diff options
Diffstat (limited to 'src/dev/arm/gic_pl390.hh')
| -rw-r--r-- | src/dev/arm/gic_pl390.hh | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/dev/arm/gic_pl390.hh b/src/dev/arm/gic_pl390.hh index 2621e1a27..5b84ea92b 100644 --- a/src/dev/arm/gic_pl390.hh +++ b/src/dev/arm/gic_pl390.hh @@ -113,6 +113,10 @@ class Pl390 : public BaseGic static const int INT_BITS_MAX = 32; static const int INT_LINES_MAX = 1020; + /** MSI-X register offset and size */ + static const int MSIX_SR = 0x0; // MSI register devices will write to + static const int MSIX_SIZE = 0x4; // Size of MSI-X register space + BitUnion32(SWI) Bitfield<3,0> sgi_id; Bitfield<23,16> cpu_list; @@ -207,6 +211,10 @@ class Pl390 : public BaseGic /** IRQ Enable Used for debug */ bool irqEnable; + /** MSIX Register */ + Addr msixRegAddr; + uint32_t msixReg; + /** software generated interrupt * @param data data to decode that indicates which cpus to interrupt */ @@ -314,6 +322,11 @@ class Pl390 : public BaseGic */ Tick readCpu(PacketPtr pkt); + /** Handle a read to the MSI-X register on the GIC + * @param pkt packet to respond to + */ + Tick readMsix(PacketPtr pkt); + /** Handle a write to the distributor poriton of the GIC * @param pkt packet to respond to */ @@ -323,6 +336,11 @@ class Pl390 : public BaseGic * @param pkt packet to respond to */ Tick writeCpu(PacketPtr pkt); + + /** Handle a write to the MSI-X register on the GIC + * @param pkt packet to process + */ + Tick writeMsix(PacketPtr pkt); }; #endif //__DEV_ARM_GIC_H__ |