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PPC: BookE: Implement EPR SPR

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On the e500 series, accessing SPR_EPR magically turns into an access at
that CPU's IACK register on the MPIC. Implement that logic to get kernels
that make use of that feature work.

Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Alexander Graf 2012-06-20 21:27:02 +02:00
parent e42a61f185
commit 2a7a47fc6c
5 changed files with 39 additions and 0 deletions
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target-ppc/helper.h
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@ -405,6 +405,7 @@ DEF_HELPER_2(store_40x_dbcr0, void, env, tl)
DEF_HELPER_2(store_40x_sler, void, env, tl)
DEF_HELPER_2(store_booke_tcr, void, env, tl)
DEF_HELPER_2(store_booke_tsr, void, env, tl)
DEF_HELPER_1(load_epr, tl, env)
DEF_HELPER_3(store_ibatl, void, env, i32, tl)
DEF_HELPER_3(store_ibatu, void, env, i32, tl)
DEF_HELPER_3(store_dbatl, void, env, i32, tl)