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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2010 Advanced Micro Devices, Inc.
*
* 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; version 2 of the License.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
Scope(\_SB) {
#include "globutil.asl"
}
*/
/* string compare functions */
Method(MIN, 2)
{
if (LLess(Arg0, Arg1)) {
Return(Arg0)
} else {
Return(Arg1)
}
}
Method(SLEN, 1)
{
Store(Arg0, Local0)
Return(Sizeof(Local0))
}
Method(S2BF, 1)
{
Add(SLEN(Arg0), One, Local0)
Name(BUFF, Buffer(Local0) {})
Store(Arg0, BUFF)
Return(BUFF)
}
/* Strong string compare. Checks both length and content */
Method(SCMP, 2)
{
Store(S2BF(Arg0), Local0)
Store(S2BF(Arg1), Local1)
Store(Zero, Local4)
Store(SLEN(Arg0), Local5)
Store(SLEN(Arg1), Local6)
Store(MIN(Local5, Local6), Local7)
While(LLess(Local4, Local7)) {
Store(Derefof(Index(Local0, Local4)), Local2)
Store(Derefof(Index(Local1, Local4)), Local3)
if (LGreater(Local2, Local3)) {
Return(One)
} else {
if (LLess(Local2, Local3)) {
Return(Ones)
}
}
Increment(Local4)
}
if (LLess(Local4, Local5)) {
Return(One)
} else {
if (LLess(Local4, Local6)) {
Return(Ones)
} else {
Return(Zero)
}
}
}
/* Weak string compare. Checks to find Arg1 at beginning of Arg0.
* Fails if length(Arg0) < length(Arg1). Returns 0 on Fail, 1 on
* Pass.
*/
Method(WCMP, 2)
{
Store(S2BF(Arg0), Local0)
Store(S2BF(Arg1), Local1)
if (LLess(SLEN(Arg0), SLEN(Arg1))) {
Return(0)
}
Store(Zero, Local2)
Store(SLEN(Arg1), Local3)
While(LLess(Local2, Local3)) {
if (LNotEqual(Derefof(Index(Local0, Local2)),
Derefof(Index(Local1, Local2)))) {
Return(0)
}
Increment(Local2)
}
Return(One)
}
/* ARG0 = IRQ Number(0-15)
* Returns Bit Map
*/
Method(I2BM, 1)
{
Store(0, Local0)
if (LNotEqual(ARG0, 0)) {
Store(1, Local1)
ShiftLeft(Local1, ARG0, Local0)
}
Return(Local0)
}
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