Merge pull request #379 from shzhxh/master

修改Makefile以减小测试镜像的大小;添加星光开发板所需的二进制以优化编译步骤

Makefile

@@ -2,6 +2,9 @@
 
 ARCH ?= x86_64
 
+STRIP := $(ARCH)-linux-musl-strip
+export PATH=$(shell printenv PATH):$(CURDIR)/ignored/target/$(ARCH)/$(ARCH)-linux-musl-cross/bin/
+
 .PHONY: help zircon-init update rootfs libc-test other-test image check doc clean
 
 # print top level help
@@ -23,6 +26,8 @@ rootfs:
 # put libc tests into rootfs
 libc-test:
 	cargo libc-test --arch $(ARCH)
+	find rootfs/$(ARCH)/libc-test -type f \
+	       -name "*so" -o -name "*exe" -exec $(STRIP) {} \; 
 
 # put other tests into rootfs
 other-test:

docs/README-visionfive.md

@@ -132,13 +132,13 @@ saveenv # 保存配置到 flash，之后就不再需要配置
 # 2. 使用以下命令编译 dtb
 cpp -nostdinc -I include -undef -x assembler-with-cpp starfive_vic7100_evb.dts starfive.dts.0
 
-dtc -o starfive.dtb starfive.dts.0
+dtc -o starfive.dtb starfive.dts.0	# 预编译的starfive.dtb已放在prebuilt目录
 
 # 3. 压缩内核镜像到 `z.bin.gz`
 gzip -9 -cvf z.bin > z.bin.gz
 
 # 4. 制作 itb 文件
-mkimage -f zcore-starfive.its z.itb
+mkimage -f zcore-starfive.its z.itb	# zcore-starfive.its即prebuilt目录下的starfive_fdt.its，故也可使用mkimage -f prebuilt/firmware/riscv/starfive_fdt.its z.itb达到相同的效果
 
 下面是 zcore-starfive.its 内容
 --------------------------------------------------------------------

prebuilt/firmware/riscv/starfive_fdt.its

@@ -0,0 +1,39 @@
+/*
+ * U-Boot uImage source file for "zCore-visionfive"
+ */
+
+/dts-v1/;
+
+/ {
+    description = "U-Boot uImage source file for zCore-visionfive";
+    #address-cells = <1>;
+
+    images {
+        kernel {
+            description = "Linux kernel for zCore-visionfive";
+            data = /incbin/("../../../zcore.bin.gz");
+            type = "kernel";
+            arch = "riscv";
+            os = "linux";
+            compression = "gzip";
+            load = <0x80200000>;
+            entry = <0x80200000>;
+        };
+        fdt {
+            description = "Flattened Device Tree blob for zCore-visionfive";
+            data = /incbin/("./starfive.dtb");
+            type = "flat_dt";
+            arch = "riscv";
+            compression = "none";
+        };
+    };
+
+    configurations {
+        default = "conf";
+        conf {
+            description = "Boot Linux kernel with FDT blob";
+            kernel = "kernel";
+            fdt = "fdt";
+        };
+    };
+};