Re: [PATCH v2] riscv: Add option to print registers on exception

On Wed, Dec 25, 2019 at 1:27 PM Sean Anderson seanga2@gmail.com wrote:

When debugging, it can be helpful to see more information about an unhandled exception. This patch adds an option to view the registers at the time of the trap, similar to the linux output on a kernel panic.

Signed-off-by: Sean Anderson seanga2@gmail.com

Changes for v2:

• Renamed "PC" to "EPC"

arch/riscv/Kconfig | 3 +++ arch/riscv/cpu/mtrap.S | 3 ++- arch/riscv/lib/interrupts.c | 50 +++++++++++++++++++++++++++++-------- 3 files changed, 44 insertions(+), 12 deletions(-)

Reviewed-by: Bin Meng bmeng.cn@gmail.com Tested-by: Bin Meng bmeng.cn@gmail.com