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3 Commits

Author SHA1 Message Date
Furquan Shaikh 678dee08f6 libpayload arm64: Remove tight-coupling with any particular EL 
Allow more flexibility by reading and writing to system registers at current
EL. Instead of specifying what _ELx register to write to, code can specify
_current.

BUG=chrome-os-partner:31634
BRANCH=None
TEST=Compiles and boots to kernel on ryu

Change-Id: Id38b675bfe67ca1e25f8c268192114e3f0bee800
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 6d4d07e26fc964dc3aaebfe03db59596d90093e9
Original-Change-Id: Ic1d9e18e6fc016a04f17621a148e62d6cbd04ce7
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/214577
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8785
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
 2015-03-21 13:35:47 +01:00
Furquan Shaikh 3b1ee0387c libpayload arm64: Make exceptions work 
BUG=chrome-os-partner:31634
BRANCH=None
TEST=test_exc generates and handles exceptions properly

Change-Id: If3ecab93be6d02942b52960ec97edc687bedf64b
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: bba2caae0bd436ba9e5215f5d8606ce8c4987c98
Original-Change-Id: I4abe8a0e426eab2532852179dbb32505353cd0a1
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/214609
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8783
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
 2015-03-21 13:35:38 +01:00
Furquan Shaikh 8c8c377584 libpayload: Add support for arm64 in libpayload 
Basic support for arm64 is enabled in libpayload.
Features added:
1) mem* operations in assembly.
2) Basic exception handling and support for testing exceptions.
3) Caching support.

Tested with arm64-generic board compilation.

BUG=None
BRANCH=None
TEST=Compilation successful

Original-Change-Id: I4e86301f9c6383abc078e2b70071fb84bd6e4741
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/187067
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
(cherry picked from commit a70d13f3d225535843ab352290eab2e1ec7a9b4b)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>

Change-Id: Ie3affe6a2bdd4fed3058de739d4c6aa573e5b251
Reviewed-on: http://review.coreboot.org/8063
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
 2015-01-09 07:04:28 +01:00