On Wed, Jan 9, 2013 at 11:07 AM, David Woodhouse <dw...@infradead.org> wrote:
> --- a/edk2/OvmfPkg/Library/LoadLinuxLib/X64/JumpToKernel.asm
> +++ b/edk2/OvmfPkg/Library/LoadLinuxLib/X64/JumpToKernel.asm
> @@ -24,10 +24,47 @@
>
> ;------------------------------------------------------------------------------
> JumpToKernel PROC
>
> - mov rsi, rdx
> - add rcx, 200h
> - call rcx
> - ret
> + ; Set up for executing kernel. BP in %esi, entry point on the stack
> + ; (64-bit when the 'ret' will use it as 32-bit, but we're little-endian)
> + mov rsi, rdx
> + push rcx
> +
> + ; Jump into the compatibility mode CS
> + push 10h
> + push @F
This push won't assemble. ("Invalid instruction operands")
There might be a way to get masm to assemble that instruction, but I
don't know the magic syntax.
This works, and I think is a valid alternative, right?
lea rax, @F
push rax
-Jordan
------------------------------------------------------------------------------
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