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powerpc/sstep: Let compute tests specify a required cpu feature 

An a array of struct compute_test's are used to declare tests for
compute instructions. Add a cpu_feature field to struct compute_test as
an optional way to specify a cpu feature that must be present. If not
present then skip the test.

Signed-off-by: Jordan Niethe <jniethe5@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200525025923.19843-4-jniethe5@gmail.com
This commit is contained in:
Jordan Niethe 2020-05-25 12:59:22 +10:00 committed by Michael Ellerman
parent 1c89cf7fbe
commit 301ebf7d69
1 changed files with 6 additions and 0 deletions
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6
arch/powerpc/lib/test_emulate_step.c
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@ -625,6 +625,7 @@ static void __init run_tests_load_store(void)
struct compute_test {
char *mnemonic;
unsigned long cpu_feature;
struct {
char *descr;
unsigned long flags;
@ -1068,6 +1069,11 @@ static void __init run_tests_compute(void)
for (i = 0; i < ARRAY_SIZE(compute_tests); i++) {
test = &compute_tests[i];
if (test->cpu_feature && !early_cpu_has_feature(test->cpu_feature)) {
show_result(test->mnemonic, "SKIP (!CPU_FTR)");
continue;
}
for (j = 0; j < MAX_SUBTESTS && test->subtests[j].descr; j++) {
instr = test->subtests[j].instr;
flags = test->subtests[j].flags;