diff options
Diffstat (limited to 'plat/arm/common/arm_pm.c')
| -rw-r--r-- | plat/arm/common/arm_pm.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/plat/arm/common/arm_pm.c b/plat/arm/common/arm_pm.c index 71fbf9f1..b2251700 100644 --- a/plat/arm/common/arm_pm.c +++ b/plat/arm/common/arm_pm.c @@ -29,6 +29,7 @@ */ #include <arch_helpers.h> +#include <arm_def.h> #include <assert.h> #include <errno.h> #include <plat_arm.h> @@ -123,3 +124,23 @@ int arm_validate_power_state(unsigned int power_state, return PSCI_E_SUCCESS; } #endif /* __ARM_RECOM_STATE_ID_ENC__ */ + +/******************************************************************************* + * ARM standard platform handler called to check the validity of the non secure + * entrypoint. + ******************************************************************************/ +int arm_validate_ns_entrypoint(uintptr_t entrypoint) +{ + /* + * Check if the non secure entrypoint lies within the non + * secure DRAM. + */ + if ((entrypoint >= ARM_NS_DRAM1_BASE) && (entrypoint < + (ARM_NS_DRAM1_BASE + ARM_NS_DRAM1_SIZE))) + return PSCI_E_SUCCESS; + if ((entrypoint >= ARM_DRAM2_BASE) && (entrypoint < + (ARM_DRAM2_BASE + ARM_DRAM2_SIZE))) + return PSCI_E_SUCCESS; + + return PSCI_E_INVALID_ADDRESS; +} |