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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
parisc: Don't hardcode PSW values in gsc_*() functions
Signed-off-by: Helge Deller <deller@gmx.de>
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arch/parisc/include/asm/io.h
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arch/parisc/include/asm/io.h
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unsigned char ret;
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__asm__ __volatile__(
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" rsm 2,%0\n"
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" rsm %3,%0\n"
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" ldbx 0(%2),%1\n"
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" mtsm %0\n"
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: "=&r" (flags), "=r" (ret) : "r" (addr) );
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: "=&r" (flags), "=r" (ret) : "r" (addr), "i" (PSW_SM_D) );
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return ret;
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}
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unsigned short ret;
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__asm__ __volatile__(
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" rsm 2,%0\n"
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" rsm %3,%0\n"
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" ldhx 0(%2),%1\n"
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" mtsm %0\n"
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: "=&r" (flags), "=r" (ret) : "r" (addr) );
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: "=&r" (flags), "=r" (ret) : "r" (addr), "i" (PSW_SM_D) );
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return ret;
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}
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{
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long flags;
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__asm__ __volatile__(
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" rsm 2,%0\n"
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" rsm %3,%0\n"
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" stbs %1,0(%2)\n"
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" mtsm %0\n"
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: "=&r" (flags) : "r" (val), "r" (addr) );
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: "=&r" (flags) : "r" (val), "r" (addr), "i" (PSW_SM_D) );
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}
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static inline void gsc_writew(unsigned short val, unsigned long addr)
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{
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long flags;
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__asm__ __volatile__(
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" rsm 2,%0\n"
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" rsm %3,%0\n"
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" sths %1,0(%2)\n"
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" mtsm %0\n"
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: "=&r" (flags) : "r" (val), "r" (addr) );
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: "=&r" (flags) : "r" (val), "r" (addr), "i" (PSW_SM_D) );
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}
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static inline void gsc_writel(unsigned int val, unsigned long addr)