diff options
Diffstat (limited to 'src/lib')
| -rw-r--r-- | src/lib/syscall_msg.C | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/src/lib/syscall_msg.C b/src/lib/syscall_msg.C index e5a63920f..9004461c4 100644 --- a/src/lib/syscall_msg.C +++ b/src/lib/syscall_msg.C @@ -5,7 +5,7 @@ /* */ /* OpenPOWER HostBoot Project */ /* */ -/* Contributors Listed Below - COPYRIGHT 2010,2015 */ +/* Contributors Listed Below - COPYRIGHT 2010,2018 */ /* [+] International Business Machines Corp. */ /* */ /* */ @@ -151,3 +151,31 @@ msg_t* msg_wait(msg_q_t q) return (msg_t*)_syscall1(MSG_WAIT, q); } +int updateRemoteIpcAddr(uint64_t i_Node, uint64_t i_RemoteAddr) +{ + return (int64_t)_syscall2(UPDATE_REMOTE_IPC_ADDR, + (void *)i_Node, + (void *)i_RemoteAddr); +} + +int qryLocalIpcInfo(uint64_t & o_Node, uint64_t & o_Addr) +{ + // need to allocate a buffer on the heap as Kernel cannot + // store back to user stack buffer + uint64_t * l_pTmpBfr = new uint64_t[2]; + l_pTmpBfr[0] = o_Node; // seed tmp bfr with contents of out bfr + l_pTmpBfr[1] = o_Addr; // to hide the existence of the + // intermediate tmp bfr + void * l_pNode = reinterpret_cast<void *>(&l_pTmpBfr[0]); + void * l_pAddr = reinterpret_cast<void *>(&l_pTmpBfr[1]); + + void * l_retVal = _syscall2( QRY_LOCAL_IPC_INFO, + l_pNode, + l_pAddr ); + + o_Node = l_pTmpBfr[0]; + o_Addr = l_pTmpBfr[1]; + delete [] l_pTmpBfr; + + return( reinterpret_cast<int64_t>(l_retVal) ); +} |
