| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| Maciej W. Rozycki | 09abbcf | 2007-09-17 17:11:07 +0100 | [diff] [blame] | 2 | * Copyright (C) 2004, 2007 Maciej W. Rozycki |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | * |
| 4 | * This file is subject to the terms and conditions of the GNU General Public |
| 5 | * License. See the file "COPYING" in the main directory of this archive |
| 6 | * for more details. |
| 7 | */ |
| 8 | #ifndef _ASM_COMPILER_H |
| 9 | #define _ASM_COMPILER_H |
| 10 | |
| 11 | #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) |
| Ralf Baechle | ad1d77a | 2008-05-01 15:28:53 +0100 | [diff] [blame] | 12 | #define GCC_IMM_ASM() "n" |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | #define GCC_REG_ACCUM "$0" |
| 14 | #else |
| Ralf Baechle | ad1d77a | 2008-05-01 15:28:53 +0100 | [diff] [blame] | 15 | #define GCC_IMM_ASM() "rn" |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 16 | #define GCC_REG_ACCUM "accum" |
| 17 | #endif |
| 18 | |
| Markos Chandras | 123e4b3 | 2014-12-19 12:04:46 +0000 | [diff] [blame] | 19 | #ifdef CONFIG_CPU_MIPSR6 |
| 20 | /* All MIPS R6 toolchains support the ZC constrain */ |
| 21 | #define GCC_OFF_SMALL_ASM() "ZC" |
| 22 | #else |
| Maciej W. Rozycki | b0984c4 | 2014-11-15 22:08:48 +0000 | [diff] [blame] | 23 | #ifndef CONFIG_CPU_MICROMIPS |
| Markos Chandras | 94bfb75 | 2015-01-26 12:44:11 +0000 | [diff] [blame] | 24 | #define GCC_OFF_SMALL_ASM() "R" |
| Maciej W. Rozycki | b0984c4 | 2014-11-15 22:08:48 +0000 | [diff] [blame] | 25 | #elif __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9) |
| Markos Chandras | 94bfb75 | 2015-01-26 12:44:11 +0000 | [diff] [blame] | 26 | #define GCC_OFF_SMALL_ASM() "ZC" |
| Maciej W. Rozycki | b0984c4 | 2014-11-15 22:08:48 +0000 | [diff] [blame] | 27 | #else |
| 28 | #error "microMIPS compilation unsupported with GCC older than 4.9" |
| Markos Chandras | 123e4b3 | 2014-12-19 12:04:46 +0000 | [diff] [blame] | 29 | #endif /* CONFIG_CPU_MICROMIPS */ |
| 30 | #endif /* CONFIG_CPU_MIPSR6 */ |
| Maciej W. Rozycki | b0984c4 | 2014-11-15 22:08:48 +0000 | [diff] [blame] | 31 | |
| Markos Chandras | be51369 | 2014-11-18 15:02:32 +0000 | [diff] [blame] | 32 | #ifdef CONFIG_CPU_MIPSR6 |
| 33 | #define MIPS_ISA_LEVEL "mips64r6" |
| 34 | #define MIPS_ISA_ARCH_LEVEL MIPS_ISA_LEVEL |
| 35 | #define MIPS_ISA_LEVEL_RAW mips64r6 |
| 36 | #define MIPS_ISA_ARCH_LEVEL_RAW MIPS_ISA_LEVEL_RAW |
| 37 | #else |
| 38 | /* MIPS64 is a superset of MIPS32 */ |
| 39 | #define MIPS_ISA_LEVEL "mips64r2" |
| 40 | #define MIPS_ISA_ARCH_LEVEL "arch=r4000" |
| 41 | #define MIPS_ISA_LEVEL_RAW mips64r2 |
| 42 | #define MIPS_ISA_ARCH_LEVEL_RAW MIPS_ISA_LEVEL_RAW |
| 43 | #endif /* CONFIG_CPU_MIPSR6 */ |
| 44 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | #endif /* _ASM_COMPILER_H */ |