diff options
Diffstat (limited to 'src/cpu/x86/smm')
| -rw-r--r-- | src/cpu/x86/smm/Makefile.inc | 4 | ||||
| -rw-r--r-- | src/cpu/x86/smm/stage_cache.c | 33 |
2 files changed, 37 insertions, 0 deletions
diff --git a/src/cpu/x86/smm/Makefile.inc b/src/cpu/x86/smm/Makefile.inc index 5c7aab3ffc..fe149f140f 100644 --- a/src/cpu/x86/smm/Makefile.inc +++ b/src/cpu/x86/smm/Makefile.inc @@ -42,6 +42,10 @@ endif ifeq ($(CONFIG_SMM_TSEG),y) +ramstage-y += stage_cache.c +romstage-y += stage_cache.c +postcar-y += stage_cache.c + smmstub-y += smm_stub.S smm-y += smm_module_handler.c diff --git a/src/cpu/x86/smm/stage_cache.c b/src/cpu/x86/smm/stage_cache.c new file mode 100644 index 0000000000..7806290d5c --- /dev/null +++ b/src/cpu/x86/smm/stage_cache.c @@ -0,0 +1,33 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2013 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <console/console.h> +#include <cpu/x86/smm.h> +#include <stage_cache.h> +#include <types.h> + +int __weak smm_subregion(int sub, void **base, size_t *size) +{ + return -1; +} + +void __weak stage_cache_external_region(void **base, size_t *size) +{ + if (smm_subregion(SMM_SUBREGION_CACHE, base, size)) { + printk(BIOS_ERR, "ERROR: No cache SMM subregion.\n"); + *base = NULL; + *size = 0; + } +} |