Add the current OS source tree, build scripts, system image layout, and development notes covering DMA page allocation, e1000 bring-up, net API dispatch, and DHCP work in progress.
15 lines
346 B
C
15 lines
346 B
C
#ifndef DSK_PORT_H
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#define DSK_PORT_H
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static inline void outb(unsigned short port, unsigned char value) {
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__asm__ volatile ("outb %0, %1" :: "a"(value), "Nd"(port));
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}
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static inline unsigned char inb(unsigned short port) {
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unsigned char value;
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__asm__ volatile ("inb %1, %0" : "=a"(value) : "Nd"(port));
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return value;
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}
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#endif
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