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authorFurquan Shaikh <furquan@google.com>2014-08-27 12:16:16 -0700
committerPatrick Georgi <pgeorgi@google.com>2015-03-21 13:35:42 +0100
commit635b45d60878887fba7425f61870cf2a9a6f3102 (patch)
tree39eeec5d39550823157390b162bf056e125fbf7e /payloads/libpayload/arch/arm64/lib/Makefile.inc
parent3b1ee0387c70f0b31307f50a5efa5a2b584a3635 (diff)
libpayload arm64: Add library helpers
Add library helpers to access standard arm64 registers. This library also provides functions to directly read/write register based on current el. So, rest of the code doesnt need to keep checking the el and call appropriate function based on that. BUG=chrome-os-partner:31634 BRANCH=None TEST=Libpayload and depthcharge compile successfully for ryu Change-Id: Ibc0ca49f158362d4b7ab2045bf0fbd58ada79360 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 2ca6da580cb51b4c23abdaf04fee2785e5780510 Original-Change-Id: I9b63e04aa26a98bbeb34fdef634776d49454ca8d Original-Signed-off-by: Furquan Shaikh <furquan@google.com> Original-Reviewed-on: https://chromium-review.googlesource.com/214575 Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Original-Tested-by: Furquan Shaikh <furquan@chromium.org> Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org> Reviewed-on: http://review.coreboot.org/8784 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'payloads/libpayload/arch/arm64/lib/Makefile.inc')
-rw-r--r--payloads/libpayload/arch/arm64/lib/Makefile.inc33
1 files changed, 33 insertions, 0 deletions
diff --git a/payloads/libpayload/arch/arm64/lib/Makefile.inc b/payloads/libpayload/arch/arm64/lib/Makefile.inc
new file mode 100644
index 0000000000..a7b7f576b4
--- /dev/null
+++ b/payloads/libpayload/arch/arm64/lib/Makefile.inc
@@ -0,0 +1,33 @@
+#####################################################################################
+## This file is part of the coreboot project.
+##
+## Copyright 2014 Google Inc.
+##
+## Redistribution and use in source and binary forms, with or without
+## modification, are permitted provided that the following conditions
+## are met:
+## 1. Redistributions of source code must retain the above copyright
+## notice, this list of conditions and the following disclaimer.
+## 2. Redistributions in binary form must reproduce the above copyright
+## notice, this list of conditions and the following disclaimer in the
+## documentation and/or other materials provided with the distribution.
+## 3. The name of the author may not be used to endorse or promote products
+## derived from this software without specific prior written permission.
+##
+## THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+## ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+## ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+## FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+## OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+## LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+## OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+## SUCH DAMAGE.
+##
+#####################################################################################
+
+lib_access = pstate.c sysctrl.c cache.c tlb.c clock.c
+
+libc-y += $(lib_access) \ No newline at end of file