generic: Add new file generic/io.h and move read/writeb() to it

Move the definitions of the readb() style functions to a new header
generic/io.h.  This eliminates the dependency of stdint.h on
compiler.h.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2016-06-10 21:04:27 -04:00
parent 62f96f0911
commit 8e1c0941b0
3 changed files with 26 additions and 19 deletions

View file

@ -39,23 +39,4 @@
(((x) + ((__divisor) / 2)) / (__divisor)); \
})
static inline void writel(void *addr, uint32_t val) {
*(volatile uint32_t *)addr = val;
}
static inline void writew(void *addr, uint16_t val) {
*(volatile uint16_t *)addr = val;
}
static inline void writeb(void *addr, uint8_t val) {
*(volatile uint8_t *)addr = val;
}
static inline uint32_t readl(const void *addr) {
return *(volatile const uint32_t *)addr;
}
static inline uint16_t readw(const void *addr) {
return *(volatile const uint16_t *)addr;
}
static inline uint8_t readb(const void *addr) {
return *(volatile const uint8_t *)addr;
}
#endif // compiler.h