void PageTable2 (TPageTable *This, uint32 MemSize)
{
This->TableAllocated = true;
This->Table = (TARMV6MMU_LEVEL1_SECTION_DESCRIPTOR *) PageAlloc();
for (unsigned EntryIndex = 0; EntryIndex < SDRAM_SIZE_MBYTE; EntryIndex++)
{
uint32 BaseAddress = MEGABYTE * EntryIndex;
TARMV6MMU_LEVEL1_SECTION_DESCRIPTOR* Entry = &This->Table[EntryIndex];
Entry->Value10 = 2;
Entry->BBit = 1;
Entry->CBit = 1;
Entry->XNBit = 0;
Entry->Domain = 0;
Entry->IMPBit = 0;
Entry->AP = AP_SYSTEM_ACCESS;
Entry->TEX = 0;
Entry->APXBit = APX_RW_ACCESS;
Entry->SBit = 0;
Entry->NGBit = 0;
Entry->Value0 = 0;
Entry->SBZ = 0;
Entry->Base = ARMV6MMUL1SECTIONBASE(BaseAddress);
}
CleanDataCache ();
DataSyncBarrier ();
}
void PageTable(TPageTable* This)
{
This->TableAllocated = false;
This->Table = (TARMV6MMU_LEVEL1_SECTION_DESCRIPTOR*) MEM_PAGE_TABLE1;
for (unsigned EntryIndex = 0; EntryIndex < 4096; EntryIndex++)
{
uint32 nBaseAddress = MEGABYTE * EntryIndex;
TARMV6MMU_LEVEL1_SECTION_DESCRIPTOR* Entry = &This->Table[EntryIndex];
Entry->Value10 = 2;
Entry->BBit = 1;
Entry->CBit = 0;
Entry->XNBit = 0;
Entry->Domain = 0;
Entry->IMPBit = 0;
Entry->AP = AP_SYSTEM_ACCESS;
Entry->TEX = 0;
Entry->APXBit = APX_RW_ACCESS;
Entry->SBit = 0;
Entry->NGBit = 0;
Entry->Value0 = 0;
Entry->SBZ = 0;
Entry->Base = ARMV6MMUL1SECTIONBASE(nBaseAddress);
}
CleanDataCache ();
DataSyncBarrier ();
}
void PageTable2 (TPageTable *pThis, u32 nMemSize)
{
assert (pThis != 0);
pThis->m_bTableAllocated = TRUE;
pThis->m_pTable = (TARMV6MMU_LEVEL1_SECTION_DESCRIPTOR *) palloc ();
assert (pThis->m_pTable != 0);
assert (((u32) pThis->m_pTable & 0xFFF) == 0);
for (unsigned nEntry = 0; nEntry < SDRAM_SIZE_MBYTE; nEntry++)
{
u32 nBaseAddress = MEGABYTE * nEntry;
TARMV6MMU_LEVEL1_SECTION_DESCRIPTOR *pEntry = &pThis->m_pTable[nEntry];
// outer and inner write back, no write allocate
pEntry->Value10 = 2;
pEntry->BBit = 1;
pEntry->CBit = 1;
pEntry->XNBit = 0;
pEntry->Domain = 0;
pEntry->IMPBit = 0;
pEntry->AP = AP_SYSTEM_ACCESS;
pEntry->TEX = 0;
pEntry->APXBit = APX_RW_ACCESS;
pEntry->SBit = 0;
pEntry->NGBit = 0;
pEntry->Value0 = 0;
pEntry->SBZ = 0;
pEntry->Base = ARMV6MMUL1SECTIONBASE (nBaseAddress);
extern u8 _etext;
if (nBaseAddress >= (u32) &_etext)
{
pEntry->XNBit = 1;
if (nBaseAddress >= nMemSize)
{
// shared device
pEntry->BBit = 1;
pEntry->CBit = 0;
pEntry->TEX = 0;
pEntry->SBit = 1;
}
}
}
CleanDataCache ();
DataSyncBarrier ();
}
void PageTable (TPageTable *pThis)
{
assert (pThis != 0);
pThis->m_bTableAllocated = FALSE;
pThis->m_pTable = (TARMV6MMU_LEVEL1_SECTION_DESCRIPTOR *) MEM_PAGE_TABLE1;
assert (((u32) pThis->m_pTable & 0x3FFF) == 0);
for (unsigned nEntry = 0; nEntry < 4096; nEntry++)
{
u32 nBaseAddress = MEGABYTE * nEntry;
TARMV6MMU_LEVEL1_SECTION_DESCRIPTOR *pEntry = &pThis->m_pTable[nEntry];
// shared device
pEntry->Value10 = 2;
pEntry->BBit = 1;
pEntry->CBit = 0;
pEntry->XNBit = 0;
pEntry->Domain = 0;
pEntry->IMPBit = 0;
pEntry->AP = AP_SYSTEM_ACCESS;
pEntry->TEX = 0;
pEntry->APXBit = APX_RW_ACCESS;
pEntry->SBit = 1;
pEntry->NGBit = 0;
pEntry->Value0 = 0;
pEntry->SBZ = 0;
pEntry->Base = ARMV6MMUL1SECTIONBASE (nBaseAddress);
if (nEntry >= SDRAM_SIZE_MBYTE)
{
pEntry->XNBit = 1;
}
}
CleanDataCache ();
DataSyncBarrier ();
}
