/*
- * Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2005-2008 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* @OSF_FREE_COPYRIGHT@
* Author: Bill Angell, Apple
* Date: 10/auht-five
*
- * Random diagnostics
+ * Random diagnostics, augmented Derek Kumar 2011
*
- * Try to keep the x86 selectors in-sync with the ppc selectors.
*
*/
#include <i386/mp.h>
#include <i386/pmCPU.h>
#include <i386/tsc.h>
-#include <i386/hpet.h>
#include <mach/i386/syscall_sw.h>
-
-extern uint64_t lastNapClear;
+#include <kern/kalloc.h>
+#include <sys/kdebug.h>
diagWork dgWork;
-uint64_t lastNapClear = 0ULL;
uint64_t lastRuptClear = 0ULL;
-typedef struct pmdata {
- uint64_t pmNapDur; /* Time since last query */
- pmStats_t pmd; /* Powermanagement statistics */
-} pmdata;
-
+void cpu_powerstats(void *);
+typedef struct {
+ uint64_t caperf;
+ uint64_t cmperf;
+ uint64_t ccres[3];
+ uint64_t crtimes[4];
+ uint64_t citimes[4];
+ uint64_t crtime_total;
+ uint64_t citime_total;
+} core_energy_stat_t;
-int
-diagCall64(__unused x86_saved_state_t * regs)
-{
- panic("diagCall not yet supported for 64 bit tasks\n");
-}
+typedef struct {
+ uint64_t pkg_cres[2][4];
+ uint64_t pkg_power_unit;
+ uint64_t pkg_energy;
+ uint32_t ncpus;
+ core_energy_stat_t cest[];
+} pkg_energy_statistics_t;
int
-diagCall(x86_saved_state_t * state)
+diagCall64(x86_saved_state_t * state)
{
-
- uint32_t stk, curpos, i, j;
- uint32_t selector, data;
- int err;
+ uint64_t curpos, i, j;
+ uint64_t selector, data;
uint64_t currNap, durNap;
- x86_saved_state32_t *regs;
-
- assert(is_saved_state32(state));
- regs = saved_state32(state);
+ x86_saved_state64_t *regs;
+ boolean_t diagflag;
+ uint32_t rval = 0;
- if (!(dgWork.dgFlags & enaDiagSCs))
- return 0; /* If not enabled, cause an exception */
+ assert(is_saved_state64(state));
+ regs = saved_state64(state);
+ diagflag = ((dgWork.dgFlags & enaDiagSCs) != 0);
+ selector = regs->rdi;
- stk = regs->uesp; /* Point to the stack */
- err = copyin((user_addr_t) (stk + 4), (char *) &selector, sizeof(uint32_t)); /* Get the selector */
- if (err) {
- return 0; /* Failed to fetch stack */
- }
switch (selector) { /* Select the routine */
-
case dgRuptStat: /* Suck Interruption statistics */
+ (void) ml_set_interrupts_enabled(TRUE);
+ data = regs->rsi; /* Get the number of processors */
- err = copyin((user_addr_t) (stk + 8), (char *) &data, sizeof(uint32_t)); /* Get the selector */
-
- if (data == 0) {/* If number of processors is 0, clear all
- * counts */
+ if (data == 0) { /* If no location is specified for data, clear all
+ * counts
+ */
for (i = 0; i < real_ncpus; i++) { /* Cycle through
* processors */
for (j = 0; j < 256; j++)
}
lastRuptClear = mach_absolute_time(); /* Get the time of clear */
- return 1; /* Normal return */
+ rval = 1; /* Normal return */
+ break;
}
- err = copyin((user_addr_t) (stk + 8), (char *) &data, sizeof(uint32_t)); /* Get the selector */
(void) copyout((char *) &real_ncpus, data, sizeof(real_ncpus)); /* Copy out number of
* processors */
curpos = curpos + (256 * sizeof(uint32_t) + 8); /* Point to next out put
* slot */
}
+ rval = 1;
+ break;
+ case dgPowerStat:
+ {
+ uint32_t c2l = 0, c2h = 0, c3l = 0, c3h = 0, c6l = 0, c6h = 0, c7l = 0, c7h = 0;
+ uint32_t pkg_unit_l = 0, pkg_unit_h = 0, pkg_ecl = 0, pkg_ech = 0;
+
+ pkg_energy_statistics_t pkes;
+ core_energy_stat_t cest;
+
+ bzero(&pkes, sizeof(pkes));
+ bzero(&cest, sizeof(cest));
+
+ rdmsr_carefully(MSR_IA32_PKG_C2_RESIDENCY, &c2l, &c2h);
+ rdmsr_carefully(MSR_IA32_PKG_C3_RESIDENCY, &c3l, &c3h);
+ rdmsr_carefully(MSR_IA32_PKG_C6_RESIDENCY, &c6l, &c6h);
+ rdmsr_carefully(MSR_IA32_PKG_C7_RESIDENCY, &c7l, &c7h);
+
+ pkes.pkg_cres[0][0] = ((uint64_t)c2h << 32) | c2l;
+ pkes.pkg_cres[0][1] = ((uint64_t)c3h << 32) | c3l;
+ pkes.pkg_cres[0][2] = ((uint64_t)c6h << 32) | c6l;
+ pkes.pkg_cres[0][3] = ((uint64_t)c7h << 32) | c7l;
+
+ rdmsr_carefully(MSR_IA32_PKG_POWER_SKU_UNIT, &pkg_unit_l, &pkg_unit_h);
+ rdmsr_carefully(MSR_IA32_PKG_ENERGY_STATUS, &pkg_ecl, &pkg_ech);
+
+ pkes.pkg_power_unit = ((uint64_t)pkg_unit_h << 32) | pkg_unit_l;
+ pkes.pkg_energy = ((uint64_t)pkg_ech << 32) | pkg_ecl;
+
+ pkes.ncpus = real_ncpus;
+
+ (void) ml_set_interrupts_enabled(TRUE);
+
+ copyout(&pkes, regs->rsi, sizeof(pkes));
+ curpos = regs->rsi + sizeof(pkes);
+
+ mp_cpus_call(CPUMASK_ALL, ASYNC, cpu_powerstats, NULL);
+
+ for (i = 0; i < real_ncpus; i++) {
+ cest.caperf = cpu_data_ptr[i]->cpu_aperf;
+ cest.cmperf = cpu_data_ptr[i]->cpu_mperf;
+ cest.ccres[0] = cpu_data_ptr[i]->cpu_c3res;
+ cest.ccres[1] = cpu_data_ptr[i]->cpu_c6res;
+ cest.ccres[2] = cpu_data_ptr[i]->cpu_c7res;
+
+ bcopy(&cpu_data_ptr[i]->cpu_rtimes[0], &cest.crtimes[0], sizeof(cest.crtimes));
+ bcopy(&cpu_data_ptr[i]->cpu_itimes[0], &cest.citimes[0], sizeof(cest.citimes));
+ cest.citime_total = cpu_data_ptr[i]->cpu_itime_total;
+ cest.crtime_total = cpu_data_ptr[i]->cpu_rtime_total;
+
+ copyout(&cest, curpos, sizeof(cest));
+ curpos += sizeof(cest);
+ }
+ rval = 1;
+ }
+ break;
+#if DEBUG
+ case dgGzallocTest:
+ {
+ (void) ml_set_interrupts_enabled(TRUE);
+ if (diagflag == 0)
+ break;
+
+ unsigned *ptr = (unsigned *)kalloc(1024);
+ kfree(ptr, 1024);
+ *ptr = 0x42;
+ }
break;
+#endif
- default: /* Handle invalid ones */
- return 0; /* Return an exception */
+#if defined(__x86_64__)
+ case dgPermCheck:
+ {
+ (void) ml_set_interrupts_enabled(TRUE);
+ if (diagflag == 0)
+ break;
+ rval = pmap_permissions_verify(kernel_pmap, kernel_map, 0, ~0ULL);
}
+ break;
+#endif /* __x86_64__*/
+
+ default: /* Handle invalid ones */
+ rval = 0; /* Return an exception */
+ }
+
+ regs->rax = rval;
+
+ return rval; /* Normal non-ast check return */
+}
+
+void cpu_powerstats(__unused void *arg) {
+ cpu_data_t *cdp = current_cpu_datap();
+ int cnum = cdp->cpu_number;
+ uint32_t cl = 0, ch = 0, mpl = 0, mph = 0, apl = 0, aph = 0;
+
+ rdmsr_carefully(MSR_IA32_MPERF, &mpl, &mph);
+ rdmsr_carefully(MSR_IA32_APERF, &apl, &aph);
+
+ cdp->cpu_mperf = ((uint64_t)mph << 32) | mpl;
+ cdp->cpu_aperf = ((uint64_t)aph << 32) | apl;
+
+ if (cnum & 1)
+ return;
+
+ rdmsr_carefully(MSR_IA32_CORE_C3_RESIDENCY, &cl, &ch);
+ cdp->cpu_c3res = ((uint64_t)ch << 32) | cl;
+
+ rdmsr_carefully(MSR_IA32_CORE_C6_RESIDENCY, &cl, &ch);
+ cdp->cpu_c6res = ((uint64_t)ch << 32) | cl;
- return 1; /* Normal non-ast check return */
+ rdmsr_carefully(MSR_IA32_CORE_C7_RESIDENCY, &cl, &ch);
+ cdp->cpu_c7res = ((uint64_t)ch << 32) | cl;
}
projects / apple / xnu.git / blobdiff