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This commit is contained in:
gohigh
2024-02-19 00:24:53 -05:00
parent eec934fe6c
commit a4964ba92d
749 changed files with 100620 additions and 0 deletions
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27
kernel/0.95/linux-0.95/include/asm/io.h Normal file
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static void inline outb(char value, unsigned short port)
{
__asm__ volatile ("outb %0,%1"::"a" (value),"d" (port));
}
static void inline outb_p(char value, unsigned short port)
{
__asm__ volatile ("outb %0,%1\n\tjmp 1f\n1:\tjmp 1f\n1:"
::"a" (value),"d" (port));
}
static unsigned char inline inb(unsigned short port)
{
unsigned char _v;
__asm__ volatile ("inb %1,%0":"=a" (_v):"d" (port));
return _v;
}
static unsigned char inb_p(unsigned short port)
{
unsigned char _v;
__asm__ volatile ("inb %1,%0\n"
"\tjmp 1f\n"
"1:\tjmp 1f\n"
"1:":"=a" (_v):"d" ((unsigned short) port));
return _v;
}