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Diffstat (limited to 'kernel/arch/sparc/include/asm/jump_label.h')
-rw-r--r--kernel/arch/sparc/include/asm/jump_label.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/kernel/arch/sparc/include/asm/jump_label.h b/kernel/arch/sparc/include/asm/jump_label.h
new file mode 100644
index 000000000..cc9b04a2b
--- /dev/null
+++ b/kernel/arch/sparc/include/asm/jump_label.h
@@ -0,0 +1,34 @@
+#ifndef _ASM_SPARC_JUMP_LABEL_H
+#define _ASM_SPARC_JUMP_LABEL_H
+
+#ifndef __ASSEMBLY__
+
+#include <linux/types.h>
+
+#define JUMP_LABEL_NOP_SIZE 4
+
+static __always_inline bool arch_static_branch(struct static_key *key)
+{
+ asm_volatile_goto("1:\n\t"
+ "nop\n\t"
+ "nop\n\t"
+ ".pushsection __jump_table, \"aw\"\n\t"
+ ".align 4\n\t"
+ ".word 1b, %l[l_yes], %c0\n\t"
+ ".popsection \n\t"
+ : : "i" (key) : : l_yes);
+ return false;
+l_yes:
+ return true;
+}
+
+typedef u32 jump_label_t;
+
+struct jump_entry {
+ jump_label_t code;
+ jump_label_t target;
+ jump_label_t key;
+};
+
+#endif /* __ASSEMBLY__ */
+#endif