u-boot/arch/sandbox/include/asm/system.h

/*
 * Copyright (c) 2011 The Chromium OS Authors.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef __ASM_SANDBOX_SYSTEM_H
#define __ASM_SANDBOX_SYSTEM_H

/* Define this as nops for sandbox architecture */
#define local_irq_save(x)
#define local_irq_enable()
#define local_irq_disable()
#define local_save_flags(x)
#define local_irq_restore(x)

#endif
sandbox: Add architecture header files This adds required header files for the sandbox architecture, and a basic description of what sandbox is (README.sandbox). Signed-off-by: Simon Glass <sjg@chromium.org> 2011-10-10 08:22:14 +00:00			`/*`
			`* Copyright (c) 2011 The Chromium OS Authors.`
			`*`
Coding Style cleanup: remove trailing white space Signed-off-by: Wolfgang Denk <wd@denx.de> 2013-10-07 11:07:26 +00:00			`* SPDX-License-Identifier: GPL-2.0+`
sandbox: Add architecture header files This adds required header files for the sandbox architecture, and a basic description of what sandbox is (README.sandbox). Signed-off-by: Simon Glass <sjg@chromium.org> 2011-10-10 08:22:14 +00:00			`*/`

			`#ifndef __ASM_SANDBOX_SYSTEM_H`
			`#define __ASM_SANDBOX_SYSTEM_H`

			`/* Define this as nops for sandbox architecture */`
sandbox: change local_irq_save() to macro local_irq_save() should be a macro, not a function because local_irq_save() saves flag to the given argument. GCC is silent about this issue, but Clang warns: In file included from lib/asm-offsets.c:15: In file included from include/common.h:20: In file included from include/linux/bitops.h:110: arch/sandbox/include/asm/bitops.h:59:17: warning: variable 'flags' is uninitialized when used here [-Wuninitialized] local_irq_save(flags); ^~~~~ That change causes another warning: In file included from include/linux/bitops.h:110:0, from include/common.h:20, from lib/asm-offsets.c:15: arch/sandbox/include/asm/bitops.h: In function ‘test_and_set_bit’: arch/sandbox/include/asm/bitops.h:56:16: warning: unused variable ‘flags’ [-Wunused-variable] So, flags should be set to __always_unused. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Cc: Simon Glass <sjg@chromium.org> Cc: Jeroen Hofstee <jeroen@myspectrum.nl> Acked-by: Simon Glass <sjg@chromium.org> Acked-by: Jeroen Hofstee <jeroen@myspectrum.nl> 2014-06-12 03:26:15 +00:00			`#define local_irq_save(x)`
sandbox: Add architecture header files This adds required header files for the sandbox architecture, and a basic description of what sandbox is (README.sandbox). Signed-off-by: Simon Glass <sjg@chromium.org> 2011-10-10 08:22:14 +00:00			`#define local_irq_enable()`
			`#define local_irq_disable()`
			`#define local_save_flags(x)`
			`#define local_irq_restore(x)`

			`#endif`