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authorFurquan Shaikh <furquan@google.com>2014-09-07 18:27:16 -0700
committerPatrick Georgi <pgeorgi@google.com>2015-03-28 07:04:30 +0100
commit33dbfd434e587b0b38d32d5fd0064db0ca397eac (patch)
tree04210409463c890dc0f8a6dba44b9c587c21e517 /src
parente1b87a103290115831226713b1711dcc956ae43d (diff)
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@chromium.org> Original-Commit-Id: 561e9c4ec2b0657846d50bbc893ef7541230f932 Original-Change-Id: Ie950e893b01456c23af14304bd4dd8f61af9f244 Original-Signed-off-by: Furquan Shaikh <furquan@google.com> Original-Reviewed-on: https://chromium-review.googlesource.com/216905 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/9064 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src')
-rw-r--r--src/arch/arm64/armv8/lib/pstate.c10
-rw-r--r--src/arch/arm64/include/armv8/arch/lib_helpers.h2
2 files changed, 12 insertions, 0 deletions
diff --git a/src/arch/arm64/armv8/lib/pstate.c b/src/arch/arm64/armv8/lib/pstate.c
index d2f3649ee9..ecec387fa9 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 014926d8fe..4fcef28f11 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);