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Author SHA1 Message Date
Evgeny VoevodinandAnup Patel b63606f981 lib: sbi: Add Smrnmi extension macros for registers and bits 
Add CSR definitions (MNSCRATCH, MNSTATUS, MNEPC, MNCAUSE) and bit definitions
(MNSTATUS_NMIE, MNSTATUS_MNPV, MNSTATUS_MNPP). Also add SBI_HART_EXT_SMRNMI to
the hart extension enumeration.

Signed-off-by: Evgeny Voevodin <evvoevod@tenstorrent.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/1c6feb6d359b9827b3c2ad8f4f0e0a4dfd1de911.1778176768.git.evvoevod@tenstorrent.com
Signed-off-by: Anup Patel <anup@brainfault.org>
 2026-05-09 12:59:43 +05:30
Evgeny VoevodinandAnup Patel 5d248a0132 include: sbi_scratch: Add tmp1 scratch space for RNMI context saving 
RNMI handlers use MNSCRATCH instead of MSCRATCH and need separate scratch
space from regular trap handling. Add tmp1 for RNMI context while tmp0
remains for regular traps.

Signed-off-by: Evgeny Voevodin <evvoevod@tenstorrent.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/0a5d241fa1db03e71a3f56be24708cbbc8037e28.1778176768.git.evvoevod@tenstorrent.com
Signed-off-by: Anup Patel <anup@brainfault.org>
 2026-05-09 12:59:43 +05:30