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2008-12-15 Joel Sherrill <joel.sherrill@oarcorp.com>

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* ppc-instructions, ppc-spr-table: Add ability
	to read tbrl and tbru special registers.
This commit is contained in:
Joel Sherrill 2008-12-15 19:48:06 +00:00
parent 7df76b802e
commit e3b96e32ca
3 changed files with 15 additions and 0 deletions
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5
sim/ppc/ChangeLog
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@ -1,3 +1,8 @@
2008-12-15 Joel Sherrill <joel.sherrill@oarcorp.com>
* ppc-instructions, ppc-spr-table: Add ability
to read tbrl and tbru special registers.
2008-11-18 Joel Sherrill <joel.sherrill@oarcorp.com>
* configure: Regenerated.

8
sim/ppc/ppc-instructions
View file

@ -3402,6 +3402,14 @@ void::function::invalid_zero_divide_operation:cpu *processor, unsigned_word cia,
case spr_dec:
*rT = cpu_get_decrementer(processor);
break;
case spr_tbrl:
if (is_64bit_implementation) *rT = TB;
else *rT = EXTRACTED64(TB, 32, 63);
break;
case spr_tbru:
if (is_64bit_implementation) *rT = EXTRACTED64(TB, 0, 31);
else *rT = EXTRACTED64(TB, 0, 31);
break;
case spr_tbu:
case spr_tbl:
/* NOTE - these SPR's are not readable. Use mftb[ul] */

2
sim/ppc/ppc-spr-table
View file

@ -32,6 +32,8 @@ SDR1:25:0:0
SRR0:26:0:0
SRR1:27:0:0
VRSAVE:256:0:0
TBRL:268:0:0
TBRU:269:0:0
SPRG0:272:0:0
SPRG1:273:0:0
SPRG2:274:0:0