37 lines
986 B
C
37 lines
986 B
C
void outportb(unsigned short _port, unsigned char _data) {
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__asm__ __volatile__ ("outb %0, %1" : : "a" (_data), "Nd" (_port));
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}
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unsigned char inportb(unsigned short _port) {
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unsigned char ret;
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__asm__ __volatile__ ("inb %1, %0" : "=a"(ret) : "Nd" (_port));
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return ret;
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}
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void outportl(unsigned short _port, unsigned long _data) {
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__asm__ __volatile__ ("outl %0, %1" : : "a" (_data), "Nd" (_port));
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}
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unsigned short inportw(unsigned short _port) {
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unsigned short ret;
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__asm__ __volatile__ ("inw %1, %0" : "=a" (ret) : "Nd" (_port));
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return ret;
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}
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unsigned long inportl(unsigned short _port) {
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unsigned long ret;
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__asm__ __volatile__ ("inl %%dx, %%eax" : "=a" (ret) : "d" (_port));
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return ret;
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}
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void outportw (unsigned short _port, unsigned short _data)
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{
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__asm__ __volatile__ ("outw %1, %0" : : "dN" (_port), "a" (_data));
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}
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void inportsl(unsigned short _port, unsigned int *buffer, int count) {
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int i;
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for (i=0;i<count;i++) {
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*(buffer + i) = inportl(_port);
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}
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} |