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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)
commit8a3518d7e3783c445ef97f36b007fa5fb9c7ca99
tree643674a107d3fadd5b313d9709ae1f8dd40c8a5btree | snapshot
parent3d25ea41f16e2206548cf308dddfd8a64d66fd8ccommit | 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
Linux Kernel Source Tree.