On Wed, Feb 10, 2021 at 04:30:26PM +0800, Tiezhu Yang wrote: > According to MIPS EJTAG Specification [1], a Debug Breakpoint > exception occurs when an SDBBP instruction is executed, the > CP0_DEBUG bit DBp indicates that a Debug Breakpoint exception > occurred. > > When I read the original code, it looks a little confusing > at first glance, just check bit DBp for SDBBP to make the > code more readable, it will be much easier to understand. > > [1] http://www.t-es-t.hu/download/mips/md00047f.pdf > > Signed-off-by: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx> > --- > > RESEND due to send to mail list failed. > > v3: update the commit message and modify the patch subject > > v2: add MIPS_DEBUG_DBP definition > > arch/mips/include/asm/mipsregs.h | 4 ++++ > arch/mips/kernel/genex.S | 4 ++-- > 2 files changed, 6 insertions(+), 2 deletions(-) applied to mips-next. Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]
