Michael Lotz wrote: > > Author: mmu_man > > Date: 2009-08-15 04:16:23 +0200 (Sat, 15 Aug 2009) > > New Revision: 32408 > > ViewCVS: http://svn.berlios.de/viewcvs/haiku?rev=32408&view=rev > > > > Modified: > > haiku/trunk/src/system/boot/platform/u-boot/start2.c > > Log: > > [GSoC] [ARM] Patch by Johannes Wischert. > > Add assembler code to actually jump to the kernel. > > The terminal now says: > > > > kernel entry at 80048228 > > PANIC: acquire_spinlock: attempt to acquire lock 0x8012a59c with > > interrupts enabled > > Welcome to Kernel Debugging Land... > > Thread 0 "" running on CPU 0 > > kdebug> > > That's pretty cool, congratulations to both of you! Yeah still a lot of work ahead but it's a milestone :) > > Is there an easy way to currently build/try your work under Haiku? > What > build targets would one use and how would you run a resulting binary? We currently use the verdex board as target since the overo is not emulated (though there is a fork of qemu that supports omap from maemo) * get the latest qemu git clone git://git.savannah.nongnu.org/qemu cd qemu ./configure --target-list=i386-softmmu,m68k-softmmu,ppc-softmmu,arm- softmmu --disable-sdl --disable-gcc-check # --disable-gcc-check might be needed depending on your gcc # arm-softmmu is the only needed target, it's just my default here make su -c 'make install' cd .. # update both buildtools & trunk svn up trunk buildtools cd trunk mkdir generated-arm cd generated-arm ../configure --build-cross-tools-gcc4 arm ../../buildtools --include- gpl-addons --include-3rdparty --use-gcc-pipe # --use-32bit on 64bit platforms # get the u-boot bin for the card to generate the flash image wget http://www.gumstix.net/feeds/u-boot/u-boot-verdex-400-r1604.bin # it's not automated yet cp u-boot-verdex-400-r1604.bin generated-arm/ # build both flash image and sd card image (cd generated-arm/ && LANG=C HAIKU_BOOT_BOARD=verdex jam -j1 -q haiku_flash_image_raw.img haiku.mmc) # (use linux32 jam on 64bit) # test it # I'm not sure the boot from flash still works so just boot from the SD card. # else you'd just omit -sd .. qemu-system-arm -M verdex -serial stdio -vnc :0 -pflash generated-arm/ haiku_flash_image_raw.img -sd generated-arm/haiku.mmc -s # -s so you can attach gdb... generated-arm/cross-tools/bin/arm-elf-gdb generated-arm/objects/haiku/ arm/release/system/kernel/kernel_arm -ex 'target remote localhost:1234' # if you want to see the splash: vi src/system/boot/platform/u-boot/video.cpp # comment the return; in platform_switch_to_logo() # uncomment the call to platform_switch_to_logo(); in platform_init_video() (cd generated-arm/ && LANG=C HAIKU_BOOT_BOARD=verdex jam -j1 -q haiku_flash_image_raw.img haiku.mmc) vncviewer 127.0.0.1:0 François.