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authorRichard Qin <richard.qin.x@gmail.com>2026-07-10 11:31:46 +0800
committerRichard Qin <richard.qin.x@gmail.com>2026-07-10 11:31:46 +0800
commite90b72ec3082588b296956730bd2930cf8d5d671 (patch)
tree36ff6916af9b4176ea5a9662219d11e721f0b691 /na/lib/string/x86_64/memset.s
parent1767d390fbf3d0c65389de46caf0b6d43ef3b6ad (diff)
downloadlume-e90b72ec3082588b296956730bd2930cf8d5d671.tar.gz
lume-e90b72ec3082588b296956730bd2930cf8d5d671.tar.xz
refactor: promote new architecture to repository root
Archive the deprecated implementation under lume-legacy, make the new kernel the default root-level build, and update repository entry points without changing kernel behavior.
Diffstat (limited to 'na/lib/string/x86_64/memset.s')
-rw-r--r--na/lib/string/x86_64/memset.s72
1 files changed, 0 insertions, 72 deletions
diff --git a/na/lib/string/x86_64/memset.s b/na/lib/string/x86_64/memset.s
deleted file mode 100644
index 2d3f5e5..0000000
--- a/na/lib/string/x86_64/memset.s
+++ /dev/null
@@ -1,72 +0,0 @@
-.global memset
-.type memset,@function
-memset:
- movzbq %sil,%rax
- mov $0x101010101010101,%r8
- imul %r8,%rax
-
- cmp $126,%rdx
- ja 2f
-
- test %edx,%edx
- jz 1f
-
- mov %sil,(%rdi)
- mov %sil,-1(%rdi,%rdx)
- cmp $2,%edx
- jbe 1f
-
- mov %ax,1(%rdi)
- mov %ax,(-1-2)(%rdi,%rdx)
- cmp $6,%edx
- jbe 1f
-
- mov %eax,(1+2)(%rdi)
- mov %eax,(-1-2-4)(%rdi,%rdx)
- cmp $14,%edx
- jbe 1f
-
- mov %rax,(1+2+4)(%rdi)
- mov %rax,(-1-2-4-8)(%rdi,%rdx)
- cmp $30,%edx
- jbe 1f
-
- mov %rax,(1+2+4+8)(%rdi)
- mov %rax,(1+2+4+8+8)(%rdi)
- mov %rax,(-1-2-4-8-16)(%rdi,%rdx)
- mov %rax,(-1-2-4-8-8)(%rdi,%rdx)
- cmp $62,%edx
- jbe 1f
-
- mov %rax,(1+2+4+8+16)(%rdi)
- mov %rax,(1+2+4+8+16+8)(%rdi)
- mov %rax,(1+2+4+8+16+16)(%rdi)
- mov %rax,(1+2+4+8+16+24)(%rdi)
- mov %rax,(-1-2-4-8-16-32)(%rdi,%rdx)
- mov %rax,(-1-2-4-8-16-24)(%rdi,%rdx)
- mov %rax,(-1-2-4-8-16-16)(%rdi,%rdx)
- mov %rax,(-1-2-4-8-16-8)(%rdi,%rdx)
-
-1: mov %rdi,%rax
- ret
-
-2: test $15,%edi
- mov %rdi,%r8
- mov %rax,-8(%rdi,%rdx)
- mov %rdx,%rcx
- jnz 2f
-
-1: shr $3,%rcx
- rep
- stosq
- mov %r8,%rax
- ret
-
-2: xor %edx,%edx
- sub %edi,%edx
- and $15,%edx
- mov %rax,(%rdi)
- mov %rax,8(%rdi)
- sub %rdx,%rcx
- add %rdx,%rdi
- jmp 1b