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2a709f28fa
* 0day explit mitigation * Memory corruption prevention * Privilege escalation prevention * Buffer over flow prevention * File System corruption defense * Thread escape prevention This may very well be the most intensive inclusion to BrooklynR. This will not be part of an x86 suite nor it will be released as tool kit. The security core toolkit will remain part of kernel base.
58 lines
1.1 KiB
C
58 lines
1.1 KiB
C
#ifndef _LINUX_IO_64_NONATOMIC_LO_HI_H_
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#define _LINUX_IO_64_NONATOMIC_LO_HI_H_
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#include <linux/io.h>
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#include <asm-generic/int-ll64.h>
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static inline __u64 lo_hi_readq(const volatile void __iomem *addr)
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{
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const volatile u32 __iomem *p = addr;
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u32 low, high;
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low = readl(p);
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high = readl(p + 1);
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return low + ((u64)high << 32);
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}
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static inline void lo_hi_writeq(__u64 val, volatile void __iomem *addr)
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{
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writel(val, addr);
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writel(val >> 32, addr + 4);
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}
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static inline __u64 lo_hi_readq_relaxed(const volatile void __iomem *addr)
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{
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const volatile u32 __iomem *p = addr;
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u32 low, high;
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low = readl_relaxed(p);
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high = readl_relaxed(p + 1);
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return low + ((u64)high << 32);
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}
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static inline void lo_hi_writeq_relaxed(__u64 val, volatile void __iomem *addr)
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{
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writel_relaxed(val, addr);
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writel_relaxed(val >> 32, addr + 4);
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}
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#ifndef readq
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#define readq lo_hi_readq
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#endif
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#ifndef writeq
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#define writeq lo_hi_writeq
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#endif
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#ifndef readq_relaxed
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#define readq_relaxed lo_hi_readq_relaxed
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#endif
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#ifndef writeq_relaxed
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#define writeq_relaxed lo_hi_writeq_relaxed
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#endif
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#endif /* _LINUX_IO_64_NONATOMIC_LO_HI_H_ */
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