#define FRACTAL(table1, addr) ((table1)[ (0xFF8/4*1024) + ((addr)>>22)])
#define USRFRACTAL(addr) (*((Uint32*)(0x7FDFF000) + ((addr)>>22)))
#define TLBIALL() __asm__ __volatile__ ("mcr p15, 0, %0, c8, c7, 0" : : "r" (0))
-#define TLBIMVA(addr) __asm__ __volatile__ ("mcr p15, 0, %0, c8, c7, 1" : : "r" (addr))
+#define TLBIMVA(addr) __asm__ __volatile__ ("mcr p15, 0, %0, c8, c7, 1;dsb;isb" : : "r" ((addr)&~0xFFF):"memory")
+#define DCCMVAC(addr) __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 1" : : "r" ((addr)&~0xFFF))
// === PROTOTYPES ===
void MM_int_GetTables(tVAddr VAddr, Uint32 **Table0, Uint32 **Table1);
if( (*desc & 3) == 1 ) LEAVE_RET('i', 1);
if( pi->PhysAddr == 0 ) {
*desc = 0;
- TLBIMVA(VAddr & 0xFFFFF000);
+ TLBIMVA( VAddr );
+ DCCMVAC( (tVAddr) desc );
+ #warning "HACK: TLBIALL"
+ TLBIALL();
LEAVE('i', 0);
return 0;
}
if( pi->bShared) *desc |= 1 << 10; // S
*desc |= (pi->AP & 3) << 4; // AP
*desc |= ((pi->AP >> 2) & 1) << 9; // APX
- TLBIMVA(VAddr & 0xFFFFF000);
+ TLBIMVA( VAddr );
+ #warning "HACK: TLBIALL"
+ TLBIALL();
+ DCCMVAC( (tVAddr) desc );
LEAVE('i', 0);
return 0;
}
MM_int_SetPageInfo(VAddr, &pi);
}
+int MM_IsValidBuffer(tVAddr Addr, size_t Size)
+{
+ tMM_PageInfo pi;
+ int bUser = 0;
+
+ Size += Addr & (PAGE_SIZE-1);
+ Addr &= ~(PAGE_SIZE-1);
+
+ if( MM_int_GetPageInfo(Addr, &pi) ) return 0;
+ Addr += PAGE_SIZE;
+
+ if(pi.AP != AP_KRW_ONLY && pi.AP != AP_KRO_ONLY)
+ bUser = 1;
+
+ while( Size >= PAGE_SIZE )
+ {
+ if( MM_int_GetPageInfo(Addr, &pi) )
+ return 0;
+ if(bUser && (pi.AP == AP_KRW_ONLY || pi.AP == AP_KRO_ONLY))
+ return 0;
+ Addr += PAGE_SIZE;
+ Size -= PAGE_SIZE;
+ }
+
+ return 1;
+}
+
int MM_Map(tVAddr VAddr, tPAddr PAddr)
{
tMM_PageInfo pi = {0};
tMM_PageInfo pi;
if( MM_int_GetPageInfo(VAddr, &pi) ) return ;
-
if( pi.PhysAddr == 0 ) return;
MM_DerefPhys(pi.PhysAddr);
memcpy(tmp_page, (void*)sp, 0x1000);
MM_FreeTemp( (tVAddr) tmp_page );
}
-
+
MM_FreeTemp( (tVAddr)table );
}
MM_FreeTemp( (tVAddr)new_lvl1_1 );
MM_FreeTemp( (tVAddr)new_lvl1_2 );
+// Log("MM_Clone: ret = %P", ret);
+
return ret;
}
if( MM_int_GetPageInfo(ret, &pi) == 0 )
continue;
- Log("MapTemp %P at %p by %p", PAddr, ret, __builtin_return_address(0));
+// Log("MapTemp %P at %p by %p", PAddr, ret, __builtin_return_address(0));
MM_RefPhys(PAddr); // Counter the MM_Deallocate in FreeTemp
MM_Map(ret, PAddr);
{
if( giMM_ZeroPage && Info->PhysAddr == giMM_ZeroPage )
{
- Debug("%p => %8s - 0x%7x %i %x",
+ Debug("%p => %8s - 0x%7x %i %x %s",
Start, "ZERO", Len,
- Info->Domain, Info->AP
+ Info->Domain, Info->AP,
+ Info->bGlobal ? "G" : "nG"
);
}
else
{
- Debug("%p => %8x - 0x%7x %i %x",
+ Debug("%p => %8x - 0x%7x %i %x %s",
Start, Info->PhysAddr-Len, Len,
- Info->Domain, Info->AP
+ Info->Domain, Info->AP,
+ Info->bGlobal ? "G" : "nG"
);
}
}
tMM_PageInfo pi, pi_old;
int i = 0, inRange=0;
- pi_old.Size = 0;
+ memset(&pi_old, 0, sizeof(pi_old));
Debug("Page Table Dump (%p to %p):", Start, End);
range_start = Start;
|| pi.Size != pi_old.Size
|| pi.Domain != pi_old.Domain
|| pi.AP != pi_old.AP
+ || pi.bGlobal != pi_old.bGlobal
|| pi_old.PhysAddr != pi.PhysAddr )
{
if(inRange) {
Debug("Done");
}
-// NOTE: Runs in abort context, not much differe, just a smaller stack
+// NOTE: Runs in abort context, not much difference, just a smaller stack
void MM_PageFault(Uint32 PC, Uint32 Addr, Uint32 DFSR, int bPrefetch)
{
int rv;
for(;;);
}
+ #if TRACE_COW
Log_Notice("MMVirt", "COW %p caused by %p, ZERO duped to %P (RefCnt(%i)--)", Addr, PC,
newpage, MM_GetRefCount(pi.PhysAddr));
+ #endif
MM_DerefPhys(pi.PhysAddr);
pi.PhysAddr = newpage;
memcpy( dst, src, PAGE_SIZE );
MM_FreeTemp( (tVAddr)dst );
+ #if TRACE_COW
Log_Notice("MMVirt", "COW %p caused by %p, %P duped to %P (RefCnt(%i)--)", Addr, PC,
pi.PhysAddr, newpage, MM_GetRefCount(pi.PhysAddr));
+ #endif
MM_DerefPhys(pi.PhysAddr);
pi.PhysAddr = newpage;
}
+ #if TRACE_COW
else {
Log_Notice("MMVirt", "COW %p caused by %p, took last reference to %P",
Addr, PC, pi.PhysAddr);
}
+ #endif
// Unset COW
pi.AP = AP_RW_BOTH;
MM_int_SetPageInfo(Addr, &pi);