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author | Mole Shang <[email protected]> | 2024-02-11 14:44:22 +0800 |
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committer | Mole Shang <[email protected]> | 2024-02-11 16:06:15 +0800 |
commit | 2fe04bc8faa4bf737a86c36a8017473e84814f3b (patch) | |
tree | 2146d3dae86f21060e2e807ad364f5a949fd1c53 /user/pgtbltest.c | |
parent | 5ce1f630132d8b7b35b9dc46b4a55f860eb85d5c (diff) | |
parent | 48a5e34fcd07852b4a68825ce8e37feb6f6d04d7 (diff) | |
download | xv6-labs-2fe04bc8faa4bf737a86c36a8017473e84814f3b.tar.gz xv6-labs-2fe04bc8faa4bf737a86c36a8017473e84814f3b.tar.bz2 xv6-labs-2fe04bc8faa4bf737a86c36a8017473e84814f3b.zip |
Merge branch 'traps' into cow
Conflicts:
.gitignore
Makefile
conf/lab.mk
Diffstat (limited to 'user/pgtbltest.c')
-rw-r--r-- | user/pgtbltest.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/user/pgtbltest.c b/user/pgtbltest.c new file mode 100644 index 0000000..bce158a --- /dev/null +++ b/user/pgtbltest.c @@ -0,0 +1,70 @@ +#include "kernel/param.h" +#include "kernel/fcntl.h" +#include "kernel/types.h" +#include "kernel/riscv.h" +#include "user/user.h" + +void ugetpid_test(); +void pgaccess_test(); + +int +main(int argc, char *argv[]) +{ + ugetpid_test(); + pgaccess_test(); + printf("pgtbltest: all tests succeeded\n"); + exit(0); +} + +char *testname = "???"; + +void +err(char *why) +{ + printf("pgtbltest: %s failed: %s, pid=%d\n", testname, why, getpid()); + exit(1); +} + +void +ugetpid_test() +{ + int i; + + printf("ugetpid_test starting\n"); + testname = "ugetpid_test"; + + for (i = 0; i < 64; i++) { + int ret = fork(); + if (ret != 0) { + wait(&ret); + if (ret != 0) + exit(1); + continue; + } + if (getpid() != ugetpid()) + err("missmatched PID"); + exit(0); + } + printf("ugetpid_test: OK\n"); +} + +void +pgaccess_test() +{ + char *buf; + unsigned int abits; + printf("pgaccess_test starting\n"); + testname = "pgaccess_test"; + buf = malloc(32 * PGSIZE); + if (pgaccess(buf, 32, &abits) < 0) + err("pgaccess failed"); + buf[PGSIZE * 1] += 1; + buf[PGSIZE * 2] += 1; + buf[PGSIZE * 30] += 1; + if (pgaccess(buf, 32, &abits) < 0) + err("pgaccess failed"); + if (abits != ((1 << 1) | (1 << 2) | (1 << 30))) + err("incorrect access bits set"); + free(buf); + printf("pgaccess_test: OK\n"); +} |