diff options
Diffstat (limited to 'payloads/libpayload/include/endian.h')
| -rw-r--r-- | payloads/libpayload/include/endian.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/payloads/libpayload/include/endian.h b/payloads/libpayload/include/endian.h index dd4d9fa2ca..3b79393492 100644 --- a/payloads/libpayload/include/endian.h +++ b/payloads/libpayload/include/endian.h @@ -30,6 +30,7 @@ #ifndef _ENDIAN_H_ #define _ENDIAN_H_ +#include <arch/io.h> #include <arch/types.h> #include <libpayload-config.h> @@ -178,4 +179,20 @@ static inline void le32enc(void *pp, uint32_t u) #define letohl(in) le32toh(in) #define letohll(in) le64toh(in) +/* Handy bit manipulation macros */ + +#define clrsetbits_le32(addr, clear, set) writel(htole32((le32toh(readl(addr)) \ + & ~(clear)) | (set)), (addr)) +#define setbits_le32(addr, set) writel(htole32(le32toh(readl(addr)) \ + | (set)), (addr)) +#define clrbits_le32(addr, clear) writel(htole32(le32toh(readl(addr)) \ + & ~(clear)), (addr)) + +#define clrsetbits_be32(addr, clear, set) writel(htobe32((be32toh(readl(addr)) \ + & ~(clear)) | (set)), (addr)) +#define setbits_be32(addr, set) writel(htobe32(be32toh(readl(addr)) \ + | (set)), (addr)) +#define clrbits_be32(addr, clear) writel(htobe32(be32toh(readl(addr)) \ + & ~(clear)), (addr)) + #endif /* _ENDIAN_H_ */ |