/* SPDX-License-Identifier: GPL-2.0-or-later */ #include <assert.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(); }