From a68c9ac5d8afc51c619c5d3e865fcf147bea90cb Mon Sep 17 00:00:00 2001
From: Sughosh Ganu <sughosh.ganu@linaro.org>
Date: Tue, 15 Oct 2024 21:07:08 +0530
Subject: [PATCH] efi_memory: do not add U-Boot memory to the memory map
The memory region occupied by U-Boot is reserved by LMB, and gets
added to the EFI memory map through a call from the LMB module. Remove
this superfluous addition to the EFI memory map.
Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
---
lib/efi_loader/efi_memory.c | 10 ----------
1 file changed, 10 deletions(-)
diff --git a/lib/efi_loader/efi_memory.c b/lib/efi_loader/efi_memory.c
index 41501e9d41..16e64987af 100644
--- a/lib/efi_loader/efi_memory.c
+++ b/lib/efi_loader/efi_memory.c
@@ -870,16 +870,6 @@ static void add_u_boot_and_runtime(void)
{
unsigned long runtime_start, runtime_end, runtime_pages;
unsigned long runtime_mask = EFI_PAGE_MASK;
- unsigned long uboot_start, uboot_pages;
- unsigned long uboot_stack_size = CONFIG_STACK_SIZE;
-
- /* Add U-Boot */
- uboot_start = ((uintptr_t)map_sysmem(gd->start_addr_sp, 0) -
- uboot_stack_size) & ~EFI_PAGE_MASK;
- uboot_pages = ((uintptr_t)map_sysmem(gd->ram_top - 1, 0) -
- uboot_start + EFI_PAGE_MASK) >> EFI_PAGE_SHIFT;
- efi_add_memory_map_pg(uboot_start, uboot_pages, EFI_BOOT_SERVICES_CODE,
- false);
#if defined(__aarch64__)
/*
--
2.39.5