projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 72c58395 CM |
1 | /* |
| 2 | * Macros for accessing system registers with older binutils. | |
| 3 | * | |
| 4 | * Copyright (C) 2014 ARM Ltd. | |
| 5 | * Author: Catalin Marinas <catalin.marinas@arm.com> | |
| 6 | * | |
| 7 | * This program is free software: you can redistribute it and/or modify | |
| 8 | * it under the terms of the GNU General Public License version 2 as | |
| 9 | * published by the Free Software Foundation. | |
| 10 | * | |
| 11 | * This program is distributed in the hope that it will be useful, | |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | * GNU General Public License for more details. | |
| 15 | * | |
| 16 | * You should have received a copy of the GNU General Public License | |
| 17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 18 | */ | |
| 19 | ||
| 20 | #ifndef __ASM_SYSREG_H | |
| 21 | #define __ASM_SYSREG_H | |
| 22 | ||
| 23 | #define sys_reg(op0, op1, crn, crm, op2) \ | |
| 24 | ((((op0)-2)<<19)|((op1)<<16)|((crn)<<12)|((crm)<<8)|((op2)<<5)) | |
| 25 | ||
| 26 | #ifdef __ASSEMBLY__ | |
| 27 | ||
| 28 | .irp num,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30 | |
| 29 | .equ __reg_num_x\num, \num | |
| 30 | .endr | |
| 31 | .equ __reg_num_xzr, 31 | |
| 32 | ||
| 33 | .macro mrs_s, rt, sreg | |
| 34 | .inst 0xd5300000|(\sreg)|(__reg_num_\rt) | |
| 35 | .endm | |
| 36 | ||
| 37 | .macro msr_s, sreg, rt | |
| 38 | .inst 0xd5100000|(\sreg)|(__reg_num_\rt) | |
| 39 | .endm | |
| 40 | ||
| 41 | #else | |
| 42 | ||
| 43 | asm( | |
| 44 | " .irp num,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30\n" | |
| 45 | " .equ __reg_num_x\\num, \\num\n" | |
| 46 | " .endr\n" | |
| 47 | " .equ __reg_num_xzr, 31\n" | |
| 48 | "\n" | |
| 49 | " .macro mrs_s, rt, sreg\n" | |
| 50 | " .inst 0xd5300000|(\\sreg)|(__reg_num_\\rt)\n" | |
| 51 | " .endm\n" | |
| 52 | "\n" | |
| 53 | " .macro msr_s, sreg, rt\n" | |
| 54 | " .inst 0xd5100000|(\\sreg)|(__reg_num_\\rt)\n" | |
| 55 | " .endm\n" | |
| 56 | ); | |
| 57 | ||
| 58 | #endif | |
| 59 | ||
| 60 | #endif /* __ASM_SYSREG_H */ |