*
* Virtual Memory Manager
*/
+#define DEBUG 0
#include <acess.h>
#include <mm_virt.h>
#include <proc.h>
{
tPAddr tmp;
- Log("MM_Map: (VAddr=0x%x, PAddr=0x%x)", VAddr, PAddr);
+ ENTER("xVAddr xPAddr", VAddr, PAddr);
// Check PML4
//Log(" MM_Map: &PAGEMAPLVL4(%x) = %x", VAddr >> 39, &PAGEMAPLVL4(VAddr >> 39));
PAGETABLE(VAddr >> PTAB_SHIFT) = PAddr | 3;
INVLPG( VAddr );
- Log("MM_Map: RETURN 1");
-
+
+ LEAVE('i', 1);
return 1;
}
ret = MM_AllocPhys();
if(!ret) return 0;
+ Log_KernelPanic("MM", "TODO: Implement MM_Clone");
+
// #2 Alter the fractal pointer
// #3 Set Copy-On-Write to all user pages
// #4 Return
tVAddr MM_NewWorkerStack(void)
{
+ Log_KernelPanic("MM", "TODO: Implement MM_NewWorkerStack");
return 0;
}
+/**
+ * \brief Allocate a new kernel stack
+ */
tVAddr MM_NewKStack(void)
{
+ tVAddr base = MM_KSTACK_BASE;
+ Uint i;
+ for( ; base < MM_KSTACK_TOP; base += KERNEL_STACK_SIZE )
+ {
+ if(MM_GetPhysAddr(base) != 0)
+ continue;
+
+ Log("MM_NewKStack: Found one at %p", base + KERNEL_STACK_SIZE);
+ for( i = 0; i < KERNEL_STACK_SIZE; i += 0x1000)
+ MM_Allocate(base+i);
+
+ return base + KERNEL_STACK_SIZE;
+ }
+ Log_Warning("MM", "MM_NewKStack - No address space left\n");
return 0;
}