diff options
| author | Clifford Wolf <clifford@clifford.at> | 2016-05-04 00:43:08 +0200 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2016-05-04 00:43:08 +0200 |
| commit | 133befd278f64c2019d842e6ac658db389ce40d4 (patch) | |
| tree | a89a7988cc0b2715131509779278b0a5fb85a036 /scripts | |
| parent | 3192555374a0a8839bc52d5e9a101bf5950a53cd (diff) | |
| download | picorv32-133befd278f64c2019d842e6ac658db389ce40d4.tar.gz picorv32-133befd278f64c2019d842e6ac658db389ce40d4.zip | |
Fixed SP init in scripts/{csmith,cxxdemo}/
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/csmith/start.S | 8 | ||||
| -rw-r--r-- | scripts/cxxdemo/start.S | 8 |
2 files changed, 12 insertions, 4 deletions
diff --git a/scripts/csmith/start.S b/scripts/csmith/start.S index 33114cc..f872a14 100644 --- a/scripts/csmith/start.S +++ b/scripts/csmith/start.S @@ -40,9 +40,13 @@ addi x31, zero, 0 lui sp, %hi(4*1024*1024) addi sp, sp, %lo(4*1024*1024) -/* push a zero on the stack */ -addi sp,sp,-4 +/* push zeros on the stack for argc and argv */ +/* (stack is aligned to 16 bytes in riscv calling convention) */ +addi sp,sp,-16 sw zero,0(sp) +sw zero,4(sp) +sw zero,8(sp) +sw zero,12(sp) /* jump to libc init */ j _ftext diff --git a/scripts/cxxdemo/start.S b/scripts/cxxdemo/start.S index 33114cc..f872a14 100644 --- a/scripts/cxxdemo/start.S +++ b/scripts/cxxdemo/start.S @@ -40,9 +40,13 @@ addi x31, zero, 0 lui sp, %hi(4*1024*1024) addi sp, sp, %lo(4*1024*1024) -/* push a zero on the stack */ -addi sp,sp,-4 +/* push zeros on the stack for argc and argv */ +/* (stack is aligned to 16 bytes in riscv calling convention) */ +addi sp,sp,-16 sw zero,0(sp) +sw zero,4(sp) +sw zero,8(sp) +sw zero,12(sp) /* jump to libc init */ j _ftext |