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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)
commit48911cff8d69c6ea04783603ca42d6da83db5a60
tree643674a107d3fadd5b313d9709ae1f8dd40c8a5btree | snapshot
parent9c0ea637ee48e84b5e1b09e2a0a1abe76b8cf6c4commit | 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.