISTER(COP2_GFM_RESULT0) 114229677Sgonzo SAVE_COP2_REGISTER(COP2_GFM_RESULT1) 115229677Sgonzo jr ra 116229677Sgonzo nop 117229677Sgonzo 118229677Sgonzosave_pass1: 119229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_DATW0_PASS1) 120229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_DATW1_PASS1) 121229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_DATW2_PASS1) 122229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_DATW3_PASS1) 123229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_DATW4_PASS1) 124229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_DATW5_PASS1) 125229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_DATW6_PASS1) 126229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_IVW0_PASS1) 127229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_IVW1_PASS1) 128229677Sgonzo SAVE_COP2_REGISTER(COP2_HSH_IVW2_PASS1) 129229677Sgonzo 130229677Sgonzosave_done: 131229677Sgonzo jr ra 132229677Sgonzo nop 133229677SgonzoEND(octeon_cop2_save) 134229677Sgonzo 135229677SgonzoLEAF(octeon_cop2_restore) 136229677Sgonzo /* Get CvmCtl register */ 137229677Sgonzo dmfc0 t0, $9, 7 138229677Sgonzo 139229677Sgonzo /* CRC state */ 140229677Sgonzo RESTORE_COP2_REGISTER(COP2_CRC_IV) 141229677Sgonzo RESTORE_COP2_REGISTER(COP2_CRC_LENGTH) 142229677Sgonzo RESTORE_COP2_REGISTER(COP2_CRC_POLY) 143229677Sgonzo 144229677Sgonzo /* if CvmCtl[NODFA_CP2] -> save_nodfa */ 145229677Sgonzo bbit1 t0, 28, restore_nodfa 146229677Sgonzo nop 147229677Sgonzo 148229677Sgonzo /* LLM state */ 149229677Sgonzo RESTORE_COP2_REGISTER(COP2_LLM_DAT0) 150229677Sgonzo RESTORE_COP2_REGISTER(COP2_LLM_DAT1) 151229677Sgonzo 152229677Sgonzorestore_nodfa: 153229677Sgonzo /* crypto stuff is irrelevant if CvmCtl[NOCRYPTO] */ 154229677Sgonzo bbit1 t0, 26, restore_done 155229677Sgonzo nop 156229677Sgonzo 157229677Sgonzo RESTORE_COP2_REGISTER(COP2_3DES_IV) 158229677Sgonzo RESTORE_COP2_REGISTER(COP2_3DES_KEY0) 159229677Sgonzo RESTORE_COP2_REGISTER(COP2_3DES_KEY1) 160229677Sgonzo RESTORE_COP2_REGISTER(COP2_3DES_KEY2) 161229677Sgonzo RESTORE_COP2_REGISTER(COP2_3DES_RESULT) 162229677Sgonzo 163229677Sgonzo RESTORE_COP2_REGISTER(COP2_AES_INP0) 164229677Sgonzo RESTORE_COP2_REGISTER(COP2_AES_IV0) 165229677Sgonzo RESTORE_COP2_REGISTER(COP2_AES_IV1) 166229677Sgonzo RESTORE_COP2_REGISTER(COP2_AES_KEY0) 167229677Sgonzo RESTORE_COP2_REGISTER(COP2_AES_KEY1) 168229677Sgonzo RESTORE_COP2_REGISTER(COP2_AES_KEY2) 169229677Sgonzo RESTORE_COP2_REGISTER(COP2_AES_KEY3) 170229677Sgonzo RESTORE_COP2_REGISTER(COP2_AES_KEYLEN) 171229677Sgonzo RESTORE_COP2_REGISTER(COP2_AES_RESULT0) 172229677Sgonzo RESTORE_COP2_REGISTER(COP2_AES_RESULT1) 173229677Sgonzo 174229677Sgonzo dmfc0 t0, $15 175229677Sgonzo li t1, 0x000d0000 /* Octeon Pass1 */ 176229677Sgonzo beq t0, t1, restore_pass1 177229677Sgonzo nop 178229677Sgonzo 179229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_DATW0) 180229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_DATW1) 181229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_DATW2) 182229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_DATW3) 183229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_DATW4) 184229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_DATW5) 185229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_DATW6) 186229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_DATW7) 187229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_DATW8) 188229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_DATW9) 189229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_DATW10) 190229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_DATW11) 191229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_DATW12) 192229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_DATW13) 193229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_DATW14) 194229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_IVW0) 195229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_IVW1) 196229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_IVW2) 197229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_IVW3) 198229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_IVW4) 199229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_IVW5) 200229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_IVW6) 201229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_IVW7) 202229677Sgonzo RESTORE_COP2_REGISTER(COP2_GFM_MULT0) 203229677Sgonzo RESTORE_COP2_REGISTER(COP2_GFM_MULT1) 204229677Sgonzo RESTORE_COP2_REGISTER(COP2_GFM_POLY) 205229677Sgonzo RESTORE_COP2_REGISTER(COP2_GFM_RESULT0) 206229677Sgonzo RESTORE_COP2_REGISTER(COP2_GFM_RESULT1) 207229677Sgonzo jr ra 208229677Sgonzo nop 209229677Sgonzo 210229677Sgonzorestore_pass1: 211229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_DATW0_PASS1) 212229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_DATW1_PASS1) 213229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_DATW2_PASS1) 214229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_DATW3_PASS1) 215229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_DATW4_PASS1) 216229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_DATW5_PASS1) 217229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_DATW6_PASS1) 218229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_IVW0_PASS1) 219229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_IVW1_PASS1) 220229677Sgonzo RESTORE_COP2_REGISTER(COP2_HSH_IVW2_PASS1) 221229677Sgonzo 222229677Sgonzorestore_done: 223229677Sgonzo jr ra 224229677Sgonzo nop 225229677SgonzoEND(octeon_cop2_restore) 226