Small bump, I am still having this error while (out of curiosity)
trying to build the Lenovo G505S ROM for 32 MB or 64 MB spi flash:

    OBJCOPY    bootblock.raw.bin
Created CBFS (capacity = 33488356 bytes)
    BOOTBLOCK
    CBFS       cbfs_master_header
    CBFS       fallback/romstage
Image SIZE 33554432
cbfstool: /media/mint/2183183a-158f-476a-81af-b42534a68706/shared/core/coreboot/util/cbfstool/cbfstool.c:1186:
cbfstool_convert_mkstage: Assertion
`IS_HOST_SPACE_ADDRESS(host_space_address)' failed.
Aborted (core dumped)
make: *** [Makefile.mk:1210: build/coreboot.pre] Error 134

Meanwhile, it builds fine for 4 MB / 8 MB / 16 MB , only these large
sizes are a problem

On Sat, Jun 25, 2022 at 12:55 AM Julius Werner <jwerner@chromium.org> wrote:
>
> I can see a little bug that makes this return a confusing error (it
> should have really failed with `SPI flash address(0x300) not in any
> mmap window!`), and we can fix that if you want. But that still won't
> make this build (and my patch didn't cause the underlying problem,
> before that it may have built an image but it probably wouldn't have
> booted). By default cbfstool only expects the top 16MB of the flash to
> be memory-mapped, so it cannot link XIP stages into areas outside of
> that. The real solution is to either change your FMAP to put the
> COREBOOT section into the top 16MB (we might want to change the
> auto-generated default FMAP to do that), or pass
> --ext-win-base/--ext-win-size options to cbfstool to tell it how to
> map areas below the top 16MB.
>
> On Thu, Jun 23, 2022 at 1:09 AM Paul Menzel <pmenzel@molgen.mpg.de> wrote:
> >
> > Dear Mike,
> >
> >
> > Am 23.06.22 um 09:49 schrieb Mike Banon:
> > > If I use a default config for i440fx/piix4, building a 16MB ROM works
> > > fine, but 32MB or 64MB doesn't work anymore:
> > >
> > > ...
> > >      CC         postcar/southbridge/intel/common/rtc.o
> > >      LINK       cbfs/fallback/postcar.debug
> > >      OBJCOPY    cbfs/fallback/romstage.elf
> > >      CREATE     build/mainboard/emulation/qemu-i440fx/cbfs-file.vqaXlP.out (from /home/my_custom_path_to/coreboot/.config)
> > >      CC+STRIP   src/lib/cbfs_master_header.c
> > >      OBJCOPY    cbfs/fallback/bootblock.elf
> > >      OBJCOPY    bootblock.raw.elf
> > >      OBJCOPY    bootblock.raw.bin
> > > Created CBFS (capacity = 33553892 bytes)
> > >      BOOTBLOCK
> > >      CBFS       cbfs_master_header
> > >      CBFS       fallback/romstage
> > > cbfstool: /home/my_custom_path_to/coreboot/util/cbfstool/cbfstool.c:1145: cbfstool_convert_mkstage: Assertion `IS_HOST_SPACE_ADDRESS(host_space_address)' failed.
> > > make: *** [Makefile.inc:1116: build/coreboot.pre] Aborted
> >
> > Thank you for the report. It looks like a regression of commit
> > 20ad36547e25 (cbfstool: Do host space address conversion earlier when
> > adding files) [1].
> >
> > Building a 32 MB ROM also fails for emulation/qemu-q35
> > (`CONFIG_BOARD_EMULATION_QEMU_X86_Q35=y`).
> >
> >
> > Kind regards,
> >
> > Paul
> >
> >
> > [1]: https://review.coreboot.org/c/coreboot/+/60018
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--
Best regards, Mike Banon
Open Source Community Manager of 3mdeb - https://3mdeb.com/
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