[Sound-open-firmware] [PATCH_V3 3/8] cpu: add file for getting cpu info

[Rander Wang]

Signed-off-by: Rander Wang <rander.wang at linux.intel.com>
---
 src/arch/xtensa/include/arch/cpu.h | 43 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 src/arch/xtensa/include/arch/cpu.h

diff --git a/src/arch/xtensa/include/arch/cpu.h b/src/arch/xtensa/include/arch/cpu.h
new file mode 100644
index 0000000..fecbb71
--- /dev/null
+++ b/src/arch/xtensa/include/arch/cpu.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2018, Intel Corporation
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *   * Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *   * Neither the name of the Intel Corporation nor the
+ *     names of its contributors may be used to endorse or promote products
+ *     derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Author: Rander Wang <rander.wang at linux.intel.com>
+ *
+ */
+
+#ifndef __INCLUDE_ARCH_CPU__
+#define __INCLUDE_ARCH_CPU__
+
+static inline int cpu_get_id(void)
+{
+	int prid;
+
+	__asm__("rsr.prid %0" : "=a"(prid));
+	return prid;
+}
+
+#endif
-- 
2.14.1