Changeset a9ac978 in mainline for kernel/arch/sparc64/src/mm/frame.c

Timestamp:

2006-09-27T20:11:34Z (18 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

00b38a3

Parents:

86b31ba9

Message:

SMP stuff for sparc64.
Almost complete except for IPIs.
The absence of IPI support deadlocks
the kernel when more CPUs are configured.

File:

• kernel/arch/sparc64/src/mm/frame.c (modified) (1 diff)

kernel/arch/sparc64/src/mm/frame.c

@@ -54 +54 @@
         pfn_t confdata;
 
-        for (i = 0; i < bootinfo.memmap.count; i++) {
-                uintptr_t start = bootinfo.memmap.zones[i].start;
-                size_t size = bootinfo.memmap.zones[i].size;
+        if (config.cpu_active == 1) {
+                for (i = 0; i < bootinfo.memmap.count; i++) {
+                        uintptr_t start = bootinfo.memmap.zones[i].start;
+                        size_t size = bootinfo.memmap.zones[i].size;
 
-                /*
-                 * The memmap is created by HelenOS boot loader.
-                 * It already contains no holes.
-                 */
+                        /*
+                         * The memmap is created by HelenOS boot loader.
+                         * It already contains no holes.
+                         */
         
-                confdata = ADDR2PFN(start);
-                if (confdata == 0)
-                        confdata = 2;
-                zone_create(ADDR2PFN(start), SIZE2FRAMES(ALIGN_DOWN(size, FRAME_SIZE)), confdata, 0);
+                        confdata = ADDR2PFN(start);
+                        if (confdata == 0)
+                                confdata = 2;
+                        zone_create(ADDR2PFN(start), SIZE2FRAMES(ALIGN_DOWN(size, FRAME_SIZE)), confdata, 0);
                 
-                last_frame = max(last_frame, start + ALIGN_UP(size, FRAME_SIZE));
+                        last_frame = max(last_frame, start + ALIGN_UP(size, FRAME_SIZE));
+                }
         }