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-rw-r--r--lib/efi/efi.c208
1 files changed, 0 insertions, 208 deletions
diff --git a/lib/efi/efi.c b/lib/efi/efi.c
deleted file mode 100644
index bcb34d67465..00000000000
--- a/lib/efi/efi.c
+++ /dev/null
@@ -1,208 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Functions shared by the app and stub
- *
- * Copyright (c) 2015 Google, Inc
- *
- * EFI information obtained here:
- * http://wiki.phoenix.com/wiki/index.php/EFI_BOOT_SERVICES
- *
- * Common EFI functions
- */
-
-#include <debug_uart.h>
-#include <errno.h>
-#include <malloc.h>
-#include <linux/err.h>
-#include <linux/types.h>
-#include <efi.h>
-#include <efi_api.h>
-
-static struct efi_priv *global_priv;
-
-struct efi_priv *efi_get_priv(void)
-{
- return global_priv;
-}
-
-void efi_set_priv(struct efi_priv *priv)
-{
- global_priv = priv;
-}
-
-struct efi_system_table *efi_get_sys_table(void)
-{
- return global_priv->sys_table;
-}
-
-struct efi_boot_services *efi_get_boot(void)
-{
- return global_priv->boot;
-}
-
-unsigned long efi_get_ram_base(void)
-{
- return global_priv->ram_base;
-}
-
-/*
- * Global declaration of gd.
- *
- * As we write to it before relocation we have to make sure it is not put into
- * a .bss section which may overlap a .rela section. Initialization forces it
- * into a .data section which cannot overlap any .rela section.
- */
-struct global_data *global_data_ptr = (struct global_data *)~0;
-
-/*
- * Unfortunately we cannot access any code outside what is built especially
- * for the stub. lib/string.c is already being built for the U-Boot payload
- * so it uses the wrong compiler flags. Add our own memset() here.
- */
-static void efi_memset(void *ptr, int ch, int size)
-{
- char *dest = ptr;
-
- while (size-- > 0)
- *dest++ = ch;
-}
-
-/*
- * Since the EFI stub cannot access most of the U-Boot code, add our own
- * simple console output functions here. The EFI app will not use these since
- * it can use the normal console.
- */
-void efi_putc(struct efi_priv *priv, const char ch)
-{
- struct efi_simple_text_output_protocol *con = priv->sys_table->con_out;
- uint16_t ucode[2];
-
- ucode[0] = ch;
- ucode[1] = '\0';
- con->output_string(con, ucode);
-}
-
-void efi_puts(struct efi_priv *priv, const char *str)
-{
- while (*str)
- efi_putc(priv, *str++);
-}
-
-int efi_init(struct efi_priv *priv, const char *banner, efi_handle_t image,
- struct efi_system_table *sys_table)
-{
- efi_guid_t loaded_image_guid = EFI_LOADED_IMAGE_PROTOCOL_GUID;
- struct efi_boot_services *boot = sys_table->boottime;
- struct efi_loaded_image *loaded_image;
- int ret;
-
- efi_memset(priv, '\0', sizeof(*priv));
- priv->sys_table = sys_table;
- priv->boot = sys_table->boottime;
- priv->parent_image = image;
- priv->run = sys_table->runtime;
-
- efi_puts(priv, "U-Boot EFI ");
- efi_puts(priv, banner);
- efi_putc(priv, ' ');
-
- ret = boot->open_protocol(priv->parent_image, &loaded_image_guid,
- (void **)&loaded_image, priv->parent_image,
- NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
- if (ret) {
- efi_puts(priv, "Failed to get loaded image protocol\n");
- return ret;
- }
- priv->image_data_type = loaded_image->image_data_type;
-
- return 0;
-}
-
-void *efi_malloc(struct efi_priv *priv, int size, efi_status_t *retp)
-{
- struct efi_boot_services *boot = priv->boot;
- void *buf = NULL;
-
- *retp = boot->allocate_pool(priv->image_data_type, size, &buf);
-
- return buf;
-}
-
-void efi_free(struct efi_priv *priv, void *ptr)
-{
- struct efi_boot_services *boot = priv->boot;
-
- boot->free_pool(ptr);
-}
-
-int efi_store_memory_map(struct efi_priv *priv)
-{
- struct efi_boot_services *boot = priv->sys_table->boottime;
- efi_uintn_t size, desc_size;
- efi_status_t ret;
-
- /* Get the memory map so we can switch off EFI */
- size = 0;
- ret = boot->get_memory_map(&size, NULL, &priv->memmap_key,
- &priv->memmap_desc_size,
- &priv->memmap_version);
- if (ret != EFI_BUFFER_TOO_SMALL) {
- /*
- * Note this function avoids using printf() since it is not
- * available in the stub
- */
- printhex2(EFI_BITS_PER_LONG);
- putc(' ');
- printhex2(ret);
- puts(" No memory map\n");
- return ret;
- }
- /*
- * Since doing a malloc() may change the memory map and also we want to
- * be able to read the memory map in efi_call_exit_boot_services()
- * below, after more changes have happened
- */
- priv->memmap_alloc = size + 1024;
- priv->memmap_size = priv->memmap_alloc;
- priv->memmap_desc = efi_malloc(priv, size, &ret);
- if (!priv->memmap_desc) {
- printhex2(ret);
- puts(" No memory for memory descriptor\n");
- return ret;
- }
-
- ret = boot->get_memory_map(&priv->memmap_size, priv->memmap_desc,
- &priv->memmap_key, &desc_size,
- &priv->memmap_version);
- if (ret) {
- printhex2(ret);
- puts(" Can't get memory map\n");
- return ret;
- }
-
- return 0;
-}
-
-int efi_call_exit_boot_services(void)
-{
- struct efi_priv *priv = efi_get_priv();
- const struct efi_boot_services *boot = priv->boot;
- efi_uintn_t size;
- u32 version;
- efi_status_t ret;
-
- size = priv->memmap_alloc;
- ret = boot->get_memory_map(&size, priv->memmap_desc,
- &priv->memmap_key,
- &priv->memmap_desc_size, &version);
- if (ret) {
- printhex2(ret);
- puts(" Can't get memory map\n");
- return ret;
- }
- ret = boot->exit_boot_services(priv->parent_image, priv->memmap_key);
- if (ret)
- return ret;
-
- return 0;
-}