76 lines
1.5 KiB
C
76 lines
1.5 KiB
C
/* 002.c COPYRIGHT FUJITSU LIMITED 2016-2019 */
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/* Use fork() takeover registers check. */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <errno.h>
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#include <sys/types.h>
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#include "common.h"
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TEST_FUNC(TEST_NUMBER, unused1, vq, unused2, unused3)
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{
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struct fpsimd_sve_state(vq) rd_buf;
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struct fpsimd_sve_state(vq) wr_buf;
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unsigned int fpscr[2] = { 0, 0 };
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pid_t cpid = 0;
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int ret = -1;
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print_test_overview(tp_num);
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memset(&rd_buf, 0, sizeof(rd_buf));
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memset(&wr_buf, 0, sizeof(wr_buf));
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gen_test_sve(&wr_buf, vq);
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write_sve(&wr_buf, vq, fpscr);
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read_sve(&rd_buf, vq, fpscr);
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if (sve_compare(&wr_buf, &rd_buf, vq)) {
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printf("parent-process register compare failed.\n");
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goto out;
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}
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cpid = fork();
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switch (cpid) {
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case -1:
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/* error */
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printf("ERROR: fork()=%d, errno=%d\n", cpid, errno);
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goto out;
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case 0: {
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/* child process */
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struct fpsimd_sve_state(vq) c_rd_buf;
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struct fpsimd_sve_state(vq) c_cmp_buf;
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memset(&c_rd_buf, 0, sizeof(struct fpsimd_sve_state(vq)));
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read_sve(&c_rd_buf, vq, fpscr);
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memset(&c_cmp_buf, 0, sizeof(struct fpsimd_sve_state(vq)));
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gen_test_sve_low_128(&c_cmp_buf, vq, vq);
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if (sve_compare(&c_cmp_buf, &c_rd_buf, vq)) {
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printf("child-process register compare failed.\n");
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exit(-1);
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}
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exit(0);
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break;
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}
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default:
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/* parent process */
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/* wait child */
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if (wait_child_exit(cpid)) {
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goto out;
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}
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break;
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}
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/* success. */
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ret = 0;
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out:
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if (ret == 0) {
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printf("RESULT: OK.\n");
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} else {
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printf("RESULT: NG.\n");
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}
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return ret;
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}
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