880 lines
20 KiB
C
880 lines
20 KiB
C
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/*++
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Copyright (c) 1997 Microsoft Corporation
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Module Name:
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advboot.c
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Abstract:
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Handles the advanced options boot menu screen.
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Author:
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Wesley Wittt (wesw) 12-Dec-1997
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Revision History:
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--*/
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#ifdef i386
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#include "bldrx86.h"
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#endif
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#if defined(_IA64_)
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#include "bldria64.h"
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#endif
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#include <netboot.h>
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#include "msg.h"
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#include "ntdddisk.h"
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "bldrint.h"
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#if 0
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ULONG VerboseDebugging = 0;
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#define dbg(x) \
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if(VerboseDebugging) { \
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DbgPrint x; \
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}
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#define dbgbrk() \
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if(VerboseDebugging) { \
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DbgBreakPoint(); \
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}
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#else
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#define dbg(x) /* x */
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#define dbgbrk() /* */
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#endif
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//
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// used to force the boot loader into
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// using LKG even though the LKG menu
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// wasn't used.
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//
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extern BOOLEAN ForceLastKnownGood;
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#define ATTR_TEXT 0x07
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#define ATTR_TEXT_REVERSE 0x70
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#define HEADER_START_Y 0x01
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//
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// menu data structures and defines
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//
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#define MENU_ITEM 1
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#define MENU_BLANK_LINE 2
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typedef void (*PADVANCED_BOOT_PROCESSING)(void);
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typedef int (*PADVANCED_BOOT_ISVALID)(void);
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typedef struct _ADVANCEDBOOT_OPTIONS {
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ULONG MenuType;
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ULONG MsgId;
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PTSTR DisplayStr;
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PSTR LoadOptions;
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LONG RemoveIfPresent;
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ULONG UseEntry;
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ULONG AutoAdvancedBootOption;
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PADVANCED_BOOT_PROCESSING ProcessFunc;
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PADVANCED_BOOT_ISVALID IsValid;
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BOOLEAN IsDefault;
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} ADVANCEDBOOT_OPTIONS, PADVANCEDBOOT_OPTIONS;
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//
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// some prototypes that are needed for
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// the menu definitions.
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//
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void
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BlProcessLastKnownGoodOption(
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void
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);
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int
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BlIsReturnToOSChoicesValid(
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VOID
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);
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#if defined(REMOTE_BOOT)
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void
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BlProcessOschooserOption(
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void
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);
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void
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BlProcessRepinOption(
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void
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);
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void
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BlDisableCSC(
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void
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);
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void
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BlBootNormally(
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void
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);
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void
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BlReturnToOSChoiceMenu(
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void
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);
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int
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BlIsRemoteBootValid(
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void
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);
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#endif // defined(REMOTE_BOOT)
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//
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// this table drives the advanced boot menu screen.
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// of you need to add something to the screen then
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// this is what you need to modify.
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//
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ADVANCEDBOOT_OPTIONS AdvancedBootOptions[] =
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{
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{ MENU_ITEM, BL_SAFEBOOT_OPTION1, NULL, "SAFEBOOT:MINIMAL SOS BOOTLOG NOGUIBOOT", -1, 0, 1, NULL, NULL, FALSE},
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{ MENU_ITEM, BL_SAFEBOOT_OPTION2, NULL, "SAFEBOOT:NETWORK SOS BOOTLOG NOGUIBOOT", -1, 0, 1, NULL, NULL, FALSE},
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{ MENU_ITEM, BL_SAFEBOOT_OPTION4, NULL, "SAFEBOOT:MINIMAL(ALTERNATESHELL) SOS BOOTLOG NOGUIBOOT", -1, 0, 1, NULL, NULL, FALSE},
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// { MENU_ITEM, BL_SAFEBOOT_OPTION3, NULL, "SAFEBOOT:STEPBYSTEP SOS BOOTLOG", -1, 0, 1, NULL, NULL, FALSE},
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{ MENU_BLANK_LINE, 0, NULL, NULL, -1, 0, 1, NULL, NULL, FALSE},
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{ MENU_ITEM, BL_BOOTLOG, NULL, "BOOTLOG", -1, 0, 0, NULL, NULL, FALSE},
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{ MENU_ITEM, BL_BASEVIDEO, NULL, "BASEVIDEO", -1, 0, 0, NULL, NULL, FALSE},
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{ MENU_ITEM, BL_LASTKNOWNGOOD_OPTION, NULL, NULL, -1, 0, 1, BlProcessLastKnownGoodOption, NULL, FALSE},
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{ MENU_ITEM, BL_SAFEBOOT_OPTION6, NULL, "SAFEBOOT:DSREPAIR SOS", -1, 0, 0, NULL, NULL, FALSE},
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{ MENU_ITEM, BL_DEBUG_OPTION, NULL, "DEBUG", -1, 0, 0, NULL, NULL, FALSE},
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#if defined(REMOTE_BOOT)
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{ MENU_BLANK_LINE, 0, NULL, NULL, -1, 0, 0, NULL, BlIsRemoteBootValid, FALSE},
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{ MENU_ITEM, BL_REMOTEBOOT_OPTION1, NULL, NULL, -1, 0, 0, BlProcessOschooserOption, BlIsRemoteBootValid, FALSE},
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{ MENU_ITEM, BL_REMOTEBOOT_OPTION2, NULL, NULL, -1, 0, 0, BlProcessRepinOption, BlIsRemoteBootValid, FALSE},
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{ MENU_ITEM, BL_REMOTEBOOT_OPTION3, NULL, NULL, -1, 0, 0, BlDisableCSC, BlIsRemoteBootValid, FALSE},
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#endif // defined(REMOTE_BOOT)
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{ MENU_BLANK_LINE, 0, NULL, NULL, -1, 0, 1, NULL, NULL, FALSE},
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{ MENU_ITEM, BL_MSG_BOOT_NORMALLY, NULL, NULL, -1, 0, 1, NULL, NULL, TRUE},
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{ MENU_ITEM, BL_MSG_REBOOT, NULL, NULL, -1, 0, 0, NULL, NULL, FALSE},
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{ MENU_ITEM, BL_MSG_OSCHOICES_MENU, NULL, NULL, -1, 0, 0, NULL, BlIsReturnToOSChoicesValid, FALSE}
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};
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#define MaxAdvancedBootOptions (sizeof(AdvancedBootOptions)/sizeof(ADVANCEDBOOT_OPTIONS))
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PTSTR
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BlGetAdvancedBootDisplayString(
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LONG BootOption
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)
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/*++
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Routine Description:
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Returns a pointer to the display string for a specific
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boot option.
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Arguments:
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BootOption - Desired boot option. Must correspond to an entry
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in the AdvancedBootOptions table.
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Return Value:
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PSTR - Pointer to the display string for the specified boot option.
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--*/
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{
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if (BootOption > MaxAdvancedBootOptions-1) {
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return TEXT("");
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}
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return AdvancedBootOptions[BootOption].DisplayStr;
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}
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ULONG
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BlGetAdvancedBootID(
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LONG BootOption
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)
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/*++
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Routine Description:
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Returns a ULONG indicating the string ID for a specific
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boot option.
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Arguments:
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BootOption - Desired boot option. Must correspond to an entry
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in the AdvancedBootOptions table.
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Return Value:
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MessageID for the string which is displayed for the
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the advanced boot option in the menu (unique ID).
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--*/
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{
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if (BootOption > MaxAdvancedBootOptions-1) {
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return -1;
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}
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return AdvancedBootOptions[BootOption].MsgId;
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}
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PSTR
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BlGetAdvancedBootLoadOptions(
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LONG BootOption
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)
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/*++
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Routine Description:
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Returns a pointer to the load options string for a specific
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boot option.
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Arguments:
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BootOption - Desired boot option. Must correspond to an entry
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in the AdvancedBootOptions table.
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Return Value:
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PSTR - Pointer to the load options string for the specified boot option.
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--*/
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{
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if (BootOption > MaxAdvancedBootOptions-1) {
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return "";
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}
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return AdvancedBootOptions[BootOption].LoadOptions;
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}
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void
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BlDoAdvancedBootLoadProcessing(
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LONG BootOption
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)
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/*++
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Routine Description:
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Performs any processing necessary for a
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boot option. This is used if the necessary action
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needed for a specific boot option cannot be
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expressed in terms of a load option string.
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Arguments:
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BootOption - Desired boot option. Must correspond to an entry
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in the AdvancedBootOptions table.
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Return Value:
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Nothing.
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--*/
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{
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if (BootOption > MaxAdvancedBootOptions-1 || AdvancedBootOptions[BootOption].ProcessFunc == NULL) {
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return;
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}
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AdvancedBootOptions[BootOption].ProcessFunc();
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}
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void
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BlProcessLastKnownGoodOption(
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void
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)
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/*++
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Routine Description:
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Performs LKG processing by simply setting a
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global boolean to TRUE.
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Arguments:
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None.
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Return Value:
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Nothing.
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--*/
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{
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ForceLastKnownGood = TRUE;
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}
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#if defined(REMOTE_BOOT)
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void
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BlProcessOschooserOption(
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void
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)
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/*++
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Routine Description:
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Brings up OSchooser so user can do remote boot maintenance.
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Arguments:
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None.
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Return Value:
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Nothing.
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--*/
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{
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return; // not yet implemented
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}
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void
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BlProcessRepinOption(
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void
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)
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/*++
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Routine Description:
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Sets NetBootRepin to cause the CSC to be repinned.
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Arguments:
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None.
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Return Value:
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Nothing.
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--*/
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{
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NetBootRepin = TRUE;
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NetBootCSC = FALSE;
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}
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void
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BlDisableCSC(
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void
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)
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/*++
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Routine Description:
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Clears NetBootCSC to cause the CSC to be disabled so that the local CSC
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can be inspected.
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Arguments:
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None.
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Return Value:
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Nothing.
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--*/
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{
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NetBootCSC = FALSE;
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}
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int
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BlIsRemoteBootValid(
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void
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)
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/*++
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Routine Description:
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Used for the remote boot options so that they
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can be displayed dynamically.
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Arguments:
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None.
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Return Value:
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TRUE or FALSE.
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--*/
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{
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return BlBootingFromNet;
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}
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#endif // defined(REMOTE_BOOT)
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LONG
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BlDoAdvancedBoot(
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IN ULONG MenuTitleId,
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IN LONG DefaultBootOption,
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IN BOOLEAN AutoAdvancedBoot,
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IN UCHAR Timeout
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)
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/*++
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Routine Description:
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Displays the menu of boot options and allows the user to select one
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|
|
by using the arrow keys.
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
MenuTitleId - the message ID of the title for the menu. The title
|
||
|
|
will be different depending on whether the user
|
||
|
|
selected advanced boot or whether the loader has
|
||
|
|
determined that the system didn't boot or shutdown
|
||
|
|
correctly (auto advanced boot)
|
||
|
|
|
||
|
|
DefaultBootOption - menu selection to set the highligh on
|
||
|
|
when the menu is drawn the first time.
|
||
|
|
|
||
|
|
AutoAdvancedBoot - the menu is being displayed by the auto-advanced boot
|
||
|
|
code. In this case a simplified menu is displayed
|
||
|
|
containing the options relevant to recovering from a
|
||
|
|
detected crash.
|
||
|
|
|
||
|
|
Timeout - the number of seconds to wait for input before
|
||
|
|
simply returning the default boot option.
|
||
|
|
A timeout value of 0 means no timeout (the menu will
|
||
|
|
stay up until an option is chosen)
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
LONG - The index of the advanced boot option that was selected
|
||
|
|
or -1 to reset the selection to "nothing".
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
{
|
||
|
|
PTCHAR Title;
|
||
|
|
PTCHAR MoveHighlight;
|
||
|
|
ULONG i,j;
|
||
|
|
ULONG MaxLength;
|
||
|
|
ULONG CurrentLength;
|
||
|
|
ULONG Selection;
|
||
|
|
ULONG Key;
|
||
|
|
ULONG NumValidEntries = 0;
|
||
|
|
BOOLEAN DisplayMenu;
|
||
|
|
UCHAR ch;
|
||
|
|
ULONG Count;
|
||
|
|
|
||
|
|
PTCHAR TimeoutMessage;
|
||
|
|
ULONG LastTime;
|
||
|
|
ULONG TicksRemaining = -1;
|
||
|
|
ULONG SecondsRemaining = -1;
|
||
|
|
|
||
|
|
ULONG OptionStartY;
|
||
|
|
ULONG CurrentX;
|
||
|
|
ULONG CurrentY;
|
||
|
|
|
||
|
|
ULONG MenuDefault;
|
||
|
|
|
||
|
|
//
|
||
|
|
// load any resource strings
|
||
|
|
//
|
||
|
|
|
||
|
|
Title = BlFindMessage(MenuTitleId);
|
||
|
|
|
||
|
|
MoveHighlight = BlFindMessage(BL_MOVE_HIGHLIGHT);
|
||
|
|
|
||
|
|
TimeoutMessage = BlFindMessage(BL_ADVANCEDBOOT_TIMEOUT);
|
||
|
|
|
||
|
|
if (Title == NULL || MoveHighlight == NULL || TimeoutMessage == NULL) {
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Remove the newline at the end of the timeout message.
|
||
|
|
//
|
||
|
|
|
||
|
|
{
|
||
|
|
PTCHAR p;
|
||
|
|
p=_tcschr(TimeoutMessage,TEXT('\r'));
|
||
|
|
if (p!=NULL) {
|
||
|
|
*p=TEXT('\0');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// print the screen header, etc.
|
||
|
|
//
|
||
|
|
#ifdef EFI
|
||
|
|
BlEfiSetAttribute( DEFATT );
|
||
|
|
BlClearScreen();
|
||
|
|
BlEfiPositionCursor(0, HEADER_START_Y);
|
||
|
|
#else
|
||
|
|
ARC_DISPLAY_CLEAR();
|
||
|
|
ARC_DISPLAY_ATTRIBUTES_OFF();
|
||
|
|
ARC_DISPLAY_POSITION_CURSOR(0, HEADER_START_Y);
|
||
|
|
#endif
|
||
|
|
BlPrint(Title);
|
||
|
|
|
||
|
|
#ifdef EFI
|
||
|
|
BlEfiGetCursorPosition(&CurrentX, &CurrentY);
|
||
|
|
#else
|
||
|
|
TextGetCursorPosition(&CurrentX, &CurrentY);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
OptionStartY = CurrentY;
|
||
|
|
|
||
|
|
//
|
||
|
|
// check to see which boot options are valid. While we're scanning save
|
||
|
|
// the index of the default option.
|
||
|
|
//
|
||
|
|
|
||
|
|
for (i=0,MaxLength=0; i<MaxAdvancedBootOptions; i++) {
|
||
|
|
if (AutoAdvancedBoot && !AdvancedBootOptions[i].AutoAdvancedBootOption) {
|
||
|
|
AdvancedBootOptions[i].UseEntry = FALSE;
|
||
|
|
} else if (AdvancedBootOptions[i].IsValid) {
|
||
|
|
AdvancedBootOptions[i].UseEntry = AdvancedBootOptions[i].IsValid();
|
||
|
|
} else {
|
||
|
|
AdvancedBootOptions[i].UseEntry = TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
if(AdvancedBootOptions[i].IsDefault) {
|
||
|
|
MenuDefault = i;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// check to see which boot options are invalid based
|
||
|
|
// on the presence of other boot options
|
||
|
|
//
|
||
|
|
|
||
|
|
for (i=0,MaxLength=0; i<MaxAdvancedBootOptions; i++) {
|
||
|
|
if (AdvancedBootOptions[i].RemoveIfPresent != -1) {
|
||
|
|
if (AdvancedBootOptions[AdvancedBootOptions[i].RemoveIfPresent].UseEntry) {
|
||
|
|
AdvancedBootOptions[i].UseEntry = FALSE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// count the number of valid entries
|
||
|
|
//
|
||
|
|
|
||
|
|
for (i=0,MaxLength=0; i<MaxAdvancedBootOptions; i++) {
|
||
|
|
if (AdvancedBootOptions[i].UseEntry) {
|
||
|
|
NumValidEntries += 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// load all the string for the various boot options
|
||
|
|
// Find the longest string in the selections, so we know how long to
|
||
|
|
// make the highlight bar.
|
||
|
|
//
|
||
|
|
|
||
|
|
for (i=0,MaxLength=0; i<MaxAdvancedBootOptions; i++) {
|
||
|
|
if (AdvancedBootOptions[i].MenuType == MENU_ITEM && AdvancedBootOptions[i].UseEntry) {
|
||
|
|
if (AdvancedBootOptions[i].DisplayStr == NULL) {
|
||
|
|
AdvancedBootOptions[i].DisplayStr = BlFindMessage(AdvancedBootOptions[i].MsgId);
|
||
|
|
if (AdvancedBootOptions[i].DisplayStr == NULL) {
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
CurrentLength = _tcslen(AdvancedBootOptions[i].DisplayStr);
|
||
|
|
if (CurrentLength > MaxLength) {
|
||
|
|
MaxLength = CurrentLength;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// print the trailer message
|
||
|
|
//
|
||
|
|
#ifdef EFI
|
||
|
|
BlEfiPositionCursor(0, OptionStartY + NumValidEntries);
|
||
|
|
#else
|
||
|
|
ARC_DISPLAY_POSITION_CURSOR(0, OptionStartY + NumValidEntries);
|
||
|
|
#endif
|
||
|
|
BlPrint(MoveHighlight);
|
||
|
|
|
||
|
|
//
|
||
|
|
// process the menu
|
||
|
|
//
|
||
|
|
|
||
|
|
Selection = ((DefaultBootOption == -1) ?
|
||
|
|
MenuDefault :
|
||
|
|
DefaultBootOption);
|
||
|
|
|
||
|
|
while (AdvancedBootOptions[Selection].UseEntry == FALSE) {
|
||
|
|
Selection += 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
DisplayMenu = TRUE;
|
||
|
|
|
||
|
|
if(Timeout) {
|
||
|
|
|
||
|
|
//
|
||
|
|
// according to the code in the boot loader there are roughly 18.2
|
||
|
|
// ticks per second from the counter.
|
||
|
|
//
|
||
|
|
|
||
|
|
TicksRemaining = Timeout * 182 / 10;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Now that we've rounded, compute the number of seconds remaining as
|
||
|
|
// well. We'll use this to determine if the menu needs updated.
|
||
|
|
//
|
||
|
|
|
||
|
|
SecondsRemaining = (TicksRemaining * 10) / 182;
|
||
|
|
|
||
|
|
dbg(("Timeout = %#x, Ticks = %#x, Seconds = %#x\n", Timeout, TicksRemaining, SecondsRemaining));
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Save the current time as the last time.
|
||
|
|
//
|
||
|
|
|
||
|
|
LastTime = GET_COUNTER();
|
||
|
|
|
||
|
|
do {
|
||
|
|
ULONG CurrentTime = 0;
|
||
|
|
|
||
|
|
dbg(("*****"));
|
||
|
|
|
||
|
|
//
|
||
|
|
// Decrement the number of ticks remaining. Compare the current time
|
||
|
|
// to the last time and subtract that many ticks.
|
||
|
|
//
|
||
|
|
|
||
|
|
if (Timeout) {
|
||
|
|
ULONG CurrentTime;
|
||
|
|
ULONG s;
|
||
|
|
ULONG Delta;
|
||
|
|
|
||
|
|
CurrentTime = GET_COUNTER();
|
||
|
|
|
||
|
|
dbg(("%x - %x", CurrentTime, LastTime));
|
||
|
|
|
||
|
|
//
|
||
|
|
// The counter wraps at midnight. However if current time is
|
||
|
|
// less than or equal to last time we'll just ignore this
|
||
|
|
// iteration.
|
||
|
|
//
|
||
|
|
|
||
|
|
if (CurrentTime >= LastTime) {
|
||
|
|
Delta = CurrentTime - LastTime;
|
||
|
|
} else {
|
||
|
|
Delta = 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
dbg(("= %x. %x - %x = ", Delta, TicksRemaining, Delta));
|
||
|
|
|
||
|
|
TicksRemaining -= min(TicksRemaining, Delta);
|
||
|
|
|
||
|
|
LastTime = CurrentTime;
|
||
|
|
|
||
|
|
dbg(("%x. ", TicksRemaining));
|
||
|
|
|
||
|
|
//
|
||
|
|
// If there are no ticks left then terminate the loop.
|
||
|
|
//
|
||
|
|
|
||
|
|
if(TicksRemaining == 0) {
|
||
|
|
dbg(("timeout\n"));
|
||
|
|
dbgbrk();
|
||
|
|
Selection = -1;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Compute the current number of seconds remaining. If it's not
|
||
|
|
// equal to what it was before then we'll need to update the
|
||
|
|
// menu.
|
||
|
|
//
|
||
|
|
|
||
|
|
s = (TicksRemaining * 10) / 182;
|
||
|
|
|
||
|
|
dbg(("-> s %x/%x ", SecondsRemaining, s));
|
||
|
|
|
||
|
|
if(SecondsRemaining > s) {
|
||
|
|
SecondsRemaining = s;
|
||
|
|
DisplayMenu = TRUE;
|
||
|
|
dbg(("update "));
|
||
|
|
}
|
||
|
|
|
||
|
|
dbg(("\n"));
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// print the menu
|
||
|
|
//
|
||
|
|
if (DisplayMenu) {
|
||
|
|
|
||
|
|
dbg(("Printing Menu: ticks = %#08lx. Sec = %d. Last = %#08lx Current = %08lx\n",
|
||
|
|
TicksRemaining,
|
||
|
|
SecondsRemaining,
|
||
|
|
LastTime,
|
||
|
|
CurrentTime
|
||
|
|
));
|
||
|
|
|
||
|
|
for (i=0,j=1; i<MaxAdvancedBootOptions; i++) {
|
||
|
|
if (AdvancedBootOptions[i].UseEntry) {
|
||
|
|
#ifdef EFI
|
||
|
|
BlEfiPositionCursor(0, OptionStartY + j);
|
||
|
|
#else
|
||
|
|
ARC_DISPLAY_POSITION_CURSOR(0, OptionStartY + j);
|
||
|
|
#endif
|
||
|
|
if (i==Selection) {
|
||
|
|
#ifdef EFI
|
||
|
|
//BlEfiSetInverseMode( TRUE );
|
||
|
|
BlEfiSetAttribute( INVATT );
|
||
|
|
#else
|
||
|
|
ARC_DISPLAY_INVERSE_VIDEO();
|
||
|
|
#endif
|
||
|
|
} else {
|
||
|
|
#ifdef EFI
|
||
|
|
//BlEfiSetInverseMode( FALSE );
|
||
|
|
BlEfiSetAttribute( DEFATT );
|
||
|
|
#else
|
||
|
|
ARC_DISPLAY_ATTRIBUTES_OFF();
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
if (AdvancedBootOptions[i].MenuType == MENU_ITEM) {
|
||
|
|
BlPrint( TEXT(" %s"), AdvancedBootOptions[i].DisplayStr);
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef EFI
|
||
|
|
if (i == Selection) {
|
||
|
|
//BlEfiSetInverseMode( FALSE );
|
||
|
|
BlEfiSetAttribute( DEFATT );
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
ARC_DISPLAY_ATTRIBUTES_OFF();
|
||
|
|
#endif
|
||
|
|
j += 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef EFI
|
||
|
|
BlEfiPositionCursor(0, OptionStartY + NumValidEntries + 3);
|
||
|
|
#else
|
||
|
|
ARC_DISPLAY_POSITION_CURSOR(0, OptionStartY + NumValidEntries + 3);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
if(Timeout) {
|
||
|
|
BlPrint( TEXT("%s"), TimeoutMessage);
|
||
|
|
BlPrint(TEXT(" %d \n"),SecondsRemaining);
|
||
|
|
} else {
|
||
|
|
#ifdef EFI
|
||
|
|
BlEfiClearToEndOfLine();
|
||
|
|
#else
|
||
|
|
ARC_DISPLAY_CLEAR_TO_EOL();
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
DisplayMenu = FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Poll for a key.
|
||
|
|
//
|
||
|
|
Key = BlGetKey();
|
||
|
|
|
||
|
|
//
|
||
|
|
// Any input cancels the timeout.
|
||
|
|
//
|
||
|
|
|
||
|
|
if(Key) {
|
||
|
|
Timeout = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Check for selection.
|
||
|
|
//
|
||
|
|
|
||
|
|
//
|
||
|
|
// The ESCAPE_KEY does nothing if this is an auto advanced boot.
|
||
|
|
//
|
||
|
|
|
||
|
|
if ((AutoAdvancedBoot == FALSE) && (Key == ESCAPE_KEY)) {
|
||
|
|
//
|
||
|
|
// reset the selection to "nothing"
|
||
|
|
//
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( (Key==UP_ARROW) || (Key==DOWN_ARROW) || (Key==HOME_KEY) || (Key==END_KEY)) {
|
||
|
|
|
||
|
|
DisplayMenu = TRUE;
|
||
|
|
|
||
|
|
if (Key==DOWN_ARROW) {
|
||
|
|
Selection = (Selection+1) % MaxAdvancedBootOptions;
|
||
|
|
} else if (Key==UP_ARROW) {
|
||
|
|
Selection = (Selection == 0) ? (MaxAdvancedBootOptions-1) : (Selection - 1);
|
||
|
|
} else if (Key==HOME_KEY) {
|
||
|
|
Selection = 0;
|
||
|
|
} else if (Key==END_KEY) {
|
||
|
|
Selection = MaxAdvancedBootOptions-1;
|
||
|
|
//
|
||
|
|
// search for the last valid entry
|
||
|
|
//
|
||
|
|
i = Selection;
|
||
|
|
while (AdvancedBootOptions[i].UseEntry == FALSE) {
|
||
|
|
i -= 1;
|
||
|
|
}
|
||
|
|
Selection = i;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// don't let the highlight line rest on a blank line
|
||
|
|
//
|
||
|
|
|
||
|
|
while((AdvancedBootOptions[Selection].UseEntry == FALSE) ||
|
||
|
|
(AdvancedBootOptions[Selection].MenuType == MENU_BLANK_LINE)) {
|
||
|
|
|
||
|
|
if(Key == DOWN_ARROW) {
|
||
|
|
Selection = (Selection + 1) % MaxAdvancedBootOptions;
|
||
|
|
} else if (Key == UP_ARROW) {
|
||
|
|
Selection = (Selection == 0) ? (MaxAdvancedBootOptions - 1) : (Selection - 1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
} while ( ((Key&(ULONG)0xff) != ENTER_KEY) );
|
||
|
|
|
||
|
|
//
|
||
|
|
// If Return to OS Choices selected, go back to main menu
|
||
|
|
//
|
||
|
|
if ((Selection != -1) &&
|
||
|
|
(AdvancedBootOptions[Selection].MsgId == BL_MSG_OSCHOICES_MENU)) {
|
||
|
|
Selection = -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
return Selection;
|
||
|
|
}
|