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opensbi/lib
Atish Patra a26dc609df lib: sbi: Disable interrupt and inhibit counting in M-mode during init
Currently, the mhpmevent CSRs are untouched during hart init during
cold/warm boot. Ideally, we should clear out all the bits except
overflow and MINH bit. That is required to disable overflow
interrupt and inhibit counting in M-mode to avoid any spurious
interrupts before perf start.

Signed-off-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
2022-02-04 10:10:28 +05:30
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