arch_helpers: use u_register_t for register read/write
u_register_t is preferred rather than uint64_t. This is more consistent with the aarch32 implementation. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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@ -18,15 +18,15 @@
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*********************************************************************/
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*********************************************************************/
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#define _DEFINE_SYSREG_READ_FUNC(_name, _reg_name) \
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#define _DEFINE_SYSREG_READ_FUNC(_name, _reg_name) \
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static inline uint64_t read_ ## _name(void) \
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static inline u_register_t read_ ## _name(void) \
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{ \
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{ \
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uint64_t v; \
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u_register_t v; \
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__asm__ volatile ("mrs %0, " #_reg_name : "=r" (v)); \
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__asm__ volatile ("mrs %0, " #_reg_name : "=r" (v)); \
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return v; \
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return v; \
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}
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}
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#define _DEFINE_SYSREG_WRITE_FUNC(_name, _reg_name) \
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#define _DEFINE_SYSREG_WRITE_FUNC(_name, _reg_name) \
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static inline void write_ ## _name(uint64_t v) \
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static inline void write_ ## _name(u_register_t v) \
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{ \
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{ \
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__asm__ volatile ("msr " #_reg_name ", %0" : : "r" (v)); \
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__asm__ volatile ("msr " #_reg_name ", %0" : : "r" (v)); \
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}
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}
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