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authorPasha <pasha@member.fsf.org>2024-02-20 18:49:50 +0000
committerPasha <pasha@member.fsf.org>2024-02-20 18:49:50 +0000
commit5e0b8d508ed51004bd836384293be00950ee62c9 (patch)
treee3f16b1aa8b7177032ce3ec429fbad2b1d92a876 /linux/src/include/asm-i386/delay.h
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Diffstat (limited to 'linux/src/include/asm-i386/delay.h')
-rw-r--r--linux/src/include/asm-i386/delay.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/linux/src/include/asm-i386/delay.h b/linux/src/include/asm-i386/delay.h
new file mode 100644
index 0000000..2166c4c
--- /dev/null
+++ b/linux/src/include/asm-i386/delay.h
@@ -0,0 +1,18 @@
+#ifndef _I386_DELAY_H
+#define _I386_DELAY_H
+
+/*
+ * Copyright (C) 1993 Linus Torvalds
+ *
+ * Delay routines calling functions in arch/i386/lib/delay.c
+ */
+
+extern void __udelay(unsigned long usecs);
+extern void __const_udelay(unsigned long usecs);
+extern void __delay(unsigned long loops);
+
+#define udelay(n) (__builtin_constant_p(n) ? \
+ __const_udelay((n) * 0x10c6ul) : \
+ __udelay(n))
+
+#endif /* defined(_I386_DELAY_H) */