init android origin source code

1 files changed, 35 insertions, 0 deletions

diff --git a/ANDROID_3.4.5/arch/sparc/include/asm/jump_label.h b/ANDROID_3.4.5/arch/sparc/include/asm/jump_label.h
new file mode 100644
index 00000000..5080d16a
--- /dev/null
+++ b/ANDROID_3.4.5/arch/sparc/include/asm/jump_label.h
@@ -0,0 +1,35 @@
+#ifndef _ASM_SPARC_JUMP_LABEL_H
+#define _ASM_SPARC_JUMP_LABEL_H
+
+#ifdef __KERNEL__
+
+#include <linux/types.h>
+
+#define JUMP_LABEL_NOP_SIZE 4
+
+static __always_inline bool arch_static_branch(struct static_key *key)
+{
+		asm 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;
+}
+
+#endif /* __KERNEL__ */
+
+typedef u32 jump_label_t;
+
+struct jump_entry {
+	jump_label_t code;
+	jump_label_t target;
+	jump_label_t key;
+};
+
+#endif