diff options
Diffstat (limited to 'sys/kern')
| -rw-r--r-- | sys/kern/kern_panic.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/sys/kern/kern_panic.c b/sys/kern/kern_panic.c new file mode 100644 index 0000000..d6beccb --- /dev/null +++ b/sys/kern/kern_panic.c @@ -0,0 +1,53 @@ +/* + * Copyright (c) 2025 Ian Marco Moffett and the Osmora Team. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Hyra nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPKERNE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LKERNS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * PKERNSIBILITY OF SUCH DAMAGE. + */ + +#include <kern/panic.h> +#include <kern/serial.h> +#include <mu/panic.h> +#include <lib/string.h> +#include <lib/stdarg.h> +#include <lib/stdbool.h> + +void +panic(const char *fmt, ...) +{ + static bool lock = false; + static char buf[256]; + static va_list ap; + + mu_panic_preamble(); + va_start(ap, fmt); + + vsnprintf(buf, sizeof(buf), fmt, ap); + serial_write("panic: ", 7); + serial_write(buf, strlen(buf)); + + mu_panic_hcf(); + __builtin_unreachable(); +} |
