From b93251d1661fe46fc4c02be7885675eaf3e90858 Mon Sep 17 00:00:00 2001
From: "Ian M." <ian@aptel.org>
Date: Fri, 18 Sep 2026 02:22:24 +0000
Subject: initial commit

Signed-off-by: Ian M. <ian@aptel.org>
---
 mk/atos.mk | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 mk/atos.mk

(limited to 'mk/atos.mk')

diff --git a/mk/atos.mk b/mk/atos.mk
new file mode 100644
index 0000000..fb5d98c
--- /dev/null
+++ b/mk/atos.mk
@@ -0,0 +1,39 @@
+#
+# Copyright (c) 2026, Apollo Telephone Laboratories.
+# Provided under the BSD-3 clause.
+#
+
+.SILENT:
+
+PROMPT = printf "%s\t\t%s\n"
+
+ifeq ($(CONFIG_ARCH),rv64)
+	CC_TARGET = riscv64-unknown-elf
+else
+	CC_TARGET =
+endif
+
+CC =		\
+	clang
+LD =		\
+	ld.lld
+OBJCOPY =	\
+	llvm-objcopy
+
+INTERNAL_CFLAGS =				\
+	-Wall						\
+	-pedantic					\
+	-MMD						\
+	-nostdlib					\
+	-nostdinc					\
+	-ffreestanding				\
+	-D_KERNEL					\
+	-D_ARCH='"$(CONFIG_ARCH)"'	\
+	-D_CHIP='"$(CONFIG_CHIP)"'	\
+	-target $(CC_TARGET)
+
+ifeq ($(CONFIG_ARCH),rv64)
+	INTERNAL_CFLAGS +=	\
+		-mabi=lp64d		\
+		-mcmodel=medany
+endif
-- 
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