bf3a385792
* grub-core/commands/i386/pc/sendkey.c (keysym): Add missing const. * grub-core/commands/lspci.c (grub_pci_classname): Likewise. * grub-core/commands/menuentry.c (hotkey_aliases): Likewise. * grub-core/disk/lvm.c (grub_lvm_getvalue): Likewise. (grub_lvm_check_flag): Likewise. * grub-core/efiemu/i386/coredetect.c (grub_efiemu_get_default_core_name): Likewise * grub-core/efiemu/main.c (grub_efiemu_autocore): Likewise. * grub-core/fs/hfsplus.c (grub_hfsplus_catkey_internal): Likewise. * grub-core/fs/ntfs.c (fixup): Likewise. * grub-core/fs/xfs.c (grub_xfs_iterate_dir): Likewise. * grub-core/fs/zfs/zfs.c (decomp_entry): Likewise. (fzap_lookup): Likewise. (zap_lookup): Likewise. * grub-core/gnulib/regcomp.c (init_dfa): Likewise. * grub-core/lib/legacy_parse.c (check_option): Likewise. * grub-core/lib/posix_wrap/langinfo.h (nl_langinfo): Likewise. * grub-core/loader/i386/bsd.c (grub_bsd_add_meta): Likewise. (grub_freebsd_add_meta_module): Likewise. (grub_cmd_freebsd_module): Likewise. * grub-core/loader/i386/xnu.c (tbl_alias): Likewise. * grub-core/loader/xnu.c (grub_xnu_register_memory): Likewise. (grub_xnu_writetree_get_size): Likewise. (grub_xnu_writetree_toheap_real): Likewise. (grub_xnu_find_key): Likewise. (grub_xnu_create_key): Likewise. (grub_xnu_create_value): Likewise. (grub_xnu_register_memory): Likewise. (grub_xnu_check_os_bundle_required): Likewise. (grub_xnu_scan_dir_for_kexts): Likewise. (grub_xnu_load_kext_from_dir): Likewise. * grub-core/normal/color.c (color_list): Likewise. * grub-core/normal/completion.c (current_word): Likewise. * grub-core/normal/menu_entry.c (insert_string): Likewise. * grub-core/term/serial.c (grub_serial_find): Likewise. * grub-core/term/tparm.c (grub_terminfo_tparm): Likewise. * include/grub/efiemu/efiemu.h (grub_efiemu_get_default_core_name): Likewise. * include/grub/i386/bsd.h (grub_bsd_add_meta): Likewise. (grub_freebsd_add_meta_module): Likewise. * include/grub/lib/arg.h (grub_arg_option): Likewise. * include/grub/net.h (grub_net_card_driver): Likewise. (grub_net_card): Likewise. (grub_net_app_protocol): Likewise. * include/grub/parttool.h (grub_parttool_argdesc): Likewise. * include/grub/serial.h (grub_serial_find): Likewise. * include/grub/tparm.h (grub_terminfo_tparm): Likewise. * include/grub/xnu.h (grub_xnu_create_key): Likewise. (grub_xnu_create_value): Likewise. (grub_xnu_find_key): Likewise. (grub_xnu_scan_dir_for_kexts): Likewise. (grub_xnu_load_kext_from_dir): Likewise. * include/grub/zfs/zio_checksum.h (zio_checksum_t): Moved from here ... * grub-core/fs/zfs/zfs.c (zio_checksum_t): ...here. * include/grub/zfs/zio_checksum.h (zio_checksum_info): Moved from here ... * grub-core/fs/zfs/zfs.c (zio_checksum_info): ... here. Added missing const.
59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2009 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/efiemu/efiemu.h>
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#include <grub/command.h>
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#define cpuid(num,a,b,c,d) \
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asm volatile ("xchgl %%ebx, %1; cpuid; xchgl %%ebx, %1" \
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: "=a" (a), "=r" (b), "=c" (c), "=d" (d) \
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: "0" (num))
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#define bit_LM (1 << 29)
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const char *
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grub_efiemu_get_default_core_name (void)
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{
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unsigned int eax, ebx, ecx, edx;
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unsigned int max_level;
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unsigned int ext_level;
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/* See if we can use cpuid. */
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asm volatile ("pushfl; pushfl; popl %0; movl %0,%1; xorl %2,%0;"
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"pushl %0; popfl; pushfl; popl %0; popfl"
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: "=&r" (eax), "=&r" (ebx)
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: "i" (0x00200000));
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if (((eax ^ ebx) & 0x00200000) == 0)
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return "efiemu32.o";
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/* Check the highest input value for eax. */
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cpuid (0, eax, ebx, ecx, edx);
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/* We only look at the first four characters. */
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max_level = eax;
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if (max_level == 0)
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return "efiemu32.o";
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cpuid (0x80000000, eax, ebx, ecx, edx);
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ext_level = eax;
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if (ext_level < 0x80000000)
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return "efiemu32.o";
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cpuid (0x80000001, eax, ebx, ecx, edx);
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return (edx & bit_LM) ? "efiemu64.o" : "efiemu32.o";
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}
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