From: Anup Patel <apatel@ventanamicro.com>
To: Atish Patra <atishp@rivosinc.com>
Cc: Andrew Jones <ajones@ventanamicro.com>,
Anup Patel <anup@brainfault.org>,
opensbi@lists.infradead.org, Anup Patel <apatel@ventanamicro.com>
Subject: [PATCH 0/5] OpenSBI hart protection abstraction
Date: Wed, 26 Nov 2025 19:48:39 +0530 [thread overview]
Message-ID: <20251126141845.248697-1-apatel@ventanamicro.com> (raw)
Currently, PMP and ePMP are the only hart protection mechanisms
available in OpenSBI but new protection mechanisms (such as Smmpt)
will be added in the near future. This series adds hart protection
abstraction and related APIs for allowing multiple hart protection
mechanisms.
These patches can also found in hart_protection_v1 branch at:
https://github.com/avpatel/opensbi.git
Anup Patel (5):
lib: sbi: Introduce sbi_hart_pmp_unconfigure() function
lib: sbi: Introduce hart protection abstraction
lib: sbi: Implement hart protection for PMP and ePMP
lib: sbi: Replace sbi_hart_pmp_xyz() and sbi_hart_map/unmap_addr()
lib: sbi: Factor-out PMP programming into separate sources
include/sbi/sbi_hart.h | 25 +--
include/sbi/sbi_hart_pmp.h | 20 ++
include/sbi/sbi_hart_protection.h | 88 ++++++++
lib/sbi/objects.mk | 2 +
lib/sbi/sbi_dbtr.c | 33 +--
lib/sbi/sbi_domain_context.c | 13 +-
lib/sbi/sbi_ecall_dbcn.c | 6 +-
lib/sbi/sbi_hart.c | 308 +-------------------------
lib/sbi/sbi_hart_pmp.c | 356 ++++++++++++++++++++++++++++++
lib/sbi/sbi_hart_protection.c | 110 +++++++++
lib/sbi/sbi_init.c | 22 +-
lib/sbi/sbi_mpxy.c | 25 ++-
lib/sbi/sbi_pmu.c | 5 +-
lib/sbi/sbi_sse.c | 9 +-
14 files changed, 648 insertions(+), 374 deletions(-)
create mode 100644 include/sbi/sbi_hart_pmp.h
create mode 100644 include/sbi/sbi_hart_protection.h
create mode 100644 lib/sbi/sbi_hart_pmp.c
create mode 100644 lib/sbi/sbi_hart_protection.c
--
2.43.0
--
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next reply other threads:[~2025-11-26 14:19 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-26 14:18 Anup Patel [this message]
2025-11-26 14:18 ` [PATCH 1/5] lib: sbi: Introduce sbi_hart_pmp_unconfigure() function Anup Patel
2025-11-26 14:18 ` [PATCH 2/5] lib: sbi: Introduce hart protection abstraction Anup Patel
2025-12-07 11:10 ` Samuel Holland
2025-12-07 15:58 ` Anup Patel
2025-12-09 7:04 ` Samuel Holland
2025-12-09 8:30 ` Anup Patel
2025-11-26 14:18 ` [PATCH 3/5] lib: sbi: Implement hart protection for PMP and ePMP Anup Patel
2025-12-07 11:12 ` Samuel Holland
2025-12-09 12:55 ` Anup Patel
2025-11-26 14:18 ` [PATCH 4/5] lib: sbi: Replace sbi_hart_pmp_xyz() and sbi_hart_map/unmap_addr() Anup Patel
2025-11-26 14:18 ` [PATCH 5/5] lib: sbi: Factor-out PMP programming into separate sources Anup Patel
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