From: <zengshuai@sogou.com>
To: "ppc" <linuxppc-embedded@ozlabs.org>
Subject: mfspr r0,638. Why 638 ?
Date: Sat, 3 Dec 2005 18:38:41 +0800 (CST) [thread overview]
Message-ID: <7707540.1133606321114.JavaMail.postfix@mx3.mail.sohu.com> (raw)
We know "mfspr r0,638" can get the IMMR.
But why?
I checked "MPC82xx Reference Manual","G2 PowerPC™ Core Reference Manual","Programming Environments Manual",
but I didn't find any word about that.How did the person who first known know?
"G2 PowerPC™ Core Reference Manual" where is the "SPR 638"?
Table 3-33. Implementation-Specific SPR Encodings (mfspr)
Decimal spr[5?9] spr[0?4] RegisterName Access
58 00001 11010 CSRR0 Supervisor
59 00001 11011 CSRR1 Supervisor
276 01000 10100 SPRG4 Supervisor
277 01000 10101 SPRG5 Supervisor
278 01000 10110 SPRG6 Supervisor
279 01000 10111 SPRG7 Supervisor
286 01000 11110 SVR Supervisor
309 01001 10101 IBCR Supervisor
310 01001 10110 DBCR Supervisor
311 01001 10111 MBAR Supervisor
317 01001 11101 DABR2 Supervisor
560 10001 10000 IBAT4U Supervisor
561 10001 10001 IBAT4L Supervisor
562 10001 10010 IBAT5U Supervisor
563 10001 10011 IBAT5L Supervisor
564 10001 10100 IBAT6U Supervisor
565 10001 10101 IBAT6L Supervisor
566 10001 10110 IBAT7U Supervisor
567 10001 10111 IBAT7L Supervisor
568 10001 11000 DBAT4U Supervisor
569 10001 11001 DBAT4L Supervisor
570 10001 11010 DBAT5U Supervisor
571 10001 11011 DBAT5L Supervisor
572 10001 11100 DBAT6U Supervisor
573 10001 11101 DBAT6L Supervisor
574 10001 11110 DBAT7U Supervisor
575 10001 11111 DBAT7L Supervisor
976 11110 10000 DMISS Supervisor
977 11110 10001 DCMP Supervisor
978 11110 10010 HASH1 Supervisor
979 11110 10011 HASH2 Supervisor
980 11110 10100 IMISS Supervisor
981 11110 10101 ICMP Supervisor
982 11110 10110 RPA Supervisor
1008 11111 10000 HID0 Supervisor
1009 11111 10001 HID1 Supervisor
1010 11111 10010 IABR Supervisor
1011 11111 10011 HID2 Supervisor
1013 11111 10101 DABR Supervisor
1018 11111 11010 IABR2 Supervisor
------------------------------
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next reply other threads:[~2005-12-03 10:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-03 10:38 zengshuai [this message]
2005-12-03 16:16 ` mfspr r0,638. Why 638 ? Kumar Gala
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