x86: acpi: Add some generic ASL libraries
This adds several generic ASL libraries that can be included by other ASL files, which are: - debug.asl: for debug output using POST I/O port and legacy serial port - globutil.asl: for string compare routines - statdef.asl: for _STA status values Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Stefan Roese <sr@denx.de> Tested-by: Stefan Roese <sr@denx.de> Reviewed-by: Simon Glass <sjg@chromium.org>
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Bin Meng
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136
arch/x86/include/asm/acpi/debug.asl
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136
arch/x86/include/asm/acpi/debug.asl
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/*
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* Copyright (C) 2008 Advanced Micro Devices, Inc.
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* Copyright (C) 2016 Bin Meng <bmeng.cn@gmail.com>
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*
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* Modified from coreboot src/arch/x86/acpi/debug.asl
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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/* POST register region */
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OperationRegion(X80, SystemIO, 0x80, 1)
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Field(X80, ByteAcc, NoLock, Preserve)
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{
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P80, 8
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}
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/* Legacy serial port register region */
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OperationRegion(CREG, SystemIO, 0x3F8, 8)
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Field(CREG, ByteAcc, NoLock, Preserve)
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{
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CDAT, 8,
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CDLM, 8,
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, 8,
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CLCR, 8,
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CMCR, 8,
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CLSR, 8
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}
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/* DINI - Initialize the serial port to 115200 8-N-1 */
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Method(DINI)
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{
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Store(0x83, CLCR)
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Store(0x01, CDAT) /* 115200 baud (low) */
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Store(0x00, CDLM) /* 115200 baud (high) */
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Store(0x03, CLCR) /* word=8 stop=1 parity=none */
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Store(0x03, CMCR) /* DTR=1 RTS=1 out1/2=Off loop=Off */
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Store(0x00, CDLM) /* turn off interrupts */
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}
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/* THRE - Wait for serial port transmitter holding register to go empty */
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Method(THRE)
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{
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And(CLSR, 0x20, Local0)
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While (LEqual(Local0, Zero)) {
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And(CLSR, 0x20, Local0)
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}
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}
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/* OUTX - Send a single raw character */
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Method(OUTX, 1)
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{
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THRE()
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Store(Arg0, CDAT)
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}
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/* OUTC - Send a single character, expanding LF into CR/LF */
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Method(OUTC, 1)
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{
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If (LEqual(Arg0, 0x0a)) {
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OUTX(0x0d)
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}
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OUTX(Arg0)
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}
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/* DBGN - Send a single hex nibble */
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Method(DBGN, 1)
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{
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And(Arg0, 0x0f, Local0)
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If (LLess(Local0, 10)) {
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Add(Local0, 0x30, Local0)
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} Else {
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Add(Local0, 0x37, Local0)
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}
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OUTC(Local0)
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}
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/* DBGB - Send a hex byte */
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Method(DBGB, 1)
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{
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ShiftRight(Arg0, 4, Local0)
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DBGN(Local0)
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DBGN(Arg0)
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}
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/* DBGW - Send a hex word */
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Method(DBGW, 1)
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{
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ShiftRight(Arg0, 8, Local0)
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DBGB(Local0)
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DBGB(Arg0)
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}
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/* DBGD - Send a hex dword */
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Method(DBGD, 1)
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{
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ShiftRight(Arg0, 16, Local0)
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DBGW(Local0)
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DBGW(Arg0)
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}
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/* Get a char from a string */
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Method(GETC, 2)
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{
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CreateByteField(Arg0, Arg1, DBGC)
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Return (DBGC)
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}
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/* DBGO - Send either a string or an integer */
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Method(DBGO, 1, Serialized)
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{
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If (LEqual(ObjectType(Arg0), 1)) {
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If (LGreater(Arg0, 0xffff)) {
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DBGD(Arg0)
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} Else {
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If (LGreater(Arg0, 0xff)) {
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DBGW(Arg0)
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} Else {
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DBGB(Arg0)
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}
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}
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} Else {
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Name(BDBG, Buffer(80) {})
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Store(Arg0, BDBG)
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Store(0, Local1)
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While (One) {
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Store(GETC(BDBG, Local1), Local0)
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If (LEqual(Local0, 0)) {
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Return (Zero)
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}
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OUTC(Local0)
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Increment(Local1)
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}
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}
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Return (Zero)
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}
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113
arch/x86/include/asm/acpi/globutil.asl
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113
arch/x86/include/asm/acpi/globutil.asl
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/*
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* Copyright (C) 2008 Advanced Micro Devices, Inc.
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* Copyright (C) 2016 Bin Meng <bmeng.cn@gmail.com>
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*
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* Modified from coreboot src/arch/x86/acpi/globutil.asl
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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Method(MIN, 2)
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{
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If (LLess(Arg0, Arg1)) {
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Return (Arg0)
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} Else {
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Return (Arg1)
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}
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}
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Method(SLEN, 1)
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{
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Store(Arg0, Local0)
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Return (Sizeof(Local0))
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}
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Method(S2BF, 1, Serialized)
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{
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Add(SLEN(Arg0), One, Local0)
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Name(BUFF, Buffer(Local0) {})
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Store(Arg0, BUFF)
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Return (BUFF)
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}
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/*
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* SCMP - Strong string compare
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*
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* Checks both length and content
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*/
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Method(SCMP, 2)
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{
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Store(S2BF(Arg0), Local0)
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Store(S2BF(Arg1), Local1)
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Store(Zero, Local4)
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Store(SLEN(Arg0), Local5)
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Store(SLEN(Arg1), Local6)
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Store(MIN(Local5, Local6), Local7)
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While (LLess(Local4, Local7)) {
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Store(Derefof(Index(Local0, Local4)), Local2)
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Store(Derefof(Index(Local1, Local4)), Local3)
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If (LGreater(Local2, Local3)) {
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Return (One)
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} Else {
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If (LLess(Local2, Local3)) {
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Return (Ones)
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}
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}
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Increment(Local4)
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}
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If (LLess(Local4, Local5)) {
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Return (One)
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} Else {
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If (LLess(Local4, Local6)) {
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Return (Ones)
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} Else {
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Return (Zero)
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}
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}
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}
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/*
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* WCMP - Weak string compare
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*
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* Checks to find Arg1 at beginning of Arg0.
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* Fails if length(Arg0) < length(Arg1).
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* Returns 0 on fail, 1 on pass.
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*/
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Method(WCMP, 2)
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{
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Store(S2BF(Arg0), Local0)
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Store(S2BF(Arg1), Local1)
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If (LLess(SLEN(Arg0), SLEN(Arg1))) {
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Return (Zero)
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}
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Store(Zero, Local2)
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Store(SLEN(Arg1), Local3)
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While (LLess(Local2, Local3)) {
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If (LNotEqual(Derefof(Index(Local0, Local2)),
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Derefof(Index(Local1, Local2)))) {
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Return (Zero)
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}
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Increment(Local2)
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}
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Return (One)
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}
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/*
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* I2BM - Returns Bit Map
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*
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* Arg0 = IRQ Number (0-15)
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*/
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Method(I2BM, 1)
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{
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Store(0, Local0)
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If (LNotEqual(Arg0, 0)) {
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Store(1, Local1)
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ShiftLeft(Local1, Arg0, Local0)
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}
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Return (Local0)
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}
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82
arch/x86/include/asm/acpi/statdef.asl
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82
arch/x86/include/asm/acpi/statdef.asl
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@ -0,0 +1,82 @@
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/*
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* Copyright (C) 2008 Advanced Micro Devices, Inc.
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* Copyright (C) 2016 Bin Meng <bmeng.cn@gmail.com>
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*
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* Modified from coreboot src/arch/x86/acpi/statdef.asl
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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/* Status and notification definitions */
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#define STA_MISSING 0x00
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#define STA_PRESENT 0x01
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#define STA_ENABLED 0x03
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#define STA_DISABLED 0x09
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#define STA_INVISIBLE 0x0b
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#define STA_UNAVAILABLE 0x0d
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#define STA_VISIBLE 0x0f
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/* SMBus status codes */
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#define SMB_OK 0x00
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#define SMB_UNKNOWN_FAIL 0x07
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#define SMB_DEV_ADDR_NAK 0x10
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#define SMB_DEVICE_ERROR 0x11
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#define SMB_DEV_CMD_DENIED 0x12
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#define SMB_UNKNOWN_ERR 0x13
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#define SMB_DEV_ACC_DENIED 0x17
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#define SMB_TIMEOUT 0x18
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#define SMB_HST_UNSUPP_PROTOCOL 0x19
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#define SMB_BUSY 0x1a
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#define SMB_PKT_CHK_ERROR 0x1f
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/* Device Object Notification Values */
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#define NOTIFY_BUS_CHECK 0x00
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#define NOTIFY_DEVICE_CHECK 0x01
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#define NOTIFY_DEVICE_WAKE 0x02
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#define NOTIFY_EJECT_REQUEST 0x03
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#define NOTIFY_DEVICE_CHECK_JR 0x04
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#define NOTIFY_FREQUENCY_ERROR 0x05
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#define NOTIFY_BUS_MODE 0x06
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#define NOTIFY_POWER_FAULT 0x07
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#define NOTIFY_CAPABILITIES 0x08
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#define NOTIFY_PLD_CHECK 0x09
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#define NOTIFY_SLIT_UPDATE 0x0b
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#define NOTIFY_SRA_UPDATE 0x0d
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/* Battery Device Notification Values */
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#define NOTIFY_BAT_STATUSCHG 0x80
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#define NOTIFY_BAT_INFOCHG 0x81
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#define NOTIFY_BAT_MAINTDATA 0x82
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/* Power Source Object Notification Values */
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#define NOTIFY_PWR_STATUSCHG 0x80
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#define NOTIFY_PWR_INFOCHG 0x81
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/* Thermal Zone Object Notification Values */
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#define NOTIFY_TZ_STATUSCHG 0x80
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#define NOTIFY_TZ_TRIPPTCHG 0x81
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#define NOTIFY_TZ_DEVLISTCHG 0x82
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#define NOTIFY_TZ_RELTBLCHG 0x83
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/* Power Button Notification Values */
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#define NOTIFY_POWER_BUTTON 0x80
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/* Sleep Button Notification Values */
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#define NOTIFY_SLEEP_BUTTON 0x80
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/* Lid Notification Values */
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#define NOTIFY_LID_STATUSCHG 0x80
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/* Processor Device Notification Values */
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#define NOTIFY_CPU_PPCCHG 0x80
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#define NOTIFY_CPU_CSTATECHG 0x81
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#define NOTIFY_CPU_THROTLCHG 0x82
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/* User Presence Device Notification Values */
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#define NOTIFY_USR_PRESNCECHG 0x80
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/* Ambient Light Sensor Notification Values */
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#define NOTIFY_ALS_ILLUMCHG 0x80
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#define NOTIFY_ALS_COLORTMPCHG 0x81
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#define NOTIFY_ALS_RESPCHG 0x82
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