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Kernel - Added fast random (ala /dev/urandom), good random is stubbed
[tpg/acess2.git]
/
KernelLand
/
Kernel
/
arch
/
x86
/
mboot.c
diff --git
a/KernelLand/Kernel/arch/x86/mboot.c
b/KernelLand/Kernel/arch/x86/mboot.c
index
7403f38
..
08331a1
100644
(file)
--- a/
KernelLand/Kernel/arch/x86/mboot.c
+++ b/
KernelLand/Kernel/arch/x86/mboot.c
@@
-13,8
+13,6
@@
int Multiboot_LoadMemoryMap(tMBoot_Info *MBInfo, tVAddr MapOffset, tPMemMapEnt *Map, const int MapSize, tPAddr KStart, tPAddr KEnd)
{
int nPMemMapEnts = 0;
int Multiboot_LoadMemoryMap(tMBoot_Info *MBInfo, tVAddr MapOffset, tPMemMapEnt *Map, const int MapSize, tPAddr KStart, tPAddr KEnd)
{
int nPMemMapEnts = 0;
- tMBoot_MMapEnt *ent = (void*)((tVAddr)MBInfo->MMapAddr + MapOffset);
- tMBoot_MMapEnt *last = (void*)((tVAddr)ent + MBInfo->MMapLength);
ENTER("pMBInfo pMapOffset pMap iMapSize PKStart PKEnd",
MBInfo, MapOffset, Map, MapSize, KStart, KEnd);
ENTER("pMBInfo pMapOffset pMap iMapSize PKStart PKEnd",
MBInfo, MapOffset, Map, MapSize, KStart, KEnd);
@@
-22,6
+20,8
@@
int Multiboot_LoadMemoryMap(tMBoot_Info *MBInfo, tVAddr MapOffset, tPMemMapEnt *
// Check that the memory map is present
if( MBInfo->Flags & (1 << 6) )
{
// Check that the memory map is present
if( MBInfo->Flags & (1 << 6) )
{
+ tMBoot_MMapEnt *ent = (void*)((tVAddr)MBInfo->MMapAddr + MapOffset);
+ tMBoot_MMapEnt *last = (void*)((tVAddr)ent + MBInfo->MMapLength);
// Build up memory map
nPMemMapEnts = 0;
while( ent < last && nPMemMapEnts < MapSize )
// Build up memory map
nPMemMapEnts = 0;
while( ent < last && nPMemMapEnts < MapSize )
@@
-48,10
+48,16
@@
int Multiboot_LoadMemoryMap(tMBoot_Info *MBInfo, tVAddr MapOffset, tPMemMapEnt *
nPMemMapEnts ++;
ent = (void*)( (tVAddr)ent + ent->Size + 4 );
}
nPMemMapEnts ++;
ent = (void*)( (tVAddr)ent + ent->Size + 4 );
}
+ if( ent < last )
+ {
+ Log_Warning("MBoot", "Memory map has >%i entries, internal version is truncated",
+ MapSize);
+ }
}
else if( MBInfo->Flags & (1 << 0) )
{
Log_Warning("MBoot", "No memory map passed, using mem_lower and mem_upper");
}
else if( MBInfo->Flags & (1 << 0) )
{
Log_Warning("MBoot", "No memory map passed, using mem_lower and mem_upper");
+ ASSERT(MapSize >= 2);
nPMemMapEnts = 2;
Map[0].Start = 0;
Map[0].Length = MBInfo->LowMem * 1024;
nPMemMapEnts = 2;
Map[0].Start = 0;
Map[0].Length = MBInfo->LowMem * 1024;
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