diff options
Diffstat (limited to 'tools/testing/selftests/x86/5lvl.c')
| -rw-r--r-- | tools/testing/selftests/x86/5lvl.c | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/tools/testing/selftests/x86/5lvl.c b/tools/testing/selftests/x86/5lvl.c deleted file mode 100644 index 2eafdcd4c2b3..000000000000 --- a/tools/testing/selftests/x86/5lvl.c +++ /dev/null @@ -1,177 +0,0 @@ -#include <stdio.h> -#include <sys/mman.h> - -#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) - -#define PAGE_SIZE 4096 -#define LOW_ADDR ((void *) (1UL << 30)) -#define HIGH_ADDR ((void *) (1UL << 50)) - -struct testcase { - void *addr; - unsigned long size; - unsigned long flags; - const char *msg; - unsigned int low_addr_required:1; - unsigned int keep_mapped:1; -}; - -static struct testcase testcases[] = { - { - .addr = NULL, - .size = 2 * PAGE_SIZE, - .flags = MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap(NULL)", - .low_addr_required = 1, - }, - { - .addr = LOW_ADDR, - .size = 2 * PAGE_SIZE, - .flags = MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap(LOW_ADDR)", - .low_addr_required = 1, - }, - { - .addr = HIGH_ADDR, - .size = 2 * PAGE_SIZE, - .flags = MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap(HIGH_ADDR)", - .keep_mapped = 1, - }, - { - .addr = HIGH_ADDR, - .size = 2 * PAGE_SIZE, - .flags = MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap(HIGH_ADDR) again", - .keep_mapped = 1, - }, - { - .addr = HIGH_ADDR, - .size = 2 * PAGE_SIZE, - .flags = MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, - .msg = "mmap(HIGH_ADDR, MAP_FIXED)", - }, - { - .addr = (void*) -1, - .size = 2 * PAGE_SIZE, - .flags = MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap(-1)", - .keep_mapped = 1, - }, - { - .addr = (void*) -1, - .size = 2 * PAGE_SIZE, - .flags = MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap(-1) again", - }, - { - .addr = (void *)((1UL << 47) - PAGE_SIZE), - .size = 2 * PAGE_SIZE, - .flags = MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap((1UL << 47), 2 * PAGE_SIZE)", - .low_addr_required = 1, - .keep_mapped = 1, - }, - { - .addr = (void *)((1UL << 47) - PAGE_SIZE / 2), - .size = 2 * PAGE_SIZE, - .flags = MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap((1UL << 47), 2 * PAGE_SIZE / 2)", - .low_addr_required = 1, - .keep_mapped = 1, - }, - { - .addr = (void *)((1UL << 47) - PAGE_SIZE), - .size = 2 * PAGE_SIZE, - .flags = MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, - .msg = "mmap((1UL << 47) - PAGE_SIZE, 2 * PAGE_SIZE, MAP_FIXED)", - }, - { - .addr = NULL, - .size = 2UL << 20, - .flags = MAP_HUGETLB | MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap(NULL, MAP_HUGETLB)", - .low_addr_required = 1, - }, - { - .addr = LOW_ADDR, - .size = 2UL << 20, - .flags = MAP_HUGETLB | MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap(LOW_ADDR, MAP_HUGETLB)", - .low_addr_required = 1, - }, - { - .addr = HIGH_ADDR, - .size = 2UL << 20, - .flags = MAP_HUGETLB | MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap(HIGH_ADDR, MAP_HUGETLB)", - .keep_mapped = 1, - }, - { - .addr = HIGH_ADDR, - .size = 2UL << 20, - .flags = MAP_HUGETLB | MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap(HIGH_ADDR, MAP_HUGETLB) again", - .keep_mapped = 1, - }, - { - .addr = HIGH_ADDR, - .size = 2UL << 20, - .flags = MAP_HUGETLB | MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, - .msg = "mmap(HIGH_ADDR, MAP_FIXED | MAP_HUGETLB)", - }, - { - .addr = (void*) -1, - .size = 2UL << 20, - .flags = MAP_HUGETLB | MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap(-1, MAP_HUGETLB)", - .keep_mapped = 1, - }, - { - .addr = (void*) -1, - .size = 2UL << 20, - .flags = MAP_HUGETLB | MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap(-1, MAP_HUGETLB) again", - }, - { - .addr = (void *)((1UL << 47) - PAGE_SIZE), - .size = 4UL << 20, - .flags = MAP_HUGETLB | MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap((1UL << 47), 4UL << 20, MAP_HUGETLB)", - .low_addr_required = 1, - .keep_mapped = 1, - }, - { - .addr = (void *)((1UL << 47) - (2UL << 20)), - .size = 4UL << 20, - .flags = MAP_HUGETLB | MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, - .msg = "mmap((1UL << 47) - (2UL << 20), 4UL << 20, MAP_FIXED | MAP_HUGETLB)", - }, -}; - -int main(int argc, char **argv) -{ - int i; - void *p; - - for (i = 0; i < ARRAY_SIZE(testcases); i++) { - struct testcase *t = testcases + i; - - p = mmap(t->addr, t->size, PROT_NONE, t->flags, -1, 0); - - printf("%s: %p - ", t->msg, p); - - if (p == MAP_FAILED) { - printf("FAILED\n"); - continue; - } - - if (t->low_addr_required && p >= (void *)(1UL << 47)) - printf("FAILED\n"); - else - printf("OK\n"); - if (!t->keep_mapped) - munmap(p, t->size); - } - return 0; -} |