diff options
Diffstat (limited to 'src/kernel/vmmmgr.C')
| -rw-r--r-- | src/kernel/vmmmgr.C | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/src/kernel/vmmmgr.C b/src/kernel/vmmmgr.C index 48675c398..8a55f56c7 100644 --- a/src/kernel/vmmmgr.C +++ b/src/kernel/vmmmgr.C @@ -32,9 +32,11 @@ #include <kernel/basesegment.H> #include <kernel/stacksegment.H> #include <kernel/devicesegment.H> +#include <config.h> extern void* data_load_address; +uint64_t VmmManager::g_patb[2]; VmmManager::VmmManager() : lock() { @@ -56,8 +58,12 @@ void VmmManager::init() SegmentManager::initSLB(); v.initPTEs(); - v.initSDR1(); +#ifdef CONFIG_P9_PAGE_TABLE + v.initPartitionTable(); +#else + v.initSDR1(); +#endif }; void VmmManager::init_slb() @@ -65,7 +71,11 @@ void VmmManager::init_slb() VmmManager& v = Singleton<VmmManager>::instance(); SegmentManager::initSLB(); +#ifdef CONFIG_P9_PAGE_TABLE + v.initPartitionTable(); +#else v.initSDR1(); +#endif } bool VmmManager::pteMiss(task_t* t, uint64_t effAddr, bool store) @@ -109,6 +119,22 @@ void VmmManager::initPTEs() // handler will add as-needed. } +void VmmManager::initPartitionTable() +{ + // Use SLB, not In-Memory Segment Tables (Process Table) + // Set LPCR[41] (UPRT) = 0 + setLPCR(getLPCR() & (~0x0000000000400000)); + + // Set the first partition table entry (PATE) + // HTABORG, HTABSIZE = 0 (11 bits, 256k table) + g_patb[0] = HTABORG(); + g_patb[1] = 0x0; + + // Init the PTCR reg + // PATB, PATS = 0 (4k table) + setPTCR( reinterpret_cast<uint64_t>(g_patb) ); +} + void VmmManager::initSDR1() { // HTABORG, HTABSIZE = 0 (11 bits, 256k table) |
