| commit | b55a5a1b0a7d4f51b6c8eec0d4d78ace8f5fa2b3 | |
| author | James Morse <james.morse@arm.com> | |
| Thu, 2 Nov 2017 12:12:39 +0000 (2 12:12 +0000) | ||
| committer | Will Deacon <will.deacon@arm.com> | |
| Thu, 2 Nov 2017 15:55:41 +0000 (2 15:55 +0000) | ||
| tree | 58ce729296e93870cab0e40248a9d75d05e1d60c | treesnapshot (tar.gz zip) |
| parent | 84d0fb1bb6257d5d5d45f5e3554ab441b4ff5a74 | commitdiff |
arm64: entry.S: convert el1_sync
el1_sync unmasks exceptions on a case-by-case basis, debug exceptions
are unmasked, unless this was a debug exception. IRQs are unmasked
for instruction and data aborts only if the interupted context had
irqs unmasked.
Following our 'dai' order, el1_dbg should run with everything masked.
For the other cases we can inherit whatever we interrupted.
Add a macro inherit_daif to set daif based on the interrupted pstate.
Signed-off-by: James Morse <james.morse@arm.com>
Reviewed-by: Julien Thierry <julien.thierry@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
el1_sync unmasks exceptions on a case-by-case basis, debug exceptions
are unmasked, unless this was a debug exception. IRQs are unmasked
for instruction and data aborts only if the interupted context had
irqs unmasked.
Following our 'dai' order, el1_dbg should run with everything masked.
For the other cases we can inherit whatever we interrupted.
Add a macro inherit_daif to set daif based on the interrupted pstate.
Signed-off-by: James Morse <james.morse@arm.com>
Reviewed-by: Julien Thierry <julien.thierry@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
| arch/arm64/include/asm/assembler.h | diffblobblamehistory | |
| arch/arm64/kernel/entry.S | diffblobblamehistory |