On Mon, 2 Mar 2020 at 00:05, Arvind Sankar <nivedita@xxxxxxxxxxxx> wrote: > > Store the kernel's link address as ImageBase in the PE header. Note that > the PE specification requires the ImageBase to be 64k aligned. The > preferred address should almost always satisfy that, except for 32-bit > kernel if the configuration has been customized. > > Signed-off-by: Arvind Sankar <nivedita@xxxxxxxxxxxx> > --- > arch/x86/boot/header.S | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S > index 4ee25e28996f..0d8d2cb28fd9 100644 > --- a/arch/x86/boot/header.S > +++ b/arch/x86/boot/header.S > @@ -138,10 +138,12 @@ optional_header: > #endif > > extra_header_fields: > + # PE specification requires ImageBase to be 64k-aligned > + .set ImageBase, (LOAD_PHYSICAL_ADDR+0xffff) & ~0xffff Could you call this image_base please, and put some spaces around the + > #ifdef CONFIG_X86_32 > - .long 0 # ImageBase > + .long ImageBase # ImageBase > #else > - .quad 0 # ImageBase > + .quad ImageBase # ImageBase > #endif > .long 0x20 # SectionAlignment > .long 0x20 # FileAlignment > -- > 2.24.1 >
