83d290c56f
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2004, Psyent Corporation <www.psyent.com>
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* Scott McNutt <smcnutt@psyent.com>
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*/
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#ifndef __ASM_NIOS2_SYSTEM_H_
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#define __ASM_NIOS2_SYSTEM_H_
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#define local_irq_enable() __asm__ __volatile__ ( \
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"rdctl r8, status\n" \
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"ori r8, r8, 1\n" \
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"wrctl status, r8\n" \
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: : : "r8")
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#define local_irq_disable() __asm__ __volatile__ ( \
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"rdctl r8, status\n" \
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"andi r8, r8, 0xfffe\n" \
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"wrctl status, r8\n" \
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: : : "r8")
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#define local_save_flags(x) __asm__ __volatile__ ( \
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"rdctl r8, status\n" \
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"mov %0, r8\n" \
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: "=r" (x) : : "r8", "memory")
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#define local_irq_restore(x) __asm__ __volatile__ ( \
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"mov r8, %0\n" \
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"wrctl status, r8\n" \
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: : "r" (x) : "r8", "memory")
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/* For spinlocks etc */
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#define local_irq_save(x) do { local_save_flags(x); local_irq_disable(); } \
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while (0)
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#define irqs_disabled() \
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({ \
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unsigned long flags; \
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local_save_flags(flags); \
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((flags & NIOS2_STATUS_PIE_MSK) == 0x0); \
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})
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/* indirect call to go beyond 256MB limitation of toolchain */
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#define nios2_callr(addr) __asm__ __volatile__ ( \
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"callr %0" \
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: : "r" (addr))
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void display_sysid(void);
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#endif /* __ASM_NIOS2_SYSTEM_H */
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