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arch: x86-64: Add missing End of Table entry

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The OVMF firmware loops around looking for an entry marking the end of
the table. Without this entry processing the tables is an infinite loop.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2020-06-29 15:55:58 +01:00 committed by Sebastien Boeuf
parent 2c3c335de6
commit fbbe348447
1 changed files with 11 additions and 0 deletions
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11
arch/src/x86_64/smbios.rs
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@ -164,6 +164,7 @@ pub fn setup_smbios(mem: &GuestMemoryMmap) -> Result<()> {
let physptr = GuestAddress(SMBIOS_START)
.checked_add(mem::size_of::<Smbios30Entrypoint>() as u64)
.ok_or(Error::NotEnoughMemory)?;
eprintln!("{:x}", physptr.0);
let mut curptr = physptr;
let mut handle = 0;
@ -197,6 +198,16 @@ pub fn setup_smbios(mem: &GuestMemoryMmap) -> Result<()> {
curptr = write_and_incr(mem, 0 as u8, curptr)?;
}
{
handle += 1;
let mut smbios_sysinfo = SmbiosSysInfo::default();
smbios_sysinfo.typ = 127;
smbios_sysinfo.length = mem::size_of::<SmbiosSysInfo>() as u8;
smbios_sysinfo.handle = handle;
curptr = write_and_incr(mem, smbios_sysinfo, curptr)?;
curptr = write_and_incr(mem, 0 as u8, curptr)?;
}
{
let mut smbios_ep = Smbios30Entrypoint::default();
smbios_ep.signature = *SM3_MAGIC_IDENT;