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.

1 files changed, 85 insertions, 0 deletions

diff --git a/lume-legacy/include/kernel/syscall.h b/lume-legacy/include/kernel/syscall.h
new file mode 100644
index 0000000..3594c08
--- /dev/null
+++ b/lume-legacy/include/kernel/syscall.h
@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2026 Richard Qin
+ * Lume OS - Linux Compatibility Layer
+ *
+ * Strictly aligned with Linux RISC-V 64 ABI (asm-generic)
+ * Reference: linux/usr/include/asm-generic/unistd.h
+ */
+
+#pragma once
+
+// File System
+#define SYS_getcwd 17
+#define SYS_dup 23
+#define SYS_dup3 24
+#define SYS_fcntl 25
+#define SYS_ioctl 29
+#define SYS_mknodat 33
+#define SYS_mkdirat 34
+#define SYS_unlinkat 35
+#define SYS_linkat 37
+#define SYS_umount2 39
+#define SYS_mount 40
+#define SYS_statfs 43
+#define SYS_ftruncate 46
+#define SYS_faccessat 48
+#define SYS_chdir 49
+#define SYS_fchmod 52
+#define SYS_fchmodat 53
+#define SYS_fchownat 54
+#define SYS_openat 56
+#define SYS_close 57
+#define SYS_vhangup 58
+#define SYS_pipe2 59
+#define SYS_getdents64 61
+#define SYS_lseek 62
+#define SYS_read 63
+#define SYS_write 64
+#define SYS_readv 65
+#define SYS_writev 66
+#define SYS_pread64 67
+#define SYS_pwrite64 68
+#define SYS_pselect6 72
+#define SYS_ppoll 73
+#define SYS_readlinkat 78
+#define SYS_fstatat 79 // newfstatat
+#define SYS_fstat 80
+
+// Process Management
+#define SYS_exit 93
+#define SYS_exit_group 94
+#define SYS_set_tid_address 96
+#define SYS_nanosleep 101
+#define SYS_kill 129
+#define SYS_rt_sigaction 134
+#define SYS_times 153
+#define SYS_uname 160
+#define SYS_gettimeofday 169
+#define SYS_getpid 172
+#define SYS_getppid 173
+#define SYS_getuid 174
+#define SYS_geteuid 175
+#define SYS_getgid 176
+#define SYS_getegid 177
+#define SYS_sysinfo 179
+#define SYS_brk 214
+#define SYS_munmap 215
+#define SYS_mremap 216
+#define SYS_clone 220
+#define SYS_execve 221
+#define SYS_mmap 222
+#define SYS_wait4 260
+#define SYS_prlimit64 261
+
+// System
+#define SYS_reboot 142 // Used for shutdown
+
+// === Custom / Debug (Non-Standard) ===
+// Placed above 1000 to avoid conflicts with Linux ABI
+#define SYS_putc 1000
+#define SYS_disk_test 1001
+
+#ifndef __ASSEMBLER__
+void syscall();
+#endif
\ No newline at end of file