gh0s7/mckernel
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Test "Scalable Vector Extension (SVE) support." on arm64

Browse Source 
Change-Id: I3abaca932985a06b06887b962e769f2eac96c738
This commit is contained in:
Shiratori, Takehiro
2019-02-20 20:57:26 +09:00
committed by Masamichi Takagi
parent 6810506c3d
commit 7da5fede8b
57 changed files with 6921 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

76
test/sve/src/017.c Normal file
View File

@@ -0,0 +1,76 @@
/* 017.c COPYRIGHT FUJITSU LIMITED 2017-2019 */
/* prctl(PR_SVE_SET_VL) check. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "common.h"
TEST_FUNC(TEST_NUMBER, vl, vq, unused1, unused2)
{
struct fpsimd_sve_state(vq) wr_buf;
struct fpsimd_sve_state(vq) rd_buf;
unsigned int fpscr[2] = { 0, 0 };
int i = 0, ret = -1;
const unsigned int set_vl_1 = gen_set_vl(vl);
const unsigned int set_vl_2 = gen_set_vl(set_vl_1);
struct {
unsigned int vl;
unsigned int flags;
void *compare;
} setting[] = {
{ set_vl_1, 0, NULL },
{ set_vl_2, 0, NULL }
};
struct fpsimd_sve_state(sve_vq_from_vl(setting[0].vl)) cmp_0;
struct fpsimd_sve_state(sve_vq_from_vl(setting[1].vl)) cmp_1;
print_test_overview(tp_num);
/* buffer initialize */
memset(&wr_buf, 0, sizeof(wr_buf));
memset(&rd_buf, 0, sizeof(rd_buf));
memset(&cmp_0, 0, sizeof(cmp_0));
memset(&cmp_1, 0, sizeof(cmp_1));
gen_test_sve_low_128(&cmp_0, vq, sve_vq_from_vl(setting[0].vl));
gen_test_sve_low_128(&cmp_1, vq, sve_vq_from_vl(setting[1].vl));
setting[0].compare = &cmp_0;
setting[1].compare = &cmp_1;
/* write SVE (default VL) */
gen_test_sve(&wr_buf, vq);
write_sve(&wr_buf, vq, fpscr);
read_sve(&rd_buf, vq, fpscr);
if (sve_compare(&wr_buf, &rd_buf, vq)) {
printf("Dirty SVE-register for default-VL, failed.\n");
goto out;
}
for (i = 0; i < ARRAY_SIZE(setting); i++) {
struct fpsimd_sve_state(sve_vq_from_vl(setting[i].vl)) work_buf;
unsigned int work_fpscr[2] = { 0, 0 };
if (set_and_compare_vl(setting[i].vl | setting[i].flags)) {
printf("SVE_SET_VL compare failed.\n");
goto out;
}
memset(&work_buf, 0, sizeof(work_buf));
read_sve(&work_buf, (sve_vq_from_vl(setting[i].vl)),
work_fpscr);
if (sve_compare(setting[i].compare, &work_buf,
sve_vq_from_vl(setting[i].vl))) {
printf("After SET_VL compare failed.\n");
goto out;
}
}
ret = 0;
out:
if (ret == 0) {
printf("RESULT: OK.\n");
} else {
printf("RESULT: NG.\n");
}
return ret;
}