Files
mckernel/test/sve/src/005.c
Shiratori, Takehiro 7da5fede8b Test "Scalable Vector Extension (SVE) support." on arm64
Change-Id: I3abaca932985a06b06887b962e769f2eac96c738
2019-02-27 06:26:00 +00:00

77 lines
1.5 KiB
C

/* 005.c COPYRIGHT FUJITSU LIMITED 2016-2019 */
/* Preservation register check signalhsndler before and after. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <errno.h>
#include "common.h"
static void sig_handler(int sig)
{
unsigned int vl = sve_get_vl();
unsigned int vq = sve_vq_from_vl(vl);
void *wr_buf = calloc(1, (vl * 35) + 15);
void *align_wr_buf = (void *)(((unsigned long)(wr_buf + 15)) & ~15UL);
unsigned int fpscr[2] = { 0, 0 };
if (!wr_buf) {
printf("calloc() failed.\n");
goto out;
}
/* set dirty */
gen_test_sve_dirty(align_wr_buf, vq);
write_sve(align_wr_buf, vq, fpscr);
free(wr_buf);
out:
return;
}
TEST_FUNC(TEST_NUMBER, unused1, vq, unused2, unused3)
{
struct fpsimd_sve_state(vq) rd_buf;
struct fpsimd_sve_state(vq) wr_buf;
unsigned int fpscr[2] = { 0, 0 };
int ret = -1;
print_test_overview(tp_num);
memset(&rd_buf, 0, sizeof(rd_buf));
memset(&wr_buf, 0, sizeof(wr_buf));
if (signal(SIGUSR1, sig_handler) == SIG_ERR) {
printf("Set signal handler failed.\n");
goto out;
}
/* before sighandler */
gen_test_sve(&wr_buf, vq);
write_sve(&wr_buf, vq, fpscr);
if (raise(SIGUSR1)) {
perror("raise(SIGUSR1)");
goto out;
}
/* after sighandler */
read_sve(&rd_buf, vq, fpscr);
/* compare */
if (sve_compare(&wr_buf, &rd_buf, vq)) {
printf("compare failed.\n");
goto out;
}
/* success. */
ret = 0;
out:
if (ret == 0) {
printf("RESULT: OK.\n");
} else {
printf("RESULT: NG.\n");
}
return ret;
}