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| author | Dimitris Papastamos <dimitris.papastamos@arm.com> | 2017-10-12 13:02:29 +0100 |
|---|---|---|
| committer | Dimitris Papastamos <dimitris.papastamos@arm.com> | 2017-11-29 09:36:05 +0000 |
| commit | 380559c1c3ac80c0d2581a931c80323d1fefbfd6 (patch) | |
| tree | eb27f37429a9448416c1a5185d88e1b43fd40adb /include/lib/extensions/amu.h | |
| parent | 3a6a9adc55fb75b730d376e226752227d2c5f7a6 (diff) | |
| download | platform_external_arm-trusted-firmware-380559c1c3ac80c0d2581a931c80323d1fefbfd6.tar.gz platform_external_arm-trusted-firmware-380559c1c3ac80c0d2581a931c80323d1fefbfd6.tar.bz2 platform_external_arm-trusted-firmware-380559c1c3ac80c0d2581a931c80323d1fefbfd6.zip | |
AMU: Implement support for aarch64
The `ENABLE_AMU` build option can be used to enable the
architecturally defined AMU counters. At present, there is no support
for the auxiliary counter group.
Change-Id: I7ea0c0a00327f463199d1b0a481f01dadb09d312
Signed-off-by: Dimitris Papastamos <dimitris.papastamos@arm.com>
Diffstat (limited to 'include/lib/extensions/amu.h')
| -rw-r--r-- | include/lib/extensions/amu.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/lib/extensions/amu.h b/include/lib/extensions/amu.h new file mode 100644 index 000000000..bbefe8ff6 --- /dev/null +++ b/include/lib/extensions/amu.h @@ -0,0 +1,15 @@ +/* + * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef __AMU_H__ +#define __AMU_H__ + +/* Enable all group 0 counters */ +#define AMU_GROUP0_COUNTERS_MASK 0xf + +void amu_enable(int el2_unused); + +#endif /* __AMU_H__ */ |