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Updates for registers and stuff.

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arch/alpha/ev5.cc:
    Update for copying IPRs.
arch/alpha/isa_traits.hh:
    Allow for misc register file to serialize.  Also add some register copying code.
cpu/cpu_exec_context.cc:
    Use ISA's function to copy registers.

--HG--
extra : convert_revision : 09fa3b2b1b229cbf3a34f69354953da2607c2a8f
This commit is contained in:
Kevin Lim 2006-08-02 12:04:18 -04:00
parent db6c908e0f
commit 8d220c5c10
3 changed files with 23 additions and 4 deletions
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6
arch/alpha/ev5.cc
View file

@ -547,14 +547,16 @@ AlphaISA::MiscRegFile::setIpr(int idx, uint64_t val, ExecContext *xc)
return NoFault; return NoFault;
} }
void void
AlphaISA::MiscRegFile::copyIprs(ExecContext *xc) AlphaISA::copyIprs(ExecContext *src, ExecContext *dest)
{ {
for (int i = IPR_Base_DepTag; i < NumInternalProcRegs; ++i) { for (int i = IPR_Base_DepTag; i < NumInternalProcRegs; ++i) {
ipr[i] = xc->readMiscReg(i); dest->setMiscReg(i, src->readMiscReg(i));
} }
} }
/** /**
* Check for special simulator handling of specific PAL calls. * Check for special simulator handling of specific PAL calls.
* If return value is false, actual PAL call will be suppressed. * If return value is false, actual PAL call will be suppressed.

19
arch/alpha/isa_traits.hh
View file

@ -212,7 +212,16 @@ extern const int reg_redir[NumIntRegs];
Fault setRegWithEffect(int misc_reg, const MiscReg &val, Fault setRegWithEffect(int misc_reg, const MiscReg &val,
ExecContext *xc); ExecContext *xc);
void copyMiscRegs(ExecContext *xc); void serialize(std::ostream &os);
void unserialize(Checkpoint *cp, const std::string &section);
void clear()
{
fpcr = uniq = 0;
lock_flag = 0;
lock_addr = 0;
}
#if FULL_SYSTEM #if FULL_SYSTEM
protected: protected:
@ -361,6 +370,14 @@ extern const int reg_redir[NumIntRegs];
} }
} }
#endif #endif
void copyRegs(ExecContext *src, ExecContext *dest);
void copyMiscRegs(ExecContext *src, ExecContext *dest);
#if FULL_SYSTEM
void copyIprs(ExecContext *src, ExecContext *dest);
#endif
}; };
static inline AlphaISA::ExtMachInst static inline AlphaISA::ExtMachInst

2
cpu/cpu_exec_context.cc
View file

@ -306,7 +306,7 @@ CPUExecContext::copyArchRegs(ExecContext *xc)
} }
// Copy misc. registers // Copy misc. registers
regs.miscRegs.copyMiscRegs(xc); TheISA::copyMiscRegs(xc, proxy);
// Lastly copy PC/NPC // Lastly copy PC/NPC
setPC(xc->readPC()); setPC(xc->readPC());