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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
| commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
| tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /arch/loongarch/include/asm/bug.h | |
| parent | Initial commit. (diff) | |
| download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip | |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/loongarch/include/asm/bug.h')
| -rw-r--r-- | arch/loongarch/include/asm/bug.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/bug.h b/arch/loongarch/include/asm/bug.h new file mode 100644 index 0000000000..d4ca3ba254 --- /dev/null +++ b/arch/loongarch/include/asm/bug.h @@ -0,0 +1,61 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_BUG_H +#define __ASM_BUG_H + +#include <asm/break.h> +#include <linux/stringify.h> + +#ifndef CONFIG_DEBUG_BUGVERBOSE +#define _BUGVERBOSE_LOCATION(file, line) +#else +#define __BUGVERBOSE_LOCATION(file, line) \ + .pushsection .rodata.str, "aMS", @progbits, 1; \ + 10002: .string file; \ + .popsection; \ + \ + .long 10002b - .; \ + .short line; +#define _BUGVERBOSE_LOCATION(file, line) __BUGVERBOSE_LOCATION(file, line) +#endif + +#ifndef CONFIG_GENERIC_BUG +#define __BUG_ENTRY(flags) +#else +#define __BUG_ENTRY(flags) \ + .pushsection __bug_table, "aw"; \ + .align 2; \ + 10000: .long 10001f - .; \ + _BUGVERBOSE_LOCATION(__FILE__, __LINE__) \ + .short flags; \ + .popsection; \ + 10001: +#endif + +#define ASM_BUG_FLAGS(flags) \ + __BUG_ENTRY(flags) \ + break BRK_BUG + +#define ASM_BUG() ASM_BUG_FLAGS(0) + +#define __BUG_FLAGS(flags) \ + asm_inline volatile (__stringify(ASM_BUG_FLAGS(flags))); + +#define __WARN_FLAGS(flags) \ +do { \ + instrumentation_begin(); \ + __BUG_FLAGS(BUGFLAG_WARNING|(flags)); \ + instrumentation_end(); \ +} while (0) + +#define BUG() \ +do { \ + instrumentation_begin(); \ + __BUG_FLAGS(0); \ + unreachable(); \ +} while (0) + +#define HAVE_ARCH_BUG + +#include <asm-generic/bug.h> + +#endif /* __ASM_BUG_H */ |