xnu-792.18.15.tar.gz

[apple/xnu.git] / osfmk / i386 / mp.h

diff --git a/osfmk/i386/mp.h b/osfmk/i386/mp.h
index 3b3861e647bfb22336dcc8cc7ae5789d0d958ff1..13905aa67ab45e7e6d623930c27d2a871167a86b 100644 (file)
--- a/osfmk/i386/mp.h
+++ b/osfmk/i386/mp.h
@@ -1,14 +1,19 @@
 /*
  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  * 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.
+ * 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.
+ * 
+ * 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
@@ -18,7 +23,7 @@
  * 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_COPYRIGHT@
@@ -72,6 +77,7 @@
 #include <sys/cdefs.h>
 #include <mach/boolean.h>
 #include <mach/kern_return.h>
+#include <mach/i386/thread_status.h>
 
 __BEGIN_DECLS
 
@@ -86,12 +92,13 @@ extern void lapic_shutdown(void);
 extern void lapic_smm_restore(void);
 extern boolean_t lapic_probe(void);
 extern void lapic_dump(void);
-extern int  lapic_interrupt(int interrupt, void *state);
+extern int  lapic_interrupt(int interrupt, x86_saved_state_t *state);
 extern void lapic_end_of_interrupt(void);
 extern int  lapic_to_cpu[];
 extern int  cpu_to_lapic[];
 extern int  lapic_interrupt_base;
 extern void lapic_cpu_map(int lapic, int cpu_num);
+extern uint32_t ml_get_apicid(uint32_t cpu);
 
 extern void lapic_set_timer(
                boolean_t               interrupt,
@@ -108,9 +115,50 @@ extern void lapic_get_timer(
 typedef        void (*i386_intr_func_t)(void *);
 extern void lapic_set_timer_func(i386_intr_func_t func);
 extern void lapic_set_pmi_func(i386_intr_func_t func);
+extern void lapic_set_thermal_func(i386_intr_func_t func);
 
 __END_DECLS
 
+/*
+ * By default, use high vectors to leave vector space for systems
+ * with multiple I/O APIC's. However some systems that boot with
+ * local APIC disabled will hang in SMM when vectors greater than
+ * 0x5F are used. Those systems are not expected to have I/O APIC
+ * so 16 (0x50 - 0x40) vectors for legacy PIC support is perfect.
+ */
+#define LAPIC_DEFAULT_INTERRUPT_BASE   0xD0
+#define LAPIC_REDUCED_INTERRUPT_BASE   0x50
+/*
+ * Specific lapic interrupts are relative to this base
+ * in priority order from high to low:
+ */
+
+#define LAPIC_PERFCNT_INTERRUPT                0xF
+#define LAPIC_TIMER_INTERRUPT          0xE
+#define LAPIC_INTERPROCESSOR_INTERRUPT 0xD
+#define LAPIC_THERMAL_INTERRUPT                0xC
+#define LAPIC_ERROR_INTERRUPT          0xB
+#define LAPIC_SPURIOUS_INTERRUPT       0xA
+/* The vector field is ignored for NMI interrupts via the LAPIC
+ * or otherwise, so this is not an offset from the interrupt
+ * base.
+ */
+#define LAPIC_NMI_INTERRUPT            0x2
+
+#define LAPIC_REG(reg) \
+       (*((volatile uint32_t *)(lapic_start + LAPIC_##reg)))
+#define LAPIC_REG_OFFSET(reg,off) \
+       (*((volatile uint32_t *)(lapic_start + LAPIC_##reg + (off))))
+
+#define LAPIC_VECTOR(src) \
+       (lapic_interrupt_base + LAPIC_##src##_INTERRUPT)
+
+#define LAPIC_ISR_IS_SET(base,src) \
+       (LAPIC_REG_OFFSET(ISR_BASE,((base+LAPIC_##src##_INTERRUPT)/32)*0x10) & \
+               (1 <<((base + LAPIC_##src##_INTERRUPT)%32)))
+
+extern vm_offset_t     lapic_start;
+
 #endif /* ASSEMBLER */
 
 #define CPU_NUMBER(r)                          \
@@ -141,20 +189,28 @@ extern    void    console_cpu_free(void *console_buf);
 
 extern int     kdb_cpu;                /* current cpu running kdb      */
 extern int     kdb_debug;
-extern int     kdb_is_slave[];
 extern int     kdb_active[];
 
 extern volatile boolean_t mp_kdp_trap;
 extern void    mp_kdp_enter(void);
 extern void    mp_kdp_exit(void);
 
+#if MACH_KDB
+extern void mp_kdb_exit(void);
+#endif
+
 /*
  * All cpu rendezvous:
  */
-extern void mp_rendezvous(void (*setup_func)(void *),
-                         void (*action_func)(void *),
-                         void (*teardown_func)(void *),
-                         void *arg);
+extern void mp_rendezvous(
+               void (*setup_func)(void *),
+               void (*action_func)(void *),
+               void (*teardown_func)(void *),
+               void *arg);
+extern void mp_rendezvous_no_intrs(
+               void (*action_func)(void *),
+               void *arg);
+extern void mp_rendezvous_break_lock(void);
 
 __END_DECLS