/* * Some or all of this work - Copyright (c) 2006 - 2019, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * Neither the name of Intel Corporation nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * Bug 283: * * SUMMARY: When the Object parameter of Load is a Field the checksum * of the supplied SSDT should be verified */ Device (D283) { Name (BUF0, Buffer (0x34) { /* 0000 */ 0x53, 0x53, 0x44, 0x54, 0x34, 0x00, 0x00, 0x00, // SSDT4... /* 0008 */ 0x02, 0xEB, 0x49, 0x6E, 0x74, 0x65, 0x6C, 0x00, // ..Intel. /* 0010 */ 0x4D, 0x61, 0x6E, 0x79, 0x00, 0x00, 0x00, 0x00, // Many.... /* 0018 */ 0x01, 0x00, 0x00, 0x00, 0x49, 0x4E, 0x54, 0x4C, // ....INTL /* 0020 */ 0x08, 0x12, 0x06, 0x20, 0x14, 0x0F, 0x5C, 0x53, // ... ..\S /* 0028 */ 0x53, 0x30, 0x30, 0x00, 0xA4, 0x0D, 0x5C, 0x53, // S00...\S /* 0030 */ 0x53, 0x30, 0x30, 0x00 // S00. }) OperationRegion (IST0, SystemMemory, 0x00, 0x34) Field (IST0, ByteAcc, NoLock, Preserve) { RFU0, 416 } Field (IST0, ByteAcc, NoLock, Preserve) { SIG, 32, LENG, 32, REV, 8, SUM, 8 } Method (TST0, 0, Serialized) { Name (HI0, 0x00) RFU0 = BUF0 /* \D283.BUF0 */ /* Spoil the CheckSum */ Store ((SUM + 0x01), SUM) /* \D283.SUM_ */ /* "Incorrect checksum" ACPI warning is expected */ Load (RFU0, HI0) /* \D283.TST0.HI0_ */ CH03 (__METHOD__, 0x00, __LINE__, 0x00, 0x00) Unload (HI0) CH03 (__METHOD__, 0x00, __LINE__, 0x00, 0x00) } } Method (M283, 0, NotSerialized) { \D283.TST0 () }