diff options
Diffstat (limited to 'emu/Plan9/asm-sparc.s')
| -rw-r--r-- | emu/Plan9/asm-sparc.s | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/emu/Plan9/asm-sparc.s b/emu/Plan9/asm-sparc.s new file mode 100644 index 00000000..f68fd02d --- /dev/null +++ b/emu/Plan9/asm-sparc.s @@ -0,0 +1,22 @@ + TEXT tramp(SB), 1, $0 + ADD $-8, R7, R3 /* new stack */ + MOVW 4(FP), R4 /* func to exec */ + MOVW 8(FP), R7 /* arg to reg */ + MOVW R3, R1 /* new stack */ + JMPL (R4) + MOVW R0, R7 + JMPL _exits(SB) /* Leaks the stack in R29 */ + + TEXT vstack(SB), 1, $0 /* Passes &targ through R7 */ + MOVW ustack(SB), R1 + MOVW $exectramp(SB), R3 + JMP (R3) + RETURN + + TEXT FPsave(SB), 1, $0 + MOVW FSR, 0(R7) + RETURN + + TEXT FPrestore(SB), 1, $0 + MOVW 0(R7), FSR + RETURN |