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undiisr.S: save/restore upper half of %eflags 

Since we don't know what the UNDI code does, it is safest to
save/restore %eflags even though the lower half of %eflags is
automatically saved by the interrupt itself.
pull/1/head
H. Peter Anvin 2008-02-10 18:13:06 -08:00
parent 621c2886aa
commit 9aec835541
1 changed files with 2 additions and 0 deletions
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2
src/arch/i386/drivers/net/undiisr.S
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@ -23,6 +23,7 @@ undiisr:
pushw %es pushw %es
pushw %fs pushw %fs
pushw %gs pushw %gs
pushfl
pushal pushal
/* Set up our segment registers */ /* Set up our segment registers */
@ -64,6 +65,7 @@ chain: /* Chain to next handler */
exit: /* Restore registers and return */ exit: /* Restore registers and return */
popal popal
popfl
popw %gs popw %gs
popw %fs popw %fs
popw %es popw %es