Changed MIPS and Alpha to pass the syscall number to the syscall function

arch/alpha/isa/decoder.isa:
    Fixed up Alpha to pass the syscall number directly to the syscall function.
arch/mips/isa/decoder.isa:
    Fixed up MIPS to pass the syscall number directly to the syscall function.
arch/mips/isa/operands.isa:
    Added an R2 operand which is passed to the syscall function as the syscall number to use.

--HG--
extra : convert_revision : 066d486cd6a2761b29e413c6d526c268788975f3

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/alpha/isa/decoder.isa b/arch/alpha/isa/decoder.isa
index e09673269..3d38e91f9 100644
--- a/arch/alpha/isa/decoder.isa
+++ b/arch/alpha/isa/decoder.isa
@@ -693,7 +693,7 @@ decode OPCODE default Unknown::unknown() {
                 SimExit(curTick, "halt instruction encountered");
             }}, IsNonSpeculative);
             0x83: callsys({{
-                xc->syscall();
+                xc->syscall(R0);
             }}, IsNonSpeculative);
             // Read uniq reg into ABI return value register (r0)
             0x9e: rduniq({{ R0 = Runiq; }});