diff options
Diffstat (limited to 'src/console')
| -rw-r--r-- | src/console/printk.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/console/printk.c b/src/console/printk.c index aab7ff5f67..99f90a8e28 100644 --- a/src/console/printk.c +++ b/src/console/printk.c @@ -2,6 +2,7 @@ * blatantly copied from linux/kernel/printk.c * * Copyright (C) 1991, 1992 Linus Torvalds + * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering * */ @@ -13,7 +14,9 @@ #include <stddef.h> #include <trace.h> +#if (!defined(__PRE_RAM__) && IS_ENABLED(CONFIG_HAVE_ROMSTAGE_CONSOLE_SPINLOCK)) || !IS_ENABLED(CONFIG_HAVE_ROMSTAGE_CONSOLE_SPINLOCK) DECLARE_SPIN_LOCK(console_lock) +#endif void do_putchar(unsigned char byte) { @@ -39,7 +42,13 @@ int do_printk(int msg_level, const char *fmt, ...) #endif DISABLE_TRACE; +#ifdef __PRE_RAM__ +#if IS_ENABLED(CONFIG_HAVE_ROMSTAGE_CONSOLE_SPINLOCK) + spin_lock(romstage_console_lock()); +#endif +#else spin_lock(&console_lock); +#endif va_start(args, fmt); i = vtxprintf(wrap_putchar, fmt, args, NULL); @@ -47,7 +56,13 @@ int do_printk(int msg_level, const char *fmt, ...) console_tx_flush(); +#ifdef __PRE_RAM__ +#if IS_ENABLED(CONFIG_HAVE_ROMSTAGE_CONSOLE_SPINLOCK) + spin_unlock(romstage_console_lock()); +#endif +#else spin_unlock(&console_lock); +#endif ENABLE_TRACE; return i; |