iRiver: Moved the main thread stack to IRAM

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6088 a1c6a512-1295-4272-9138-f99709370657

firmware/app.lds

@@ -182,23 +182,31 @@ SECTIONS
         _iramend = .;
     } > IRAM
 
+#ifdef IRIVER_H100
+    .stack :
+    {
+       *(.stack)
+       stackbegin = .;
+       . += 0x8000;
+       stackend = .;
+    } > IRAM
+#else
     /* TRICK ALERT! We want 0x2000 bytes of stack, but we set the section
        size smaller, and allow the stack to grow into the .iram copy */
     .stack ADDR(.data) + SIZEOF(.data) + SIZEOF(.iram):
     {
        *(.stack)
        _stackbegin = . - SIZEOF(.iram);
-       stackbegin = . - SIZEOF(.iram);
-#if MEMORYSIZE >= 32
-       . += 0x8000 - SIZEOF(.iram);
-#else
        . += 0x2000 - SIZEOF(.iram);
-#endif
        _stackend = .;
-       stackend = .;
     } > DRAM
+#endif
 
+#ifdef IRIVER_H100
+    .bss ADDR(.data) + SIZEOF(.data) + SIZEOF(.iram):
+#else
     .bss :
+#endif
     {
        _edata = .;
         *(.bss)

firmware/crt0.S

@@ -282,8 +282,8 @@ irq_handler:
 .dataloopend:
 
         /* Munge the main stack */
-        lea    _stackbegin,%a2
-        lea    _stackend,%a4
+        lea    stackbegin,%a2
+        lea    stackend,%a4
         move.l #0xdeadbeef,%d0
 .mungeloop:
         cmp.l  %a2,%a4
@@ -299,7 +299,7 @@ irq_handler:
 
 	.section .resetvectors
 vectors:
-	.long _stackend
+	.long stackend
 	.long start
 #else
         /* Platform:     Archos Jukebox