CFI_DEF_CFA instruction

2008-03-06 Thread Bai Shuwei
hi, all, from the web i find the definition is: .cfi_def_cfa defines a rule for computing CFA as: take adress from register and add offeset to it. There is a concept CFA i can't understand, what means of the CFA, and this address point to where? Best Regards! Bai Shuwei --

PCI to Parallel for PowerPC

2007-11-24 Thread Bai Shuwei
hi, all I bought a SMC1500 stepper motor card. And it can connect with host through parallel port. My target board is PowerPC 440, which hasn't parrallel port. So I bought a PCI to Parallel line for SMC1500. But when I run the stepper motor, I find it's not stable. I doubt there are somthing w

[EMAIL PROTECTED];[EMAIL PROTECTED];[EMAIL PROTECTED]

2007-11-24 Thread Bai Shuwei
hi, all I bought a SMC1500 stepper motor card. And it can connect with host through parallel port. My target board is PowerPC 440, which hasn't parrallel port. So I bought a PCI to Parallel line for SMC1500. But when I run the stepper motor, I find it's not stable. I doubt there are somthing w

ring on PowerPC

2007-10-30 Thread Bai Shuwei
Hi, everyone As we know, the program on the X86 can run on the differnt ring(0, 1, 2, 3) and the linux kernel run in the ring 0 and user program in the ring 3. And now I want to know wether there is a simple mechanism on the PowerPC architecture? thx all! best regards! Buroc -- Add: Tianshu

rtlinux rtai interrupt latency

2007-10-20 Thread Bai Shuwei
all, hi does anyone knows RTLinux, RTAI interrupt latency and schedule latency on the PPC440, PPC405? Thanks! buroc -- Add: Tianshui South Road 222, Lanzhou, P.R.China Tel: +86-931-8912025 Zip Code: 73 URL: oss.lzu.edu.cn Email: [EMAIL PROTECTED], [EMAIL PROTECTED] ___

powerpc 440 monitor program

2007-10-18 Thread Bai Shuwei
all, hi, when I boot my system, there are no output on the screen. I choice the framebuffer and my monitor card is ATI PAGE 128 PCI, qt/e GUI. When i compile the kernel, the boot logo and aty 128fb has be compiled into kernel patched with videoboot, and x86emu. The video parameters set: vi

port gnome

2007-10-11 Thread Bai Shuwei
all, hi I want to port the GNOME or KDE to AMCC PowerPC 440EP board. I want to know whether it will run and whether the monitor work if I use PCI to connect the monitor card? Thank you very much! Buroc -- Add: Tianshui South Road 222, Lanzhou, P.R.China Tel: +86-931-8912025 Zip Code: 73 Em