From 0b386537a51d5ac6e2da022ade49424ecc50ffa1 Mon Sep 17 00:00:00 2001 From: Heinrich Schuchardt Date: Thu, 28 Jun 2018 12:45:30 +0200 Subject: [PATCH] efi_loader: provide firmware revision Provide a firmware revision in the system table using the Makefile variables VERSION and PATCHLEVEL, e.g. 0x20180700 for v2018.07. Correct the type of the firmware vendor. It is a u16* pointer. Signed-off-by: Heinrich Schuchardt Reviewed-by: Bin Meng Signed-off-by: Alexander Graf --- include/efi_api.h | 2 +- lib/efi_loader/Makefile | 3 +++ lib/efi_loader/efi_boottime.c | 5 +++-- 3 files changed, 7 insertions(+), 3 deletions(-) diff --git a/include/efi_api.h b/include/efi_api.h index 3a9da32..c98cc34 100644 --- a/include/efi_api.h +++ b/include/efi_api.h @@ -303,7 +303,7 @@ struct efi_configuration_table struct efi_system_table { struct efi_table_hdr hdr; - unsigned long fw_vendor; /* physical addr of wchar_t vendor string */ + u16 *fw_vendor; /* physical addr of wchar_t vendor string */ u32 fw_revision; efi_handle_t con_in_handle; struct efi_simple_input_interface *con_in; diff --git a/lib/efi_loader/Makefile b/lib/efi_loader/Makefile index d6402c4..1ffbf52 100644 --- a/lib/efi_loader/Makefile +++ b/lib/efi_loader/Makefile @@ -6,6 +6,9 @@ # This file only gets included with CONFIG_EFI_LOADER set, so all # object inclusion implicitly depends on it +CFLAGS_efi_boottime.o += \ + -DFW_VERSION="0x$(VERSION)" \ + -DFW_PATCHLEVEL="0x$(PATCHLEVEL)" CFLAGS_helloworld.o := $(CFLAGS_EFI) -Os -ffreestanding CFLAGS_REMOVE_helloworld.o := $(CFLAGS_NON_EFI) -Os diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c index f6df6df..c5d45dc 100644 --- a/lib/efi_loader/efi_boottime.c +++ b/lib/efi_loader/efi_boottime.c @@ -3110,7 +3110,7 @@ static const struct efi_boot_services efi_boot_services = { .create_event_ex = efi_create_event_ex, }; -static uint16_t __efi_runtime_data firmware_vendor[] = L"Das U-Boot"; +static u16 __efi_runtime_data firmware_vendor[] = L"Das U-Boot"; struct efi_system_table __efi_runtime_data systab = { .hdr = { @@ -3118,7 +3118,8 @@ struct efi_system_table __efi_runtime_data systab = { .revision = EFI_SPECIFICATION_VERSION, .headersize = sizeof(struct efi_system_table), }, - .fw_vendor = (long)firmware_vendor, + .fw_vendor = firmware_vendor, + .fw_revision = FW_VERSION << 16 | FW_PATCHLEVEL << 8, .con_in = (void *)&efi_con_in, .con_out = (void *)&efi_con_out, .std_err = (void *)&efi_con_out, -- 2.7.4