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authorKyösti Mälkki <kyosti.malkki@gmail.com>2019-02-12 14:16:21 +0200
committerPatrick Georgi <pgeorgi@google.com>2019-02-27 11:10:00 +0000
commite613d704d12592dfc371d81957a3d83b0742fa7d (patch)
treeb21785796ec4446f1c18c74526e22a97b5cd7318 /src/console
parent7132f259bf83f1118893550c0bc914c11081ea84 (diff)
console: Split loglevel for fast and slow
For fast CBMEM console use minimum BIOS_DEBUG level. For other consoles, Kconfig and/or nvram settings apply. Change-Id: Iff56a0a3182f258200cac80e013957d598cc2130 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/31370 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Julius Werner <jwerner@chromium.org>
Diffstat (limited to 'src/console')
-rw-r--r--src/console/init.c14
-rw-r--r--src/console/printk.c22
2 files changed, 29 insertions, 7 deletions
diff --git a/src/console/init.c b/src/console/init.c
index 7d1f31a38b..b7cc43aef2 100644
--- a/src/console/init.c
+++ b/src/console/init.c
@@ -15,6 +15,7 @@
*/
#include <arch/early_variables.h>
+#include <commonlib/helpers.h>
#include <console/console.h>
#include <console/uart.h>
#include <console/streams.h>
@@ -64,7 +65,18 @@ static void init_log_level(void)
int console_log_level(int msg_level)
{
- return (get_log_level() >= msg_level);
+ int log_level = get_log_level();
+
+ if (log_level < 0)
+ return CONSOLE_LOG_NONE;
+
+ if (msg_level <= log_level)
+ return CONSOLE_LOG_ALL;
+
+ if (IS_ENABLED(CONFIG_CONSOLE_CBMEM) && (msg_level <= BIOS_DEBUG))
+ return CONSOLE_LOG_FAST;
+
+ return 0;
}
asmlinkage void console_init(void)
diff --git a/src/console/printk.c b/src/console/printk.c
index 0a9d3bf8ae..6050620dca 100644
--- a/src/console/printk.c
+++ b/src/console/printk.c
@@ -17,6 +17,7 @@
* blatantly copied from linux/kernel/printk.c
*/
+#include <console/cbmem_console.h>
#include <console/console.h>
#include <console/streams.h>
#include <console/vtxprintf.h>
@@ -36,18 +37,24 @@ void do_putchar(unsigned char byte)
static void wrap_putchar(unsigned char byte, void *data)
{
- do_putchar(byte);
+ console_tx_byte(byte);
+}
+
+static void wrap_putchar_cbmemc(unsigned char byte, void *data)
+{
+ __cbmemc_tx_byte(byte);
}
int vprintk(int msg_level, const char *fmt, va_list args)
{
- int i;
+ int i, log_this;
if (IS_ENABLED(CONFIG_SQUELCH_EARLY_SMP) && ENV_CACHE_AS_RAM &&
!boot_cpu())
return 0;
- if (!console_log_level(msg_level))
+ log_this = console_log_level(msg_level);
+ if (log_this < CONSOLE_LOG_FAST)
return 0;
DISABLE_TRACE;
@@ -59,9 +66,12 @@ int vprintk(int msg_level, const char *fmt, va_list args)
spin_lock(&console_lock);
#endif
- i = vtxprintf(wrap_putchar, fmt, args, NULL);
-
- console_tx_flush();
+ if (log_this == CONSOLE_LOG_FAST) {
+ i = vtxprintf(wrap_putchar_cbmemc, fmt, args, NULL);
+ } else {
+ i = vtxprintf(wrap_putchar, fmt, args, NULL);
+ console_tx_flush();
+ }
#ifdef __PRE_RAM__
#if IS_ENABLED(CONFIG_HAVE_ROMSTAGE_CONSOLE_SPINLOCK)