Merge pull request #278 from kedder/master

Fix compilation of legacy linux-sunxi-3.4 kernel under zeus

README.md

@@ -29,6 +29,7 @@ If you want to switch back to sunxi versions for some reasons (no device tree av
 		PREFERRED_PROVIDER_u-boot="u-boot-sunxi"
 		PREFERRED_PROVIDER_virtual/bootloader="u-boot-sunxi"
 		PREFERRED_PROVIDER_virtual/kernel="linux-sunxi"
+		KERNEL_DEVICETREE = ""
 
 If you already have built the mainline versions it might be necessary to reset the build directories with:
 

recipes-bsp/u-boot/u-boot-sunxi.bb

@@ -20,8 +20,9 @@ UBOOT_MACHINE_meleg = "Mele_A1000G_config"
 
 SRC_URI = " \
 	git://github.com/linux-sunxi/u-boot-sunxi.git;protocol=git;branch=sunxi \
-	file://0002-gcc5-fixes.patch \
+	file://0001-gcc5-fixes.patch \
-	file://0003-gcc6-fixes.patch \
+	file://0002-gcc6-fixes.patch \
+	file://0003-No-gcc-version-specific-includes.patch \
 	"
 
 PE = "1"
@@ -35,3 +36,7 @@ S = "${WORKDIR}/git"
 PACKAGE_ARCH = "${MACHINE_ARCH}"
 
 SPL_BINARY="u-boot-sunxi-with-spl.bin"
+
+do_configure () {
+    oe_runmake -C ${S} O=${B} ${UBOOT_MACHINE}
+}

recipes-bsp/u-boot/u-boot-sunxi/0003-No-gcc-version-specific-includes.patch

@@ -0,0 +1,24 @@
+From bc4aa5814cbedbfaa1c79dfe7ea2571fee7f2d51 Mon Sep 17 00:00:00 2001
+From: Andrey Lebedev <andrey@lebedev.lt>
+Date: Wed, 22 Jan 2020 20:00:11 +0200
+Subject: [PATCH] No gcc version-specific includes
+
+In order to support gcc-5 and above. Fixes compilation errors like
+
+linux/compiler-gcc9.h: No such file or directory
+---
+ include/linux/compiler-gcc.h | 1 -
+ 1 file changed, 1 deletion(-)
+
+diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
+index 9896e547b9..5f0bd65f3a 100644
+--- a/include/linux/compiler-gcc.h
++++ b/include/linux/compiler-gcc.h
+@@ -90,4 +90,3 @@
+ #define __gcc_header(x) #x
+ #define _gcc_header(x) __gcc_header(linux/compiler-gcc##x.h)
+ #define gcc_header(x) _gcc_header(x)
+-#include gcc_header(__GNUC__)
+-- 
+2.20.1
+

recipes-kernel/linux/linux-sunxi/0004-arm-put-user-asm-fix.patch

@@ -0,0 +1,29 @@
+From 25a7e85eb0d58479f7d8895b1b29a648bd07d60e Mon Sep 17 00:00:00 2001
+From: Andrey Lebedev <andrey@lebedev.lt>
+Date: Mon, 20 Jan 2020 23:19:51 +0200
+Subject: [PATCH 2/2] Fix asm error in put_user under gcc version 8 and above
+
+Fixes these errors during compilation of linux-sunxi-3.4 kernel:
+/tmp/ccCGMQmS.s:648: Error: .err encountered
+
+Taken from https://patchwork.kernel.org/patch/10546809/
+---
+ arch/arm/include/asm/uaccess.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h
+index b04850fd..abfafbbf 100644
+--- a/arch/arm/include/asm/uaccess.h
++++ b/arch/arm/include/asm/uaccess.h
+@@ -159,7 +159,7 @@ extern int __put_user_8(void *, unsigned long long);
+ 	({								\
+ 		unsigned long __limit = current_thread_info()->addr_limit - 1; \
+ 		const typeof(*(p)) __user *__tmp_p = (p);		\
+-		register const typeof(*(p)) __r2 asm("r2") = (x);	\
++		register typeof(*(p)) __r2 asm("r2") = (x);		\
+ 		register const typeof(*(p)) __user *__p asm("r0") = __tmp_p; \
+ 		register unsigned long __l asm("r1") = __limit;		\
+ 		register int __e asm("r0");				\
+-- 
+2.20.1
+

recipes-kernel/linux/linux-sunxi/0005-silence-warning.patch

@@ -0,0 +1,25 @@
+From 302604ee4a2011871cb26deaf69d567cf57d0fe3 Mon Sep 17 00:00:00 2001
+From: Andrey Lebedev <andrey@lebedev.lt>
+Date: Mon, 20 Jan 2020 23:20:07 +0200
+Subject: [PATCH 1/2] Silence annoying warning
+
+---
+ include/linux/log2.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/include/linux/log2.h b/include/linux/log2.h
+index fd7ff3d9..14458fdd 100644
+--- a/include/linux/log2.h
++++ b/include/linux/log2.h
+@@ -18,7 +18,7 @@
+ /*
+  * deal with unrepresentable constant logarithms
+  */
+-extern __attribute__((const, noreturn))
++extern __attribute__((const))
+ int ____ilog2_NaN(void);
+ 
+ /*
+-- 
+2.20.1
+

recipes-kernel/linux/linux-sunxi_3.4.bb

@@ -14,9 +14,12 @@ MACHINE_KERNEL_PR_append = "a"
 SRC_URI += "git://github.com/linux-sunxi/linux-sunxi.git;branch=sunxi-3.4;protocol=git \
         file://0001-compiler-gcc-integrate-the-various-compiler-gcc-345-.patch \
         file://0002-use-static-inline-in-ARM-ftrace.patch \
-        file://0001-gcc5-fixes.patch \
+        file://0003-gcc5-fixes.patch \
+        file://0004-arm-put-user-asm-fix.patch \
+        file://0005-silence-warning.patch \
         file://defconfig \
         "
+LIC_FILES_CHKSUM = "file://COPYING;md5=d7810fab7487fb0aad327b76f1be7cd7"
 
 S = "${WORKDIR}/git"