RISC-V: Add FIRMWARE_READ_HI definition

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SBI v2.0 added another function to SBI PMU extension to read
the upper bits of a counter with width larger than XLEN.

Add the definition for that function.

Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Clément Léger <cleger@rivosinc.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Link: https://lore.kernel.org/r/20240420151741.962500-3-atishp@rivosinc.com
Signed-off-by: Anup Patel <anup@brainfault.org>

...

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Atish Patra 2024-04-20 08:17:18 -07:00 • committed by Anup Patel

parent d1927f64e0

commit 5d4acb7f2e

1 changed files with 1 additions and 0 deletions

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arch/riscv/include/asm/sbi.h

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