From mboxrd@z Thu Jan 1 00:00:00 1970 From: "wangwei" To: "ecos maillist" Subject: [ECOS] Fw: [ECOS] run-time error " EXH 4" Date: Wed, 07 Mar 2001 23:43:00 -0000 Message-id: <001e01c0a7a2$d91d71e0$592da8c0@start.com.cn> X-SW-Source: 2001-03/msg00123.html Thank you , Jesper SKov. I have got the means of "exh 4".it means a exception happened,and the exception number is 4.But I don't which exception it is.I maybe find it in program.It's better if anybody give me some advice. About microwin,I have turn on the arm7500's cache and write buffer.If I turn off them, the operation of window will be slower,expecially in refreshing window. > ----- Original Message ----- > From: "Jesper Skov" > To: "wangwei" > Cc: > Sent: Thursday, March 08, 2001 3:14 PM > Subject: Re: [ECOS] run-time error " EXH 4" > > > > >>>>> "wangwei" == wangwei writes: > > > > wangwei> Hi: I'm porting microwindow in ecos.Now it can success in > > wangwei> runing mwin api. But a while later , the gdb console got a > > wangwei> message "EXH 4"from target,and the target dump. What is the > > > > No idea what that means. > > > > wangwei> meaning of this message? And my target is arm7500 in > > wangwei> 50MHz.but in microwindow,the operation of windows is very > > wangwei> slow. I think it would be faster in this cpu.Are there > > wangwei> anybody know it ? Help me . Thinks > > > > Does that ARM cpu have caches? Otherwise that could probably explain > > the bad performance. > > > > Jesper > > >