| 0,0 → 1,48 |
|---|
| |
| #define OS_BASE 0xE0000000 |
| |
| |
| void printf (const char *format, ...); |
| |
| #define CALLER ((addr_t) __builtin_return_address(0)) |
| |
| extern void panic_printf(char *fmt, ...) __attribute__((noreturn)); |
| |
| #ifdef CONFIG_DEBUG |
| |
| # define panic(format, ...) \ |
| panic_printf("Kernel panic in %s() at %s:%u: " format, __func__, \ |
| __FILE__, __LINE__, ##__VA_ARGS__); |
| |
| # define ASSERT(expr) \ |
| if (!(expr)) { \ |
| panic("assertion failed (%s), caller=%p\n", #expr, CALLER); \ |
| } |
| #else |
| # define panic(format, ...) \ |
| panic_printf("Kernel panic: " format, ##__VA_ARGS__); |
| |
| # define ASSERT(expr) |
| #endif |
| |
| |
| static inline eflags_t safe_cli(void) |
| { |
| eflags_t tmp; |
| asm volatile ( |
| "pushf\n\t" |
| "pop %0\n\t" |
| "cli\n" |
| : "=r" (tmp) |
| ); |
| return tmp; |
| } |
| |
| static inline void safe_sti(eflags_t efl) |
| { |
| asm volatile ( |
| "push %0\n\t" |
| "popf\n" |
| : : "r" (efl) |
| ); |
| } |