diff options
Diffstat (limited to 'src/arch/x86/car.ld')
| -rw-r--r-- | src/arch/x86/car.ld | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/arch/x86/car.ld b/src/arch/x86/car.ld index ddd4e7a2bf..17b774845b 100644 --- a/src/arch/x86/car.ld +++ b/src/arch/x86/car.ld @@ -1,5 +1,8 @@ /* SPDX-License-Identifier: GPL-2.0-only */ +/* CACHE_ROM_SIZE defined here. */ +#include <cpu/x86/mtrr.h> + /* This file is included inside a SECTIONS block */ . = CONFIG_DCACHE_RAM_BASE; .car.data . (NOLOAD) : { @@ -73,6 +76,27 @@ _car_region_end = . + CONFIG_DCACHE_RAM_SIZE - (. - _car_region_start); } +. = _car_region_end; +.car.mrc_var . (NOLOAD) : { + . += CONFIG_DCACHE_RAM_MRC_VAR_SIZE; +} + +#if ENV_BOOTBLOCK +_car_mtrr_end = .; +_car_mtrr_start = _car_region_start; + +_car_mtrr_size = _car_mtrr_end - _car_mtrr_start; +_car_mtrr_sz_log2 = 1 << LOG2CEIL(_car_mtrr_size); +_car_mtrr_mask = ~(MAX(4096, _car_mtrr_sz_log2) - 1); + +#if !CONFIG(NO_XIP_EARLY_STAGES) +_xip_program_sz_log2 = 1 << LOG2CEIL(_ebootblock - _bootblock); +_xip_mtrr_mask = ~(MAX(4096, _xip_program_sz_log2) - 1); +#endif + +_rom_mtrr_mask = ~(CACHE_ROM_SIZE - 1); +_rom_mtrr_base = _rom_mtrr_mask; +#endif /* Global variables are not allowed in romstage * This section is checked during stage creation to ensure |