diff options
author | Jeenu Viswambharan <jeenu.viswambharan@arm.com> | 2017-09-22 08:32:09 +0100 |
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committer | Jeenu Viswambharan <jeenu.viswambharan@arm.com> | 2017-10-16 16:50:02 +0100 |
commit | 8db978b5a8606a658c65b16fab7edd7a17c7c940 (patch) | |
tree | bfef9510b0bbb1f8560a45a7ef760217d49ddab4 /plat | |
parent | 74dce7fa6e42cab3aa54a9543e4a546c1450b2ae (diff) |
GIC: Add API to raise secure SGI
API documentation updated.
Change-Id: I129725059299af6cc612bafa8d74817f779d7c4f
Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
Diffstat (limited to 'plat')
-rw-r--r-- | plat/common/plat_gicv2.c | 20 | ||||
-rw-r--r-- | plat/common/plat_gicv3.c | 12 |
2 files changed, 32 insertions, 0 deletions
diff --git a/plat/common/plat_gicv2.c b/plat/common/plat_gicv2.c index c785d831..5df9c79b 100644 --- a/plat/common/plat_gicv2.c +++ b/plat/common/plat_gicv2.c @@ -7,6 +7,7 @@ #include <gic_common.h> #include <gicv2.h> #include <interrupt_mgmt.h> +#include <platform.h> /* * The following platform GIC functions are weakly defined. They @@ -29,6 +30,7 @@ #pragma weak plat_ic_disable_interrupt #pragma weak plat_ic_set_interrupt_priority #pragma weak plat_ic_set_interrupt_type +#pragma weak plat_ic_raise_el3_sgi /* * This function returns the highest priority pending interrupt at @@ -220,3 +222,21 @@ void plat_ic_set_interrupt_type(unsigned int id, unsigned int type) gicv2_set_interrupt_type(id, gicv2_type); } + +void plat_ic_raise_el3_sgi(int sgi_num, u_register_t target) +{ +#if GICV2_G0_FOR_EL3 + int id; + + /* Target must be a valid MPIDR in the system */ + id = plat_core_pos_by_mpidr(target); + assert(id >= 0); + + /* Verify that this is a secure SGI */ + assert(plat_ic_get_interrupt_type(sgi_num) == INTR_TYPE_EL3); + + gicv2_raise_sgi(sgi_num, id); +#else + assert(0); +#endif +} diff --git a/plat/common/plat_gicv3.c b/plat/common/plat_gicv3.c index f4279ec4..819ca451 100644 --- a/plat/common/plat_gicv3.c +++ b/plat/common/plat_gicv3.c @@ -35,6 +35,7 @@ #pragma weak plat_ic_disable_interrupt #pragma weak plat_ic_set_interrupt_priority #pragma weak plat_ic_set_interrupt_type +#pragma weak plat_ic_raise_el3_sgi CASSERT((INTR_TYPE_S_EL1 == INTR_GROUP1S) && (INTR_TYPE_NS == INTR_GROUP1NS) && @@ -217,6 +218,17 @@ void plat_ic_set_interrupt_type(unsigned int id, unsigned int type) { gicv3_set_interrupt_type(id, plat_my_core_pos(), type); } + +void plat_ic_raise_el3_sgi(int sgi_num, u_register_t target) +{ + /* Target must be a valid MPIDR in the system */ + assert(plat_core_pos_by_mpidr(target) >= 0); + + /* Verify that this is a secure EL3 SGI */ + assert(plat_ic_get_interrupt_type(sgi_num) == INTR_TYPE_EL3); + + gicv3_raise_secure_g0_sgi(sgi_num, target); +} #endif #ifdef IMAGE_BL32 |