From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- qemu/hw/i386/acpi-dsdt-dbug.dsl | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 qemu/hw/i386/acpi-dsdt-dbug.dsl (limited to 'qemu/hw/i386/acpi-dsdt-dbug.dsl') diff --git a/qemu/hw/i386/acpi-dsdt-dbug.dsl b/qemu/hw/i386/acpi-dsdt-dbug.dsl new file mode 100644 index 000000000..86230f75a --- /dev/null +++ b/qemu/hw/i386/acpi-dsdt-dbug.dsl @@ -0,0 +1,41 @@ +/* + * 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; either version 2 of the License, or + * (at your option) any later version. + + * 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, see . + */ + +/**************************************************************** + * Debugging + ****************************************************************/ + +Scope(\) { + /* Debug Output */ + OperationRegion(DBG, SystemIO, 0x0402, 0x01) + Field(DBG, ByteAcc, NoLock, Preserve) { + DBGB, 8, + } + + /* Debug method - use this method to send output to the QEMU + * BIOS debug port. This method handles strings, integers, + * and buffers. For example: DBUG("abc") DBUG(0x123) */ + Method(DBUG, 1) { + ToHexString(Arg0, Local0) + ToBuffer(Local0, Local0) + Subtract(SizeOf(Local0), 1, Local1) + Store(Zero, Local2) + While (LLess(Local2, Local1)) { + Store(DerefOf(Index(Local0, Local2)), DBGB) + Increment(Local2) + } + Store(0x0A, DBGB) + } +} -- cgit 1.2.3-korg