48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
/* Calypso DU (Debug Unit) Driver */
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/* (C) 2010 by Ingo Albrecht <prom@berlin.ccc.de>
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*
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <memory.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <calypso/du.h>
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#define BASE_ADDR_DU 0x03c00000
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#define DU_REG(m) (BASE_ADDR_DU+(m))
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void calypso_du_init() {
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unsigned char c;
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calypso_debugunit(1);
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for(c = 0; c < 64; c++) {
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writew(DU_REG(c), 0x00000000);
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}
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}
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void calypso_du_stop() {
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calypso_debugunit(0);
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}
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void calypso_du_dump() {
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unsigned char c;
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puts("Debug unit traceback:\n");
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for(c = 0; c < 64; c++) {
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uint32_t w = readw(DU_REG(c));
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printf("t-%2x: 0x%8x\n", c, (unsigned int)w);
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}
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}
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