diff options
Diffstat (limited to 'tcg')
| -rw-r--r-- | tcg/sparc/tcg-target.c | 612 | ||||
| -rw-r--r-- | tcg/sparc/tcg-target.h | 110 |
2 files changed, 722 insertions, 0 deletions
diff --git a/tcg/sparc/tcg-target.c b/tcg/sparc/tcg-target.c new file mode 100644 index 0000000000..689d73a4e3 --- /dev/null +++ b/tcg/sparc/tcg-target.c @@ -0,0 +1,612 @@ +/* + * 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_TARGET_NB_REGS] = { + 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, + TCG_REG_I5, +}; + +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) +{ + 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_COND(x, a) (((x) << 25) | ((a) << 29) + +#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 (arg == (arg & 0xfff)) + tcg_out32(s, ARITH_OR | INSN_RD(ret) | INSN_RS2(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_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, int ret, + int arg1, tcg_target_long arg2) +{ + fprintf(stderr, "unimplemented %s\n", __func__); +} + +static inline void tcg_out_st(TCGContext *s, 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_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_TL, TCG_REG_O0, args[0]); + tcg_out32(s, JMPL | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_O7) | + INSN_IMM13(8)); + tcg_out_nop(s); + break; + case INDEX_op_goto_tb: + if (s->tb_jmp_offset) { + /* direct jump method */ + tcg_out32(s, CALL | 0); + s->tb_jmp_offset[args[0]] = s->code_ptr - s->code_buf; + tcg_out_nop(s); + } else { + /* indirect jump method */ + tcg_out_ld_raw(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_RD(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_raw(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_RD(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_ld_i32u_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_st_i32_i64: +#endif + tcg_out_ldst(s, args[0], args[1], args[2], STW); + break; + 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; + OP_32_64(add); + c = ARITH_ADD; + 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; + + 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_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_DIVX; + 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 + 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", "0", "rJ" } }, + { INDEX_op_mul_i32, { "r", "0", "rJ" } }, + { INDEX_op_div2_i32, { "r", "r", "0", "1", "r" } }, + { INDEX_op_divu2_i32, { "r", "r", "0", "1", "r" } }, + { INDEX_op_sub_i32, { "r", "0", "rJ" } }, + { INDEX_op_and_i32, { "r", "0", "rJ" } }, + { INDEX_op_or_i32, { "r", "0", "rJ" } }, + { INDEX_op_xor_i32, { "r", "0", "rJ" } }, + + { INDEX_op_shl_i32, { "r", "0", "rJ" } }, + { INDEX_op_shr_i32, { "r", "0", "rJ" } }, + { INDEX_op_sar_i32, { "r", "0", "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", "0", "rJ" } }, + { INDEX_op_mul_i64, { "r", "0", "rJ" } }, + { INDEX_op_div2_i64, { "r", "r", "0", "1", "r" } }, + { INDEX_op_divu2_i64, { "r", "r", "0", "1", "r" } }, + { INDEX_op_sub_i64, { "r", "0", "rJ" } }, + { INDEX_op_and_i64, { "r", "0", "rJ" } }, + { INDEX_op_or_i64, { "r", "0", "rJ" } }, + { INDEX_op_xor_i64, { "r", "0", "rJ" } }, + + { INDEX_op_shl_i64, { "r", "0", "rJ" } }, + { INDEX_op_shr_i64, { "r", "0", "rJ" } }, + { INDEX_op_sar_i64, { "r", "0", "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_O0) | + (1 << TCG_REG_O1) | + (1 << TCG_REG_O2) | + (1 << TCG_REG_O3) | + (1 << TCG_REG_O4) | + (1 << TCG_REG_O5) | + (1 << TCG_REG_O6) | + (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_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); +} diff --git a/tcg/sparc/tcg-target.h b/tcg/sparc/tcg-target.h new file mode 100644 index 0000000000..4d49313f5d --- /dev/null +++ b/tcg/sparc/tcg-target.h @@ -0,0 +1,110 @@ +/* + * 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. + */ +#define TCG_TARGET_SPARC 1 + +#if defined(__sparc_v9__) && !defined(__sparc_v8plus__) +#define TCG_TARGET_REG_BITS 64 +#else +#define TCG_TARGET_REG_BITS 32 +#endif + +#define TCG_TARGET_WORDS_BIGENDIAN + +#define TCG_TARGET_NB_REGS 32 + +enum { + TCG_REG_G0 = 0, + TCG_REG_G1, + TCG_REG_G2, + TCG_REG_G3, + TCG_REG_G4, + TCG_REG_G5, + TCG_REG_G6, + TCG_REG_G7, + TCG_REG_O0, + TCG_REG_O1, + TCG_REG_O2, + TCG_REG_O3, + TCG_REG_O4, + TCG_REG_O5, + TCG_REG_O6, + TCG_REG_O7, + 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, + TCG_REG_I5, + TCG_REG_I6, + TCG_REG_I7, +}; + +#define TCG_CT_CONST_S11 0x100 +#define TCG_CT_CONST_S13 0x200 + +/* used for function call generation */ +#define TCG_REG_CALL_STACK TCG_REG_O6 +#define TCG_TARGET_STACK_ALIGN 16 + +/* optional instructions */ +//#define TCG_TARGET_HAS_bswap_i32 +//#define TCG_TARGET_HAS_bswap_i64 + +/* Note: must be synced with dyngen-exec.h */ +#ifdef HOST_SOLARIS +#define TCG_AREG0 TCG_REG_G2 +#define TCG_AREG1 TCG_REG_G3 +#define TCG_AREG2 TCG_REG_G4 +#define TCG_AREG3 TCG_REG_G5 +#define TCG_AREG4 TCG_REG_G6 +#elif defined(__sparc_v9__) +#define TCG_AREG0 TCG_REG_G1 +#define TCG_AREG1 TCG_REG_G4 +#define TCG_AREG2 TCG_REG_G5 +#define TCG_AREG3 TCG_REG_G7 +#else +#define TCG_AREG0 TCG_REG_G6 +#define TCG_AREG1 TCG_REG_G1 +#define TCG_AREG2 TCG_REG_G2 +#define TCG_AREG3 TCG_REG_G3 +#endif + +static inline void flush_icache_range(unsigned long start, unsigned long stop) +{ + unsigned long p; + + p = start & ~(8UL - 1UL); + stop = (stop + (8UL - 1UL)) & ~(8UL - 1UL); + + for (; p < stop; p += 8) + __asm__ __volatile__("flush\t%0" : : "r" (p)); +} |