This series adds support for SBI debug console extension in KVM RISC-V and Linux RISC-V. To try these patches with KVM RISC-V, use KVMTOOL from riscv_sbi_dbcn_v1 branch at: https://github.com/avpatel/kvmtool.git These patches can also be found in the riscv_sbi_dbcn_v1 branch at: https://github.com/avpatel/linux.git Anup Patel (5): RISC-V: Add defines for SBI debug console extension RISC-V: KVM: Change the SBI specification version to v2.0 RISC-V: KVM: Forward SBI DBCN extension to user-space tty/serial: Add RISC-V SBI debug console based earlycon RISC-V: Enable SBI based earlycon support Atish Patra (1): tty: Add SBI debug console support to HVC SBI driver arch/riscv/configs/defconfig | 1 + arch/riscv/configs/rv32_defconfig | 1 + arch/riscv/include/asm/kvm_vcpu_sbi.h | 3 +- arch/riscv/include/asm/sbi.h | 7 +++ arch/riscv/include/uapi/asm/kvm.h | 1 + arch/riscv/kvm/vcpu_sbi.c | 4 ++ arch/riscv/kvm/vcpu_sbi_replace.c | 31 ++++++++++ drivers/tty/hvc/Kconfig | 2 +- drivers/tty/hvc/hvc_riscv_sbi.c | 80 ++++++++++++++++++++++--- drivers/tty/serial/Kconfig | 2 +- drivers/tty/serial/earlycon-riscv-sbi.c | 35 +++++++++-- 11 files changed, 153 insertions(+), 14 deletions(-) -- 2.34.1
