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Page allocator functionnal #67

This commit is contained in:
Adrien Bourmault 2020-01-14 17:07:23 +01:00
parent 2bec082b2d
commit d13472712d
2 changed files with 13 additions and 8 deletions
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3
include/mm/palloc.h
View File

@ -37,6 +37,9 @@ typedef struct AllocatedPage_t{
struct AllocatedPage_t *next; struct AllocatedPage_t *next;
} AllocatedPage_t; } AllocatedPage_t;
#define CONTIGUOUS true
#define NORMAL false
//----------------------------------------------------------------------------// //----------------------------------------------------------------------------//
ulong MmAllocPageFrame(void **frameListPtr, size_t *pageNumber, size_t size, bool contiguous); ulong MmAllocPageFrame(void **frameListPtr, size_t *pageNumber, size_t size, bool contiguous);

18
kaleid/kernel/mm/palloc.c
View File

@ -143,6 +143,9 @@ ulong MmAllocPageFrame(void **frameListPtr, size_t *pageNumber, size_t size, boo
return id; return id;
} }
//
// Frees a page frame by its id
//
void MmFreePageFrame(ulong id) void MmFreePageFrame(ulong id)
{ {
AllocatedPage_t *busyPage = &busyPagesList; AllocatedPage_t *busyPage = &busyPagesList;
@ -164,27 +167,27 @@ error_t MmTestBusyPage(void)
DebugLog("\nAlloc 6677 bytes\n"); DebugLog("\nAlloc 6677 bytes\n");
void **ptr = NULL; void **ptr = NULL;
size_t n = 0; size_t n = 0;
ulong id1 = MmAllocPageFrame (ptr, &n, 6677, false); ulong id1 = MmAllocPageFrame (ptr, &n, 6677, NORMAL);
DebugLog("\nAlloc 9045 bytes\n"); DebugLog("\nAlloc 9045 bytes\n");
void **ptr2 = NULL; void **ptr2 = NULL;
size_t n2 = 0; size_t n2 = 0;
ulong id2 = MmAllocPageFrame (ptr2, &n2, 9045, false); ulong id2 = MmAllocPageFrame (ptr2, &n2, 9045, NORMAL);
DebugLog("\nAlloc 1200 bytes\n"); DebugLog("\nAlloc 1200 bytes\n");
void **ptr3 = NULL; void **ptr3 = NULL;
size_t n3 = 0; size_t n3 = 0;
ulong id3 = MmAllocPageFrame (ptr3, &n3, 1200, false); ulong id3 = MmAllocPageFrame (ptr3, &n3, 1200, NORMAL);
DebugLog("\nAlloc 4096 bytes\n"); DebugLog("\nAlloc 4096 bytes\n");
void **ptr4 = NULL; void **ptr4 = NULL;
size_t n4 = 0; size_t n4 = 0;
ulong id4 = MmAllocPageFrame (ptr3, &n3, 4096, false); ulong id4 = MmAllocPageFrame (ptr3, &n3, 4096, NORMAL);
DebugLog("\nAlloc 4097 bytes\n"); DebugLog("\nAlloc 4097 bytes\n");
void **ptr5 = NULL; void **ptr5 = NULL;
size_t n5 = 0; size_t n5 = 0;
ulong id5 = MmAllocPageFrame (ptr3, &n3, 4097, false); ulong id5 = MmAllocPageFrame (ptr3, &n3, 4097, NORMAL);
printBusyPages(); printBusyPages();
@ -195,7 +198,7 @@ error_t MmTestBusyPage(void)
DebugLog("\nAlloc 10000 bytes\n"); DebugLog("\nAlloc 10000 bytes\n");
void **ptr6 = NULL; void **ptr6 = NULL;
size_t n6 = 0; size_t n6 = 0;
ulong id6 = MmAllocPageFrame (ptr3, &n3, 10000, false); ulong id6 = MmAllocPageFrame (ptr3, &n3, 10000, NORMAL);
printBusyPages(); printBusyPages();
@ -207,10 +210,9 @@ error_t MmTestBusyPage(void)
DebugLog("\nAlloc 10000 bytes contiguous\n"); DebugLog("\nAlloc 10000 bytes contiguous\n");
void **ptr7 = NULL; void **ptr7 = NULL;
size_t n7 = 0; size_t n7 = 0;
ulong id7 = MmAllocPageFrame (ptr3, &n3, 10000, true); ulong id7 = MmAllocPageFrame (ptr3, &n3, 10000, CONTIGUOUS);
printBusyPages(); printBusyPages();
return EOK; return EOK;
} }