changeset 75379ad2028e in /z/repo/m5
details: http://repo.m5sim.org/m5?cmd=changeset;node=75379ad2028e
description:
Add copy implementations to palcode.
palcode/osfpal.s:
Add copypal loop copy implementation.
diffstat:
system/alpha/palcode/osfpal.s | 123 +-
system/alpha/palcode/osfpal_cache_copy.s | 5257 ++++++++++++++++++++
system/alpha/palcode/osfpal_cache_copy_unaligned.s | 5253 +++++++++++++++++++
3 files changed, 10631 insertions(+), 2 deletions(-)
diffs (truncated from 10662 to 300 lines):
diff -r 8e85b6d54396 -r 75379ad2028e system/alpha/palcode/osfpal.s
--- a/system/alpha/palcode/osfpal.s Mon May 17 02:04:19 2004 -0400
+++ b/system/alpha/palcode/osfpal.s Mon May 17 17:18:32 2004 -0400
@@ -3143,7 +3143,7 @@
//
mfpr r31, pt0 // pad last load to icsr write (in case
of replay, icsr will be written anyway) //orig
- mfpr r31, pt0 // "
//orig
+ mfpr r31, pt0 // ""
//orig
mfpr r0, icsr // Get icsr
//orig
//orig ldah r2, <1@<icsr_v_sde-16>>(r31) // Get a one in SHADOW_ENABLE
bit location
ldah r2, (1<<(ICSR_V_SDE-16))(r31) // Get a one in SHADOW_ENABLE
bit location //orig
@@ -4707,7 +4707,8 @@
CALL_PAL_UNPRIV(0x00BF)
CallPal_OpcDecBF:
- br r31, osfpal_calpal_opcdec
+ // MODIFIED BY EGH 2/25/04
+ br r31, copypal_impl
/*======================================================================*/
@@ -5121,3 +5122,121 @@
br r31, pal_ic_flush // Pal restriction - must flush
Icache if changing ICSR<SPE>
#endif
+
+copypal_impl:
+ mov r16, r0
+ ble r18, finished #if len <=0 we are finished
+ ldq_u r8, 0(r17)
+ xor r17, r16, r9
+ and r9, 7, r9
+ and r16, 7, r10
+ bne r9, unaligned
+ beq r10, aligned
+ ldq_u r9, 0(r16)
+ addq r18, r10, r18
+ mskqh r8, r17, r8
+ mskql r9, r17, r9
+ bis r8, r9, r8
+aligned:
+ subq r18, 1, r10
+ bic r10, 7, r10
+ and r18, 7, r18
+ beq r10, aligned_done
+loop:
+ stq_u r8, 0(r16)
+ ldq_u r8, 8(r17)
+ subq r10, 8, r10
+ lda r16,8(r16)
+ lda r17,8(r17)
+ bne r10, loop
+aligned_done:
+ bne r18, few_left
+ stq_u r8, 0(r16)
+ br r31, finished
+ few_left:
+ mskql r8, r18, r10
+ ldq_u r9, 0(r16)
+ mskqh r9, r18, r9
+ bis r10, r9, r10
+ stq_u r10, 0(r16)
+ br r31, finished
+unaligned:
+ addq r17, r18, r25
+ cmpule r18, 8, r9
+ bne r9, unaligned_few_left
+ beq r10, unaligned_dest_aligned
+ and r16, 7, r10
+ subq r31, r10, r10
+ addq r10, 8, r10
+ ldq_u r9, 7(r17)
+ extql r8, r17, r8
+ extqh r9, r17, r9
+ bis r8, r9, r12
+ insql r12, r16, r12
+ ldq_u r13, 0(r16)
+ mskql r13, r16, r13
+ bis r12, r13, r12
+ stq_u r12, 0(r16)
+ addq r16, r10, r16
+ addq r17, r10, r17
+ subq r18, r10, r18
+ ldq_u r8, 0(r17)
+unaligned_dest_aligned:
+ subq r18, 1, r10
+ bic r10, 7, r10
+ and r18, 7, r18
+ beq r10, unaligned_partial_left
+unaligned_loop:
+ ldq_u r9, 7(r17)
+ lda r17, 8(r17)
+ extql r8, r17, r12
+ extqh r9, r17, r13
+ subq r10, 8, r10
+ bis r12, r13, r13
+ stq r13, 0(r16)
+ lda r16, 8(r16)
+ beq r10, unaligned_second_partial_left
+ ldq_u r8, 7(r17)
+ lda r17, 8(r17)
+ extql r9, r17, r12
+ extqh r8, r17, r13
+ bis r12, r13, r13
+ subq r10, 8, r10
+ stq r13, 0(r16)
+ lda r16, 8(r16)
+ bne r10, unaligned_loop
+unaligned_partial_left:
+ mov r8, r9
+unaligned_second_partial_left:
+ ldq_u r8, -1(r25)
+ extql r9, r17, r9
+ extqh r8, r17, r8
+ bis r8, r9, r8
+ bne r18, few_left
+ stq_u r8, 0(r16)
+ br r31, finished
+unaligned_few_left:
+ ldq_u r9, -1(r25)
+ extql r8, r17, r8
+ extqh r9, r17, r9
+ bis r8, r9, r8
+ insqh r8, r16, r9
+ insql r8, r16, r8
+ lda r12, -1(r31)
+ mskql r12, r18, r13
+ cmovne r13, r13, r12
+ insqh r12, r16, r13
+ insql r12, r16, r12
+ addq r16, r18, r10
+ ldq_u r14, 0(r16)
+ ldq_u r25, -1(r10)
+ bic r14, r12, r14
+ bic r25, r13, r25
+ and r8, r12, r8
+ and r9, r13, r9
+ bis r8, r14, r8
+ bis r9, r25, r9
+ stq_u r9, -1(r10)
+ stq_u r8, 0(r16)
+finished:
+ hw_rei
diff -r 8e85b6d54396 -r 75379ad2028e system/alpha/palcode/osfpal_cache_copy.s
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/system/alpha/palcode/osfpal_cache_copy.s Mon May 17 17:18:32 2004 -0400
@@ -0,0 +1,5257 @@
+// modified to use the Hudson style "impure.h" instead of ev5_impure.sdl
+// since we don't have a mechanism to expand the data structures.... pb Nov/95
+
+// build_fixed_image: not sure what means
+// real_mm to be replaced during rewrite
+// remove_save_state remove_restore_state can be remooved to save space ??
+
+
+#include "ev5_defs.h"
+#include "ev5_impure.h"
+#include "ev5_alpha_defs.h"
+#include "ev5_paldef.h"
+#include "ev5_osfalpha_defs.h"
+#include "fromHudsonMacros.h"
+#include "fromHudsonOsf.h"
+#include "dc21164FromGasSources.h"
+
+#ifdef SIMOS
+#define DEBUGSTORE(c) nop
+#else
+#define DEBUGSTORE(c) \
+ lda r13, c(zero) ; \
+ bsr r25, debugstore
+#endif
+
+#define DEBUG_EXC_ADDR()\
+ bsr r25, put_exc_addr; \
+ DEBUGSTORE(13) ; \
+ DEBUGSTORE(10)
+
+#define egore 0
+#define acore 0
+#define beh_model 0
+#define ev5_p2 1
+#define ev5_p1 0
+#define ldvpte_bug_fix 1
+#define osf_chm_fix 0
+
+// Do we want to do this?? pb
+#define spe_fix 0
+// Do we want to do this?? pb
+#define build_fixed_image 0
+
+#define ev5_pass2
+#define enable_p4_fixups 0
+#define osf_svmin 1
+#define enable_physical_console 0
+#define fill_err_hack 0
+#define icflush_on_tbix 0
+#define max_cpuid 1
+#define perfmon_debug 0
+#define rawhide_system 0
+#define rax_mode 0
+
+
+// This is the fix for the user-mode super page references causing the machine
to crash.
+#if (spe_fix == 1) && (build_fixed_image==1)
+#define hw_rei_spe br r31, hw_rei_update_spe
+#else
+#define hw_rei_spe hw_rei
+#endif
+
+
+// redefine a few of the distribution-code names to match the Hudson gas
names.
+// opcodes
+#define ldqp ldq_p
+#define stqp stq_p
+#define ldlp ldl_p
+#define stlp stl_p
+
+#define r0 $0
+#define r1 $1
+#define r2 $2
+#define r3 $3
+#define r4 $4
+#define r5 $5
+#define r6 $6
+#define r7 $7
+#define r8 $8
+#define r9 $9
+#define r10 $10
+#define r11 $11
+#define r12 $12
+#define r13 $13
+#define r14 $14
+#define r15 $15
+#define r16 $16
+#define r17 $17
+#define r18 $18
+#define r19 $19
+#define r20 $20
+#define r21 $21
+#define r22 $22
+#define r23 $23
+#define r24 $24
+#define r25 $25
+#define r26 $26
+#define r27 $27
+#define r28 $28
+#define r29 $29
+#define r30 $30
+#define r31 $31
+
+// .title "EV5 OSF PAL"
+// .ident "V1.18"
+//
+//****************************************************************************
+//* *
+//* Copyright (c) 1992, 1993, 1994, 1995
*
+//* by DIGITAL Equipment Corporation, Maynard, Mass. *
+//* *
+//* This software is furnished under a license and may be used and copied *
+//* only in accordance with the terms of such license and with the *
+//* inclusion of the above copyright notice. This software or any other *
+//* copies thereof may not be provided or otherwise made available to any *
+//* other person. No title to and ownership of the software is hereby *
+//* transferred. *
+//* *
+//* The information in this software is subject to change without notice *
+//* and should not be construed as a commitment by DIGITAL Equipment *
+//* Corporation. *
+//* *
+//* DIGITAL assumes no responsibility for the use or reliability of its *
+//* software on equipment which is not supplied by DIGITAL. *
+//* *
+//****************************************************************************
+
+// .sbttl "Edit History"
+//+
+// Who Rev When What
+// ------------ --- ----------- --------------------------------
+// DB 0.0 03-Nov-1992 Start
+// DB 0.1 28-Dec-1992 add swpctx
+// DB 0.2 05-Jan-1993 Bug: PVC found mtpr dtb_CM -> virt ref
bug
+// DB 0.3 11-Jan-1993 rearrange trap entry points
+// DB 0.4 01-Feb-1993 add tbi
+// DB 0.5 04-Feb-1993 real MM, kludge reset flow, kludge
swppal
+// DB 0.6 09-Feb-1993 Bug: several stack pushers used r16 for
pc (should be r14)
+// DB 0.7 10-Feb-1993 Bug: pushed wrong PC (+8) on CALL_PAL
OPCDEC
+// Bug: typo on register number for store
in wrunique
+// Bug: rti to kern uses r16 as scratch
+// Bug: callsys saving wrong value in
pt_usp
+// DB 0.8 16-Feb-1993 PVC: fix possible pt write->read bug in
wrkgp, wrusp
+// DB 0.9 18-Feb-1993 Bug: invalid_dpte_handler shifted pte
twice
+// Bug: rti stl_c could corrupt the stack
+// Bug: unaligned returning wrong value in
r17 (or should be and)
+// DB 0.10 19-Feb-1993 Add draina, rd/wrmces, cflush, cserve,
interrupt
+// DB 0.11 23-Feb-1993 Turn caches on in reset flow
+// DB 0.12 10-Mar-1993 Bug: wrong value for icsr for FEN in
kern mode flow
+// DB 0.13 15-Mar-1993 Bug: wrong value pushed for PC in
invalid_dpte_handler if stack push tbmisses
+// DB 0.14 23-Mar-1993 Add impure pointer paltemp, reshuffle
some other paltemps to match VMS
+// DB 0.15 15-Apr-1993 Combine paltemps for WHAMI and MCES
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