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};
int i = 0, inRange=0;
pi_old.Size = 0;
+ pi_old.AP = 0;
+ pi_old.PhysAddr = 0;
Debug("Page Table Dump (%p to %p):", Start, End);
range_start = Start;