1 files changed, 23 insertions, 4 deletions

diff --git a/firmware/crt0.S b/firmware/crt0.S
index 78b26b77ea..99aab83867 100644
--- a/firmware/crt0.S
+++ b/firmware/crt0.S
@@ -95,8 +95,21 @@ start:
 start_l:
         mov.l   r2,@r0
         add     #4,r0
-        cmp/ge  r0,r1
-        bt      start_l
+        cmp/ge  r1,r0
+        bf      start_l
+        nop
+
+        /* copy the .iram section */
+        mov.l   iramcopy_k,r0
+        mov.l   iram_k,r1
+        mov.l   iramend_k,r2
+copy_l:
+        mov.l   @r0,r3
+        mov.l   r3,@r1
+        add     #4,r0
+        add     #4,r1
+        cmp/ge  r2,r1
+        bf      copy_l
         nop
 
         /* Munge the main thread stack */
@@ -106,8 +119,8 @@ start_l:
 munge_loop:
         mov.l   r0,@r1
         add     #4,r1
-        cmp/ge  r1,r2
-        bt      munge_loop
+        cmp/ge  r2,r1
+        bf      munge_loop
         nop
 
         mov     #0,r0
@@ -131,6 +144,12 @@ edata_k:
         .long   _edata
 end_k:
         .long   _end
+iramcopy_k:
+        .long   _iramcopy
+iram_k:
+        .long   _iramstart
+iramend_k:
+        .long   _iramend
 main_k:
         .long   _main
 vbr_k: