From b21f84ef1bb9e9ba69bfea069295ad4618f671eb Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Sun, 4 Apr 2021 16:47:38 +0200
Subject: SMP: Fix warnings

---
 i386/i386/db_interface.c | 1 +
 i386/i386/fpu.c          | 2 ++
 i386/i386/mp_desc.c      | 2 ++
 i386/i386/mp_desc.h      | 4 ++++
 i386/i386/pcb.h          | 4 ++++
 5 files changed, 13 insertions(+)

(limited to 'i386')

diff --git a/i386/i386/db_interface.c b/i386/i386/db_interface.c
index cc23c15c..1a7070e3 100644
--- a/i386/i386/db_interface.c
+++ b/i386/i386/db_interface.c
@@ -56,6 +56,7 @@
 #include <ddb/db_task_thread.h>
 #include <ddb/db_trap.h>
 #include <ddb/db_watch.h>
+#include <ddb/db_mp.h>
 #include <machine/db_interface.h>
 #include <machine/machspl.h>
 
diff --git a/i386/i386/fpu.c b/i386/i386/fpu.c
index cdfe264b..b47bd339 100644
--- a/i386/i386/fpu.c
+++ b/i386/i386/fpu.c
@@ -927,7 +927,9 @@ void
 fpintr(int unit)
 {
 	spl_t	s;
+#if	NCPUS == 1
 	thread_t thread = current_thread();
+#endif	/* NCPUS == 1 */
 
 ASSERT_IPL(SPL1);
 	/*
diff --git a/i386/i386/mp_desc.c b/i386/i386/mp_desc.c
index e4bc12de..1e9ea0fc 100644
--- a/i386/i386/mp_desc.c
+++ b/i386/i386/mp_desc.c
@@ -30,12 +30,14 @@
 
 #include <kern/cpu_number.h>
 #include <kern/debug.h>
+#include <kern/printf.h>
 #include <mach/machine.h>
 #include <mach/xen.h>
 #include <vm/vm_kern.h>
 
 #include <i386/mp_desc.h>
 #include <i386/lock.h>
+#include <i386at/model_dep.h>
 #include <machine/ktss.h>
 #include <machine/tss.h>
 #include <machine/io_perm.h>
diff --git a/i386/i386/mp_desc.h b/i386/i386/mp_desc.h
index 4a9cbdf6..ebe1471d 100644
--- a/i386/i386/mp_desc.h
+++ b/i386/i386/mp_desc.h
@@ -84,4 +84,8 @@ extern void interrupt_processor(int cpu);
 
 extern void start_other_cpus(void);
 
+extern kern_return_t cpu_start(int cpu);
+
+extern kern_return_t cpu_control(int cpu, const int *info, unsigned int count);
+
 #endif	/* _I386_MP_DESC_H_ */
diff --git a/i386/i386/pcb.h b/i386/i386/pcb.h
index 30d96271..5bc78066 100644
--- a/i386/i386/pcb.h
+++ b/i386/i386/pcb.h
@@ -79,6 +79,10 @@ extern thread_t Load_context (thread_t new);
 
 extern thread_t Switch_context (thread_t old, void (*continuation)(), thread_t new);
 
+extern void switch_to_shutdown_context(thread_t thread,
+				   void (*routine)(processor_t),
+				   processor_t processor);
+
 extern void Thread_continue (void);
 
 extern void pcb_module_init (void);
-- 
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