From 4966de81c341aca7e2ae8f971a112acfaeba89b1 Mon Sep 17 00:00:00 2001 From: "arch import user (historical)" Date: Wed, 6 Jul 2005 16:48:02 +0000 Subject: Revision: linuxbios@linuxbios.org--devel/freebios--devel--2.0--patch-3 Creator: Eric Biederman Add read[bwl] write[bwl] to arch/io.h for i386 A pending patch requires needs this and ppc already has them so it is a good idea to implement them :) I don't know why this was not implemented earlier. git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1922 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/arch/i386/include/arch/io.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) (limited to 'src/arch') diff --git a/src/arch/i386/include/arch/io.h b/src/arch/i386/include/arch/io.h index 411098128f..4bd2f4a4c3 100644 --- a/src/arch/i386/include/arch/io.h +++ b/src/arch/i386/include/arch/io.h @@ -138,5 +138,35 @@ static inline void insl(uint16_t port, void *addr, unsigned long count) ); } +static inline void writeb(uint8_t b, volatile void *addr) +{ + *(volatile uint8_t *) addr = b; +} + +static inline void writew(uint16_t b, volatile void *addr) +{ + *(volatile uint16_t *) addr = b; +} + +static inline void writel(uint32_t b, volatile void *addr) +{ + *(volatile uint32_t *) addr = b; +} + +static inline uint8_t readb(const volatile void *addr) +{ + return *(volatile uint8_t *) addr; +} + +static inline uint16_t readw(const volatile void *addr) +{ + return *(volatile uint16_t *) addr; +} + +static inline uint32_t readl(const volatile void *addr) +{ + return *(volatile uint32_t *) addr; +} + #endif -- cgit v1.2.3