diff options
Diffstat (limited to 'payloads/libpayload/include/x86/arch/io.h')
| -rw-r--r-- | payloads/libpayload/include/x86/arch/io.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/payloads/libpayload/include/x86/arch/io.h b/payloads/libpayload/include/x86/arch/io.h index bcfd30771e..0cb610fcc3 100644 --- a/payloads/libpayload/include/x86/arch/io.h +++ b/payloads/libpayload/include/x86/arch/io.h @@ -31,9 +31,9 @@ #ifndef _ARCH_IO_H #define _ARCH_IO_H -#define readb(_a) (*(volatile unsigned char *) (_a)) -#define readw(_a) (*(volatile unsigned short *) (_a)) -#define readl(_a) (*(volatile unsigned long *) (_a)) +#define readb(_a) (*(volatile const unsigned char *) (_a)) +#define readw(_a) (*(volatile const unsigned short *) (_a)) +#define readl(_a) (*(volatile const unsigned long *) (_a)) #define writeb(_v, _a) (*(volatile unsigned char *) (_a) = (_v)) #define writew(_v, _a) (*(volatile unsigned short *) (_a) = (_v)) |