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-rw-r--r--payloads/libpayload/arch/arm64/lib/sysctrl.c10
-rw-r--r--payloads/libpayload/include/arm64/arch/lib_helpers.h2
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);