| /* |
| * Copyright 2017, Data61 |
| * Commonwealth Scientific and Industrial Research Organisation (CSIRO) |
| * ABN 41 687 119 230. |
| * |
| * This software may be distributed and modified according to the terms of |
| * the BSD 2-Clause license. Note that NO WARRANTY is provided. |
| * See "LICENSE_BSD2.txt" for details. |
| * |
| * @TAG(DATA61_BSD) |
| */ |
| #ifndef _SEL4UTILS_ARCH_UTIL_H |
| #define _SEL4UTILS_ARCH_UTIL_H |
| |
| #include <stdint.h> |
| #include <sel4/sel4.h> |
| #include <sel4/faults.h> |
| #include <sel4utils/sel4_arch/util.h> |
| #include <utils/arith.h> |
| |
| #define ARCH_SYSCALL_INSTRUCTION_SIZE 2 |
| |
| static inline int |
| sel4utils_is_read_fault(void) |
| { |
| seL4_Word fsr = seL4_GetMR(seL4_VMFault_FSR); |
| return (fsr & (BIT(1))) == 0; |
| } |
| |
| #endif /* _SEL4UTILS_ARCH_UTIL_H */ |
