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riscv: define function set_gd()
Function set_gd() is needed in the UEFI sub-system if the global data pointer is stored in a register. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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@ -39,4 +39,13 @@ struct arch_global_data {
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#define DECLARE_GLOBAL_DATA_PTR register gd_t *gd asm ("gp")
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static inline void set_gd(volatile gd_t *gd_ptr)
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{
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#ifdef CONFIG_64BIT
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asm volatile("ld gp, %0\n" : : "m"(gd_ptr));
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#else
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asm volatile("lw gp, %0\n" : : "m"(gd_ptr));
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#endif
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}
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#endif /* __ASM_GBL_DATA_H */
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