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Annotation of qemu/tcg/s390/tcg-target.h, revision 1.1.1.1

1.1       root        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: }

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