/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Definitions for the interrupt related bits in the I/O ASIC * interrupt status register (and the interrupt mask register, of course) * * Created with Information from: * * "DEC 3000 300/400/500/600/700/800/900 AXP Models System Programmer's Manual" * * and the Mach Sources * * Copyright (C) 199x the Anonymous * Copyright (C) 2002 Maciej W. Rozycki
*/
/* * The upper 16 bits are a part of the I/O ASIC's internal DMA engine * and thus are common to all I/O ASIC machines. The exception is * the Maxine, which makes use of the FLOPPY and ISDN bits (otherwise * unused) and has a different SCC wiring.
*/ /* all systems */ #define IO_INR_SCC0A_TXDMA 31 /* SCC0A transmit page end */ #define IO_INR_SCC0A_TXERR 30 /* SCC0A transmit memory read error */ #define IO_INR_SCC0A_RXDMA 29 /* SCC0A receive half page */ #define IO_INR_SCC0A_RXERR 28 /* SCC0A receive overrun */ #define IO_INR_ASC_DMA 19 /* ASC buffer pointer loaded */ #define IO_INR_ASC_ERR 18 /* ASC page overrun */ #define IO_INR_ASC_MERR 17 /* ASC memory read error */ #define IO_INR_LANCE_MERR 16 /* LANCE memory read error */
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