diff options
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/x86/postcar_loader.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/arch/x86/postcar_loader.c b/src/arch/x86/postcar_loader.c index a8a77e0227..17286805ef 100644 --- a/src/arch/x86/postcar_loader.c +++ b/src/arch/x86/postcar_loader.c @@ -9,6 +9,7 @@ #include <program_loading.h> #include <reset.h> #include <rmodule.h> +#include <romstage_handoff.h> #include <security/vboot/vboot_common.h> #include <stage_cache.h> #include <timestamp.h> @@ -137,6 +138,25 @@ static void postcar_cache_invalid(void) board_reset(); } +/* + * POSTCAR will call invd so don't make assumptions on cbmem + * and external stage cache being UC. + */ +static void postcar_flush_cache(void) +{ + uintptr_t cbmem_base; + size_t cbmem_size; + uintptr_t stage_cache_base; + size_t stage_cache_size; + + cbmem_get_region((void **)&cbmem_base, &cbmem_size); + prog_segment_loaded(cbmem_base, cbmem_size, SEG_FINAL); + if (CONFIG(TSEG_STAGE_CACHE) && !romstage_handoff_is_resume()) { + stage_cache_external_region((void **)&stage_cache_base, &stage_cache_size); + prog_segment_loaded(stage_cache_base, stage_cache_size, SEG_FINAL); + } +} + static void run_postcar_phase(struct postcar_frame *pcf) { struct prog prog = @@ -159,6 +179,8 @@ static void run_postcar_phase(struct postcar_frame *pcf) console_time_report(); + postcar_flush_cache(); + prog_set_arg(&prog, cbmem_top()); prog_run(&prog); |