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lib: sbi_timer: Add support for timer events

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Currently, the sbi_timer only supports timer events configured via
SBI calls. Introduce struct sbi_timer_event and related functions
to allow configuring timer events from any part of OpenSBI.

Signed-off-by: Anup Patel <anup.patel@oss.qualcomm.com>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Link: https://lore.kernel.org/r/20260425104048.2335262-4-anup.patel@oss.qualcomm.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Anup Patel
2026-04-25 16:10:47 +05:30
committed by Anup Patel
parent 357fae4820
commit b7fa8a246c
4 changed files with 248 additions and 23 deletions
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lib/sbi/sbi_ecall_time.c
+2 -2
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@@ -22,9 +22,9 @@ static int sbi_ecall_time_handler(unsigned long extid, unsigned long funcid,
if (funcid == SBI_EXT_TIME_SET_TIMER) {
#if __riscv_xlen == 32
sbi_timer_event_start((((u64)regs->a1 << 32) | (u64)regs->a0));
sbi_timer_smode_event_start((((u64)regs->a1 << 32) | (u64)regs->a0));
#else
sbi_timer_event_start((u64)regs->a0);
sbi_timer_smode_event_start((u64)regs->a0);
#endif
} else
ret = SBI_ENOTSUPP;