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SubjectRe: [PATCH v6] riscv: add userland instruction dump to RISC-V splats
Date
Yunhui Cui <cuiyunhui@bytedance.com> writes:

> Add userland instruction dump and rename dump_kernel_instr()
> to dump_instr().
>
> An example:
> [ 0.822439] Freeing unused kernel image (initmem) memory: 6916K
> [ 0.823817] Run /init as init process
> [ 0.839411] init[1]: unhandled signal 4 code 0x1 at 0x000000000005be18 in bb[10000+5fb000]
> [ 0.840751] CPU: 0 PID: 1 Comm: init Not tainted 5.14.0-rc4-00049-gbd644290aa72-dirty #187
> [ 0.841373] Hardware name: , BIOS
> [ 0.841743] epc : 000000000005be18 ra : 0000000000079e74 sp : 0000003fffcafda0
> [ 0.842271] gp : ffffffff816e9dc8 tp : 0000000000000000 t0 : 0000000000000000
> [ 0.842947] t1 : 0000003fffc9fdf0 t2 : 0000000000000000 s0 : 0000000000000000
> [ 0.843434] s1 : 0000000000000000 a0 : 0000003fffca0190 a1 : 0000003fffcafe18
> [ 0.843891] a2 : 0000000000000000 a3 : 0000000000000000 a4 : 0000000000000000
> [ 0.844357] a5 : 0000000000000000 a6 : 0000000000000000 a7 : 0000000000000000
> [ 0.844803] s2 : 0000000000000000 s3 : 0000000000000000 s4 : 0000000000000000
> [ 0.845253] s5 : 0000000000000000 s6 : 0000000000000000 s7 : 0000000000000000
> [ 0.845722] s8 : 0000000000000000 s9 : 0000000000000000 s10: 0000000000000000
> [ 0.846180] s11: 0000000000d144e0 t3 : 0000000000000000 t4 : 0000000000000000
> [ 0.846616] t5 : 0000000000000000 t6 : 0000000000000000
> [ 0.847204] status: 0000000200000020 badaddr: 00000000f0028053 cause: 0000000000000002
> [ 0.848219] Code: f06f ff5f 3823 fa11 0113 fb01 2e23 0201 0293 0000 (8053) f002
> [ 0.851016] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000004
>
> Signed-off-by: Yunhui Cui <cuiyunhui@bytedance.com>

Reviewed-by: Björn Töpel <bjorn@rivosinc.com>

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