diff options
| author | Marshall Dawson <marshalldawson3rd@gmail.com> | 2017-04-20 14:03:11 -0600 |
|---|---|---|
| committer | Marc Jones <marc@marcjonesconsulting.com> | 2017-04-25 06:14:39 +0200 |
| commit | efd077ac5283cb88627a53b703f1eb67aec4e5a3 (patch) | |
| tree | 4387502a696e4e06833215c66f5046c157834698 /src/arch/x86 | |
| parent | 8e055f8f5335ef72ca019317594e036f0b6cec37 (diff) | |
arch/x86: Add read64 and write64 functions
Create new functions similar to read and write of other sizes.
Change-Id: I35a08c498f25227233604c65c45b73b1c44fae1f
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/19394
Tested-by: build bot (Jenkins)
Reviewed-by: Philippe Mathieu-Daudé <philippe.mathieu.daude@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/arch/x86')
| -rw-r--r-- | src/arch/x86/include/arch/io.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/arch/x86/include/arch/io.h b/src/arch/x86/include/arch/io.h index c194379bb6..a59ac2c50b 100644 --- a/src/arch/x86/include/arch/io.h +++ b/src/arch/x86/include/arch/io.h @@ -174,6 +174,14 @@ static inline __attribute__((always_inline)) uint32_t read32( return *((volatile uint32_t *)(addr)); } +#ifndef __ROMCC__ +static inline __attribute__((always_inline)) uint64_t read64( + const volatile void *addr) +{ + return *((volatile uint64_t *)(addr)); +} +#endif + static inline __attribute__((always_inline)) void write8(volatile void *addr, uint8_t value) { @@ -192,6 +200,14 @@ static inline __attribute__((always_inline)) void write32(volatile void *addr, *((volatile uint32_t *)(addr)) = value; } +#ifndef __ROMCC__ +static inline __attribute__((always_inline)) void write64(volatile void *addr, + uint64_t value) +{ + *((volatile uint64_t *)(addr)) = value; +} +#endif + /* Conflicts with definition in lib.h */ #if defined(__ROMCC__) static inline int log2(u32 value) |