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* Backed out week-old attempt at enabling quadword memory access on

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MIPS sim; added PKE sim code fixes.  No COP2 testing progress today.

[ChangeLog]

Thu Apr  9 16:38:23 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* r5900.igen (LQC,SQC): Adapted code to DOUBLEWORD accesses
	instead of QUADWORD.

	* sim-main.h: Removed attempt at allowing 128-bit access.

[ChangeLog.sky]

Thu Apr  9 16:42:54 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* sky-pke.c (read_pke_pc): Corrected PKE PC calculation
	to word granularity.
This commit is contained in:
Frank Ch. Eigler 1998-04-09 20:56:00 +00:00
parent e5cccb7177
commit b0b39eb2de
3 changed files with 14 additions and 13 deletions
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9
sim/mips/ChangeLog
View file

@ -1,3 +1,12 @@
start-sanitize-sky
Thu Apr 9 16:38:23 1998 Frank Ch. Eigler <fche@cygnus.com>
* r5900.igen (LQC,SQC): Adapted code to DOUBLEWORD accesses
instead of QUADWORD.
* sim-main.h: Removed attempt at allowing 128-bit access.
end-sanitize-sky
start-sanitize-sky
Wed Apr 8 18:12:13 1998 Frank Ch. Eigler <fche@cygnus.com>

12
sim/mips/sim-main.h
View file

@ -837,18 +837,6 @@ decode_coproc (SD, CPU, cia, (instruction))
#define PSIZE (WITH_TARGET_ADDRESS_BITSIZE)
#endif
/* start-sanitize-sky */
#ifdef OOPS_THIS_DOESN_T_WORK
#ifdef TARGET_SKY
/* 128-bit accesses are allowed */
#undef LOADDRMASK
#define LOADDRMASK AccessLength_QUADWORD
#undef PSIZE
#define PSIZE (WITH_TARGET_ADDRESS_BITSIZE)
#endif /* TARGET_SKY */
#endif
/* end-sanitize-sky */
INLINE_SIM_MAIN (int) address_translation PARAMS ((SIM_DESC sd, sim_cpu *, address_word cia, address_word vAddr, int IorD, int LorS, address_word *pAddr, int *CCA, int raw));
#define AddressTranslation(vAddr,IorD,LorS,pAddr,CCA,host,raw) \

6
sim/mips/sky-pke.c
View file

@ -197,14 +197,16 @@ pke_attach(SIM_DESC sd, struct pke_device* me)
}
}
/* Read PKE Pseudo-PC into buf in target order */
int
read_pke_pc (struct pke_device *me, void *buf)
{
*((int *) buf) = H2T_4( me->fifo_pc );
*((int *) buf) = H2T_4( (me->fifo_pc << 2) | me->qw_pc );
return 4;
}
/* Read PKE reg into buf in target order */
int
read_pke_reg (struct pke_device *me, int reg_num, void *buf)
@ -415,6 +417,8 @@ write_pke_reg (struct pke_device *me, int reg_num, const void *buf)
return 4;
}
/* Handle a PKE write; return no. of bytes written */
int