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* grub-core/Makefile.core.def (efifwsetup): New module.

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* grub-core/commands/efi/efifwsetup.c: New file.
	* grub-core/kern/efi/efi.c (grub_efi_set_variable): New function
	* include/grub/efi/api.h (GRUB_EFI_OS_INDICATIONS_BOOT_TO_FW_UI):
	New define.
	* include/grub/efi/efi.h (grub_efi_set_variable): New proto.
This commit is contained in:
Peter Jones 2012-09-08 09:40:24 +02:00 • committed by Vladimir 'phcoder' Serbinenko
parent 8e832f715b
commit c5052c81ab
6 changed files with 142 additions and 0 deletions
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30
grub-core/kern/efi/efi.c
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@ -181,6 +181,36 @@ grub_efi_set_virtual_address_map (grub_efi_uintn_t memory_map_size,
return grub_error (GRUB_ERR_IO, "set_virtual_address_map failed");
}
grub_err_t
grub_efi_set_variable(const char *var, const grub_efi_guid_t *guid,
void *data, grub_size_t datasize)
{
grub_efi_status_t status;
grub_efi_runtime_services_t *r;
grub_efi_char16_t *var16;
grub_size_t len, len16;
len = grub_strlen (var);
len16 = len * GRUB_MAX_UTF16_PER_UTF8;
var16 = grub_malloc ((len16 + 1) * sizeof (var16[0]));
if (!var16)
return grub_errno;
len16 = grub_utf8_to_utf16 (var16, len16, (grub_uint8_t *) var, len, NULL);
var16[len16] = 0;
r = grub_efi_system_table->runtime_services;
status = efi_call_5 (r->set_variable, var16, guid,
(GRUB_EFI_VARIABLE_NON_VOLATILE
| GRUB_EFI_VARIABLE_BOOTSERVICE_ACCESS
| GRUB_EFI_VARIABLE_RUNTIME_ACCESS),
datasize, data);
if (status == GRUB_EFI_SUCCESS)
return GRUB_ERR_NONE;
return grub_error (GRUB_ERR_IO, "could not set EFI variable `%s'", var);
}
void *
grub_efi_get_variable (const char *var, const grub_efi_guid_t *guid,
grub_size_t *datasize_out)