[coreboot-gerrit] Patch set updated for coreboot: 971ae57 libpayload arm64: Add functions for {read/write}_tcr_current

[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/8786

-gerrit

commit 971ae5799bab96e1abfd677bfa13afe70b39fd9b
Author: Furquan Shaikh <furquan at google.com>
Date:   Thu Sep 4 15:03:48 2014 -0700

    libpayload arm64: Add functions for {read/write}_tcr_current
    
    BUG=chrome-os-partner:31634
    BRANCH=None
    TEST=Compiles successfully
    
    Change-Id: I7a3dc9420fa85fa8f7ab70f0f55b200f432d3240
    Signed-off-by: Patrick Georgi <pgeorgi at chromium.org>
    Original-Commit-Id: 20c89d5df653ad65ad6d8ecc4c26de4c5e447564
    Original-Change-Id: Ibd801ef1d777d306f35dde3c2b120af41d8f27e4
    Original-Signed-off-by: Furquan Shaikh <furquan at google.com>
    Original-Reviewed-on: https://chromium-review.googlesource.com/216819
    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>
---
 payloads/libpayload/arch/arm64/lib/sysctrl.c         | 10 ++++++++++
 payloads/libpayload/include/arm64/arch/lib_helpers.h |  2 ++
 2 files changed, 12 insertions(+)

diff --git a/payloads/libpayload/arch/arm64/lib/sysctrl.c b/payloads/libpayload/arch/arm64/lib/sysctrl.c
index 7e06e29..13c9309 100644
--- a/payloads/libpayload/arch/arm64/lib/sysctrl.c
+++ b/payloads/libpayload/arch/arm64/lib/sysctrl.c
@@ -757,6 +757,16 @@ void raw_write_tcr_el3(uint32_t tcr_el3)
 	__asm__ __volatile__("msr TCR_EL3, %0\n\t" : : "r" (tcr_el3) : "memory");
 }
 
+uint64_t raw_read_tcr_current(void)
+{
+	SWITCH_CASE_READ(raw_read_tcr, tcr, uint64_t);
+}
+
+void raw_write_tcr_current(uint64_t tcr)
+{
+	SWITCH_CASE_WRITE(raw_write_tcr, tcr);
+}
+
 /* TTBR0 */
 uint64_t raw_read_ttbr0_el1(void)
 {
diff --git a/payloads/libpayload/include/arm64/arch/lib_helpers.h b/payloads/libpayload/include/arm64/arch/lib_helpers.h
index abb08a4..d98d6f7 100644
--- a/payloads/libpayload/include/arm64/arch/lib_helpers.h
+++ b/payloads/libpayload/include/arm64/arch/lib_helpers.h
@@ -313,6 +313,8 @@ uint32_t raw_read_tcr_el2(void);
 void raw_write_tcr_el2(uint32_t tcr_el2);
 uint32_t raw_read_tcr_el3(void);
 void raw_write_tcr_el3(uint32_t tcr_el3);
+uint64_t raw_read_tcr_current(void);
+void raw_write_tcr_current(uint64_t tcr);
 uint64_t raw_read_ttbr0_el1(void);
 void raw_write_ttbr0_el1(uint64_t ttbr0_el1);
 uint64_t raw_read_ttbr0_el2(void);