--- elilo/x86_64/config.c +++ elilo/x86_64/config.c @@ -33,15 +33,23 @@ typedef struct { UINTN legacy_free_boot; + UINTN text_mode; } x86_64_global_config_t; +#define x86_64_opt_offsetof(option) (&((sys_img_options_t *)(0x0))->option) + static x86_64_global_config_t x86_64_gconf; static config_option_t sysdeps_global_options[]={ {OPT_BOOL, OPT_GLOBAL, L"legacy-free", NULL, NULL, &x86_64_gconf.legacy_free_boot} }; +static config_option_t sysdeps_image_options[]={ + {OPT_BOOL, OPT_IMAGE_SYS, L"text-mode", NULL, NULL, x86_64_opt_offsetof(text_mode)} +}; + + /* * X86_64 operations that need to be done only once and just before * entering the main loop of the loader @@ -81,6 +89,14 @@ return x86_64_gconf.legacy_free_boot ? 1 : 0; } + +INTN +x86_64_text_mode(VOID) +{ + return (elilo_opt.sys_img_opts && + elilo_opt.sys_img_opts->text_mode == TRUE) ? 1 : 0; +} + INTN sysdeps_register_options(VOID) { @@ -89,14 +105,11 @@ ret = register_config_options(sysdeps_global_options, sizeof(sysdeps_global_options)/sizeof(config_option_t), OPTIONS_GROUP_GLOBAL); -#if 0 - /* no per image options yet */ if (ret == -1 ) return ret; ret = register_config_options(sysdeps_image_options, sizeof(sysdeps_image_options)/sizeof(config_option_t), OPTIONS_GROUP_IMAGE); -#endif return ret; } --- elilo/x86_64/sysdeps.h +++ elilo/x86_64/sysdeps.h @@ -369,6 +369,7 @@ extern UINTN rmswitch_size; extern INTN x86_64_use_legacy_free_boot(); +extern INTN x86_64_text_mode(); /* * How to jump to kernel code @@ -471,7 +472,8 @@ } typedef struct sys_img_options { - UINT8 nothing_yet; + UINT8 dummy; /* forces non-zero offset for first field */ + UINT8 text_mode; /* do not try to initialize Graphics Output Protocol */ } sys_img_options_t; #endif /* __ELILO_SYSDEPS_X86_64_H__ */ --- elilo/x86_64/system.c +++ elilo/x86_64/system.c @@ -198,6 +198,10 @@ UINTN size1; UINT8 i; + if (x86_64_text_mode() == 1) { + Print((L"Skip GOP init, force text-mode.\n")); + return -1; + } efi_status = uefi_call_wrapper( BS->LocateHandle, 5,