7 files changed, 63 insertions, 48 deletions

diff --git a/arch/powerpc/kernel/crash_dump.c b/arch/powerpc/kernel/crash_dump.c
index 9ee3c5278db0..35b9a668b0e1 100644
--- a/arch/powerpc/kernel/crash_dump.c
+++ b/arch/powerpc/kernel/crash_dump.c
@@ -14,6 +14,7 @@
 #include <linux/crash_dump.h>
 #include <linux/bootmem.h>
 #include <linux/lmb.h>
+#include <asm/code-patching.h>
 #include <asm/kdump.h>
 #include <asm/prom.h>
 #include <asm/firmware.h>
diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile
index e522b06cc42f..e7f7042b9f61 100644
--- a/arch/powerpc/lib/Makefile
+++ b/arch/powerpc/lib/Makefile
@@ -24,3 +24,5 @@ obj-$(CONFIG_SMP)	+= locks.o
 endif
 
 obj-$(CONFIG_PPC_LIB_RHEAP) += rheap.o
+
+obj-y                   += code-patching.o
diff --git a/arch/powerpc/lib/code-patching.c b/arch/powerpc/lib/code-patching.c
new file mode 100644
index 000000000000..7afae88ed1d4
--- /dev/null
+++ b/arch/powerpc/lib/code-patching.c
@@ -0,0 +1,33 @@
+/*
+ *  Copyright 2008 Michael Ellerman, IBM Corporation.
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License
+ *  as published by the Free Software Foundation; either version
+ *  2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <asm/code-patching.h>
+
+
+void create_instruction(unsigned long addr, unsigned int instr)
+{
+        unsigned int *p;
+        p  = (unsigned int *)addr;
+        *p = instr;
+        asm ("dcbst 0, %0; sync; icbi 0,%0; sync; isync" : : "r" (p));
+}
+
+void create_branch(unsigned long addr, unsigned long target, int flags)
+{
+        unsigned int instruction;
+
+        if (! (flags & BRANCH_ABSOLUTE))
+                target = target - addr;
+
+        /* Mask out the flags and target, so they don't step on each other. */
+        instruction = 0x48000000 | (flags & 0x3) | (target & 0x03FFFFFC);
+
+        create_instruction(addr, instruction);
+}
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_smp.c b/arch/powerpc/platforms/86xx/mpc86xx_smp.c
index ba55b0ff0f74..63f55853cd69 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_smp.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_smp.c
@@ -15,6 +15,7 @@
 #include <linux/init.h>
 #include <linux/delay.h>
 
+#include <asm/code-patching.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/pci-bridge.h>
diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c
index cb2d894541c6..bf202f7eadf8 100644
--- a/arch/powerpc/platforms/powermac/smp.c
+++ b/arch/powerpc/platforms/powermac/smp.c
@@ -36,6 +36,7 @@
 
 #include <asm/ptrace.h>
 #include <asm/atomic.h>
+#include <asm/code-patching.h>
 #include <asm/irq.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
diff --git a/include/asm-powerpc/code-patching.h b/include/asm-powerpc/code-patching.h
new file mode 100644
index 000000000000..0b91fdf944db
--- /dev/null
+++ b/include/asm-powerpc/code-patching.h
@@ -0,0 +1,25 @@
+#ifndef _ASM_POWERPC_CODE_PATCHING_H
+#define _ASM_POWERPC_CODE_PATCHING_H
+
+/*
+ * Copyright 2008, Michael Ellerman, IBM Corporation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+/* Flags for create_branch:
+ * "b"   == create_branch(addr, target, 0);
+ * "ba"  == create_branch(addr, target, BRANCH_ABSOLUTE);
+ * "bl"  == create_branch(addr, target, BRANCH_SET_LINK);
+ * "bla" == create_branch(addr, target, BRANCH_ABSOLUTE | BRANCH_SET_LINK);
+ */
+#define BRANCH_SET_LINK 0x1
+#define BRANCH_ABSOLUTE 0x2
+
+extern void create_branch(unsigned long addr, unsigned long target, int flags);
+extern void create_instruction(unsigned long addr, unsigned int instr);
+
+#endif /* _ASM_POWERPC_CODE_PATCHING_H */
diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h
index 145b70f6d22b..2642a92b724f 100644
--- a/include/asm-powerpc/system.h
+++ b/include/asm-powerpc/system.h
@@ -526,54 +526,6 @@ extern void reloc_got2(unsigned long);
 
 #define PTRRELOC(x)     ((typeof(x)) add_reloc_offset((unsigned long)(x)))
 
-static inline void create_instruction(unsigned long addr, unsigned int instr)
-{
-        unsigned int *p;
-        p  = (unsigned int *)addr;
-        *p = instr;
-        asm ("dcbst 0, %0; sync; icbi 0,%0; sync; isync" : : "r" (p));
-}
-
-/* Flags for create_branch:
- * "b"   == create_branch(addr, target, 0);
- * "ba"  == create_branch(addr, target, BRANCH_ABSOLUTE);
- * "bl"  == create_branch(addr, target, BRANCH_SET_LINK);
- * "bla" == create_branch(addr, target, BRANCH_ABSOLUTE | BRANCH_SET_LINK);
- */
-#define BRANCH_SET_LINK 0x1
-#define BRANCH_ABSOLUTE 0x2
-
-static inline void create_branch(unsigned long addr,
-                unsigned long target, int flags)
-{
-        unsigned int instruction;
-
-        if (! (flags & BRANCH_ABSOLUTE))
-                target = target - addr;
-
-        /* Mask out the flags and target, so they don't step on each other. */
-        instruction = 0x48000000 | (flags & 0x3) | (target & 0x03FFFFFC);
-
-        create_instruction(addr, instruction);
-}
-
-static inline void create_function_call(unsigned long addr, void * func)
-{
-        unsigned long func_addr;
-
-#ifdef CONFIG_PPC64
-        /*
-         * On PPC64 the function pointer actually points to the function's
-         * descriptor. The first entry in the descriptor is the address
-         * of the function text.
-         */
-        func_addr = *(unsigned long *)func;
-#else
-        func_addr = (unsigned long)func;
-#endif
-        create_branch(addr, func_addr, BRANCH_SET_LINK);
-}
-
 #ifdef CONFIG_VIRT_CPU_ACCOUNTING
 extern void account_system_vtime(struct task_struct *);
 #endif