The PAL stack frame is 48 bytes, and entInt then allocates 19*8 = 152 bytes to save registers, leaving $sp 8 mod 16 at the call to do_entInt. The Alpha calling convention requires 16-byte stack alignment at calls.
Pad the save area to 20*8 bytes. Signed-off-by: Matt Turner <[email protected]> --- console-low.S | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/console-low.S b/console-low.S index 83adb2a..157a094 100644 --- a/console-low.S +++ b/console-low.S @@ -23,7 +23,8 @@ .text .cfi_sections .debug_frame -#define SAVE_ALL_SIZE ((18+1)*8) +/* 19 saved registers plus one pad slot to keep $sp 16-byte aligned. */ +#define SAVE_ALL_SIZE (20*8) .globl entInt .type entInt, @function -- 2.54.0
