vulcanos/kernel/libc/panic.c

52 lines
1.9 KiB
C

#include "panic.h"
#include "../drivers/cpuid.h"
#include "../libc/stdio.h"
#include "../libc/string.h"
#define KINFO printf("["); printf_color(" I ", LIGHT_RED, BLACK); printf("]: ");
#define STRINGIZE(x) #x
#define STRINGIZE_VALUE_OF(x) STRINGIZE(x)
// We panic when we find a critical error, this function is called by assert macro
extern void panic(const char *message, const char *file, uint32_t line) {
uint8_t version[64];
#ifdef VULCAN_VERSION
strcpy(version, (uint8_t*)STRINGIZE_VALUE_OF(VULCAN_VERSION));
#else
#error "-DVULCAN_VERSION flag not set"
#endif
printf_color("=============================================\n", LIGHT_MAGENTA, BLACK);
printf_color(" .:: KERNEL PANIC ::. \n", LIGHT_RED, BLACK);
printf_color("Reason: ", LIGHT_BROWN, BLACK);
printf("'%s' at '%s':%d\n", message, file, line);
KINFO
printf_color("Disabling interrupts\n", LIGHT_GREEN, BLACK);
asm volatile("cli"); // Disable interrupts
KINFO
printf_color("Dropping you into an endless loop\n", LIGHT_GREEN, BLACK);
KINFO
printf_color("Your are on your own now...good luck.\n", LIGHT_GREEN, BLACK);
KINFO
printf_color("VulcanOS version: ", LIGHT_GREEN, BLACK);
printf_color((char*)version, LIGHT_CYAN, BLACK);
printf_color("\n\t\t (c) 2019-2021 Marco Cetica", LIGHT_BROWN, BLACK);
printf_color("\n=============================================\n", LIGHT_MAGENTA, BLACK);
for(;;);
}
// Check for assertion failed, this function is called by assert macro
extern void panic_assert(const char *file, uint32_t line, const char *desc) {
asm volatile("cli"); // Disable interrupts
kprint((uint8_t*)"ASSERTION-FAILED(");
kprint((uint8_t*)desc);
kprint((uint8_t*)") at ");
kprint((uint8_t*)file);
kprint((uint8_t*)":");
kprint_dec(line);
kprint((uint8_t*)"\n");
// Now hang on forever
for(;;);
}