91 lines
2.7 KiB
C
91 lines
2.7 KiB
C
/*
|
|
* Tiny Code Generator for QEMU
|
|
*
|
|
* Copyright (c) 2008 Fabrice Bellard
|
|
* Copyright (c) 2008 Andrzej Zaborowski
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
#define TCG_TARGET_ARM 1
|
|
|
|
#define TCG_TARGET_REG_BITS 32
|
|
#undef TCG_TARGET_WORDS_BIGENDIAN
|
|
#undef TCG_TARGET_STACK_GROWSUP
|
|
|
|
enum {
|
|
TCG_REG_R0 = 0,
|
|
TCG_REG_R1,
|
|
TCG_REG_R2,
|
|
TCG_REG_R3,
|
|
TCG_REG_R4,
|
|
TCG_REG_R5,
|
|
TCG_REG_R6,
|
|
TCG_REG_R7,
|
|
TCG_REG_R8,
|
|
TCG_REG_R9,
|
|
TCG_REG_R10,
|
|
TCG_REG_R11,
|
|
TCG_REG_R12,
|
|
TCG_REG_R13,
|
|
TCG_REG_R14,
|
|
};
|
|
|
|
#define TCG_TARGET_NB_REGS 15
|
|
|
|
#define TCG_CT_CONST_ARM 0x100
|
|
|
|
/* used for function call generation */
|
|
#define TCG_REG_CALL_STACK TCG_REG_R13
|
|
#define TCG_TARGET_STACK_ALIGN 8
|
|
#define TCG_TARGET_CALL_STACK_OFFSET 0
|
|
|
|
/* optional instructions */
|
|
#define TCG_TARGET_HAS_ext8s_i32
|
|
#define TCG_TARGET_HAS_ext16s_i32
|
|
// #define TCG_TARGET_HAS_ext8u_i32
|
|
// #define TCG_TARGET_HAS_ext16u_i32
|
|
// #define TCG_TARGET_HAS_bswap16_i32
|
|
// #define TCG_TARGET_HAS_bswap32_i32
|
|
#define TCG_TARGET_HAS_not_i32
|
|
#define TCG_TARGET_HAS_neg_i32
|
|
// #define TCG_TARGET_HAS_rot_i32
|
|
#define TCG_TARGET_HAS_andc_i32
|
|
// #define TCG_TARGET_HAS_orc_i32
|
|
|
|
#define TCG_TARGET_HAS_GUEST_BASE
|
|
|
|
enum {
|
|
/* Note: must be synced with dyngen-exec.h */
|
|
TCG_AREG0 = TCG_REG_R7,
|
|
TCG_AREG1 = TCG_REG_R4,
|
|
TCG_AREG2 = TCG_REG_R5,
|
|
};
|
|
|
|
static inline void flush_icache_range(unsigned long start, unsigned long stop)
|
|
{
|
|
#if QEMU_GNUC_PREREQ(4, 1)
|
|
__builtin___clear_cache((char *) start, (char *) stop);
|
|
#else
|
|
register unsigned long _beg __asm ("a1") = start;
|
|
register unsigned long _end __asm ("a2") = stop;
|
|
register unsigned long _flg __asm ("a3") = 0;
|
|
__asm __volatile__ ("swi 0x9f0002" : : "r" (_beg), "r" (_end), "r" (_flg));
|
|
#endif
|
|
}
|