diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/arch/x86/pagetable_walker.hh | 1 | ||||
-rw-r--r-- | src/arch/x86/system.cc | 1 | ||||
-rw-r--r-- | src/arch/x86/vtophys.cc | 29 | ||||
-rw-r--r-- | src/arch/x86/vtophys.hh | 3 |
4 files changed, 28 insertions, 6 deletions
diff --git a/src/arch/x86/pagetable_walker.hh b/src/arch/x86/pagetable_walker.hh index 38ce6ce02..68f85be93 100644 --- a/src/arch/x86/pagetable_walker.hh +++ b/src/arch/x86/pagetable_walker.hh @@ -48,6 +48,7 @@ #include "mem/mem_object.hh" #include "mem/packet.hh" #include "params/X86PagetableWalker.hh" +#include "sim/faults.hh" class ThreadContext; diff --git a/src/arch/x86/system.cc b/src/arch/x86/system.cc index 3fc16e729..20ee484fb 100644 --- a/src/arch/x86/system.cc +++ b/src/arch/x86/system.cc @@ -39,6 +39,7 @@ #include "arch/x86/bios/smbios.hh" #include "arch/x86/bios/intelmp.hh" +#include "arch/x86/isa_traits.hh" #include "arch/x86/regs/misc.hh" #include "arch/x86/system.hh" #include "arch/vtophys.hh" diff --git a/src/arch/x86/vtophys.cc b/src/arch/x86/vtophys.cc index e0bb6c993..3a6932564 100644 --- a/src/arch/x86/vtophys.cc +++ b/src/arch/x86/vtophys.cc @@ -39,19 +39,42 @@ #include <string> +#include "arch/x86/pagetable_walker.hh" +#include "arch/x86/tlb.hh" #include "arch/x86/vtophys.hh" +#include "base/trace.hh" +#include "config/full_system.hh" +#include "cpu/thread_context.hh" +#include "sim/fault.hh" using namespace std; namespace X86ISA { - Addr vtophys(Addr vaddr) + Addr + vtophys(Addr vaddr) { +#if FULL_SYSTEM + panic("Need access to page tables\n"); +#endif return vaddr; } - Addr vtophys(ThreadContext *tc, Addr addr) + Addr + vtophys(ThreadContext *tc, Addr vaddr) { - return addr; +#if FULL_SYSTEM + Walker *walker = tc->getDTBPtr()->getWalker(); + Addr size; + Addr addr = vaddr; + Fault fault = walker->startFunctional(tc, addr, size, BaseTLB::Read); + if (fault != NoFault) + panic("vtophys page walk returned fault\n"); + Addr masked_addr = vaddr & (size - 1); + Addr paddr = addr | masked_addr; + DPRINTF(VtoPhys, "vtophys(%#x) -> %#x\n", vaddr, paddr); + return paddr; +#endif + return vaddr; } } diff --git a/src/arch/x86/vtophys.hh b/src/arch/x86/vtophys.hh index 8b8ddf467..10522313c 100644 --- a/src/arch/x86/vtophys.hh +++ b/src/arch/x86/vtophys.hh @@ -40,12 +40,9 @@ #ifndef __ARCH_X86_VTOPHYS_HH__ #define __ARCH_X86_VTOPHYS_HH__ -#include "arch/x86/isa_traits.hh" -#include "arch/x86/pagetable.hh" #include "base/types.hh" class ThreadContext; -class FunctionalPort; namespace X86ISA { |