Diff: ram_test.h

Revision:

2:dfeadd6c651c

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ram_test.h	Mon Jan 26 04:38:06 2015 +0000
@@ -0,0 +1,23 @@
+// These external symbols are maintained by the linker to indicate the
+// location of various regions in the device's memory.  They will be used by
+// DisplayRAMBanks() to dump the size of each RAM bank to stdout.
+extern unsigned int Image$$RW_IRAM1$$Base;
+extern unsigned int Image$$RW_IRAM1$$ZI$$Limit;
+extern unsigned int Image$$RW_IRAM2$$Base;
+extern unsigned int Image$$RW_IRAM2$$ZI$$Limit;
+extern unsigned int Image$$RW_IRAM3$$Base;
+extern unsigned int Image$$RW_IRAM3$$ZI$$Limit;
+ 
+ 
+// Displays the size of static allocations for each RAM bank as indicated by
+// ARM linker to stdout.
+static void DisplayRAMBanks(void)
+{
+    printf("Static RAM bank allocations\r\n");
+    printf("  Main RAM = %u\r\n", (unsigned int)&Image$$RW_IRAM1$$ZI$$Limit - 
+                                  (unsigned int)&Image$$RW_IRAM1$$Base);
+    printf("  RAM0     = %u\r\n", (unsigned int)&Image$$RW_IRAM2$$ZI$$Limit -
+                                  (unsigned int)&Image$$RW_IRAM2$$Base);
+    printf("  RAM1     = %u\r\n", (unsigned int)&Image$$RW_IRAM3$$ZI$$Limit -
+                                  (unsigned int)&Image$$RW_IRAM3$$Base);
+}
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