Changeset dfd9186 in mainline

Timestamp:

2006-01-04T18:35:07Z (19 years ago)

Author:

Sergey Bondari <bondari@…>

Branches:

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

Children:

96cacc1

Parents:

5fe5f1e

Message:

Memory zones console command implementation. todo: buddy allocator structures.

Location:

generic

Files:

• include/mm/frame.h (modified) (1 diff)
• src/console/cmd.c (modified) (2 diffs)
• src/mm/frame.c (modified) (1 diff)

generic/include/mm/frame.h

@@ -109 +109 @@
 extern void frame_release(frame_t *frame);
 
+
+/*
+ * Console functions
+ */
+extern void zone_print_list(void);
+extern void zone_print_one(index_t index);
+
 #endif

generic/src/console/cmd.c

@@ -255 +255 @@
 /** Data and methods for 'zone' command */
 static int cmd_zone(cmd_arg_t *argv);
-static char zone_buf[MAX_CMDLINE+1];
+//static char zone_buf[sizeof(__native)];
 static cmd_arg_t zone_argv = {
         .type = ARG_TYPE_INT,
-        .buffer = zone_buf,
-        .len = sizeof(zone_buf)
+        //.buffer = zone_buf,
+        .len = sizeof(__native)
 };
 
@@ -608 +608 @@
 
 int cmd_zones(cmd_arg_t * argv) {
-        printf("Zones listing not implemented\n");
+        zone_print_list();
         return 1;
 }
 
 int cmd_zone(cmd_arg_t * argv) {
-        printf("Zone details not implemented\n");
+        zone_print_one(argv[0].intval);
         return 1;
 }

generic/src/mm/frame.c

@@ -483 +483 @@
         frame->refcount = 1;
 }
+
+
+void zone_print_list(void) {
+        zone_t *zone = NULL;
+        link_t *cur;
+        index_t i = 0;
+        printf("No.\tBase address\tFree Frames\tBusy Frames\n");
+        printf("---\t------------\t-----------\t-----------\n");
+        for (cur = zone_head.next; cur != &zone_head; cur = cur->next) {
+                zone = list_get_instance(cur, zone_t, link);
+                printf("%d\t%L\t%d\t\t%d\n",i++,zone->base, zone->free_count, zone->busy_count);
+        }
+
+}
+
+void zone_print_one(index_t zone_index) {
+        zone_t *zone = NULL;
+        link_t *cur;
+        index_t i = 0;
+        
+        for (cur = zone_head.next; cur != &zone_head; cur = cur->next) {
+                if (i == zone_index) {
+                        zone = list_get_instance(cur, zone_t, link);
+                        break;
+                }
+                i++;
+        }
+        
+        if (!zone) {
+                printf("No zone with index %d\n", zone_index);
+                return;
+        }
+        
+        printf("Memory zone %d information\n\n", zone_index);
+        printf("Zone base address: %P\n", zone->base);
+        printf("Zone size: %d frames (%d kbytes)\n", zone->free_count + zone->busy_count, ((zone->free_count + zone->busy_count) * FRAME_SIZE) >> 10);
+        printf("Allocated space: %d frames (%d kbytes)\n", zone->busy_count, (zone->busy_count * FRAME_SIZE) >> 10);
+        printf("Available space: %d (%d kbytes)\n", zone->free_count, (zone->free_count * FRAME_SIZE) >> 10);
+        printf("Buddy allocator structures: not implemented\n");
+}
+