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cbmem console: reduce temporary buffer size for dynamic CBMEM 

When using dynamic CBMEM the CBMEM area is initialized before
entering ram stage, and so we need a way smaller temporary buffer
for the CBMEM console during early bits of ram stage. In practice
around 256 bytes are needed, but keep the buffer at 1k so we make
sure we don't run out.

TEST=Boot tested on pit
BRANCH=none
BUG=none

Change-Id: I462810b7bafbcc57f8e5f9b1d1f38cfdf85fa630
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: https://chromium-review.googlesource.com/168575
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
[km: cherry-pick 7fd1bbc0 from chromium git]
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/4293
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martin.roth@se-eng.com>
This commit is contained in:
Stefan Reinauer 2013-09-09 11:22:18 -07:00 committed by Kyösti Mälkki
parent a3c5ba3ca7
commit 19d06b2f89
1 changed files with 7 additions and 1 deletions
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8
src/lib/cbmem_console.c
View File

@ -53,7 +53,13 @@ static struct cbmem_console car_cbmem_console CAR_CBMEM;
* to be concatenated with the CBMEM console buffer contents accumulated
* during the ROM stage, once CBMEM becomes available at RAM stage.
*/
static u8 static_console[40000];
#if CONFIG_DYNAMIC_CBMEM
#define STATIC_CONSOLE_SIZE 1024
#else
#define STATIC_CONSOLE_SIZE 40000
#endif
static u8 static_console[STATIC_CONSOLE_SIZE];
#endif
static inline struct cbmem_console *current_console(void)