diff options
Diffstat (limited to 'nuttx/arch/arm/src/armv7-m/nvic.h')
| -rw-r--r-- | nuttx/arch/arm/src/armv7-m/nvic.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/nuttx/arch/arm/src/armv7-m/nvic.h b/nuttx/arch/arm/src/armv7-m/nvic.h index 46837ab99..e6d6f8e9e 100644 --- a/nuttx/arch/arm/src/armv7-m/nvic.h +++ b/nuttx/arch/arm/src/armv7-m/nvic.h @@ -483,11 +483,12 @@ #define NVIC_SYSH_PRIORITY_PR15_SHIFT 24 #define NVIC_SYSH_PRIORITY_PR15_MASK (0xff << NVIC_SYSH_PRIORITY_PR15_SHIFT) -/* Vector Table Offset Register (VECTAB) */ +/* Vector Table Offset Register (VECTAB). This mask seems to vary among + * ARMv7-M implementations. It may be be redefined in the architecture- + * specific chip.h header file. + */ #define NVIC_VECTAB_TBLOFF_MASK (0xffffffc0) -#define NVIC_VECTAB_TBLBASE (0) -#define NVIC_VECTAB_ALIGN_MASK (0x0000003f) /* Application Interrupt and Reset Control Register (AIRCR) */ |