tcg/ia64/tcg-target.h

/*
 * Tiny Code Generator for QEMU
 *
 * Copyright (c) 2009-2010 Aurelien Jarno <aurelien@aurel32.net>
 * Based on i386/tcg-target.c - Copyright (c) 2008 Fabrice Bellard
 *
 * 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_IA64 1

#define TCG_TARGET_REG_BITS 64

/* We only map the first 64 registers */
#define TCG_TARGET_NB_REGS 64
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,
    TCG_REG_R15,
    TCG_REG_R16,
    TCG_REG_R17,
    TCG_REG_R18,
    TCG_REG_R19,
    TCG_REG_R20,
    TCG_REG_R21,
    TCG_REG_R22,
    TCG_REG_R23,
    TCG_REG_R24,
    TCG_REG_R25,
    TCG_REG_R26,
    TCG_REG_R27,
    TCG_REG_R28,
    TCG_REG_R29,
    TCG_REG_R30,
    TCG_REG_R31,
    TCG_REG_R32,
    TCG_REG_R33,
    TCG_REG_R34,
    TCG_REG_R35,
    TCG_REG_R36,
    TCG_REG_R37,
    TCG_REG_R38,
    TCG_REG_R39,
    TCG_REG_R40,
    TCG_REG_R41,
    TCG_REG_R42,
    TCG_REG_R43,
    TCG_REG_R44,
    TCG_REG_R45,
    TCG_REG_R46,
    TCG_REG_R47,
    TCG_REG_R48,
    TCG_REG_R49,
    TCG_REG_R50,
    TCG_REG_R51,
    TCG_REG_R52,
    TCG_REG_R53,
    TCG_REG_R54,
    TCG_REG_R55,
    TCG_REG_R56,
    TCG_REG_R57,
    TCG_REG_R58,
    TCG_REG_R59,
    TCG_REG_R60,
    TCG_REG_R61,
    TCG_REG_R62,
    TCG_REG_R63,
};

#define TCG_CT_CONST_ZERO 0x100
#define TCG_CT_CONST_S22 0x200

/* used for function call generation */
#define TCG_REG_CALL_STACK TCG_REG_R12
#define TCG_TARGET_STACK_ALIGN 16
#define TCG_TARGET_CALL_STACK_OFFSET 16

/* optional instructions */
#define TCG_TARGET_HAS_andc_i32
#define TCG_TARGET_HAS_andc_i64
#define TCG_TARGET_HAS_bswap16_i32
#define TCG_TARGET_HAS_bswap16_i64
#define TCG_TARGET_HAS_bswap32_i32
#define TCG_TARGET_HAS_bswap32_i64
#define TCG_TARGET_HAS_bswap64_i64
#define TCG_TARGET_HAS_eqv_i32
#define TCG_TARGET_HAS_eqv_i64
#define TCG_TARGET_HAS_ext8s_i32
#define TCG_TARGET_HAS_ext16s_i32
#define TCG_TARGET_HAS_ext8s_i64
#define TCG_TARGET_HAS_ext16s_i64
#define TCG_TARGET_HAS_ext32s_i64
#define TCG_TARGET_HAS_ext8u_i32
#define TCG_TARGET_HAS_ext16u_i32
#define TCG_TARGET_HAS_ext8u_i64
#define TCG_TARGET_HAS_ext16u_i64
#define TCG_TARGET_HAS_ext32u_i64
#define TCG_TARGET_HAS_nand_i32
#define TCG_TARGET_HAS_nand_i64
#define TCG_TARGET_HAS_nor_i32
#define TCG_TARGET_HAS_nor_i64
#define TCG_TARGET_HAS_orc_i32
#define TCG_TARGET_HAS_orc_i64
#define TCG_TARGET_HAS_rot_i32
#define TCG_TARGET_HAS_rot_i64

/* optional instructions automatically implemented */
#undef TCG_TARGET_HAS_neg_i32   /* sub r1, r0, r3 */
#undef TCG_TARGET_HAS_neg_i64   /* sub r1, r0, r3 */
#undef TCG_TARGET_HAS_not_i32   /* xor r1, -1, r3 */
#undef TCG_TARGET_HAS_not_i64   /* xor r1, -1, r3 */

/* Note: must be synced with dyngen-exec.h */
#define TCG_AREG0 TCG_REG_R7

/* Guest base is supported */
#define TCG_TARGET_HAS_GUEST_BASE

static inline void flush_icache_range(unsigned long start, unsigned long stop)
{
    start = start & ~(32UL - 1UL);
    stop = (stop + (32UL - 1UL)) & ~(32UL - 1UL);

    for (; start < stop; start += 32UL) {
        asm volatile ("fc.i %0" :: "r" (start));
    }
    asm volatile (";;sync.i;;srlz.i;;");
}