Changeset 25c51c8 in mainline for kernel/arch/ia64/src/mm/frame.c

Timestamp:

2011-11-21T22:40:36Z (12 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

50177dcd

Parents:

7978177c

Message:

Add ia64 support for frame_low/high_arch_init().

File:

• kernel/arch/ia64/src/mm/frame.c (modified) (1 diff)

kernel/arch/ia64/src/mm/frame.c

@@ -51 +51 @@
 #define MINCONF 1
 
+// XXX: remove me
 uintptr_t last_frame = 0;
+
+static void frame_common_arch_init(bool low)
+{
+        unsigned int i;
+
+        for (i = 0; i < bootinfo->memmap_items; i++) {
+                if (bootinfo->memmap[i].type != MEMMAP_FREE_MEM)
+                        continue;
+
+                uintptr_t base = bootinfo->memmap[i].base;
+                size_t size = bootinfo->memmap[i].size;
+                uintptr_t abase = ALIGN_UP(base, FRAME_SIZE);
+
+                if (size > FRAME_SIZE)
+                        size -= abase - base;
+
+                // FIXME: remove me
+                if (abase + size > last_frame)
+                        last_frame = abase + size;
+
+                if (!frame_adjust_zone_bounds(low, &abase, &size))
+                        continue;
+
+                if (size > MIN_ZONE_SIZE) {
+                        pfn_t pfn = ADDR2PFN(abase);
+                        size_t count = SIZE2FRAMES(size);
+
+                        if (low) {
+                                zone_create(pfn, count, max(MINCONF, pfn),
+                                    ZONE_AVAILABLE | ZONE_LOWMEM);
+                        } else {
+                                pfn_t conf;
+
+                                conf = zone_external_conf_alloc(count);
+                                zone_create(pfn, count, conf,
+                                    ZONE_AVAILABLE | ZONE_HIGHMEM);
+                        }
+                }
+        }
+}
 
 void frame_low_arch_init(void)
 {
-        if (config.cpu_active == 1) {
-                unsigned int i;
-                for (i = 0; i < bootinfo->memmap_items; i++) {
-                        if (bootinfo->memmap[i].type == MEMMAP_FREE_MEM) {
-                                uint64_t base = bootinfo->memmap[i].base;
-                                uint64_t size = bootinfo->memmap[i].size;
-                                uint64_t abase = ALIGN_UP(base, FRAME_SIZE);
+        if (config.cpu_active > 1)
+                return;
+        
+        frame_common_arch_init(true);
+        
+        /*
+         * Blacklist ROM regions.
+         */
+        frame_mark_unavailable(ADDR2PFN(ROM_BASE),
+            SIZE2FRAMES(ROM_SIZE));
 
-                                if (size > FRAME_SIZE)
-                                        size -= abase - base;
-
-                                if (size > MIN_ZONE_SIZE) {
-                                        zone_create(abase >> FRAME_WIDTH,
-                                            size >> FRAME_WIDTH,
-                                            max(MINCONF, abase >> FRAME_WIDTH),
-                                            0);
-                                }
-                                if (abase + size > last_frame)
-                                        last_frame = abase + size;
-                        }
-                }
-                
-                /*
-                 * Blacklist ROM regions.
-                 */
-                frame_mark_unavailable(ADDR2PFN(ROM_BASE),
-                    SIZE2FRAMES(ROM_SIZE));
-
-                frame_mark_unavailable(ADDR2PFN(KERNEL_RESERVED_AREA_BASE),
-                    SIZE2FRAMES(KERNEL_RESERVED_AREA_SIZE));
-        }       
+        frame_mark_unavailable(ADDR2PFN(KERNEL_RESERVED_AREA_BASE),
+            SIZE2FRAMES(KERNEL_RESERVED_AREA_SIZE));
 }
 
 void frame_high_arch_init(void)
 {
+        if (config.cpu_active > 1)
+                return;
+        
+        frame_common_arch_init(false);
 }