mirror of https://github.com/mpv-player/mpv
51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
/*
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This file is based on:
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$XFree86: xc/programs/Xserver/hw/xfree86/drivers/chips/util/AsmMacros.h,v 1.1 2001/11/16 21:13:34 tsi Exp $
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Modified for readability by Nick Kurshev
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*/
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#ifndef __ASM_MACROS_ARM32_H
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#define __ASM_MACROS_ARM32_H
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unsigned int IOPortBase; /* Memory mapped I/O port area */
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static __inline__ void outb(short port,char val)
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{
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if ((unsigned short)port >= 0x400) return;
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*(volatile unsigned char*)(((unsigned short)(port))+IOPortBase) = val;
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}
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static __inline__ void outw(short port,short val)
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{
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if ((unsigned short)port >= 0x400) return;
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*(volatile unsigned short*)(((unsigned short)(port))+IOPortBase) = val;
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}
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static __inline__ void outl(short port,int val)
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{
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if ((unsigned short)port >= 0x400) return;
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*(volatile unsigned long*)(((unsigned short)(port))+IOPortBase) = val;
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}
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static __inline__ unsigned int inb(short port)
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{
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if ((unsigned short)port >= 0x400) return((unsigned int)-1);
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return(*(volatile unsigned char*)(((unsigned short)(port))+IOPortBase));
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}
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static __inline__ unsigned int inw(short port)
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{
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if ((unsigned short)port >= 0x400) return((unsigned int)-1);
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return(*(volatile unsigned short*)(((unsigned short)(port))+IOPortBase));
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}
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static __inline__ unsigned int inl(short port)
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{
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if ((unsigned short)port >= 0x400) return((unsigned int)-1);
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return(*(volatile unsigned long*)(((unsigned short)(port))+IOPortBase));
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}
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#define intr_disable()
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#define intr_enable()
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#endif
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