37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
#ifndef _BOOT_LIBBOOT_MEM_MEM_H
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#define _BOOT_LIBBOOT_MEM_MEM_H
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#include <libboot/types.h>
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int strcmp(const char* a, const char* b);
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int strncmp(const char* a, const char* b, uint32_t num);
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size_t strlen(const char* s);
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size_t strnlen(const char* s, size_t maxlen);
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void* memset(void* dest, uint8_t fll, uint32_t nbytes);
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void* memcpy(void* dest, const void* src, uint32_t nbytes);
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void* memccpy(void* dest, const void* src, uint8_t stop, uint32_t nbytes);
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void* memmove(void* dest, const void* src, uint32_t nbytes);
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int memcmp(const void* src1, const void* src2, uint32_t nbytes);
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static size_t align_size(size_t size, size_t align)
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{
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if (size % align) {
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size += align - (size % align);
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}
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return size;
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}
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static inline void* copy_after_kernel(size_t kbase, void* from, size_t size, size_t* kernel_size, size_t align)
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{
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void* pp = (void*)(kbase + *kernel_size);
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memcpy(pp, from, size);
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*kernel_size += align_size(size, align);
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return pp;
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}
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static inline void* paddr_to_vaddr(void* ptr, size_t pbase, size_t vbase)
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{
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return (void*)((size_t)ptr - pbase + vbase);
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}
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#endif // _BOOT_LIBBOOT_MEM_MEM_H
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