#include <common.h>
#include <command.h>
-#include <dm/device.h>
+#include <dm.h>
#include <efi_loader.h>
#include <errno.h>
#include <libfdt.h>
#include <libfdt_env.h>
#include <memalign.h>
#include <asm/global_data.h>
+#include <asm-generic/sections.h>
+#include <linux/linkage.h>
DECLARE_GLOBAL_DATA_PTR;
+static uint8_t efi_obj_list_initalized;
+
/*
* When booting using the "bootefi" command, we don't know which
* physical device the file came from. So we create a pseudo-device
}
};
-static efi_status_t bootefi_open_dp(void *handle, efi_guid_t *protocol,
- void **protocol_interface, void *agent_handle,
- void *controller_handle, uint32_t attributes)
-{
- *protocol_interface = bootefi_device_path;
- return EFI_SUCCESS;
-}
-
/* The EFI loaded_image interface for the image executed via "bootefi" */
static struct efi_loaded_image loaded_image_info = {
.device_handle = bootefi_device_path,
* return handle which points to loaded_image_info
*/
.guid = &efi_guid_loaded_image,
- .open = &efi_return_handle,
+ .protocol_interface = &loaded_image_info,
},
{
/*
* bootefi_device_path
*/
.guid = &efi_guid_device_path,
- .open = &bootefi_open_dp,
+ .protocol_interface = bootefi_device_path,
+ },
+ {
+ .guid = &efi_guid_console_control,
+ .protocol_interface = (void *) &efi_console_control
+ },
+ {
+ .guid = &efi_guid_device_path_to_text_protocol,
+ .protocol_interface = (void *) &efi_device_path_to_text
},
},
};
/* When asking for the device path interface, return
* bootefi_device_path */
.guid = &efi_guid_device_path,
- .open = &bootefi_open_dp,
+ .protocol_interface = bootefi_device_path
}
},
};
+/* 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)
{
u64 fdt_size = fdt_totalsize(fdt);
}
/* Give us at least 4kb breathing room */
- fdt_size = ALIGN(fdt_size + 4096, 4096);
+ fdt_size = ALIGN(fdt_size + 4096, EFI_PAGE_SIZE);
fdt_pages = fdt_size >> EFI_PAGE_SHIFT;
/* Safe fdt location is at 128MB */
if (efi_allocate_pages(1, EFI_BOOT_SERVICES_DATA, fdt_pages,
&new_fdt_addr) != EFI_SUCCESS) {
/* If we can't put it there, put it somewhere */
- new_fdt_addr = (ulong)memalign(4096, fdt_size);
+ new_fdt_addr = (ulong)memalign(EFI_PAGE_SIZE, fdt_size);
+ if (efi_allocate_pages(1, EFI_BOOT_SERVICES_DATA, fdt_pages,
+ &new_fdt_addr) != EFI_SUCCESS) {
+ printf("ERROR: Failed to reserve space for FDT\n");
+ return NULL;
+ }
}
+
new_fdt = (void*)(ulong)new_fdt_addr;
memcpy(new_fdt, fdt, fdt_totalsize(fdt));
fdt_set_totalsize(new_fdt, fdt_size);
return new_fdt;
}
+static ulong efi_do_enter(void *image_handle,
+ struct efi_system_table *st,
+ asmlinkage ulong (*entry)(void *image_handle,
+ struct efi_system_table *st))
+{
+ efi_status_t ret = EFI_LOAD_ERROR;
+
+ if (entry)
+ ret = entry(image_handle, st);
+ st->boottime->exit(image_handle, ret, 0, NULL);
+ return ret;
+}
+
+#ifdef CONFIG_ARM64
+static unsigned long efi_run_in_el2(asmlinkage ulong (*entry)(
+ void *image_handle, struct efi_system_table *st),
+ void *image_handle, struct efi_system_table *st)
+{
+ /* Enable caches again */
+ dcache_enable();
+
+ return efi_do_enter(image_handle, st, entry);
+}
+#endif
+
/*
* Load an EFI payload into a newly allocated piece of memory, register all
* EFI objects it would want to access and jump to it.
*/
static unsigned long do_bootefi_exec(void *efi, void *fdt)
{
- ulong (*entry)(void *image_handle, struct efi_system_table *st);
+ ulong (*entry)(void *image_handle, struct efi_system_table *st)
+ asmlinkage;
ulong fdt_pages, fdt_size, fdt_start, fdt_end;
+ const efi_guid_t fdt_guid = EFI_FDT_GUID;
bootm_headers_t img = { 0 };
/*
}
/* Link to it in the efi tables */
- systab.tables[0].guid = EFI_FDT_GUID;
- systab.tables[0].table = fdt;
- systab.nr_tables = 1;
+ efi_install_configuration_table(&fdt_guid, fdt);
/* And reserve the space in the memory map */
fdt_start = ((ulong)fdt) & ~EFI_PAGE_MASK;
EFI_BOOT_SERVICES_DATA, true);
} else {
printf("WARNING: Invalid device tree, expect boot to fail\n");
- systab.nr_tables = 0;
+ efi_install_configuration_table(&fdt_guid, NULL);
}
/* Load the EFI payload */
return -ENOENT;
/* Initialize and populate EFI object list */
- INIT_LIST_HEAD(&efi_obj_list);
- list_add_tail(&loaded_image_info_obj.link, &efi_obj_list);
- list_add_tail(&bootefi_device_obj.link, &efi_obj_list);
-#ifdef CONFIG_PARTITIONS
- efi_disk_register();
-#endif
-#ifdef CONFIG_LCD
- 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;
-#endif
+ if (!efi_obj_list_initalized)
+ efi_init_obj_list();
/* Call our payload! */
debug("%s:%d Jumping to 0x%lx\n", __func__, __LINE__, (long)entry);
if (setjmp(&loaded_image_info.exit_jmp)) {
- efi_status_t status = loaded_image_info.exit_status;
- return status == EFI_SUCCESS ? 0 : -EINVAL;
+ return loaded_image_info.exit_status;
+ }
+
+#ifdef CONFIG_ARM64
+ /* On AArch64 we need to make sure we call our payload in < EL3 */
+ if (current_el() == 3) {
+ smp_kick_all_cpus();
+ dcache_disable(); /* flush cache before switch to EL2 */
+
+ /* Move into EL2 and keep running there */
+ armv8_switch_to_el2((ulong)entry, (ulong)&loaded_image_info,
+ (ulong)&systab, 0, (ulong)efi_run_in_el2,
+ ES_TO_AARCH64);
+
+ /* Should never reach here, efi exits with longjmp */
+ while (1) { }
}
+#endif
- return entry(&loaded_image_info, &systab);
+ return efi_do_enter(&loaded_image_info, &systab, entry);
}
{
char *saddr, *sfdt;
unsigned long addr, fdt_addr = 0;
- int r = 0;
+ unsigned long r;
if (argc < 2)
return CMD_RET_USAGE;
- saddr = argv[1];
+#ifdef CONFIG_CMD_BOOTEFI_HELLO
+ if (!strcmp(argv[1], "hello")) {
+ ulong size = __efi_hello_world_end - __efi_hello_world_begin;
+
+ addr = CONFIG_SYS_LOAD_ADDR;
+ memcpy((char *)addr, __efi_hello_world_begin, size);
+ } else
+#endif
+ {
+ saddr = argv[1];
- addr = simple_strtoul(saddr, NULL, 16);
+ addr = simple_strtoul(saddr, NULL, 16);
- if (argc > 2) {
- sfdt = argv[2];
- fdt_addr = simple_strtoul(sfdt, NULL, 16);
+ if (argc > 2) {
+ sfdt = argv[2];
+ fdt_addr = simple_strtoul(sfdt, NULL, 16);
+ }
}
- printf("## Starting EFI application at 0x%08lx ...\n", addr);
+ printf("## Starting EFI application at %08lx ...\n", addr);
r = do_bootefi_exec((void *)addr, (void*)fdt_addr);
- printf("## Application terminated, r = %d\n", r);
+ printf("## Application terminated, r = %lu\n",
+ r & ~EFI_ERROR_MASK);
- if (r != 0)
- r = 1;
-
- return r;
+ if (r != EFI_SUCCESS)
+ return 1;
+ else
+ return 0;
}
#ifdef CONFIG_SYS_LONGHELP
"<image address> [fdt address]\n"
" - boot EFI payload stored at address <image address>.\n"
" If specified, the device tree located at <fdt address> gets\n"
- " exposed as EFI configuration table.\n";
+ " exposed as EFI configuration table.\n"
+#ifdef CONFIG_CMD_BOOTEFI_HELLO
+ "hello\n"
+ " - boot a sample Hello World application stored within U-Boot"
+#endif
+ ;
#endif
U_BOOT_CMD(
{
__maybe_unused struct blk_desc *desc;
char devname[32] = { 0 }; /* dp->str is u16[32] long */
- char *colon;
+ char *colon, *s;
-#if defined(CONFIG_BLK) || defined(CONFIG_ISO_PARTITION)
+#if defined(CONFIG_BLK) || CONFIG_IS_ENABLED(ISO_PARTITION)
desc = blk_get_dev(dev, simple_strtol(devnr, NULL, 10));
#endif
colon = strchr(devname, ':');
-#ifdef CONFIG_ISO_PARTITION
+#if CONFIG_IS_ENABLED(ISO_PARTITION)
/* For ISOs we create partition block devices */
if (desc && (desc->type != DEV_TYPE_UNKNOWN) &&
(desc->part_type == PART_TYPE_ISO)) {
} else {
snprintf(devname, sizeof(devname), "%s", path);
}
+ /* DOS style file path: */
+ s = devname;
+ while ((s = strchr(s, '/')))
+ *s++ = '\\';
ascii2unicode(bootefi_image_path[0].str, devname);
}