diff options
Diffstat (limited to 'hw/intc')
| -rw-r--r-- | hw/intc/arm_gicv3_its.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/hw/intc/arm_gicv3_its.c b/hw/intc/arm_gicv3_its.c index d9ff7b8..b17f263 100644 --- a/hw/intc/arm_gicv3_its.c +++ b/hw/intc/arm_gicv3_its.c @@ -813,6 +813,18 @@ static void extract_cmdq_params(GICv3ITSState *s) } } +static MemTxResult gicv3_its_translation_read(void *opaque, hwaddr offset, + uint64_t *data, unsigned size, + MemTxAttrs attrs) +{ + /* + * GITS_TRANSLATER is write-only, and all other addresses + * in the interrupt translation space frame are RES0. + */ + *data = 0; + return MEMTX_OK; +} + static MemTxResult gicv3_its_translation_write(void *opaque, hwaddr offset, uint64_t data, unsigned size, MemTxAttrs attrs) @@ -1168,6 +1180,7 @@ static const MemoryRegionOps gicv3_its_control_ops = { }; static const MemoryRegionOps gicv3_its_translation_ops = { + .read_with_attrs = gicv3_its_translation_read, .write_with_attrs = gicv3_its_translation_write, .valid.min_access_size = 2, .valid.max_access_size = 4, |