gc-linux-cvs

[<pal...@us...>]

Update of /cvsroot/gc-linux/libgx/src
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv16342/src

Modified Files:
	gx.c 
Log Message:
Change to GX_AllocContiguousMemory which supports multiple allocations


Index: gx.c
===================================================================
RCS file: /cvsroot/gc-linux/libgx/src/gx.c,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -u -d -r1.1.1.1 -r1.2
--- gx.c	22 Oct 2004 20:13:53 -0000	1.1.1.1
+++ gx.c	24 Oct 2004 04:35:36 -0000	1.2
@@ -72,6 +72,7 @@
 static u32 mmap_length;
 static void *front_buffer;
 static void *back_buffer;
+static u32 alloc_pos = 0;
 
 static volatile u32* _piReg;
 static volatile u16* _viReg;
@@ -616,6 +617,7 @@
   }
   mmap_addr = NULL;
   mmap_length = 0;
+  alloc_pos = 0;
   gfd = -1;
 }
 
@@ -3704,7 +3706,7 @@
   pmem->length &= ~(4096-1);
   
   pmem->user_mem = mmap(0,pmem->length,PROT_READ|PROT_WRITE,MAP_SHARED,gfd,
-			0x0D000000);
+			0x0D000000 + alloc_pos);
 
   if (pmem->user_mem == NULL || pmem->user_mem == MAP_FAILED)
   {
@@ -3712,6 +3714,8 @@
     pmem->user_mem = pmem->phys_mem = NULL;
     return 1;
   }
+  /* increment position so next allocation can occur at different offset */
+  alloc_pos += pmem->length;
   /* the kernel writes the physical address in the first dword, read it */
   pmem->phys_mem = (void*)(*((u32*)pmem->user_mem));
   return 0;