Changes in kernel/arch/ppc32/src/mm/frame.c [7852625:7e752b2] in mainline

File:

• kernel/arch/ppc32/src/mm/frame.c (modified) (4 diffs)

kernel/arch/ppc32/src/mm/frame.c

@@ -40 +40 @@
 #include <print.h>
 
+uintptr_t last_frame = 0;
 memmap_t memmap;
 
@@ -53 +54 @@
 }
 
-static void frame_common_arch_init(bool low)
+void frame_arch_init(void)
 {
         pfn_t minconf = 2;
@@ -60 +61 @@
         for (i = 0; i < memmap.cnt; i++) {
                 /* To be safe, make the available zone possibly smaller */
-                uintptr_t base = ALIGN_UP((uintptr_t) memmap.zones[i].start,
+                uintptr_t new_start = ALIGN_UP((uintptr_t) memmap.zones[i].start,
                     FRAME_SIZE);
-                size_t size = ALIGN_DOWN(memmap.zones[i].size -
-                    (base - ((uintptr_t) memmap.zones[i].start)), FRAME_SIZE);
+                size_t new_size = ALIGN_DOWN(memmap.zones[i].size -
+                    (new_start - ((uintptr_t) memmap.zones[i].start)), FRAME_SIZE);
                 
-                if (!frame_adjust_zone_bounds(low, &base, &size))
-                        return;
-
-                pfn_t pfn = ADDR2PFN(base);
-                size_t count = SIZE2FRAMES(size);
+                pfn_t pfn = ADDR2PFN(new_start);
+                size_t count = SIZE2FRAMES(new_size);
+                
                 pfn_t conf;
-
-                if (low) {
-                        if ((minconf < pfn) || (minconf >= pfn + count))
-                                conf = pfn;
-                        else
-                                conf = minconf;
-                        zone_create(pfn, count, conf,
-                            ZONE_AVAILABLE | ZONE_LOWMEM);
-                } else {
-                        conf = zone_external_conf_alloc(count);
-                        if (conf != 0)
-                                zone_create(pfn, count, conf,
-                                    ZONE_AVAILABLE | ZONE_HIGHMEM);
-                }
+                if ((minconf < pfn) || (minconf >= pfn + count))
+                        conf = pfn;
+                else
+                        conf = minconf;
+                
+                zone_create(pfn, count, conf, 0);
+                
+                if (last_frame < ALIGN_UP(new_start + new_size, FRAME_SIZE))
+                        last_frame = ALIGN_UP(new_start + new_size, FRAME_SIZE);
         }
-        
-}
-
-void frame_low_arch_init(void)
-{
-        frame_common_arch_init(true);
         
         /* First is exception vector, second is 'implementation specific',
@@ -104 +92 @@
 }
 
-void frame_high_arch_init(void)
-{
-        frame_common_arch_init(false);
-}
-
 /** @}
  */