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Make this file C++ safe. It defines many useful functions (inb, outb)

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that people use from userland in C++ programs.  I've had this in my
tree for ages and just got bit by it not being in the real tree again.

This is a MFC candidate.
This commit is contained in:
Warner Losh 2001-04-03 18:19:49 +00:00
parent f6958f21cd
commit 29d5de8ad0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=75139
2 changed files with 8 additions and 0 deletions
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4
sys/amd64/include/cpufunc.h
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@ -40,6 +40,9 @@
#ifndef _MACHINE_CPUFUNC_H_
#define _MACHINE_CPUFUNC_H_
#include <sys/cdefs.h>
__BEGIN_DECLS
#define readb(va) (*(volatile u_int8_t *) (va))
#define readw(va) (*(volatile u_int16_t *) (va))
#define readl(va) (*(volatile u_int32_t *) (va))
@ -544,5 +547,6 @@ u_int rcr3 __P((void));
u_int rcr4 __P((void));
void load_dr6 __P((u_int dr6));
void reset_dbregs __P((void));
__END_DECLS
#endif /* !_MACHINE_CPUFUNC_H_ */

4
sys/i386/include/cpufunc.h
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@ -40,6 +40,9 @@
#ifndef _MACHINE_CPUFUNC_H_
#define _MACHINE_CPUFUNC_H_
#include <sys/cdefs.h>
__BEGIN_DECLS
#define readb(va) (*(volatile u_int8_t *) (va))
#define readw(va) (*(volatile u_int16_t *) (va))
#define readl(va) (*(volatile u_int32_t *) (va))
@ -544,5 +547,6 @@ u_int rcr3 __P((void));
u_int rcr4 __P((void));
void load_dr6 __P((u_int dr6));
void reset_dbregs __P((void));
__END_DECLS
#endif /* !_MACHINE_CPUFUNC_H_ */