diff options
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); |