diff options
Diffstat (limited to 'qtmips_machine')
| -rw-r--r-- | qtmips_machine/cache.cpp | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/qtmips_machine/cache.cpp b/qtmips_machine/cache.cpp index e327d7b..8767ee1 100644 --- a/qtmips_machine/cache.cpp +++ b/qtmips_machine/cache.cpp @@ -225,13 +225,15 @@ enum LocationStatus Cache::location_status(std::uint32_t address) const { std::uint32_t index = address % ssize; std::uint32_t row = index / cnf.blocks(); - for (unsigned indx = 0; indx < cnf.associativity(); indx++) { - if (dt[indx][row].valid && dt[indx][row].tag == tag) { - if (dt[indx][row].dirty && - cnf.write_policy() == MachineConfigCache::WP_BACK) - return (enum LocationStatus)(LOCSTAT_CACHED | LOCSTAT_DIRTY); - else - return (enum LocationStatus)LOCSTAT_CACHED; + if (cnf.enabled()) { + for (unsigned indx = 0; indx < cnf.associativity(); indx++) { + if (dt[indx][row].valid && dt[indx][row].tag == tag) { + if (dt[indx][row].dirty && + cnf.write_policy() == MachineConfigCache::WP_BACK) + return (enum LocationStatus)(LOCSTAT_CACHED | LOCSTAT_DIRTY); + else + return (enum LocationStatus)LOCSTAT_CACHED; + } } } return mem->location_status(address); |