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authorKumar Gala <galak@kernel.crashing.org>2008-04-09 06:06:11 -0500
committerKumar Gala <galak@kernel.crashing.org>2008-04-17 01:01:36 -0500
commiteb0cd5fd295f469b4782d8088f3e39019da44707 (patch)
tree10418c0fd2ba06f28af598c3ff90d3b33fce7b2e /arch/powerpc/configs/85xx/tqm8560_defconfig
parent771168494719b90621ac61f9ae68c4af494e418f (diff)
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[POWERPC] Rework Book-E debug exception handling
The architecture allows for "Book-E" style debug interrupts to either go to critial interrupts of their own debug interrupt level. To allow for a dynamic kernel to support machines of either type we want to be able to compile in the interrupt handling code for both exception levels. Towards this goal we renamed the debug handling macros to specify the interrupt level in their name (DEBUG_CRIT_EXCEPTION/DebugCrit and DEBUG_DEBUG_EXCEPTION/DebugDebug). Additionally, on the Freescale Book-e parts we expanded the exception stacks to cover the maximum case of needing three exception stacks (normal, machine check and debug). There is some kernel text space optimization to be gained if a kernel is configured for a specific Freescale implementation but we aren't handling that now to allow for the single kernel image support. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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