[qemu.git] / hw / i386 / acpi-dsdt-dbug.dsl

/*
 * 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 <http://www.gnu.org/licenses/>.
 */

/****************************************************************
 * 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)
    }
}
Commit	Line	Data
74523b85 MT	1	/*
	2	* This program is free software; you can redistribute it and/or modify
	3	* it under the terms of the GNU General Public License as published by
	4	* the Free Software Foundation; either version 2 of the License, or
	5	* (at your option) any later version.
	6
	7	* This program is distributed in the hope that it will be useful,
	8	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	9	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	10	* GNU General Public License for more details.
	11
	12	* You should have received a copy of the GNU General Public License along
	13	* with this program; if not, see <http://www.gnu.org/licenses/>.
	14	*/
	15
	16	/****************************************************************
	17	* Debugging
	18	****************************************************************/
	19
	20	Scope(\) {
	21	/* Debug Output */
	22	OperationRegion(DBG, SystemIO, 0x0402, 0x01)
	23	Field(DBG, ByteAcc, NoLock, Preserve) {
	24	DBGB, 8,
	25	}
	26
	27	/* Debug method - use this method to send output to the QEMU
	28	* BIOS debug port. This method handles strings, integers,
	29	* and buffers. For example: DBUG("abc") DBUG(0x123) */
	30	Method(DBUG, 1) {
	31	ToHexString(Arg0, Local0)
	32	ToBuffer(Local0, Local0)
	33	Subtract(SizeOf(Local0), 1, Local1)
	34	Store(Zero, Local2)
	35	While (LLess(Local2, Local1)) {
	36	Store(DerefOf(Index(Local0, Local2)), DBGB)
	37	Increment(Local2)
	38	}
	39	Store(0x0A, DBGB)
	40	}
	41	}