Registers: Add a registers.hh file as an ISA switched header.

This file is for register indices, Num* constants, and register types.
copyRegs and copyMiscRegs were moved to utility.hh and utility.cc.

--HG--
rename : src/arch/alpha/regfile.hh => src/arch/alpha/registers.hh
rename : src/arch/arm/regfile.hh => src/arch/arm/registers.hh
rename : src/arch/mips/regfile.hh => src/arch/mips/registers.hh
rename : src/arch/sparc/regfile.hh => src/arch/sparc/registers.hh
rename : src/arch/x86/regfile.hh => src/arch/x86/registers.hh

1 files changed, 155 insertions, 0 deletions

diff --git a/src/arch/sparc/utility.cc b/src/arch/sparc/utility.cc
index d4cc286e6..9c9b833fe 100644
--- a/src/arch/sparc/utility.cc
+++ b/src/arch/sparc/utility.cc
@@ -61,4 +61,159 @@ uint64_t getArgument(ThreadContext *tc, int number, bool fp) {
     M5_DUMMY_RETURN
 #endif
 }
+
+void
+copyMiscRegs(ThreadContext *src, ThreadContext *dest)
+{
+
+    uint8_t tl = src->readMiscRegNoEffect(MISCREG_TL);
+
+    // Read all the trap level dependent registers and save them off
+    for(int i = 1; i <= MaxTL; i++)
+    {
+        src->setMiscRegNoEffect(MISCREG_TL, i);
+        dest->setMiscRegNoEffect(MISCREG_TL, i);
+
+        dest->setMiscRegNoEffect(MISCREG_TT, src->readMiscRegNoEffect(MISCREG_TT));
+        dest->setMiscRegNoEffect(MISCREG_TPC, src->readMiscRegNoEffect(MISCREG_TPC));
+        dest->setMiscRegNoEffect(MISCREG_TNPC, src->readMiscRegNoEffect(MISCREG_TNPC));
+        dest->setMiscRegNoEffect(MISCREG_TSTATE, src->readMiscRegNoEffect(MISCREG_TSTATE));
+    }
+
+    // Save off the traplevel
+    dest->setMiscRegNoEffect(MISCREG_TL, tl);
+    src->setMiscRegNoEffect(MISCREG_TL, tl);
+
+
+    // ASRs
+//    dest->setMiscRegNoEffect(MISCREG_Y, src->readMiscRegNoEffect(MISCREG_Y));
+//    dest->setMiscRegNoEffect(MISCREG_CCR, src->readMiscRegNoEffect(MISCREG_CCR));
+    dest->setMiscRegNoEffect(MISCREG_ASI, src->readMiscRegNoEffect(MISCREG_ASI));
+    dest->setMiscRegNoEffect(MISCREG_TICK, src->readMiscRegNoEffect(MISCREG_TICK));
+    dest->setMiscRegNoEffect(MISCREG_FPRS, src->readMiscRegNoEffect(MISCREG_FPRS));
+    dest->setMiscRegNoEffect(MISCREG_SOFTINT, src->readMiscRegNoEffect(MISCREG_SOFTINT));
+    dest->setMiscRegNoEffect(MISCREG_TICK_CMPR, src->readMiscRegNoEffect(MISCREG_TICK_CMPR));
+    dest->setMiscRegNoEffect(MISCREG_STICK, src->readMiscRegNoEffect(MISCREG_STICK));
+    dest->setMiscRegNoEffect(MISCREG_STICK_CMPR, src->readMiscRegNoEffect(MISCREG_STICK_CMPR));
+
+    // Priv Registers
+    dest->setMiscRegNoEffect(MISCREG_TICK, src->readMiscRegNoEffect(MISCREG_TICK));
+    dest->setMiscRegNoEffect(MISCREG_TBA, src->readMiscRegNoEffect(MISCREG_TBA));
+    dest->setMiscRegNoEffect(MISCREG_PSTATE, src->readMiscRegNoEffect(MISCREG_PSTATE));
+    dest->setMiscRegNoEffect(MISCREG_PIL, src->readMiscRegNoEffect(MISCREG_PIL));
+    dest->setMiscRegNoEffect(MISCREG_CWP, src->readMiscRegNoEffect(MISCREG_CWP));
+//    dest->setMiscRegNoEffect(MISCREG_CANSAVE, src->readMiscRegNoEffect(MISCREG_CANSAVE));
+//    dest->setMiscRegNoEffect(MISCREG_CANRESTORE, src->readMiscRegNoEffect(MISCREG_CANRESTORE));
+//    dest->setMiscRegNoEffect(MISCREG_OTHERWIN, src->readMiscRegNoEffect(MISCREG_OTHERWIN));
+//    dest->setMiscRegNoEffect(MISCREG_CLEANWIN, src->readMiscRegNoEffect(MISCREG_CLEANWIN));
+//    dest->setMiscRegNoEffect(MISCREG_WSTATE, src->readMiscRegNoEffect(MISCREG_WSTATE));
+    dest->setMiscRegNoEffect(MISCREG_GL, src->readMiscRegNoEffect(MISCREG_GL));
+
+    // Hyperprivilged registers
+    dest->setMiscRegNoEffect(MISCREG_HPSTATE, src->readMiscRegNoEffect(MISCREG_HPSTATE));
+    dest->setMiscRegNoEffect(MISCREG_HINTP, src->readMiscRegNoEffect(MISCREG_HINTP));
+    dest->setMiscRegNoEffect(MISCREG_HTBA, src->readMiscRegNoEffect(MISCREG_HTBA));
+    dest->setMiscRegNoEffect(MISCREG_STRAND_STS_REG,
+            src->readMiscRegNoEffect(MISCREG_STRAND_STS_REG));
+    dest->setMiscRegNoEffect(MISCREG_HSTICK_CMPR,
+            src->readMiscRegNoEffect(MISCREG_HSTICK_CMPR));
+
+    // FSR
+    dest->setMiscRegNoEffect(MISCREG_FSR, src->readMiscRegNoEffect(MISCREG_FSR));
+
+    //Strand Status Register
+    dest->setMiscRegNoEffect(MISCREG_STRAND_STS_REG,
+            src->readMiscRegNoEffect(MISCREG_STRAND_STS_REG));
+
+    // MMU Registers
+    dest->setMiscRegNoEffect(MISCREG_MMU_P_CONTEXT,
+            src->readMiscRegNoEffect(MISCREG_MMU_P_CONTEXT));
+    dest->setMiscRegNoEffect(MISCREG_MMU_S_CONTEXT,
+            src->readMiscRegNoEffect(MISCREG_MMU_S_CONTEXT));
+    dest->setMiscRegNoEffect(MISCREG_MMU_PART_ID,
+            src->readMiscRegNoEffect(MISCREG_MMU_PART_ID));
+    dest->setMiscRegNoEffect(MISCREG_MMU_LSU_CTRL,
+            src->readMiscRegNoEffect(MISCREG_MMU_LSU_CTRL));
+
+    // Scratchpad Registers
+    dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R0,
+            src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R0));
+    dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R1,
+            src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R1));
+    dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R2,
+            src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R2));
+    dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R3,
+            src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R3));
+    dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R4,
+            src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R4));
+    dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R5,
+            src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R5));
+    dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R6,
+            src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R6));
+    dest->setMiscRegNoEffect(MISCREG_SCRATCHPAD_R7,
+            src->readMiscRegNoEffect(MISCREG_SCRATCHPAD_R7));
+
+    // Queue Registers
+    dest->setMiscRegNoEffect(MISCREG_QUEUE_CPU_MONDO_HEAD,
+            src->readMiscRegNoEffect(MISCREG_QUEUE_CPU_MONDO_HEAD));
+    dest->setMiscRegNoEffect(MISCREG_QUEUE_CPU_MONDO_TAIL,
+            src->readMiscRegNoEffect(MISCREG_QUEUE_CPU_MONDO_TAIL));
+    dest->setMiscRegNoEffect(MISCREG_QUEUE_DEV_MONDO_HEAD,
+            src->readMiscRegNoEffect(MISCREG_QUEUE_DEV_MONDO_HEAD));
+    dest->setMiscRegNoEffect(MISCREG_QUEUE_DEV_MONDO_TAIL,
+            src->readMiscRegNoEffect(MISCREG_QUEUE_DEV_MONDO_TAIL));
+    dest->setMiscRegNoEffect(MISCREG_QUEUE_RES_ERROR_HEAD,
+            src->readMiscRegNoEffect(MISCREG_QUEUE_RES_ERROR_HEAD));
+    dest->setMiscRegNoEffect(MISCREG_QUEUE_RES_ERROR_TAIL,
+            src->readMiscRegNoEffect(MISCREG_QUEUE_RES_ERROR_TAIL));
+    dest->setMiscRegNoEffect(MISCREG_QUEUE_NRES_ERROR_HEAD,
+            src->readMiscRegNoEffect(MISCREG_QUEUE_NRES_ERROR_HEAD));
+    dest->setMiscRegNoEffect(MISCREG_QUEUE_NRES_ERROR_TAIL,
+            src->readMiscRegNoEffect(MISCREG_QUEUE_NRES_ERROR_TAIL));
+}
+
+void
+copyRegs(ThreadContext *src, ThreadContext *dest)
+{
+    //First loop through the integer registers.
+    int old_gl = src->readMiscRegNoEffect(MISCREG_GL);
+    int old_cwp = src->readMiscRegNoEffect(MISCREG_CWP);
+    //Globals
+    for (int x = 0; x < MaxGL; ++x) {
+        src->setMiscRegNoEffect(MISCREG_GL, x);
+        dest->setMiscRegNoEffect(MISCREG_GL, x);
+        // Skip %g0 which is always zero.
+        for (int y = 1; y < 8; y++)
+            dest->setIntReg(y, src->readIntReg(y));
+    }
+    //Locals and ins. Outs are all also ins.
+    for (int x = 0; x < NWindows; ++x) {
+         src->setMiscRegNoEffect(MISCREG_CWP, x);
+         dest->setMiscRegNoEffect(MISCREG_CWP, x);
+         for (int y = 16; y < 32; y++)
+             dest->setIntReg(y, src->readIntReg(y));
+    }
+    //Microcode reg and pseudo int regs (misc regs in the integer regfile).
+    for (int y = NumIntArchRegs; y < NumIntArchRegs + NumMicroIntRegs; ++y)
+        dest->setIntReg(y, src->readIntReg(y));
+
+    //Restore src's GL, CWP
+    src->setMiscRegNoEffect(MISCREG_GL, old_gl);
+    src->setMiscRegNoEffect(MISCREG_CWP, old_cwp);
+
+
+    // Then loop through the floating point registers.
+    for (int i = 0; i < SparcISA::NumFloatArchRegs; ++i) {
+        dest->setFloatRegBits(i, src->readFloatRegBits(i));
+    }
+
+    // Copy misc. registers
+    copyMiscRegs(src, dest);
+
+
+    // Lastly copy PC/NPC
+    dest->setPC(src->readPC());
+    dest->setNextPC(src->readNextPC());
+    dest->setNextNPC(src->readNextNPC());
+}
 } //namespace SPARC_ISA