Re: [coreboot] Could some one please give me parameters for QEMU for running Coreboot with Linux payload

[Pankaj Chhabra]

Hello,

Please note that I have tried with foo directory with coreboot.rom copied
as bios.bin also.

qemu-system-i386w.exe -L foo  -serial stdio

Thanks,
Pankaj

On Mon, Mar 11, 2013 at 11:02 PM, Pankaj Chhabra
wrote:
> Hello Ron,
>
> I would like to get involved in the project.
>
> I am running into the issue that Qemu is not loading with the Coreboot
> with Linux payload. On the same setup Qemu with Seabios payload works fine.
>
> I am running Qemu with the attached batch file after replacing the
> bios.bin with generated coreboot.rom
>
> *COREBOOT WITH LINUX PAYLOAD:*
>
> For now I have built with ROM size of 4MB
>
> Built the core boot on Linux Ubuntu 12.04
> his is what has been built
>    GEN        generated/crt0.romstage.S
>     CC         generated/crt0.s
>     CC         generated/crt0.romstage.o
>     CC         console/console.romstage.o
>     CC         generated/bootblock.s
>     CC         generated/bootblock.o
>     LINK       cbfs/fallback/bootblock.debug
>     OBJCOPY    cbfs/fallback/bootblock.elf
>     OBJCOPY    cbfs/fallback/bootblock.bin
> Created CBFS image (capacity = 4193360 bytes)
>     LINK       cbfs/fallback/romstage_null.debug
>     OBJCOPY    cbfs/fallback/romstage_null.elf
>     OBJCOPY    cbfs/fallback/romstage_null.bin
>     GEN        generated/romstage_xip.ld
>     LINK       cbfs/fallback/romstage_xip.debug
>     OBJCOPY    cbfs/fallback/romstage_xip.elf
>     CBFS       coreboot.pre
>     CC         lib/version.ramstage.o
>     CC         drivers/pc80/mc146818rtc.ramstage.o
>     CC         console/console.ramstage.o
>     CC         arch/x86/boot/smbios.ramstage.o
>     CC         generated/coreboot_ram.o
>     CC         cbfs/fallback/coreboot_ram.debug
>     OBJCOPY    cbfs/fallback/coreboot_ram.elf
>     CBFS       coreboot.rom
>     PAYLOAD    payload.elf (compression: LZMA)
>     CONFIG     .config
>     CBFSPRINT  coreboot.rom
>
> coreboot.rom: 4096 kB, bootblocksize 848, romsize 4194304, offset 0x0
> alignment: 64 bytes
>
> Name                           Offset     Type         Size
> cmos_layout.bin                0x0        cmos_layout  1160
> fallback/romstage              0x4c0      stage        19197
> fallback/coreboot_ram          0x5000     stage        42894
> fallback/payload               0xf800     payload      2513834
> config                         0x275400   raw          2873
> (empty)                        0x275f80   null         1613016
>
> *RUN*
> I am running this on Windows Qemo and ran with the following options, I
> have modified the batch file which comes with the Linux. Please find
> attached the batch file and ROM image that was built.
>
> When I try to run int, I am struck the point below. Please let me know how
> to fix this.
>
> [image: Inline image 1]
>
> Thanks,
> Pankaj
>
> On Mon, Mar 11, 2013 at 10:05 PM, ron minnich  wrote:
> > first question, to start, are you at the point that you can boot
> > coreboot at all? That's a first step.
> >
> > I would *love* to see you get this going, and then we can put it on
> > the wiki. Don't hesitate to ask for help.
> >
> > I'm not on IRC, much, my connectivity is too weird, so email is still
> > best for me.
> >
> > ron