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337dac828f
* Update macros.h + allow ALIGN macros to be used anywhere * Fix wrong alignment in synthesis_sh.c * Revert bitmask in VIRTUAL_TO_PHYSICAL macro
143 lines
3.2 KiB
C
143 lines
3.2 KiB
C
#ifndef MACROS_H
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#define MACROS_H
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#include "platform_info.h"
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#ifndef __sgi
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#define GLOBAL_ASM(...)
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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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// Avoid undefined behaviour for non-returning functions.
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#ifdef __GNUC__
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#define NORETURN __attribute__((noreturn))
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#else
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#define NORETURN
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#endif
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// Always inline a function.
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#ifdef __GNUC__
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#define ALWAYS_INLINE inline __attribute__((always_inline))
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#else
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#define ALWAYS_INLINE inline
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#endif
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// Fall through a switch case.
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#ifdef __GNUC__
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#define FALL_THROUGH __attribute__((fallthrough))
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#else
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#define FALL_THROUGH
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#endif
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// Use Og when compiling the function.
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#ifdef __GNUC__
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#define OPTIMIZE_OG __attribute__((optimize("Og")))
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#else
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#define OPTIMIZE_OG
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#endif
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// Use Os when compiling the function.
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#ifdef __GNUC__
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#define OPTIMIZE_OS __attribute__((optimize("Os")))
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#else
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#define OPTIMIZE_OS
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#endif
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// Use Ofast when compiling the function.
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#ifdef __GNUC__
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#define OPTIMIZE_OFAST __attribute__((optimize("Ofast")))
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#else
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#define OPTIMIZE_OFAST
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#endif
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// Ignore 4-byte alignment in structs.
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#ifdef __GNUC__
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#define PACKED __attribute__((packed))
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#else
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#define PACKED
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#endif
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// Align to 4-byte boundary.
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#ifdef __GNUC__
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#define ALIGNED4 __attribute__((aligned(4)))
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#else
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#define ALIGNED4
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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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// Align to 32-byte boundary.
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#ifdef __GNUC__
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#define ALIGNED32 __attribute__((aligned(32)))
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#else
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#define ALIGNED32
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#endif
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// Align to 64-byte boundary.
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#ifdef __GNUC__
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#define ALIGNED64 __attribute__((aligned(64)))
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#else
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#define ALIGNED64
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#endif
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#ifndef ALIGN
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#define ALIGN(VAL_, ALIGNMENT_) (((VAL_) + ((ALIGNMENT_) - 1)) & ~((ALIGNMENT_) - 1))
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#endif
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// Round up to the next multiple.
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#define ALIGN4(val) ALIGN((val), 4)
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#define ALIGN8(val) ALIGN((val), 8)
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#define ALIGN16(val) ALIGN((val), 16)
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#define ALIGN32(val) ALIGN((val), 32)
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#define ALIGN64(val) ALIGN((val), 64)
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#ifndef NO_SEGMENTED_MEMORY
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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 // NO_SEGMENTED_MEMORY
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// No conversion needed 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 // NO_SEGMENTED_MEMORY
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// Static (compile-time) 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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#define FORCE_CRASH { *(vs8*)0 = 0; }
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#endif // MACROS_H
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