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/*
* 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_div2_i32
#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
}
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