[Qemu-devel] [RFC] [PATCH] TSS ljmp issues

[malc]

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, 0FFFFFFFCh
                adc     ebx, ebx

loc_169:                                ; CODE XREF: start+1B

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tss-ljmp-eflags.patch
Description: Text document