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2004-05-11 Maciej W. Rozycki <macro@ds2.pg.gda.pl>

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* mips/interp.c (decode_coproc): Sign-extend the address retrieved
        from COP0_BADVADDR.
        * mips/sim-main.h (COP0_BADVADDR): Remove a cast.
This commit is contained in:
Chris Demetriou 2004-05-12 01:42:33 +00:00
parent 922d5ae03a
commit 1a27f959ea
3 changed files with 8 additions and 2 deletions
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6
sim/mips/ChangeLog
View File

@ -1,3 +1,9 @@
2004-05-11 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
* mips/interp.c (decode_coproc): Sign-extend the address retrieved
from COP0_BADVADDR.
* mips/sim-main.h (COP0_BADVADDR): Remove a cast.
2004-04-10 Chris Demetriou <cgd@broadcom.com>
* sb1.igen (DIV.PS, RECIP.PS, RSQRT.PS, SQRT.PS): New.

2
sim/mips/interp.c
View File

@ -2102,7 +2102,7 @@ decode_coproc (SIM_DESC sd,
case 8:
/* 8 = BadVAddr R4000 VR4100 VR4300 */
if (code == 0x00)
GPR[rt] = COP0_BADVADDR;
GPR[rt] = (signed_word) (signed_address) COP0_BADVADDR;
else
COP0_BADVADDR = GPR[rt];
break;

2
sim/mips/sim-main.h
View File

@ -383,7 +383,7 @@ struct _sim_cpu {
#define NR_COP0_GPR 32
unsigned_word cop0_gpr[NR_COP0_GPR];
#define COP0_GPR ((CPU)->cop0_gpr)
#define COP0_BADVADDR ((unsigned32)(COP0_GPR[8]))
#define COP0_BADVADDR (COP0_GPR[8])
/* While space is allocated for the floating point registers in the
main registers array, they are stored separatly. This is because