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powerpc: Base support for exceptions using HSRR0/1

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Pass the register type to the prolog, also provides alternate "HV"
version of hardware interrupt (0x500) and adjust LPES accordingly

We tag those interrupts by setting bit 0x2 in the trap number

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Benjamin Herrenschmidt
2011-04-05 14:20:31 +10:00
parent 2dd60d79e0
commit a5d4f3ad3a
9 changed files with 86 additions and 49 deletions
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arch/powerpc/include/asm/kvm_asm.h
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@@ -59,6 +59,7 @@
#define BOOK3S_INTERRUPT_INST_SEGMENT 0x480
#define BOOK3S_INTERRUPT_EXTERNAL 0x500
#define BOOK3S_INTERRUPT_EXTERNAL_LEVEL 0x501
#define BOOK3S_INTERRUPT_EXTERNAL_HV 0x502
#define BOOK3S_INTERRUPT_ALIGNMENT 0x600
#define BOOK3S_INTERRUPT_PROGRAM 0x700
#define BOOK3S_INTERRUPT_FP_UNAVAIL 0x800