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efi_loader: initalize EFI object list only once

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If several EFI applications are executed in sequence we want
to keep the content of the EFI object list.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Heinrich Schuchardt 2017-07-19 19:37:22 +02:00 • committed by Alexander Graf
parent ff925938c8
commit 7cbc12415d
1 changed files with 36 additions and 26 deletions

62
cmd/bootefi.c
View file

@ -20,6 +20,8 @@
DECLARE_GLOBAL_DATA_PTR; DECLARE_GLOBAL_DATA_PTR;
static uint8_t efi_obj_list_initalized;
/* /*
* When booting using the "bootefi" command, we don't know which * When booting using the "bootefi" command, we don't know which
* physical device the file came from. So we create a pseudo-device * physical device the file came from. So we create a pseudo-device
@ -104,6 +106,38 @@ static struct efi_object bootefi_device_obj = {
}, },
}; };
/* Initialize and populate EFI object list */
static void efi_init_obj_list(void)
{
efi_obj_list_initalized = 1;
list_add_tail(&loaded_image_info_obj.link, &efi_obj_list);
list_add_tail(&bootefi_device_obj.link, &efi_obj_list);
efi_console_register();
#ifdef CONFIG_PARTITIONS
efi_disk_register();
#endif
#if defined(CONFIG_LCD) || defined(CONFIG_DM_VIDEO)
efi_gop_register();
#endif
#ifdef CONFIG_NET
void *nethandle = loaded_image_info.device_handle;
efi_net_register(&nethandle);
if (!memcmp(bootefi_device_path[0].str, "N\0e\0t", 6))
loaded_image_info.device_handle = nethandle;
else
loaded_image_info.device_handle = bootefi_device_path;
#endif
#ifdef CONFIG_GENERATE_SMBIOS_TABLE
efi_smbios_register();
#endif
/* Initialize EFI runtime services */
efi_reset_system_init();
efi_get_time_init();
}
static void *copy_fdt(void *fdt) static void *copy_fdt(void *fdt)
{ {
u64 fdt_size = fdt_totalsize(fdt); u64 fdt_size = fdt_totalsize(fdt);
@ -223,32 +257,8 @@ static unsigned long do_bootefi_exec(void *efi, void *fdt)
return -ENOENT; return -ENOENT;
/* Initialize and populate EFI object list */ /* Initialize and populate EFI object list */
INIT_LIST_HEAD(&efi_obj_list); if (!efi_obj_list_initalized)
list_add_tail(&loaded_image_info_obj.link, &efi_obj_list); efi_init_obj_list();
list_add_tail(&bootefi_device_obj.link, &efi_obj_list);
efi_console_register();
#ifdef CONFIG_PARTITIONS
efi_disk_register();
#endif
#if defined(CONFIG_LCD) || defined(CONFIG_DM_VIDEO)
efi_gop_register();
#endif
#ifdef CONFIG_NET
void *nethandle = loaded_image_info.device_handle;
efi_net_register(&nethandle);
if (!memcmp(bootefi_device_path[0].str, "N\0e\0t", 6))
loaded_image_info.device_handle = nethandle;
else
loaded_image_info.device_handle = bootefi_device_path;
#endif
#ifdef CONFIG_GENERATE_SMBIOS_TABLE
efi_smbios_register();
#endif
/* Initialize EFI runtime services */
efi_reset_system_init();
efi_get_time_init();
/* Call our payload! */ /* Call our payload! */
debug("%s:%d Jumping to 0x%lx\n", __func__, __LINE__, (long)entry); debug("%s:%d Jumping to 0x%lx\n", __func__, __LINE__, (long)entry);