[PATCH 4/5] powerpc sstep: Let compute tests specify a required cpu feature
From: Jordan Niethe <hidden>
Date: 2020-05-25 03:07:40
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
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 <redacted> --- arch/powerpc/lib/test_emulate_step.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/arch/powerpc/lib/test_emulate_step.c b/arch/powerpc/lib/test_emulate_step.c
index 427c2ca8191e..579b5db80674 100644
--- a/arch/powerpc/lib/test_emulate_step.c
+++ b/arch/powerpc/lib/test_emulate_step.c@@ -690,6 +690,7 @@ static void __init run_tests_load_store(void) struct compute_test { char *mnemonic; + unsigned long cpu_feature; struct { char *descr; unsigned long flags;
@@ -1133,6 +1134,11 @@ 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;
--
2.17.1