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56 lines
959 B
56 lines
959 B
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* printf.c: Internal prom library printf facility. |
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* |
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* Copyright (C) 1995 David S. Miller ([email protected]) |
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*/ |
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/* This routine is internal to the prom library, no one else should know |
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* about or use it! It's simple and smelly anyway.... |
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*/ |
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#include <linux/kernel.h> |
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#include <asm/openprom.h> |
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#include <asm/oplib.h> |
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#ifdef CONFIG_KGDB |
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extern int kgdb_initialized; |
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#endif |
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static char ppbuf[1024]; |
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void |
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prom_printf(char *fmt, ...) |
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{ |
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va_list args; |
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char ch, *bptr; |
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int i; |
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va_start(args, fmt); |
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#ifdef CONFIG_KGDB |
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ppbuf[0] = 'O'; |
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i = vsprintf(ppbuf + 1, fmt, args) + 1; |
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#else |
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i = vsprintf(ppbuf, fmt, args); |
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#endif |
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bptr = ppbuf; |
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#ifdef CONFIG_KGDB |
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if (kgdb_initialized) { |
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pr_info("kgdb_initialized = %d\n", kgdb_initialized); |
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putpacket(bptr, 1); |
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} else |
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#else |
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while((ch = *(bptr++)) != 0) { |
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if(ch == '\n') |
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prom_putchar('\r'); |
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prom_putchar(ch); |
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} |
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#endif |
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va_end(args); |
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return; |
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}
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