It is accomplished ...

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10 a95241bf-73f2-0310-859d-f6bbb57e9c96
2002-07-09 12:24:59 +00:00
commit 52a3801208
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+/*
+** Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
+** Distributed under the terms of the NewOS License.
+*/
+#ifndef _KERNEL_SMP_H
+#define _KERNEL_SMP_H
+
+#include <stage2.h>
+
+// intercpu messages
+enum {
+	SMP_MSG_INVL_PAGE_RANGE = 0,
+	SMP_MSG_INVL_PAGE_LIST,
+	SMP_MSG_GLOBAL_INVL_PAGE,
+	SMP_MSG_RESCHEDULE,
+	SMP_MSG_CPU_HALT,
+	SMP_MSG_1,
+};
+
+enum {
+	SMP_MSG_FLAG_ASYNC = 0,
+	SMP_MSG_FLAG_SYNC,
+};
+
+int smp_init(kernel_args *ka);
+int smp_trap_non_boot_cpus(kernel_args *ka, int cpu);
+void smp_wake_up_all_non_boot_cpus(void);
+void smp_wait_for_ap_cpus(kernel_args *ka);
+void smp_send_ici(int target_cpu, int message, unsigned long data, unsigned long data2, unsigned long data3, void *data_ptr, int flags);
+void smp_send_broadcast_ici(int message, unsigned long data, unsigned long data2, unsigned long data3, void *data_ptr, int flags);
+int smp_enable_ici(void);
+int smp_disable_ici(void);
+
+int smp_get_num_cpus(void);
+void smp_set_num_cpus(int num_cpus);
+int smp_get_current_cpu(void);
+
+// spinlock functions
+typedef volatile int spinlock_t;
+void acquire_spinlock(spinlock_t *lock);
+void release_spinlock(spinlock_t *lock);
+
+#endif
+