[coreboot-gerrit] New patch to review for coreboot: a65c082 libpayload arm64: Add functions for {read/write}_tcr_current
Patrick Georgi (pgeorgi@google.com)
gerrit at coreboot.org
Fri Mar 20 10:33:29 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/8786
-gerrit
commit a65c08292a71f0aafd91c4c55d30b665774ed5e9
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 f8d9546..3adba81 100644
--- a/payloads/libpayload/include/arm64/arch/lib_helpers.h
+++ b/payloads/libpayload/include/arm64/arch/lib_helpers.h
@@ -258,6 +258,8 @@ 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);
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