37 lines
1.5 KiB
C++
37 lines
1.5 KiB
C++
#include <stdarg.h>
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#define abs(x) ((x) < 0 ? -(x) : (x))
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#define assert(check) \
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({ \
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if (!(check)) { \
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fb::printf("\nassert() failed in %s() (%s:%d)\n", __func__, \
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__FILE__, __LINE__); \
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for (;;) asm volatile("hlt"); \
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} \
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})
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#define ALIGN_UP(NUM, ALIGN) (((NUM) + ALIGN - 1) & ~(ALIGN - 1))
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#define ALIGN_DOWN(NUM, ALIGN) ((NUM) & ~(ALIGN - 1))
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#define CONTAINER_OF(PTR, TYPE, MEMBER) \
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((TYPE *)((void *)PTR - OFFSET_OF(TYPE, MEMBER)))
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#define BIT_SET(BIT) (bitmap[(BIT) / 8] |= (1 << ((BIT) % 8)))
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#define BIT_CLEAR(BIT) (bitmap[(BIT) / 8] &= ~(1 << ((BIT) % 8)))
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#define BIT_GET(BIT) ((bitmap[(BIT) / 8] >> ((BIT) % 8)) & 1)
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static inline void pause( ) {
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for (uint64_t i = 0; i < 1024; i++) {
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for (uint64_t j = 0; j < 1024; j++) {
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for (uint64_t q = 0; q < 8; q++) { asm volatile("pause"); }
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}
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}
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}
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namespace tool {
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void memcpy(void *dest, void *src, uint64_t n);
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void *memset(void *ptr, uint8_t n, uint64_t size);
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uint64_t strlen(const char *str);
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uint64_t starts_with(const char *str, const char *prefix);
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void format(void (*putc)(char c), const char *format_string, va_list args);
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} // namespace tool
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