diff options
| author | Aaron Durbin <adurbin@chromium.org> | 2015-04-20 15:24:19 -0500 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-04-23 16:35:51 +0200 |
| commit | d70bf7cc219f8478e8336f60542a50c078bf531b (patch) | |
| tree | c2b63025bdf691e3724b7225d58bebd13aa07aca /src/lib/cbmem_console.c | |
| parent | 58decc540dd40c180542d214f74773c7c17b4f28 (diff) | |
cbmem_console: fix it for x86
The Kconfig options pertaining cbmem console in the preram
environment no longer make sense with the linker script
changes. Remove them and their usage within cbmem_console.
Change-Id: Ibf61645ca2331e4851e748e4e7aa5059e1192ed7
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9851
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to 'src/lib/cbmem_console.c')
| -rw-r--r-- | src/lib/cbmem_console.c | 34 |
1 files changed, 22 insertions, 12 deletions
diff --git a/src/lib/cbmem_console.c b/src/lib/cbmem_console.c index 770c1d2c9b..628d3b9c1f 100644 --- a/src/lib/cbmem_console.c +++ b/src/lib/cbmem_console.c @@ -83,7 +83,7 @@ static inline void init_console_ptr(void *storage, u32 total_space, int flags) { struct cbmem_console *cbm_cons_p = storage; - if (!cbm_cons_p) { + if (!cbm_cons_p || total_space == 0) { current_console_set(NULL); return; } @@ -209,22 +209,32 @@ static void copy_console_buffer(struct cbmem_console *old_cons_p, void cbmemc_reinit(void) { - struct cbmem_console *cbm_cons_p = NULL; + struct cbmem_console *cbm_cons_p; + const size_t size = CONFIG_CONSOLE_CBMEM_BUFFER_SIZE; int flags = CBMEMC_APPEND; - if (ENV_ROMSTAGE && (CONFIG_CONSOLE_PRERAM_BUFFER_SIZE == 0)) - return; - - /* If CBMEM entry already existed, old contents is not altered. */ - cbm_cons_p = cbmem_add(CBMEM_ID_CONSOLE, - CONFIG_CONSOLE_CBMEM_BUFFER_SIZE); + /* No appending when no preram console available and adding for + * the first time. */ + if (!ENV_RAMSTAGE && _preram_cbmem_console_size == 0) + flags = CBMEMC_RESET; - /* Clear old contents of CBMEM buffer. */ - if (ENV_ROMSTAGE || (CONFIG_CONSOLE_PRERAM_BUFFER_SIZE == 0)) + /* Need to reset the newly added cbmem console in romstage. */ + if (ENV_ROMSTAGE) flags |= CBMEMC_RESET; - init_console_ptr(cbm_cons_p, - CONFIG_CONSOLE_CBMEM_BUFFER_SIZE, flags); + /* Need to reset the newly added cbmem console in ramstage + * when there was no console in preram environment. */ + if (ENV_RAMSTAGE) { + cbm_cons_p = cbmem_find(CBMEM_ID_CONSOLE); + if (cbm_cons_p == NULL) + flags |= CBMEMC_RESET; + } + + /* If CBMEM entry already existed, old contents is not altered. */ + cbm_cons_p = cbmem_add(CBMEM_ID_CONSOLE, size); + + init_console_ptr(cbm_cons_p, size, flags); } + /* Call cbmemc_reinit() at CAR migration time. */ CAR_MIGRATE(cbmemc_reinit) |