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-rw-r--r--pc-bios/s390-ccw/start.S5
1 files changed, 4 insertions, 1 deletions
diff --git a/pc-bios/s390-ccw/start.S b/pc-bios/s390-ccw/start.S
index d29de09cc6..abd6fe6639 100644
--- a/pc-bios/s390-ccw/start.S
+++ b/pc-bios/s390-ccw/start.S
@@ -10,10 +10,13 @@
* directory.
*/
+#define STACK_SIZE 0x8000
+#define STACK_FRAME_SIZE 160
+
.globl _start
_start:
- larl %r15,stack + 0x8000 /* Set up stack */
+ larl %r15,stack + STACK_SIZE - STACK_FRAME_SIZE /* Set up stack */
/* clear bss */
larl %r2,__bss_start