102 lines
2.2 KiB
C
102 lines
2.2 KiB
C
/* 021.c COPYRIGHT FUJITSU LIMITED 2017-2019 */
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/* Use pthread_create() VL check if setting INHERIT flags. */
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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 <pthread.h>
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#include "common.h"
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static void *child_function(void *arg)
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{
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void *ret = (void *)-1;
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unsigned int vl = sve_get_vl();
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unsigned int vq = sve_vq_from_vl(vl);
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unsigned int *dfl_vl = (unsigned int *)arg;
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void *rd_buf = calloc(1, (vl * 35) + 15);
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void *cmp_buf = NULL, *align_cmp_buf = NULL;
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void *align_rd_buf = (void *)(((unsigned long)(rd_buf + 15)) & ~15UL);
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unsigned int fpscr[2] = { 0, 0 };
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if (!rd_buf) {
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printf("calloc() failed.\n");
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goto out;
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}
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if (get_and_compare_vl(gen_set_vl(*dfl_vl) | PR_SVE_VL_INHERIT)) {
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printf("prctl: error.\n");
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goto rd_free_out;
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}
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read_sve(align_rd_buf, vq, fpscr);
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cmp_buf = calloc(1, (vl * 35) + 15);
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if (!cmp_buf) {
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printf("calloc() failed.\n");
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goto rd_free_out;
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}
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align_cmp_buf = (void *)(((unsigned long)(rd_buf + 15)) & ~15UL);
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gen_test_sve_low_128(align_cmp_buf, sve_vq_from_vl(*dfl_vl), vq);
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if (sve_compare(align_cmp_buf, align_rd_buf, vq)) {
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printf("child-thread register compare failed.\n");
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goto cmp_free_out;
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}
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/* success */
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ret = NULL;
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cmp_free_out:
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free(cmp_buf);
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rd_free_out:
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free(rd_buf);
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out:
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pthread_exit(ret);
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return NULL;
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}
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TEST_FUNC(TEST_NUMBER, vl, vq, unused1, unused2)
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{
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void *pret = (void *)-1;
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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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pthread_t thread;
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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-thread compare failed.\n");
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goto out;
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}
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if (set_and_compare_vl(gen_set_vl(vl) | PR_SVE_VL_INHERIT)) {
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printf("prctl: error.\n");
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goto out;
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}
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if (pthread_create(&thread, NULL, child_function, &vl)) {
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printf("pthread_create: error.\n");
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goto out;
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}
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if (pthread_join(thread, &pret)) {
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printf("pthread_join: error.\n");
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goto out;
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}
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out:
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if (pret == NULL) {
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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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