[coreboot-gerrit] Patch set updated for coreboot: 46470b6 arm64 libhelpers: Add helper functions for writing sp_elx

[Patrick Georgi (pgeorgi@google.com)]

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);