Loading and executing non-Linux kernel outside Linux memory.

Hi, I'm running Linux on a PowerPC-44x based board with 256 Megabytes of RAM at 0x5000. - 0x6000..Upon an error interrupt, I should load my recovery module(non-Linux kernel) at 0x4000. and jump the execution to this. Any suggestions for this implementation? Would kexec allow me to lo

NIC bring-up issue on powerpc-440 based board

Hi All, I'm trying to bring-up a PCIe based NIC(e1000e) card on a PowerPC-440 based board, I'm able to list this device under lspci from the user space, but the driver probe fails and looks like mmio mapping doesn't look right. Following is the bootlog of the kernel. Can anyone point out what i

userspace o/p to kernel buffer

Hi, How do I capture all the output of user-space programs into a kernel buffer so that I can later read it using debugger ? My board doesn't have a console (no serial, no network). Any direction would be of great help. sumesh. ___

RE: Loading Linux from already running code..

Hi Philipp and Carlos, Thanks for the reply. When simpleImage.elf is loaded by a debugger, the debugger reads the elf image header and places various sections of image into right place in the RAM. But when I do it from already_running_code, I should manually unpack the elf and place the secti

Loading Linux from already running code..

Hi All, I need some suggestions for booting Linux( >2.6.30 ) with my new project. Scenario:I've a custom built board with PowerPC 440 + 256 MB RAM. there is NO FLASH on this board.There is a hardware logic which will get an initial piece of code (through hardware network) into the ram and then e

Linux booting issue on powerpc 440x5

Hi, I am trying to boot linux kernel (2.6.30) on PPC440x5 processor in a custom built board. I am using simple ppc platform. I have a small bootloader which will only copy the simpleImage.myboard.bin to 0x40 location of my SRAM from the flash. SRAM is only 16MB and bootloader creates one an

Linux booting problem on powerpc 440

Hi all, I am trying to boot linux kernel (2.6.30) on a custom built board.I am using simple ppc platform and attached are my dts file and boot log.. I've 16Mb of RAM,UART and UIC with powerpc 440x5 processor.Kernel Image size is less than 1 mb. i am not using any bootloaders such as U-b

Linux booting problem

Hi all, I am trying to boot linux kernel (2.6.30) on a custom built board.I am using simple ppc platform and attached are my dts file and boot log.. I've 26Mb of RAM,UART and UIC with powerpc 440x5 processor.Kernel Image size is less than 1 mb. cgc,skybeam board is added in arch/powerpc/platfor

Linux with RAM mapped other than zero.

Hi all, I've a system design (32 bit) with SDRAM mapped at 0xf800 rather than at 0. what are the changes i should make to successfully boot a kernel..? my design with SDRAM at 0 (64MB) is working fine with xilinx git line kernel(2.6.27). i was using 'make simpleImage.xilinx (where xilinx.