129 lines
3.5 KiB
C
129 lines
3.5 KiB
C
#pragma once
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#include <uacpi/internal/types.h>
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#include <uacpi/internal/helpers.h>
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#include <uacpi/platform/libc.h>
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#include <uacpi/platform/config.h>
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#include <uacpi/kernel_api.h>
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#ifdef UACPI_USE_BUILTIN_STRING
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#ifndef uacpi_memcpy
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void *uacpi_memcpy(void *dest, const void *src, uacpi_size count);
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#endif
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#ifndef uacpi_memmove
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void *uacpi_memmove(void *dest, const void *src, uacpi_size count);
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#endif
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#ifndef uacpi_memset
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void *uacpi_memset(void *dest, uacpi_i32 ch, uacpi_size count);
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#endif
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#ifndef uacpi_memcmp
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uacpi_i32 uacpi_memcmp(const void *lhs, const void *rhs, uacpi_size count);
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#endif
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#else
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#ifndef uacpi_memcpy
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#ifdef UACPI_COMPILER_HAS_BUILTIN_MEMCPY
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#define uacpi_memcpy __builtin_memcpy
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#else
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extern void *memcpy(void *dest, const void *src, uacpi_size count);
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#define uacpi_memcpy memcpy
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#endif
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#endif
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#ifndef uacpi_memmove
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#ifdef UACPI_COMPILER_HAS_BUILTIN_MEMMOVE
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#define uacpi_memmove __builtin_memmove
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#else
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extern void *memmove(void *dest, const void *src, uacpi_size count);
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#define uacpi_memmove memmove
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#endif
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#endif
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#ifndef uacpi_memset
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#ifdef UACPI_COMPILER_HAS_BUILTIN_MEMSET
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#define uacpi_memset __builtin_memset
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#else
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extern void *memset(void *dest, int ch, uacpi_size count);
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#define uacpi_memset memset
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#endif
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#endif
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#ifndef uacpi_memcmp
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#ifdef UACPI_COMPILER_HAS_BUILTIN_MEMCMP
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#define uacpi_memcmp __builtin_memcmp
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#else
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extern int memcmp(const void *lhs, const void *rhs, uacpi_size count);
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#define uacpi_memcmp memcmp
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#endif
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#endif
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#endif
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#ifndef uacpi_strlen
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uacpi_size uacpi_strlen(const uacpi_char *str);
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#endif
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#ifndef uacpi_strnlen
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uacpi_size uacpi_strnlen(const uacpi_char *str, uacpi_size max);
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#endif
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#ifndef uacpi_strcmp
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uacpi_i32 uacpi_strcmp(const uacpi_char *lhs, const uacpi_char *rhs);
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#endif
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#ifndef uacpi_snprintf
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UACPI_PRINTF_DECL(3, 4)
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uacpi_i32 uacpi_snprintf(
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uacpi_char *buffer, uacpi_size capacity, const uacpi_char *fmt, ...
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);
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#endif
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#ifndef uacpi_vsnprintf
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uacpi_i32 uacpi_vsnprintf(
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uacpi_char *buffer, uacpi_size capacity, const uacpi_char *fmt,
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uacpi_va_list vlist
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);
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#endif
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#ifdef UACPI_SIZED_FREES
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#define uacpi_free(mem, size) uacpi_kernel_free(mem, size)
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#else
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#define uacpi_free(mem, _) uacpi_kernel_free(mem)
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#endif
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#define uacpi_memzero(ptr, size) uacpi_memset(ptr, 0, size)
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#define UACPI_COMPARE(x, y, op) ((x) op (y) ? (x) : (y))
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#define UACPI_MIN(x, y) UACPI_COMPARE(x, y, <)
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#define UACPI_MAX(x, y) UACPI_COMPARE(x, y, >)
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#define UACPI_ALIGN_UP_MASK(x, mask) (((x) + (mask)) & ~(mask))
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#define UACPI_ALIGN_UP(x, val, type) UACPI_ALIGN_UP_MASK(x, (type)(val) - 1)
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#define UACPI_ALIGN_DOWN_MASK(x, mask) ((x) & ~(mask))
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#define UACPI_ALIGN_DOWN(x, val, type) UACPI_ALIGN_DOWN_MASK(x, (type)(val) - 1)
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#define UACPI_IS_ALIGNED_MASK(x, mask) (((x) & (mask)) == 0)
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#define UACPI_IS_ALIGNED(x, val, type) UACPI_IS_ALIGNED_MASK(x, (type)(val) - 1)
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#define UACPI_IS_POWER_OF_TWO(x, type) UACPI_IS_ALIGNED(x, x, type)
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void uacpi_memcpy_zerout(void *dst, const void *src,
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uacpi_size dst_size, uacpi_size src_size);
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// Returns the one-based bit location of LSb or 0
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uacpi_u8 uacpi_bit_scan_forward(uacpi_u64);
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// Returns the one-based bit location of MSb or 0
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uacpi_u8 uacpi_bit_scan_backward(uacpi_u64);
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#ifndef UACPI_NATIVE_ALLOC_ZEROED
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void *uacpi_builtin_alloc_zeroed(uacpi_size size);
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#define uacpi_kernel_alloc_zeroed uacpi_builtin_alloc_zeroed
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#endif
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