sh: oprofile: Refactor common setup code for multiple driver support.
This re-implements the old op_model_null code in to something more
generic, where multiple drivers, backtrace, etc. can all be interfaced.
Based largely on arch/mips/oprofile/common.c.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/oprofile/op_impl.h b/arch/sh/oprofile/op_impl.h
new file mode 100644
index 0000000..4d50997
--- /dev/null
+++ b/arch/sh/oprofile/op_impl.h
@@ -0,0 +1,33 @@
+#ifndef __OP_IMPL_H
+#define __OP_IMPL_H
+
+/* Per-counter configuration as set via oprofilefs. */
+struct op_counter_config {
+ unsigned long enabled;
+ unsigned long event;
+
+ unsigned long long count;
+
+ /* Dummy values for userspace tool compliance */
+ unsigned long kernel;
+ unsigned long user;
+ unsigned long unit_mask;
+};
+
+/* Per-architecture configury and hooks. */
+struct op_sh_model {
+ void (*reg_setup)(struct op_counter_config *);
+ int (*create_files)(struct super_block *sb, struct dentry *dir);
+ void (*cpu_setup)(void *dummy);
+ int (*init)(void);
+ void (*exit)(void);
+ void (*cpu_start)(void *args);
+ void (*cpu_stop)(void *args);
+ char *cpu_type;
+ unsigned char num_counters;
+};
+
+/* arch/sh/oprofile/common.c */
+extern void sh_backtrace(struct pt_regs * const regs, unsigned int depth);
+
+#endif /* __OP_IMPL_H */