diff options
Diffstat (limited to 'src/lib')
| -rw-r--r-- | src/lib/cbfs.c | 12 | ||||
| -rw-r--r-- | src/lib/prog_loaders.c | 14 |
2 files changed, 25 insertions, 1 deletions
diff --git a/src/lib/cbfs.c b/src/lib/cbfs.c index 5a2f63f95d..19737a4192 100644 --- a/src/lib/cbfs.c +++ b/src/lib/cbfs.c @@ -187,6 +187,18 @@ size_t cbfs_boot_load_struct(const char *name, void *buf, size_t buf_size) buf, buf_size, compression_algo); } +size_t cbfs_prog_stage_section(struct prog *pstage, uintptr_t *base) +{ + struct cbfs_stage stage; + const struct region_device *fh = prog_rdev(pstage); + + if (rdev_readat(fh, &stage, 0, sizeof(stage)) != sizeof(stage)) + return 0; + + *base = (uintptr_t)stage.load; + return stage.memlen; +} + int cbfs_prog_stage_load(struct prog *pstage) { struct cbfs_stage stage; diff --git a/src/lib/prog_loaders.c b/src/lib/prog_loaders.c index 09933ae70c..3a6f2e26a5 100644 --- a/src/lib/prog_loaders.c +++ b/src/lib/prog_loaders.c @@ -110,6 +110,18 @@ static int load_relocatable_ramstage(struct prog *ramstage) return rmodule_stage_load(&rmod_ram); } +static int load_nonrelocatable_ramstage(struct prog *ramstage) +{ + if (IS_ENABLED(CONFIG_HAVE_ACPI_RESUME)) { + uintptr_t base = 0; + size_t size = cbfs_prog_stage_section(ramstage, &base); + if (size) + backup_ramstage_section(base, size); + } + + return cbfs_prog_stage_load(ramstage); +} + void run_ramstage(void) { struct prog ramstage = @@ -135,7 +147,7 @@ void run_ramstage(void) if (IS_ENABLED(CONFIG_RELOCATABLE_RAMSTAGE)) { if (load_relocatable_ramstage(&ramstage)) goto fail; - } else if (cbfs_prog_stage_load(&ramstage)) + } else if (load_nonrelocatable_ramstage(&ramstage)) goto fail; stage_cache_add(STAGE_RAMSTAGE, &ramstage); |