From: Heinrich Schuchardt [mailto:xypron.glpk@gmx.de] Sent: Friday, August 21, 2020 1:44 AM To: Rick Jian-Zhi Chen(陳建志) Cc: Bin Meng; Pragnesh Patel; Lukas Auer; Atish Patra; u-boot@lists.denx.de; Heinrich Schuchardt; Bin Meng Subject: [PATCH v5 1/1] cmd: provide command sbi

Provide a command to display information about the SBI implementation.

The output might look like:

=> sbi SBI 0.2 OpenSBI Extensions: sbi_set_timer sbi_console_putchar sbi_console_getchar sbi_clear_ipi sbi_send_ipi sbi_remote_fence_i sbi_remote_sfence_vma sbi_remote_sfence_vma_asid sbi_shutdown SBI Base Functionality Timer Extension IPI Extension RFENCE Extension Hart State Management Extension

The command can be used to construct a unit test checking that the communication with the SEE is working.

Signed-off-by: Heinrich Schuchardt xypron.glpk@gmx.de Reviewed-by: Atish Patra atish.patra@wdc.com Reviewed-by: Bin Meng bin.meng@windriver.com Tested-by: Bin Meng bin.meng@windriver.com

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v5: The sbi command takes no arguments. Set maxargs=1. v4: only show command name 'sbi' as short description in Kconfig menu as suggested by Bin v3: add dependency on CONFIG_SBI_V02 use lower case for sbi in Kconfig v2: provide a non-blank long help text

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arch/riscv/include/asm/sbi.h | 2 + arch/riscv/lib/sbi.c | 36 ++++++++++++++++ cmd/Kconfig | 6 +++ cmd/riscv/Makefile | 1 + cmd/riscv/sbi.c | 82 ++++++++++++++++++++++++++++++++++++ 5 files changed, 127 insertions(+) create mode 100644 cmd/riscv/sbi.c

Reviewed-by: Rick Chen rick@andestech.com Tested-by: Rick Chen rick@andestech.com