freeldr.h File Reference

#include <ntsup.h>
#include <arcname.h>
#include <arcsupp.h>
#include <bytesex.h>
#include <cache.h>
#include <cmdline.h>
#include <comm.h>
#include <disk.h>
#include <fs.h>
#include <inifile.h>
#include <keycodes.h>
#include <linux.h>
#include <custom.h>
#include <miscboot.h>
#include <machine.h>
#include <mm.h>
#include <multiboot.h>
#include <options.h>
#include <oslist.h>
#include <ramdisk.h>
#include <ver.h>
#include <include/ntldr/winldr.h>
#include <conversion.h>
#include <peloader.h>
#include <fs/ext2.h>
#include <fs/fat.h>
#include <fs/ntfs.h>
#include <fs/iso.h>
#include <fs/pxe.h>
#include <fs/btrfs.h>
#include <ui.h>
#include <ui/video.h>
#include <arch/archwsup.h>

Include dependency graph for freeldr.h:

Go to the source code of this file.

Macros
#define	UINT64_C(val)   val##ULL
#define	RVA(m, b)   ((PVOID)((ULONG_PTR)(b) + (ULONG_PTR)(m)))
#define	ROUND_DOWN(n, align)    (((ULONG)n) & ~((align) - 1l))
#define	ROUND_UP(n, align)    ROUND_DOWN(((ULONG)n) + (align) - 1, (align))
#define	printf   TuiPrintf

Functions
VOID __cdecl	BootMain (IN PCCH CmdLine)
VOID	LoadOperatingSystem (IN OperatingSystemItem *OperatingSystem)
VOID	RunLoader (VOID)
VOID	FrLdrCheckCpuCompatibility (VOID)

Macro Definition Documentation

printf

#define printf   TuiPrintf

Definition at line 94 of file freeldr.h.

ROUND_DOWN

#define ROUND_DOWN	(		n,
			align
	)		(((ULONG)n) & ~((align) - 1l))

Definition at line 26 of file freeldr.h.

ROUND_UP

#define ROUND_UP	(		n,
			align
	)		ROUND_DOWN(((ULONG)n) + (align) - 1, (align))

Definition at line 29 of file freeldr.h.

RVA

#define RVA	(		m,
			b
	)		((PVOID)((ULONG_PTR)(b) + (ULONG_PTR)(m)))

Definition at line 24 of file freeldr.h.

UINT64_C

#define UINT64_C

(

val

)

val##ULL

Definition at line 23 of file freeldr.h.

Function Documentation

BootMain()

VOID __cdecl BootMain

(

IN PCCH

CmdLine

)

Definition at line 43 of file freeldr.c.

{
    CmdLineParse(CmdLine);
 
    /* Debugger pre-initialization */
    DebugInit(0);
 
    MachInit(CmdLine);
 
    TRACE("BootMain() called.\n");
 
#ifndef UEFIBOOT
    /* Check if the CPU is new enough */
    FrLdrCheckCpuCompatibility(); // FIXME: Should be done inside MachInit!
#endif
 
    /* UI pre-initialization */
    if (!UiInitialize(FALSE))
    {
        UiMessageBoxCritical("Unable to initialize UI.");
        goto Quit;
    }
 
    /* Initialize memory manager */
    if (!MmInitializeMemoryManager())
    {
        UiMessageBoxCritical("Unable to initialize memory manager.");
        goto Quit;
    }
 
    /* Initialize I/O subsystem */
    FsInit();
 
    RunLoader();
 
Quit:
    /* If we reach this point, something went wrong before, therefore reboot */
    Reboot();
}

Referenced by ArmInit(), and RealEntryPoint().

FrLdrCheckCpuCompatibility()

VOID FrLdrCheckCpuCompatibility

(

VOID

)

Definition at line 65 of file macharm.c.

{
    /* Nothing for now */
}

Referenced by BootMain().

LoadOperatingSystem()

VOID LoadOperatingSystem

(

IN OperatingSystemItem *

OperatingSystem

)

Definition at line 180 of file bootmgr.c.

{
    ULONG_PTR SectionId = OperatingSystem->SectionId;
    ULONG i;
    ULONG Argc;
    PCHAR* Argv;
    CHAR BootType[80];
 
    /* The operating system section has been opened by InitOperatingSystemList() */
    ASSERT(SectionId != 0);
 
    /* Try to read the boot type */
    *BootType = ANSI_NULL;
    IniReadSettingByName(SectionId, "BootType", BootType, sizeof(BootType));
 
    /* We must have the "BootType" value (it has been possibly added by InitOperatingSystemList()) */
    ASSERT(*BootType);
 
#ifdef _M_IX86
#ifndef UEFIBOOT
    /* Install the drive mapper according to this section drive mappings */
    DriveMapMapDrivesInSection(SectionId);
#endif
#endif
 
    /* Find the suitable OS loader to start */
    for (i = 0; ; ++i)
    {
        if (i >= RTL_NUMBER_OF(OSLoadingMethods))
            return;
        if (_stricmp(BootType, OSLoadingMethods[i].BootType) == 0)
            break;
    }
 
    /* Build the ARC-compatible argument vector */
    Argv = BuildArgvForOsLoader(OperatingSystem->LoadIdentifier, SectionId, &Argc);
    if (!Argv)
        return; // Unexpected failure.
 
    /* Start the OS loader */
    OSLoadingMethods[i].OsLoader(Argc, Argv, NULL);
    FrLdrHeapFree(Argv, TAG_STRING);
}

Referenced by RunLoader().

RunLoader()

VOID RunLoader

(

VOID

)

Definition at line 303 of file bootmgr.c.

{
    ULONG_PTR SectionId;
    LONG      TimeOut;
    ULONG     OperatingSystemCount;
    OperatingSystemItem* OperatingSystemList;
    PCSTR*    OperatingSystemDisplayNames;
    ULONG     DefaultOperatingSystem;
    ULONG     SelectedOperatingSystem;
    ULONG     i;
 
    if (!MachInitializeBootDevices())
    {
        UiMessageBoxCritical("Error when detecting hardware.");
        return;
    }
 
#ifdef _M_IX86
#ifndef UEFIBOOT
    /* Load additional SCSI driver (if any) */
    if (LoadBootDeviceDriver() != ESUCCESS)
    {
        UiMessageBoxCritical("Unable to load additional boot device drivers.");
    }
#endif
#endif
 
    if (!IniFileInitialize())
    {
        UiMessageBoxCritical("Error initializing .ini file.");
        return;
    }
 
    /* Open the [FreeLoader] section */
    if (!IniOpenSection("FreeLoader", &SectionId))
    {
        UiMessageBoxCritical("Section [FreeLoader] not found in freeldr.ini.");
        return;
    }
 
    /* Debugger main initialization */
    DebugInit(SectionId);
 
    /* Retrieve the default timeout */
    TimeOut = GetTimeOut(SectionId);
 
    /* UI main initialization */
    if (!UiInitialize(TRUE))
    {
        UiMessageBoxCritical("Unable to initialize UI.");
        return;
    }
 
    OperatingSystemList = InitOperatingSystemList(SectionId,
                                                  &OperatingSystemCount,
                                                  &DefaultOperatingSystem);
    if (!OperatingSystemList)
    {
        UiMessageBox("Unable to read operating systems section in freeldr.ini.\nPress ENTER to reboot.");
        goto Reboot;
    }
    if (OperatingSystemCount == 0)
    {
        UiMessageBox("There were no operating systems listed in freeldr.ini.\nPress ENTER to reboot.");
        goto Reboot;
    }
 
    /* Create list of display names */
    OperatingSystemDisplayNames = FrLdrTempAlloc(sizeof(PCSTR) * OperatingSystemCount, 'mNSO');
    if (!OperatingSystemDisplayNames)
        goto Reboot;
 
    for (i = 0; i < OperatingSystemCount; i++)
    {
        OperatingSystemDisplayNames[i] = OperatingSystemList[i].LoadIdentifier;
    }
 
    /* Find all the message box settings and run them */
    UiShowMessageBoxesInSection(SectionId);
 
    for (;;)
    {
        /* Redraw the backdrop */
        UiDrawBackdrop();
 
        /* Show the operating system list menu */
        if (!UiDisplayMenu("Please select the operating system to start:",
                           "For troubleshooting and advanced startup options for "
                               "ReactOS, press F8.",
                           TRUE,
                           OperatingSystemDisplayNames,
                           OperatingSystemCount,
                           DefaultOperatingSystem,
                           TimeOut,
                           &SelectedOperatingSystem,
                           FALSE,
                           MainBootMenuKeyPressFilter,
                           OperatingSystemList))
        {
            UiMessageBox("Press ENTER to reboot.");
            goto Reboot;
        }
 
        TimeOut = -1;
 
        /* Load the chosen operating system */
        LoadOperatingSystem(&OperatingSystemList[SelectedOperatingSystem]);
 
        /* If we get there, the OS loader failed. As it may have
         * messed up the display, re-initialize the UI. */
#ifndef _M_ARM
        UiVtbl.UnInitialize();
#endif
        UiInitialize(TRUE);
    }
 
Reboot:
    UiUnInitialize("Rebooting...");
    IniCleanup();
    return;
}

Referenced by BootMain(), and ExecuteLoaderCleanly().