diff options
Diffstat (limited to 'arch/riscv/lib/longjmp.S')
| -rw-r--r-- | arch/riscv/lib/longjmp.S | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/riscv/lib/longjmp.S b/arch/riscv/lib/longjmp.S new file mode 100644 index 0000000000..7bcb5b3049 --- /dev/null +++ b/arch/riscv/lib/longjmp.S @@ -0,0 +1,28 @@ +// SPDX-License-Identifier: LGPL-2.1-or-later + +/* longjmp, RISC-V version. */ + +#include <linux/linkage.h> +#include <asm/asm.h> + +ENTRY (longjmp) + REG_L ra, 0*SZREG(a0) + REG_L s0, 1*SZREG(a0) + REG_L s1, 2*SZREG(a0) + REG_L s2, 3*SZREG(a0) + REG_L s3, 4*SZREG(a0) + REG_L s4, 5*SZREG(a0) + REG_L s5, 6*SZREG(a0) + REG_L s6, 7*SZREG(a0) + REG_L s7, 8*SZREG(a0) + REG_L s8, 9*SZREG(a0) + REG_L s9, 10*SZREG(a0) + REG_L s10,11*SZREG(a0) + REG_L s11,12*SZREG(a0) + REG_L sp, 13*SZREG(a0) + + seqz a0, a1 + add a0, a0, a1 # a0 = (a1 == 0) ? 1 : a1 + ret + +END (longjmp) |