QEMU does not correctly handle jumps to TSS segments, the code in
switch_tss loads new eflags, but cc_op is never set to CC_OP_EFLAGS.
The problem manifests itself when trying to run DJGPP binaries
compressed with UPX. It goes something like this:
sub esi, 0FFFCh
Sorry about previous e-mail, my mail client decided to ambush me.
QEMU does not correctly handle jumps to TSS segments, the code in
switch_tss loads new eflags, but cc_op is never set to CC_OP_EFLAGS.
The problem manifests itself when trying to run DJGPP binaries
compressed with UPX. It goes
