diff options
Diffstat (limited to 'emu/Plan9/asm-386.s')
| -rw-r--r-- | emu/Plan9/asm-386.s | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/emu/Plan9/asm-386.s b/emu/Plan9/asm-386.s new file mode 100644 index 00000000..b8193f71 --- /dev/null +++ b/emu/Plan9/asm-386.s @@ -0,0 +1,33 @@ + +TEXT tramp(SB),$0 + MOVL nsp+0(FP), BX /* new stack */ + MOVL fn+4(FP), CX /* func to exec */ + MOVL arg+8(FP),DX + + LEAL -8(BX), SP /* new stack */ + PUSHL DX + CALL *CX + POPL AX + + PUSHL $0 + CALL _exits(SB) + POPL AX + RET + +TEXT vstack(SB),$0 + MOVL arg+0(FP), AX + MOVL ustack(SB), SP + PUSHL AX + CALL exectramp(SB) + POPL AX /* dammit ken! */ + RET + +TEXT FPsave(SB), 1, $0 + MOVL fpu+0(FP), AX + FSTENV 0(AX) + RET + +TEXT FPrestore(SB), 1, $0 + MOVL fpu+0(FP), AX + FLDENV 0(AX) + RET |