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Diffstat (limited to 'src/arch/x86/system.cc')
-rw-r--r--src/arch/x86/system.cc43
1 files changed, 22 insertions, 21 deletions
diff --git a/src/arch/x86/system.cc b/src/arch/x86/system.cc
index d287e3947..ca13fd5ce 100644
--- a/src/arch/x86/system.cc
+++ b/src/arch/x86/system.cc
@@ -48,7 +48,7 @@
#include "base/intmath.hh"
#include "base/trace.hh"
#include "cpu/thread_context.hh"
-#include "mem/physical.hh"
+#include "mem/port_proxy.hh"
#include "params/X86System.hh"
#include "sim/byteswap.hh"
@@ -61,8 +61,6 @@ X86System::X86System(Params *p) :
mpConfigTable(p->intel_mp_table),
rsdp(p->acpi_description_table_pointer)
{
- if (kernel->getArch() == ObjectFile::I386)
- fatal("Loading a 32 bit x86 kernel is not supported.\n");
}
static void
@@ -116,6 +114,9 @@ X86System::initState()
{
System::initState();
+ if (kernel->getArch() == ObjectFile::I386)
+ fatal("Loading a 32 bit x86 kernel is not supported.\n");
+
ThreadContext *tc = threadContexts[0];
// This is the boot strap processor (BSP). Initialize it to look like
// the boot loader has just turned control over to the 64 bit OS. We
@@ -137,8 +138,8 @@ X86System::initState()
const int PDPTBits = 9;
const int PDTBits = 9;
- // Get a port to write the page tables and descriptor tables.
- FunctionalPort * physPort = tc->getPhysPort();
+ // Get a port proxy to write the page tables and descriptor tables.
+ PortProxy* physProxy = tc->getPhysProxy();
/*
* Set up the gdt.
@@ -146,7 +147,7 @@ X86System::initState()
uint8_t numGDTEntries = 0;
// Place holder at selector 0
uint64_t nullDescriptor = 0;
- physPort->writeBlob(GDTBase + numGDTEntries * 8,
+ physProxy->writeBlob(GDTBase + numGDTEntries * 8,
(uint8_t *)(&nullDescriptor), 8);
numGDTEntries++;
@@ -168,7 +169,7 @@ X86System::initState()
//it's beginning in memory and it's actual data, we'll use an
//intermediary.
uint64_t csDescVal = csDesc;
- physPort->writeBlob(GDTBase + numGDTEntries * 8,
+ physProxy->writeBlob(GDTBase + numGDTEntries * 8,
(uint8_t *)(&csDescVal), 8);
numGDTEntries++;
@@ -191,7 +192,7 @@ X86System::initState()
dsDesc.limitHigh = 0xF;
dsDesc.limitLow = 0xFF;
uint64_t dsDescVal = dsDesc;
- physPort->writeBlob(GDTBase + numGDTEntries * 8,
+ physProxy->writeBlob(GDTBase + numGDTEntries * 8,
(uint8_t *)(&dsDescVal), 8);
numGDTEntries++;
@@ -219,7 +220,7 @@ X86System::initState()
tssDesc.limitHigh = 0xF;
tssDesc.limitLow = 0xFF;
uint64_t tssDescVal = tssDesc;
- physPort->writeBlob(GDTBase + numGDTEntries * 8,
+ physProxy->writeBlob(GDTBase + numGDTEntries * 8,
(uint8_t *)(&tssDescVal), 8);
numGDTEntries++;
@@ -249,24 +250,24 @@ X86System::initState()
// read/write, user, not present
uint64_t pml4e = X86ISA::htog(0x6);
for (int offset = 0; offset < (1 << PML4Bits) * 8; offset += 8) {
- physPort->writeBlob(PageMapLevel4 + offset, (uint8_t *)(&pml4e), 8);
+ physProxy->writeBlob(PageMapLevel4 + offset, (uint8_t *)(&pml4e), 8);
}
// Point to the only PDPT
pml4e = X86ISA::htog(0x7 | PageDirPtrTable);
- physPort->writeBlob(PageMapLevel4, (uint8_t *)(&pml4e), 8);
+ physProxy->writeBlob(PageMapLevel4, (uint8_t *)(&pml4e), 8);
// Page Directory Pointer Table
// read/write, user, not present
uint64_t pdpe = X86ISA::htog(0x6);
for (int offset = 0; offset < (1 << PDPTBits) * 8; offset += 8) {
- physPort->writeBlob(PageDirPtrTable + offset,
+ physProxy->writeBlob(PageDirPtrTable + offset,
(uint8_t *)(&pdpe), 8);
}
// Point to the PDTs
for (int table = 0; table < NumPDTs; table++) {
pdpe = X86ISA::htog(0x7 | PageDirTable[table]);
- physPort->writeBlob(PageDirPtrTable + table * 8,
+ physProxy->writeBlob(PageDirPtrTable + table * 8,
(uint8_t *)(&pdpe), 8);
}
@@ -278,7 +279,7 @@ X86System::initState()
for (int offset = 0; offset < (1 << PDTBits) * 8; offset += 8) {
// read/write, user, present, 4MB
uint64_t pdte = X86ISA::htog(0x87 | base);
- physPort->writeBlob(PageDirTable[table] + offset,
+ physProxy->writeBlob(PageDirTable[table] + offset,
(uint8_t *)(&pdte), 8);
base += pageSize;
}
@@ -341,8 +342,8 @@ void
X86System::writeOutSMBiosTable(Addr header,
Addr &headerSize, Addr &structSize, Addr table)
{
- // Get a port to write the table and header to memory.
- FunctionalPort * physPort = threadContexts[0]->getPhysPort();
+ // Get a port proxy to write the table and header to memory.
+ PortProxy* physProxy = threadContexts[0]->getPhysProxy();
// If the table location isn't specified, just put it after the header.
// The header size as of the 2.5 SMBios specification is 0x1F bytes
@@ -350,7 +351,7 @@ X86System::writeOutSMBiosTable(Addr header,
table = header + 0x1F;
smbiosTable->setTableAddr(table);
- smbiosTable->writeOut(physPort, header, headerSize, structSize);
+ smbiosTable->writeOut(physProxy, header, headerSize, structSize);
// Do some bounds checking to make sure we at least didn't step on
// ourselves.
@@ -362,8 +363,8 @@ void
X86System::writeOutMPTable(Addr fp,
Addr &fpSize, Addr &tableSize, Addr table)
{
- // Get a port to write the table and header to memory.
- FunctionalPort * physPort = threadContexts[0]->getPhysPort();
+ // Get a port proxy to write the table and header to memory.
+ PortProxy* physProxy = threadContexts[0]->getPhysProxy();
// If the table location isn't specified and it exists, just put
// it after the floating pointer. The fp size as of the 1.4 Intel MP
@@ -374,9 +375,9 @@ X86System::writeOutMPTable(Addr fp,
mpFloatingPointer->setTableAddr(table);
}
- fpSize = mpFloatingPointer->writeOut(physPort, fp);
+ fpSize = mpFloatingPointer->writeOut(physProxy, fp);
if (mpConfigTable)
- tableSize = mpConfigTable->writeOut(physPort, table);
+ tableSize = mpConfigTable->writeOut(physProxy, table);
else
tableSize = 0;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 11:13:43 +0000