testing/ostest/fpu.c: align FPU context
some architectures requires FPU context to be aligned,
for example x86-64 when used with XSAVE instruction must be aligned to 64
Signed-off-by: p-szafonimateusz <p-szafonimateusz@xiaomi.com>
diff --git a/testing/ostest/fpu.c b/testing/ostest/fpu.c
index 0caf173..41a201c 100644
--- a/testing/ostest/fpu.c
+++ b/testing/ostest/fpu.c
@@ -79,14 +79,20 @@
#define FPU_NTHREADS 2
+/* Some architectures require XCPTCONTEXT to be aligned */
+
+#ifndef XCPTCONTEXT_ALIGN
+# define XCPTCONTEXT_ALIGN 1
+#endif
+
/****************************************************************************
* Private Types
****************************************************************************/
struct fpu_threaddata_s
{
- uintptr_t save1[XCPTCONTEXT_REGS];
- uintptr_t save2[XCPTCONTEXT_REGS];
+ uintptr_t save1[XCPTCONTEXT_REGS] aligned_data(XCPTCONTEXT_ALIGN);
+ uintptr_t save2[XCPTCONTEXT_REGS] aligned_data(XCPTCONTEXT_ALIGN);
/* These are just dummy values to force the compiler to do the
* requested floating point computations without the nonsense
