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5053774c2f21029089a58ccadf21b5b3cb16c56e
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3 Commits
Author SHA1 Message Date
Anup Patel 5053774c2f lib: sbi: Add domain parameter to hart protection (un)configure() 
The switch_to_next_domain_context() already has the pointers to current
and next domains so pass them as parameters to hart protection configure()
and unconfigure() callbacks.

Signed-off-by: Anup Patel <anup.patel@oss.qualcomm.com>
Reviewed-by: Rahul Pathak <rahul.pathak@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260727042504.1743250-4-anup.patel@oss.qualcomm.com
Signed-off-by: Anup Patel <anup@brainfault.org>
 2026-08-02 15:17:12 +05:30
Anup Patel 48725e95b4 lib: sbi: Introduce sbi_hart_protection_reconfigure() function 
Instead of assuming that hart protection reconfiguration is unconfigure
followed by configure, introduce a separate sbi_hart_protection_reconfigure()
function and use it in switch_to_next_domain_context().

Signed-off-by: Anup Patel <anup.patel@oss.qualcomm.com>
Reviewed-by: Rahul Pathak <rahul.pathak@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260727042504.1743250-3-anup.patel@oss.qualcomm.com
Signed-off-by: Anup Patel <anup@brainfault.org>
 2026-08-02 15:17:12 +05:30
Anup Patel 809df05c35 lib: sbi: Introduce hart protection abstraction 
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>
 2025-12-16 20:16:47 +05:30