CVS commit: src/sys/arch/riscv

["Nick Hudson" <skrll%netbsd.org@localhost>]

Module Name:    src
Committed By:   skrll
Date:           Tue Sep 27 08:18:21 UTC 2022

Modified Files:
        src/sys/arch/riscv/conf: GENERIC files.riscv
        src/sys/arch/riscv/include: db_machdep.h
        src/sys/arch/riscv/riscv: db_machdep.c db_trace.c locore.S trap.c
Added Files:
        src/sys/arch/riscv/riscv: db_interface.c

Log Message:
Basic ddb and backtrace support.

[   1.0000000] panic: kernel diagnostic assertion "msgbufaddr != 0" failed: file "/home/nick/netbsd/nbcvs/src/sys/arch/riscv/riscv/riscv_machdep.c", line 564
[   1.0000000] cpu0: Begin traceback...
[   1.0000000] trace fp ffffffc000801dd0
[   1.0000000] fp ffffffc000801e10 ?() at ffffffc0001eee98
[   1.0000000] fp ffffffc000801e30 ?() at ffffffc0002ad984
[   1.0000000] fp ffffffc000801ee0 ?() at ffffffc000005430
[   1.0000000] cpu0: End traceback...
[   1.0000000] Trapframe @ 0xffffffc000801cb0 (cause=3 (breakpoint), status=0x100, pc=0xffffffc0000007e4, va=0):
[   1.0000000] ra =0xffffffc0001eee9c, sp =0xffffffc000801dd0, gp =0xffffffc0006a8f40, tp =                 0
[   1.0000000] s0 =0xffffffc000600ac0, s1 =            0x1000, s2 =0xffffffc000438df0, s3 =0xffffffc000801d80
[   1.0000000] s4 =0xffffffc0001eed78, s5 =0xffffffc0006d55f8, s6 =0xffffffc000801d88, s7 =0xffffffc0006dfdb8
[   1.0000000] s8 =0xffffffc000428c18, s9 =0xffffffc000801dd0, s10=0xffffffc0000a3822, s11=0xffffffc0006d55f8
[   1.0000000] a0 =              0x17, a1 =               0xa, a2 =                 0, a3 =0xffffffc00041f658
[   1.0000000] a4 =                 0, a5 =               0x1, a5 =                 0, a7 =               0x1
[   1.0000000] t0 =0xffffffc0006dfe30, t1 =0xffffffc000801bb8, t2 =0xffffffc000803000, t3 =              0x75
[   1.0000000] t4 =                 0, t5 =              0x63, t6 =               0x1
[   1.0000000] kernel: breakpoint
Stopped in pid 0.0 (system) at  ffffffc0000007e4:       c.ebreak
db>


To generate a diff of this commit:
cvs rdiff -u -r1.14 -r1.15 src/sys/arch/riscv/conf/GENERIC
cvs rdiff -u -r1.9 -r1.10 src/sys/arch/riscv/conf/files.riscv
cvs rdiff -u -r1.5 -r1.6 src/sys/arch/riscv/include/db_machdep.h
cvs rdiff -u -r0 -r1.1 src/sys/arch/riscv/riscv/db_interface.c
cvs rdiff -u -r1.8 -r1.9 src/sys/arch/riscv/riscv/db_machdep.c
cvs rdiff -u -r1.2 -r1.3 src/sys/arch/riscv/riscv/db_trace.c
cvs rdiff -u -r1.25 -r1.26 src/sys/arch/riscv/riscv/locore.S
cvs rdiff -u -r1.17 -r1.18 src/sys/arch/riscv/riscv/trap.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.