Add test programs for lage page

Tests arm64 specific, contiguous bit based large pages as well.

Change-Id: I09edad8cfde6c23a259f1f32cfc97974d9cb63c3

test/large_page/arm64/301_4K.c

@@ -0,0 +1,84 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <sys/ipc.h>
+#include <sys/shm.h>
+#include "../util.h"
+
+#define PAGE_SHIFT_64K 16
+#define PAGE_SIZE_64K (1UL << PAGE_SHIFT_64K)
+
+#define PAGE_SHIFT_2M 21
+#define PAGE_SIZE_2M (1UL << PAGE_SHIFT_2M)
+
+#define PAGE_SHIFT_32M 25
+#define PAGE_SIZE_32M (1UL << PAGE_SHIFT_32M)
+
+#define PAGE_SHIFT_1G 30
+#define PAGE_SIZE_1G (1UL << PAGE_SHIFT_1G)
+
+#define SHM_HUGE_SHIFT 26
+
+int trial_num;
+
+int shmat_thp(char **argv, size_t page_size, unsigned long page_shift)
+{
+	int ret;
+	key_t key;
+	int shmid;
+	struct shmid_ds shmid_ds;
+	char *addr_shmget;
+
+	key = ftok(argv[0], 0);
+
+	shmid = shmget(key, page_size, IPC_CREAT | 0660 |
+		       SHM_HUGETLB | (page_shift << SHM_HUGE_SHIFT));
+	NG(shmid != -1, "shmget failed\n");
+
+	addr_shmget = shmat(shmid, NULL, 0);
+	NG(addr_shmget != (void *)-1, "shmat failed\n");
+
+	addr_shmget[0] = 'z';
+	NG(__atomic_load_n(addr_shmget, __ATOMIC_SEQ_CST) == 'z',
+	   "memory access failed\n");
+
+	printf("large page request, trial#: %03d, addr: %016lx, size: %ld\n",
+	       trial_num++, (unsigned long)addr_shmget, page_size);
+
+	ret = shmctl(shmid, IPC_RMID, &shmid_ds);
+	NG(ret != -1, "shmctl failed\n");
+
+	ret = shmdt(addr_shmget);
+	NG(ret != -1, "shmdt failed\n");
+
+	return 0;
+ fn_fail:
+	return 1;
+}
+
+int main(int argc, char **argv)
+{
+	int ret;
+
+	ret = shmat_thp(argv, PAGE_SIZE_64K, PAGE_SHIFT_64K);
+	NG(ret == 0, "shmat_thp failed, size: %ld\n",
+	   PAGE_SIZE_64K);
+
+	ret = shmat_thp(argv, PAGE_SIZE_2M, PAGE_SHIFT_2M);
+	NG(ret == 0, "shmat_thp failed, size: %ld\n",
+	   PAGE_SIZE_2M);
+
+	ret = shmat_thp(argv, PAGE_SIZE_32M, PAGE_SHIFT_32M);
+	NG(ret == 0, "shmat_thp failed, size: %ld\n",
+	   PAGE_SIZE_32M);
+
+	ret = shmat_thp(argv, PAGE_SIZE_1G, PAGE_SHIFT_1G);
+	NG(ret == 0, "shmat_thp failed, size: %ld\n",
+	   PAGE_SIZE_1G);
+
+	return 0;
+ fn_fail:
+	return 1;
+}