ladybird/Kernel/Syscall.h
Andreas Kling 7a7956a595 Virtual consoles kinda work!
We now make three VirtualConsoles at boot: tty0, tty1, and tty2.
We launch an instance of /bin/sh in each one.
You switch between them with Alt+1/2/3

How very very cool :^)
2018-10-30 15:33:37 +01:00

72 lines
1.8 KiB
C++

#pragma once
#include <AK/Types.h>
#define DO_SYSCALL_A0(function) Syscall::invoke((dword)(function))
#define DO_SYSCALL_A1(function, arg1) Syscall::invoke((dword)(function), (dword)(arg1))
#define DO_SYSCALL_A2(function, arg1, arg2) Syscall::invoke((dword)(function), (dword)(arg1), (dword)(arg2))
#define DO_SYSCALL_A3(function, arg1, arg2, arg3) Syscall::invoke((dword)(function), (dword)(arg1), (dword)(arg2), (dword)arg3)
namespace Syscall {
enum Function {
Spawn = 0x1981,
Sleep = 0x1982,
Yield = 0x1983,
PutCharacter = 1984,
PosixOpen = 0x1985,
PosixClose = 0x1986,
PosixRead = 0x1987,
PosixSeek = 0x1988,
PosixKill = 0x1989,
PosixGetuid = 0x1990,
PosixExit = 0x1991,
PosixGetgid = 0x1992,
PosixGetpid = 0x1993,
PosixWaitpid = 0x1994,
PosixMmap = 0x1995,
PosixMunmap = 0x1996,
GetDirEntries = 0x1997,
PosixLstat = 0x1998,
PosixGetcwd = 0x1999,
PosixGettimeofday = 0x2000,
PosixGethostname = 0x2001,
GetArguments = 0x2002,
PosixChdir = 0x2003,
PosixUname = 0x2004,
SetMmapName = 0x2005,
PosixReadlink = 0x2006,
PosixWrite = 0x2007,
};
void initialize();
inline dword invoke(dword function)
{
dword result;
asm volatile("int $0x80":"=a"(result):"a"(function));
return result;
}
inline dword invoke(dword function, dword arg1)
{
dword result;
asm volatile("int $0x80":"=a"(result):"a"(function),"d"(arg1));
return result;
}
inline dword invoke(dword function, dword arg1, dword arg2)
{
dword result;
asm volatile("int $0x80":"=a"(result):"a"(function),"d"(arg1),"c"(arg2));
return result;
}
inline dword invoke(dword function, dword arg1, dword arg2, dword arg3)
{
dword result;
asm volatile("int $0x80":"=a"(result):"a"(function),"d"(arg1),"c"(arg2),"b"(arg3));
return result;
}
}