1 files changed, 0 insertions, 274 deletions
diff --git a/usr/src/uts/intel/ia32/os/cpc_subr.c b/usr/src/uts/intel/ia32/os/cpc_subr.c
deleted file mode 100644
index 71e1ebaeee..0000000000
--- a/usr/src/uts/intel/ia32/os/cpc_subr.c
+++ /dev/null
@@ -1,274 +0,0 @@
-/*
- * CDDL HEADER START
- *
- * The contents of this file are subject to the terms of the
- * Common Development and Distribution License (the "License").
- * You may not use this file except in compliance with the License.
- *
- * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
- * or http://www.opensolaris.org/os/licensing.
- * See the License for the specific language governing permissions
- * and limitations under the License.
- *
- * When distributing Covered Code, include this CDDL HEADER in each
- * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
- * If applicable, add the following below this CDDL HEADER, with the
- * fields enclosed by brackets "[]" replaced with your own identifying
- * information: Portions Copyright [yyyy] [name of copyright owner]
- *
- * CDDL HEADER END
- */
-/*
- * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright 2021 Joyent, Inc.
- */
-
-/*
- * x86-specific routines used by the CPU Performance counter driver.
- */
-
-#include <sys/types.h>
-#include <sys/time.h>
-#include <sys/atomic.h>
-#include <sys/regset.h>
-#include <sys/privregs.h>
-#include <sys/x86_archext.h>
-#include <sys/cpuvar.h>
-#include <sys/machcpuvar.h>
-#include <sys/archsystm.h>
-#include <sys/cpc_pcbe.h>
-#include <sys/cpc_impl.h>
-#include <sys/x_call.h>
-#include <sys/cmn_err.h>
-#include <sys/cmt.h>
-#include <sys/spl.h>
-#include <sys/apic.h>
-
-static const uint64_t allstopped = 0;
-static kcpc_ctx_t *(*overflow_intr_handler)(caddr_t);
-
-/* Do threads share performance monitoring hardware? */
-static int strands_perfmon_shared = 0;
-
-int kcpc_hw_overflow_intr_installed;		/* set by APIC code */
-extern kcpc_ctx_t *kcpc_overflow_intr(caddr_t arg, uint64_t bitmap);
-
-extern int kcpc_counts_include_idle; /* Project Private /etc/system variable */
-
-void (*kcpc_hw_enable_cpc_intr)(void);		/* set by APIC code */
-
-int
-kcpc_hw_add_ovf_intr(kcpc_ctx_t *(*handler)(caddr_t))
-{
-	if (x86_type != X86_TYPE_P6)
-		return (0);
-	overflow_intr_handler = handler;
-	return (ipltospl(APIC_PCINT_IPL));
-}
-
-void
-kcpc_hw_rem_ovf_intr(void)
-{
-	overflow_intr_handler = NULL;
-}
-
-/*
- * Hook used on P4 systems to catch online/offline events.
- */
-/*ARGSUSED*/
-static int
-kcpc_cpu_setup(cpu_setup_t what, int cpuid, void *arg)
-{
-	pg_cmt_t	*chip_pg;
-	int		active_cpus_cnt;
-
-	if (what != CPU_ON)
-		return (0);
-
-	/*
-	 * If any CPU-bound contexts exist, we don't need to invalidate
-	 * anything, as no per-LWP contexts can coexist.
-	 */
-	if (kcpc_cpuctx || dtrace_cpc_in_use)
-		return (0);
-
-	/*
-	 * If this chip now has more than 1 active cpu, we must invalidate all
-	 * contexts in the system.
-	 */
-	chip_pg = (pg_cmt_t *)pghw_find_pg(cpu[cpuid], PGHW_CHIP);
-	if (chip_pg != NULL) {
-		active_cpus_cnt = GROUP_SIZE(&chip_pg->cmt_cpus_actv);
-		if (active_cpus_cnt > 1)
-			kcpc_invalidate_all();
-	}
-
-	return (0);
-}
-
-static kmutex_t cpu_setup_lock;	/* protects setup_registered */
-static int setup_registered;
-
-
-void
-kcpc_hw_init(cpu_t *cp)
-{
-	kthread_t *t = cp->cpu_idle_thread;
-	uint32_t versionid;
-	struct cpuid_regs cpuid;
-
-	strands_perfmon_shared = 0;
-	if (is_x86_feature(x86_featureset, X86FSET_HTT)) {
-		if (cpuid_getvendor(cpu[0]) == X86_VENDOR_Intel) {
-			/*
-			 * Intel processors that support Architectural
-			 * Performance Monitoring Version 3 have per strand
-			 * performance monitoring hardware.
-			 * Hence we can allow use of performance counters on
-			 * multiple strands on the same core simultaneously.
-			 */
-			cpuid.cp_eax = 0x0;
-			(void) __cpuid_insn(&cpuid);
-			if (cpuid.cp_eax < 0xa) {
-				strands_perfmon_shared = 1;
-			} else {
-				cpuid.cp_eax = 0xa;
-				(void) __cpuid_insn(&cpuid);
-
-				versionid = cpuid.cp_eax & 0xFF;
-				if (versionid < 3) {
-					strands_perfmon_shared = 1;
-				}
-			}
-		} else if (cpuid_getvendor(cpu[0]) == X86_VENDOR_AMD ||
-		    cpuid_getvendor(cpu[0]) == X86_VENDOR_HYGON) {
-			/*
-			 * On AMD systems with HT, all of the performance
-			 * monitors exist on a per-logical CPU basis.
-			 */
-			strands_perfmon_shared = 0;
-		} else {
-			strands_perfmon_shared = 1;
-		}
-	}
-
-	if (strands_perfmon_shared) {
-		mutex_enter(&cpu_setup_lock);
-		if (setup_registered == 0) {
-			mutex_enter(&cpu_lock);
-			register_cpu_setup_func(kcpc_cpu_setup, NULL);
-			mutex_exit(&cpu_lock);
-			setup_registered = 1;
-		}
-		mutex_exit(&cpu_setup_lock);
-	}
-
-	mutex_init(&cp->cpu_cpc_ctxlock, "cpu_cpc_ctxlock", MUTEX_DEFAULT, 0);
-
-	if (kcpc_counts_include_idle)
-		return;
-
-	installctx(t, cp, kcpc_idle_save, kcpc_idle_restore,
-	    NULL, NULL, NULL, NULL, NULL);
-}
-
-void
-kcpc_hw_fini(cpu_t *cp)
-{
-	ASSERT(cp->cpu_idle_thread == NULL);
-
-	mutex_destroy(&cp->cpu_cpc_ctxlock);
-}
-
-#define	BITS(v, u, l)	\
-	(((v) >> (l)) & ((1 << (1 + (u) - (l))) - 1))
-
-#define	PCBE_NAMELEN 30	/* Enough Room for pcbe.manuf.model.family.stepping */
-
-/*
- * Examine the processor and load an appropriate PCBE.
- */
-int
-kcpc_hw_load_pcbe(void)
-{
-	return (kcpc_pcbe_tryload(cpuid_getvendorstr(CPU), cpuid_getfamily(CPU),
-	    cpuid_getmodel(CPU), cpuid_getstep(CPU)));
-}
-
-/*
- * Called by the generic framework to check if it's OK to bind a set to a CPU.
- */
-int
-kcpc_hw_cpu_hook(processorid_t cpuid, ulong_t *kcpc_cpumap)
-{
-	cpu_t		*cpu, *p;
-	pg_t		*chip_pg;
-	pg_cpu_itr_t	itr;
-
-	if (!strands_perfmon_shared)
-		return (0);
-
-	/*
-	 * Only one logical CPU on each Pentium 4 HT CPU may be bound to at
-	 * once.
-	 *
-	 * This loop is protected by holding cpu_lock, in order to properly
-	 * access the cpu_t of the desired cpu.
-	 */
-	mutex_enter(&cpu_lock);
-	if ((cpu = cpu_get(cpuid)) == NULL) {
-		mutex_exit(&cpu_lock);
-		return (-1);
-	}
-
-	chip_pg = (pg_t *)pghw_find_pg(cpu, PGHW_CHIP);
-
-	PG_CPU_ITR_INIT(chip_pg, itr);
-	while ((p = pg_cpu_next(&itr)) != NULL) {
-		if (p == cpu)
-			continue;
-		if (BT_TEST(kcpc_cpumap, p->cpu_id)) {
-			mutex_exit(&cpu_lock);
-			return (-1);
-		}
-	}
-
-	mutex_exit(&cpu_lock);
-	return (0);
-}
-
-/*
- * Called by the generic framework to check if it's OK to bind a set to an LWP.
- */
-int
-kcpc_hw_lwp_hook(void)
-{
-	pg_cmt_t	*chip;
-	group_t		*chips;
-	group_iter_t	i;
-
-	if (!strands_perfmon_shared)
-		return (0);
-
-	/*
-	 * Only one CPU per chip may be online.
-	 */
-	mutex_enter(&cpu_lock);
-
-	chips = pghw_set_lookup(PGHW_CHIP);
-	if (chips == NULL) {
-		mutex_exit(&cpu_lock);
-		return (0);
-	}
-
-	group_iter_init(&i);
-	while ((chip = group_iterate(chips, &i)) != NULL) {
-		if (GROUP_SIZE(&chip->cmt_cpus_actv) > 1) {
-			mutex_exit(&cpu_lock);
-			return (-1);
-		}
-	}
-
-	mutex_exit(&cpu_lock);
-	return (0);
-}