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, 0 insertions, 110 deletions

diff --git a/na/scripts/Kbuild.include b/na/scripts/Kbuild.include
deleted file mode 100644
index 76466bd..0000000
--- a/na/scripts/Kbuild.include
+++ /dev/null
@@ -1,110 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
-# Copyright (C) 2026 Richard Qin
-#
-# scripts/Kbuild.include — shared Make helpers for LumeOS.
-#
-# Mirrors a small, useful subset of Linux's scripts/Kbuild.include.
-# Provides:
-#
-#   - Q / KBUILD_VERBOSE        : `make V=1` shows full commands,
-#                                  default V=0 prints a one-line summary
-#   - $(call cmd,<name>)        : echo a quiet summary, then run cmd_<name>
-#   - $(call if_changed,<name>) : currently a thin alias for $(cmd) —
-#                                  no .cmd-file hashing yet (Linux's full
-#                                  if_changed uses fixdep to detect both
-#                                  recipe-text and header changes; LumeOS
-#                                  relies on `-MMD -MP` for headers and
-#                                  on `make clean` for flag changes).
-#   - $(call kbuild-objs,...)   : translate Kbuild-style `obj-y := foo.o`
-#                                  entries into SRCS_C / SRCS_CC.
-#
-# Naming convention adopted from Linux: each command has both a
-# `quiet_cmd_<name>` (single-line summary) and a `cmd_<name>` (full
-# command line).  $(quiet) selects which prefix to display:
-#   V=0  ->  quiet := quiet_   ->  echoes "  CC  foo.c"
-#   V=1  ->  quiet :=          ->  echoes the full $(CC) $(CFLAGS) ...
-# ----------------------------------------------------------------------
-
-# --- Verbosity ---------------------------------------------------------
-# Override at the command line: `make V=1`.  Default V=0 = quiet.
-KBUILD_VERBOSE ?= $(V)
-KBUILD_VERBOSE ?= 0
-
-ifeq ($(KBUILD_VERBOSE),1)
-    Q :=
-    quiet :=
-else
-    Q := @
-    quiet := quiet_
-endif
-
-# --- echo-cmd / cmd / if_changed ---------------------------------------
-#
-# echo-cmd prints the recipe's one-line summary (when quiet) or its full
-# command line (when verbose).  Implementation uses $($(quiet)cmd_<name>)
-# so the right form is picked up automatically.
-#
-# cmd is the workhorse: print summary, then execute the real command.
-echo-cmd = $(if $($(quiet)cmd_$(1)),echo '  $($(quiet)cmd_$(1))';)
-
-cmd = @$(echo-cmd) $(cmd_$(1))
-
-# if_changed currently degenerates to `cmd` — full Linux semantics
-# require tracking the command-line via per-target .<file>.cmd files
-# and comparing on every rebuild, which needs fixdep.  Until LumeOS
-# grows that infrastructure, `make clean` after editing CFLAGS suffices.
-if_changed = $(cmd)
-
-# --- Standard quiet_cmd_* / cmd_* templates ---------------------------
-#
-# Subdir Makefiles and the top-level Makefile can reference these by
-# name via $(call cmd,<name>).  Add new pairs here as new recipe shapes
-# show up (e.g., cmd_lz / cmd_gz / cmd_zstd for compressed Image targets).
-
-   quiet_cmd_cc_o_c   = CC      $<
-         cmd_cc_o_c   = $(CC) $(CFLAGS_LIBC) -c $< -o $@
-
-   quiet_cmd_cxx_o_cc = CXX     $<
-         cmd_cxx_o_cc = $(CXX) $(CXXFLAGS) -c $< -o $@
-
-   quiet_cmd_as_o_S   = AS      $<
-         cmd_as_o_S   = $(CC) $(ASFLAGS) -c $< -o $@
-
-   quiet_cmd_cc_s_c   = CC -S   $<
-         cmd_cc_s_c   = $(CC) $(CFLAGS_LIBC) -S $< -o $@
-
-   quiet_cmd_objcopy_bin = OBJCOPY $@
-         cmd_objcopy_bin = $(OBJCOPY) -O binary $< $@
-
-# Objcopy with custom flags via per-target OBJCOPYFLAGS variable —
-# used by the .pi.o post-processing rule (--prefix-symbols=__pi_ etc.).
-   quiet_cmd_objcopy  = OBJCOPY $@
-         cmd_objcopy  = $(OBJCOPY) $(OBJCOPYFLAGS) $< $@
-
-   quiet_cmd_ld_kernel = LD      $@
-         cmd_ld_kernel = $(LD) $(LDFLAGS) -T $(LINKER_SCRIPT) -o $@ $^
-
-# --- kbuild-objs: obj-y -> SRCS_C / SRCS_CC ---------------------------
-#
-# Usage from a subdir Makefile (e.g. arch/riscv/kernel/pi/Makefile):
-#
-#     obj-dir := arch/riscv/kernel/pi
-#     obj-y   := fdt_early.pi.o cmdline_early.pi.o archrandom_early.pi.o
-#     $(eval $(call kbuild-objs,$(obj-dir),$(obj-y:.pi.o=.o)))
-#
-# For each <name>.o entry, looks up <dir>/<name>.cc first, then
-# <dir>/<name>.c, and appends to SRCS_CC / SRCS_C respectively.
-# Pure .pi.o entries should be passed through `:.pi.o=.o` first by the
-# caller so the .pi suffix doesn't confuse the source-file lookup.
-
-define _kbuild-find-src
-$(if $(wildcard $(1)/$(basename $(2)).cc),\
-  $(eval SRCS_CC += $(1)/$(basename $(2)).cc),\
-  $(if $(wildcard $(1)/$(basename $(2)).c),\
-    $(eval SRCS_C += $(1)/$(basename $(2)).c),\
-    $(error kbuild-objs: no $(1)/$(basename $(2)).{c,cc} for obj $(2))))
-endef
-
-define kbuild-objs
-$(foreach _obj,$(2),$(call _kbuild-find-src,$(1),$(_obj)))
-endef