On Fri, 2018-04-06 at 14:43 -0700, Ivan Gorinov wrote: > Add readq() and writeq() definitions for x86. > > Please note: in 32-bit code readq/writeq will generate two 32-bit > memory access instructions instead of one atomic 64-bit operation. >
Thanks! FWIW, Reviewed-by: Andy Shevchenko <andriy.shevche...@linux.intel.com> > Signed-off-by: Ivan Gorinov <ivan.gori...@intel.com> > --- > arch/x86/include/asm/io.h | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h > index 263dd8f..4ab0080 100644 > --- a/arch/x86/include/asm/io.h > +++ b/arch/x86/include/asm/io.h > @@ -61,16 +61,20 @@ > #define readb(addr) (*(volatile unsigned char *) (addr)) > #define readw(addr) (*(volatile unsigned short *) (addr)) > #define readl(addr) (*(volatile unsigned int *) (addr)) > +#define readq(addr) (*(volatile unsigned long long *) (addr)) > #define __raw_readb readb > #define __raw_readw readw > #define __raw_readl readl > +#define __raw_readq readq > > #define writeb(b,addr) (*(volatile unsigned char *) (addr) = (b)) > #define writew(b,addr) (*(volatile unsigned short *) (addr) = (b)) > #define writel(b,addr) (*(volatile unsigned int *) (addr) = (b)) > +#define writeq(b,addr) (*(volatile unsigned long long *) (addr) = > (b)) > #define __raw_writeb writeb > #define __raw_writew writew > #define __raw_writel writel > +#define __raw_writeq writeq > > #define memset_io(a,b,c) memset((a),(b),(c)) > #define memcpy_fromio(a,b,c) memcpy((a),(b),(c)) -- Andy Shevchenko <andriy.shevche...@linux.intel.com> Intel Finland Oy _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
