diff options
| author | Furquan Shaikh <furquan@google.com> | 2014-09-04 15:03:48 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-03-21 13:35:53 +0100 |
| commit | c10e7f2de91f8365784756b67c8f4cd99ba2e56b (patch) | |
| tree | 1da3a0727efab51ddf082a76a5c28984b3414c2a /payloads | |
| parent | 678dee08f6e1c265c9663e6f5645d4a7ea2d983d (diff) | |
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@chromium.org>
Original-Commit-Id: 20c89d5df653ad65ad6d8ecc4c26de4c5e447564
Original-Change-Id: Ibd801ef1d777d306f35dde3c2b120af41d8f27e4
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/216819
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/8786
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'payloads')
| -rw-r--r-- | payloads/libpayload/arch/arm64/lib/sysctrl.c | 10 | ||||
| -rw-r--r-- | payloads/libpayload/include/arm64/arch/lib_helpers.h | 2 |
2 files changed, 12 insertions, 0 deletions
diff --git a/payloads/libpayload/arch/arm64/lib/sysctrl.c b/payloads/libpayload/arch/arm64/lib/sysctrl.c index 7e06e29658..13c9309f08 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 f8d95468e1..3adba81c88 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); |