*
* @APPLE_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.
+ * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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. 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@
*/
#include <ppc/proc_reg.h>
#include <kern/processor.h>
+unsigned int max_cpus_initialized = 0;
+
+#define MAX_CPUS_SET 0x1
+#define MAX_CPUS_WAIT 0x2
+
boolean_t get_interrupts_enabled(void);
/* Map memory map IO space */
per_proc_info[current_cpu].interrupts_enabled = TRUE;
(void) ml_set_interrupts_enabled(current_state);
+
+ initialize_screen(0, kPEAcquireScreen);
}
/* Initialize Interrupts */
CreateFakeIO();
}
+void ml_thread_policy(
+ thread_t thread,
+ unsigned policy_id,
+ unsigned policy_info)
+{
+ if ((policy_id == MACHINE_GROUP) &&
+ ((per_proc_info[0].pf.Available) & pfSMPcap))
+ thread_bind(thread, master_processor);
+
+ if (policy_info & MACHINE_NETWORK_WORKLOOP) {
+ spl_t s = splsched();
+
+ thread_lock(thread);
+
+ thread->sched_mode |= TH_MODE_FORCEDPREEMPT;
+ set_priority(thread, thread->priority + 1);
+
+ thread_unlock(thread);
+ splx(s);
+ }
+}
+
void machine_idle(void)
{
if (per_proc_info[cpu_number()].interrupts_enabled == TRUE) {
}
void
-ml_ppc_get_info(ml_ppc_cpu_info_t *cpu_info)
+ml_init_max_cpus(unsigned long max_cpus)
+{
+ boolean_t current_state;
+
+ current_state = ml_set_interrupts_enabled(FALSE);
+ if (max_cpus_initialized != MAX_CPUS_SET) {
+ if (max_cpus > 0 && max_cpus < NCPUS)
+ machine_info.max_cpus = max_cpus;
+ if (max_cpus_initialized == MAX_CPUS_WAIT)
+ wakeup((event_t)&max_cpus_initialized);
+ max_cpus_initialized = MAX_CPUS_SET;
+ }
+ (void) ml_set_interrupts_enabled(current_state);
+}
+
+int
+ml_get_max_cpus(void)
+{
+ boolean_t current_state;
+
+ current_state = ml_set_interrupts_enabled(FALSE);
+ if (max_cpus_initialized != MAX_CPUS_SET) {
+ max_cpus_initialized = MAX_CPUS_WAIT;
+ assert_wait((event_t)&max_cpus_initialized, THREAD_UNINT);
+ (void)thread_block(THREAD_CONTINUE_NULL);
+ }
+ (void) ml_set_interrupts_enabled(current_state);
+ return(machine_info.max_cpus);
+}
+
+int
+ml_get_current_cpus(void)
+{
+ return machine_info.avail_cpus;
+}
+
+void
+ml_cpu_get_info(ml_cpu_info_t *cpu_info)
{
if (cpu_info == 0) return;
}
}
+#define l2em 0x80000000
+#define l3em 0x80000000
+
+extern int real_ncpus;
+
+int
+ml_enable_cache_level(int cache_level, int enable)
+{
+ int old_mode;
+ unsigned long available, ccr;
+
+ if (real_ncpus != 1) return -1;
+
+ available = per_proc_info[0].pf.Available;
+
+ if ((cache_level == 2) && (available & pfL2)) {
+ ccr = per_proc_info[0].pf.l2cr;
+ old_mode = (ccr & l2em) ? TRUE : FALSE;
+ if (old_mode != enable) {
+ if (enable) ccr = per_proc_info[0].pf.l2crOriginal;
+ else ccr = 0;
+ per_proc_info[0].pf.l2cr = ccr;
+ cacheInit();
+ }
+
+ return old_mode;
+ }
+
+ if ((cache_level == 3) && (available & pfL3)) {
+ ccr = per_proc_info[0].pf.l3cr;
+ old_mode = (ccr & l3em) ? TRUE : FALSE;
+ if (old_mode != enable) {
+ if (enable) ccr = per_proc_info[0].pf.l3crOriginal;
+ else ccr = 0;
+ per_proc_info[0].pf.l3cr = ccr;
+ cacheInit();
+ }
+
+ return old_mode;
+ }
+
+ return -1;
+}
+
void
init_ast_check(processor_t processor)
{}
void
-cause_ast_check(processor_t processor)
+cause_ast_check(
+ processor_t processor)
{
- if ((processor != current_processor())
- && (per_proc_info[processor->slot_num].interrupts_enabled == TRUE))
+ if ( processor != current_processor() &&
+ per_proc_info[processor->slot_num].interrupts_enabled == TRUE )
cpu_signal(processor->slot_num, SIGPast, NULL, NULL);
}
void (*doshutdown)(processor_t),
processor_t processor)
{
- disable_preemption();
CreateShutdownCTX();
- enable_preemption();
return((thread_t)(per_proc_info[cpu_number()].old_thread));
}
projects / apple / xnu.git / blobdiff