#include <linux/module.h> #include <linux/types.h> #include <asm/io.h> /* * Copy data from IO memory space to "real" memory space. * This needs to be optimized. */ void memcpy_fromio(void *to, const volatile void __iomem *from, long count) { char *dst = to; while (count) { count--; *dst++ = readb(from++); } } EXPORT_SYMBOL(memcpy_fromio); /* * Copy data from "real" memory space to IO memory space. * This needs to be optimized. */ void memcpy_toio(volatile void __iomem *to, const void *from, long count) { const char *src = from; while (count) { count--; writeb(*src++, to++); } } EXPORT_SYMBOL(memcpy_toio); /* * "memset" on IO memory space. * This needs to be optimized. */ void memset_io(volatile void __iomem *dst, int c, long count) { unsigned char ch = (char)(c & 0xff); while (count) { count--; writeb(ch, dst); dst++; } } EXPORT_SYMBOL(memset_io); #ifdef CONFIG_IA64_GENERIC #undef __ia64_inb #undef __ia64_inw #undef __ia64_inl #undef __ia64_outb #undef __ia64_outw #undef __ia64_outl #undef __ia64_readb #undef __ia64_readw #undef __ia64_readl #undef __ia64_readq #undef __ia64_readb_relaxed #undef __ia64_readw_relaxed #undef __ia64_readl_relaxed #undef __ia64_readq_relaxed #undef __ia64_writeb #undef __ia64_writew #undef __ia64_writel #undef __ia64_writeq #undef __ia64_mmiowb unsigned int __ia64_inb (unsigned long port) { return ___ia64_inb(port); } unsigned int __ia64_inw (unsigned long port) { return ___ia64_inw(port); } unsigned int __ia64_inl (unsigned long port) { return ___ia64_inl(port); } void __ia64_outb (unsigned char val, unsigned long port) { ___ia64_outb(val, port); } void __ia64_outw (unsigned short val, unsigned long port) { ___ia64_outw(val, port); } void __ia64_outl (unsigned int val, unsigned long port) { ___ia64_outl(val, port); } unsigned char __ia64_readb (void __iomem *addr) { return ___ia64_readb (addr); } unsigned short __ia64_readw (void __iomem *addr) { return ___ia64_readw (addr); } unsigned int __ia64_readl (void __iomem *addr) { return ___ia64_readl (addr); } unsigned long __ia64_readq (void __iomem *addr) { return ___ia64_readq (addr); } unsigned char __ia64_readb_relaxed (void __iomem *addr) { return ___ia64_readb (addr); } unsigned short __ia64_readw_relaxed (void __iomem *addr) { return ___ia64_readw (addr); } unsigned int __ia64_readl_relaxed (void __iomem *addr) { return ___ia64_readl (addr); } unsigned long __ia64_readq_relaxed (void __iomem *addr) { return ___ia64_readq (addr); } void __ia64_mmiowb(void) { ___ia64_mmiowb(); } #endif /* CONFIG_IA64_GENERIC */