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由 Anup Patel 提交于
In RISC-V, the M-mode runtime firmware provide SBI calls for debug prints. This patch adds earlycon support using RISC-V SBI console calls. To enable it, just pass "earlycon=sbi" in kernel parameters. Signed-off-by: NAnup Patel <anup@brainfault.org> Acked-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: NPalmer Dabbelt <palmer@sifive.com> Signed-off-by: NPalmer Dabbelt <palmer@sifive.com>
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