avr: fix corrupted .data byte

The stack and the .data section shared the first byte, leading to corruption of the first byte of .data.
2026-08-03 02:27:48 +00:00 · 2018-09-17 15:10:52 +02:00
parent fc0ff3a987
commit 77934f364f
1 changed files with 3 additions and 0 deletions
@@ -17,6 +17,9 @@ reset:
    out  0x3d, xl; SPL
    out  0x3e, xh; SPH

+    ; Add one to the stack pointer, so it doesn't point in the .data section.
+    push r0
+
    ; Initialize .data
 init_data:
    ldi  xl, lo8(_sdata)