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| author | Simon Glass <sjg@chromium.org> | 2016-09-04 16:37:04 -0600 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2016-09-20 21:52:53 +0200 |
| commit | 78c63860a61c4562e78a35c5d5457085acf27670 (patch) | |
| tree | 689e86e919a7ab09c922389e6a4bcf0e3d769054 /src/lib/selfboot.c | |
| parent | 17c2b94ac1d1926f66c66fd4a00bdb044247b090 (diff) | |
| download | coreboot-78c63860a61c4562e78a35c5d5457085acf27670.tar.gz coreboot-78c63860a61c4562e78a35c5d5457085acf27670.tar.bz2 coreboot-78c63860a61c4562e78a35c5d5457085acf27670.zip | |
selfboot: Move the usable-RAM check into a function
In preparation for making this check optional, move it into its own
function. load_self_segments() is already long and we don't want to make
it longer.
BUG=chrome-os-partner:56314
BRANCH=none
TEST=boot on gru and see that BL31 loads and runs correctly
Change-Id: If48d2bf485a23f21c5599670e77a7b8b098f1a88
Signed-off-by: Martin Roth <martinroth@chromium.org>
Original-Commit-Id: 2381e02efa2033857ac06acbc4f0c0dd08de1080
Original-Change-Id: I005e5e4d9b2136605bdd95e9060655df7a8238cb
Original-Signed-off-by: Simon Glass <sjg@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/381092
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/16585
Tested-by: build bot (Jenkins)
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Diffstat (limited to 'src/lib/selfboot.c')
| -rw-r--r-- | src/lib/selfboot.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/src/lib/selfboot.c b/src/lib/selfboot.c index 2fdf8ce3320c..1ce7f94f5aa8 100644 --- a/src/lib/selfboot.c +++ b/src/lib/selfboot.c @@ -328,23 +328,20 @@ static int build_self_segment_list( return 1; } -static int load_self_segments( - struct segment *head, - struct prog *payload) +static int payload_targets_usable_ram(struct segment *head) { - struct segment *ptr; const unsigned long one_meg = (1UL << 20); - unsigned long bounce_high = lb_end; + struct segment *ptr; - for(ptr = head->next; ptr != head; ptr = ptr->next) { + for (ptr = head->next; ptr != head; ptr = ptr->next) { if (bootmem_region_targets_usable_ram(ptr->s_dstaddr, - ptr->s_memsz)) + ptr->s_memsz)) continue; if (ptr->s_dstaddr < one_meg && (ptr->s_dstaddr + ptr->s_memsz) <= one_meg) { printk(BIOS_DEBUG, - "Payload being loaded below 1MiB " + "Payload being loaded at below 1MiB " "without region being marked as RAM usable.\n"); continue; } @@ -357,6 +354,19 @@ static int load_self_segments( return 0; } + return 1; +} + +static int load_self_segments( + struct segment *head, + struct prog *payload) +{ + struct segment *ptr; + unsigned long bounce_high = lb_end; + + if (!payload_targets_usable_ram(head)) + return 0; + for(ptr = head->next; ptr != head; ptr = ptr->next) { /* * Add segments to bootmem memory map before a bounce buffer is |