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2002-03-05 Chris Demetriou <cgd@broadcom.com>

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* mips.igen (check_fpu): Enable check for coprocessor 1 usability.
        * sim-main.h (COP_Usable): Define, but for now coprocessor 1
        is always enabled.
        (SignalExceptionCoProcessorUnusable): Take as argument the
        unusable coprocessor number.
This commit is contained in:
Chris Demetriou 2002-03-06 05:41:40 +00:00
parent 937149dd3c
commit 3ad6f714f2
3 changed files with 12 additions and 3 deletions
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8
sim/mips/ChangeLog
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@ -1,3 +1,11 @@
2002-03-05 Chris Demetriou <cgd@broadcom.com>
* mips.igen (check_fpu): Enable check for coprocessor 1 usability.
* sim-main.h (COP_Usable): Define, but for now coprocessor 1
is always enabled.
(SignalExceptionCoProcessorUnusable): Take as argument the
unusable coprocessor number.
2002-03-05 Chris Demetriou <cgd@broadcom.com>
* mips.igen: Fix formatting of all SignalException calls.

2
sim/mips/mips.igen
View file

@ -3087,10 +3087,8 @@
*vr5000:
*r3900:
{
#if 0 /* XXX FIXME: For now, never treat the FPU as disabled. */
if (! COP_Usable (1))
SignalExceptionCoProcessorUnusable (1);
#endif
}

5
sim/mips/sim-main.h
View file

@ -653,7 +653,7 @@ void signal_exception (SIM_DESC sd, sim_cpu *cpu, address_word cia, int exceptio
#define SignalExceptionSimulatorFault(buf) signal_exception (SD, CPU, cia, SimulatorFault, buf)
#define SignalExceptionFPE() signal_exception (SD, CPU, cia, FPE)
#define SignalExceptionIntegerOverflow() signal_exception (SD, CPU, cia, IntegerOverflow)
#define SignalExceptionCoProcessorUnusable() signal_exception (SD, CPU, cia, CoProcessorUnusable)
#define SignalExceptionCoProcessorUnusable(cop) signal_exception (SD, CPU, cia, CoProcessorUnusable)
#define SignalExceptionNMIReset() signal_exception (SD, CPU, cia, NMIReset)
#define SignalExceptionTLBRefillStore() signal_exception (SD, CPU, cia, TLBStore, TLB_REFILL)
#define SignalExceptionTLBRefillLoad() signal_exception (SD, CPU, cia, TLBLoad, TLB_REFILL)
@ -663,6 +663,9 @@ void signal_exception (SIM_DESC sd, sim_cpu *cpu, address_word cia, int exceptio
/* Co-processor accesses */
/* XXX FIXME: For now, assume that FPU (cp1) is always usable. */
#define COP_Usable(coproc_num) (coproc_num == 1)
void cop_lw PARAMS ((SIM_DESC sd, sim_cpu *cpu, address_word cia, int coproc_num, int coproc_reg, unsigned int memword));
void cop_ld PARAMS ((SIM_DESC sd, sim_cpu *cpu, address_word cia, int coproc_num, int coproc_reg, uword64 memword));
unsigned int cop_sw PARAMS ((SIM_DESC sd, sim_cpu *cpu, address_word cia, int coproc_num, int coproc_reg));