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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>
This commit is contained in:
Furquan Shaikh 2014-09-04 15:03:48 -07:00 committed by Patrick Georgi
parent 678dee08f6
commit c10e7f2de9
2 changed files with 12 additions and 0 deletions
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10
payloads/libpayload/arch/arm64/lib/sysctrl.c
View File

@ -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)
{

2
payloads/libpayload/include/arm64/arch/lib_helpers.h
View File

@ -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);