| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2016 Intel Corp. |
| * Copyright 2016 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; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * 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 <arch/cpu.h> |
| #include <assert.h> |
| #include <cpu/x86/msr.h> |
| #include <intelblocks/msr.h> |
| #include <program_loading.h> |
| #include <soc/cpu.h> |
| |
| /* |
| * This file supports the necessary hoops one needs to jump through since |
| * early FSP component and early stages are running from cache-as-ram. |
| */ |
| |
| static inline int is_car_addr(uintptr_t addr) |
| { |
| return ((addr >= CONFIG_DCACHE_RAM_BASE) && |
| (addr < (CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE))); |
| } |
| |
| void platform_segment_loaded(uintptr_t start, size_t size, int flags) |
| { |
| /* Bail out if this is not the final segment. */ |
| if (!(flags & SEG_FINAL)) |
| return; |
| |
| char start_car_check = is_car_addr(start); |
| char end_car_check = is_car_addr(start + size - 1); |
| |
| /* Bail out if loaded program segment does not lie in CAR region. */ |
| if (!start_car_check && !end_car_check) |
| return; |
| |
| /* Loaded program segment should lie entirely within CAR region. */ |
| assert(start_car_check && end_car_check); |
| |
| flush_l1d_to_l2(); |
| } |