The machine trap-vector base address (mtvec) must be aligned on a 4-byte boundary. Add the necessary align directive to trap_entry.
This patch also removes the global directive for trap_entry, which is not required.
Signed-off-by: Lukas Auer lukas.auer@aisec.fraunhofer.de Reviewed-by: Bin Meng bmeng.cn@gmail.com ---
Changes in v2: None
arch/riscv/cpu/start.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/riscv/cpu/start.S b/arch/riscv/cpu/start.S index bd5904500c..88b4aaa1c0 100644 --- a/arch/riscv/cpu/start.S +++ b/arch/riscv/cpu/start.S @@ -42,7 +42,6 @@ nmi_vector: trap_vector: j trap_entry
-.global trap_entry handle_reset: li t0, CONFIG_SYS_SDRAM_BASE SREG a2, 0(t0) @@ -208,6 +207,7 @@ call_board_init_r: /* * trap entry */ +.align 2 trap_entry: addi sp, sp, -32*REGBYTES SREG x1, 1*REGBYTES(sp)