restructure for spm

Src/Hyperion-kernel/lib/modules/Hyperion/11_require.kmod

@@ -0,0 +1,43 @@
+--:Minify:--
+local kernel = ...
+local cache = {}
+local searchpaths = {
+    "/lib/?.lua",
+    "/lib/?",
+    "/usr/lib/?.lua",
+    "/usr/lib/?",
+    "/usr/local/lib/?.lua",
+    "/usr/local/lib/?",
+    "?.lua",
+    "?"
+}
+
+function require(module,...)
+    if cache[module] then
+        return cache[module]
+    end
+    local modpath = module:gsub("%.", "/")
+    local failed = {}
+    for _, path in ipairs(searchpaths) do
+        local full_path = string.gsub(path, "%?", modpath)
+        if full_path:sub(1,1)~="/" then
+            full_path=kernel.currentTask.cwd..full_path
+        end
+        if kernel.vfs.exists(full_path) then
+            if kernel.vfs.type(full_path)=="directory" then
+                full_path = full_path .. "/init"
+            end
+            if kernel.vfs.exists(full_path) then
+                local handle = kernel.vfs.open(full_path, "r")
+                local file_content = kernel.vfs.read(handle, 1024 * 1024 * 4)
+                kernel.vfs.close(handle)
+                return assert(load(file_content, full_path, "t", kernel._U))(...)
+            else
+                table.insert(failed, full_path)
+            end
+        else
+            table.insert(failed, full_path)
+        end
+    end
+    error("Module not found: " .. module .. " (searched paths: " .. table.concat(failed, ", ") .. ")")
+end