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lib: sbi: Introduce hart protection abstraction

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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.

To allow multiple hart protection mechanisms, introduce hart
protection abstraction and related APIs.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Link: https://lore.kernel.org/r/20251209135235.423391-3-apatel@ventanamicro.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Anup Patel
2025-12-09 19:22:32 +05:30
committed by Anup Patel
parent 644a344226
commit 809df05c35
4 changed files with 202 additions and 0 deletions
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lib/sbi/objects.mk
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@@ -75,6 +75,7 @@ libsbi-objs-y += sbi_emulate_csr.o
libsbi-objs-y += sbi_fifo.o
libsbi-objs-y += sbi_fwft.o
libsbi-objs-y += sbi_hart.o
libsbi-objs-y += sbi_hart_protection.o
libsbi-objs-y += sbi_heap.o
libsbi-objs-y += sbi_math.o
libsbi-objs-y += sbi_hfence.o