| /* |
| * Copyright (c) 2018 Lexmark International, Inc. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #ifndef _CORTEX_R_CPU_H |
| #define _CORTEX_R_CPU_H |
| |
| #define MODE_USR 0x10 |
| #define MODE_FIQ 0x11 |
| #define MODE_IRQ 0x12 |
| #define MODE_SVC 0x13 |
| #define MODE_ABT 0x17 |
| #define MODE_UDF 0x1b |
| #define MODE_SYS 0x1f |
| #define MODE_MASK 0x1f |
| |
| #define A_BIT (1 << 8) |
| #define I_BIT (1 << 7) |
| #define F_BIT (1 << 6) |
| #define T_BIT (1 << 5) |
| |
| #define HIVECS (1 << 13) |
| |
| #define RET_FROM_SVC 0 |
| #define RET_FROM_IRQ 1 |
| |
| #define __ISB() __asm__ volatile ("isb sy" : : : "memory") |
| #define __DMB() __asm__ volatile ("dmb sy" : : : "memory") |
| |
| #endif |
