84bf5f4d14
This change updates the 3B2 README.md file, and fixes all line endings on 3B2 source files.
166 lines
5.2 KiB
C
166 lines
5.2 KiB
C
/* 3b2_defs.h: AT&T 3B2 Shared Simulator Definitions
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Copyright (c) 2017-2022, Seth J. Morabito
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation
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files (the "Software"), to deal in the Software without
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restriction, including without limitation the rights to use, copy,
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modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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Except as contained in this notice, the name of the author shall
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not be used in advertising or otherwise to promote the sale, use or
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other dealings in this Software without prior written authorization
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from the author.
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*/
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#ifndef _3B2_DEFS_H_
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#define _3B2_DEFS_H_
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#include <setjmp.h>
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#include "sim_defs.h"
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#if defined(REV3)
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#include "3b2_rev3_defs.h"
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#else
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#include "3b2_rev2_defs.h"
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#endif
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#ifndef FALSE
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#define FALSE 0
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#endif
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#ifndef TRUE
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#define TRUE 1
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#endif
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#if defined(__GNUC__)
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#define noret void __attribute__((noreturn))
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#else
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#define noret void
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#endif
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#ifndef MAX
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#define MAX(x, y) ((x) > (y) ? (x) : (y))
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#endif
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#ifndef MIN
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#define MIN(x, y) ((x) < (y) ? (x) : (y))
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#endif
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#ifndef UNUSED
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#define UNUSED(x) ((void)((x)))
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#endif
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#define ATOW(arr, i) \
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((uint32)(arr)[i + 3] + ((uint32)(arr)[i + 2] << 8) + \
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((uint32)(arr)[i + 1] << 16) + ((uint32)(arr)[i] << 24))
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#define ATOH(arr, i) ((uint32)(arr)[i + 1] + ((uint32)(arr)[i] << 8))
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#define CSRBIT(bit, sc) \
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{ \
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if (sc) { \
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csr_data |= (bit); \
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} else { \
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csr_data &= ~(bit); \
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} \
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}
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#define PCHAR(c) (((char) (c) >= 0x20 && (char) (c) < 0x7f) ? (char) (c) : '.')
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#define ROM_SIZE (128 * 1024)
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#define POLL_WAIT 70000
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#define UNIT_V_EXBRK (UNIT_V_UF + 0)
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#define UNIT_V_OPBRK (UNIT_V_UF + 1)
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#define UNIT_EXBRK (1u << UNIT_V_EXBRK)
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#define UNIT_OPBRK (1u << UNIT_V_OPBRK)
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#define EX_V_FLAG 1 << 21
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#define ROM_BASE 0
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#define PHYS_MEM_BASE 0x2000000
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#define MSIZ_512K 0x80000
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#define MSIZ_1M 0x100000
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#define MSIZ_2M 0x200000
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#define MSIZ_4M 0x400000
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#define MSIZ_8M 0x800000
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#define MSIZ_16M 0x1000000
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#define MSIZ_32M 0x2000000
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#define MSIZ_64M 0x4000000
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/* Simulator stop codes */
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#define STOP_RSRV 1
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#define STOP_IBKPT 2 /* Breakpoint encountered */
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#define STOP_OPCODE 3 /* Invalid opcode */
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#define STOP_IRQ 4 /* Interrupt */
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#define STOP_EX 5 /* Exception */
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#define STOP_ESTK 6 /* Exception stack too deep */
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#define STOP_MMU 7 /* Unimplemented MMU Feature */
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#define STOP_POWER 8 /* System power-off */
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#define STOP_LOOP 9 /* Infinite loop stop */
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#define STOP_ERR 10 /* Other error */
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/* Debug flags */
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#define READ_MSG 0x0001
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#define WRITE_MSG 0x0002
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#define DECODE_MSG 0x0004
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#define EXECUTE_MSG 0x0008
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#define INIT_MSG 0x0010
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#define IRQ_MSG 0x0020
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#define IO_DBG 0x0040
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#define CIO_DBG 0x0080
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#define TRACE_DBG 0x0100
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#define CALL_DBG 0x0200
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#define PKT_DBG 0x0400
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#define ERR_MSG 0x0800
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#define CACHE_DBG 0x1000
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#define DECODE_DBG 0x2000
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#define TIMER_SANITY 0
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#define TIMER_INTERVAL 1
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#define TIMER_BUS 2
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/* Timers */
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#define TMR_CLK 0 /* Calibrated 100Hz timer */
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/* Global symbols */
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extern DEBTAB sys_deb_tab[];
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extern DEVICE contty_dev;
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extern DEVICE cpu_dev;
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extern DEVICE csr_dev;
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extern DEVICE ctc_dev;
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extern DEVICE dmac_dev;
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extern DEVICE id_dev;
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extern DEVICE if_dev;
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extern DEVICE iu_timer_dev;
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extern DEVICE mau_dev;
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extern DEVICE mmu_dev;
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extern DEVICE ni_dev;
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extern DEVICE nvram_dev;
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extern DEVICE ports_dev;
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extern DEVICE timer_dev;
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extern DEVICE tod_dev;
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extern DEVICE tti_dev;
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extern DEVICE tto_dev;
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#if defined(REV3)
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extern DEVICE flt_dev;
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extern DEVICE ha_dev;
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#endif /* defined(REV3) */
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#endif /* _3B2_DEFS_H_ */
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