[PATCH 0/6] RISC-V SBI debug console extension support

Anup Patel
2023-10-10T17:05:32Z

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(-)

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2.34.1