8838ac368e
When we exit grub, we don't free all the memory that we allocated earlier for our heap region. This can cause problems with setups where you try to descend the boot order using "exit" entries, such as PXE -> HD boot scenarios. Signed-off-by: Alexander Graf <agraf@suse.de> Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
84 lines
2.1 KiB
C
84 lines
2.1 KiB
C
/* init.c - generic EFI initialization and finalization */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2006,2007 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <grub/efi/efi.h>
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#include <grub/efi/console.h>
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#include <grub/efi/disk.h>
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#include <grub/term.h>
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#include <grub/misc.h>
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#include <grub/env.h>
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#include <grub/mm.h>
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#include <grub/kernel.h>
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grub_addr_t grub_modbase;
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void
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grub_efi_init (void)
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{
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grub_modbase = grub_efi_modules_addr ();
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/* First of all, initialize the console so that GRUB can display
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messages. */
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grub_console_init ();
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/* Initialize the memory management system. */
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grub_efi_mm_init ();
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efi_call_4 (grub_efi_system_table->boot_services->set_watchdog_timer,
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0, 0, 0, NULL);
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grub_efidisk_init ();
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}
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void (*grub_efi_net_config) (grub_efi_handle_t hnd,
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char **device,
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char **path);
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void
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grub_machine_get_bootlocation (char **device, char **path)
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{
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grub_efi_loaded_image_t *image = NULL;
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char *p;
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image = grub_efi_get_loaded_image (grub_efi_image_handle);
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if (!image)
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return;
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*device = grub_efidisk_get_device_name (image->device_handle);
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if (!*device && grub_efi_net_config)
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{
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grub_efi_net_config (image->device_handle, device, path);
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return;
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}
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*path = grub_efi_get_filename (image->file_path);
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if (*path)
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{
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/* Get the directory. */
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p = grub_strrchr (*path, '/');
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if (p)
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*p = '\0';
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}
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}
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void
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grub_efi_fini (void)
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{
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grub_efidisk_fini ();
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grub_console_fini ();
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grub_efi_memory_fini ();
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}
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