projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 2827822e AG |
1 | /* |
| 2 | * Tiny Code Generator for QEMU | |
| 3 | * | |
| 4 | * Copyright (c) 2009 Ulrich Hecht <[email protected]> | |
| 5 | * | |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
| 7 | * of this software and associated documentation files (the "Software"), to deal | |
| 8 | * in the Software without restriction, including without limitation the rights | |
| 9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| 10 | * copies of the Software, and to permit persons to whom the Software is | |
| 11 | * furnished to do so, subject to the following conditions: | |
| 12 | * | |
| 13 | * The above copyright notice and this permission notice shall be included in | |
| 14 | * all copies or substantial portions of the Software. | |
| 15 | * | |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
| 19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
| 22 | * THE SOFTWARE. | |
| 23 | */ | |
| 24 | #define TCG_TARGET_S390 1 | |
| 25 | ||
| 26 | #define TCG_TARGET_REG_BITS 64 | |
| 27 | #define TCG_TARGET_WORDS_BIGENDIAN | |
| 28 | ||
| 29 | enum { | |
| 30 | TCG_REG_R0 = 0, | |
| 31 | TCG_REG_R1, | |
| 32 | TCG_REG_R2, | |
| 33 | TCG_REG_R3, | |
| 34 | TCG_REG_R4, | |
| 35 | TCG_REG_R5, | |
| 36 | TCG_REG_R6, | |
| 37 | TCG_REG_R7, | |
| 38 | TCG_REG_R8, | |
| 39 | TCG_REG_R9, | |
| 40 | TCG_REG_R10, | |
| 41 | TCG_REG_R11, | |
| 42 | TCG_REG_R12, | |
| 43 | TCG_REG_R13, | |
| 44 | TCG_REG_R14, | |
| 45 | TCG_REG_R15 | |
| 46 | }; | |
| 47 | #define TCG_TARGET_NB_REGS 16 | |
| 48 | ||
| 49 | /* used for function call generation */ | |
| 50 | #define TCG_REG_CALL_STACK TCG_REG_R15 | |
| 51 | #define TCG_TARGET_STACK_ALIGN 8 | |
| 52 | #define TCG_TARGET_CALL_STACK_OFFSET 0 | |
| 53 | ||
| 54 | enum { | |
| 55 | /* Note: must be synced with dyngen-exec.h */ | |
| 56 | TCG_AREG0 = TCG_REG_R10, | |
| 57 | TCG_AREG1 = TCG_REG_R7, | |
| 58 | TCG_AREG2 = TCG_REG_R8, | |
| 59 | TCG_AREG3 = TCG_REG_R9, | |
| 60 | }; | |
| 61 | ||
| 62 | static inline void flush_icache_range(unsigned long start, unsigned long stop) | |
| 63 | { | |
| 64 | #if QEMU_GNUC_PREREQ(4, 1) | |
| 65 | __builtin___clear_cache((char *) start, (char *) stop); | |
| 66 | #else | |
| 67 | #error not implemented | |
| 68 | #endif | |
| 69 | } |