75a0e78b5d
vprintk is created out of do_printk for all the archs. BUG=none TEST=Built Nyans, Falco, and Ryu. Verified serial output on Blaze and Falco. BRANCH=none Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org> Change-Id: Idf708359f0e9e9a9f32a601a5a117e469d5025ba Reviewed-on: https://chromium-review.googlesource.com/214566 Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org> Commit-Queue: Daisuke Nojiri <dnojiri@chromium.org> Tested-by: Daisuke Nojiri <dnojiri@chromium.org>
48 lines
819 B
C
48 lines
819 B
C
/*
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* blantantly copied from linux/kernel/printk.c
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*
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* Copyright (C) 1991, 1992 Linus Torvalds
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*
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*/
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#include <smp/spinlock.h>
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#include <console/vtxprintf.h>
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#include <console/console.h>
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#include <trace.h>
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int console_loglevel = CONFIG_DEFAULT_CONSOLE_LOGLEVEL;
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int default_console_loglevel = CONFIG_DEFAULT_CONSOLE_LOGLEVEL;
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DECLARE_SPIN_LOCK(console_lock)
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int vprintk(int msg_level, const char *fmt, va_list args)
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{
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int i;
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if (msg_level > console_loglevel)
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return 0;
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DISABLE_TRACE;
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spin_lock(&console_lock);
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i = vtxprintf(console_tx_byte, fmt, args);
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console_tx_flush();
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spin_unlock(&console_lock);
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ENABLE_TRACE;
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return i;
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}
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int do_printk(int msg_level, const char *fmt, ...)
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{
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va_list args;
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int i;
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va_start(args, fmt);
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i = vprintk(msg_level, fmt, args);
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va_end(args);
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return i;
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}
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