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path: root/drivers/arm/gic/gic_v2.c
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Diffstat (limited to 'drivers/arm/gic/gic_v2.c')
-rw-r--r--drivers/arm/gic/gic_v2.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/arm/gic/gic_v2.c b/drivers/arm/gic/gic_v2.c
index 7904ed127..ef930074e 100644
--- a/drivers/arm/gic/gic_v2.c
+++ b/drivers/arm/gic/gic_v2.c
@@ -44,6 +44,11 @@ static unsigned int core_pos_to_gic_id(unsigned int core_pos)
/*******************************************************************************
* GIC Distributor interface accessors for reading entire registers
******************************************************************************/
+uint8_t gicd_read_itargetsr_byte(unsigned int base, unsigned int interrupt_id)
+{
+ return mmio_read_8(base + GICD_ITARGETSR + interrupt_id);
+}
+
unsigned int gicd_read_itargetsr(unsigned int base, unsigned int interrupt_id)
{
unsigned n = interrupt_id >> ITARGETSR_SHIFT;
@@ -266,12 +271,19 @@ void gicv2_set_itargetsr(unsigned int num, unsigned int core_pos)
gicd_set_itargetsr(gicd_base_addr, num, gic_cpu_id);
}
+uint8_t gicv2_read_itargetsr_value(unsigned int num)
+{
+ return gicd_read_itargetsr_byte(gicd_base_addr, num);
+}
+
void gicv2_set_itargetsr_value(unsigned int num, unsigned int val)
{
assert(gicd_base_addr);
assert(IS_SPI(num));
gicd_write_itargetsr_byte(gicd_base_addr, num, val);
+
+ assert(gicv2_read_itargetsr_value(num) == val);
}
unsigned int gicv2_gicd_get_isenabler(unsigned int num)