Fixes to SPARC syscall emulation mode.

arch/sparc/isa/base.isa:
    Added a set of abbreviations for the different condition tests.
arch/sparc/isa/decoder.isa:
    Fixes and additions to get syscall emulation closer to working.
arch/sparc/isa/formats/branch.isa:
    Fixed branches so that the immediate version actually uses the immediate value
arch/sparc/isa/formats/integerop.isa:
    Compute the condition codes -before- writing to the state of the machine.
arch/sparc/isa/formats/mem.isa:
    An attempt to fix up the output of the disassembly of loads and stores.
arch/sparc/isa/formats/trap.isa:
    Added code to disassemble a trap instruction. This probably needs to be fixed up so there are immediate and register versions.
arch/sparc/isa/operands.isa:
    Added an R1 operand, and fixed up the numbering
arch/sparc/isa_traits.hh:
    SyscallNumReg is no longer needed, the max number of sources and destinations are fixed up, and the syscall return uses xcc instead of icc.
arch/sparc/linux/process.cc:
arch/sparc/linux/process.hh:
    Added a getresuidFunc syscall implementation. This isn't actually used, but I thought it was and will leave it in.
arch/sparc/process.cc:
arch/sparc/process.hh:
    Fixed up how the initial stack frame is set up.
arch/sparc/regfile.hh:
    Changed the number of windows from 6 to 32 so we don't have to worry about spill and fill traps for now, and commented out the register file setting itself up.
cpu/cpu_exec_context.hh:
cpu/exec_context.hh:
cpu/simple/cpu.hh:
sim/process.cc:
sim/process.hh:
    Changed the syscall mechanism to pass down the syscall number directly.

--HG--
extra : convert_revision : 15723b949a0ddb3d24e68c079343b4dba2439f43

1 files changed, 25 insertions, 0 deletions

diff --git a/arch/sparc/isa/base.isa b/arch/sparc/isa/base.isa
index 434426ffa..cb370a3e7 100644
--- a/arch/sparc/isa/base.isa
+++ b/arch/sparc/isa/base.isa
@@ -37,6 +37,8 @@ output header {{
             OverflowSet=0x7
         };
 
+        extern char * CondTestAbbrev[];
+
         /**
          * Base class for all SPARC static instructions.
          */
@@ -65,6 +67,29 @@ output header {{
         }
 }};
 
+output decoder {{
+
+        char * CondTestAbbrev[] =
+        {
+            "nev", //Never
+            "e", //Equal
+            "le", //Less or Equal
+            "l", //Less
+            "leu", //Less or Equal Unsigned
+            "c", //Carry set
+            "n", //Negative
+            "o", //Overflow set
+            "a", //Always
+            "ne", //Not Equal
+            "g", //Greater
+            "ge", //Greater or Equal
+            "gu", //Greater Unsigned
+            "cc", //Carry clear
+            "p", //Positive
+            "oc" //Overflow Clear
+        };
+}};
+
 def template ROrImmDecode {{
     {
         return (I ? (SparcStaticInst *)(new %(class_name)sImm(machInst))