ref: e81c54ba2ecc673a4d5f8aed0e9b52841fe07b0d
dir: /os/manga/inb.c/
#include "u.h" #include "../port/lib.h" #include "mem.h" #include "dat.h" #include "fns.h" #include "io.h" #include "../port/error.h" #define KIOP(port) KADDR(PHYSPCIIO+(port)) int inb(ulong p) { return *(uchar*)KIOP(p); } int ins(ulong p) { return *(ushort*)KIOP(p); } ulong inl(ulong p) { return *(ulong*)KIOP(p); } void outb(ulong p, int v) { *(uchar*)KIOP(p) = v; } void outs(ulong p, int v) { *(ushort*)KIOP(p) = v; } void outl(ulong p, ulong v) { *(ulong*)KIOP(p) = v; } void inss(ulong p, void* buf, int ns) { ushort *addr; addr = (ushort*)buf; for(;ns > 0; ns--) *addr++ = *(ushort*)KIOP(p); } void outss(ulong p, void* buf, int ns) { ushort *addr; addr = (ushort*)buf; for(;ns > 0; ns--) *(ushort*)KIOP(p) = *addr++; } void insb(ulong p, void* buf, int ns) { uchar *addr; addr = (uchar*)buf; for(;ns > 0; ns--) *addr++ = *(uchar*)KIOP(p); } void outsb(ulong p, void* buf, int ns) { uchar *addr; addr = (uchar*)buf; for(;ns > 0; ns--) *(uchar*)KIOP(p) = *addr++; }