40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
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#ifndef KLIB_MACROS_H__
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#define KLIB_MACROS_H__
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#define ROUNDUP(a, sz) ((((uintptr_t)a) + (sz) - 1) & ~((sz) - 1))
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#define ROUNDDOWN(a, sz) ((((uintptr_t)a)) & ~((sz) - 1))
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#define LENGTH(arr) (sizeof(arr) / sizeof((arr)[0]))
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#define RANGE(st, ed) (Area) { .start = (void *)(st), .end = (void *)(ed) }
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#define IN_RANGE(ptr, area) ((area).start <= (ptr) && (ptr) < (area).end)
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#define STRINGIFY(s) #s
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#define TOSTRING(s) STRINGIFY(s)
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#define _CONCAT(x, y) x ## y
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#define CONCAT(x, y) _CONCAT(x, y)
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#define putstr(s) \
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({ for (const char *p = s; *p; p++) putch(*p); })
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#define io_read(reg) \
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({ reg##_T __io_param; \
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ioe_read(reg, &__io_param); \
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__io_param; })
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#define io_write(reg, ...) \
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({ reg##_T __io_param = (reg##_T) { __VA_ARGS__ }; \
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ioe_write(reg, &__io_param); })
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#define static_assert(const_cond) \
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static char CONCAT(_static_assert_, __LINE__) [(const_cond) ? 1 : -1] __attribute__((unused))
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#define panic_on(cond, s) \
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({ if (cond) { \
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putstr("AM Panic: "); putstr(s); \
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putstr(" @ " __FILE__ ":" TOSTRING(__LINE__) " \n"); \
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halt(1); \
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} })
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#define panic(s) panic_on(1, s)
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#endif
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