[coreboot-gerrit] Patch set updated for coreboot: 46470b6 arm64 libhelpers: Add helper functions for writing sp_elx
Patrick Georgi (pgeorgi@google.com)
gerrit at coreboot.org
Fri Mar 27 09:58:37 CET 2015
Patrick Georgi (pgeorgi at google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/9064
-gerrit
commit 46470b66f3913915707ec30080a5eb2033731eb8
Author: Furquan Shaikh <furquan at google.com>
Date: Sun Sep 7 18:27:16 2014 -0700
arm64 libhelpers: Add helper functions for writing sp_elx
BUG=chrome-os-partner:30785
BRANCH=None
TEST=Compiles successfully
Change-Id: Id9367b1fc836b7b8c8fd15b372673853493f67d4
Signed-off-by: Patrick Georgi <pgeorgi at chromium.org>
Original-Commit-Id: 561e9c4ec2b0657846d50bbc893ef7541230f932
Original-Change-Id: Ie950e893b01456c23af14304bd4dd8f61af9f244
Original-Signed-off-by: Furquan Shaikh <furquan at google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/216905
Original-Reviewed-by: Aaron Durbin <adurbin at chromium.org>
Original-Tested-by: Furquan Shaikh <furquan at chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan at chromium.org>
---
src/arch/arm64/armv8/lib/pstate.c | 10 ++++++++++
src/arch/arm64/include/armv8/arch/lib_helpers.h | 2 ++
2 files changed, 12 insertions(+)
diff --git a/src/arch/arm64/armv8/lib/pstate.c b/src/arch/arm64/armv8/lib/pstate.c
index d2f3649..ecec387 100644
--- a/src/arch/arm64/armv8/lib/pstate.c
+++ b/src/arch/arm64/armv8/lib/pstate.c
@@ -325,6 +325,16 @@ void raw_write_sp_el3(uint64_t sp_el3)
raw_write_spsel(spsel);
}
+uint64_t raw_read_sp_elx(uint32_t el)
+{
+ SWITCH_CASE_READ(raw_read_sp, sp, uint64_t, el);
+}
+
+void raw_write_sp_elx(uint64_t sp_elx, uint32_t el)
+{
+ SWITCH_CASE_WRITE(raw_write_sp, sp_elx, el);
+}
+
/* SPSR */
uint32_t raw_read_spsr_abt(void)
{
diff --git a/src/arch/arm64/include/armv8/arch/lib_helpers.h b/src/arch/arm64/include/armv8/arch/lib_helpers.h
index 014926d..4fcef28 100644
--- a/src/arch/arm64/include/armv8/arch/lib_helpers.h
+++ b/src/arch/arm64/include/armv8/arch/lib_helpers.h
@@ -217,6 +217,8 @@ uint32_t raw_read_spsel(void);
void raw_write_spsel(uint32_t spsel);
uint64_t raw_read_sp_el3(void);
void raw_write_sp_el3(uint64_t sp_el3);
+uint64_t raw_read_sp_elx(uint32_t el);
+void raw_write_sp_elx(uint64_t sp_elx, uint32_t el);
uint32_t raw_read_spsr_abt(void);
void raw_write_spsr_abt(uint32_t spsr_abt);
uint32_t raw_read_spsr_el1(void);
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