From fc00c656c96528112d05cf0edf8631bd5eaea446 Mon Sep 17 00:00:00 2001 From: Kacper Date: Sun, 7 Dec 2025 20:10:31 +0100 Subject: Add build system scaffolding and libc headers --- include/arch/x86_64/linux/coresight-stm.h | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 include/arch/x86_64/linux/coresight-stm.h (limited to 'include/arch/x86_64/linux/coresight-stm.h') diff --git a/include/arch/x86_64/linux/coresight-stm.h b/include/arch/x86_64/linux/coresight-stm.h new file mode 100644 index 00000000..78eec91b --- /dev/null +++ b/include/arch/x86_64/linux/coresight-stm.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef __UAPI_CORESIGHT_STM_H_ +#define __UAPI_CORESIGHT_STM_H_ + +#include + +#define STM_FLAG_TIMESTAMPED _BITUL(3) +#define STM_FLAG_MARKED _BITUL(4) +#define STM_FLAG_GUARANTEED _BITUL(7) + +/* + * The CoreSight STM supports guaranteed and invariant timing + * transactions. Guaranteed transactions are guaranteed to be + * traced, this might involve stalling the bus or system to + * ensure the transaction is accepted by the STM. While invariant + * timing transactions are not guaranteed to be traced, they + * will take an invariant amount of time regardless of the + * state of the STM. + */ +enum { + STM_OPTION_GUARANTEED = 0, + STM_OPTION_INVARIANT, +}; + +#endif -- cgit v1.2.3