#10240: PowerPC build broken after PM
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Reporter: kallisti5 | Owner: mmu_man
Type: bug | Status: assigned
Priority: normal | Milestone: Unscheduled
Component: Build System | Version: R1/Development
Resolution: | Keywords: ppc bootstrap
Blocked By: | Blocking:
Has a Patch: 1 | Platform: PowerPC
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Comment (by pulkomandy):
Does not look like a gcc bug to me. When there is no dedicated CPU
instruction for an atomic operation, GCC will call an helper routine,
which the OS should implement. That routine can do anything that's needed
to emulate the behavior: do a syscall, disable interrupts, acquire some
global mutex, ...
On ARM this is the reason we've gone with ARMv7 first (it avoids us the
boring task of implementing these). If you want PPC32 to run, you will
need to implement them all.
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Ticket URL: <https://dev.haiku-os.org/ticket/10240#comment:27>
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