660 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			660 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
 | |
|  * Tiny Code Generator for QEMU
 | |
|  *
 | |
|  * 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.
 | |
|  */
 | |
| 
 | |
| static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = {
 | |
|     "%g0",
 | |
|     "%g1",
 | |
|     "%g2",
 | |
|     "%g3",
 | |
|     "%g4",
 | |
|     "%g5",
 | |
|     "%g6",
 | |
|     "%g7",
 | |
|     "%o0",
 | |
|     "%o1",
 | |
|     "%o2",
 | |
|     "%o3",
 | |
|     "%o4",
 | |
|     "%o5",
 | |
|     "%o6",
 | |
|     "%o7",
 | |
|     "%l0",
 | |
|     "%l1",
 | |
|     "%l2",
 | |
|     "%l3",
 | |
|     "%l4",
 | |
|     "%l5",
 | |
|     "%l6",
 | |
|     "%l7",
 | |
|     "%i0",
 | |
|     "%i1",
 | |
|     "%i2",
 | |
|     "%i3",
 | |
|     "%i4",
 | |
|     "%i5",
 | |
|     "%i6",
 | |
|     "%i7",
 | |
| };
 | |
| 
 | |
| static const int tcg_target_reg_alloc_order[] = {
 | |
|     TCG_REG_L0,
 | |
|     TCG_REG_L1,
 | |
|     TCG_REG_L2,
 | |
|     TCG_REG_L3,
 | |
|     TCG_REG_L4,
 | |
|     TCG_REG_L5,
 | |
|     TCG_REG_L6,
 | |
|     TCG_REG_L7,
 | |
|     TCG_REG_I0,
 | |
|     TCG_REG_I1,
 | |
|     TCG_REG_I2,
 | |
|     TCG_REG_I3,
 | |
|     TCG_REG_I4,
 | |
| };
 | |
| 
 | |
| static const int tcg_target_call_iarg_regs[6] = {
 | |
|     TCG_REG_O0,
 | |
|     TCG_REG_O1,
 | |
|     TCG_REG_O2,
 | |
|     TCG_REG_O3,
 | |
|     TCG_REG_O4,
 | |
|     TCG_REG_O5,
 | |
| };
 | |
| 
 | |
| static const int tcg_target_call_oarg_regs[2] = {
 | |
|     TCG_REG_O0,
 | |
|     TCG_REG_O1,
 | |
| };
 | |
| 
 | |
| static void patch_reloc(uint8_t *code_ptr, int type,
 | |
|                         tcg_target_long value, tcg_target_long addend)
 | |
| {
 | |
|     value += addend;
 | |
|     switch (type) {
 | |
|     case R_SPARC_32:
 | |
|         if (value != (uint32_t)value)
 | |
|             tcg_abort();
 | |
|         *(uint32_t *)code_ptr = value;
 | |
|         break;
 | |
|     default:
 | |
|         tcg_abort();
 | |
|     }
 | |
| }
 | |
| 
 | |
| /* maximum number of register used for input function arguments */
 | |
| static inline int tcg_target_get_call_iarg_regs_count(int flags)
 | |
| {
 | |
|     return 6;
 | |
| }
 | |
| 
 | |
| /* parse target specific constraints */
 | |
| static int target_parse_constraint(TCGArgConstraint *ct, const char **pct_str)
 | |
| {
 | |
|     const char *ct_str;
 | |
| 
 | |
|     ct_str = *pct_str;
 | |
|     switch (ct_str[0]) {
 | |
|     case 'r':
 | |
|     case 'L': /* qemu_ld/st constraint */
 | |
|         ct->ct |= TCG_CT_REG;
 | |
|         tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
 | |
|         break;
 | |
|     case 'I':
 | |
|         ct->ct |= TCG_CT_CONST_S11;
 | |
|         break;
 | |
|     case 'J':
 | |
|         ct->ct |= TCG_CT_CONST_S13;
 | |
|         break;
 | |
|     default:
 | |
|         return -1;
 | |
|     }
 | |
|     ct_str++;
 | |
|     *pct_str = ct_str;
 | |
|     return 0;
 | |
| }
 | |
| 
 | |
| #define ABS(x) ((x) < 0? -(x) : (x))
 | |
| /* test if a constant matches the constraint */
 | |
| static inline int tcg_target_const_match(tcg_target_long val,
 | |
|                                          const TCGArgConstraint *arg_ct)
 | |
| {
 | |
|     int ct;
 | |
| 
 | |
|     ct = arg_ct->ct;
 | |
|     if (ct & TCG_CT_CONST)
 | |
|         return 1;
 | |
|     else if ((ct & TCG_CT_CONST_S11) && ABS(val) == (ABS(val) & 0x3ff))
 | |
|         return 1;
 | |
|     else if ((ct & TCG_CT_CONST_S13) && ABS(val) == (ABS(val) & 0xfff))
 | |
|         return 1;
 | |
|     else
 | |
|         return 0;
 | |
| }
 | |
| 
 | |
| #define INSN_OP(x)  ((x) << 30)
 | |
| #define INSN_OP2(x) ((x) << 22)
 | |
| #define INSN_OP3(x) ((x) << 19)
 | |
| #define INSN_OPF(x) ((x) << 5)
 | |
| #define INSN_RD(x)  ((x) << 25)
 | |
| #define INSN_RS1(x) ((x) << 14)
 | |
| #define INSN_RS2(x) (x)
 | |
| 
 | |
| #define INSN_IMM13(x) ((1 << 13) | ((x) & 0x1fff))
 | |
| #define INSN_OFF22(x) (((x) >> 2) & 0x3fffff)
 | |
| 
 | |
| #define INSN_COND(x, a) (((x) << 25) | ((a) << 29))
 | |
| #define COND_A     0x8
 | |
| #define BA         (INSN_OP(0) | INSN_COND(COND_A, 0) | INSN_OP2(0x2))
 | |
| 
 | |
| #define ARITH_ADD  (INSN_OP(2) | INSN_OP3(0x00))
 | |
| #define ARITH_AND  (INSN_OP(2) | INSN_OP3(0x01))
 | |
| #define ARITH_OR   (INSN_OP(2) | INSN_OP3(0x02))
 | |
| #define ARITH_XOR  (INSN_OP(2) | INSN_OP3(0x03))
 | |
| #define ARITH_SUB  (INSN_OP(2) | INSN_OP3(0x08))
 | |
| #define ARITH_ADDX (INSN_OP(2) | INSN_OP3(0x10))
 | |
| #define ARITH_SUBX (INSN_OP(2) | INSN_OP3(0x0c))
 | |
| #define ARITH_UMUL (INSN_OP(2) | INSN_OP3(0x0a))
 | |
| #define ARITH_UDIV (INSN_OP(2) | INSN_OP3(0x0e))
 | |
| #define ARITH_SDIV (INSN_OP(2) | INSN_OP3(0x0f))
 | |
| #define ARITH_MULX (INSN_OP(2) | INSN_OP3(0x09))
 | |
| #define ARITH_UDIVX (INSN_OP(2) | INSN_OP3(0x0d))
 | |
| #define ARITH_SDIVX (INSN_OP(2) | INSN_OP3(0x2d))
 | |
| 
 | |
| #define SHIFT_SLL  (INSN_OP(2) | INSN_OP3(0x25))
 | |
| #define SHIFT_SRL  (INSN_OP(2) | INSN_OP3(0x26))
 | |
| #define SHIFT_SRA  (INSN_OP(2) | INSN_OP3(0x27))
 | |
| 
 | |
| #define SHIFT_SLLX (INSN_OP(2) | INSN_OP3(0x25) | (1 << 12))
 | |
| #define SHIFT_SRLX (INSN_OP(2) | INSN_OP3(0x26) | (1 << 12))
 | |
| #define SHIFT_SRAX (INSN_OP(2) | INSN_OP3(0x27) | (1 << 12))
 | |
| 
 | |
| #define WRY        (INSN_OP(2) | INSN_OP3(0x30))
 | |
| #define JMPL       (INSN_OP(2) | INSN_OP3(0x38))
 | |
| #define SAVE       (INSN_OP(2) | INSN_OP3(0x3c))
 | |
| #define RESTORE    (INSN_OP(2) | INSN_OP3(0x3d))
 | |
| #define SETHI      (INSN_OP(0) | INSN_OP2(0x4))
 | |
| #define CALL       INSN_OP(1)
 | |
| #define LDUB       (INSN_OP(3) | INSN_OP3(0x01))
 | |
| #define LDSB       (INSN_OP(3) | INSN_OP3(0x09))
 | |
| #define LDUH       (INSN_OP(3) | INSN_OP3(0x02))
 | |
| #define LDSH       (INSN_OP(3) | INSN_OP3(0x0a))
 | |
| #define LDUW       (INSN_OP(3) | INSN_OP3(0x00))
 | |
| #define LDSW       (INSN_OP(3) | INSN_OP3(0x08))
 | |
| #define LDX        (INSN_OP(3) | INSN_OP3(0x0b))
 | |
| #define STB        (INSN_OP(3) | INSN_OP3(0x05))
 | |
| #define STH        (INSN_OP(3) | INSN_OP3(0x06))
 | |
| #define STW        (INSN_OP(3) | INSN_OP3(0x04))
 | |
| #define STX        (INSN_OP(3) | INSN_OP3(0x0e))
 | |
| 
 | |
| static inline void tcg_out_mov(TCGContext *s, int ret, int arg)
 | |
| {
 | |
|     tcg_out32(s, ARITH_OR | INSN_RD(ret) | INSN_RS1(arg) |
 | |
|               INSN_RS2(TCG_REG_G0));
 | |
| }
 | |
| 
 | |
| static inline void tcg_out_movi(TCGContext *s, TCGType type,
 | |
|                                 int ret, tcg_target_long arg)
 | |
| {
 | |
| #if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
 | |
|     if (arg != (arg & 0xffffffff))
 | |
|         fprintf(stderr, "unimplemented %s with constant %ld\n", __func__, arg);
 | |
| #endif
 | |
|     if (arg == (arg & 0xfff))
 | |
|         tcg_out32(s, ARITH_OR | INSN_RD(ret) | INSN_RS1(TCG_REG_G0) |
 | |
|                   INSN_IMM13(arg));
 | |
|     else {
 | |
|         tcg_out32(s, SETHI | INSN_RD(ret) | ((arg & 0xfffffc00) >> 10));
 | |
|         if (arg & 0x3ff)
 | |
|             tcg_out32(s, ARITH_OR | INSN_RD(ret) | INSN_RS1(ret) |
 | |
|                       INSN_IMM13(arg & 0x3ff));
 | |
|     }
 | |
| }
 | |
| 
 | |
| static inline void tcg_out_ld_raw(TCGContext *s, int ret,
 | |
|                                   tcg_target_long arg)
 | |
| {
 | |
|     tcg_out32(s, SETHI | INSN_RD(ret) | (((uint32_t)arg & 0xfffffc00) >> 10));
 | |
|     tcg_out32(s, LDUW | INSN_RD(ret) | INSN_RS1(ret) |
 | |
|               INSN_IMM13(arg & 0x3ff));
 | |
| }
 | |
| 
 | |
| static inline void tcg_out_ld_ptr(TCGContext *s, int ret,
 | |
|                                   tcg_target_long arg)
 | |
| {
 | |
| #if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
 | |
|     if (arg != (arg & 0xffffffff))
 | |
|         fprintf(stderr, "unimplemented %s with offset %ld\n", __func__, arg);
 | |
|     if (arg != (arg & 0xfff))
 | |
|         tcg_out32(s, SETHI | INSN_RD(ret) | (((uint32_t)arg & 0xfffffc00) >> 10));
 | |
|     tcg_out32(s, LDX | INSN_RD(ret) | INSN_RS1(ret) |
 | |
|               INSN_IMM13(arg & 0x3ff));
 | |
| #else
 | |
|     tcg_out_ld_raw(s, ret, arg);
 | |
| #endif
 | |
| }
 | |
| 
 | |
| static inline void tcg_out_ldst(TCGContext *s, int ret, int addr, int offset, int op)
 | |
| {
 | |
|     if (offset == (offset & 0xfff))
 | |
|         tcg_out32(s, op | INSN_RD(ret) | INSN_RS1(addr) |
 | |
|                   INSN_IMM13(offset));
 | |
|     else
 | |
|         fprintf(stderr, "unimplemented %s with offset %d\n", __func__, offset);
 | |
| }
 | |
| 
 | |
| static inline void tcg_out_ld(TCGContext *s, TCGType type, int ret,
 | |
|                               int arg1, tcg_target_long arg2)
 | |
| {
 | |
|     fprintf(stderr, "unimplemented %s\n", __func__);
 | |
| }
 | |
| 
 | |
| static inline void tcg_out_st(TCGContext *s, TCGType type, int arg,
 | |
|                               int arg1, tcg_target_long arg2)
 | |
| {
 | |
|     fprintf(stderr, "unimplemented %s\n", __func__);
 | |
| }
 | |
| 
 | |
| static inline void tcg_out_arith(TCGContext *s, int rd, int rs1, int rs2,
 | |
|                                  int op)
 | |
| {
 | |
|     tcg_out32(s, op | INSN_RD(rd) | INSN_RS1(rs1) |
 | |
|               INSN_RS2(rs2));
 | |
| }
 | |
| 
 | |
| static inline void tcg_out_arithi(TCGContext *s, int rd, int rs1, int offset,
 | |
|                                   int op)
 | |
| {
 | |
|     tcg_out32(s, op | INSN_RD(rd) | INSN_RS1(rs1) |
 | |
|               INSN_IMM13(offset));
 | |
| }
 | |
| 
 | |
| static inline void tcg_out_sety(TCGContext *s, tcg_target_long val)
 | |
| {
 | |
|     if (val == 0 || val == -1)
 | |
|         tcg_out32(s, WRY | INSN_IMM13(val));
 | |
|     else
 | |
|         fprintf(stderr, "unimplemented sety %ld\n", (long)val);
 | |
| }
 | |
| 
 | |
| static inline void tcg_out_addi(TCGContext *s, int reg, tcg_target_long val)
 | |
| {
 | |
|     if (val != 0) {
 | |
|         if (val == (val & 0xfff))
 | |
|             tcg_out_arithi(s, reg, reg, val, ARITH_ADD);
 | |
|         else
 | |
|             fprintf(stderr, "unimplemented addi %ld\n", (long)val);
 | |
|     }
 | |
| }
 | |
| 
 | |
| static inline void tcg_out_nop(TCGContext *s)
 | |
| {
 | |
|     tcg_out32(s, SETHI | INSN_RD(TCG_REG_G0) | 0);
 | |
| }
 | |
| 
 | |
| static inline void tcg_target_prologue(TCGContext *s)
 | |
| {
 | |
|     tcg_out32(s, SAVE | INSN_RD(TCG_REG_O6) | INSN_RS1(TCG_REG_O6) |
 | |
|               INSN_IMM13(-TCG_TARGET_STACK_MINFRAME));
 | |
| }
 | |
| 
 | |
| static inline void tcg_out_op(TCGContext *s, int opc, const TCGArg *args,
 | |
|                               const int *const_args)
 | |
| {
 | |
|     int c;
 | |
| 
 | |
|     switch (opc) {
 | |
|     case INDEX_op_exit_tb:
 | |
|         tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_I0, args[0]);
 | |
|         tcg_out32(s, JMPL | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_I7) |
 | |
|                   INSN_IMM13(8));
 | |
|         tcg_out32(s, RESTORE | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_G0) |
 | |
|                       INSN_RS2(TCG_REG_G0));
 | |
|         break;
 | |
|     case INDEX_op_goto_tb:
 | |
|         if (s->tb_jmp_offset) {
 | |
|             /* direct jump method */
 | |
|             if (ABS(args[0] - (unsigned long)s->code_ptr) ==
 | |
|                 (ABS(args[0] - (unsigned long)s->code_ptr) & 0x1fffff)) {
 | |
|                 tcg_out32(s, BA |
 | |
|                           INSN_OFF22(args[0] - (unsigned long)s->code_ptr));
 | |
|             } else {
 | |
|                 tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_I5, args[0]);
 | |
|                 tcg_out32(s, JMPL | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_I5) |
 | |
|                           INSN_RS2(TCG_REG_G0));
 | |
|             }
 | |
|             s->tb_jmp_offset[args[0]] = s->code_ptr - s->code_buf;
 | |
|         } else {
 | |
|             /* indirect jump method */
 | |
|             tcg_out_ld_ptr(s, TCG_REG_I5, (tcg_target_long)(s->tb_next + args[0]));
 | |
|             tcg_out32(s, JMPL | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_I5) |
 | |
|                       INSN_RS2(TCG_REG_G0));
 | |
|         }
 | |
|         tcg_out_nop(s);
 | |
|         s->tb_next_offset[args[0]] = s->code_ptr - s->code_buf;
 | |
|         break;
 | |
|     case INDEX_op_call:
 | |
|         if (const_args[0]) {
 | |
|             tcg_out32(s, CALL | ((((tcg_target_ulong)args[0]
 | |
|                                   - (tcg_target_ulong)s->code_ptr) >> 2)
 | |
|                                  & 0x3fffffff));
 | |
|             tcg_out_nop(s);
 | |
|         } else {
 | |
|             tcg_out_ld_ptr(s, TCG_REG_O7, (tcg_target_long)(s->tb_next + args[0]));
 | |
|             tcg_out32(s, JMPL | INSN_RD(TCG_REG_O7) | INSN_RS1(TCG_REG_O7) |
 | |
|                       INSN_RS2(TCG_REG_G0));
 | |
|             tcg_out_nop(s);
 | |
|         }
 | |
|         break;
 | |
|     case INDEX_op_jmp:
 | |
|         fprintf(stderr, "unimplemented jmp\n");
 | |
|         break;
 | |
|     case INDEX_op_br:
 | |
|         fprintf(stderr, "unimplemented br\n");
 | |
|         break;
 | |
|     case INDEX_op_movi_i32:
 | |
|         tcg_out_movi(s, TCG_TYPE_I32, args[0], (uint32_t)args[1]);
 | |
|         break;
 | |
| 
 | |
| #if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
 | |
| #define OP_32_64(x)                             \
 | |
|         glue(glue(case INDEX_op_, x), _i32:)    \
 | |
|         glue(glue(case INDEX_op_, x), _i64:)
 | |
| #else
 | |
| #define OP_32_64(x)                             \
 | |
|         glue(glue(case INDEX_op_, x), _i32:)
 | |
| #endif
 | |
|         OP_32_64(ld8u);
 | |
|         tcg_out_ldst(s, args[0], args[1], args[2], LDUB);
 | |
|         break;
 | |
|         OP_32_64(ld8s);
 | |
|         tcg_out_ldst(s, args[0], args[1], args[2], LDSB);
 | |
|         break;
 | |
|         OP_32_64(ld16u);
 | |
|         tcg_out_ldst(s, args[0], args[1], args[2], LDUH);
 | |
|         break;
 | |
|         OP_32_64(ld16s);
 | |
|         tcg_out_ldst(s, args[0], args[1], args[2], LDSH);
 | |
|         break;
 | |
|     case INDEX_op_ld_i32:
 | |
| #if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
 | |
|     case INDEX_op_ld32u_i64:
 | |
| #endif
 | |
|         tcg_out_ldst(s, args[0], args[1], args[2], LDUW);
 | |
|         break;
 | |
|         OP_32_64(st8);
 | |
|         tcg_out_ldst(s, args[0], args[1], args[2], STB);
 | |
|         break;
 | |
|         OP_32_64(st16);
 | |
|         tcg_out_ldst(s, args[0], args[1], args[2], STH);
 | |
|         break;
 | |
|     case INDEX_op_st_i32:
 | |
| #if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
 | |
|     case INDEX_op_st32_i64:
 | |
| #endif
 | |
|         tcg_out_ldst(s, args[0], args[1], args[2], STW);
 | |
|         break;
 | |
|         OP_32_64(add);
 | |
|         c = ARITH_ADD;
 | |
|         goto gen_arith32;
 | |
|         OP_32_64(sub);
 | |
|         c = ARITH_SUB;
 | |
|         goto gen_arith32;
 | |
|         OP_32_64(and);
 | |
|         c = ARITH_AND;
 | |
|         goto gen_arith32;
 | |
|         OP_32_64(or);
 | |
|         c = ARITH_OR;
 | |
|         goto gen_arith32;
 | |
|         OP_32_64(xor);
 | |
|         c = ARITH_XOR;
 | |
|         goto gen_arith32;
 | |
|     case INDEX_op_shl_i32:
 | |
|         c = SHIFT_SLL;
 | |
|         goto gen_arith32;
 | |
|     case INDEX_op_shr_i32:
 | |
|         c = SHIFT_SRL;
 | |
|         goto gen_arith32;
 | |
|     case INDEX_op_sar_i32:
 | |
|         c = SHIFT_SRA;
 | |
|         goto gen_arith32;
 | |
|     case INDEX_op_mul_i32:
 | |
|         c = ARITH_UMUL;
 | |
|         goto gen_arith32;
 | |
|     case INDEX_op_div2_i32:
 | |
| #if defined(__sparc_v9__) || defined(__sparc_v8plus__)
 | |
|         c = ARITH_SDIVX;
 | |
|         goto gen_arith32;
 | |
| #else
 | |
|         tcg_out_sety(s, 0);
 | |
|         c = ARITH_SDIV;
 | |
|         goto gen_arith32;
 | |
| #endif
 | |
|     case INDEX_op_divu2_i32:
 | |
| #if defined(__sparc_v9__) || defined(__sparc_v8plus__)
 | |
|         c = ARITH_UDIVX;
 | |
|         goto gen_arith32;
 | |
| #else
 | |
|         tcg_out_sety(s, 0);
 | |
|         c = ARITH_UDIV;
 | |
|         goto gen_arith32;
 | |
| #endif
 | |
| 
 | |
|     case INDEX_op_brcond_i32:
 | |
|         fprintf(stderr, "unimplemented brcond\n");
 | |
|         break;
 | |
| 
 | |
|     case INDEX_op_qemu_ld8u:
 | |
|         fprintf(stderr, "unimplemented qld\n");
 | |
|         break;
 | |
|     case INDEX_op_qemu_ld8s:
 | |
|         fprintf(stderr, "unimplemented qld\n");
 | |
|         break;
 | |
|     case INDEX_op_qemu_ld16u:
 | |
|         fprintf(stderr, "unimplemented qld\n");
 | |
|         break;
 | |
|     case INDEX_op_qemu_ld16s:
 | |
|         fprintf(stderr, "unimplemented qld\n");
 | |
|         break;
 | |
|     case INDEX_op_qemu_ld32u:
 | |
|         fprintf(stderr, "unimplemented qld\n");
 | |
|         break;
 | |
|     case INDEX_op_qemu_ld32s:
 | |
|         fprintf(stderr, "unimplemented qld\n");
 | |
|         break;
 | |
|     case INDEX_op_qemu_st8:
 | |
|         fprintf(stderr, "unimplemented qst\n");
 | |
|         break;
 | |
|     case INDEX_op_qemu_st16:
 | |
|         fprintf(stderr, "unimplemented qst\n");
 | |
|         break;
 | |
|     case INDEX_op_qemu_st32:
 | |
|         fprintf(stderr, "unimplemented qst\n");
 | |
|         break;
 | |
| 
 | |
| #if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
 | |
|     case INDEX_op_movi_i64:
 | |
|         tcg_out_movi(s, TCG_TYPE_I64, args[0], args[1]);
 | |
|         break;
 | |
|     case INDEX_op_ld32s_i64:
 | |
|         tcg_out_ldst(s, args[0], args[1], args[2], LDSW);
 | |
|         break;
 | |
|     case INDEX_op_ld_i64:
 | |
|         tcg_out_ldst(s, args[0], args[1], args[2], LDX);
 | |
|         break;
 | |
|     case INDEX_op_st_i64:
 | |
|         tcg_out_ldst(s, args[0], args[1], args[2], STX);
 | |
|         break;
 | |
|     case INDEX_op_shl_i64:
 | |
|         c = SHIFT_SLLX;
 | |
|         goto gen_arith32;
 | |
|     case INDEX_op_shr_i64:
 | |
|         c = SHIFT_SRLX;
 | |
|         goto gen_arith32;
 | |
|     case INDEX_op_sar_i64:
 | |
|         c = SHIFT_SRAX;
 | |
|         goto gen_arith32;
 | |
|     case INDEX_op_mul_i64:
 | |
|         c = ARITH_MULX;
 | |
|         goto gen_arith32;
 | |
|     case INDEX_op_div2_i64:
 | |
|         c = ARITH_SDIVX;
 | |
|         goto gen_arith32;
 | |
|     case INDEX_op_divu2_i64:
 | |
|         c = ARITH_UDIVX;
 | |
|         goto gen_arith32;
 | |
| 
 | |
|     case INDEX_op_brcond_i64:
 | |
|         fprintf(stderr, "unimplemented brcond\n");
 | |
|         break;
 | |
|     case INDEX_op_qemu_ld64:
 | |
|         fprintf(stderr, "unimplemented qld\n");
 | |
|         break;
 | |
|     case INDEX_op_qemu_st64:
 | |
|         fprintf(stderr, "unimplemented qst\n");
 | |
|         break;
 | |
| 
 | |
| #endif
 | |
|     gen_arith32:
 | |
|         if (const_args[2]) {
 | |
|             tcg_out_arithi(s, args[0], args[1], args[2], c);
 | |
|         } else {
 | |
|             tcg_out_arith(s, args[0], args[1], args[2], c);
 | |
|         }
 | |
|         break;
 | |
| 
 | |
|     default:
 | |
|         fprintf(stderr, "unknown opcode 0x%x\n", opc);
 | |
|         tcg_abort();
 | |
|     }
 | |
| }
 | |
| 
 | |
| static const TCGTargetOpDef sparc_op_defs[] = {
 | |
|     { INDEX_op_exit_tb, { } },
 | |
|     { INDEX_op_goto_tb, { } },
 | |
|     { INDEX_op_call, { "ri" } },
 | |
|     { INDEX_op_jmp, { "ri" } },
 | |
|     { INDEX_op_br, { } },
 | |
| 
 | |
|     { INDEX_op_mov_i32, { "r", "r" } },
 | |
|     { INDEX_op_movi_i32, { "r" } },
 | |
|     { INDEX_op_ld8u_i32, { "r", "r" } },
 | |
|     { INDEX_op_ld8s_i32, { "r", "r" } },
 | |
|     { INDEX_op_ld16u_i32, { "r", "r" } },
 | |
|     { INDEX_op_ld16s_i32, { "r", "r" } },
 | |
|     { INDEX_op_ld_i32, { "r", "r" } },
 | |
|     { INDEX_op_st8_i32, { "r", "r" } },
 | |
|     { INDEX_op_st16_i32, { "r", "r" } },
 | |
|     { INDEX_op_st_i32, { "r", "r" } },
 | |
| 
 | |
|     { INDEX_op_add_i32, { "r", "r", "rJ" } },
 | |
|     { INDEX_op_mul_i32, { "r", "r", "rJ" } },
 | |
|     { INDEX_op_div2_i32, { "r", "r", "0", "1", "r" } },
 | |
|     { INDEX_op_divu2_i32, { "r", "r", "0", "1", "r" } },
 | |
|     { INDEX_op_sub_i32, { "r", "r", "rJ" } },
 | |
|     { INDEX_op_and_i32, { "r", "r", "rJ" } },
 | |
|     { INDEX_op_or_i32, { "r", "r", "rJ" } },
 | |
|     { INDEX_op_xor_i32, { "r", "r", "rJ" } },
 | |
| 
 | |
|     { INDEX_op_shl_i32, { "r", "r", "rJ" } },
 | |
|     { INDEX_op_shr_i32, { "r", "r", "rJ" } },
 | |
|     { INDEX_op_sar_i32, { "r", "r", "rJ" } },
 | |
| 
 | |
|     { INDEX_op_brcond_i32, { "r", "ri" } },
 | |
| 
 | |
|     { INDEX_op_qemu_ld8u, { "r", "L" } },
 | |
|     { INDEX_op_qemu_ld8s, { "r", "L" } },
 | |
|     { INDEX_op_qemu_ld16u, { "r", "L" } },
 | |
|     { INDEX_op_qemu_ld16s, { "r", "L" } },
 | |
|     { INDEX_op_qemu_ld32u, { "r", "L" } },
 | |
|     { INDEX_op_qemu_ld32s, { "r", "L" } },
 | |
| 
 | |
|     { INDEX_op_qemu_st8, { "L", "L" } },
 | |
|     { INDEX_op_qemu_st16, { "L", "L" } },
 | |
|     { INDEX_op_qemu_st32, { "L", "L" } },
 | |
| 
 | |
| #if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
 | |
|     { INDEX_op_mov_i64, { "r", "r" } },
 | |
|     { INDEX_op_movi_i64, { "r" } },
 | |
|     { INDEX_op_ld8u_i64, { "r", "r" } },
 | |
|     { INDEX_op_ld8s_i64, { "r", "r" } },
 | |
|     { INDEX_op_ld16u_i64, { "r", "r" } },
 | |
|     { INDEX_op_ld16s_i64, { "r", "r" } },
 | |
|     { INDEX_op_ld32u_i64, { "r", "r" } },
 | |
|     { INDEX_op_ld32s_i64, { "r", "r" } },
 | |
|     { INDEX_op_ld_i64, { "r", "r" } },
 | |
|     { INDEX_op_st8_i64, { "r", "r" } },
 | |
|     { INDEX_op_st16_i64, { "r", "r" } },
 | |
|     { INDEX_op_st32_i64, { "r", "r" } },
 | |
|     { INDEX_op_st_i64, { "r", "r" } },
 | |
| 
 | |
|     { INDEX_op_add_i64, { "r", "r", "rJ" } },
 | |
|     { INDEX_op_mul_i64, { "r", "r", "rJ" } },
 | |
|     { INDEX_op_div2_i64, { "r", "r", "0", "1", "r" } },
 | |
|     { INDEX_op_divu2_i64, { "r", "r", "0", "1", "r" } },
 | |
|     { INDEX_op_sub_i64, { "r", "r", "rJ" } },
 | |
|     { INDEX_op_and_i64, { "r", "r", "rJ" } },
 | |
|     { INDEX_op_or_i64, { "r", "r", "rJ" } },
 | |
|     { INDEX_op_xor_i64, { "r", "r", "rJ" } },
 | |
| 
 | |
|     { INDEX_op_shl_i64, { "r", "r", "rJ" } },
 | |
|     { INDEX_op_shr_i64, { "r", "r", "rJ" } },
 | |
|     { INDEX_op_sar_i64, { "r", "r", "rJ" } },
 | |
| 
 | |
|     { INDEX_op_brcond_i64, { "r", "ri" } },
 | |
| #endif
 | |
|     { -1 },
 | |
| };
 | |
| 
 | |
| void tcg_target_init(TCGContext *s)
 | |
| {
 | |
|     tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I32], 0, 0xffffffff);
 | |
| #if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
 | |
|     tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I64], 0, 0xffffffff);
 | |
| #endif
 | |
|     tcg_regset_set32(tcg_target_call_clobber_regs, 0,
 | |
|                      (1 << TCG_REG_G1) |
 | |
|                      (1 << TCG_REG_G2) |
 | |
|                      (1 << TCG_REG_G3) |
 | |
|                      (1 << TCG_REG_G4) |
 | |
|                      (1 << TCG_REG_G5) |
 | |
|                      (1 << TCG_REG_G6) |
 | |
|                      (1 << TCG_REG_G7) |
 | |
|                      (1 << TCG_REG_O0) |
 | |
|                      (1 << TCG_REG_O1) |
 | |
|                      (1 << TCG_REG_O2) |
 | |
|                      (1 << TCG_REG_O3) |
 | |
|                      (1 << TCG_REG_O4) |
 | |
|                      (1 << TCG_REG_O5) |
 | |
|                      (1 << TCG_REG_O7));
 | |
| 
 | |
|     tcg_regset_clear(s->reserved_regs);
 | |
|     tcg_regset_set_reg(s->reserved_regs, TCG_REG_G0);
 | |
|     tcg_regset_set_reg(s->reserved_regs, TCG_REG_I5); // for internal use
 | |
|     tcg_regset_set_reg(s->reserved_regs, TCG_REG_I6);
 | |
|     tcg_regset_set_reg(s->reserved_regs, TCG_REG_I7);
 | |
|     tcg_regset_set_reg(s->reserved_regs, TCG_REG_O6);
 | |
|     tcg_regset_set_reg(s->reserved_regs, TCG_REG_O7);
 | |
|     tcg_add_target_add_op_defs(sparc_op_defs);
 | |
| }
 |