diff options
Diffstat (limited to 'src/syscall/asm_linux_mipsx.s')
| -rw-r--r-- | src/syscall/asm_linux_mipsx.s | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/syscall/asm_linux_mipsx.s b/src/syscall/asm_linux_mipsx.s index 8c45861d641..041c353e794 100644 --- a/src/syscall/asm_linux_mipsx.s +++ b/src/syscall/asm_linux_mipsx.s @@ -11,6 +11,29 @@ // System calls for mips, Linux // +// func Syscall(trap uintptr, a1, a2, a3 uintptr) (r1, r2, err uintptr); +TEXT ·Syscall(SB),NOSPLIT,$0-28 + JAL runtime·entersyscall(SB) + MOVW a1+4(FP), R4 + MOVW a2+8(FP), R5 + MOVW a3+12(FP), R6 + MOVW R0, R7 + MOVW trap+0(FP), R2 // syscall entry + SYSCALL + BEQ R7, ok + MOVW $-1, R1 + MOVW R1, r1+16(FP) // r1 + MOVW R0, r2+20(FP) // r2 + MOVW R2, err+24(FP) // errno + JAL runtime·exitsyscall(SB) + RET +ok: + MOVW R2, r1+16(FP) // r1 + MOVW R3, r2+20(FP) // r2 + MOVW R0, err+24(FP) // errno + JAL runtime·exitsyscall(SB) + RET + // func Syscall6(trap trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr); // 5th and 6th arg go at sp+16, sp+20. // Note that frame size of 20 means that 24 bytes gets reserved on stack. |