sravan/system76-coreboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

arch/x86: document CAR symbols and expose them in symbols.h

Browse Source 
Attempt to better document the symbol usage in car.ld for
cache-as-ram usage. Additionally, add _car_region_[start|end]
that completely covers the entire cache-as-ram region. The
_car_data_[start|end] symbols were renamed to
_car_relocatable_data_[start|end] in the hopes of making it
clearer that objects within there move. Lastly, all these
symbols were added to arch/symbols.h.

Change-Id: I1f1af4983804dc8521d0427f43381bde6d23a060
Signed-off-by: Andrey Petrov <andrey.petrov@intel.com>
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/13804
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
This commit is contained in:
Andrey Petrov
2016-02-25 17:22:17 -08:00
committed by Patrick Georgi
parent b1bca88a04
commit dd56de974d
5 changed files with 69 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/cpu/amd/car/post_cache_as_ram.c
View File

@@ -150,11 +150,11 @@ void post_cache_as_ram(void)
void *migrated_car = (void *)(CONFIG_RAMTOP - car_size);
print_car_debug("Copying data from cache to RAM...");
memcpy_(migrated_car, &_car_data_start[0], car_size);
memcpy_(migrated_car, _car_relocatable_data_start, car_size);
print_car_debug(" Done\n");
print_car_debug("Verifying data integrity in RAM...");
if (memcmp_(migrated_car, &_car_data_start[0], car_size) == 0)
if (memcmp_(migrated_car, _car_relocatable_data_start, car_size) == 0)
print_car_debug(" Done\n");
else
print_car_debug(" FAILED\n");