Paolo Bonzini <pbonz...@redhat.com> writes: > The e801 memory sizes in the multiboot structures hard-code the available > low memory to 640. However, the value should not include the size of the > EBDA. Fill the value in the option ROM, getting the size of low memory > from the BIOS. > > Cc: Alexander Graf <ag...@suse.de> > Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> > --- > Alex, can you ack this patch for 1.3?
Applied. Thanks. Didn't see a clear ack from Alex but since this does fix a bug, I figured we should carry it for 1.3. Regards, Anthony Liguori > > pc-bios/multiboot.bin | Bin 1024 -> 1024 bytes > pc-bios/optionrom/multiboot.S | 7 +++++++ > 2 files changed, 7 insertions(+) > > diff --git a/pc-bios/multiboot.bin b/pc-bios/multiboot.bin > index > f74a6e142fddc054d7f40ab346a108532afac40f..7b3c1745a430ea5e0e15b9aa817d1cbbaa40db14 > 100644 > GIT binary patch > delta 81 > zcmZqRXyBNj#q7o8KT+38L4+xd@o;KdryK*rZVrajPB|8aZaEhwAcKt|ty|7*VtW(k > kS)sHUDQSyY7$$Qv{%2ueV91@!$z;eVv)P(y2P2~%0BkrF9smFU > > delta 72 > zcmZqRXyBNj#capqJW<z5frBZH@o;KdryK*rZVrajPB|8aZaE7kAcKt|ty|7&VtdnM > bA;$lVDU(H+3>gJByEE-zoLs=f!*~_|qXQE} > > diff --git a/pc-bios/optionrom/multiboot.S b/pc-bios/optionrom/multiboot.S > index f08222a..003bcfb 100644 > --- a/pc-bios/optionrom/multiboot.S > +++ b/pc-bios/optionrom/multiboot.S > @@ -75,6 +75,13 @@ run_multiboot: > shr $4, %eax > mov %ax, %fs > > + /* Account for the EBDA in the multiboot structure's e801 > + * map. > + */ > + int $0x12 > + cwtl > + movl %eax, %fs:4 > + > /* ES = mmap_addr */ > mov %fs:48, %eax > shr $4, %eax > -- > 1.8.0