Reworked the boot sector & boot drive code
authorBrian Palmer <brianp@sginet.com>
Thu, 24 Jan 2002 00:59:16 +0000 (00:59 +0000)
committerBrian Palmer <brianp@sginet.com>
Thu, 24 Jan 2002 00:59:16 +0000 (00:59 +0000)
You can again use FreeLoader to dual boot between two drives or a boot sector file

svn path=/trunk/; revision=2547

freeldr/freeldr/freeldr.c
freeldr/freeldr/miscboot.c
freeldr/freeldr/miscboot.h
freeldr/freeldr/parseini.c
freeldr/freeldr/parseini.h

index 5d38858..b698f73 100644 (file)
@@ -102,32 +102,49 @@ VOID BootMain(VOID)
 
        for (;;)
        {
+               // Show the operating system list menu
                if (!DisplayMenu(OperatingSystemDisplayNames, OperatingSystemCount, DefaultOperatingSystem, TimeOut, &SelectedOperatingSystem))
                {
                        MessageBox("Press ENTER to reboot.\n");
-                       return;
+                       goto reboot;
                }
 
-               LoadAndBootReactOS(OperatingSystemSectionNames[SelectedOperatingSystem]);
+               // Try to open the operating system section in the .ini file
+               if (!OpenSection(OperatingSystemSectionNames[SelectedOperatingSystem], &SectionId))
+               {
+                       sprintf(SettingName, "Section [%s] not found in freeldr.ini.\n", OperatingSystemSectionNames[SelectedOperatingSystem]);
+                       MessageBox(SettingName);
+                       continue;
+               }
 
-               /*switch (OSList[nOSToBoot].nOSType)
+               // Try to read the boot type
+               if (!ReadSectionSettingByName(SectionId, "BootType", SettingValue, 80))
+               {
+                       sprintf(SettingName, "BootType= line not found in section [%s] in freeldr.ini.\n", OperatingSystemSectionNames[SelectedOperatingSystem]);
+                       MessageBox(SettingName);
+                       continue;
+               }
+
+               if (stricmp(SettingValue, "ReactOS") == 0)
+               {
+                       LoadAndBootReactOS(OperatingSystemSectionNames[SelectedOperatingSystem]);
+               }
+               else if (stricmp(SettingValue, "Linux") == 0)
                {
-               case OSTYPE_REACTOS:
-                       LoadAndBootReactOS(OSList[nOSToBoot].name);
-                       break;
-               case OSTYPE_LINUX:
                        MessageBox("Cannot boot this OS type yet!");
-                       break;
-               case OSTYPE_BOOTSECTOR:
-                       LoadAndBootBootSector(nOSToBoot);
-                       break;
-               case OSTYPE_PARTITION:
-                       LoadAndBootPartition(nOSToBoot);
-                       break;
-               case OSTYPE_DRIVE:
-                       LoadAndBootDrive(nOSToBoot);
-                       break;
-               }*/
+               }
+               else if (stricmp(SettingValue, "BootSector") == 0)
+               {
+                       LoadAndBootBootSector(OperatingSystemSectionNames[SelectedOperatingSystem]);
+               }
+               else if (stricmp(SettingValue, "Partition") == 0)
+               {
+                       LoadAndBootPartition(OperatingSystemSectionNames[SelectedOperatingSystem]);
+               }
+               else if (stricmp(SettingValue, "Drive") == 0)
+               {
+                       LoadAndBootDrive(OperatingSystemSectionNames[SelectedOperatingSystem]);
+               }
        }
 
        
index 07787ad..99ef501 100644 (file)
 #include "fs.h"
 #include "ui.h"
 #include "parseini.h"
+#include "disk.h"
 
-void LoadAndBootBootSector(int nOSToBoot)
+VOID LoadAndBootBootSector(PUCHAR OperatingSystemName)
 {
-       FILE*   FilePointer;
-       char    name[260];
-       char    value[260];
-       char    szFileName[1024];
-       int             i;
+       PFILE   FilePointer;
+       UCHAR   SettingName[80];
+       UCHAR   SettingValue[80];
+       ULONG   SectionId;
+       UCHAR   FileName[260];
        ULONG   BytesRead;
 
        // Find all the message box settings and run them
-       /*for (i=1; i<=GetNumSectionItems(OSList[nOSToBoot].name); i++)
+       ShowMessageBoxesInSection(OperatingSystemName);
+
+       // Try to open the operating system section in the .ini file
+       if (!OpenSection(OperatingSystemName, &SectionId))
        {
-               ReadSectionSettingByNumber(OSList[nOSToBoot].name, i, name, value);
-               if (stricmp(name, "MessageBox") == 0)
-                       MessageBox(value);
-               if (stricmp(name, "MessageLine") == 0)
-                       MessageLine(value);
+               sprintf(SettingName, "Section [%s] not found in freeldr.ini.\n", OperatingSystemName);
+               MessageBox(SettingName);
+               return;
        }
 
-       if (!ReadSectionSettingByName(OSList[nOSToBoot].name, "BootDrive", value))
+       if (!ReadSectionSettingByName(SectionId, "BootDrive", SettingValue, 80))
        {
                MessageBox("Boot drive not specified for selected OS!");
                return;
        }
 
-       BootDrive = atoi(value);
+       BootDrive = atoi(SettingValue);
 
        BootPartition = 0;
-       if (ReadSectionSettingByName(OSList[nOSToBoot].name, "BootPartition", value))
-               BootPartition = atoi(value);
+       if (ReadSectionSettingByName(SectionId, "BootPartition", SettingValue, 80))
+       {
+               BootPartition = atoi(SettingValue);
+       }
 
-       if (!ReadSectionSettingByName(OSList[nOSToBoot].name, "BootSector", value))
+       if (!ReadSectionSettingByName(SectionId, "BootSectorFile", FileName, 260))
        {
                MessageBox("Boot sector file not specified for selected OS!");
                return;
@@ -69,20 +73,18 @@ void LoadAndBootBootSector(int nOSToBoot)
                return;
        }
 
-       strcpy(szFileName, value);
-
-       FilePointer = OpenFile(szFileName);
+       FilePointer = OpenFile(FileName);
        if (FilePointer == NULL)
        {
-               strcat(value, " not found.");
-               MessageBox(value);
+               strcat(FileName, " not found.");
+               MessageBox(FileName);
                return;
        }
 
        // Read boot sector
        if (!ReadFile(FilePointer, 512, &BytesRead, (void*)0x7c00) || (BytesRead != 512))
        {
-               MessageBox("Disk Read Error");
+               DiskError("Disk read error.");
                return;
        }
 
@@ -93,15 +95,13 @@ void LoadAndBootBootSector(int nOSToBoot)
                return;
        }
 
-       RestoreScreen(ScreenBuffer);
+       clrscr();
        showcursor();
-       gotoxy(CursorXPos, CursorYPos);
-
        stop_floppy();
-       JumpToBootCode();*/
+       JumpToBootCode();
 }
 
-void LoadAndBootPartition(int nOSToBoot)
+VOID LoadAndBootPartition(PUCHAR OperatingSystemName)
 {
        char    name[260];
        char    value[260];
@@ -187,33 +187,34 @@ void LoadAndBootPartition(int nOSToBoot)
        JumpToBootCode();*/
 }
 
-void LoadAndBootDrive(int nOSToBoot)
+VOID LoadAndBootDrive(PUCHAR OperatingSystemName)
 {
-       char    name[260];
-       char    value[260];
-       int             i;
+       UCHAR   SettingName[80];
+       UCHAR   SettingValue[80];
+       ULONG   SectionId;
 
        // Find all the message box settings and run them
-       /*for (i=1; i<=GetNumSectionItems(OSList[nOSToBoot].name); i++)
+       ShowMessageBoxesInSection(OperatingSystemName);
+
+       // Try to open the operating system section in the .ini file
+       if (!OpenSection(OperatingSystemName, &SectionId))
        {
-               ReadSectionSettingByNumber(OSList[nOSToBoot].name, i, name, value);
-               if (stricmp(name, "MessageBox") == 0)
-                       MessageBox(value);
-               if (stricmp(name, "MessageLine") == 0)
-                       MessageLine(value);
+               sprintf(SettingName, "Section [%s] not found in freeldr.ini.\n", OperatingSystemName);
+               MessageBox(SettingName);
+               return;
        }
 
-       if (!ReadSectionSettingByName(OSList[nOSToBoot].name, "BootDrive", value))
+       if (!ReadSectionSettingByName(SectionId, "BootDrive", SettingValue, 80))
        {
                MessageBox("Boot drive not specified for selected OS!");
                return;
        }
 
-       BootDrive = atoi(value);
+       BootDrive = atoi(SettingValue);
 
-       if (!biosdisk(_DISK_READ, BootDrive, 0, 0, 1, 1, (void*)0x7c00))
+       if (!BiosInt13Read(BootDrive, 0, 0, 1, 1, (PVOID)0x7C00))
        {
-               MessageBox("Disk Read Error");
+               DiskError("Disk read error.");
                return;
        }
 
@@ -224,10 +225,8 @@ void LoadAndBootDrive(int nOSToBoot)
                return;
        }
 
-       RestoreScreen(ScreenBuffer);
+       clrscr();
        showcursor();
-       gotoxy(CursorXPos, CursorYPos);
-
        stop_floppy();
-       JumpToBootCode();*/
+       JumpToBootCode();
 }
index 69f3b77..220a73b 100644 (file)
@@ -22,8 +22,8 @@
 
 void   JumpToBootCode(void);   // Implemented in boot.S
 
-void   LoadAndBootBootSector(int nOSToBoot);
-void   LoadAndBootPartition(int nOSToBoot);
-void   LoadAndBootDrive(int nOSToBoot);
+VOID   LoadAndBootBootSector(PUCHAR OperatingSystemName);
+VOID   LoadAndBootPartition(PUCHAR OperatingSystemName);
+VOID   LoadAndBootDrive(PUCHAR OperatingSystemName);
 
 #endif // defined __BOOT_H
index 42713da..aafe033 100644 (file)
@@ -431,90 +431,3 @@ BOOL IsValidSetting(char *setting, char *value)
 
        return FALSE;
 }
-
-/*void SetSetting(char *setting, char *value)
-{
-       char    v[260];
-
-       if(stricmp(setting, "TitleText") == 0)
-               strcpy(szTitleBoxTitleText, value);
-       else if(stricmp(setting, "StatusBarColor") == 0)
-               cStatusBarBgColor = TextToColor(value);
-       else if(stricmp(setting, "StatusBarTextColor") == 0)
-               cStatusBarFgColor = TextToColor(value);
-       else if(stricmp(setting, "BackdropTextColor") == 0)
-               cBackdropFgColor = TextToColor(value);
-       else if(stricmp(setting, "BackdropColor") == 0)
-               cBackdropBgColor = TextToColor(value);
-       else if(stricmp(setting, "BackdropFillStyle") == 0)
-               cBackdropFillStyle = TextToFillStyle(value);
-       else if(stricmp(setting, "TitleBoxTextColor") == 0)
-               cTitleBoxFgColor = TextToColor(value);
-       else if(stricmp(setting, "TitleBoxColor") == 0)
-               cTitleBoxBgColor = TextToColor(value);
-       else if(stricmp(setting, "MessageBoxTextColor") == 0)
-               cMessageBoxFgColor = TextToColor(value);
-       else if(stricmp(setting, "MessageBoxColor") == 0)
-               cMessageBoxBgColor = TextToColor(value);
-       else if(stricmp(setting, "MenuTextColor") == 0)
-               cMenuFgColor = TextToColor(value);
-       else if(stricmp(setting, "MenuColor") == 0)
-               cMenuBgColor = TextToColor(value);
-       else if(stricmp(setting, "TextColor") == 0)
-               cTextColor = TextToColor(value);
-       else if(stricmp(setting, "SelectedTextColor") == 0)
-               cSelectedTextColor = TextToColor(value);
-       else if(stricmp(setting, "SelectedColor") == 0)
-               cSelectedTextBgColor = TextToColor(value);
-       else if(stricmp(setting, "OS") == 0)
-       {
-               if(nNumOS >= 16)
-               {
-                       printf("Error: you can only boot to at most 16 different operating systems.\n");
-                       printf("Press any key to continue\n");
-                       getch();
-                       return;
-               }
-
-               if(!GetNumSectionItems(value))
-               {
-                       printf("Error: OS \"%s\" listed.\n", value);
-                       printf("It does not have it's own [section], or it is empty.\n");
-                       printf("Press any key to continue\n");
-                       getch();
-                       return;
-               }
-
-               strcpy(OSList[nNumOS].name, value);
-
-               if (!ReadSectionSettingByName(value, "BootType", v))
-               {
-                       printf("Unknown BootType for OS \"%s\"\n", value);
-                       printf("Press any key to continue\n");
-                       getch();
-                       return;
-               }
-
-               if (stricmp(v, "ReactOS") == 0)
-                       OSList[nNumOS].nOSType = OSTYPE_REACTOS;
-               else if (stricmp(v, "Linux") == 0)
-                       OSList[nNumOS].nOSType = OSTYPE_LINUX;
-               else if (stricmp(v, "BootSector") == 0)
-                       OSList[nNumOS].nOSType = OSTYPE_BOOTSECTOR;
-               else if (stricmp(v, "Partition") == 0)
-                       OSList[nNumOS].nOSType = OSTYPE_PARTITION;
-               else if (stricmp(v, "Drive") == 0)
-                       OSList[nNumOS].nOSType = OSTYPE_DRIVE;
-               else
-               {
-                       printf("Unknown BootType for OS \"%s\"\n", value);
-                       printf("Press any key to continue\n");
-                       getch();
-                       return;
-               }
-
-               nNumOS++;
-       }
-       else if(stricmp(setting, "TimeOut") == 0)
-               nTimeOut = atoi(value);
-}*/
index d799451..363e8e5 100644 (file)
@@ -36,7 +36,6 @@ ULONG GetNumSectionItems(ULONG SectionId);
 BOOL   ReadSectionSettingByNumber(ULONG SectionId, ULONG SettingNumber, PUCHAR SettingName, ULONG NameSize, PUCHAR SettingValue, ULONG ValueSize);
 BOOL   ReadSectionSettingByName(ULONG SectionId, PUCHAR SettingName, PUCHAR Buffer, ULONG BufferSize);
 BOOL   IsValidSetting(char *setting, char *value);
-void   SetSetting(char *setting, char *value);
 
 
 #endif // defined __PARSEINI_H