mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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6ab3d5624e
Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
1691 lines
26 KiB
ArmAsm
1691 lines
26 KiB
ArmAsm
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/* low-level asm for "intrigue" (PA8500-8700 CPU perf counters)
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*
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* Copyright (C) 2001 Randolph Chung <tausq at parisc-linux.org>
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* Copyright (C) 2001 Hewlett-Packard (Grant Grundler)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <asm/assembly.h>
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#ifdef CONFIG_64BIT
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.level 2.0w
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#endif /* CONFIG_64BIT */
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#define MTDIAG_1(gr) .word 0x14201840 + gr*0x10000
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#define MTDIAG_2(gr) .word 0x14401840 + gr*0x10000
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#define MFDIAG_1(gr) .word 0x142008A0 + gr
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#define MFDIAG_2(gr) .word 0x144008A0 + gr
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#define STDIAG(dr) .word 0x14000AA0 + dr*0x200000
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#define SFDIAG(dr) .word 0x14000BA0 + dr*0x200000
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#define DR2_SLOW_RET 53
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;
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; Enable the performance counters
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;
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; The coprocessor only needs to be enabled when
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; starting/stopping the coprocessor with the pmenb/pmdis.
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;
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.text
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.align 32
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.export perf_intrigue_enable_perf_counters,code
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perf_intrigue_enable_perf_counters:
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.proc
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.callinfo frame=0,NO_CALLS
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.entry
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ldi 0x20,%r25 ; load up perfmon bit
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mfctl ccr,%r26 ; get coprocessor register
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or %r25,%r26,%r26 ; set bit
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mtctl %r26,ccr ; turn on performance coprocessor
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pmenb ; enable performance monitor
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ssm 0,0 ; dummy op to ensure completion
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sync ; follow ERS
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andcm %r26,%r25,%r26 ; clear bit now
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mtctl %r26,ccr ; turn off performance coprocessor
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nop ; NOPs as specified in ERS
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nop
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nop
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nop
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nop
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nop
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nop
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bve (%r2)
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nop
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.exit
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.procend
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.export perf_intrigue_disable_perf_counters,code
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perf_intrigue_disable_perf_counters:
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.proc
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.callinfo frame=0,NO_CALLS
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.entry
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ldi 0x20,%r25 ; load up perfmon bit
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mfctl ccr,%r26 ; get coprocessor register
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or %r25,%r26,%r26 ; set bit
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mtctl %r26,ccr ; turn on performance coprocessor
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pmdis ; disable performance monitor
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ssm 0,0 ; dummy op to ensure completion
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andcm %r26,%r25,%r26 ; clear bit now
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bve (%r2)
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mtctl %r26,ccr ; turn off performance coprocessor
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.exit
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.procend
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;***********************************************************************
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;*
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;* Name: perf_rdr_shift_in_W
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;*
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;* Description:
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;* This routine shifts data in from the RDR in arg0 and returns
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;* the result in ret0. If the RDR is <= 64 bits in length, it
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;* is shifted shifted backup immediately. This is to compensate
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;* for RDR10 which has bits that preclude PDC stack operations
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;* when they are in the wrong state.
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;*
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;* Arguments:
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;* arg0 : rdr to be read
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;* arg1 : bit length of rdr
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;*
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;* Returns:
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;* ret0 = next 64 bits of rdr data from staging register
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;*
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;* Register usage:
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;* arg0 : rdr to be read
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;* arg1 : bit length of rdr
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;* %r24 - original DR2 value
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;* %r1 - scratch
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;* %r29 - scratch
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;*
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;* Returns:
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;* ret0 = RDR data (right justified)
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;*
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;***********************************************************************
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.export perf_rdr_shift_in_W,code
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perf_rdr_shift_in_W:
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.proc
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.callinfo frame=0,NO_CALLS
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.entry
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;
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; read(shift in) the RDR.
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;
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; NOTE: The PCX-W ERS states that DR2_SLOW_RET must be set before any
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; shifting is done, from or to, remote diagnose registers.
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;
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depdi,z 1,DR2_SLOW_RET,1,%r29
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MFDIAG_2 (24)
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or %r24,%r29,%r29
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MTDIAG_2 (29) ; set DR2_SLOW_RET
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nop
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nop
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nop
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nop
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;
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; Cacheline start (32-byte cacheline)
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;
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nop
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nop
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nop
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extrd,u arg1,63,6,%r1 ; setup shift amount by bits to move
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mtsar %r1
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shladd arg0,2,%r0,%r1 ; %r1 = 4 * RDR number
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blr %r1,%r0 ; branch to 8-instruction sequence
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nop
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;
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; Cacheline start (32-byte cacheline)
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;
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;
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; RDR 0 sequence
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;
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SFDIAG (0)
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ssm 0,0
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MFDIAG_1 (28)
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shrpd ret0,%r0,%sar,%r1
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MTDIAG_1 (1) ; mtdiag %dr1, %r1
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STDIAG (0)
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ssm 0,0
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b,n perf_rdr_shift_in_W_leave
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;
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; RDR 1 sequence
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;
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sync
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ssm 0,0
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SFDIAG (1)
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ssm 0,0
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MFDIAG_1 (28)
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ssm 0,0
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b,n perf_rdr_shift_in_W_leave
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nop
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;
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; RDR 2 read sequence
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;
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SFDIAG (2)
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ssm 0,0
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MFDIAG_1 (28)
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shrpd ret0,%r0,%sar,%r1
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MTDIAG_1 (1)
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STDIAG (2)
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ssm 0,0
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b,n perf_rdr_shift_in_W_leave
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;
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; RDR 3 read sequence
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;
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b,n perf_rdr_shift_in_W_leave
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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;
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; RDR 4 read sequence
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;
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sync
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ssm 0,0
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SFDIAG (4)
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ssm 0,0
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MFDIAG_1 (28)
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b,n perf_rdr_shift_in_W_leave
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ssm 0,0
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nop
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;
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; RDR 5 read sequence
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;
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sync
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ssm 0,0
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SFDIAG (5)
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ssm 0,0
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MFDIAG_1 (28)
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b,n perf_rdr_shift_in_W_leave
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ssm 0,0
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nop
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;
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; RDR 6 read sequence
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;
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sync
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ssm 0,0
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SFDIAG (6)
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ssm 0,0
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MFDIAG_1 (28)
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b,n perf_rdr_shift_in_W_leave
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ssm 0,0
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nop
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;
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; RDR 7 read sequence
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;
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b,n perf_rdr_shift_in_W_leave
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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;
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; RDR 8 read sequence
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;
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b,n perf_rdr_shift_in_W_leave
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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;
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; RDR 9 read sequence
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;
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b,n perf_rdr_shift_in_W_leave
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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;
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; RDR 10 read sequence
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;
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SFDIAG (10)
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ssm 0,0
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MFDIAG_1 (28)
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shrpd ret0,%r0,%sar,%r1
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MTDIAG_1 (1)
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STDIAG (10)
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ssm 0,0
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b,n perf_rdr_shift_in_W_leave
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;
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; RDR 11 read sequence
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;
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SFDIAG (11)
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ssm 0,0
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MFDIAG_1 (28)
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shrpd ret0,%r0,%sar,%r1
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MTDIAG_1 (1)
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STDIAG (11)
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ssm 0,0
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b,n perf_rdr_shift_in_W_leave
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;
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; RDR 12 read sequence
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;
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b,n perf_rdr_shift_in_W_leave
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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;
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; RDR 13 read sequence
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;
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sync
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ssm 0,0
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SFDIAG (13)
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ssm 0,0
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MFDIAG_1 (28)
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b,n perf_rdr_shift_in_W_leave
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ssm 0,0
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nop
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;
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; RDR 14 read sequence
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;
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SFDIAG (14)
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ssm 0,0
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MFDIAG_1 (28)
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shrpd ret0,%r0,%sar,%r1
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MTDIAG_1 (1)
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STDIAG (14)
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ssm 0,0
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b,n perf_rdr_shift_in_W_leave
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;
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; RDR 15 read sequence
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;
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sync
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ssm 0,0
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SFDIAG (15)
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ssm 0,0
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MFDIAG_1 (28)
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ssm 0,0
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b,n perf_rdr_shift_in_W_leave
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nop
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;
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; RDR 16 read sequence
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;
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sync
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ssm 0,0
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SFDIAG (16)
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ssm 0,0
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MFDIAG_1 (28)
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b,n perf_rdr_shift_in_W_leave
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ssm 0,0
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nop
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;
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; RDR 17 read sequence
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;
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SFDIAG (17)
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ssm 0,0
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MFDIAG_1 (28)
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shrpd ret0,%r0,%sar,%r1
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MTDIAG_1 (1)
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STDIAG (17)
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ssm 0,0
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b,n perf_rdr_shift_in_W_leave
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;
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; RDR 18 read sequence
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;
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SFDIAG (18)
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ssm 0,0
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MFDIAG_1 (28)
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shrpd ret0,%r0,%sar,%r1
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MTDIAG_1 (1)
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STDIAG (18)
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ssm 0,0
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b,n perf_rdr_shift_in_W_leave
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;
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; RDR 19 read sequence
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;
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b,n perf_rdr_shift_in_W_leave
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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;
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; RDR 20 read sequence
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;
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sync
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ssm 0,0
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SFDIAG (20)
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ssm 0,0
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MFDIAG_1 (28)
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b,n perf_rdr_shift_in_W_leave
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ssm 0,0
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nop
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;
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; RDR 21 read sequence
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;
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sync
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ssm 0,0
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SFDIAG (21)
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ssm 0,0
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MFDIAG_1 (28)
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b,n perf_rdr_shift_in_W_leave
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ssm 0,0
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nop
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;
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; RDR 22 read sequence
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;
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sync
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ssm 0,0
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SFDIAG (22)
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ssm 0,0
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MFDIAG_1 (28)
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b,n perf_rdr_shift_in_W_leave
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ssm 0,0
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nop
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;
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; RDR 23 read sequence
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;
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sync
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ssm 0,0
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SFDIAG (23)
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ssm 0,0
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MFDIAG_1 (28)
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b,n perf_rdr_shift_in_W_leave
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ssm 0,0
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nop
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;
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; RDR 24 read sequence
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;
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sync
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ssm 0,0
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SFDIAG (24)
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ssm 0,0
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MFDIAG_1 (28)
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b,n perf_rdr_shift_in_W_leave
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ssm 0,0
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nop
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;
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; RDR 25 read sequence
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;
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sync
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ssm 0,0
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SFDIAG (25)
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ssm 0,0
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MFDIAG_1 (28)
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b,n perf_rdr_shift_in_W_leave
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ssm 0,0
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nop
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;
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; RDR 26 read sequence
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;
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SFDIAG (26)
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ssm 0,0
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MFDIAG_1 (28)
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shrpd ret0,%r0,%sar,%r1
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MTDIAG_1 (1)
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STDIAG (26)
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ssm 0,0
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b,n perf_rdr_shift_in_W_leave
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;
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; RDR 27 read sequence
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;
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SFDIAG (27)
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ssm 0,0
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MFDIAG_1 (28)
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shrpd ret0,%r0,%sar,%r1
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MTDIAG_1 (1)
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STDIAG (27)
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ssm 0,0
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b,n perf_rdr_shift_in_W_leave
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;
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; RDR 28 read sequence
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;
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sync
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ssm 0,0
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SFDIAG (28)
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ssm 0,0
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MFDIAG_1 (28)
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b,n perf_rdr_shift_in_W_leave
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ssm 0,0
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nop
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;
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; RDR 29 read sequence
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;
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sync
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ssm 0,0
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SFDIAG (29)
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ssm 0,0
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MFDIAG_1 (28)
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b,n perf_rdr_shift_in_W_leave
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ssm 0,0
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nop
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;
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; RDR 30 read sequence
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;
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SFDIAG (30)
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ssm 0,0
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MFDIAG_1 (28)
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shrpd ret0,%r0,%sar,%r1
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MTDIAG_1 (1)
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STDIAG (30)
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ssm 0,0
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b,n perf_rdr_shift_in_W_leave
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;
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; RDR 31 read sequence
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;
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sync
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ssm 0,0
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SFDIAG (31)
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ssm 0,0
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MFDIAG_1 (28)
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nop
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ssm 0,0
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nop
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;
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; Fallthrough
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;
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perf_rdr_shift_in_W_leave:
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bve (%r2)
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.exit
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MTDIAG_2 (24) ; restore DR2
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.procend
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|
|
|
|
;***********************************************************************
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;*
|
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;* Name: perf_rdr_shift_out_W
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;*
|
|
;* Description:
|
|
;* This routine moves data to the RDR's. The double-word that
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;* arg1 points to is loaded and moved into the staging register.
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|
;* Then the STDIAG instruction for the RDR # in arg0 is called
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;* to move the data to the RDR.
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;*
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;* Arguments:
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;* arg0 = rdr number
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|
;* arg1 = 64-bit value to write
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|
;* %r24 - DR2 | DR2_SLOW_RET
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;* %r23 - original DR2 value
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;*
|
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;* Returns:
|
|
;* None
|
|
;*
|
|
;* Register usage:
|
|
;*
|
|
;***********************************************************************
|
|
|
|
.export perf_rdr_shift_out_W,code
|
|
perf_rdr_shift_out_W:
|
|
.proc
|
|
.callinfo frame=0,NO_CALLS
|
|
.entry
|
|
;
|
|
; NOTE: The PCX-W ERS states that DR2_SLOW_RET must be set before any
|
|
; shifting is done, from or to, the remote diagnose registers.
|
|
;
|
|
|
|
depdi,z 1,DR2_SLOW_RET,1,%r24
|
|
MFDIAG_2 (23)
|
|
or %r24,%r23,%r24
|
|
MTDIAG_2 (24) ; set DR2_SLOW_RET
|
|
MTDIAG_1 (25) ; data to the staging register
|
|
shladd arg0,2,%r0,%r1 ; %r1 = 4 * RDR number
|
|
blr %r1,%r0 ; branch to 8-instruction sequence
|
|
nop
|
|
|
|
;
|
|
; RDR 0 write sequence
|
|
;
|
|
sync ; RDR 0 write sequence
|
|
ssm 0,0
|
|
STDIAG (0)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 1 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (1)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 2 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (2)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 3 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (3)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 4 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (4)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 5 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (5)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 6 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (6)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 7 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (7)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 8 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (8)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 9 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (9)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 10 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (10)
|
|
STDIAG (26)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 11 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (11)
|
|
STDIAG (27)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 12 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (12)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 13 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (13)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 14 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (14)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 15 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (15)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 16 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (16)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 17 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (17)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 18 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (18)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 19 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (19)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 20 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (20)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 21 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (21)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 22 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (22)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 23 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (23)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 24 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (24)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 25 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (25)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 26 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (10)
|
|
STDIAG (26)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 27 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (11)
|
|
STDIAG (27)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 28 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (28)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 29 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (29)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 30 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (30)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
;
|
|
; RDR 31 write sequence
|
|
;
|
|
sync
|
|
ssm 0,0
|
|
STDIAG (31)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_W_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
perf_rdr_shift_out_W_leave:
|
|
bve (%r2)
|
|
.exit
|
|
MTDIAG_2 (23) ; restore DR2
|
|
.procend
|
|
|
|
|
|
;***********************************************************************
|
|
;*
|
|
;* Name: rdr_shift_in_U
|
|
;*
|
|
;* Description:
|
|
;* This routine shifts data in from the RDR in arg0 and returns
|
|
;* the result in ret0. If the RDR is <= 64 bits in length, it
|
|
;* is shifted shifted backup immediately. This is to compensate
|
|
;* for RDR10 which has bits that preclude PDC stack operations
|
|
;* when they are in the wrong state.
|
|
;*
|
|
;* Arguments:
|
|
;* arg0 : rdr to be read
|
|
;* arg1 : bit length of rdr
|
|
;*
|
|
;* Returns:
|
|
;* ret0 = next 64 bits of rdr data from staging register
|
|
;*
|
|
;* Register usage:
|
|
;* arg0 : rdr to be read
|
|
;* arg1 : bit length of rdr
|
|
;* %r24 - original DR2 value
|
|
;* %r23 - DR2 | DR2_SLOW_RET
|
|
;* %r1 - scratch
|
|
;*
|
|
;***********************************************************************
|
|
|
|
.export perf_rdr_shift_in_U,code
|
|
perf_rdr_shift_in_U:
|
|
.proc
|
|
.callinfo frame=0,NO_CALLS
|
|
.entry
|
|
|
|
; read(shift in) the RDR.
|
|
;
|
|
; NOTE: The PCX-U ERS states that DR2_SLOW_RET must be set before any
|
|
; shifting is done, from or to, remote diagnose registers.
|
|
|
|
depdi,z 1,DR2_SLOW_RET,1,%r29
|
|
MFDIAG_2 (24)
|
|
or %r24,%r29,%r29
|
|
MTDIAG_2 (29) ; set DR2_SLOW_RET
|
|
|
|
nop
|
|
nop
|
|
nop
|
|
nop
|
|
|
|
;
|
|
; Start of next 32-byte cacheline
|
|
;
|
|
nop
|
|
nop
|
|
nop
|
|
extrd,u arg1,63,6,%r1
|
|
|
|
mtsar %r1
|
|
shladd arg0,2,%r0,%r1 ; %r1 = 4 * RDR number
|
|
blr %r1,%r0 ; branch to 8-instruction sequence
|
|
nop
|
|
|
|
;
|
|
; Start of next 32-byte cacheline
|
|
;
|
|
SFDIAG (0) ; RDR 0 read sequence
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
shrpd ret0,%r0,%sar,%r1
|
|
MTDIAG_1 (1)
|
|
STDIAG (0)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_in_U_leave
|
|
|
|
SFDIAG (1) ; RDR 1 read sequence
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
shrpd ret0,%r0,%sar,%r1
|
|
MTDIAG_1 (1)
|
|
STDIAG (1)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_in_U_leave
|
|
|
|
sync ; RDR 2 read sequence
|
|
ssm 0,0
|
|
SFDIAG (4)
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
b,n perf_rdr_shift_in_U_leave
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 3 read sequence
|
|
ssm 0,0
|
|
SFDIAG (3)
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
b,n perf_rdr_shift_in_U_leave
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 4 read sequence
|
|
ssm 0,0
|
|
SFDIAG (4)
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
b,n perf_rdr_shift_in_U_leave
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 5 read sequence
|
|
ssm 0,0
|
|
SFDIAG (5)
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
b,n perf_rdr_shift_in_U_leave
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 6 read sequence
|
|
ssm 0,0
|
|
SFDIAG (6)
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
b,n perf_rdr_shift_in_U_leave
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 7 read sequence
|
|
ssm 0,0
|
|
SFDIAG (7)
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
b,n perf_rdr_shift_in_U_leave
|
|
ssm 0,0
|
|
nop
|
|
|
|
b,n perf_rdr_shift_in_U_leave
|
|
nop
|
|
nop
|
|
nop
|
|
nop
|
|
nop
|
|
nop
|
|
nop
|
|
|
|
SFDIAG (9) ; RDR 9 read sequence
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
shrpd ret0,%r0,%sar,%r1
|
|
MTDIAG_1 (1)
|
|
STDIAG (9)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_in_U_leave
|
|
|
|
SFDIAG (10) ; RDR 10 read sequence
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
shrpd ret0,%r0,%sar,%r1
|
|
MTDIAG_1 (1)
|
|
STDIAG (10)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_in_U_leave
|
|
|
|
SFDIAG (11) ; RDR 11 read sequence
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
shrpd ret0,%r0,%sar,%r1
|
|
MTDIAG_1 (1)
|
|
STDIAG (11)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_in_U_leave
|
|
|
|
SFDIAG (12) ; RDR 12 read sequence
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
shrpd ret0,%r0,%sar,%r1
|
|
MTDIAG_1 (1)
|
|
STDIAG (12)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_in_U_leave
|
|
|
|
SFDIAG (13) ; RDR 13 read sequence
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
shrpd ret0,%r0,%sar,%r1
|
|
MTDIAG_1 (1)
|
|
STDIAG (13)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_in_U_leave
|
|
|
|
SFDIAG (14) ; RDR 14 read sequence
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
shrpd ret0,%r0,%sar,%r1
|
|
MTDIAG_1 (1)
|
|
STDIAG (14)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_in_U_leave
|
|
|
|
SFDIAG (15) ; RDR 15 read sequence
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
shrpd ret0,%r0,%sar,%r1
|
|
MTDIAG_1 (1)
|
|
STDIAG (15)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_in_U_leave
|
|
|
|
sync ; RDR 16 read sequence
|
|
ssm 0,0
|
|
SFDIAG (16)
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
b,n perf_rdr_shift_in_U_leave
|
|
ssm 0,0
|
|
nop
|
|
|
|
SFDIAG (17) ; RDR 17 read sequence
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
shrpd ret0,%r0,%sar,%r1
|
|
MTDIAG_1 (1)
|
|
STDIAG (17)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_in_U_leave
|
|
|
|
SFDIAG (18) ; RDR 18 read sequence
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
shrpd ret0,%r0,%sar,%r1
|
|
MTDIAG_1 (1)
|
|
STDIAG (18)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_in_U_leave
|
|
|
|
b,n perf_rdr_shift_in_U_leave
|
|
nop
|
|
nop
|
|
nop
|
|
nop
|
|
nop
|
|
nop
|
|
nop
|
|
|
|
sync ; RDR 20 read sequence
|
|
ssm 0,0
|
|
SFDIAG (20)
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
b,n perf_rdr_shift_in_U_leave
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 21 read sequence
|
|
ssm 0,0
|
|
SFDIAG (21)
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
b,n perf_rdr_shift_in_U_leave
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 22 read sequence
|
|
ssm 0,0
|
|
SFDIAG (22)
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
b,n perf_rdr_shift_in_U_leave
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 23 read sequence
|
|
ssm 0,0
|
|
SFDIAG (23)
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
b,n perf_rdr_shift_in_U_leave
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 24 read sequence
|
|
ssm 0,0
|
|
SFDIAG (24)
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
b,n perf_rdr_shift_in_U_leave
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 25 read sequence
|
|
ssm 0,0
|
|
SFDIAG (25)
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
b,n perf_rdr_shift_in_U_leave
|
|
ssm 0,0
|
|
nop
|
|
|
|
SFDIAG (26) ; RDR 26 read sequence
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
shrpd ret0,%r0,%sar,%r1
|
|
MTDIAG_1 (1)
|
|
STDIAG (26)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_in_U_leave
|
|
|
|
SFDIAG (27) ; RDR 27 read sequence
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
shrpd ret0,%r0,%sar,%r1
|
|
MTDIAG_1 (1)
|
|
STDIAG (27)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_in_U_leave
|
|
|
|
sync ; RDR 28 read sequence
|
|
ssm 0,0
|
|
SFDIAG (28)
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
b,n perf_rdr_shift_in_U_leave
|
|
ssm 0,0
|
|
nop
|
|
|
|
b,n perf_rdr_shift_in_U_leave
|
|
nop
|
|
nop
|
|
nop
|
|
nop
|
|
nop
|
|
nop
|
|
nop
|
|
|
|
SFDIAG (30) ; RDR 30 read sequence
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
shrpd ret0,%r0,%sar,%r1
|
|
MTDIAG_1 (1)
|
|
STDIAG (30)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_in_U_leave
|
|
|
|
SFDIAG (31) ; RDR 31 read sequence
|
|
ssm 0,0
|
|
MFDIAG_1 (28)
|
|
shrpd ret0,%r0,%sar,%r1
|
|
MTDIAG_1 (1)
|
|
STDIAG (31)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_in_U_leave
|
|
nop
|
|
|
|
perf_rdr_shift_in_U_leave:
|
|
bve (%r2)
|
|
.exit
|
|
MTDIAG_2 (24) ; restore DR2
|
|
.procend
|
|
|
|
;***********************************************************************
|
|
;*
|
|
;* Name: rdr_shift_out_U
|
|
;*
|
|
;* Description:
|
|
;* This routine moves data to the RDR's. The double-word that
|
|
;* arg1 points to is loaded and moved into the staging register.
|
|
;* Then the STDIAG instruction for the RDR # in arg0 is called
|
|
;* to move the data to the RDR.
|
|
;*
|
|
;* Arguments:
|
|
;* arg0 = rdr target
|
|
;* arg1 = buffer pointer
|
|
;*
|
|
;* Returns:
|
|
;* None
|
|
;*
|
|
;* Register usage:
|
|
;* arg0 = rdr target
|
|
;* arg1 = buffer pointer
|
|
;* %r24 - DR2 | DR2_SLOW_RET
|
|
;* %r23 - original DR2 value
|
|
;*
|
|
;***********************************************************************
|
|
|
|
.export perf_rdr_shift_out_U,code
|
|
perf_rdr_shift_out_U:
|
|
.proc
|
|
.callinfo frame=0,NO_CALLS
|
|
.entry
|
|
|
|
;
|
|
; NOTE: The PCX-U ERS states that DR2_SLOW_RET must be set before any
|
|
; shifting is done, from or to, the remote diagnose registers.
|
|
;
|
|
|
|
depdi,z 1,DR2_SLOW_RET,1,%r24
|
|
MFDIAG_2 (23)
|
|
or %r24,%r23,%r24
|
|
MTDIAG_2 (24) ; set DR2_SLOW_RET
|
|
|
|
MTDIAG_1 (25) ; data to the staging register
|
|
shladd arg0,2,%r0,%r1 ; %r1 = 4 * RDR number
|
|
blr %r1,%r0 ; branch to 8-instruction sequence
|
|
nop
|
|
|
|
;
|
|
; 32-byte cachline aligned
|
|
;
|
|
|
|
sync ; RDR 0 write sequence
|
|
ssm 0,0
|
|
STDIAG (0)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 1 write sequence
|
|
ssm 0,0
|
|
STDIAG (1)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 2 write sequence
|
|
ssm 0,0
|
|
STDIAG (2)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 3 write sequence
|
|
ssm 0,0
|
|
STDIAG (3)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 4 write sequence
|
|
ssm 0,0
|
|
STDIAG (4)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 5 write sequence
|
|
ssm 0,0
|
|
STDIAG (5)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 6 write sequence
|
|
ssm 0,0
|
|
STDIAG (6)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 7 write sequence
|
|
ssm 0,0
|
|
STDIAG (7)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 8 write sequence
|
|
ssm 0,0
|
|
STDIAG (8)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 9 write sequence
|
|
ssm 0,0
|
|
STDIAG (9)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 10 write sequence
|
|
ssm 0,0
|
|
STDIAG (10)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 11 write sequence
|
|
ssm 0,0
|
|
STDIAG (11)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 12 write sequence
|
|
ssm 0,0
|
|
STDIAG (12)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 13 write sequence
|
|
ssm 0,0
|
|
STDIAG (13)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 14 write sequence
|
|
ssm 0,0
|
|
STDIAG (14)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 15 write sequence
|
|
ssm 0,0
|
|
STDIAG (15)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 16 write sequence
|
|
ssm 0,0
|
|
STDIAG (16)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 17 write sequence
|
|
ssm 0,0
|
|
STDIAG (17)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 18 write sequence
|
|
ssm 0,0
|
|
STDIAG (18)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 19 write sequence
|
|
ssm 0,0
|
|
STDIAG (19)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 20 write sequence
|
|
ssm 0,0
|
|
STDIAG (20)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 21 write sequence
|
|
ssm 0,0
|
|
STDIAG (21)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 22 write sequence
|
|
ssm 0,0
|
|
STDIAG (22)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 23 write sequence
|
|
ssm 0,0
|
|
STDIAG (23)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 24 write sequence
|
|
ssm 0,0
|
|
STDIAG (24)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 25 write sequence
|
|
ssm 0,0
|
|
STDIAG (25)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 26 write sequence
|
|
ssm 0,0
|
|
STDIAG (26)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 27 write sequence
|
|
ssm 0,0
|
|
STDIAG (27)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 28 write sequence
|
|
ssm 0,0
|
|
STDIAG (28)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 29 write sequence
|
|
ssm 0,0
|
|
STDIAG (29)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 30 write sequence
|
|
ssm 0,0
|
|
STDIAG (30)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
sync ; RDR 31 write sequence
|
|
ssm 0,0
|
|
STDIAG (31)
|
|
ssm 0,0
|
|
b,n perf_rdr_shift_out_U_leave
|
|
nop
|
|
ssm 0,0
|
|
nop
|
|
|
|
perf_rdr_shift_out_U_leave:
|
|
bve (%r2)
|
|
.exit
|
|
MTDIAG_2 (23) ; restore DR2
|
|
.procend
|
|
|