a few new syscalls, init process

build.bat

@@ -20,6 +20,7 @@ mkdir "obj\syscall" 2>nul
 mkdir "obj\win32"   2>nul
 mkdir "obj\posix"   2>nul
 mkdir "obj\drivers" 2>nul
+mkdir "obj\init"    2>nul
 mkdir "obj\shell"   2>nul
 mkdir "obj\video"   2>nul
 mkdir "bin"         2>nul
@@ -112,6 +113,16 @@ cl %CFLAGS% /I"%SRC%\usb" /c /Fo"obj\drivers\usb.obj" "%SRC%\drivers\usb\usb.c"
 link /nologo /SUBSYSTEM:NATIVE /NODEFAULTLIB /DLL /OUT:"bin\usb.sys" /ENTRY:DriverEntry ^
     bin\hal.lib bin\kernel.lib obj\libc.obj obj\drivers\usb.obj || exit /b 1
 
+:: ---- Compile init ----
+echo Compiling init...
+for %%f in (%SRC%\shell\*.c) do (
+    cl %CFLAGS% /c /Fo"obj\shell\%%~nf.obj" "%%f" || exit /b 1
+)
+
+:: ---- Link init.exe ----
+link %LFLAGS% /SUBSYSTEM:NATIVE /ENTRY:_start ^
+    /OUT:"bin\init.exe" /PDB:"bin\init.pdb" bin\syscall.lib obj\libc.obj obj\init\init.obj || exit /b 1
+
 :: ---- Compile shell ----
 echo Compiling shell...
 for %%f in (%SRC%\shell\*.c) do (
@@ -168,11 +179,13 @@ copy /y "bin\ide.sys"     "%DEST%\drivers\"
 copy /y "bin\ahci.sys"    "%DEST%\drivers\"
 copy /y "bin\fat32.sys"   "%DEST%\drivers\"
 copy /y "bin\usb.sys"     "%DEST%\drivers\"
+copy /y "bin\init.exe"    "%DEST%\"
 copy /y "bin\shell.exe"   "%DEST%\"
 copy /y "bin\video.exe"   "%DEST%\"
 copy /y "%SRC%\boot.ini"  "%DEST%\"
 copy /y "%SRC%\drivers\drivers.ini" "%DEST%\drivers\"
 if exist "%SRC%\video\bink2w64.dll" copy /y "%SRC%\video\bink2w64.dll" "%DEST%\"
+if exist "video.bk2" copy /y "video.bk2" "%DEST%\"
 
 :: ---- Unmount disk image ----
 echo Unmounting disk.vhd...