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path: root/arch/riscv/lib/rdtime.c
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2018-12-18riscv: Implement riscv_get_time() API using rdtime instructionAnup Patel
This adds an implementation of riscv_get_time() API that is using rdtime instruction. This is the case for S-mode U-Boot, and is useful for processors that support rdtime in M-mode too. Signed-off-by: Anup Patel <anup@brainfault.org> Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>