Raspberry Pi backend now builds.

plat/rpi/build-pkg.lua

@@ -0,0 +1,25 @@
+include("plat/build.lua")
+
+ackfile {
+	name = "boot",
+	srcs = { "./boot.s" },
+	vars = { plat = "rpi" }
+}
+
+build_plat_libs {
+	name = "libs",
+	arch = "vc4",
+	plat = "rpi",
+}
+
+installable {
+	name = "pkg",
+	map = {
+		"+tools",
+		"+libs",
+        "./include+pkg",
+		["$(PLATIND)/rpi/boot.o"] = "+boot",
+        ["$(PLATIND)/rpi/libsys.a"] = "./libsys+lib",
+	}
+}
+

plat/rpi/build-tools.lua

@@ -0,0 +1,21 @@
+include("plat/build.lua")
+
+build_as {
+	name = "as",
+	arch = "vc4",
+}
+
+build_ncg {
+	name = "ncg",
+	arch = "vc4",
+}
+
+return installable {
+	name = "tools",
+	map = {
+		["$(PLATDEP)/rpi/as"] = "+as",
+		["$(PLATDEP)/rpi/ncg"] = "+ncg",
+		["$(PLATIND)/descr/rpi"] = "./descr",
+		"util/opt+pkg",
+	}
+}

plat/rpi/include/build.lua

@@ -0,0 +1,27 @@
+include("plat/build.lua")
+
+headermap = {}
+packagemap = {}
+
+local function addheader(h)
+	headermap[h] = "./"..h
+	packagemap["$(PLATIND)/rpi/include/"..h] = "./"..h
+end
+
+addheader("ack/config.h")
+addheader("pi.h")
+addheader("sys/select.h")
+addheader("termios.h")
+addheader("unistd.h")
+
+acklibrary {
+	name = "headers",
+	hdrs = headermap
+}
+
+installable {
+	name = "pkg",
+	map = packagemap
+}
+
+

plat/rpi/libsys/build.lua

@@ -0,0 +1,15 @@
+acklibrary {
+    name = "lib",
+    srcs = {
+        "./*.c",
+        "./*.s",
+    },
+	deps = {
+		"lang/cem/libcc.ansi/headers+headers",
+		"plat/rpi/include+headers",
+	},
+    vars = {
+        plat = "rpi"
+    }
+}
+