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kernel: add aarch64 architecture support

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Signed-off-by: EnderIce2 <enderice2@protonmail.com>
This commit is contained in:
EnderIce2
2025-01-10 17:26:26 +02:00
parent 07abdd9f6c
commit e6933acfb0
62 changed files with 1009 additions and 299 deletions
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4
Kernel/library/simd_memset.cpp
View File

@ -42,10 +42,12 @@ EXTERNC void *memset_sse2(void *dest, int c, size_t n)
i = 0;
while (((size_t)dest + i) & (16 - 1) && i < n)
{
#if defined(__amd64__) || defined(__i386__)
asmv("stosb\n"
:
: "D"((size_t)dest + i),
"a"(c));
#endif
i++;
}
}
@ -68,9 +70,11 @@ EXTERNC void *memset_sse2(void *dest, int c, size_t n)
#endif
}
#if defined(__amd64__) || defined(__i386__)
asmv("rep stosb\n" ::"a"((size_t)(c)),
"D"(((size_t)dest) + i),
"c"(n - i));
#endif
i += n - i;
return (void *)(((size_t)dest) + i);

7
Kernel/library/simd_strlen.cpp
View File

@ -31,6 +31,7 @@ long unsigned __strlen(const char s[])
{
size_t ret = (size_t)s;
#if defined(__amd64__) || defined(__i386__)
asmv("._strlenLoop:"
"cmpb $0, 0(%1)\n"
"jz ._strlenExit\n"
@ -76,6 +77,7 @@ long unsigned __strlen(const char s[])
"._strlenExit:"
"mov %1, %0\n"
: "=r"(ret) : "0"(ret));
#endif
return ret - (size_t)s;
}
@ -107,7 +109,8 @@ long unsigned strlen_sse4_1(const char s[])
long unsigned strlen_sse4_2(const char s[])
{
size_t ret;
size_t ret = 0;
#if defined(__amd64__) || defined(__i386__)
asmv("mov $-16, %0\n"
"pxor %%xmm0, %%xmm0\n"
".strlen42Loop:"
@ -117,6 +120,6 @@ long unsigned strlen_sse4_2(const char s[])
"add %2, %0\n"
: "=a"(ret)
: "d"((size_t)s), "c"((size_t)s));
#endif
return ret;
}