mirror of https://github.com/sm64pc/sm64pc.git
38 lines
957 B
C
38 lines
957 B
C
#ifndef _MACROS_H_
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#define _MACROS_H_
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#define ARRAY_COUNT(arr) (s32)(sizeof(arr) / sizeof(arr[0]))
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#define GLUE(a, b) a ## b
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#define GLUE2(a, b) GLUE(a, b)
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// Avoid compiler warnings for unused variables
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#ifdef __GNUC__
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#define UNUSED __attribute__((unused))
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#else
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#define UNUSED
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#endif
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// Ignore GLOBAL_ASM blocks when syntax-checking with GCC
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#ifdef __GNUC__
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#define GLOBAL_ASM(...)
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#endif
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// Static assertions
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#ifdef __GNUC__
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#define STATIC_ASSERT(cond, msg) _Static_assert(cond, msg)
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#else
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#define STATIC_ASSERT(cond, msg) typedef char GLUE2(static_assertion_failed, __LINE__)[(cond) ? 1 : -1]
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#endif
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// convert a virtual address to physical.
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#define VIRTUAL_TO_PHYSICAL(addr) ((uintptr_t)(addr) & 0x1FFFFFFF)
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// convert a physical address to virtual.
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#define PHYSICAL_TO_VIRTUAL(addr) ((uintptr_t)(addr) | 0x80000000)
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// another way of converting virtual to physical
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#define VIRTUAL_TO_PHYSICAL2(addr) ((u8 *)(addr) - 0x80000000U)
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#endif
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