From a9067c6ec0b4a197d6eaa7ef3ab24c7b9e1e3826 Mon Sep 17 00:00:00 2001 From: Jonathan Neuschäfer Date: Fri, 10 Jun 2016 19:35:15 +0200 Subject: arch/riscv: copy read/write8/16/32 from x86 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Change-Id: I12de8f82499074f0fbbc1c09210b00c6a9614c1b Signed-off-by: Jonathan Neuschäfer Reviewed-on: https://review.coreboot.org/15146 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth --- src/arch/riscv/include/arch/io.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) (limited to 'src/arch') diff --git a/src/arch/riscv/include/arch/io.h b/src/arch/riscv/include/arch/io.h index 804d7dc1b1..5bc10c0cd4 100644 --- a/src/arch/riscv/include/arch/io.h +++ b/src/arch/riscv/include/arch/io.h @@ -45,4 +45,34 @@ static inline uint32_t inl(uint16_t port) return 0; } +static inline __attribute__((always_inline)) uint8_t read8(const volatile void *addr) +{ + return *((volatile uint8_t *)(addr)); +} + +static inline __attribute__((always_inline)) uint16_t read16(const volatile void *addr) +{ + return *((volatile uint16_t *)(addr)); +} + +static inline __attribute__((always_inline)) uint32_t read32(const volatile void *addr) +{ + return *((volatile uint32_t *)(addr)); +} + +static inline __attribute__((always_inline)) void write8(volatile void *addr, uint8_t value) +{ + *((volatile uint8_t *)(addr)) = value; +} + +static inline __attribute__((always_inline)) void write16(volatile void *addr, uint16_t value) +{ + *((volatile uint16_t *)(addr)) = value; +} + +static inline __attribute__((always_inline)) void write32(volatile void *addr, uint32_t value) +{ + *((volatile uint32_t *)(addr)) = value; +} + #endif -- cgit v1.2.3