From 426337455e06c2d05c40f48e488b95a12e4aa056 Mon Sep 17 00:00:00 2001 From: York Sun Date: Mon, 6 Mar 2017 09:02:27 -0800 Subject: [PATCH] efi: Add a hook to allow adding memory mapping Instead of adding all memory banks, add a hook so individual SoC/board can has its own implementation. Signed-off-by: York Sun CC: Alexander Graf Reviewed-by: Alexander Graf --- lib/efi_loader/efi_memory.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/lib/efi_loader/efi_memory.c b/lib/efi_loader/efi_memory.c index 95aa590c8a..db2ae19f59 100644 --- a/lib/efi_loader/efi_memory.c +++ b/lib/efi_loader/efi_memory.c @@ -431,11 +431,8 @@ efi_status_t efi_get_memory_map(unsigned long *memory_map_size, return EFI_SUCCESS; } -int efi_memory_init(void) +__weak void efi_add_known_memory(void) { - unsigned long runtime_start, runtime_end, runtime_pages; - unsigned long uboot_start, uboot_pages; - unsigned long uboot_stack_size = 16 * 1024 * 1024; int i; /* Add RAM */ @@ -448,6 +445,15 @@ int efi_memory_init(void) efi_add_memory_map(start, pages, EFI_CONVENTIONAL_MEMORY, false); } +} + +int efi_memory_init(void) +{ + unsigned long runtime_start, runtime_end, runtime_pages; + unsigned long uboot_start, uboot_pages; + unsigned long uboot_stack_size = 16 * 1024 * 1024; + + efi_add_known_memory(); /* Add U-Boot */ uboot_start = (gd->start_addr_sp - uboot_stack_size) & ~EFI_PAGE_MASK; -- 2.39.2