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arm64: KGDB: Add step debugging support
authorVijaya Kumar K <Vijaya.Kumar@caviumnetworks.com>
Tue, 28 Jan 2014 11:20:19 +0000 (11:20 +0000)
committerCatalin Marinas <catalin.marinas@arm.com>
Wed, 26 Feb 2014 11:16:25 +0000 (11:16 +0000)
commit44679a4f142b69ae0c68ed815a48bbd164827281
tree643674a107d3fadd5b313d9709ae1f8dd40c8a5btree | snapshot
parentbcf5763b0d58d20e288ac52f96cbd7788e262caccommit | diff
arm64: KGDB: Add step debugging support

Add KGDB software step debugging support for EL1 debug
in AArch64 mode.

KGDB registers step debug handler with debug monitor.
On receiving 'step' command from GDB tool, target enables
software step debugging and step address is updated in ELR.

Software Step debugging is disabled when 'continue' command
is received

Signed-off-by: Vijaya Kumar K <Vijaya.Kumar@caviumnetworks.com>
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
arch/arm64/kernel/kgdb.c diff | blob | history
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