On 09/04/2015 10:59, Jon Doe wrote:
Might be instructive to look at how vmware and
virtualbox BIOSes is
able to work around this problem. Surely their BIOS code is written in
At least Bochs's vgabios was written to run exclusively in 16-bit mode,
using not just a different compiler than gcc but effectively another
instruction set (16-bit x86 instructions and especially 16-bit
addressing modes are almost never used in 32-bit mode).