Archipelago » qemu

/*

 * 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

/* We only map the first 64 registers */

#define TCG_TARGET_NB_REGS 64

typedef 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,

} TCGReg;

#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_div_i32          0

#define TCG_TARGET_HAS_div_i64          0

#define TCG_TARGET_HAS_andc_i32         1

#define TCG_TARGET_HAS_andc_i64         1

#define TCG_TARGET_HAS_bswap16_i32      1

#define TCG_TARGET_HAS_bswap16_i64      1

#define TCG_TARGET_HAS_bswap32_i32      1

#define TCG_TARGET_HAS_bswap32_i64      1

#define TCG_TARGET_HAS_bswap64_i64      1

#define TCG_TARGET_HAS_eqv_i32          1

#define TCG_TARGET_HAS_eqv_i64          1

#define TCG_TARGET_HAS_ext8s_i32        1

#define TCG_TARGET_HAS_ext16s_i32       1

#define TCG_TARGET_HAS_ext8s_i64        1

#define TCG_TARGET_HAS_ext16s_i64       1

#define TCG_TARGET_HAS_ext32s_i64       1

#define TCG_TARGET_HAS_ext8u_i32        1

#define TCG_TARGET_HAS_ext16u_i32       1

#define TCG_TARGET_HAS_ext8u_i64        1

#define TCG_TARGET_HAS_ext16u_i64       1

#define TCG_TARGET_HAS_ext32u_i64       1

#define TCG_TARGET_HAS_nand_i32         1

#define TCG_TARGET_HAS_nand_i64         1

#define TCG_TARGET_HAS_nor_i32          1

#define TCG_TARGET_HAS_nor_i64          1

#define TCG_TARGET_HAS_orc_i32          1

#define TCG_TARGET_HAS_orc_i64          1

#define TCG_TARGET_HAS_rot_i32          1

#define TCG_TARGET_HAS_rot_i64          1

#define TCG_TARGET_HAS_deposit_i32      0

#define TCG_TARGET_HAS_deposit_i64      0

/* optional instructions automatically implemented */

#define TCG_TARGET_HAS_neg_i32          0 /* sub r1, r0, r3 */

#define TCG_TARGET_HAS_neg_i64          0 /* sub r1, r0, r3 */

#define TCG_TARGET_HAS_not_i32          0 /* xor r1, -1, r3 */

#define TCG_TARGET_HAS_not_i64          0 /* 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(tcg_target_ulong start,

                                      tcg_target_ulong 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;;");

}