72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
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/*
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* This file is part of Jehanne.
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*
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* Copyright (C) 2017 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 <libc.h>
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int verbose = 1;
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void
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main(void)
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{
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void *seg;
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char *p;
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seg = segattach(15, "memory", (void*)0x80000000, 1024*1024);
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if(seg == (void*)-1){
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print("FAIL: segattach: %r\n");
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exits("FAIL");
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}
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if(seg != (void*)0x80000000){
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print("FAIL: segattach: wrong segment base for memory class %#p\n", seg);
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exits("FAIL");
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}
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for(p = seg; p < (char*)seg+(1024*1024); p += 512)
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*p = 1;
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for(p = seg; p < (char*)seg+(1024*1024); p += 512){
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if(*p != 1){
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print("FAIL: segattach: unable to write bytes in attached segment\n");
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exits("FAIL");
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}
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}
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p = seg + 4096*5+10;
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if(segfree(p, 4096*10) < 0){
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print("FAIL: segfree: %r\n");
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exits("FAIL");
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}
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for(p = seg; p < (char*)seg+(1024*1024); p += 512){
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if(*p != 1){
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// print("segfree: found clean address at %#p\n", p);
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break;
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}
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}
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if(p == (char*)seg+(1024*1024)){
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print("FAIL: segfree: no page previously freed had been faulted\n");
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exit("FAIL");
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}
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if(segdetach(seg) < 0){
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print("FAIL: segdetach: %r\n");
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exits("FAIL");
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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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