From 254ffbc869c2376e77ecc298dfd396f077e9d58a Mon Sep 17 00:00:00 2001
From: stefan <stefan@s00.xyz>
Date: Fri, 31 Mar 2023 20:10:19 -0400
Subject: start of makefile

---
 Makefile | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 Makefile

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..3c2a981
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,30 @@
+TARGET?=virt
+CROSS_COMPILE?=riscv64-unknown-elf- 
+
+BUILDDIR=build/${TARGET}
+TARGETDIR=mainboard/${TARGET}
+
+CFLAGS=-nostdlib -ffreestanding -mcmodel=medany
+
+.if !exists(${TARGETDIR}/conf/mainboard.mk)
+.error 'ERROR: invalid target "${TARGET}"'
+.else
+.include <${TARGETDIR}/conf/mainboard.mk>
+.endif
+
+all: ${BUILDDIR}/kernel.elf 
+
+clean:
+	rm -rf ${BUILDDIR}
+
+${BUILDDIR}/kernel.elf: ${SRC}
+	mkdir -p ${BUILDDIR}
+	${CROSS_COMPILE}gcc ${SRC} \
+		-Wl,--defsym=LOAD_ADDR=${LOAD_ADDR}\
+		-Wl,--defsym=PAGE_SIZE=${PAGE_SIZE}\
+		-Wl,--defsym=NPROC=${NPROC}\
+		-DPAGE_SIZE=${PAGE_SIZE}\
+		${CFLAGS} -T kernel/lds/kernel.ld ${LDFLAGS}\
+		-o $@
+
+.PHONY: all clean
-- 
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