diff options
Diffstat (limited to 'src/sbefw/core')
| -rw-r--r-- | src/sbefw/core/sbeSecurity.C | 27 | ||||
| -rw-r--r-- | src/sbefw/core/sbeSecurity.H | 13 |
2 files changed, 39 insertions, 1 deletions
diff --git a/src/sbefw/core/sbeSecurity.C b/src/sbefw/core/sbeSecurity.C index 3e0090df..af083337 100644 --- a/src/sbefw/core/sbeSecurity.C +++ b/src/sbefw/core/sbeSecurity.C @@ -5,7 +5,8 @@ /* */ /* OpenPOWER sbe Project */ /* */ -/* Contributors Listed Below - COPYRIGHT 2017 */ +/* Contributors Listed Below - COPYRIGHT 2017,2018 */ +/* [+] International Business Machines Corp. */ /* */ /* */ /* Licensed under the Apache License, Version 2.0 (the "License"); */ @@ -139,6 +140,30 @@ bool _is_present(const table< map_t< range_t<M1_T>, M1_U > > &table1, #undef SBE_FUNC } +template <typename T1, typename T2 > +bool _is_present(const table< map_t< T1, T2 > > &table1, + const T1 i_addr, + const T2 i_mask) +{ +#define SBE_FUNC "SBE_SECURITY::_is_present " + SBE_ENTER(SBE_FUNC"Searching address/mask table"); + bool ret = false; + for(size_t i = 0; i < table1.size; i++) + { + // Not using mask in table for search + if((table1.table[i].key == i_addr) && + (( i_mask & (~table1.table[i].value)) == 0 )) + { + SBE_DEBUG(SBE_FUNC" table1:found addr[0x%x] table index[%d]", + i_addr, i); + ret = true; + break; + } + } + SBE_EXIT(SBE_FUNC); + return ret; +#undef SBE_FUNC +} bool isAllowed(const uint32_t i_addr, accessType type) { bool ret = true; diff --git a/src/sbefw/core/sbeSecurity.H b/src/sbefw/core/sbeSecurity.H index f9aa627f..6312aefe 100644 --- a/src/sbefw/core/sbeSecurity.H +++ b/src/sbefw/core/sbeSecurity.H @@ -88,5 +88,18 @@ namespace SBE_SECURITY const table< map_t<M2_T, M2_U> > &table2, const table< T3 > &table3, const uint32_t i_addr); + + /* @brief _is_present - Look up tables to find if the given + * address with mask is present + * @param[in] table1 - table 1 - map with a range and running count + * @param[in] i_addr - given address to look up + * @param[in] mask - mask to look up + * + * @return - boolean to denote if the address in present + */ + template <typename T1, typename T2 > + bool _is_present(const table< map_t< T1, T2 > > &table1, + const T1 i_addr, + const T2 i_mask); } #endif //__SBE_SECURITY_H |
