diff options
| author | Chee Hong Ang <chee.hong.ang@intel.com> | 2018-08-20 10:57:34 -0700 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-11-16 13:34:33 -0500 |
| commit | a7aab5bcb545950a25f1a9459a6c0acc7ac75b1e (patch) | |
| tree | 6088143c515d0563f643537f93574e556b0d7053 /arch | |
| parent | f1cd696160f311e39f9c151531aeb3700556ad3d (diff) | |
ARMv8: Enable all asynchronous abort exceptions taken to EL3
Allow EL3 to handle all the External Abort and SError interrupt
exception occur in all exception levels.
Signed-off-by: Chee Hong Ang <chee.hong.ang@intel.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/include/asm/macro.h | 4 | ||||
| -rw-r--r-- | arch/arm/include/asm/system.h | 1 |
2 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/include/asm/macro.h b/arch/arm/include/asm/macro.h index d5a7a8bb61..bb33b4bc89 100644 --- a/arch/arm/include/asm/macro.h +++ b/arch/arm/include/asm/macro.h @@ -193,6 +193,10 @@ lr .req x30 SCR_EL3_SMD_DIS | SCR_EL3_RES1 |\ SCR_EL3_NS_EN) #endif + +#ifdef CONFIG_ARMV8_EA_EL3_FIRST + orr \tmp, \tmp, #SCR_EL3_EA_EN +#endif msr scr_el3, \tmp /* Return to the EL2_SP2 mode from EL3 */ diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h index c1f87f9caf..aed2e3c51e 100644 --- a/arch/arm/include/asm/system.h +++ b/arch/arm/include/asm/system.h @@ -29,6 +29,7 @@ #define SCR_EL3_HCE_EN (1 << 8) /* Hypervisor Call enable */ #define SCR_EL3_SMD_DIS (1 << 7) /* Secure Monitor Call disable */ #define SCR_EL3_RES1 (3 << 4) /* Reserved, RES1 */ +#define SCR_EL3_EA_EN (1 << 3) /* External aborts taken to EL3 */ #define SCR_EL3_NS_EN (1 << 0) /* EL0 and EL1 in Non-scure state */ /* |