#4083: i386: bad asm in smp mode (rtems.git/5)
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Reporter: Gedare Bloom | Owner: Gedare Bloom
Type: defect | Status: assigned
Priority: normal | Milestone: 5.1
Component: arch/i386 | Version: 5
Severity: normal | Keywords:
Blocked By: | Blocking:
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Cloned from #4076:
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A note for me (or someone) to make the fix outlined on the mailing list.
> > cpukit/score/cpu/i386/include/rtems/asm.h:157 movb
> > imps_apic_cpu_map(\REG),\REG /* CPU ID in REG */
> >
> > The assembler is right to complain. movb has to target one of the
> > 1-byte mnemonics, so this should be %al for the LSB of %eax. One needs
> > to check through this logic carefully, but I think the right thing to
> > do here is:
> > movzbl imps_apic_cpu_map(\REG),\REG
> >
> > That should do the trick. Can you test it locally?
>
> Sure! Builds fine and testsuite testing reveals:
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Ticket URL: <http://devel.rtems.org/ticket/4083>
RTEMS Project <http://www.rtems.org/>
RTEMS Project
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