diff options
Diffstat (limited to 'src/usr/targeting/common/util.C')
| -rw-r--r-- | src/usr/targeting/common/util.C | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/usr/targeting/common/util.C b/src/usr/targeting/common/util.C index a53f2c88a..d592d411f 100644 --- a/src/usr/targeting/common/util.C +++ b/src/usr/targeting/common/util.C @@ -32,6 +32,7 @@ //****************************************************************************** #include <targeting/common/attributes.H> #include <targeting/common/targetservice.H> +#include <targeting/common/utilFilter.H> namespace TARGETING { @@ -194,5 +195,43 @@ bool is_avp_load(void) || (mnfg_flags & TARGETING::MNFG_FLAG_BIT_MNFG_HDAT_AVP_ENABLE)); } +/** + * @brief Utility function to obtain the highest known address in the system + */ +uint64_t get_top_mem_addr(void) +{ + uint64_t top_addr = 0; + + do + { + // Get all functional proc chip targets + TARGETING::TargetHandleList l_cpuTargetList; + TARGETING::getAllChips(l_cpuTargetList, TYPE_PROC); + + for ( size_t proc = 0; proc < l_cpuTargetList.size(); proc++ ) + { + TARGETING::Target * l_pProc = l_cpuTargetList[proc]; + + //Not checking success here as fail results in no change to + // top_addr + uint64_t l_mem_bases[8] = {0,}; + uint64_t l_mem_sizes[8] = {0,}; + l_pProc->tryGetAttr<TARGETING::ATTR_PROC_MEM_BASES>(l_mem_bases); + l_pProc->tryGetAttr<TARGETING::ATTR_PROC_MEM_SIZES>(l_mem_sizes); + + for (size_t i=0; i< 8; i++) + { + if(l_mem_sizes[i]) //non zero means that there is memory present + { + top_addr = std::max(top_addr, + l_mem_bases[i] + l_mem_sizes[i]); + } + } + } + }while(0); + + return top_addr; +} + } |
