Hi Heinrich, On Wed, 12 May 2021 at 15:28, Heinrich Schuchardt <[email protected]> wrote: > > Am 12. Mai 2021 18:01:17 MESZ schrieb Simon Glass <[email protected]>: > >Hi Heinrich, > > > >On Tue, 11 May 2021 at 13:03, Heinrich Schuchardt <[email protected]> > >wrote: > >> > >> Addresses in state->ram_buf must be in the low 4 GiB of the address > >space. > >> Otherwise we cannot correctly fill SMBIOS tables. This shows up in > >warnings > >> like: > >> > >> WARNING: SMBIOS table_address overflow 7f752735e020 > > > >This sounds like a bug in the smbios-table code. For sandbox it should > >perhaps use addresses instead of pointers. > > > >I think that code (that I unfortunately wrote) was an expeditious way > >of getting it running, but is not correct. > > The field you are filling is only 32bit wide. I wonder how that table is > meant to work on systems where the lowest memory address is above 4 GiB. Such > ARMv8 systems exist.
map_to_sysmem() will give you a 32-bit wide address. Yes SMBIOS is legacy and designed for 4GB. Regards, Simon

