--- test.c.orig 2013-08-10 02:29:44 UTC +++ test.c @@ -14,7 +14,6 @@ #include "stdint.h" #include "cpuid.h" #include "smp.h" -#include extern struct cpu_ident cpu_id; extern volatile int mstr_cpu; @@ -1543,6 +1542,19 @@ void sleep(long n, int flag, int me, int } } +static inline unsigned char inb(unsigned int port) +{ + unsigned char data; + + asm __volatile__("inb %1,%0" : "=a" (data) : "id" ((unsigned short)(port))); + return (data); +} + +static inline void outb(unsigned int port, unsigned char data) +{ + asm __volatile__("outb %0,%1" : : "a" (data), "id" ((unsigned short)(port))); +} + /* Beep function */ void beep(unsigned int frequency) @@ -1551,18 +1563,18 @@ void beep(unsigned int frequency) unsigned int count = 1193180 / frequency; // Switch on the speaker - outb_p(inb_p(0x61)|3, 0x61); + outb(inb(0x61)|3, 0x61); // Set command for counter 2, 2 byte write - outb_p(0xB6, 0x43); + outb(0xB6, 0x43); // Select desired Hz - outb_p(count & 0xff, 0x42); + outb(count & 0xff, 0x42); outb((count >> 8) & 0xff, 0x42); // Block for 100 microseconds sleep(100, 0, 0, 1); // Switch off the speaker - outb(inb_p(0x61)&0xFC, 0x61); + outb(inb(0x61)&0xFC, 0x61); }