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target-arm: Implement AArch64 EL1 exception handling

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Implement exception handling for AArch64 EL1. Exceptions from AArch64 or
AArch32 EL0 are supported.

Signed-off-by: Rob Herring <rob.herring@linaro.org>
[PMM: fixed minor style nits; updated to match changes in
 previous patches; added some of the simpler cases of
 illegal-exception-return support]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
This commit is contained in:
Rob Herring 2014-04-15 19:18:44 +01:00 • committed by Peter Maydell
parent 2f2a00aec9
commit 52e60cdd34
6 changed files with 143 additions and 0 deletions
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target-arm/helper.h
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@ -66,6 +66,7 @@ DEF_HELPER_3(set_cp_reg64, void, env, ptr, i64)
DEF_HELPER_2(get_cp_reg64, i64, env, ptr)
DEF_HELPER_3(msr_i_pstate, void, env, i32, i32)
DEF_HELPER_1(exception_return, void, env)
DEF_HELPER_2(get_r13_banked, i32, env, i32)
DEF_HELPER_3(set_r13_banked, void, env, i32, i32)