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4 files changed, 266 insertions, 0 deletions
diff --git a/package/boot/uboot-imx6/patches/001-gcc-5-compiler.patch b/package/boot/uboot-imx6/patches/001-gcc-5-compiler.patch new file mode 100644 index 0000000000..8724927402 --- /dev/null +++ b/package/boot/uboot-imx6/patches/001-gcc-5-compiler.patch @@ -0,0 +1,87 @@ +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 */ diff --git a/package/boot/uboot-imx6/patches/002-use-static-inline.patch b/package/boot/uboot-imx6/patches/002-use-static-inline.patch new file mode 100644 index 0000000000..ca77482910 --- /dev/null +++ b/package/boot/uboot-imx6/patches/002-use-static-inline.patch @@ -0,0 +1,72 @@ +From: Jeroen Hofstee <jeroen@myspectrum.nl> +Date: Sun, 22 Jun 2014 21:10:39 +0000 (+0200) +Subject: ARM:asm:io.h use static inline +X-Git-Tag: v2014.10-rc2~47 +X-Git-Url: http://git.denx.de/?p=u-boot.git;a=commitdiff_plain;h=8863aa5c984460ce1112d8db895cbf8b13a6ac9d + +ARM:asm:io.h use static inline + +When compiling u-boot with W=1 the extern inline void for +read* is likely causing the most noise. gcc / clang will +warn there is never a actual declaration for these functions. +Instead of declaring these extern make them static inline so +it is actually declared. + +cc: Albert ARIBAUD <albert.u.boot@aribaud.net> +Signed-off-by: Jeroen Hofstee <jeroen@myspectrum.nl> +--- + +--- a/arch/arm/include/asm/io.h ++++ b/arch/arm/include/asm/io.h +@@ -75,7 +75,7 @@ static inline phys_addr_t virt_to_phys(v + #define __arch_putw(v,a) (*(volatile unsigned short *)(a) = (v)) + #define __arch_putl(v,a) (*(volatile unsigned int *)(a) = (v)) + +-extern inline void __raw_writesb(unsigned long addr, const void *data, ++static inline void __raw_writesb(unsigned long addr, const void *data, + int bytelen) + { + uint8_t *buf = (uint8_t *)data; +@@ -83,7 +83,7 @@ extern inline void __raw_writesb(unsigne + __arch_putb(*buf++, addr); + } + +-extern inline void __raw_writesw(unsigned long addr, const void *data, ++static inline void __raw_writesw(unsigned long addr, const void *data, + int wordlen) + { + uint16_t *buf = (uint16_t *)data; +@@ -91,7 +91,7 @@ extern inline void __raw_writesw(unsigne + __arch_putw(*buf++, addr); + } + +-extern inline void __raw_writesl(unsigned long addr, const void *data, ++static inline void __raw_writesl(unsigned long addr, const void *data, + int longlen) + { + uint32_t *buf = (uint32_t *)data; +@@ -99,21 +99,21 @@ extern inline void __raw_writesl(unsigne + __arch_putl(*buf++, addr); + } + +-extern inline void __raw_readsb(unsigned long addr, void *data, int bytelen) ++static inline void __raw_readsb(unsigned long addr, void *data, int bytelen) + { + uint8_t *buf = (uint8_t *)data; + while(bytelen--) + *buf++ = __arch_getb(addr); + } + +-extern inline void __raw_readsw(unsigned long addr, void *data, int wordlen) ++static inline void __raw_readsw(unsigned long addr, void *data, int wordlen) + { + uint16_t *buf = (uint16_t *)data; + while(wordlen--) + *buf++ = __arch_getw(addr); + } + +-extern inline void __raw_readsl(unsigned long addr, void *data, int longlen) ++static inline void __raw_readsl(unsigned long addr, void *data, int longlen) + { + uint32_t *buf = (uint32_t *)data; + while(longlen--) diff --git a/package/boot/uboot-imx6/patches/003-use-weak-in-board.patch b/package/boot/uboot-imx6/patches/003-use-weak-in-board.patch new file mode 100644 index 0000000000..afb8c96e5b --- /dev/null +++ b/package/boot/uboot-imx6/patches/003-use-weak-in-board.patch @@ -0,0 +1,80 @@ +From: Jeroen Hofstee <jeroen@myspectrum.nl> +Date: Wed, 8 Oct 2014 20:57:21 +0000 (+0200) +Subject: arm: board: use __weak +X-Git-Tag: v2015.01-rc1~176 +X-Git-Url: http://git.denx.de/?p=u-boot.git;a=commitdiff_plain;h=8590c800ee60e46f15d6085e3c1fed0d6881fc62 + +arm: board: use __weak + +Signed-off-by: Jeroen Hofstee <jeroen@myspectrum.nl> +Acked-by: Albert ARIBAUD <albert.u.boot@aribaud.net> +--- + +--- a/arch/arm/lib/board.c ++++ b/arch/arm/lib/board.c +@@ -63,25 +63,15 @@ extern void dataflash_print_info(void); + ************************************************************************ + * May be supplied by boards if desired + */ +-inline void __coloured_LED_init(void) {} +-void coloured_LED_init(void) +- __attribute__((weak, alias("__coloured_LED_init"))); +-inline void __red_led_on(void) {} +-void red_led_on(void) __attribute__((weak, alias("__red_led_on"))); +-inline void __red_led_off(void) {} +-void red_led_off(void) __attribute__((weak, alias("__red_led_off"))); +-inline void __green_led_on(void) {} +-void green_led_on(void) __attribute__((weak, alias("__green_led_on"))); +-inline void __green_led_off(void) {} +-void green_led_off(void) __attribute__((weak, alias("__green_led_off"))); +-inline void __yellow_led_on(void) {} +-void yellow_led_on(void) __attribute__((weak, alias("__yellow_led_on"))); +-inline void __yellow_led_off(void) {} +-void yellow_led_off(void) __attribute__((weak, alias("__yellow_led_off"))); +-inline void __blue_led_on(void) {} +-void blue_led_on(void) __attribute__((weak, alias("__blue_led_on"))); +-inline void __blue_led_off(void) {} +-void blue_led_off(void) __attribute__((weak, alias("__blue_led_off"))); ++__weak void coloured_LED_init(void) {} ++__weak void red_led_on(void) {} ++__weak void red_led_off(void) {} ++__weak void green_led_on(void) {} ++__weak void green_led_off(void) {} ++__weak void yellow_led_on(void) {} ++__weak void yellow_led_off(void) {} ++__weak void blue_led_on(void) {} ++__weak void blue_led_off(void) {} + + /* + ************************************************************************ +@@ -198,27 +188,21 @@ static int arm_pci_init(void) + */ + typedef int (init_fnc_t) (void); + +-void __dram_init_banksize(void) ++__weak void dram_init_banksize(void) + { + gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; + gd->bd->bi_dram[0].size = gd->ram_size; + } +-void dram_init_banksize(void) +- __attribute__((weak, alias("__dram_init_banksize"))); + +-int __arch_cpu_init(void) ++__weak int arch_cpu_init(void) + { + return 0; + } +-int arch_cpu_init(void) +- __attribute__((weak, alias("__arch_cpu_init"))); + +-int __power_init_board(void) ++__weak int power_init_board(void) + { + return 0; + } +-int power_init_board(void) +- __attribute__((weak, alias("__power_init_board"))); + + /* Record the board_init_f() bootstage (after arch_cpu_init()) */ + static int mark_bootstage(void) diff --git a/package/boot/uboot-imx6/patches/004-use-weak-in-main.patch b/package/boot/uboot-imx6/patches/004-use-weak-in-main.patch new file mode 100644 index 0000000000..07c197fc17 --- /dev/null +++ b/package/boot/uboot-imx6/patches/004-use-weak-in-main.patch @@ -0,0 +1,27 @@ +From: Jeroen Hofstee <jeroen@myspectrum.nl> +Date: Thu, 26 Jun 2014 18:18:31 +0000 (+0200) +Subject: common: main.c: make show_boot_progress __weak +X-Git-Tag: v2014.10-rc1~130 +X-Git-Url: http://git.denx.de/?p=u-boot.git;a=commitdiff_plain;h=3422299dc28fa8257677d03cc1253e3c9bf17e9f + +common: main.c: make show_boot_progress __weak + +This not only looks a bit better it also prevents a +warning with W=1 (no previous prototype). + +Signed-off-by: Jeroen Hofstee <jeroen@myspectrum.nl> +Acked-by: Simon Glass <sjg@chromium.org> +--- + +--- a/common/main.c ++++ b/common/main.c +@@ -27,8 +27,7 @@ DECLARE_GLOBAL_DATA_PTR; + /* + * Board-specific Platform code can reimplement show_boot_progress () if needed + */ +-void inline __show_boot_progress (int val) {} +-void show_boot_progress (int val) __attribute__((weak, alias("__show_boot_progress"))); ++__weak void show_boot_progress(int val) {} + + #define MAX_DELAY_STOP_STR 32 + |