cmdline.c File Reference

#include <freeldr.h>

Include dependency graph for cmdline.c:

Go to the source code of this file.

Classes
struct	tagCMDLINEINFO

Typedefs
typedef struct tagCMDLINEINFO	CMDLINEINFO
typedef struct tagCMDLINEINFO *	PCMDLINEINFO

Functions
VOID	CmdLineParse (IN PCSTR CmdLine)
PCSTR	CmdLineGetDebugString (VOID)
PCSTR	CmdLineGetDefaultOS (VOID)
LONG	CmdLineGetTimeOut (VOID)

Variables
CCHAR	DebugString [256]
CCHAR	DefaultOs [256]
CMDLINEINFO	CmdLineInfo

Typedef Documentation

CMDLINEINFO

typedef struct tagCMDLINEINFO CMDLINEINFO

PCMDLINEINFO

typedef struct tagCMDLINEINFO * PCMDLINEINFO

Function Documentation

CmdLineGetDebugString()

PCSTR CmdLineGetDebugString

(

VOID

)

Definition at line 123 of file cmdline.c.

{
    return CmdLineInfo.DebugString;
}

CmdLineGetDefaultOS()

PCSTR CmdLineGetDefaultOS

(

VOID

)

Definition at line 129 of file cmdline.c.

{
    return CmdLineInfo.DefaultOs;
}

Referenced by InitOperatingSystemList().

CmdLineGetTimeOut()

LONG CmdLineGetTimeOut

(

VOID

)

Definition at line 135 of file cmdline.c.

{
    return CmdLineInfo.TimeOut;
}

Referenced by GetTimeOut().

CmdLineParse()

VOID CmdLineParse

(

IN PCSTR

CmdLine

)

Definition at line 29 of file cmdline.c.

{
    PCHAR End, Setting;
    ULONG_PTR Length, Offset = 0;
 
    /* Set defaults */
    CmdLineInfo.DebugString = NULL;
    CmdLineInfo.DefaultOs = NULL;
    CmdLineInfo.TimeOut = -1;
 
    /*
     * Get debug string, in the following format:
     * "debug=option1=XXX;option2=YYY;..."
     * and translate it into the format:
     * "OPTION1=XXX OPTION2=YYY ..."
     */
    Setting = strstr(CmdLine, "debug=");
    if (Setting)
    {
        /* Check if there are more command-line parameters following */
        Setting += sizeof("debug=") - sizeof(ANSI_NULL);
        End = strstr(Setting, " ");
        Length = (End ? (End - Setting) : strlen(Setting));
 
        /* Copy the debug string and upcase it */
        RtlStringCbCopyNA(DebugString, sizeof(DebugString), Setting, Length);
        _strupr(DebugString);
 
        /* Replace all separators ';' by spaces */
        Setting = DebugString;
        while (*Setting)
        {
            if (*Setting == ';') *Setting = ' ';
            Setting++;
        }
 
        CmdLineInfo.DebugString = DebugString;
    }
 
    /* Get timeout */
    Setting = strstr(CmdLine, "timeout=");
    if (Setting)
    {
        CmdLineInfo.TimeOut = atoi(Setting +
                                   sizeof("timeout=") - sizeof(ANSI_NULL));
    }
 
    /* Get default OS */
    Setting = strstr(CmdLine, "defaultos=");
    if (Setting)
    {
        /* Check if there are more command-line parameters following */
        Setting += sizeof("defaultos=") - sizeof(ANSI_NULL);
        End = strstr(Setting, " ");
        Length = (End ? (End - Setting) : strlen(Setting));
 
        /* Copy the default OS */
        RtlStringCbCopyNA(DefaultOs, sizeof(DefaultOs), Setting, Length);
        CmdLineInfo.DefaultOs = DefaultOs;
    }
 
    /* Get ramdisk base address */
    Setting = strstr(CmdLine, "rdbase=");
    if (Setting)
    {
        gInitRamDiskBase =
            (PVOID)(ULONG_PTR)strtoull(Setting +
                                       sizeof("rdbase=") - sizeof(ANSI_NULL),
                                       NULL, 0);
    }
 
    /* Get ramdisk size */
    Setting = strstr(CmdLine, "rdsize=");
    if (Setting)
    {
        gInitRamDiskSize = strtoul(Setting +
                                   sizeof("rdsize=") - sizeof(ANSI_NULL),
                                   NULL, 0);
    }
 
    /* Get ramdisk offset */
    Setting = strstr(CmdLine, "rdoffset=");
    if (Setting)
    {
        Offset = strtoul(Setting +
                         sizeof("rdoffset=") - sizeof(ANSI_NULL),
                         NULL, 0);
    }
 
    /* Fix it up */
    gInitRamDiskBase = (PVOID)((ULONG_PTR)gInitRamDiskBase + Offset);
}

Referenced by BootMain(), and EfiEntry().

Variable Documentation

CmdLineInfo

CMDLINEINFO CmdLineInfo

Definition at line 24 of file cmdline.c.

Referenced by CmdLineGetDebugString(), CmdLineGetDefaultOS(), CmdLineGetTimeOut(), and CmdLineParse().

DebugString

CCHAR DebugString[256]

Definition at line 22 of file cmdline.c.

Referenced by CmdLineParse(), DebugPrint(), ExpLoadInitialProcess(), RtlCreateUserProcess(), and vDbgPrintExWithPrefixInternal().

DefaultOs

CCHAR DefaultOs[256]

Definition at line 23 of file cmdline.c.

Referenced by CmdLineParse().