/*
- * elilo.c - IA-64/IA-32 EFI Linux loader
+ * elilo.c - IA-64/IA-32/x86_64 EFI Linux loader
*
* Copyright (C) 1999-2003 Hewlett-Packard Co.
* Contributed by David Mosberger <davidm@hpl.hp.com>.
* Copyright (C) 1999-2000 VA Linux Systems
* Contributed by Johannes Erdfelt <jerdfelt@valinux.com>.
*
+ * Copyright (C) 2006-2009 Intel Corporation
+ * Contributed by Fenghua Yu <fenghua.yu@intel.com>
+ * Contributed by Bibo Mao <bibo.mao@intel.com>
+ * Contributed by Chandramouli Narayanan <mouli@linux.intel.com>
+ *
* This file is part of the ELILO, the EFI Linux boot loader.
*
* ELILO is free software; you can redistribute it and/or modify
#include "loader.h"
#include "config.h" /* for config_init() */
-#define ELILO_VERSION L"3.4"
#define ELILO_SHARED_CMDLINE_OPTS L"pPMC:aDhd:i:vVc:E"
elilo_config_t elilo_opt;
EFI_SYSTEM_TABLE *systab; /* pointer to EFI system table */
+extern INTN wait_timeout (UINTN);
+
/*
* Load the Linux kernel in memory from the boot media
* Output:
return ELILO_LOAD_RETRY;
}
- VERB_PRT(3, Print(L"kernel loaded in [0x%lx-0x%lx] entry=0x%lx\n",
- (unsigned long)kd->kstart, (unsigned long)kd->kend, (unsigned long)kd->kentry));
+ VERB_PRT(3, Print(L"kernel loaded in [" PTR_FMT "-" PTR_FMT "] entry=" PTR_FMT "\n",
+ kd->kstart, kd->kend, kd->kentry));
if (elilo_opt.initrd[0]) {
+ /* ramdisk image is moved to the top of available extended memory later by start_kernel() */
if (sysdeps_initrd_get_addr(kd, imem) == -1) goto exit_error;
switch(load_file(elilo_opt.initrd, imem)) {
EFI_STATUS status = EFI_SUCCESS;
kdesc_t kd;
memdesc_t imem, mmem;
- INTN r;
+ INTN r, retries=0;
/*
* First place where we potentially do system dependent
VERB_PRT(3, Print(L"final cmdline(%d): %s\n", r, cmdline));
+ /* Give user time to see the output before launch */
+ if (elilo_opt.debug || elilo_opt.verbose) {
+ r = wait_timeout(150);
+ /* have to turn off all console output(except error output) now before final get_mmemap()
+ * call or it can cause the efi map key to change and the ExitBootSvc call to fail,
+ * forcing debug and verbose options off is the surest way to enforce this.
+ */
+ elilo_opt.debug=0;
+ elilo_opt.verbose=0;
+ }
+
/* free resources associated with file accesses (before ExitBootServices) */
close_devices();
/* No console output permitted after create_boot_params()! */
if ((bp=create_boot_params(cmdline, &imem, &mmem, &cookie)) == 0) goto error;
- /* terminate bootservices */
- status = BS->ExitBootServices(image, cookie);
- if (EFI_ERROR(status)) goto bad_exit;
+ /* terminate bootservices
+ * efi ExitBootSvcs spec: *note, get_memmap is called by create_boot_params()
+ * An EFI OS loader must ensure that it has the system's current memory map at the time
+ * it calls ExitBootServices(). This is done by passing in the current memory map's
+ * MapKey value as returned by GetMemoryMap(). Care must be taken to ensure that the
+ * memory map does not change between these two calls. It is suggested that
+ * GetMemoryMap()be called immediately before calling ExitBootServices(). */
+
+retry:
+ status = uefi_call_wrapper(BS->ExitBootServices, 2, image, cookie);
+ if (EFI_ERROR(status))
+ {
+ ERR_PRT((L"\nExitBootSvcs: failed, memory map has changed.\n"));
+ if (retries < 2)
+ {
+ ERR_PRT((L"Main_Loop: Retrying,... have to rebuild boot params"));
+ retries++;
+ free_boot_params(bp);
+ if ((bp=create_boot_params(cmdline, &imem, &mmem, &cookie)) == 0) goto error;
+ goto retry;
+ } else {
+ ERR_PRT((L"\nMain_Loop: tried ExitBootSvcs 3 times... retries exceeded.... giving up\n"));
+ goto bad_exit;
+ }
+ }
+
start_kernel(kd.kentry, bp);
/* NOT REACHED */
error:
free_kmem();
if (imem.start_addr) free(imem.start_addr);
+ if (mmem.start_addr) free(mmem.start_addr);
if (bp) free_boot_params(bp);
exit_error:
return ELILO_LOAD_ERROR;
#define FAKE_ELILONAME L"elilo-forced"
- status = BS->HandleProtocol (info->DeviceHandle, &PxeBaseCodeProtocol, (VOID **)&pxe);
+ status = uefi_call_wrapper(BS->HandleProtocol, 3, info->DeviceHandle, &PxeBaseCodeProtocol, (VOID **)&pxe);
if (EFI_ERROR(status)) return;
default_load_options = info->LoadOptions;
UINT8 bool = FALSE;
INTN ret = -1;
- status = RT->GetVariable(L"EDD30", &edd30_guid, NULL, &l, &bool);
+ status = uefi_call_wrapper(RT->GetVariable, 5, L"EDD30", &edd30_guid, NULL, &l, &bool);
if (status == EFI_BUFFER_TOO_SMALL || (bool != TRUE && bool != FALSE)) {
ERR_PRT((L"Warning: EDD30 EFI variable is not boolean value: forcing it to TRUE"));
return -1;
UINT8 bool;
bool = TRUE;
- status = RT->SetVariable(L"EDD30", &edd30_guid, EDD30_ATTR, l, &bool);
+ status = uefi_call_wrapper(RT->SetVariable, 5, L"EDD30", &edd30_guid, EDD30_ATTR, l, &bool);
if (EFI_ERROR(status)) {
ERR_PRT((L"can't set EDD30 variable: ignoring it"));
return -1;
* mode.
* XXX: clean this up !
*/
- BS->SetWatchdogTimer(0, 0x0, 0, NULL);
+ uefi_call_wrapper(BS->SetWatchdogTimer, 4, 0, 0x0, 0, NULL);
/* initialize memory allocator */
if (alloc_init() == -1) return EFI_LOAD_ERROR;
- status = BS->HandleProtocol(image, &LoadedImageProtocol, (VOID **) &info);
+ status = uefi_call_wrapper(BS->HandleProtocol, 3, image, &LoadedImageProtocol, (VOID **) &info);
if (EFI_ERROR(status)) {
ERR_PRT((L"image handle does not support LOADED_IMAGE protocol"));
return EFI_LOAD_ERROR;
}
- VERB_PRT(5,Print(L"Loaded at 0x%lx size=%d bytes code=%d data=%d\n", info->ImageBase, info->ImageSize, info->ImageCodeType, info->ImageDataType));
-
+ VERB_PRT(5,Print(L"Loaded at " PTR_FMT " size=%ld bytes code=%d data=%d\n", info->ImageBase, info->ImageSize, info->ImageCodeType, info->ImageDataType));
/*
* verify EDD3.0 status. Users may have to reboot
*/
goto do_exit;
}
}
- DBG_PRT((L"Optind=%d optarg=%x argc=%d", Optind, Optarg, argc));
+ DBG_PRT((L"Optind=%d optarg=" PTR_FMT " argc=%d", Optind, Optarg, argc));
/*
* we can't defer this phase any longer...