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authorMaxime Ripard <maxime@cerno.tech>2020-08-18 14:14:25 +0200
committerMaxime Ripard <maxime@cerno.tech>2020-08-18 14:14:25 +0200
commitd85ddd1318e66c0c2665dbfcbc21a8b66c9152aa (patch)
treee49e401abd2468b398d4bc84c7e05c2c2c3b0966 /tools/perf/arch/powerpc/util/utils_header.h
parentMAINTAINERS: Change maintainer for hisilicon DRM driver (diff)
parentLinux 5.9-rc1 (diff)
downloadlinux-dev-d85ddd1318e66c0c2665dbfcbc21a8b66c9152aa.tar.xz
linux-dev-d85ddd1318e66c0c2665dbfcbc21a8b66c9152aa.zip
Merge v5.9-rc1 into drm-misc-next
Sam needs 5.9-rc1 to have dev_err_probe in to merge some patches. Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'tools/perf/arch/powerpc/util/utils_header.h')
-rw-r--r--tools/perf/arch/powerpc/util/utils_header.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/tools/perf/arch/powerpc/util/utils_header.h b/tools/perf/arch/powerpc/util/utils_header.h
new file mode 100644
index 000000000000..5788eb1f1fe3
--- /dev/null
+++ b/tools/perf/arch/powerpc/util/utils_header.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __PERF_UTIL_HEADER_H
+#define __PERF_UTIL_HEADER_H
+
+#include <linux/stringify.h>
+
+#define mfspr(rn) ({unsigned long rval; \
+ asm volatile("mfspr %0," __stringify(rn) \
+ : "=r" (rval)); rval; })
+
+#define SPRN_PVR 0x11F /* Processor Version Register */
+#define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF) /* Version field */
+#define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revison field */
+
+#endif /* __PERF_UTIL_HEADER_H */