christoph/lecture-operating-system-development
1
Fork 0
Code Activity

initial reformat, still has misformats

Browse Source
This commit is contained in:
churl
2022-04-25 14:24:56 +02:00
parent 67fce9ff2d
commit 263563c105
20 changed files with 295 additions and 317 deletions
Download Patch File Download Diff File Expand all files Collapse all files

49
c_os/kernel/IOport.h
View File

@ -16,7 +16,6 @@
#ifndef __IOport_include__
#define __IOport_include__
class IOport {
// Kopieren erlaubt!
@ -25,50 +24,56 @@ class IOport {
public:
// Konstruktor, speichert Port-Adresse
IOport (unsigned short a) : address (a) { };
IOport(unsigned short a) : address(a) {};
// Byteweise Ausgabe eines Wertes ueber einen I/O-Port.
void outb (unsigned char val) const {
asm volatile ( "outb %0, %1" : : "a"(val), "Nd"(address) );
void outb(unsigned char val) const {
asm volatile("outb %0, %1"
:
: "a"(val), "Nd"(address));
}
// Wortweise Ausgabe eines Wertes ueber einen I/O-Port.
void outw (unsigned short val) const {
asm volatile ( "outw %0, %1" : : "a"(val), "Nd"(address) );
void outw(unsigned short val) const {
asm volatile("outw %0, %1"
:
: "a"(val), "Nd"(address));
}
// 32-Bit Ausgabe eines Wertes ueber einen I/O-Port.
void outdw (unsigned int val) const {
asm volatile ( "outl %0, %1" : : "a"(val), "Nd"(address) );
void outdw(unsigned int val) const {
asm volatile("outl %0, %1"
:
: "a"(val), "Nd"(address));
}
// Byteweises Einlesen eines Wertes ueber einen I/O-Port.
unsigned char inb () const {
unsigned char inb() const {
unsigned char ret;
asm volatile ( "inb %1, %0"
: "=a"(ret)
: "Nd"(address) );
asm volatile("inb %1, %0"
: "=a"(ret)
: "Nd"(address));
return ret;
}
// Wortweises Einlesen eines Wertes ueber einen I/O-Port.
unsigned short inw () const {
unsigned short inw() const {
unsigned short ret;
asm volatile ( "inw %1, %0"
: "=a"(ret)
: "Nd"(address) );
asm volatile("inw %1, %0"
: "=a"(ret)
: "Nd"(address));
return ret;
}
// 32-Bit Einlesen eines Wertes ueber einen I/O-Port.
unsigned int indw () const {
unsigned int indw() const {
unsigned int ret;
asm volatile ( "inl %1, %0"
: "=a"(ret)
: "Nd"(address) );
asm volatile("inl %1, %0"
: "=a"(ret)
: "Nd"(address));
return ret;
}
};