ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/arch/powerpc/oprofile/cell/pr_util.h b/marvell/linux/arch/powerpc/oprofile/cell/pr_util.h
new file mode 100644
index 0000000..e198efa
--- /dev/null
+++ b/marvell/linux/arch/powerpc/oprofile/cell/pr_util.h
@@ -0,0 +1,110 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+ /*
+ * Cell Broadband Engine OProfile Support
+ *
+ * (C) Copyright IBM Corporation 2006
+ *
+ * Author: Maynard Johnson <maynardj@us.ibm.com>
+ */
+
+#ifndef PR_UTIL_H
+#define PR_UTIL_H
+
+#include <linux/cpumask.h>
+#include <linux/oprofile.h>
+#include <asm/cell-pmu.h>
+#include <asm/cell-regs.h>
+#include <asm/spu.h>
+
+/* Defines used for sync_start */
+#define SKIP_GENERIC_SYNC 0
+#define SYNC_START_ERROR -1
+#define DO_GENERIC_SYNC 1
+#define SPUS_PER_NODE 8
+#define DEFAULT_TIMER_EXPIRE (HZ / 10)
+
+extern struct delayed_work spu_work;
+extern int spu_prof_running;
+
+#define TRACE_ARRAY_SIZE 1024
+
+extern spinlock_t oprof_spu_smpl_arry_lck;
+
+struct spu_overlay_info { /* map of sections within an SPU overlay */
+ unsigned int vma; /* SPU virtual memory address from elf */
+ unsigned int size; /* size of section from elf */
+ unsigned int offset; /* offset of section into elf file */
+ unsigned int buf;
+};
+
+struct vma_to_fileoffset_map { /* map of sections within an SPU program */
+ struct vma_to_fileoffset_map *next; /* list pointer */
+ unsigned int vma; /* SPU virtual memory address from elf */
+ unsigned int size; /* size of section from elf */
+ unsigned int offset; /* offset of section into elf file */
+ unsigned int guard_ptr;
+ unsigned int guard_val;
+ /*
+ * The guard pointer is an entry in the _ovly_buf_table,
+ * computed using ovly.buf as the index into the table. Since
+ * ovly.buf values begin at '1' to reference the first (or 0th)
+ * entry in the _ovly_buf_table, the computation subtracts 1
+ * from ovly.buf.
+ * The guard value is stored in the _ovly_buf_table entry and
+ * is an index (starting at 1) back to the _ovly_table entry
+ * that is pointing at this _ovly_buf_table entry. So, for
+ * example, for an overlay scenario with one overlay segment
+ * and two overlay sections:
+ * - Section 1 points to the first entry of the
+ * _ovly_buf_table, which contains a guard value
+ * of '1', referencing the first (index=0) entry of
+ * _ovly_table.
+ * - Section 2 points to the second entry of the
+ * _ovly_buf_table, which contains a guard value
+ * of '2', referencing the second (index=1) entry of
+ * _ovly_table.
+ */
+
+};
+
+struct spu_buffer {
+ int last_guard_val;
+ int ctx_sw_seen;
+ unsigned long *buff;
+ unsigned int head, tail;
+};
+
+
+/* The three functions below are for maintaining and accessing
+ * the vma-to-fileoffset map.
+ */
+struct vma_to_fileoffset_map *create_vma_map(const struct spu *spu,
+ unsigned long objectid);
+unsigned int vma_map_lookup(struct vma_to_fileoffset_map *map,
+ unsigned int vma, const struct spu *aSpu,
+ int *grd_val);
+void vma_map_free(struct vma_to_fileoffset_map *map);
+
+/*
+ * Entry point for SPU profiling.
+ * cycles_reset is the SPU_CYCLES count value specified by the user.
+ */
+int start_spu_profiling_cycles(unsigned int cycles_reset);
+void start_spu_profiling_events(void);
+
+void stop_spu_profiling_cycles(void);
+void stop_spu_profiling_events(void);
+
+/* add the necessary profiling hooks */
+int spu_sync_start(void);
+
+/* remove the hooks */
+int spu_sync_stop(void);
+
+/* Record SPU program counter samples to the oprofile event buffer. */
+void spu_sync_buffer(int spu_num, unsigned int *samples,
+ int num_samples);
+
+void set_spu_profiling_frequency(unsigned int freq_khz, unsigned int cycles_reset);
+
+#endif /* PR_UTIL_H */