diff options
Diffstat (limited to 'bl31')
| -rw-r--r-- | bl31/interrupt_mgmt.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/bl31/interrupt_mgmt.c b/bl31/interrupt_mgmt.c index e595634e..5478902f 100644 --- a/bl31/interrupt_mgmt.c +++ b/bl31/interrupt_mgmt.c @@ -158,6 +158,45 @@ int32_t set_routing_model(uint32_t type, uint32_t flags) return 0; } +/****************************************************************************** + * This function disables the routing model of interrupt 'type' from the + * specified 'security_state' on the local core. The disable is in effect + * till the core powers down or till the next enable for that interrupt + * type. + *****************************************************************************/ +int disable_intr_rm_local(uint32_t type, uint32_t security_state) +{ + uint32_t bit_pos, flag; + + assert(intr_type_descs[type].handler); + + flag = get_interrupt_rm_flag(INTR_DEFAULT_RM, security_state); + + bit_pos = plat_interrupt_type_to_line(type, security_state); + cm_write_scr_el3_bit(security_state, bit_pos, flag); + + return 0; +} + +/****************************************************************************** + * This function enables the routing model of interrupt 'type' from the + * specified 'security_state' on the local core. + *****************************************************************************/ +int enable_intr_rm_local(uint32_t type, uint32_t security_state) +{ + uint32_t bit_pos, flag; + + assert(intr_type_descs[type].handler); + + flag = get_interrupt_rm_flag(intr_type_descs[type].flags, + security_state); + + bit_pos = plat_interrupt_type_to_line(type, security_state); + cm_write_scr_el3_bit(security_state, bit_pos, flag); + + return 0; +} + /******************************************************************************* * This function registers a handler for the 'type' of interrupt specified. It * also validates the routing model specified in the 'flags' for this type of |