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uboot-kirkwood: bump to upstream 2016.09.01

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Bump U-Boot for Kirkwood to upstream 2016.09.01. Local patches
cleaned up and reworked.

Signed-off-by: Paul Wassi <p.wassi@gmx.at>
This commit is contained in:
Paul Wassi 2016-10-26 11:14:47 +02:00 committed by John Crispin
parent d9c3727288
commit 705240eeb5
17 changed files with 52 additions and 385 deletions
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4
package/boot/uboot-kirkwood/Makefile
View file

@ -8,7 +8,7 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=u-boot
PKG_VERSION:=2014.10
PKG_VERSION:=2016.09.01
PKG_RELEASE:=1
PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(BUILD_VARIANT)/$(PKG_NAME)-$(PKG_VERSION)
@ -16,7 +16,7 @@ PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
PKG_SOURCE_URL:=\
http://mirror2.openwrt.org/sources \
ftp://ftp.denx.de/pub/u-boot
PKG_MD5SUM:=3ddcaee2f05b7c464778112ec83664b5
PKG_MD5SUM:=61c628f8034477c946e173ed174efeb4
PKG_TARGETS:=bin
PKG_LICENSE:=GPL-2.0 GPL-2.0+

96
package/boot/uboot-kirkwood/patches/0001-cosmetic-kirkwood-style-fixes-in-kwbimage.cfg-files.patch
View file

@ -1,96 +0,0 @@
From 76a9fed9e5580945827a82963ac7315186fd0ebe Mon Sep 17 00:00:00 2001
From: Luka Perkov <luka@openwrt.org>
Date: Mon, 11 Nov 2013 06:45:44 +0100
Subject: [PATCH 1/9] cosmetic: kirkwood: style fixes in kwbimage.cfg files
When diffing through the changes only the relevant changes
should be displayed.
Signed-off-by: Luka Perkov <luka@openwrt.org>
---
board/iomega/iconnect/kwbimage.cfg | 4 ++--
board/raidsonic/ib62x0/kwbimage.cfg | 22 +++++++++++-----------
2 files changed, 13 insertions(+), 13 deletions(-)
--- a/board/iomega/iconnect/kwbimage.cfg
+++ b/board/iomega/iconnect/kwbimage.cfg
@@ -20,7 +20,7 @@ NAND_PAGE_SIZE 0x0800
# Configure RGMII-0 interface pad voltage to 1.8V
DATA 0xffd100e0 0x1b1b1b9b
-#Dram initalization for SINGLE x16 CL=5 @ 400MHz
+# Dram initalization for SINGLE x16 CL=5 @ 400MHz
DATA 0xffd01400 0x43000c30 # DDR Configuration register
# bit13-0: 0xc30, (3120 DDR2 clks refresh rate)
# bit23-14: 0x0,
@@ -87,7 +87,7 @@ DATA 0xffd0141c 0x00000c52 # DDR Mode
# bit6-4: 0x4, CL=5
# bit7: 0x0, TestMode=0 normal
# bit8: 0x0, DLL reset=0 normal
-# bit11-9: 0x6, auto-precharge write recovery ????????????
+# bit11-9: 0x6, auto-precharge write recovery
# bit12: 0x0, PD must be zero
# bit31-13: 0x0, required
--- a/board/raidsonic/ib62x0/kwbimage.cfg
+++ b/board/raidsonic/ib62x0/kwbimage.cfg
@@ -11,7 +11,7 @@
#
# Boot Media configurations
-BOOT_FROM nand # change from nand to uart if building UART image
+BOOT_FROM nand
NAND_ECC_MODE default
NAND_PAGE_SIZE 0x0800
@@ -21,12 +21,12 @@ NAND_PAGE_SIZE 0x0800
# Configure RGMII-0 interface pad voltage to 1.8V
DATA 0xffd100e0 0x1b1b1b9b
-#Dram initalization for SINGLE x16 CL=5 @ 400MHz
+# Dram initalization for SINGLE x16 CL=5 @ 400MHz
DATA 0xffd01400 0x43000c30 # DDR Configuration register
# bit13-0: 0xc30, (3120 DDR2 clks refresh rate)
# bit23-14: 0x0,
-# bit24: 0x1, enable exit self refresh mode on DDR access
-# bit25: 0x1, required
+# bit24: 0x1, enable exit self refresh mode on DDR access
+# bit25: 0x1, required
# bit29-26: 0x0,
# bit31-30: 0x1,
@@ -64,10 +64,10 @@ DATA 0xffd01410 0x0000000c # DDR Address
# bit3-2: 11, Cs0size (1Gb)
# bit5-4: 00, Cs1width (x8)
# bit7-6: 11, Cs1size (1Gb)
-# bit9-8: 00, Cs2width (nonexistent
-# bit11-10: 00, Cs2size (nonexistent
-# bit13-12: 00, Cs3width (nonexistent
-# bit15-14: 00, Cs3size (nonexistent
+# bit9-8: 00, Cs2width (nonexistent)
+# bit11-10: 00, Cs2size (nonexistent)
+# bit13-12: 00, Cs3width (nonexistent)
+# bit15-14: 00, Cs3size (nonexistent)
# bit16: 0, Cs0AddrSel
# bit17: 0, Cs1AddrSel
# bit18: 0, Cs2AddrSel
@@ -88,7 +88,7 @@ DATA 0xffd0141c 0x00000c52 # DDR Mode
# bit6-4: 0x4, CL=5
# bit7: 0x0, TestMode=0 normal
# bit8: 0x0, DLL reset=0 normal
-# bit11-9: 0x6, auto-precharge write recovery ????????????
+# bit11-9: 0x6, auto-precharge write recovery
# bit12: 0x0, PD must be zero
# bit31-13: 0x0, required
@@ -148,8 +148,8 @@ DATA 0xffd0149c 0x0000e803 # CPU ODT Con
DATA 0xffd01480 0x00000001 # DDR Initialization Control
# bit0: 0x1, enable DDR init upon this register write
-DATA 0xFFD20134 0x66666666 # L2 RAM Timing 0 Register
-DATA 0xFFD20138 0x66666666 # L2 RAM Timing 1 Register
+DATA 0xffd20134 0x66666666 # L2 RAM Timing 0 Register
+DATA 0xffd20138 0x66666666 # L2 RAM Timing 1 Register
# End of Header extension
DATA 0x0 0x0

0
package/boot/uboot-kirkwood/patches/0004-kirkwood-ib62x0-add-CONFIG_SYS_GENERIC_BOARD-define.patch → package/boot/uboot-kirkwood/patches/0001-kirkwood-ib62x0-add-CONFIG_SYS_GENERIC_BOARD-define.patch
View file

32
package/boot/uboot-kirkwood/patches/0002-kirkwood-define-empty-CONFIG_MVGBE_PORTS-by-default.patch
View file

@ -1,32 +0,0 @@
From 292d4cf9257921912e8ea352687c977208e7553d Mon Sep 17 00:00:00 2001
From: Luka Perkov <luka@openwrt.org>
Date: Mon, 11 Nov 2013 07:27:53 +0100
Subject: [PATCH 2/9] kirkwood: define empty CONFIG_MVGBE_PORTS by default
Each board with defines it's own set of values. If we do not define
CONFIG_MVGBE_PORTS we will hit following error:
mvgbe.c: In function 'mvgbe_initialize':
mvgbe.c:700:34: error: 'CONFIG_MVGBE_PORTS' undeclared (first use in this function)
u8 used_ports[MAX_MVGBE_DEVS] = CONFIG_MVGBE_PORTS;
This patch fixes above described problem.
Signed-off-by: Luka Perkov <luka@openwrt.org>
---
drivers/net/mvgbe.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/drivers/net/mvgbe.c
+++ b/drivers/net/mvgbe.c
@@ -35,6 +35,10 @@
DECLARE_GLOBAL_DATA_PTR;
+#ifndef CONFIG_MVGBE_PORTS
+# define CONFIG_MVGBE_PORTS {0, 0}
+#endif
+
#define MV_PHY_ADR_REQUEST 0xee
#define MVGBE_SMI_REG (((struct mvgbe_registers *)MVGBE0_BASE)->smi)

0
package/boot/uboot-kirkwood/patches/0005-kirkwood-dockstar-add-CONFIG_SYS_GENERIC_BOARD-defin.patch → package/boot/uboot-kirkwood/patches/0002-kirkwood-dockstar-add-CONFIG_SYS_GENERIC_BOARD-defin.patch
View file

45
package/boot/uboot-kirkwood/patches/0003-ARM-kirkwood-fix-cpu-info-for-6282-device-id.patch
View file

@ -1,45 +0,0 @@
From fa0ece2cc571ba1ccb9d1e0a8d337417c032576e Mon Sep 17 00:00:00 2001
From: Luka Perkov <luka@openwrt.org>
Date: Mon, 23 Dec 2013 01:23:07 +0100
Subject: [PATCH 3/9] ARM: kirkwood: fix cpu info for 6282 device id
Signed-off-by: Luka Perkov <luka@openwrt.org>
CC: Prafulla Wadaskar <prafulla@marvell.com>
---
arch/arm/cpu/arm926ejs/kirkwood/cpu.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
--- a/arch/arm/cpu/arm926ejs/kirkwood/cpu.c
+++ b/arch/arm/cpu/arm926ejs/kirkwood/cpu.c
@@ -253,7 +253,7 @@ static void kw_sysrst_check(void)
#if defined(CONFIG_DISPLAY_CPUINFO)
int print_cpuinfo(void)
{
- char *rev;
+ char *rev = "??";
u16 devid = (readl(KW_REG_PCIE_DEVID) >> 16) & 0xffff;
u8 revid = readl(KW_REG_PCIE_REVID) & 0xff;
@@ -264,7 +264,13 @@ int print_cpuinfo(void)
switch (revid) {
case 0:
- rev = "Z0";
+ if (devid == 0x6281)
+ rev = "Z0";
+ else if (devid == 0x6282)
+ rev = "A0";
+ break;
+ case 1:
+ rev = "A1";
break;
case 2:
rev = "A0";
@@ -273,7 +279,6 @@ int print_cpuinfo(void)
rev = "A1";
break;
default:
- rev = "??";
break;
}

0
package/boot/uboot-kirkwood/patches/0006-kirkwood-goflexhome-add-CONFIG_SYS_GENERIC_BOARD-def.patch → package/boot/uboot-kirkwood/patches/0003-kirkwood-goflexhome-add-CONFIG_SYS_GENERIC_BOARD-def.patch
View file

0
package/boot/uboot-kirkwood/patches/0007-kirkwood-iconnect-add-CONFIG_SYS_GENERIC_BOARD-defin.patch → package/boot/uboot-kirkwood/patches/0004-kirkwood-iconnect-add-CONFIG_SYS_GENERIC_BOARD-defin.patch
View file

0
package/boot/uboot-kirkwood/patches/0008-kirkwood-pogo_e02-add-CONFIG_SYS_GENERIC_BOARD-defin.patch → package/boot/uboot-kirkwood/patches/0005-kirkwood-pogo_e02-add-CONFIG_SYS_GENERIC_BOARD-defin.patch
View file

0
package/boot/uboot-kirkwood/patches/0009-kirkwood-sheevaplug-add-CONFIG_SYS_GENERIC_BOARD-def.patch → package/boot/uboot-kirkwood/patches/0006-kirkwood-sheevaplug-add-CONFIG_SYS_GENERIC_BOARD-def.patch
View file

95
package/boot/uboot-kirkwood/patches/110-dockstar.patch
View file

@ -1,75 +1,20 @@
--- a/include/configs/dockstar.h
+++ b/include/configs/dockstar.h
@@ -17,20 +17,25 @@
/*
* Version number information
*/
-#define CONFIG_IDENT_STRING "\nSeagate FreeAgent DockStar"
+#define CONFIG_IDENT_STRING "Seagate FreeAgent DockStar"
/*
- * High Level Configuration Options (easy to change)
+ * High Level Configuration Options
*/
-#define CONFIG_FEROCEON_88FR131 1 /* CPU Core subversion */
-#define CONFIG_KW88F6281 1 /* SOC Name */
-#define CONFIG_MACH_DOCKSTAR /* Machine type */
+#define CONFIG_FEROCEON_88FR131 /* CPU Core subversion */
+#define CONFIG_KW88F6281 /* SOC Name */
#define CONFIG_SKIP_LOWLEVEL_INIT /* disable board lowlevel_init */
/*
+ * Machine type
+ */
+#define CONFIG_MACH_DOCKSTAR
+
+/*
@@ -31,6 +31,7 @@
* Commands configuration
*/
-#define CONFIG_SYS_NO_FLASH /* Declare no flash (NOR/SPI) */
+#define CONFIG_SYS_NO_FLASH /* declare no flash (NOR/SPI) */
#define CONFIG_SYS_NO_FLASH /* Declare no flash (NOR/SPI) */
+#define CONFIG_SYS_MVFS
#include <config_cmd_default.h>
#define CONFIG_CMD_DHCP
#define CONFIG_CMD_ENV
@@ -38,55 +43,52 @@
#define CONFIG_CMD_NAND
#define CONFIG_CMD_PING
#define CONFIG_CMD_USB
+
/*
* mv-common.h should be defined after CMD configs since it used them
* to enable certain macros
@@ -53,29 +54,29 @@
* it has to be rounded to sector size
*/
#include "mv-common.h"
-#undef CONFIG_SYS_PROMPT /* previously defined in mv-common.h */
-#define CONFIG_SYS_PROMPT "DockStar> " /* Command Prompt */
+#undef CONFIG_SYS_PROMPT
+#define CONFIG_SYS_PROMPT "dockstar => "
/*
- * Environment variables configurations
+ * Environment variables configuration
*/
#ifdef CONFIG_CMD_NAND
-#define CONFIG_ENV_IS_IN_NAND 1
-#define CONFIG_ENV_SECT_SIZE 0x20000 /* 128K */
+#define CONFIG_ENV_IS_IN_NAND
+#define CONFIG_ENV_SECT_SIZE 0x20000
#else
-#define CONFIG_ENV_IS_NOWHERE 1 /* if env in SDRAM */
+#define CONFIG_ENV_IS_NOWHERE
#endif
-/*
- * max 4k env size is enough, but in case of nand
- * it has to be rounded to sector size
- */
-#define CONFIG_ENV_SIZE 0x20000 /* 128k */
-#define CONFIG_ENV_ADDR 0x60000
-#define CONFIG_ENV_OFFSET 0x60000 /* env starts here */
+#define CONFIG_ENV_SIZE 0x20000
+#define CONFIG_ENV_OFFSET 0xe0000
#define CONFIG_ENV_SIZE 0x20000 /* 128k */
-#define CONFIG_ENV_ADDR 0x80000
-#define CONFIG_ENV_OFFSET 0x80000 /* env starts here */
+#define CONFIG_ENV_OFFSET 0xe0000 /* env starts here */
/*
* Default environment variables
@ -81,12 +26,11 @@
- "ubifsload 0x800000 ${kernel}; " \
- "ubifsload 0x1100000 ${initrd}; " \
- "bootm 0x800000 0x1100000"
-
-#define CONFIG_MTDPARTS "mtdparts=orion_nand:1m(uboot),-(root)\0"
+ "ubi part ubi; " \
+ "ubi read 0x800000 kernel; " \
+ "ubi part ubi; " \
+ "ubi read 0x800000 kernel; " \
+ "bootz 0x800000"
+
-#define CONFIG_MTDPARTS "mtdparts=orion_nand:1m(uboot),-(root)\0"
+#define CONFIG_MTDPARTS \
+ "mtdparts=orion_nand:" \
+ "0xe0000@0x0(uboot)," \
@ -107,17 +51,4 @@
+ "bootargs_root=\0"
/*
- * Ethernet Driver configuration
+ * Ethernet driver configuration
*/
#ifdef CONFIG_CMD_NET
#define CONFIG_MVGBE_PORTS {1, 0} /* enable port 0 only */
@@ -102,7 +110,7 @@
#define CONFIG_CMD_UBI
#define CONFIG_CMD_UBIFS
#define CONFIG_RBTREE
-#define CONFIG_MTD_DEVICE /* needed for mtdparts commands */
+#define CONFIG_MTD_DEVICE
#define CONFIG_MTD_PARTITIONS
#define CONFIG_CMD_MTDPARTS
#define CONFIG_LZO
* Ethernet Driver configuration

12
package/boot/uboot-kirkwood/patches/120-iconnect.patch
View file

@ -1,6 +1,6 @@
--- a/include/configs/iconnect.h
+++ b/include/configs/iconnect.h
@@ -66,30 +66,35 @@
@@ -59,30 +59,35 @@
#define CONFIG_ENV_IS_NOWHERE
#endif
#define CONFIG_ENV_SIZE 0x20000
@ -45,3 +45,13 @@
/*
* Ethernet driver configuration
--- a/configs/iconnect_defconfig
+++ b/configs/iconnect_defconfig
@@ -7,6 +7,7 @@ CONFIG_SYS_PROMPT="iconnect => "
# CONFIG_CMD_FLASH is not set
CONFIG_CMD_USB=y
# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_DHCP=y
CONFIG_CMD_MII=y
CONFIG_CMD_PING=y
CONFIG_CMD_EXT2=y

4
package/boot/uboot-kirkwood/patches/130-ib62x0.patch
View file

@ -1,6 +1,6 @@
--- a/include/configs/ib62x0.h
+++ b/include/configs/ib62x0.h
@@ -92,7 +92,8 @@
@@ -74,7 +74,8 @@
"mtdparts=orion_nand:" \
"0xe0000@0x0(uboot)," \
"0x20000@0xe0000(uboot_env)," \
@ -10,7 +10,7 @@
#define CONFIG_EXTRA_ENV_SETTINGS \
"console=console=ttyS0,115200\0" \
@@ -100,7 +101,7 @@
@@ -82,7 +83,7 @@
"mtdparts="CONFIG_MTDPARTS \
"kernel=/boot/zImage\0" \
"fdt=/boot/ib62x0.dtb\0" \

2
package/boot/uboot-kirkwood/patches/140-pogoplug_e02.patch
View file

@ -1,6 +1,6 @@
--- a/include/configs/pogo_e02.h
+++ b/include/configs/pogo_e02.h
@@ -63,23 +63,35 @@
@@ -54,23 +54,35 @@
#endif
#define CONFIG_ENV_SIZE 0x20000 /* 128k */

12
package/boot/uboot-kirkwood/patches/150-goflexhome.patch
View file

@ -1,8 +1,6 @@
Index: u-boot-2014.10/include/configs/goflexhome.h
===================================================================
--- u-boot-2014.10.orig/include/configs/goflexhome.h
+++ u-boot-2014.10/include/configs/goflexhome.h
@@ -96,20 +96,18 @@
--- a/include/configs/goflexhome.h
+++ b/include/configs/goflexhome.h
@@ -87,20 +87,18 @@
*/
#define CONFIG_BOOTCOMMAND \
"setenv bootargs ${console} ${mtdparts} ${bootargs_root}; " \
@ -10,8 +8,8 @@ Index: u-boot-2014.10/include/configs/goflexhome.h
- "ubifsmount ubi:root; " \
- "ubifsload 0x800000 ${kernel}; " \
- "bootm 0x800000"
+ "ubi part ubi; " \
+ "ubi read 0x800000 kernel; " \
+ "ubi part ubi; " \
+ "ubi read 0x800000 kernel; " \
+ "bootz 0x800000"
#define CONFIG_MTDPARTS \

48
package/boot/uboot-kirkwood/patches/200-openwrt-config.patch
View file

@ -1,8 +1,8 @@
--- a/arch/arm/cpu/arm926ejs/kirkwood/Kconfig
+++ b/arch/arm/cpu/arm926ejs/kirkwood/Kconfig
@@ -84,4 +84,7 @@ source "board/raidsonic/ib62x0/Kconfig"
source "board/Seagate/dockstar/Kconfig"
source "board/Seagate/goflexhome/Kconfig"
--- a/arch/arm/mach-kirkwood/Kconfig
+++ b/arch/arm/mach-kirkwood/Kconfig
@@ -74,4 +74,7 @@ source "board/Seagate/goflexhome/Kconfig
source "board/Seagate/nas220/Kconfig"
source "board/zyxel/nsa310s/Kconfig"
+config SECOND_STAGE
+ bool "OpenWrt second stage hack"
@ -10,7 +10,7 @@
endif
--- a/include/configs/dockstar.h
+++ b/include/configs/dockstar.h
@@ -115,4 +115,6 @@
@@ -98,4 +98,6 @@
#define CONFIG_CMD_MTDPARTS
#define CONFIG_LZO
@ -19,16 +19,16 @@
#endif /* _CONFIG_DOCKSTAR_H */
--- a/include/configs/ib62x0.h
+++ b/include/configs/ib62x0.h
@@ -145,4 +145,6 @@
#define CONFIG_MTD_PARTITIONS
#define CONFIG_CMD_MTDPARTS
@@ -114,4 +114,6 @@
#define CONFIG_RTC_MV
#endif /* CONFIG_CMD_DATE */
+#include "openwrt-kirkwood-common.h"
+
#endif /* _CONFIG_IB62x0_H */
--- a/include/configs/iconnect.h
+++ b/include/configs/iconnect.h
@@ -118,4 +118,6 @@
@@ -109,4 +109,6 @@
#define CONFIG_MTD_PARTITIONS
#define CONFIG_CMD_MTDPARTS
@ -37,7 +37,7 @@
#endif /* _CONFIG_ICONNECT_H */
--- /dev/null
+++ b/include/configs/openwrt-kirkwood-common.h
@@ -0,0 +1,52 @@
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2013 Luka Perkov <luka@openwrt.org>
+ *
@ -50,15 +50,6 @@
+/* Commands */
+#define CONFIG_CMD_BOOTZ
+
+#if defined(CONFIG_CMD_NET)
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_PING
+#endif
+
+/* Auto boot */
+#undef CONFIG_BOOTDELAY
+#define CONFIG_BOOTDELAY 3
+
+/* Ethernet */
+#if defined(CONFIG_CMD_NET)
+#define CONFIG_SERVERIP 192.168.1.2
@ -72,12 +63,9 @@
+#define CONFIG_ENV_IS_NOWHERE
+#endif
+
+/* Flattened Device Tree */
+#define CONFIG_OF_LIBFDT
+
+/* Flattened uImage Tree */
+#define CONFIG_FIT
+#define CONFIG_FIT_VERBOSE
+#define CONFIG_FIT 1
+#define CONFIG_FIT_VERBOSE 1
+
+/* Various */
+#define CONFIG_BZIP2
@ -92,7 +80,7 @@
+#endif /* __OPENWRT_KIRKWOOD_COMMON_H */
--- a/include/configs/pogo_e02.h
+++ b/include/configs/pogo_e02.h
@@ -115,4 +115,6 @@
@@ -104,4 +104,6 @@
#define CONFIG_CMD_MTDPARTS
#define CONFIG_LZO
@ -101,16 +89,16 @@
#endif /* _CONFIG_POGO_E02_H */
--- a/include/configs/sheevaplug.h
+++ b/include/configs/sheevaplug.h
@@ -143,4 +143,6 @@
#define CONFIG_CMD_MTDPARTS
#define CONFIG_LZO
@@ -109,4 +109,6 @@
#define CONFIG_SYS_ATA_IDE1_OFFSET MV_SATA_PORT1_OFFSET
#endif /* CONFIG_CMD_IDE */
+#include "openwrt-kirkwood-common.h"
+
#endif /* _CONFIG_SHEEVAPLUG_H */
--- a/include/configs/goflexhome.h
+++ b/include/configs/goflexhome.h
@@ -133,4 +133,6 @@
@@ -122,4 +122,6 @@
#define CONFIG_RTC_MV
#endif /* CONFIG_CMD_DATE */

87
package/boot/uboot-kirkwood/patches/400-gcc-5-compiler.patch
View file

@ -1,87 +0,0 @@
From: Hans de Goede <hdegoede@redhat.com>
Date: Sat, 7 Feb 2015 21:52:40 +0000 (+0100)
Subject: Add linux/compiler-gcc5.h to fix builds with gcc5
X-Git-Tag: v2015.04-rc2~31
X-Git-Url: http://git.denx.de/?p=u-boot.git;a=commitdiff_plain;h=478b02f1a7043b673565075ea5016376f3293b23
Add linux/compiler-gcc5.h to fix builds with gcc5
Add linux/compiler-gcc5/h from the kernel sources at:
commit 5631b8fba640a4ab2f8a954f63a603fa34eda96b
Author: Steven Noonan <steven@uplinklabs.net>
Date: Sat Oct 25 15:09:42 2014 -0700
compiler/gcc4+: Remove inaccurate comment about 'asm goto' miscompiles
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
--- /dev/null
+++ b/include/linux/compiler-gcc5.h
@@ -0,0 +1,65 @@
+#ifndef __LINUX_COMPILER_H
+#error "Please don't include <linux/compiler-gcc5.h> directly, include <linux/compiler.h> instead."
+#endif
+
+#define __used __attribute__((__used__))
+#define __must_check __attribute__((warn_unused_result))
+#define __compiler_offsetof(a, b) __builtin_offsetof(a, b)
+
+/* Mark functions as cold. gcc will assume any path leading to a call
+ to them will be unlikely. This means a lot of manual unlikely()s
+ are unnecessary now for any paths leading to the usual suspects
+ like BUG(), printk(), panic() etc. [but let's keep them for now for
+ older compilers]
+
+ Early snapshots of gcc 4.3 don't support this and we can't detect this
+ in the preprocessor, but we can live with this because they're unreleased.
+ Maketime probing would be overkill here.
+
+ gcc also has a __attribute__((__hot__)) to move hot functions into
+ a special section, but I don't see any sense in this right now in
+ the kernel context */
+#define __cold __attribute__((__cold__))
+
+#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
+
+#ifndef __CHECKER__
+# define __compiletime_warning(message) __attribute__((warning(message)))
+# define __compiletime_error(message) __attribute__((error(message)))
+#endif /* __CHECKER__ */
+
+/*
+ * Mark a position in code as unreachable. This can be used to
+ * suppress control flow warnings after asm blocks that transfer
+ * control elsewhere.
+ *
+ * Early snapshots of gcc 4.5 don't support this and we can't detect
+ * this in the preprocessor, but we can live with this because they're
+ * unreleased. Really, we need to have autoconf for the kernel.
+ */
+#define unreachable() __builtin_unreachable()
+
+/* Mark a function definition as prohibited from being cloned. */
+#define __noclone __attribute__((__noclone__))
+
+/*
+ * Tell the optimizer that something else uses this function or variable.
+ */
+#define __visible __attribute__((externally_visible))
+
+/*
+ * GCC 'asm goto' miscompiles certain code sequences:
+ *
+ * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
+ *
+ * Work it around via a compiler barrier quirk suggested by Jakub Jelinek.
+ *
+ * (asm goto is automatically volatile - the naming reflects this.)
+ */
+#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
+
+#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP
+#define __HAVE_BUILTIN_BSWAP32__
+#define __HAVE_BUILTIN_BSWAP64__
+#define __HAVE_BUILTIN_BSWAP16__
+#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */