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Diffstat (limited to 'arch/parisc/kernel/perf_asm.S')
| -rw-r--r-- | arch/parisc/kernel/perf_asm.S | 1679 |
1 files changed, 1679 insertions, 0 deletions
diff --git a/arch/parisc/kernel/perf_asm.S b/arch/parisc/kernel/perf_asm.S new file mode 100644 index 000000000..8fceabb1a --- /dev/null +++ b/arch/parisc/kernel/perf_asm.S @@ -0,0 +1,1679 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +/* low-level asm for "intrigue" (PA8500-8700 CPU perf counters) + * + * Copyright (C) 2001 Randolph Chung <tausq at parisc-linux.org> + * Copyright (C) 2001 Hewlett-Packard (Grant Grundler) + */ + +#include <asm/assembly.h> + +#include <linux/init.h> +#include <linux/linkage.h> + +#ifdef CONFIG_64BIT + .level 2.0w +#endif /* CONFIG_64BIT */ + +#define MTDIAG_1(gr) .word 0x14201840 + gr*0x10000 +#define MTDIAG_2(gr) .word 0x14401840 + gr*0x10000 +#define MFDIAG_1(gr) .word 0x142008A0 + gr +#define MFDIAG_2(gr) .word 0x144008A0 + gr +#define STDIAG(dr) .word 0x14000AA0 + dr*0x200000 +#define SFDIAG(dr) .word 0x14000BA0 + dr*0x200000 +#define DR2_SLOW_RET 53 + + +; +; Enable the performance counters +; +; The coprocessor only needs to be enabled when +; starting/stopping the coprocessor with the pmenb/pmdis. +; + .text + +ENTRY(perf_intrigue_enable_perf_counters) + .proc + .callinfo frame=0,NO_CALLS + .entry + + ldi 0x20,%r25 ; load up perfmon bit + mfctl ccr,%r26 ; get coprocessor register + or %r25,%r26,%r26 ; set bit + mtctl %r26,ccr ; turn on performance coprocessor + pmenb ; enable performance monitor + ssm 0,0 ; dummy op to ensure completion + sync ; follow ERS + andcm %r26,%r25,%r26 ; clear bit now + mtctl %r26,ccr ; turn off performance coprocessor + nop ; NOPs as specified in ERS + nop + nop + nop + nop + nop + nop + bve (%r2) + nop + .exit + .procend +ENDPROC(perf_intrigue_enable_perf_counters) + +ENTRY(perf_intrigue_disable_perf_counters) + .proc + .callinfo frame=0,NO_CALLS + .entry + ldi 0x20,%r25 ; load up perfmon bit + mfctl ccr,%r26 ; get coprocessor register + or %r25,%r26,%r26 ; set bit + mtctl %r26,ccr ; turn on performance coprocessor + pmdis ; disable performance monitor + ssm 0,0 ; dummy op to ensure completion + andcm %r26,%r25,%r26 ; clear bit now + bve (%r2) + mtctl %r26,ccr ; turn off performance coprocessor + .exit + .procend +ENDPROC(perf_intrigue_disable_perf_counters) + +;*********************************************************************** +;* +;* Name: perf_rdr_shift_in_W +;* +;* 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 +;* %r1 - scratch +;* %r29 - scratch +;* +;* Returns: +;* ret0 = RDR data (right justified) +;* +;*********************************************************************** + +ENTRY(perf_rdr_shift_in_W) + .proc + .callinfo frame=0,NO_CALLS + .entry +; +; read(shift in) the RDR. +; + +; NOTE: The PCX-W 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 + +; +; Cacheline start (32-byte cacheline) +; + nop + nop + nop + extrd,u arg1,63,6,%r1 ; setup shift amount by bits to move + + mtsar %r1 + shladd arg0,2,%r0,%r1 ; %r1 = 4 * RDR number + blr %r1,%r0 ; branch to 8-instruction sequence + nop + +; +; Cacheline start (32-byte cacheline) +; + + ; + ; RDR 0 sequence + ; + SFDIAG (0) + ssm 0,0 + MFDIAG_1 (28) + shrpd ret0,%r0,%sar,%r1 + MTDIAG_1 (1) ; mtdiag %dr1, %r1 + STDIAG (0) + ssm 0,0 + b,n perf_rdr_shift_in_W_leave + + ; + ; RDR 1 sequence + ; + sync + ssm 0,0 + SFDIAG (1) + ssm 0,0 + MFDIAG_1 (28) + ssm 0,0 + b,n perf_rdr_shift_in_W_leave + nop + + ; + ; RDR 2 read sequence + ; + SFDIAG (2) + ssm 0,0 + MFDIAG_1 (28) + shrpd ret0,%r0,%sar,%r1 + MTDIAG_1 (1) + STDIAG (2) + ssm 0,0 + b,n perf_rdr_shift_in_W_leave + + ; + ; RDR 3 read sequence + ; + b,n perf_rdr_shift_in_W_leave + nop + nop + nop + nop + nop + nop + nop + + ; + ; RDR 4 read sequence + ; + sync + ssm 0,0 + SFDIAG (4) + ssm 0,0 + MFDIAG_1 (28) + b,n perf_rdr_shift_in_W_leave + ssm 0,0 + nop + + ; + ; RDR 5 read sequence + ; + sync + ssm 0,0 + SFDIAG (5) + ssm 0,0 + MFDIAG_1 (28) + b,n perf_rdr_shift_in_W_leave + ssm 0,0 + nop + + ; + ; RDR 6 read sequence + ; + sync + ssm 0,0 + SFDIAG (6) + ssm 0,0 + MFDIAG_1 (28) + b,n perf_rdr_shift_in_W_leave + ssm 0,0 + nop + + ; + ; RDR 7 read sequence + ; + b,n perf_rdr_shift_in_W_leave + nop + nop + nop + nop + nop + nop + nop + + ; + ; RDR 8 read sequence + ; + b,n perf_rdr_shift_in_W_leave + nop + nop + nop + nop + nop + nop + nop + + ; + ; RDR 9 read sequence + ; + b,n perf_rdr_shift_in_W_leave + nop + nop + nop + nop + nop + nop + nop + + ; + ; RDR 10 read sequence + ; + SFDIAG (10) + 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_W_leave + + ; + ; RDR 11 read sequence + ; + SFDIAG (11) + 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_W_leave + + ; + ; RDR 12 read sequence + ; + b,n perf_rdr_shift_in_W_leave + nop + nop + nop + nop + nop + nop + nop + + ; + ; RDR 13 read sequence + ; + sync + ssm 0,0 + SFDIAG (13) + ssm 0,0 + MFDIAG_1 (28) + b,n perf_rdr_shift_in_W_leave + ssm 0,0 + nop + + ; + ; RDR 14 read sequence + ; + SFDIAG (14) + 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_W_leave + + ; + ; RDR 15 read sequence + ; + sync + ssm 0,0 + SFDIAG (15) + ssm 0,0 + MFDIAG_1 (28) + ssm 0,0 + b,n perf_rdr_shift_in_W_leave + nop + + ; + ; RDR 16 read sequence + ; + sync + ssm 0,0 + SFDIAG (16) + ssm 0,0 + MFDIAG_1 (28) + b,n perf_rdr_shift_in_W_leave + ssm 0,0 + nop + + ; + ; RDR 17 read sequence + ; + SFDIAG (17) + 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_W_leave + + ; + ; RDR 18 read sequence + ; + SFDIAG (18) + 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_W_leave + + ; + ; RDR 19 read sequence + ; + b,n perf_rdr_shift_in_W_leave + nop + nop + nop + nop + nop + nop + nop + + ; + ; RDR 20 read sequence + ; + sync + ssm 0,0 + SFDIAG (20) + ssm 0,0 + MFDIAG_1 (28) + b,n perf_rdr_shift_in_W_leave + ssm 0,0 + nop + + ; + ; RDR 21 read sequence + ; + sync + ssm 0,0 + SFDIAG (21) + ssm 0,0 + MFDIAG_1 (28) + b,n perf_rdr_shift_in_W_leave + ssm 0,0 + nop + + ; + ; RDR 22 read sequence + ; + sync + ssm 0,0 + SFDIAG (22) + ssm 0,0 + MFDIAG_1 (28) + b,n perf_rdr_shift_in_W_leave + ssm 0,0 + nop + + ; + ; RDR 23 read sequence + ; + sync + ssm 0,0 + SFDIAG (23) + ssm 0,0 + MFDIAG_1 (28) + b,n perf_rdr_shift_in_W_leave + ssm 0,0 + nop + + ; + ; RDR 24 read sequence + ; + sync + ssm 0,0 + SFDIAG (24) + ssm 0,0 + MFDIAG_1 (28) + b,n perf_rdr_shift_in_W_leave + ssm 0,0 + nop + + ; + ; RDR 25 read sequence + ; + sync + ssm 0,0 + SFDIAG (25) + ssm 0,0 + MFDIAG_1 (28) + b,n perf_rdr_shift_in_W_leave + ssm 0,0 + nop + + ; + ; RDR 26 read sequence + ; + SFDIAG (26) + 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_W_leave + + ; + ; RDR 27 read sequence + ; + SFDIAG (27) + 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_W_leave + + ; + ; RDR 28 read sequence + ; + sync + ssm 0,0 + SFDIAG (28) + ssm 0,0 + MFDIAG_1 (28) + b,n perf_rdr_shift_in_W_leave + ssm 0,0 + nop + + ; + ; RDR 29 read sequence + ; + sync + ssm 0,0 + SFDIAG (29) + ssm 0,0 + MFDIAG_1 (28) + b,n perf_rdr_shift_in_W_leave + ssm 0,0 + nop + + ; + ; RDR 30 read sequence + ; + SFDIAG (30) + 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_W_leave + + ; + ; RDR 31 read sequence + ; + sync + ssm 0,0 + SFDIAG (31) + ssm 0,0 + MFDIAG_1 (28) + nop + ssm 0,0 + nop + + ; + ; Fallthrough + ; + +perf_rdr_shift_in_W_leave: + bve (%r2) + .exit + MTDIAG_2 (24) ; restore DR2 + .procend +ENDPROC(perf_rdr_shift_in_W) + + +;*********************************************************************** +;* +;* Name: perf_rdr_shift_out_W +;* +;* 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 number +;* arg1 = 64-bit value to write +;* %r24 - DR2 | DR2_SLOW_RET +;* %r23 - original DR2 value +;* +;* Returns: +;* None +;* +;* Register usage: +;* +;*********************************************************************** + +ENTRY(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 +ENDPROC(perf_rdr_shift_out_W) + + +;*********************************************************************** +;* +;* 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 +;* +;*********************************************************************** + +ENTRY(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 +ENDPROC(perf_rdr_shift_in_U) + +;*********************************************************************** +;* +;* 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 +;* +;*********************************************************************** + +ENTRY(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 +ENDPROC(perf_rdr_shift_out_U) + |