diff options
Diffstat (limited to 'src/kernel/ipc.C')
| -rw-r--r-- | src/kernel/ipc.C | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/src/kernel/ipc.C b/src/kernel/ipc.C index e7a9ead9a..f7df4aacb 100644 --- a/src/kernel/ipc.C +++ b/src/kernel/ipc.C @@ -5,7 +5,7 @@ /* */ /* OpenPOWER HostBoot Project */ /* */ -/* Contributors Listed Below - COPYRIGHT 2013,2016 */ +/* Contributors Listed Below - COPYRIGHT 2013,2018 */ /* [+] International Business Machines Corp. */ /* */ /* */ @@ -28,6 +28,7 @@ #include <kernel/intmsghandler.H> #include <kernel/console.H> #include <errno.h> +#include <kernel/doorbell.H> using namespace KernelIpc; @@ -55,10 +56,10 @@ int KernelIpc::send(uint64_t i_q, msg_t * i_msg) // single node system with an alt-master could be designed such that the // alt-master were on a different logical (power bus numbering) node. // Since it's not in plan to use this IPC mechanism in a single node - // system, this case will ge ignored for now. + // system, this case will get ignored for now. uint64_t this_node = getPIR()/KERNEL_MAX_SUPPORTED_CPUS_PER_NODE; uint64_t hrmor_offset = getHRMOR()-(this_node*(ipc_data_area.hrmor_base)); - uint64_t dest_node = (i_q >> 32) & 0x07; + uint64_t dest_node = (i_q >> 32) & 0x07; uint64_t dest_hrmor = (ipc_data_area.hrmor_base*dest_node) + hrmor_offset; uint64_t dest_addr = reinterpret_cast<uint64_t>(&ipc_data_area); @@ -68,7 +69,7 @@ int KernelIpc::send(uint64_t i_q, msg_t * i_msg) printkd("IPC Dest addr %lx Q_id:%lx\n",dest_addr,i_q); // pointer to the ipc_data_area in the destination node - ipc_data_area_t * p_dest = + ipc_data_area_t * p_dest = reinterpret_cast<ipc_data_area_t*>(dest_addr); // get lock on IPC data area in other node @@ -87,11 +88,8 @@ int KernelIpc::send(uint64_t i_q, msg_t * i_msg) printkd("IPC send from PIR %lx to PIR %x\n",getPIR(),p_dest->pir); - /* TODO RTC 150861 - // send IPI - use this_node + 10 as favor level of interrupt - //P8 Call: InterruptMsgHdlr::sendIPI(p_dest->pir,this_node + 0x10); - //P9 Call (likely): send_doorbell_ipc(p_dest->pir); - **/ + // send doorbell to interrupt the other drawer + send_doorbell_ipc(p_dest->pir); // The message allocation is freed here to make msg_send for IPC // messages behave the same as non-IPC msg_send; that is, the message |
