RISC-V: KVM: Support 64 bit firmware counters on RV32
The SBI v2.0 introduced a fw_read_hi function to read 64 bit firmware counters for RV32 based systems. Add infrastructure to support that. Reviewed-by:Andrew Jones <ajones@ventanamicro.com> Reviewed-by:
Anup Patel <anup@brainfault.org> Signed-off-by:
Atish Patra <atishp@rivosinc.com> Link: https://lore.kernel.org/r/20240420151741.962500-16-atishp@rivosinc.com Signed-off-by:
Anup Patel <anup@brainfault.org>
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