diff options
Diffstat (limited to 'src/include/device/mmio.h')
| -rw-r--r-- | src/include/device/mmio.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/include/device/mmio.h b/src/include/device/mmio.h index 6596cf89ed..9c5e27cfd8 100644 --- a/src/include/device/mmio.h +++ b/src/include/device/mmio.h @@ -19,6 +19,24 @@ #include <endian.h> #include <types.h> +#define __clrsetbits_impl(bits, addr, clear, set) write##bits(addr, \ + (read##bits(addr) & ~((uint##bits##_t)(clear))) | (set)) + +#define clrsetbits8(addr, clear, set) __clrsetbits_impl(8, addr, clear, set) +#define clrsetbits16(addr, clear, set) __clrsetbits_impl(16, addr, clear, set) +#define clrsetbits32(addr, clear, set) __clrsetbits_impl(32, addr, clear, set) +#define clrsetbits64(addr, clear, set) __clrsetbits_impl(64, addr, clear, set) + +#define setbits8(addr, set) clrsetbits8(addr, 0, set) +#define setbits16(addr, set) clrsetbits16(addr, 0, set) +#define setbits32(addr, set) clrsetbits32(addr, 0, set) +#define setbits64(addr, set) clrsetbits64(addr, 0, set) + +#define clrbits8(addr, clear) clrsetbits8(addr, clear, 0) +#define clrbits16(addr, clear) clrsetbits16(addr, clear, 0) +#define clrbits32(addr, clear) clrsetbits32(addr, clear, 0) +#define clrbits64(addr, clear) clrsetbits64(addr, clear, 0) + #ifndef __ROMCC__ /* * Reads a transfer buffer from 32-bit FIFO registers. fifo_stride is the |