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-rw-r--r--cpukit/score/cpu/microblaze/microblaze-context-volatile-clobber.S28
1 files changed, 28 insertions, 0 deletions
diff --git a/cpukit/score/cpu/microblaze/microblaze-context-volatile-clobber.S b/cpukit/score/cpu/microblaze/microblaze-context-volatile-clobber.S
new file mode 100644
index 0000000000..fb49dc5e40
--- /dev/null
+++ b/cpukit/score/cpu/microblaze/microblaze-context-volatile-clobber.S
@@ -0,0 +1,28 @@
+#ifdef HAVE_CONFIG_H
+ #include "config.h"
+#endif
+
+#include <rtems/asm.h>
+
+.text
+.align 4
+
+PUBLIC(_CPU_Context_volatile_clobber)
+
+SYM(_CPU_Context_volatile_clobber):
+
+.macro clobber_register reg
+ addi r5, r5, -1
+ add \reg, r0, r5
+.endm
+
+ clobber_register r3
+ clobber_register r4
+ clobber_register r6
+ clobber_register r7
+ clobber_register r8
+ clobber_register r9
+ clobber_register r10
+
+ rtsd r15, 8
+ nop