55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
/*
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* This file is part of Jehanne.
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*
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* Copyright (C) 2015 Giacomo Tesio <giacomo@tesio.it>
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*
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* Jehanne 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, version 2 of the License.
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*
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* Jehanne 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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* You should have received a copy of the GNU General Public License
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* along with Jehanne. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <u.h>
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#include <lib9.h>
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#define GiB 1024*1024*1024
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void
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main(void)
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{
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char *p, *q, *e;
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p = malloc(GiB);
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if(p == nil){
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fprint(2, "FAIL: malloc(GiB)\n");
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exits("FAIL");
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}
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e = p + GiB;
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for(q = p;
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q < e;
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q += 512){
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if((q - p) % (32*1024*1024) == 0)
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fprint(2, "setting %#p (off %d, %d MiB)\n", q, q - p, (q - p) / (1024*1024));
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*q = 1;
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}
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for(q = p;
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q < e;
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q += 512){
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if(*q != 1){
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fprint(2, "FAIL: memory check\n");
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exits("FAIL");
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}
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}
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print("PASS\n");
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exits("PASS");
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}
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