Understood :). BUT : I executed the list of commands spewed out during compilation with gcc and I am still not getting a bootable kernel. I tried “make SHELL=’sh -x’” (which presumably forces make to call each command into a new shell) but still no luck. Again - any ideas :) ?
> On Oct 1, 2022, at 3:54 AM, Stuart Henderson <s...@spacehopper.org> wrote: > > On 2022/09/30 15:04, Ionut Hristodorescu wrote: >> Hi, >> >> I am trying to compile the OpenBSD SPARC64 kernel with LLVM. Here’s what I >> did : > > And now you see why sparc64 hasn't moved across to clang yet :-) > >> >> 1. first, compile with gcc, save the commands log, replace “cc” with >> “clang”, change some parameters to match clang’s (for example, gcc has >> “-mno-fpu”, clang has “-msoft-float”, etc) >> 2. compile with clang >> 3. link with the “ld” linker in the end - "ld -n -T ld.script --warn-common >> -nopie -o bsd *.o” >> 4. make install -> the resulting kernel is copied in /bsd >> 5. reboot in qemu : >> >> qemu-system-sparc64 -m 4g -drive file=disk.qcow2,if=ide,bus=0,unit=0 >> -nographic >> OpenBIOS for Sparc64 >> Configuration device id QEMU version 1 machine id 0 >> kernel cmdline >> CPUs: 1 x SUNW,UltraSPARC-IIi >> UUID: 00000000-0000-0000-0000-000000000000 >> Welcome to OpenBIOS v1.1 built on Jun 21 2022 21:07 >> Type 'help' for detailed information >> Trying disk:a... >> Not a bootable ELF image >> Not a bootable a.out image >> >> Loading FCode image... >> Loaded 6888 bytes >> entry point is 0x4000 >> Evaluating FCode... >> OpenBSD IEEE 1275 Bootblock 2.1 >> ..>> OpenBSD BOOT 1.22 >> Trying bsd... >> Booting /pci@1fe,0/pci@1,1/ide@3/ide@0/disk@0:a/bsd >> 11635744@0x1000000+5088@0x1b18c20+144268@0x1c00000+4050036@0x1c2338c >> symbols @ 0xfee48580 239+637704+436800 start=0x1480000 >> [ using 1076152 bytes of bsd ELF symbol table ] >> Unimplemented service set-symbol-lookup ([2] -- [0]) >> Unhandled Exception 0x0000000000000030 >> PC = 0x0000000001493780 NPC = 0x0000000001493784 >> Stopping execution >> >> Any ideas ?