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authorSteve Murphree <smurph@cvs.openbsd.org>1999-03-03 06:00:11 +0000
committerSteve Murphree <smurph@cvs.openbsd.org>1999-03-03 06:00:11 +0000
commit61a49040f7e18f3fb5e6a02e8c5c1b7c61e15ace (patch)
tree1f46fcef43da2f3bbfad66ab544fbee6f72f9ec0 /lib/libc_r
parent9fff90886666502575122a97df99d66dfdf18925 (diff)
m88k addition.
Diffstat (limited to 'lib/libc_r')
-rw-r--r--lib/libc_r/arch/m88k/_atomic_lock.c19
-rw-r--r--lib/libc_r/arch/m88k/uthread_machdep.h40
2 files changed, 59 insertions, 0 deletions
diff --git a/lib/libc_r/arch/m88k/_atomic_lock.c b/lib/libc_r/arch/m88k/_atomic_lock.c
new file mode 100644
index 00000000000..a6ca8e7f71f
--- /dev/null
+++ b/lib/libc_r/arch/m88k/_atomic_lock.c
@@ -0,0 +1,19 @@
+/* $OpenBSD: _atomic_lock.c,v 1.1 1999/03/03 06:00:10 smurph Exp $ */
+/*
+ * Atomic lock for m68k
+ */
+
+#include "spinlock.h"
+
+int
+_atomic_lock(volatile _spinlock_lock_t *lock)
+{
+ return (_thread_slow_atomic_lock(lock));
+}
+
+int
+_atomic_is_locked(volatile _spinlock_lock_t *lock)
+{
+
+ return (*lock != _SPINLOCK_UNLOCKED);
+}
diff --git a/lib/libc_r/arch/m88k/uthread_machdep.h b/lib/libc_r/arch/m88k/uthread_machdep.h
new file mode 100644
index 00000000000..dcad59d851d
--- /dev/null
+++ b/lib/libc_r/arch/m88k/uthread_machdep.h
@@ -0,0 +1,40 @@
+/*
+ * OpenBSD/m88k machine-dependent thread macros
+ *
+ * $OpenBSD: uthread_machdep.h,v 1.1 1999/03/03 06:00:10 smurph Exp $
+ */
+
+/* save the floating point state of a thread */
+#define _thread_machdep_save_float_state(thr) \
+ { \
+ /* fsave privileged instr */ \
+ }
+
+/* restore the floating point state of a thread */
+#define _thread_machdep_restore_float_state(thr) \
+ { \
+ /* frestore privileged instr */ \
+ }
+
+/* initialise the jmpbuf stack frame so it continues from entry */
+
+#define _thread_machdep_thread_create(thr, entry, pattr) \
+ { \
+ /* entry */ \
+ (thr)->saved_jmp_buf[5] = (long) entry; \
+ /* stack */ \
+ (thr)->saved_jmp_buf[2] = (long) (thr)->stack \
+ + (pattr)->stacksize_attr \
+ - sizeof(double); \
+ }
+
+#define _thread_machdep_longjmp(a,v) _longjmp(a,v)
+#define _thread_machdep_setjmp(a) _setjmp(a)
+
+typedef jmp_buf _machdep_jmp_buf;
+
+struct _machdep_struct {
+ /* char saved_fp[108]; */
+ int dummy;
+};
+