diff options
Diffstat (limited to 'extras/mini-os/arch/x86/iorw.c')
-rw-r--r-- | extras/mini-os/arch/x86/iorw.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/extras/mini-os/arch/x86/iorw.c b/extras/mini-os/arch/x86/iorw.c new file mode 100644 index 0000000000..308076958c --- /dev/null +++ b/extras/mini-os/arch/x86/iorw.c @@ -0,0 +1,35 @@ +#include <mini-os/iorw.h> + +void iowrite8(volatile void* addr, uint8_t val) +{ + *((volatile uint8_t*)addr) = val; +} +void iowrite16(volatile void* addr, uint16_t val) +{ + *((volatile uint16_t*)addr) = val; +} +void iowrite32(volatile void* addr, uint32_t val) +{ + *((volatile uint32_t*)addr) = val; +} +void iowrite64(volatile void* addr, uint64_t val) +{ + *((volatile uint64_t*)addr) = val; +} + +uint8_t ioread8(volatile void* addr) +{ + return *((volatile uint8_t*) addr); +} +uint16_t ioread16(volatile void* addr) +{ + return *((volatile uint16_t*) addr); +} +uint32_t ioread32(volatile void* addr) +{ + return *((volatile uint32_t*) addr); +} +uint64_t ioread64(volatile void* addr) +{ + return *((volatile uint64_t*) addr); +} |