62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
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#ifndef _MACROS_H_
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#define _MACROS_H_
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#include "platform_info.h"
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#if !defined(__sgi) && (!defined(NON_MATCHING) || !defined(AVOID_UB))
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// asm-process isn't supported outside of IDO, and undefined behavior causes
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// crashes.
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#error Matching build is only possible on IDO; please build with NON_MATCHING=1.
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#endif
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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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// 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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// Align to 8-byte boundary for DMA requirements
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#ifdef __GNUC__
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#define ALIGNED8 __attribute__((aligned(8)))
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#else
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#define ALIGNED8
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#endif
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// Align to 16-byte boundary for audio lib requirements
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#ifdef __GNUC__
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#define ALIGNED16 __attribute__((aligned(16)))
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#else
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#define ALIGNED16
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#endif
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#ifdef TARGET_N64
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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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#else
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// no conversion for pc port other than cast
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#define VIRTUAL_TO_PHYSICAL(addr) ((uintptr_t)(addr))
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#define PHYSICAL_TO_VIRTUAL(addr) ((uintptr_t)(addr))
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#define VIRTUAL_TO_PHYSICAL2(addr) ((void *)(addr))
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#endif
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#endif
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