summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/kernel/jump_label.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--arch/powerpc/kernel/jump_label.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/jump_label.c b/arch/powerpc/kernel/jump_label.c
new file mode 100644
index 000000000..5277cf582
--- /dev/null
+++ b/arch/powerpc/kernel/jump_label.c
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright 2010 Michael Ellerman, IBM Corp.
+ */
+
+#include <linux/kernel.h>
+#include <linux/jump_label.h>
+#include <asm/code-patching.h>
+#include <asm/inst.h>
+
+void arch_jump_label_transform(struct jump_entry *entry,
+ enum jump_label_type type)
+{
+ u32 *addr = (u32 *)jump_entry_code(entry);
+
+ if (type == JUMP_LABEL_JMP)
+ patch_branch(addr, jump_entry_target(entry), 0);
+ else
+ patch_instruction(addr, ppc_inst(PPC_RAW_NOP()));
+}