sp cannot be loaded before restoring other registers.
Signed-off-by: Bin Meng bmeng.cn@gmail.com Reviewed-by: Lukas Auer lukas.auer@aisec.fraunhofer.de ---
Changes in v3: None Changes in v2: None
arch/riscv/cpu/mtrap.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/riscv/cpu/mtrap.S b/arch/riscv/cpu/mtrap.S index a5ad558..da307e4 100644 --- a/arch/riscv/cpu/mtrap.S +++ b/arch/riscv/cpu/mtrap.S @@ -77,7 +77,6 @@ trap_entry: #endif csrs MODE_PREFIX(status), t0 LREG x1, 1 * REGBYTES(sp) - LREG x2, 2 * REGBYTES(sp) LREG x3, 3 * REGBYTES(sp) LREG x4, 4 * REGBYTES(sp) LREG x5, 5 * REGBYTES(sp) @@ -107,5 +106,6 @@ trap_entry: LREG x29, 29 * REGBYTES(sp) LREG x30, 30 * REGBYTES(sp) LREG x31, 31 * REGBYTES(sp) + LREG x2, 2 * REGBYTES(sp) addi sp, sp, 32 * REGBYTES MODE_PREFIX(ret)