perf.c (1da177e4c3f41524e886b7f1b8a0c1fc7321cac2) perf.c (53f01bba49938f115237fe43a261c31ac13ae5c6)
1/*
2 * Parisc performance counters
3 * Copyright (C) 2001 Randolph Chung <tausq@debian.org>
4 *
5 * This code is derived, with permission, from HP/UX sources.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by

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741 * Write the given image out to the processor
742 */
743static int perf_write_image(uint64_t *memaddr)
744{
745 uint64_t buffer[MAX_RDR_WORDS];
746 uint64_t *bptr;
747 uint32_t dwords;
748 uint32_t *intrigue_rdr;
1/*
2 * Parisc performance counters
3 * Copyright (C) 2001 Randolph Chung <tausq@debian.org>
4 *
5 * This code is derived, with permission, from HP/UX sources.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by

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741 * Write the given image out to the processor
742 */
743static int perf_write_image(uint64_t *memaddr)
744{
745 uint64_t buffer[MAX_RDR_WORDS];
746 uint64_t *bptr;
747 uint32_t dwords;
748 uint32_t *intrigue_rdr;
749 uint64_t *intrigue_bitmask, tmp64, proc_hpa;
749 uint64_t *intrigue_bitmask, tmp64;
750 void __iomem *runway;
750 struct rdr_tbl_ent *tentry;
751 int i;
752
753 /* Clear out counters */
754 if (perf_processor_interface == ONYX_INTF) {
755
756 perf_rdr_clear(16);
757

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793 */
794
795 if (cpu_device == NULL)
796 {
797 printk(KERN_ERR "write_image: cpu_device not yet initialized!\n");
798 return -1;
799 }
800
751 struct rdr_tbl_ent *tentry;
752 int i;
753
754 /* Clear out counters */
755 if (perf_processor_interface == ONYX_INTF) {
756
757 perf_rdr_clear(16);
758

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794 */
795
796 if (cpu_device == NULL)
797 {
798 printk(KERN_ERR "write_image: cpu_device not yet initialized!\n");
799 return -1;
800 }
801
801 proc_hpa = cpu_device->hpa;
802 runway = ioremap(cpu_device->hpa.start, 4096);
802
803 /* Merge intrigue bits into Runway STATUS 0 */
803
804 /* Merge intrigue bits into Runway STATUS 0 */
804 tmp64 = __raw_readq(proc_hpa + RUNWAY_STATUS) & 0xffecfffffffffffful;
805 __raw_writeq(tmp64 | (*memaddr++ & 0x0013000000000000ul), proc_hpa + RUNWAY_STATUS);
805 tmp64 = __raw_readq(runway + RUNWAY_STATUS) & 0xffecfffffffffffful;
806 __raw_writeq(tmp64 | (*memaddr++ & 0x0013000000000000ul),
807 runway + RUNWAY_STATUS);
806
807 /* Write RUNWAY DEBUG registers */
808 for (i = 0; i < 8; i++) {
808
809 /* Write RUNWAY DEBUG registers */
810 for (i = 0; i < 8; i++) {
809 __raw_writeq(*memaddr++, proc_hpa + RUNWAY_DEBUG + i);
811 __raw_writeq(*memaddr++, runway + RUNWAY_DEBUG);
810 }
811
812 return 0;
813}
814
815/*
816 * perf_rdr_write
817 *

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813
814 return 0;
815}
816
817/*
818 * perf_rdr_write
819 *

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