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-rw-r--r--tools/testing/selftests/x86/Makefile3
-rw-r--r--tools/testing/selftests/x86/apx.c10
-rw-r--r--tools/testing/selftests/x86/xstate.c3
-rw-r--r--tools/testing/selftests/x86/xstate.h2
4 files changed, 16 insertions, 2 deletions
diff --git a/tools/testing/selftests/x86/Makefile b/tools/testing/selftests/x86/Makefile
index 28422c32cc8f..f703fcfe9f7c 100644
--- a/tools/testing/selftests/x86/Makefile
+++ b/tools/testing/selftests/x86/Makefile
@@ -19,7 +19,7 @@ TARGETS_C_32BIT_ONLY := entry_from_vm86 test_syscall_vdso unwind_vdso \
test_FCMOV test_FCOMI test_FISTTP \
vdso_restorer
TARGETS_C_64BIT_ONLY := fsgsbase sysret_rip syscall_numbering \
- corrupt_xstate_header amx lam test_shadow_stack avx
+ corrupt_xstate_header amx lam test_shadow_stack avx apx
# Some selftests require 32bit support enabled also on 64bit systems
TARGETS_C_32BIT_NEEDED := ldt_gdt ptrace_syscall
@@ -136,3 +136,4 @@ $(OUTPUT)/nx_stack_64: CFLAGS += -Wl,-z,noexecstack
$(OUTPUT)/avx_64: CFLAGS += -mno-avx -mno-avx512f
$(OUTPUT)/amx_64: EXTRA_FILES += xstate.c
$(OUTPUT)/avx_64: EXTRA_FILES += xstate.c
+$(OUTPUT)/apx_64: EXTRA_FILES += xstate.c
diff --git a/tools/testing/selftests/x86/apx.c b/tools/testing/selftests/x86/apx.c
new file mode 100644
index 000000000000..d9c8d41b8c5a
--- /dev/null
+++ b/tools/testing/selftests/x86/apx.c
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#define _GNU_SOURCE
+
+#include "xstate.h"
+
+int main(void)
+{
+ test_xstate(XFEATURE_APX);
+}
diff --git a/tools/testing/selftests/x86/xstate.c b/tools/testing/selftests/x86/xstate.c
index 23c1d6c964ea..97fe4bd8bc77 100644
--- a/tools/testing/selftests/x86/xstate.c
+++ b/tools/testing/selftests/x86/xstate.c
@@ -31,7 +31,8 @@
(1 << XFEATURE_OPMASK) | \
(1 << XFEATURE_ZMM_Hi256) | \
(1 << XFEATURE_Hi16_ZMM) | \
- (1 << XFEATURE_XTILEDATA))
+ (1 << XFEATURE_XTILEDATA) | \
+ (1 << XFEATURE_APX))
static inline uint64_t xgetbv(uint32_t index)
{
diff --git a/tools/testing/selftests/x86/xstate.h b/tools/testing/selftests/x86/xstate.h
index 42af36ec852f..e91e3092b5d2 100644
--- a/tools/testing/selftests/x86/xstate.h
+++ b/tools/testing/selftests/x86/xstate.h
@@ -33,6 +33,7 @@ enum xfeature {
XFEATURE_RSRVD_COMP_16,
XFEATURE_XTILECFG,
XFEATURE_XTILEDATA,
+ XFEATURE_APX,
XFEATURE_MAX,
};
@@ -59,6 +60,7 @@ static const char *xfeature_names[] =
"unknown xstate feature",
"AMX Tile config",
"AMX Tile data",
+ "APX registers",
"unknown xstate feature",
};