From 734d3252af9ceda43fbcfcc088e14911d969cdfc Mon Sep 17 00:00:00 2001 From: Heinrich Schuchardt Date: Fri, 5 Apr 2019 02:45:21 +0200 Subject: [PATCH] efi_loader: variables PlatformLang and PlatformLangCodes Since TianoCore EDK2 commit d65f2cea36d1 ("ShellPkg/CommandLib: Locate proper UnicodeCollation instance") in edk2 the UEFI Shell crashes if EFI variable PlatformLang is not defined. As this variable is anyway prescribed in the UEFI 2.7 spec let's define it to L"en-US". Use the same value for PlatformLangCodes that defines the list of all supported languages. Signed-off-by: Heinrich Schuchardt --- lib/efi_loader/efi_setup.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/lib/efi_loader/efi_setup.c b/lib/efi_loader/efi_setup.c index 8266d06..a908843 100644 --- a/lib/efi_loader/efi_setup.c +++ b/lib/efi_loader/efi_setup.c @@ -10,6 +10,9 @@ #define OBJ_LIST_NOT_INITIALIZED 1 +/* Language code for American English according to RFC 4646 */ +#define EN_US L"en-US" + static efi_status_t efi_obj_list_initialized = OBJ_LIST_NOT_INITIALIZED; /* Initialize and populate EFI object list */ @@ -24,6 +27,30 @@ efi_status_t efi_init_obj_list(void) */ efi_save_gd(); + /* + * Variable PlatformLang defines the language that the machine has been + * configured for. + */ + ret = EFI_CALL(efi_set_variable(L"PlatformLang", + &efi_global_variable_guid, + EFI_VARIABLE_BOOTSERVICE_ACCESS | + EFI_VARIABLE_RUNTIME_ACCESS, + sizeof(EN_US), EN_US)); + if (ret != EFI_SUCCESS) + goto out; + + /* + * Variable PlatformLangCodes defines the language codes that the + * machine can support. + */ + ret = EFI_CALL(efi_set_variable(L"PlatformLangCodes", + &efi_global_variable_guid, + EFI_VARIABLE_BOOTSERVICE_ACCESS | + EFI_VARIABLE_RUNTIME_ACCESS, + sizeof(EN_US), EN_US)); + if (ret != EFI_SUCCESS) + goto out; + /* Initialize once only */ if (efi_obj_list_initialized != OBJ_LIST_NOT_INITIALIZED) return efi_obj_list_initialized; -- 2.7.4