| 1 | // SPDX-License-Identifier: GPL-2.0 |
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| 2 | /* |
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| 3 | * Callers outside of misc.c need access to the error reporting routines, |
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| 4 | * but the *_putstr() functions need to stay in misc.c because of how |
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| 5 | * memcpy() and memmove() are defined for the compressed boot environment. |
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| 6 | */ |
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| 7 | #include "misc.h" |
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| 8 | #include "error.h" |
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| 9 | |
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| 10 | void warn(const char *m) |
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| 11 | { |
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| 12 | error_putstr("\n\n" ); |
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| 13 | error_putstr(m); |
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| 14 | error_putstr("\n\n" ); |
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| 15 | } |
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| 16 | |
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| 17 | void error(char *m) |
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| 18 | { |
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| 19 | warn(m); |
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| 20 | error_putstr(" -- System halted" ); |
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| 21 | |
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| 22 | while (1) |
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| 23 | asm("hlt" ); |
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| 24 | } |
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| 25 | |
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| 26 | /* EFI libstub provides vsnprintf() */ |
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| 27 | #ifdef CONFIG_EFI_STUB |
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| 28 | void panic(const char *fmt, ...) |
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| 29 | { |
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| 30 | static char buf[1024]; |
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| 31 | va_list args; |
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| 32 | int len; |
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| 33 | |
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| 34 | va_start(args, fmt); |
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| 35 | len = vsnprintf(buf, size: sizeof(buf), fmt, args); |
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| 36 | va_end(args); |
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| 37 | |
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| 38 | if (len && buf[len - 1] == '\n') |
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| 39 | buf[len - 1] = '\0'; |
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| 40 | |
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| 41 | error(m: buf); |
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| 42 | } |
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| 43 | #endif |
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| 44 | |
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