root / tcg / sparc / tcg-target.c @ cb1977d3
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/*
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* Tiny Code Generator for QEMU
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*
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* Copyright (c) 2008 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef NDEBUG
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static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = { |
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"%g0",
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"%g1",
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"%g2",
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"%g3",
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"%g4",
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"%g5",
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"%g6",
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"%g7",
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"%o0",
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"%o1",
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"%o2",
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"%o3",
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"%o4",
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"%o5",
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"%o6",
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"%o7",
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"%l0",
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"%l1",
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"%l2",
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"%l3",
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"%l4",
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"%l5",
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"%l6",
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"%l7",
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"%i0",
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"%i1",
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"%i2",
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"%i3",
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"%i4",
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"%i5",
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"%i6",
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"%i7",
|
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}; |
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#endif
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|
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#ifdef CONFIG_TCG_PASS_AREG0
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#define ARG_OFFSET 1 |
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#else
|
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#define ARG_OFFSET 0 |
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#endif
|
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|
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static const int tcg_target_reg_alloc_order[] = { |
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TCG_REG_L0, |
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TCG_REG_L1, |
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TCG_REG_L2, |
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TCG_REG_L3, |
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TCG_REG_L4, |
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TCG_REG_L5, |
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TCG_REG_L6, |
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TCG_REG_L7, |
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TCG_REG_I0, |
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TCG_REG_I1, |
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TCG_REG_I2, |
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TCG_REG_I3, |
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TCG_REG_I4, |
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}; |
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|
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static const int tcg_target_call_iarg_regs[6] = { |
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TCG_REG_O0, |
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TCG_REG_O1, |
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TCG_REG_O2, |
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TCG_REG_O3, |
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TCG_REG_O4, |
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TCG_REG_O5, |
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}; |
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|
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static const int tcg_target_call_oarg_regs[] = { |
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TCG_REG_O0, |
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TCG_REG_O1, |
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TCG_REG_O2, |
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TCG_REG_O3, |
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}; |
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|
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static inline int check_fit_tl(tcg_target_long val, unsigned int bits) |
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{
|
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return (val << ((sizeof(tcg_target_long) * 8 - bits)) |
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>> (sizeof(tcg_target_long) * 8 - bits)) == val; |
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} |
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|
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static inline int check_fit_i32(uint32_t val, unsigned int bits) |
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{
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return ((val << (32 - bits)) >> (32 - bits)) == val; |
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} |
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|
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static void patch_reloc(uint8_t *code_ptr, int type, |
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tcg_target_long value, tcg_target_long addend) |
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{
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value += addend; |
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switch (type) {
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case R_SPARC_32:
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if (value != (uint32_t)value)
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tcg_abort(); |
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*(uint32_t *)code_ptr = value; |
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break;
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case R_SPARC_WDISP22:
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value -= (long)code_ptr;
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value >>= 2;
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if (!check_fit_tl(value, 22)) |
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tcg_abort(); |
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*(uint32_t *)code_ptr = ((*(uint32_t *)code_ptr) & ~0x3fffff) | value;
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break;
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case R_SPARC_WDISP19:
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value -= (long)code_ptr;
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value >>= 2;
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if (!check_fit_tl(value, 19)) |
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tcg_abort(); |
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*(uint32_t *)code_ptr = ((*(uint32_t *)code_ptr) & ~0x7ffff) | value;
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break;
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default:
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tcg_abort(); |
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} |
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} |
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|
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/* maximum number of register used for input function arguments */
|
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static inline int tcg_target_get_call_iarg_regs_count(int flags) |
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{
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return 6; |
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} |
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|
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/* parse target specific constraints */
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static int target_parse_constraint(TCGArgConstraint *ct, const char **pct_str) |
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{
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const char *ct_str; |
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|
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ct_str = *pct_str; |
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switch (ct_str[0]) { |
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case 'r': |
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ct->ct |= TCG_CT_REG; |
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tcg_regset_set32(ct->u.regs, 0, 0xffffffff); |
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break;
|
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case 'L': /* qemu_ld/st constraint */ |
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ct->ct |= TCG_CT_REG; |
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tcg_regset_set32(ct->u.regs, 0, 0xffffffff); |
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// Helper args
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tcg_regset_reset_reg(ct->u.regs, TCG_REG_O0); |
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tcg_regset_reset_reg(ct->u.regs, TCG_REG_O1); |
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tcg_regset_reset_reg(ct->u.regs, TCG_REG_O2); |
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#ifdef CONFIG_TCG_PASS_AREG0
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tcg_regset_reset_reg(ct->u.regs, TCG_REG_O3); |
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#endif
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break;
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case 'I': |
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ct->ct |= TCG_CT_CONST_S11; |
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break;
|
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case 'J': |
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ct->ct |= TCG_CT_CONST_S13; |
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break;
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default:
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return -1; |
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} |
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ct_str++; |
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*pct_str = ct_str; |
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return 0; |
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} |
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|
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/* test if a constant matches the constraint */
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static inline int tcg_target_const_match(tcg_target_long val, |
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const TCGArgConstraint *arg_ct)
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{
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int ct;
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|
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ct = arg_ct->ct; |
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if (ct & TCG_CT_CONST)
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return 1; |
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else if ((ct & TCG_CT_CONST_S11) && check_fit_tl(val, 11)) |
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return 1; |
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else if ((ct & TCG_CT_CONST_S13) && check_fit_tl(val, 13)) |
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return 1; |
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else
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return 0; |
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} |
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|
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#define INSN_OP(x) ((x) << 30) |
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#define INSN_OP2(x) ((x) << 22) |
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#define INSN_OP3(x) ((x) << 19) |
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#define INSN_OPF(x) ((x) << 5) |
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#define INSN_RD(x) ((x) << 25) |
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#define INSN_RS1(x) ((x) << 14) |
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#define INSN_RS2(x) (x)
|
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#define INSN_ASI(x) ((x) << 5) |
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|
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#define INSN_IMM11(x) ((1 << 13) | ((x) & 0x7ff)) |
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#define INSN_IMM13(x) ((1 << 13) | ((x) & 0x1fff)) |
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#define INSN_OFF19(x) (((x) >> 2) & 0x07ffff) |
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#define INSN_OFF22(x) (((x) >> 2) & 0x3fffff) |
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|
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#define INSN_COND(x, a) (((x) << 25) | ((a) << 29)) |
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#define COND_N 0x0 |
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#define COND_E 0x1 |
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#define COND_LE 0x2 |
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#define COND_L 0x3 |
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#define COND_LEU 0x4 |
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#define COND_CS 0x5 |
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#define COND_NEG 0x6 |
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#define COND_VS 0x7 |
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#define COND_A 0x8 |
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#define COND_NE 0x9 |
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#define COND_G 0xa |
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#define COND_GE 0xb |
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#define COND_GU 0xc |
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#define COND_CC 0xd |
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#define COND_POS 0xe |
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#define COND_VC 0xf |
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#define BA (INSN_OP(0) | INSN_COND(COND_A, 0) | INSN_OP2(0x2)) |
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|
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#define MOVCC_ICC (1 << 18) |
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#define MOVCC_XCC (1 << 18 | 1 << 12) |
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|
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#define ARITH_ADD (INSN_OP(2) | INSN_OP3(0x00)) |
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#define ARITH_ADDCC (INSN_OP(2) | INSN_OP3(0x10)) |
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#define ARITH_AND (INSN_OP(2) | INSN_OP3(0x01)) |
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#define ARITH_ANDN (INSN_OP(2) | INSN_OP3(0x05)) |
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#define ARITH_OR (INSN_OP(2) | INSN_OP3(0x02)) |
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#define ARITH_ORCC (INSN_OP(2) | INSN_OP3(0x12)) |
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#define ARITH_ORN (INSN_OP(2) | INSN_OP3(0x06)) |
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#define ARITH_XOR (INSN_OP(2) | INSN_OP3(0x03)) |
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#define ARITH_SUB (INSN_OP(2) | INSN_OP3(0x04)) |
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#define ARITH_SUBCC (INSN_OP(2) | INSN_OP3(0x14)) |
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#define ARITH_ADDX (INSN_OP(2) | INSN_OP3(0x10)) |
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#define ARITH_SUBX (INSN_OP(2) | INSN_OP3(0x0c)) |
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#define ARITH_UMUL (INSN_OP(2) | INSN_OP3(0x0a)) |
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#define ARITH_UDIV (INSN_OP(2) | INSN_OP3(0x0e)) |
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#define ARITH_SDIV (INSN_OP(2) | INSN_OP3(0x0f)) |
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#define ARITH_MULX (INSN_OP(2) | INSN_OP3(0x09)) |
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#define ARITH_UDIVX (INSN_OP(2) | INSN_OP3(0x0d)) |
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#define ARITH_SDIVX (INSN_OP(2) | INSN_OP3(0x2d)) |
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#define ARITH_MOVCC (INSN_OP(2) | INSN_OP3(0x2c)) |
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|
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#define SHIFT_SLL (INSN_OP(2) | INSN_OP3(0x25)) |
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#define SHIFT_SRL (INSN_OP(2) | INSN_OP3(0x26)) |
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#define SHIFT_SRA (INSN_OP(2) | INSN_OP3(0x27)) |
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|
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#define SHIFT_SLLX (INSN_OP(2) | INSN_OP3(0x25) | (1 << 12)) |
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#define SHIFT_SRLX (INSN_OP(2) | INSN_OP3(0x26) | (1 << 12)) |
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#define SHIFT_SRAX (INSN_OP(2) | INSN_OP3(0x27) | (1 << 12)) |
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|
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#define RDY (INSN_OP(2) | INSN_OP3(0x28) | INSN_RS1(0)) |
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#define WRY (INSN_OP(2) | INSN_OP3(0x30) | INSN_RD(0)) |
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#define JMPL (INSN_OP(2) | INSN_OP3(0x38)) |
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#define SAVE (INSN_OP(2) | INSN_OP3(0x3c)) |
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#define RESTORE (INSN_OP(2) | INSN_OP3(0x3d)) |
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#define SETHI (INSN_OP(0) | INSN_OP2(0x4)) |
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#define CALL INSN_OP(1) |
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#define LDUB (INSN_OP(3) | INSN_OP3(0x01)) |
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#define LDSB (INSN_OP(3) | INSN_OP3(0x09)) |
| 272 |
#define LDUH (INSN_OP(3) | INSN_OP3(0x02)) |
| 273 |
#define LDSH (INSN_OP(3) | INSN_OP3(0x0a)) |
| 274 |
#define LDUW (INSN_OP(3) | INSN_OP3(0x00)) |
| 275 |
#define LDSW (INSN_OP(3) | INSN_OP3(0x08)) |
| 276 |
#define LDX (INSN_OP(3) | INSN_OP3(0x0b)) |
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#define STB (INSN_OP(3) | INSN_OP3(0x05)) |
| 278 |
#define STH (INSN_OP(3) | INSN_OP3(0x06)) |
| 279 |
#define STW (INSN_OP(3) | INSN_OP3(0x04)) |
| 280 |
#define STX (INSN_OP(3) | INSN_OP3(0x0e)) |
| 281 |
#define LDUBA (INSN_OP(3) | INSN_OP3(0x11)) |
| 282 |
#define LDSBA (INSN_OP(3) | INSN_OP3(0x19)) |
| 283 |
#define LDUHA (INSN_OP(3) | INSN_OP3(0x12)) |
| 284 |
#define LDSHA (INSN_OP(3) | INSN_OP3(0x1a)) |
| 285 |
#define LDUWA (INSN_OP(3) | INSN_OP3(0x10)) |
| 286 |
#define LDSWA (INSN_OP(3) | INSN_OP3(0x18)) |
| 287 |
#define LDXA (INSN_OP(3) | INSN_OP3(0x1b)) |
| 288 |
#define STBA (INSN_OP(3) | INSN_OP3(0x15)) |
| 289 |
#define STHA (INSN_OP(3) | INSN_OP3(0x16)) |
| 290 |
#define STWA (INSN_OP(3) | INSN_OP3(0x14)) |
| 291 |
#define STXA (INSN_OP(3) | INSN_OP3(0x1e)) |
| 292 |
|
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#ifndef ASI_PRIMARY_LITTLE
|
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#define ASI_PRIMARY_LITTLE 0x88 |
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#endif
|
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|
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static inline void tcg_out_arith(TCGContext *s, int rd, int rs1, int rs2, |
| 298 |
int op)
|
| 299 |
{
|
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tcg_out32(s, op | INSN_RD(rd) | INSN_RS1(rs1) | |
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INSN_RS2(rs2)); |
| 302 |
} |
| 303 |
|
| 304 |
static inline void tcg_out_arithi(TCGContext *s, int rd, int rs1, |
| 305 |
uint32_t offset, int op)
|
| 306 |
{
|
| 307 |
tcg_out32(s, op | INSN_RD(rd) | INSN_RS1(rs1) | |
| 308 |
INSN_IMM13(offset)); |
| 309 |
} |
| 310 |
|
| 311 |
static void tcg_out_arithc(TCGContext *s, int rd, int rs1, |
| 312 |
int val2, int val2const, int op) |
| 313 |
{
|
| 314 |
tcg_out32(s, op | INSN_RD(rd) | INSN_RS1(rs1) |
| 315 |
| (val2const ? INSN_IMM13(val2) : INSN_RS2(val2))); |
| 316 |
} |
| 317 |
|
| 318 |
static inline void tcg_out_mov(TCGContext *s, TCGType type, |
| 319 |
TCGReg ret, TCGReg arg) |
| 320 |
{
|
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tcg_out_arith(s, ret, arg, TCG_REG_G0, ARITH_OR); |
| 322 |
} |
| 323 |
|
| 324 |
static inline void tcg_out_sethi(TCGContext *s, int ret, uint32_t arg) |
| 325 |
{
|
| 326 |
tcg_out32(s, SETHI | INSN_RD(ret) | ((arg & 0xfffffc00) >> 10)); |
| 327 |
} |
| 328 |
|
| 329 |
static inline void tcg_out_movi_imm13(TCGContext *s, int ret, uint32_t arg) |
| 330 |
{
|
| 331 |
tcg_out_arithi(s, ret, TCG_REG_G0, arg, ARITH_OR); |
| 332 |
} |
| 333 |
|
| 334 |
static inline void tcg_out_movi_imm32(TCGContext *s, int ret, uint32_t arg) |
| 335 |
{
|
| 336 |
if (check_fit_tl(arg, 13)) |
| 337 |
tcg_out_movi_imm13(s, ret, arg); |
| 338 |
else {
|
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tcg_out_sethi(s, ret, arg); |
| 340 |
if (arg & 0x3ff) |
| 341 |
tcg_out_arithi(s, ret, ret, arg & 0x3ff, ARITH_OR);
|
| 342 |
} |
| 343 |
} |
| 344 |
|
| 345 |
static inline void tcg_out_movi(TCGContext *s, TCGType type, |
| 346 |
TCGReg ret, tcg_target_long arg) |
| 347 |
{
|
| 348 |
/* All 32-bit constants, as well as 64-bit constants with
|
| 349 |
no high bits set go through movi_imm32. */
|
| 350 |
if (TCG_TARGET_REG_BITS == 32 |
| 351 |
|| type == TCG_TYPE_I32 |
| 352 |
|| (arg & ~(tcg_target_long)0xffffffff) == 0) { |
| 353 |
tcg_out_movi_imm32(s, ret, arg); |
| 354 |
} else if (check_fit_tl(arg, 13)) { |
| 355 |
/* A 13-bit constant sign-extended to 64-bits. */
|
| 356 |
tcg_out_movi_imm13(s, ret, arg); |
| 357 |
} else if (check_fit_tl(arg, 32)) { |
| 358 |
/* A 32-bit constant sign-extended to 64-bits. */
|
| 359 |
tcg_out_sethi(s, ret, ~arg); |
| 360 |
tcg_out_arithi(s, ret, ret, (arg & 0x3ff) | -0x400, ARITH_XOR); |
| 361 |
} else {
|
| 362 |
tcg_out_movi_imm32(s, TCG_REG_I4, arg >> (TCG_TARGET_REG_BITS / 2));
|
| 363 |
tcg_out_arithi(s, TCG_REG_I4, TCG_REG_I4, 32, SHIFT_SLLX);
|
| 364 |
tcg_out_movi_imm32(s, ret, arg); |
| 365 |
tcg_out_arith(s, ret, ret, TCG_REG_I4, ARITH_OR); |
| 366 |
} |
| 367 |
} |
| 368 |
|
| 369 |
static inline void tcg_out_ld_raw(TCGContext *s, int ret, |
| 370 |
tcg_target_long arg) |
| 371 |
{
|
| 372 |
tcg_out_sethi(s, ret, arg); |
| 373 |
tcg_out32(s, LDUW | INSN_RD(ret) | INSN_RS1(ret) | |
| 374 |
INSN_IMM13(arg & 0x3ff));
|
| 375 |
} |
| 376 |
|
| 377 |
static inline void tcg_out_ld_ptr(TCGContext *s, int ret, |
| 378 |
tcg_target_long arg) |
| 379 |
{
|
| 380 |
if (!check_fit_tl(arg, 10)) |
| 381 |
tcg_out_movi(s, TCG_TYPE_PTR, ret, arg & ~0x3ffULL);
|
| 382 |
if (TCG_TARGET_REG_BITS == 64) { |
| 383 |
tcg_out32(s, LDX | INSN_RD(ret) | INSN_RS1(ret) | |
| 384 |
INSN_IMM13(arg & 0x3ff));
|
| 385 |
} else {
|
| 386 |
tcg_out32(s, LDUW | INSN_RD(ret) | INSN_RS1(ret) | |
| 387 |
INSN_IMM13(arg & 0x3ff));
|
| 388 |
} |
| 389 |
} |
| 390 |
|
| 391 |
static inline void tcg_out_ldst(TCGContext *s, int ret, int addr, int offset, int op) |
| 392 |
{
|
| 393 |
if (check_fit_tl(offset, 13)) |
| 394 |
tcg_out32(s, op | INSN_RD(ret) | INSN_RS1(addr) | |
| 395 |
INSN_IMM13(offset)); |
| 396 |
else {
|
| 397 |
tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_I5, offset); |
| 398 |
tcg_out32(s, op | INSN_RD(ret) | INSN_RS1(TCG_REG_I5) | |
| 399 |
INSN_RS2(addr)); |
| 400 |
} |
| 401 |
} |
| 402 |
|
| 403 |
static inline void tcg_out_ldst_asi(TCGContext *s, int ret, int addr, |
| 404 |
int offset, int op, int asi) |
| 405 |
{
|
| 406 |
tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_I5, offset); |
| 407 |
tcg_out32(s, op | INSN_RD(ret) | INSN_RS1(TCG_REG_I5) | |
| 408 |
INSN_ASI(asi) | INSN_RS2(addr)); |
| 409 |
} |
| 410 |
|
| 411 |
static inline void tcg_out_ld(TCGContext *s, TCGType type, TCGReg ret, |
| 412 |
TCGReg arg1, tcg_target_long arg2) |
| 413 |
{
|
| 414 |
if (type == TCG_TYPE_I32)
|
| 415 |
tcg_out_ldst(s, ret, arg1, arg2, LDUW); |
| 416 |
else
|
| 417 |
tcg_out_ldst(s, ret, arg1, arg2, LDX); |
| 418 |
} |
| 419 |
|
| 420 |
static inline void tcg_out_st(TCGContext *s, TCGType type, TCGReg arg, |
| 421 |
TCGReg arg1, tcg_target_long arg2) |
| 422 |
{
|
| 423 |
if (type == TCG_TYPE_I32)
|
| 424 |
tcg_out_ldst(s, arg, arg1, arg2, STW); |
| 425 |
else
|
| 426 |
tcg_out_ldst(s, arg, arg1, arg2, STX); |
| 427 |
} |
| 428 |
|
| 429 |
static inline void tcg_out_sety(TCGContext *s, int rs) |
| 430 |
{
|
| 431 |
tcg_out32(s, WRY | INSN_RS1(TCG_REG_G0) | INSN_RS2(rs)); |
| 432 |
} |
| 433 |
|
| 434 |
static inline void tcg_out_rdy(TCGContext *s, int rd) |
| 435 |
{
|
| 436 |
tcg_out32(s, RDY | INSN_RD(rd)); |
| 437 |
} |
| 438 |
|
| 439 |
static inline void tcg_out_addi(TCGContext *s, int reg, tcg_target_long val) |
| 440 |
{
|
| 441 |
if (val != 0) { |
| 442 |
if (check_fit_tl(val, 13)) |
| 443 |
tcg_out_arithi(s, reg, reg, val, ARITH_ADD); |
| 444 |
else {
|
| 445 |
tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_I5, val); |
| 446 |
tcg_out_arith(s, reg, reg, TCG_REG_I5, ARITH_ADD); |
| 447 |
} |
| 448 |
} |
| 449 |
} |
| 450 |
|
| 451 |
static inline void tcg_out_andi(TCGContext *s, int reg, tcg_target_long val) |
| 452 |
{
|
| 453 |
if (val != 0) { |
| 454 |
if (check_fit_tl(val, 13)) |
| 455 |
tcg_out_arithi(s, reg, reg, val, ARITH_AND); |
| 456 |
else {
|
| 457 |
tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_I5, val); |
| 458 |
tcg_out_arith(s, reg, reg, TCG_REG_I5, ARITH_AND); |
| 459 |
} |
| 460 |
} |
| 461 |
} |
| 462 |
|
| 463 |
static void tcg_out_div32(TCGContext *s, int rd, int rs1, |
| 464 |
int val2, int val2const, int uns) |
| 465 |
{
|
| 466 |
/* Load Y with the sign/zero extension of RS1 to 64-bits. */
|
| 467 |
if (uns) {
|
| 468 |
tcg_out_sety(s, TCG_REG_G0); |
| 469 |
} else {
|
| 470 |
tcg_out_arithi(s, TCG_REG_I5, rs1, 31, SHIFT_SRA);
|
| 471 |
tcg_out_sety(s, TCG_REG_I5); |
| 472 |
} |
| 473 |
|
| 474 |
tcg_out_arithc(s, rd, rs1, val2, val2const, |
| 475 |
uns ? ARITH_UDIV : ARITH_SDIV); |
| 476 |
} |
| 477 |
|
| 478 |
static inline void tcg_out_nop(TCGContext *s) |
| 479 |
{
|
| 480 |
tcg_out_sethi(s, TCG_REG_G0, 0);
|
| 481 |
} |
| 482 |
|
| 483 |
static void tcg_out_branch_i32(TCGContext *s, int opc, int label_index) |
| 484 |
{
|
| 485 |
TCGLabel *l = &s->labels[label_index]; |
| 486 |
|
| 487 |
if (l->has_value) {
|
| 488 |
tcg_out32(s, (INSN_OP(0) | INSN_COND(opc, 0) | INSN_OP2(0x2) |
| 489 |
| INSN_OFF22(l->u.value - (unsigned long)s->code_ptr))); |
| 490 |
} else {
|
| 491 |
tcg_out_reloc(s, s->code_ptr, R_SPARC_WDISP22, label_index, 0);
|
| 492 |
tcg_out32(s, (INSN_OP(0) | INSN_COND(opc, 0) | INSN_OP2(0x2) | 0)); |
| 493 |
} |
| 494 |
} |
| 495 |
|
| 496 |
#if TCG_TARGET_REG_BITS == 64 |
| 497 |
static void tcg_out_branch_i64(TCGContext *s, int opc, int label_index) |
| 498 |
{
|
| 499 |
TCGLabel *l = &s->labels[label_index]; |
| 500 |
|
| 501 |
if (l->has_value) {
|
| 502 |
tcg_out32(s, (INSN_OP(0) | INSN_COND(opc, 0) | INSN_OP2(0x1) | |
| 503 |
(0x5 << 19) | |
| 504 |
INSN_OFF19(l->u.value - (unsigned long)s->code_ptr))); |
| 505 |
} else {
|
| 506 |
tcg_out_reloc(s, s->code_ptr, R_SPARC_WDISP19, label_index, 0);
|
| 507 |
tcg_out32(s, (INSN_OP(0) | INSN_COND(opc, 0) | INSN_OP2(0x1) | |
| 508 |
(0x5 << 19) | 0)); |
| 509 |
} |
| 510 |
} |
| 511 |
#endif
|
| 512 |
|
| 513 |
static const uint8_t tcg_cond_to_bcond[10] = { |
| 514 |
[TCG_COND_EQ] = COND_E, |
| 515 |
[TCG_COND_NE] = COND_NE, |
| 516 |
[TCG_COND_LT] = COND_L, |
| 517 |
[TCG_COND_GE] = COND_GE, |
| 518 |
[TCG_COND_LE] = COND_LE, |
| 519 |
[TCG_COND_GT] = COND_G, |
| 520 |
[TCG_COND_LTU] = COND_CS, |
| 521 |
[TCG_COND_GEU] = COND_CC, |
| 522 |
[TCG_COND_LEU] = COND_LEU, |
| 523 |
[TCG_COND_GTU] = COND_GU, |
| 524 |
}; |
| 525 |
|
| 526 |
static void tcg_out_cmp(TCGContext *s, TCGArg c1, TCGArg c2, int c2const) |
| 527 |
{
|
| 528 |
tcg_out_arithc(s, TCG_REG_G0, c1, c2, c2const, ARITH_SUBCC); |
| 529 |
} |
| 530 |
|
| 531 |
static void tcg_out_brcond_i32(TCGContext *s, TCGCond cond, |
| 532 |
TCGArg arg1, TCGArg arg2, int const_arg2,
|
| 533 |
int label_index)
|
| 534 |
{
|
| 535 |
tcg_out_cmp(s, arg1, arg2, const_arg2); |
| 536 |
tcg_out_branch_i32(s, tcg_cond_to_bcond[cond], label_index); |
| 537 |
tcg_out_nop(s); |
| 538 |
} |
| 539 |
|
| 540 |
#if TCG_TARGET_REG_BITS == 64 |
| 541 |
static void tcg_out_brcond_i64(TCGContext *s, TCGCond cond, |
| 542 |
TCGArg arg1, TCGArg arg2, int const_arg2,
|
| 543 |
int label_index)
|
| 544 |
{
|
| 545 |
tcg_out_cmp(s, arg1, arg2, const_arg2); |
| 546 |
tcg_out_branch_i64(s, tcg_cond_to_bcond[cond], label_index); |
| 547 |
tcg_out_nop(s); |
| 548 |
} |
| 549 |
#else
|
| 550 |
static void tcg_out_brcond2_i32(TCGContext *s, TCGCond cond, |
| 551 |
TCGArg al, TCGArg ah, |
| 552 |
TCGArg bl, int blconst,
|
| 553 |
TCGArg bh, int bhconst, int label_dest) |
| 554 |
{
|
| 555 |
int cc, label_next = gen_new_label();
|
| 556 |
|
| 557 |
tcg_out_cmp(s, ah, bh, bhconst); |
| 558 |
|
| 559 |
/* Note that we fill one of the delay slots with the second compare. */
|
| 560 |
switch (cond) {
|
| 561 |
case TCG_COND_EQ:
|
| 562 |
cc = INSN_COND(tcg_cond_to_bcond[TCG_COND_NE], 0);
|
| 563 |
tcg_out_branch_i32(s, cc, label_next); |
| 564 |
tcg_out_cmp(s, al, bl, blconst); |
| 565 |
cc = INSN_COND(tcg_cond_to_bcond[TCG_COND_EQ], 0);
|
| 566 |
tcg_out_branch_i32(s, cc, label_dest); |
| 567 |
break;
|
| 568 |
|
| 569 |
case TCG_COND_NE:
|
| 570 |
cc = INSN_COND(tcg_cond_to_bcond[TCG_COND_NE], 0);
|
| 571 |
tcg_out_branch_i32(s, cc, label_dest); |
| 572 |
tcg_out_cmp(s, al, bl, blconst); |
| 573 |
tcg_out_branch_i32(s, cc, label_dest); |
| 574 |
break;
|
| 575 |
|
| 576 |
default:
|
| 577 |
/* ??? One could fairly easily special-case 64-bit unsigned
|
| 578 |
compares against 32-bit zero-extended constants. For instance,
|
| 579 |
we know that (unsigned)AH < 0 is false and need not emit it.
|
| 580 |
Similarly, (unsigned)AH > 0 being true implies AH != 0, so the
|
| 581 |
second branch will never be taken. */
|
| 582 |
cc = INSN_COND(tcg_cond_to_bcond[cond], 0);
|
| 583 |
tcg_out_branch_i32(s, cc, label_dest); |
| 584 |
tcg_out_nop(s); |
| 585 |
cc = INSN_COND(tcg_cond_to_bcond[TCG_COND_NE], 0);
|
| 586 |
tcg_out_branch_i32(s, cc, label_next); |
| 587 |
tcg_out_cmp(s, al, bl, blconst); |
| 588 |
cc = INSN_COND(tcg_cond_to_bcond[tcg_unsigned_cond(cond)], 0);
|
| 589 |
tcg_out_branch_i32(s, cc, label_dest); |
| 590 |
break;
|
| 591 |
} |
| 592 |
tcg_out_nop(s); |
| 593 |
|
| 594 |
tcg_out_label(s, label_next, s->code_ptr); |
| 595 |
} |
| 596 |
#endif
|
| 597 |
|
| 598 |
static void tcg_out_setcond_i32(TCGContext *s, TCGCond cond, TCGArg ret, |
| 599 |
TCGArg c1, TCGArg c2, int c2const)
|
| 600 |
{
|
| 601 |
TCGArg t; |
| 602 |
|
| 603 |
/* For 32-bit comparisons, we can play games with ADDX/SUBX. */
|
| 604 |
switch (cond) {
|
| 605 |
case TCG_COND_EQ:
|
| 606 |
case TCG_COND_NE:
|
| 607 |
if (c2 != 0) { |
| 608 |
tcg_out_arithc(s, ret, c1, c2, c2const, ARITH_XOR); |
| 609 |
} |
| 610 |
c1 = TCG_REG_G0, c2 = ret, c2const = 0;
|
| 611 |
cond = (cond == TCG_COND_EQ ? TCG_COND_LEU : TCG_COND_LTU); |
| 612 |
break;
|
| 613 |
|
| 614 |
case TCG_COND_GTU:
|
| 615 |
case TCG_COND_GEU:
|
| 616 |
if (c2const && c2 != 0) { |
| 617 |
tcg_out_movi_imm13(s, TCG_REG_I5, c2); |
| 618 |
c2 = TCG_REG_I5; |
| 619 |
} |
| 620 |
t = c1, c1 = c2, c2 = t, c2const = 0;
|
| 621 |
cond = tcg_swap_cond(cond); |
| 622 |
break;
|
| 623 |
|
| 624 |
case TCG_COND_LTU:
|
| 625 |
case TCG_COND_LEU:
|
| 626 |
break;
|
| 627 |
|
| 628 |
default:
|
| 629 |
tcg_out_cmp(s, c1, c2, c2const); |
| 630 |
#if defined(__sparc_v9__) || defined(__sparc_v8plus__)
|
| 631 |
tcg_out_movi_imm13(s, ret, 0);
|
| 632 |
tcg_out32 (s, ARITH_MOVCC | INSN_RD(ret) |
| 633 |
| INSN_RS1(tcg_cond_to_bcond[cond]) |
| 634 |
| MOVCC_ICC | INSN_IMM11(1));
|
| 635 |
#else
|
| 636 |
t = gen_new_label(); |
| 637 |
tcg_out_branch_i32(s, INSN_COND(tcg_cond_to_bcond[cond], 1), t);
|
| 638 |
tcg_out_movi_imm13(s, ret, 1);
|
| 639 |
tcg_out_movi_imm13(s, ret, 0);
|
| 640 |
tcg_out_label(s, t, s->code_ptr); |
| 641 |
#endif
|
| 642 |
return;
|
| 643 |
} |
| 644 |
|
| 645 |
tcg_out_cmp(s, c1, c2, c2const); |
| 646 |
if (cond == TCG_COND_LTU) {
|
| 647 |
tcg_out_arithi(s, ret, TCG_REG_G0, 0, ARITH_ADDX);
|
| 648 |
} else {
|
| 649 |
tcg_out_arithi(s, ret, TCG_REG_G0, -1, ARITH_SUBX);
|
| 650 |
} |
| 651 |
} |
| 652 |
|
| 653 |
#if TCG_TARGET_REG_BITS == 64 |
| 654 |
static void tcg_out_setcond_i64(TCGContext *s, TCGCond cond, TCGArg ret, |
| 655 |
TCGArg c1, TCGArg c2, int c2const)
|
| 656 |
{
|
| 657 |
tcg_out_cmp(s, c1, c2, c2const); |
| 658 |
tcg_out_movi_imm13(s, ret, 0);
|
| 659 |
tcg_out32 (s, ARITH_MOVCC | INSN_RD(ret) |
| 660 |
| INSN_RS1(tcg_cond_to_bcond[cond]) |
| 661 |
| MOVCC_XCC | INSN_IMM11(1));
|
| 662 |
} |
| 663 |
#else
|
| 664 |
static void tcg_out_setcond2_i32(TCGContext *s, TCGCond cond, TCGArg ret, |
| 665 |
TCGArg al, TCGArg ah, |
| 666 |
TCGArg bl, int blconst,
|
| 667 |
TCGArg bh, int bhconst)
|
| 668 |
{
|
| 669 |
int lab;
|
| 670 |
|
| 671 |
switch (cond) {
|
| 672 |
case TCG_COND_EQ:
|
| 673 |
tcg_out_setcond_i32(s, TCG_COND_EQ, TCG_REG_I5, al, bl, blconst); |
| 674 |
tcg_out_setcond_i32(s, TCG_COND_EQ, ret, ah, bh, bhconst); |
| 675 |
tcg_out_arith(s, ret, ret, TCG_REG_I5, ARITH_AND); |
| 676 |
break;
|
| 677 |
|
| 678 |
case TCG_COND_NE:
|
| 679 |
tcg_out_setcond_i32(s, TCG_COND_NE, TCG_REG_I5, al, al, blconst); |
| 680 |
tcg_out_setcond_i32(s, TCG_COND_NE, ret, ah, bh, bhconst); |
| 681 |
tcg_out_arith(s, ret, ret, TCG_REG_I5, ARITH_OR); |
| 682 |
break;
|
| 683 |
|
| 684 |
default:
|
| 685 |
lab = gen_new_label(); |
| 686 |
|
| 687 |
tcg_out_cmp(s, ah, bh, bhconst); |
| 688 |
tcg_out_branch_i32(s, INSN_COND(tcg_cond_to_bcond[cond], 1), lab);
|
| 689 |
tcg_out_movi_imm13(s, ret, 1);
|
| 690 |
tcg_out_branch_i32(s, INSN_COND(COND_NE, 1), lab);
|
| 691 |
tcg_out_movi_imm13(s, ret, 0);
|
| 692 |
|
| 693 |
tcg_out_setcond_i32(s, tcg_unsigned_cond(cond), ret, al, bl, blconst); |
| 694 |
|
| 695 |
tcg_out_label(s, lab, s->code_ptr); |
| 696 |
break;
|
| 697 |
} |
| 698 |
} |
| 699 |
#endif
|
| 700 |
|
| 701 |
/* Generate global QEMU prologue and epilogue code */
|
| 702 |
static void tcg_target_qemu_prologue(TCGContext *s) |
| 703 |
{
|
| 704 |
tcg_set_frame(s, TCG_REG_I6, TCG_TARGET_CALL_STACK_OFFSET, |
| 705 |
CPU_TEMP_BUF_NLONGS * (int)sizeof(long)); |
| 706 |
tcg_out32(s, SAVE | INSN_RD(TCG_REG_O6) | INSN_RS1(TCG_REG_O6) | |
| 707 |
INSN_IMM13(-(TCG_TARGET_STACK_MINFRAME + |
| 708 |
CPU_TEMP_BUF_NLONGS * (int)sizeof(long)))); |
| 709 |
tcg_out32(s, JMPL | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_I1) | |
| 710 |
INSN_RS2(TCG_REG_G0)); |
| 711 |
tcg_out_mov(s, TCG_TYPE_PTR, TCG_AREG0, TCG_REG_I0); |
| 712 |
} |
| 713 |
|
| 714 |
#if defined(CONFIG_SOFTMMU)
|
| 715 |
|
| 716 |
#include "../../softmmu_defs.h" |
| 717 |
|
| 718 |
#ifdef CONFIG_TCG_PASS_AREG0
|
| 719 |
/* helper signature: helper_ld_mmu(CPUState *env, target_ulong addr,
|
| 720 |
int mmu_idx) */
|
| 721 |
static const void * const qemu_ld_helpers[4] = { |
| 722 |
helper_ldb_mmu, |
| 723 |
helper_ldw_mmu, |
| 724 |
helper_ldl_mmu, |
| 725 |
helper_ldq_mmu, |
| 726 |
}; |
| 727 |
|
| 728 |
/* helper signature: helper_st_mmu(CPUState *env, target_ulong addr,
|
| 729 |
uintxx_t val, int mmu_idx) */
|
| 730 |
static const void * const qemu_st_helpers[4] = { |
| 731 |
helper_stb_mmu, |
| 732 |
helper_stw_mmu, |
| 733 |
helper_stl_mmu, |
| 734 |
helper_stq_mmu, |
| 735 |
}; |
| 736 |
#else
|
| 737 |
/* legacy helper signature: __ld_mmu(target_ulong addr, int
|
| 738 |
mmu_idx) */
|
| 739 |
static const void * const qemu_ld_helpers[4] = { |
| 740 |
__ldb_mmu, |
| 741 |
__ldw_mmu, |
| 742 |
__ldl_mmu, |
| 743 |
__ldq_mmu, |
| 744 |
}; |
| 745 |
|
| 746 |
/* legacy helper signature: __st_mmu(target_ulong addr, uintxx_t val,
|
| 747 |
int mmu_idx) */
|
| 748 |
static const void * const qemu_st_helpers[4] = { |
| 749 |
__stb_mmu, |
| 750 |
__stw_mmu, |
| 751 |
__stl_mmu, |
| 752 |
__stq_mmu, |
| 753 |
}; |
| 754 |
#endif
|
| 755 |
#endif
|
| 756 |
|
| 757 |
#if TARGET_LONG_BITS == 32 |
| 758 |
#define TARGET_LD_OP LDUW
|
| 759 |
#else
|
| 760 |
#define TARGET_LD_OP LDX
|
| 761 |
#endif
|
| 762 |
|
| 763 |
#if defined(CONFIG_SOFTMMU)
|
| 764 |
#if HOST_LONG_BITS == 32 |
| 765 |
#define TARGET_ADDEND_LD_OP LDUW
|
| 766 |
#else
|
| 767 |
#define TARGET_ADDEND_LD_OP LDX
|
| 768 |
#endif
|
| 769 |
#endif
|
| 770 |
|
| 771 |
#ifdef __arch64__
|
| 772 |
#define HOST_LD_OP LDX
|
| 773 |
#define HOST_ST_OP STX
|
| 774 |
#define HOST_SLL_OP SHIFT_SLLX
|
| 775 |
#define HOST_SRA_OP SHIFT_SRAX
|
| 776 |
#else
|
| 777 |
#define HOST_LD_OP LDUW
|
| 778 |
#define HOST_ST_OP STW
|
| 779 |
#define HOST_SLL_OP SHIFT_SLL
|
| 780 |
#define HOST_SRA_OP SHIFT_SRA
|
| 781 |
#endif
|
| 782 |
|
| 783 |
static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, |
| 784 |
int opc)
|
| 785 |
{
|
| 786 |
int addr_reg, data_reg, arg0, arg1, arg2, mem_index, s_bits;
|
| 787 |
#if defined(CONFIG_SOFTMMU)
|
| 788 |
uint32_t *label1_ptr, *label2_ptr; |
| 789 |
#endif
|
| 790 |
|
| 791 |
data_reg = *args++; |
| 792 |
addr_reg = *args++; |
| 793 |
mem_index = *args; |
| 794 |
s_bits = opc & 3;
|
| 795 |
|
| 796 |
arg0 = TCG_REG_O0; |
| 797 |
arg1 = TCG_REG_O1; |
| 798 |
arg2 = TCG_REG_O2; |
| 799 |
|
| 800 |
#if defined(CONFIG_SOFTMMU)
|
| 801 |
/* srl addr_reg, x, arg1 */
|
| 802 |
tcg_out_arithi(s, arg1, addr_reg, TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS, |
| 803 |
SHIFT_SRL); |
| 804 |
/* and addr_reg, x, arg0 */
|
| 805 |
tcg_out_arithi(s, arg0, addr_reg, TARGET_PAGE_MASK | ((1 << s_bits) - 1), |
| 806 |
ARITH_AND); |
| 807 |
|
| 808 |
/* and arg1, x, arg1 */
|
| 809 |
tcg_out_andi(s, arg1, (CPU_TLB_SIZE - 1) << CPU_TLB_ENTRY_BITS);
|
| 810 |
|
| 811 |
/* add arg1, x, arg1 */
|
| 812 |
tcg_out_addi(s, arg1, offsetof(CPUArchState, |
| 813 |
tlb_table[mem_index][0].addr_read));
|
| 814 |
|
| 815 |
/* add env, arg1, arg1 */
|
| 816 |
tcg_out_arith(s, arg1, TCG_AREG0, arg1, ARITH_ADD); |
| 817 |
|
| 818 |
/* ld [arg1], arg2 */
|
| 819 |
tcg_out32(s, TARGET_LD_OP | INSN_RD(arg2) | INSN_RS1(arg1) | |
| 820 |
INSN_RS2(TCG_REG_G0)); |
| 821 |
|
| 822 |
/* subcc arg0, arg2, %g0 */
|
| 823 |
tcg_out_arith(s, TCG_REG_G0, arg0, arg2, ARITH_SUBCC); |
| 824 |
|
| 825 |
/* will become:
|
| 826 |
be label1
|
| 827 |
or
|
| 828 |
be,pt %xcc label1 */
|
| 829 |
label1_ptr = (uint32_t *)s->code_ptr; |
| 830 |
tcg_out32(s, 0);
|
| 831 |
|
| 832 |
/* mov (delay slot) */
|
| 833 |
tcg_out_mov(s, TCG_TYPE_PTR, arg0, addr_reg); |
| 834 |
|
| 835 |
/* mov */
|
| 836 |
tcg_out_movi(s, TCG_TYPE_I32, arg1, mem_index); |
| 837 |
#ifdef CONFIG_TCG_PASS_AREG0
|
| 838 |
/* XXX/FIXME: suboptimal */
|
| 839 |
tcg_out_mov(s, TCG_TYPE_I32, tcg_target_call_iarg_regs[3],
|
| 840 |
tcg_target_call_iarg_regs[2]);
|
| 841 |
tcg_out_mov(s, TCG_TYPE_I64, tcg_target_call_iarg_regs[2],
|
| 842 |
tcg_target_call_iarg_regs[1]);
|
| 843 |
tcg_out_mov(s, TCG_TYPE_TL, tcg_target_call_iarg_regs[1],
|
| 844 |
tcg_target_call_iarg_regs[0]);
|
| 845 |
tcg_out_mov(s, TCG_TYPE_PTR, tcg_target_call_iarg_regs[0],
|
| 846 |
TCG_AREG0); |
| 847 |
#endif
|
| 848 |
|
| 849 |
/* XXX: move that code at the end of the TB */
|
| 850 |
/* qemu_ld_helper[s_bits](arg0, arg1) */
|
| 851 |
tcg_out32(s, CALL | ((((tcg_target_ulong)qemu_ld_helpers[s_bits] |
| 852 |
- (tcg_target_ulong)s->code_ptr) >> 2)
|
| 853 |
& 0x3fffffff));
|
| 854 |
/* Store AREG0 in stack to avoid ugly glibc bugs that mangle
|
| 855 |
global registers */
|
| 856 |
// delay slot
|
| 857 |
tcg_out_ldst(s, TCG_AREG0, TCG_REG_CALL_STACK, |
| 858 |
TCG_TARGET_CALL_STACK_OFFSET - TCG_STATIC_CALL_ARGS_SIZE - |
| 859 |
sizeof(long), HOST_ST_OP); |
| 860 |
tcg_out_ldst(s, TCG_AREG0, TCG_REG_CALL_STACK, |
| 861 |
TCG_TARGET_CALL_STACK_OFFSET - TCG_STATIC_CALL_ARGS_SIZE - |
| 862 |
sizeof(long), HOST_LD_OP); |
| 863 |
|
| 864 |
/* data_reg = sign_extend(arg0) */
|
| 865 |
switch(opc) {
|
| 866 |
case 0 | 4: |
| 867 |
/* sll arg0, 24/56, data_reg */
|
| 868 |
tcg_out_arithi(s, data_reg, arg0, (int)sizeof(tcg_target_long) * 8 - 8, |
| 869 |
HOST_SLL_OP); |
| 870 |
/* sra data_reg, 24/56, data_reg */
|
| 871 |
tcg_out_arithi(s, data_reg, data_reg, |
| 872 |
(int)sizeof(tcg_target_long) * 8 - 8, HOST_SRA_OP); |
| 873 |
break;
|
| 874 |
case 1 | 4: |
| 875 |
/* sll arg0, 16/48, data_reg */
|
| 876 |
tcg_out_arithi(s, data_reg, arg0, |
| 877 |
(int)sizeof(tcg_target_long) * 8 - 16, HOST_SLL_OP); |
| 878 |
/* sra data_reg, 16/48, data_reg */
|
| 879 |
tcg_out_arithi(s, data_reg, data_reg, |
| 880 |
(int)sizeof(tcg_target_long) * 8 - 16, HOST_SRA_OP); |
| 881 |
break;
|
| 882 |
case 2 | 4: |
| 883 |
/* sll arg0, 32, data_reg */
|
| 884 |
tcg_out_arithi(s, data_reg, arg0, 32, HOST_SLL_OP);
|
| 885 |
/* sra data_reg, 32, data_reg */
|
| 886 |
tcg_out_arithi(s, data_reg, data_reg, 32, HOST_SRA_OP);
|
| 887 |
break;
|
| 888 |
case 0: |
| 889 |
case 1: |
| 890 |
case 2: |
| 891 |
case 3: |
| 892 |
default:
|
| 893 |
/* mov */
|
| 894 |
tcg_out_mov(s, TCG_TYPE_REG, data_reg, arg0); |
| 895 |
break;
|
| 896 |
} |
| 897 |
|
| 898 |
/* will become:
|
| 899 |
ba label2 */
|
| 900 |
label2_ptr = (uint32_t *)s->code_ptr; |
| 901 |
tcg_out32(s, 0);
|
| 902 |
|
| 903 |
/* nop (delay slot */
|
| 904 |
tcg_out_nop(s); |
| 905 |
|
| 906 |
/* label1: */
|
| 907 |
#if TARGET_LONG_BITS == 32 |
| 908 |
/* be label1 */
|
| 909 |
*label1_ptr = (INSN_OP(0) | INSN_COND(COND_E, 0) | INSN_OP2(0x2) | |
| 910 |
INSN_OFF22((unsigned long)s->code_ptr - |
| 911 |
(unsigned long)label1_ptr)); |
| 912 |
#else
|
| 913 |
/* be,pt %xcc label1 */
|
| 914 |
*label1_ptr = (INSN_OP(0) | INSN_COND(COND_E, 0) | INSN_OP2(0x1) | |
| 915 |
(0x5 << 19) | INSN_OFF19((unsigned long)s->code_ptr - |
| 916 |
(unsigned long)label1_ptr)); |
| 917 |
#endif
|
| 918 |
|
| 919 |
/* ld [arg1 + x], arg1 */
|
| 920 |
tcg_out_ldst(s, arg1, arg1, offsetof(CPUTLBEntry, addend) - |
| 921 |
offsetof(CPUTLBEntry, addr_read), TARGET_ADDEND_LD_OP); |
| 922 |
|
| 923 |
#if TARGET_LONG_BITS == 32 |
| 924 |
/* and addr_reg, x, arg0 */
|
| 925 |
tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_I5, 0xffffffff);
|
| 926 |
tcg_out_arith(s, arg0, addr_reg, TCG_REG_I5, ARITH_AND); |
| 927 |
/* add arg0, arg1, arg0 */
|
| 928 |
tcg_out_arith(s, arg0, arg0, arg1, ARITH_ADD); |
| 929 |
#else
|
| 930 |
/* add addr_reg, arg1, arg0 */
|
| 931 |
tcg_out_arith(s, arg0, addr_reg, arg1, ARITH_ADD); |
| 932 |
#endif
|
| 933 |
|
| 934 |
#else
|
| 935 |
arg0 = addr_reg; |
| 936 |
#endif
|
| 937 |
|
| 938 |
switch(opc) {
|
| 939 |
case 0: |
| 940 |
/* ldub [arg0], data_reg */
|
| 941 |
tcg_out_ldst(s, data_reg, arg0, 0, LDUB);
|
| 942 |
break;
|
| 943 |
case 0 | 4: |
| 944 |
/* ldsb [arg0], data_reg */
|
| 945 |
tcg_out_ldst(s, data_reg, arg0, 0, LDSB);
|
| 946 |
break;
|
| 947 |
case 1: |
| 948 |
#ifdef TARGET_WORDS_BIGENDIAN
|
| 949 |
/* lduh [arg0], data_reg */
|
| 950 |
tcg_out_ldst(s, data_reg, arg0, 0, LDUH);
|
| 951 |
#else
|
| 952 |
/* lduha [arg0] ASI_PRIMARY_LITTLE, data_reg */
|
| 953 |
tcg_out_ldst_asi(s, data_reg, arg0, 0, LDUHA, ASI_PRIMARY_LITTLE);
|
| 954 |
#endif
|
| 955 |
break;
|
| 956 |
case 1 | 4: |
| 957 |
#ifdef TARGET_WORDS_BIGENDIAN
|
| 958 |
/* ldsh [arg0], data_reg */
|
| 959 |
tcg_out_ldst(s, data_reg, arg0, 0, LDSH);
|
| 960 |
#else
|
| 961 |
/* ldsha [arg0] ASI_PRIMARY_LITTLE, data_reg */
|
| 962 |
tcg_out_ldst_asi(s, data_reg, arg0, 0, LDSHA, ASI_PRIMARY_LITTLE);
|
| 963 |
#endif
|
| 964 |
break;
|
| 965 |
case 2: |
| 966 |
#ifdef TARGET_WORDS_BIGENDIAN
|
| 967 |
/* lduw [arg0], data_reg */
|
| 968 |
tcg_out_ldst(s, data_reg, arg0, 0, LDUW);
|
| 969 |
#else
|
| 970 |
/* lduwa [arg0] ASI_PRIMARY_LITTLE, data_reg */
|
| 971 |
tcg_out_ldst_asi(s, data_reg, arg0, 0, LDUWA, ASI_PRIMARY_LITTLE);
|
| 972 |
#endif
|
| 973 |
break;
|
| 974 |
case 2 | 4: |
| 975 |
#ifdef TARGET_WORDS_BIGENDIAN
|
| 976 |
/* ldsw [arg0], data_reg */
|
| 977 |
tcg_out_ldst(s, data_reg, arg0, 0, LDSW);
|
| 978 |
#else
|
| 979 |
/* ldswa [arg0] ASI_PRIMARY_LITTLE, data_reg */
|
| 980 |
tcg_out_ldst_asi(s, data_reg, arg0, 0, LDSWA, ASI_PRIMARY_LITTLE);
|
| 981 |
#endif
|
| 982 |
break;
|
| 983 |
case 3: |
| 984 |
#ifdef TARGET_WORDS_BIGENDIAN
|
| 985 |
/* ldx [arg0], data_reg */
|
| 986 |
tcg_out_ldst(s, data_reg, arg0, 0, LDX);
|
| 987 |
#else
|
| 988 |
/* ldxa [arg0] ASI_PRIMARY_LITTLE, data_reg */
|
| 989 |
tcg_out_ldst_asi(s, data_reg, arg0, 0, LDXA, ASI_PRIMARY_LITTLE);
|
| 990 |
#endif
|
| 991 |
break;
|
| 992 |
default:
|
| 993 |
tcg_abort(); |
| 994 |
} |
| 995 |
|
| 996 |
#if defined(CONFIG_SOFTMMU)
|
| 997 |
/* label2: */
|
| 998 |
*label2_ptr = (INSN_OP(0) | INSN_COND(COND_A, 0) | INSN_OP2(0x2) | |
| 999 |
INSN_OFF22((unsigned long)s->code_ptr - |
| 1000 |
(unsigned long)label2_ptr)); |
| 1001 |
#endif
|
| 1002 |
} |
| 1003 |
|
| 1004 |
static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, |
| 1005 |
int opc)
|
| 1006 |
{
|
| 1007 |
int addr_reg, data_reg, arg0, arg1, arg2, mem_index, s_bits;
|
| 1008 |
#if defined(CONFIG_SOFTMMU)
|
| 1009 |
uint32_t *label1_ptr, *label2_ptr; |
| 1010 |
#endif
|
| 1011 |
|
| 1012 |
data_reg = *args++; |
| 1013 |
addr_reg = *args++; |
| 1014 |
mem_index = *args; |
| 1015 |
|
| 1016 |
s_bits = opc; |
| 1017 |
|
| 1018 |
arg0 = TCG_REG_O0; |
| 1019 |
arg1 = TCG_REG_O1; |
| 1020 |
arg2 = TCG_REG_O2; |
| 1021 |
|
| 1022 |
#if defined(CONFIG_SOFTMMU)
|
| 1023 |
/* srl addr_reg, x, arg1 */
|
| 1024 |
tcg_out_arithi(s, arg1, addr_reg, TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS, |
| 1025 |
SHIFT_SRL); |
| 1026 |
|
| 1027 |
/* and addr_reg, x, arg0 */
|
| 1028 |
tcg_out_arithi(s, arg0, addr_reg, TARGET_PAGE_MASK | ((1 << s_bits) - 1), |
| 1029 |
ARITH_AND); |
| 1030 |
|
| 1031 |
/* and arg1, x, arg1 */
|
| 1032 |
tcg_out_andi(s, arg1, (CPU_TLB_SIZE - 1) << CPU_TLB_ENTRY_BITS);
|
| 1033 |
|
| 1034 |
/* add arg1, x, arg1 */
|
| 1035 |
tcg_out_addi(s, arg1, offsetof(CPUArchState, |
| 1036 |
tlb_table[mem_index][0].addr_write));
|
| 1037 |
|
| 1038 |
/* add env, arg1, arg1 */
|
| 1039 |
tcg_out_arith(s, arg1, TCG_AREG0, arg1, ARITH_ADD); |
| 1040 |
|
| 1041 |
/* ld [arg1], arg2 */
|
| 1042 |
tcg_out32(s, TARGET_LD_OP | INSN_RD(arg2) | INSN_RS1(arg1) | |
| 1043 |
INSN_RS2(TCG_REG_G0)); |
| 1044 |
|
| 1045 |
/* subcc arg0, arg2, %g0 */
|
| 1046 |
tcg_out_arith(s, TCG_REG_G0, arg0, arg2, ARITH_SUBCC); |
| 1047 |
|
| 1048 |
/* will become:
|
| 1049 |
be label1
|
| 1050 |
or
|
| 1051 |
be,pt %xcc label1 */
|
| 1052 |
label1_ptr = (uint32_t *)s->code_ptr; |
| 1053 |
tcg_out32(s, 0);
|
| 1054 |
|
| 1055 |
/* mov (delay slot) */
|
| 1056 |
tcg_out_mov(s, TCG_TYPE_PTR, arg0, addr_reg); |
| 1057 |
|
| 1058 |
/* mov */
|
| 1059 |
tcg_out_mov(s, TCG_TYPE_REG, arg1, data_reg); |
| 1060 |
|
| 1061 |
/* mov */
|
| 1062 |
tcg_out_movi(s, TCG_TYPE_I32, arg2, mem_index); |
| 1063 |
|
| 1064 |
#ifdef CONFIG_TCG_PASS_AREG0
|
| 1065 |
/* XXX/FIXME: suboptimal */
|
| 1066 |
tcg_out_mov(s, TCG_TYPE_I32, tcg_target_call_iarg_regs[3],
|
| 1067 |
tcg_target_call_iarg_regs[2]);
|
| 1068 |
tcg_out_mov(s, TCG_TYPE_I64, tcg_target_call_iarg_regs[2],
|
| 1069 |
tcg_target_call_iarg_regs[1]);
|
| 1070 |
tcg_out_mov(s, TCG_TYPE_TL, tcg_target_call_iarg_regs[1],
|
| 1071 |
tcg_target_call_iarg_regs[0]);
|
| 1072 |
tcg_out_mov(s, TCG_TYPE_PTR, tcg_target_call_iarg_regs[0],
|
| 1073 |
TCG_AREG0); |
| 1074 |
#endif
|
| 1075 |
/* XXX: move that code at the end of the TB */
|
| 1076 |
/* qemu_st_helper[s_bits](arg0, arg1, arg2) */
|
| 1077 |
tcg_out32(s, CALL | ((((tcg_target_ulong)qemu_st_helpers[s_bits] |
| 1078 |
- (tcg_target_ulong)s->code_ptr) >> 2)
|
| 1079 |
& 0x3fffffff));
|
| 1080 |
/* Store AREG0 in stack to avoid ugly glibc bugs that mangle
|
| 1081 |
global registers */
|
| 1082 |
// delay slot
|
| 1083 |
tcg_out_ldst(s, TCG_AREG0, TCG_REG_CALL_STACK, |
| 1084 |
TCG_TARGET_CALL_STACK_OFFSET - TCG_STATIC_CALL_ARGS_SIZE - |
| 1085 |
sizeof(long), HOST_ST_OP); |
| 1086 |
tcg_out_ldst(s, TCG_AREG0, TCG_REG_CALL_STACK, |
| 1087 |
TCG_TARGET_CALL_STACK_OFFSET - TCG_STATIC_CALL_ARGS_SIZE - |
| 1088 |
sizeof(long), HOST_LD_OP); |
| 1089 |
|
| 1090 |
/* will become:
|
| 1091 |
ba label2 */
|
| 1092 |
label2_ptr = (uint32_t *)s->code_ptr; |
| 1093 |
tcg_out32(s, 0);
|
| 1094 |
|
| 1095 |
/* nop (delay slot) */
|
| 1096 |
tcg_out_nop(s); |
| 1097 |
|
| 1098 |
#if TARGET_LONG_BITS == 32 |
| 1099 |
/* be label1 */
|
| 1100 |
*label1_ptr = (INSN_OP(0) | INSN_COND(COND_E, 0) | INSN_OP2(0x2) | |
| 1101 |
INSN_OFF22((unsigned long)s->code_ptr - |
| 1102 |
(unsigned long)label1_ptr)); |
| 1103 |
#else
|
| 1104 |
/* be,pt %xcc label1 */
|
| 1105 |
*label1_ptr = (INSN_OP(0) | INSN_COND(COND_E, 0) | INSN_OP2(0x1) | |
| 1106 |
(0x5 << 19) | INSN_OFF19((unsigned long)s->code_ptr - |
| 1107 |
(unsigned long)label1_ptr)); |
| 1108 |
#endif
|
| 1109 |
|
| 1110 |
/* ld [arg1 + x], arg1 */
|
| 1111 |
tcg_out_ldst(s, arg1, arg1, offsetof(CPUTLBEntry, addend) - |
| 1112 |
offsetof(CPUTLBEntry, addr_write), TARGET_ADDEND_LD_OP); |
| 1113 |
|
| 1114 |
#if TARGET_LONG_BITS == 32 |
| 1115 |
/* and addr_reg, x, arg0 */
|
| 1116 |
tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_I5, 0xffffffff);
|
| 1117 |
tcg_out_arith(s, arg0, addr_reg, TCG_REG_I5, ARITH_AND); |
| 1118 |
/* add arg0, arg1, arg0 */
|
| 1119 |
tcg_out_arith(s, arg0, arg0, arg1, ARITH_ADD); |
| 1120 |
#else
|
| 1121 |
/* add addr_reg, arg1, arg0 */
|
| 1122 |
tcg_out_arith(s, arg0, addr_reg, arg1, ARITH_ADD); |
| 1123 |
#endif
|
| 1124 |
|
| 1125 |
#else
|
| 1126 |
arg0 = addr_reg; |
| 1127 |
#endif
|
| 1128 |
|
| 1129 |
switch(opc) {
|
| 1130 |
case 0: |
| 1131 |
/* stb data_reg, [arg0] */
|
| 1132 |
tcg_out_ldst(s, data_reg, arg0, 0, STB);
|
| 1133 |
break;
|
| 1134 |
case 1: |
| 1135 |
#ifdef TARGET_WORDS_BIGENDIAN
|
| 1136 |
/* sth data_reg, [arg0] */
|
| 1137 |
tcg_out_ldst(s, data_reg, arg0, 0, STH);
|
| 1138 |
#else
|
| 1139 |
/* stha data_reg, [arg0] ASI_PRIMARY_LITTLE */
|
| 1140 |
tcg_out_ldst_asi(s, data_reg, arg0, 0, STHA, ASI_PRIMARY_LITTLE);
|
| 1141 |
#endif
|
| 1142 |
break;
|
| 1143 |
case 2: |
| 1144 |
#ifdef TARGET_WORDS_BIGENDIAN
|
| 1145 |
/* stw data_reg, [arg0] */
|
| 1146 |
tcg_out_ldst(s, data_reg, arg0, 0, STW);
|
| 1147 |
#else
|
| 1148 |
/* stwa data_reg, [arg0] ASI_PRIMARY_LITTLE */
|
| 1149 |
tcg_out_ldst_asi(s, data_reg, arg0, 0, STWA, ASI_PRIMARY_LITTLE);
|
| 1150 |
#endif
|
| 1151 |
break;
|
| 1152 |
case 3: |
| 1153 |
#ifdef TARGET_WORDS_BIGENDIAN
|
| 1154 |
/* stx data_reg, [arg0] */
|
| 1155 |
tcg_out_ldst(s, data_reg, arg0, 0, STX);
|
| 1156 |
#else
|
| 1157 |
/* stxa data_reg, [arg0] ASI_PRIMARY_LITTLE */
|
| 1158 |
tcg_out_ldst_asi(s, data_reg, arg0, 0, STXA, ASI_PRIMARY_LITTLE);
|
| 1159 |
#endif
|
| 1160 |
break;
|
| 1161 |
default:
|
| 1162 |
tcg_abort(); |
| 1163 |
} |
| 1164 |
|
| 1165 |
#if defined(CONFIG_SOFTMMU)
|
| 1166 |
/* label2: */
|
| 1167 |
*label2_ptr = (INSN_OP(0) | INSN_COND(COND_A, 0) | INSN_OP2(0x2) | |
| 1168 |
INSN_OFF22((unsigned long)s->code_ptr - |
| 1169 |
(unsigned long)label2_ptr)); |
| 1170 |
#endif
|
| 1171 |
} |
| 1172 |
|
| 1173 |
static inline void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args, |
| 1174 |
const int *const_args) |
| 1175 |
{
|
| 1176 |
int c;
|
| 1177 |
|
| 1178 |
switch (opc) {
|
| 1179 |
case INDEX_op_exit_tb:
|
| 1180 |
tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_I0, args[0]);
|
| 1181 |
tcg_out32(s, JMPL | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_I7) | |
| 1182 |
INSN_IMM13(8));
|
| 1183 |
tcg_out32(s, RESTORE | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_G0) | |
| 1184 |
INSN_RS2(TCG_REG_G0)); |
| 1185 |
break;
|
| 1186 |
case INDEX_op_goto_tb:
|
| 1187 |
if (s->tb_jmp_offset) {
|
| 1188 |
/* direct jump method */
|
| 1189 |
tcg_out_sethi(s, TCG_REG_I5, args[0] & 0xffffe000); |
| 1190 |
tcg_out32(s, JMPL | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_I5) | |
| 1191 |
INSN_IMM13((args[0] & 0x1fff))); |
| 1192 |
s->tb_jmp_offset[args[0]] = s->code_ptr - s->code_buf;
|
| 1193 |
} else {
|
| 1194 |
/* indirect jump method */
|
| 1195 |
tcg_out_ld_ptr(s, TCG_REG_I5, (tcg_target_long)(s->tb_next + args[0]));
|
| 1196 |
tcg_out32(s, JMPL | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_I5) | |
| 1197 |
INSN_RS2(TCG_REG_G0)); |
| 1198 |
} |
| 1199 |
tcg_out_nop(s); |
| 1200 |
s->tb_next_offset[args[0]] = s->code_ptr - s->code_buf;
|
| 1201 |
break;
|
| 1202 |
case INDEX_op_call:
|
| 1203 |
if (const_args[0]) |
| 1204 |
tcg_out32(s, CALL | ((((tcg_target_ulong)args[0]
|
| 1205 |
- (tcg_target_ulong)s->code_ptr) >> 2)
|
| 1206 |
& 0x3fffffff));
|
| 1207 |
else {
|
| 1208 |
tcg_out_ld_ptr(s, TCG_REG_I5, |
| 1209 |
(tcg_target_long)(s->tb_next + args[0]));
|
| 1210 |
tcg_out32(s, JMPL | INSN_RD(TCG_REG_O7) | INSN_RS1(TCG_REG_I5) | |
| 1211 |
INSN_RS2(TCG_REG_G0)); |
| 1212 |
} |
| 1213 |
/* Store AREG0 in stack to avoid ugly glibc bugs that mangle
|
| 1214 |
global registers */
|
| 1215 |
// delay slot
|
| 1216 |
tcg_out_ldst(s, TCG_AREG0, TCG_REG_CALL_STACK, |
| 1217 |
TCG_TARGET_CALL_STACK_OFFSET - TCG_STATIC_CALL_ARGS_SIZE - |
| 1218 |
sizeof(long), HOST_ST_OP); |
| 1219 |
tcg_out_ldst(s, TCG_AREG0, TCG_REG_CALL_STACK, |
| 1220 |
TCG_TARGET_CALL_STACK_OFFSET - TCG_STATIC_CALL_ARGS_SIZE - |
| 1221 |
sizeof(long), HOST_LD_OP); |
| 1222 |
break;
|
| 1223 |
case INDEX_op_jmp:
|
| 1224 |
case INDEX_op_br:
|
| 1225 |
tcg_out_branch_i32(s, COND_A, args[0]);
|
| 1226 |
tcg_out_nop(s); |
| 1227 |
break;
|
| 1228 |
case INDEX_op_movi_i32:
|
| 1229 |
tcg_out_movi(s, TCG_TYPE_I32, args[0], (uint32_t)args[1]); |
| 1230 |
break;
|
| 1231 |
|
| 1232 |
#if TCG_TARGET_REG_BITS == 64 |
| 1233 |
#define OP_32_64(x) \
|
| 1234 |
glue(glue(case INDEX_op_, x), _i32): \
|
| 1235 |
glue(glue(case INDEX_op_, x), _i64)
|
| 1236 |
#else
|
| 1237 |
#define OP_32_64(x) \
|
| 1238 |
glue(glue(case INDEX_op_, x), _i32)
|
| 1239 |
#endif
|
| 1240 |
OP_32_64(ld8u): |
| 1241 |
tcg_out_ldst(s, args[0], args[1], args[2], LDUB); |
| 1242 |
break;
|
| 1243 |
OP_32_64(ld8s): |
| 1244 |
tcg_out_ldst(s, args[0], args[1], args[2], LDSB); |
| 1245 |
break;
|
| 1246 |
OP_32_64(ld16u): |
| 1247 |
tcg_out_ldst(s, args[0], args[1], args[2], LDUH); |
| 1248 |
break;
|
| 1249 |
OP_32_64(ld16s): |
| 1250 |
tcg_out_ldst(s, args[0], args[1], args[2], LDSH); |
| 1251 |
break;
|
| 1252 |
case INDEX_op_ld_i32:
|
| 1253 |
#if TCG_TARGET_REG_BITS == 64 |
| 1254 |
case INDEX_op_ld32u_i64:
|
| 1255 |
#endif
|
| 1256 |
tcg_out_ldst(s, args[0], args[1], args[2], LDUW); |
| 1257 |
break;
|
| 1258 |
OP_32_64(st8): |
| 1259 |
tcg_out_ldst(s, args[0], args[1], args[2], STB); |
| 1260 |
break;
|
| 1261 |
OP_32_64(st16): |
| 1262 |
tcg_out_ldst(s, args[0], args[1], args[2], STH); |
| 1263 |
break;
|
| 1264 |
case INDEX_op_st_i32:
|
| 1265 |
#if TCG_TARGET_REG_BITS == 64 |
| 1266 |
case INDEX_op_st32_i64:
|
| 1267 |
#endif
|
| 1268 |
tcg_out_ldst(s, args[0], args[1], args[2], STW); |
| 1269 |
break;
|
| 1270 |
OP_32_64(add): |
| 1271 |
c = ARITH_ADD; |
| 1272 |
goto gen_arith;
|
| 1273 |
OP_32_64(sub): |
| 1274 |
c = ARITH_SUB; |
| 1275 |
goto gen_arith;
|
| 1276 |
OP_32_64(and): |
| 1277 |
c = ARITH_AND; |
| 1278 |
goto gen_arith;
|
| 1279 |
OP_32_64(andc): |
| 1280 |
c = ARITH_ANDN; |
| 1281 |
goto gen_arith;
|
| 1282 |
OP_32_64(or): |
| 1283 |
c = ARITH_OR; |
| 1284 |
goto gen_arith;
|
| 1285 |
OP_32_64(orc): |
| 1286 |
c = ARITH_ORN; |
| 1287 |
goto gen_arith;
|
| 1288 |
OP_32_64(xor): |
| 1289 |
c = ARITH_XOR; |
| 1290 |
goto gen_arith;
|
| 1291 |
case INDEX_op_shl_i32:
|
| 1292 |
c = SHIFT_SLL; |
| 1293 |
goto gen_arith;
|
| 1294 |
case INDEX_op_shr_i32:
|
| 1295 |
c = SHIFT_SRL; |
| 1296 |
goto gen_arith;
|
| 1297 |
case INDEX_op_sar_i32:
|
| 1298 |
c = SHIFT_SRA; |
| 1299 |
goto gen_arith;
|
| 1300 |
case INDEX_op_mul_i32:
|
| 1301 |
c = ARITH_UMUL; |
| 1302 |
goto gen_arith;
|
| 1303 |
|
| 1304 |
OP_32_64(neg): |
| 1305 |
c = ARITH_SUB; |
| 1306 |
goto gen_arith1;
|
| 1307 |
OP_32_64(not): |
| 1308 |
c = ARITH_ORN; |
| 1309 |
goto gen_arith1;
|
| 1310 |
|
| 1311 |
case INDEX_op_div_i32:
|
| 1312 |
tcg_out_div32(s, args[0], args[1], args[2], const_args[2], 0); |
| 1313 |
break;
|
| 1314 |
case INDEX_op_divu_i32:
|
| 1315 |
tcg_out_div32(s, args[0], args[1], args[2], const_args[2], 1); |
| 1316 |
break;
|
| 1317 |
|
| 1318 |
case INDEX_op_rem_i32:
|
| 1319 |
case INDEX_op_remu_i32:
|
| 1320 |
tcg_out_div32(s, TCG_REG_I5, args[1], args[2], const_args[2], |
| 1321 |
opc == INDEX_op_remu_i32); |
| 1322 |
tcg_out_arithc(s, TCG_REG_I5, TCG_REG_I5, args[2], const_args[2], |
| 1323 |
ARITH_UMUL); |
| 1324 |
tcg_out_arith(s, args[0], args[1], TCG_REG_I5, ARITH_SUB); |
| 1325 |
break;
|
| 1326 |
|
| 1327 |
case INDEX_op_brcond_i32:
|
| 1328 |
tcg_out_brcond_i32(s, args[2], args[0], args[1], const_args[1], |
| 1329 |
args[3]);
|
| 1330 |
break;
|
| 1331 |
case INDEX_op_setcond_i32:
|
| 1332 |
tcg_out_setcond_i32(s, args[3], args[0], args[1], |
| 1333 |
args[2], const_args[2]); |
| 1334 |
break;
|
| 1335 |
|
| 1336 |
#if TCG_TARGET_REG_BITS == 32 |
| 1337 |
case INDEX_op_brcond2_i32:
|
| 1338 |
tcg_out_brcond2_i32(s, args[4], args[0], args[1], |
| 1339 |
args[2], const_args[2], |
| 1340 |
args[3], const_args[3], args[5]); |
| 1341 |
break;
|
| 1342 |
case INDEX_op_setcond2_i32:
|
| 1343 |
tcg_out_setcond2_i32(s, args[5], args[0], args[1], args[2], |
| 1344 |
args[3], const_args[3], |
| 1345 |
args[4], const_args[4]); |
| 1346 |
break;
|
| 1347 |
case INDEX_op_add2_i32:
|
| 1348 |
tcg_out_arithc(s, args[0], args[2], args[4], const_args[4], |
| 1349 |
ARITH_ADDCC); |
| 1350 |
tcg_out_arithc(s, args[1], args[3], args[5], const_args[5], |
| 1351 |
ARITH_ADDX); |
| 1352 |
break;
|
| 1353 |
case INDEX_op_sub2_i32:
|
| 1354 |
tcg_out_arithc(s, args[0], args[2], args[4], const_args[4], |
| 1355 |
ARITH_SUBCC); |
| 1356 |
tcg_out_arithc(s, args[1], args[3], args[5], const_args[5], |
| 1357 |
ARITH_SUBX); |
| 1358 |
break;
|
| 1359 |
case INDEX_op_mulu2_i32:
|
| 1360 |
tcg_out_arithc(s, args[0], args[2], args[3], const_args[3], |
| 1361 |
ARITH_UMUL); |
| 1362 |
tcg_out_rdy(s, args[1]);
|
| 1363 |
break;
|
| 1364 |
#endif
|
| 1365 |
|
| 1366 |
case INDEX_op_qemu_ld8u:
|
| 1367 |
tcg_out_qemu_ld(s, args, 0);
|
| 1368 |
break;
|
| 1369 |
case INDEX_op_qemu_ld8s:
|
| 1370 |
tcg_out_qemu_ld(s, args, 0 | 4); |
| 1371 |
break;
|
| 1372 |
case INDEX_op_qemu_ld16u:
|
| 1373 |
tcg_out_qemu_ld(s, args, 1);
|
| 1374 |
break;
|
| 1375 |
case INDEX_op_qemu_ld16s:
|
| 1376 |
tcg_out_qemu_ld(s, args, 1 | 4); |
| 1377 |
break;
|
| 1378 |
case INDEX_op_qemu_ld32:
|
| 1379 |
#if TCG_TARGET_REG_BITS == 64 |
| 1380 |
case INDEX_op_qemu_ld32u:
|
| 1381 |
#endif
|
| 1382 |
tcg_out_qemu_ld(s, args, 2);
|
| 1383 |
break;
|
| 1384 |
#if TCG_TARGET_REG_BITS == 64 |
| 1385 |
case INDEX_op_qemu_ld32s:
|
| 1386 |
tcg_out_qemu_ld(s, args, 2 | 4); |
| 1387 |
break;
|
| 1388 |
#endif
|
| 1389 |
case INDEX_op_qemu_st8:
|
| 1390 |
tcg_out_qemu_st(s, args, 0);
|
| 1391 |
break;
|
| 1392 |
case INDEX_op_qemu_st16:
|
| 1393 |
tcg_out_qemu_st(s, args, 1);
|
| 1394 |
break;
|
| 1395 |
case INDEX_op_qemu_st32:
|
| 1396 |
tcg_out_qemu_st(s, args, 2);
|
| 1397 |
break;
|
| 1398 |
|
| 1399 |
#if TCG_TARGET_REG_BITS == 64 |
| 1400 |
case INDEX_op_movi_i64:
|
| 1401 |
tcg_out_movi(s, TCG_TYPE_I64, args[0], args[1]); |
| 1402 |
break;
|
| 1403 |
case INDEX_op_ld32s_i64:
|
| 1404 |
tcg_out_ldst(s, args[0], args[1], args[2], LDSW); |
| 1405 |
break;
|
| 1406 |
case INDEX_op_ld_i64:
|
| 1407 |
tcg_out_ldst(s, args[0], args[1], args[2], LDX); |
| 1408 |
break;
|
| 1409 |
case INDEX_op_st_i64:
|
| 1410 |
tcg_out_ldst(s, args[0], args[1], args[2], STX); |
| 1411 |
break;
|
| 1412 |
case INDEX_op_shl_i64:
|
| 1413 |
c = SHIFT_SLLX; |
| 1414 |
goto gen_arith;
|
| 1415 |
case INDEX_op_shr_i64:
|
| 1416 |
c = SHIFT_SRLX; |
| 1417 |
goto gen_arith;
|
| 1418 |
case INDEX_op_sar_i64:
|
| 1419 |
c = SHIFT_SRAX; |
| 1420 |
goto gen_arith;
|
| 1421 |
case INDEX_op_mul_i64:
|
| 1422 |
c = ARITH_MULX; |
| 1423 |
goto gen_arith;
|
| 1424 |
case INDEX_op_div_i64:
|
| 1425 |
c = ARITH_SDIVX; |
| 1426 |
goto gen_arith;
|
| 1427 |
case INDEX_op_divu_i64:
|
| 1428 |
c = ARITH_UDIVX; |
| 1429 |
goto gen_arith;
|
| 1430 |
case INDEX_op_rem_i64:
|
| 1431 |
case INDEX_op_remu_i64:
|
| 1432 |
tcg_out_arithc(s, TCG_REG_I5, args[1], args[2], const_args[2], |
| 1433 |
opc == INDEX_op_rem_i64 ? ARITH_SDIVX : ARITH_UDIVX); |
| 1434 |
tcg_out_arithc(s, TCG_REG_I5, TCG_REG_I5, args[2], const_args[2], |
| 1435 |
ARITH_MULX); |
| 1436 |
tcg_out_arith(s, args[0], args[1], TCG_REG_I5, ARITH_SUB); |
| 1437 |
break;
|
| 1438 |
case INDEX_op_ext32s_i64:
|
| 1439 |
if (const_args[1]) { |
| 1440 |
tcg_out_movi(s, TCG_TYPE_I64, args[0], (int32_t)args[1]); |
| 1441 |
} else {
|
| 1442 |
tcg_out_arithi(s, args[0], args[1], 0, SHIFT_SRA); |
| 1443 |
} |
| 1444 |
break;
|
| 1445 |
case INDEX_op_ext32u_i64:
|
| 1446 |
if (const_args[1]) { |
| 1447 |
tcg_out_movi_imm32(s, args[0], args[1]); |
| 1448 |
} else {
|
| 1449 |
tcg_out_arithi(s, args[0], args[1], 0, SHIFT_SRL); |
| 1450 |
} |
| 1451 |
break;
|
| 1452 |
|
| 1453 |
case INDEX_op_brcond_i64:
|
| 1454 |
tcg_out_brcond_i64(s, args[2], args[0], args[1], const_args[1], |
| 1455 |
args[3]);
|
| 1456 |
break;
|
| 1457 |
case INDEX_op_setcond_i64:
|
| 1458 |
tcg_out_setcond_i64(s, args[3], args[0], args[1], |
| 1459 |
args[2], const_args[2]); |
| 1460 |
break;
|
| 1461 |
|
| 1462 |
case INDEX_op_qemu_ld64:
|
| 1463 |
tcg_out_qemu_ld(s, args, 3);
|
| 1464 |
break;
|
| 1465 |
case INDEX_op_qemu_st64:
|
| 1466 |
tcg_out_qemu_st(s, args, 3);
|
| 1467 |
break;
|
| 1468 |
|
| 1469 |
#endif
|
| 1470 |
gen_arith:
|
| 1471 |
tcg_out_arithc(s, args[0], args[1], args[2], const_args[2], c); |
| 1472 |
break;
|
| 1473 |
|
| 1474 |
gen_arith1:
|
| 1475 |
tcg_out_arithc(s, args[0], TCG_REG_G0, args[1], const_args[1], c); |
| 1476 |
break;
|
| 1477 |
|
| 1478 |
default:
|
| 1479 |
fprintf(stderr, "unknown opcode 0x%x\n", opc);
|
| 1480 |
tcg_abort(); |
| 1481 |
} |
| 1482 |
} |
| 1483 |
|
| 1484 |
static const TCGTargetOpDef sparc_op_defs[] = { |
| 1485 |
{ INDEX_op_exit_tb, { } },
|
| 1486 |
{ INDEX_op_goto_tb, { } },
|
| 1487 |
{ INDEX_op_call, { "ri" } },
|
| 1488 |
{ INDEX_op_jmp, { "ri" } },
|
| 1489 |
{ INDEX_op_br, { } },
|
| 1490 |
|
| 1491 |
{ INDEX_op_mov_i32, { "r", "r" } },
|
| 1492 |
{ INDEX_op_movi_i32, { "r" } },
|
| 1493 |
{ INDEX_op_ld8u_i32, { "r", "r" } },
|
| 1494 |
{ INDEX_op_ld8s_i32, { "r", "r" } },
|
| 1495 |
{ INDEX_op_ld16u_i32, { "r", "r" } },
|
| 1496 |
{ INDEX_op_ld16s_i32, { "r", "r" } },
|
| 1497 |
{ INDEX_op_ld_i32, { "r", "r" } },
|
| 1498 |
{ INDEX_op_st8_i32, { "r", "r" } },
|
| 1499 |
{ INDEX_op_st16_i32, { "r", "r" } },
|
| 1500 |
{ INDEX_op_st_i32, { "r", "r" } },
|
| 1501 |
|
| 1502 |
{ INDEX_op_add_i32, { "r", "r", "rJ" } },
|
| 1503 |
{ INDEX_op_mul_i32, { "r", "r", "rJ" } },
|
| 1504 |
{ INDEX_op_div_i32, { "r", "r", "rJ" } },
|
| 1505 |
{ INDEX_op_divu_i32, { "r", "r", "rJ" } },
|
| 1506 |
{ INDEX_op_rem_i32, { "r", "r", "rJ" } },
|
| 1507 |
{ INDEX_op_remu_i32, { "r", "r", "rJ" } },
|
| 1508 |
{ INDEX_op_sub_i32, { "r", "r", "rJ" } },
|
| 1509 |
{ INDEX_op_and_i32, { "r", "r", "rJ" } },
|
| 1510 |
{ INDEX_op_andc_i32, { "r", "r", "rJ" } },
|
| 1511 |
{ INDEX_op_or_i32, { "r", "r", "rJ" } },
|
| 1512 |
{ INDEX_op_orc_i32, { "r", "r", "rJ" } },
|
| 1513 |
{ INDEX_op_xor_i32, { "r", "r", "rJ" } },
|
| 1514 |
|
| 1515 |
{ INDEX_op_shl_i32, { "r", "r", "rJ" } },
|
| 1516 |
{ INDEX_op_shr_i32, { "r", "r", "rJ" } },
|
| 1517 |
{ INDEX_op_sar_i32, { "r", "r", "rJ" } },
|
| 1518 |
|
| 1519 |
{ INDEX_op_neg_i32, { "r", "rJ" } },
|
| 1520 |
{ INDEX_op_not_i32, { "r", "rJ" } },
|
| 1521 |
|
| 1522 |
{ INDEX_op_brcond_i32, { "r", "rJ" } },
|
| 1523 |
{ INDEX_op_setcond_i32, { "r", "r", "rJ" } },
|
| 1524 |
|
| 1525 |
#if TCG_TARGET_REG_BITS == 32 |
| 1526 |
{ INDEX_op_brcond2_i32, { "r", "r", "rJ", "rJ" } },
|
| 1527 |
{ INDEX_op_setcond2_i32, { "r", "r", "r", "rJ", "rJ" } },
|
| 1528 |
{ INDEX_op_add2_i32, { "r", "r", "r", "r", "rJ", "rJ" } },
|
| 1529 |
{ INDEX_op_sub2_i32, { "r", "r", "r", "r", "rJ", "rJ" } },
|
| 1530 |
{ INDEX_op_mulu2_i32, { "r", "r", "r", "rJ" } },
|
| 1531 |
#endif
|
| 1532 |
|
| 1533 |
{ INDEX_op_qemu_ld8u, { "r", "L" } },
|
| 1534 |
{ INDEX_op_qemu_ld8s, { "r", "L" } },
|
| 1535 |
{ INDEX_op_qemu_ld16u, { "r", "L" } },
|
| 1536 |
{ INDEX_op_qemu_ld16s, { "r", "L" } },
|
| 1537 |
{ INDEX_op_qemu_ld32, { "r", "L" } },
|
| 1538 |
#if TCG_TARGET_REG_BITS == 64 |
| 1539 |
{ INDEX_op_qemu_ld32u, { "r", "L" } },
|
| 1540 |
{ INDEX_op_qemu_ld32s, { "r", "L" } },
|
| 1541 |
#endif
|
| 1542 |
|
| 1543 |
{ INDEX_op_qemu_st8, { "L", "L" } },
|
| 1544 |
{ INDEX_op_qemu_st16, { "L", "L" } },
|
| 1545 |
{ INDEX_op_qemu_st32, { "L", "L" } },
|
| 1546 |
|
| 1547 |
#if TCG_TARGET_REG_BITS == 64 |
| 1548 |
{ INDEX_op_mov_i64, { "r", "r" } },
|
| 1549 |
{ INDEX_op_movi_i64, { "r" } },
|
| 1550 |
{ INDEX_op_ld8u_i64, { "r", "r" } },
|
| 1551 |
{ INDEX_op_ld8s_i64, { "r", "r" } },
|
| 1552 |
{ INDEX_op_ld16u_i64, { "r", "r" } },
|
| 1553 |
{ INDEX_op_ld16s_i64, { "r", "r" } },
|
| 1554 |
{ INDEX_op_ld32u_i64, { "r", "r" } },
|
| 1555 |
{ INDEX_op_ld32s_i64, { "r", "r" } },
|
| 1556 |
{ INDEX_op_ld_i64, { "r", "r" } },
|
| 1557 |
{ INDEX_op_st8_i64, { "r", "r" } },
|
| 1558 |
{ INDEX_op_st16_i64, { "r", "r" } },
|
| 1559 |
{ INDEX_op_st32_i64, { "r", "r" } },
|
| 1560 |
{ INDEX_op_st_i64, { "r", "r" } },
|
| 1561 |
{ INDEX_op_qemu_ld64, { "L", "L" } },
|
| 1562 |
{ INDEX_op_qemu_st64, { "L", "L" } },
|
| 1563 |
|
| 1564 |
{ INDEX_op_add_i64, { "r", "r", "rJ" } },
|
| 1565 |
{ INDEX_op_mul_i64, { "r", "r", "rJ" } },
|
| 1566 |
{ INDEX_op_div_i64, { "r", "r", "rJ" } },
|
| 1567 |
{ INDEX_op_divu_i64, { "r", "r", "rJ" } },
|
| 1568 |
{ INDEX_op_rem_i64, { "r", "r", "rJ" } },
|
| 1569 |
{ INDEX_op_remu_i64, { "r", "r", "rJ" } },
|
| 1570 |
{ INDEX_op_sub_i64, { "r", "r", "rJ" } },
|
| 1571 |
{ INDEX_op_and_i64, { "r", "r", "rJ" } },
|
| 1572 |
{ INDEX_op_andc_i64, { "r", "r", "rJ" } },
|
| 1573 |
{ INDEX_op_or_i64, { "r", "r", "rJ" } },
|
| 1574 |
{ INDEX_op_orc_i64, { "r", "r", "rJ" } },
|
| 1575 |
{ INDEX_op_xor_i64, { "r", "r", "rJ" } },
|
| 1576 |
|
| 1577 |
{ INDEX_op_shl_i64, { "r", "r", "rJ" } },
|
| 1578 |
{ INDEX_op_shr_i64, { "r", "r", "rJ" } },
|
| 1579 |
{ INDEX_op_sar_i64, { "r", "r", "rJ" } },
|
| 1580 |
|
| 1581 |
{ INDEX_op_neg_i64, { "r", "rJ" } },
|
| 1582 |
{ INDEX_op_not_i64, { "r", "rJ" } },
|
| 1583 |
|
| 1584 |
{ INDEX_op_ext32s_i64, { "r", "ri" } },
|
| 1585 |
{ INDEX_op_ext32u_i64, { "r", "ri" } },
|
| 1586 |
|
| 1587 |
{ INDEX_op_brcond_i64, { "r", "rJ" } },
|
| 1588 |
{ INDEX_op_setcond_i64, { "r", "r", "rJ" } },
|
| 1589 |
#endif
|
| 1590 |
{ -1 },
|
| 1591 |
}; |
| 1592 |
|
| 1593 |
static void tcg_target_init(TCGContext *s) |
| 1594 |
{
|
| 1595 |
tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I32], 0, 0xffffffff); |
| 1596 |
#if TCG_TARGET_REG_BITS == 64 |
| 1597 |
tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I64], 0, 0xffffffff); |
| 1598 |
#endif
|
| 1599 |
tcg_regset_set32(tcg_target_call_clobber_regs, 0,
|
| 1600 |
(1 << TCG_REG_G1) |
|
| 1601 |
(1 << TCG_REG_G2) |
|
| 1602 |
(1 << TCG_REG_G3) |
|
| 1603 |
(1 << TCG_REG_G4) |
|
| 1604 |
(1 << TCG_REG_G5) |
|
| 1605 |
(1 << TCG_REG_G6) |
|
| 1606 |
(1 << TCG_REG_G7) |
|
| 1607 |
(1 << TCG_REG_O0) |
|
| 1608 |
(1 << TCG_REG_O1) |
|
| 1609 |
(1 << TCG_REG_O2) |
|
| 1610 |
(1 << TCG_REG_O3) |
|
| 1611 |
(1 << TCG_REG_O4) |
|
| 1612 |
(1 << TCG_REG_O5) |
|
| 1613 |
(1 << TCG_REG_O7));
|
| 1614 |
|
| 1615 |
tcg_regset_clear(s->reserved_regs); |
| 1616 |
tcg_regset_set_reg(s->reserved_regs, TCG_REG_G0); |
| 1617 |
#if TCG_TARGET_REG_BITS == 64 |
| 1618 |
tcg_regset_set_reg(s->reserved_regs, TCG_REG_I4); // for internal use
|
| 1619 |
#endif
|
| 1620 |
tcg_regset_set_reg(s->reserved_regs, TCG_REG_I5); // for internal use
|
| 1621 |
tcg_regset_set_reg(s->reserved_regs, TCG_REG_I6); |
| 1622 |
tcg_regset_set_reg(s->reserved_regs, TCG_REG_I7); |
| 1623 |
tcg_regset_set_reg(s->reserved_regs, TCG_REG_O6); |
| 1624 |
tcg_regset_set_reg(s->reserved_regs, TCG_REG_O7); |
| 1625 |
tcg_add_target_add_op_defs(sparc_op_defs); |
| 1626 |
} |
| 1627 |
|
| 1628 |
#if TCG_TARGET_REG_BITS == 64 |
| 1629 |
# define ELF_HOST_MACHINE EM_SPARCV9
|
| 1630 |
#elif defined(__sparc_v8plus__)
|
| 1631 |
# define ELF_HOST_MACHINE EM_SPARC32PLUS
|
| 1632 |
# define ELF_HOST_FLAGS EF_SPARC_32PLUS
|
| 1633 |
#else
|
| 1634 |
# define ELF_HOST_MACHINE EM_SPARC
|
| 1635 |
#endif
|
| 1636 |
|
| 1637 |
typedef struct { |
| 1638 |
uint32_t len __attribute__((aligned((sizeof(void *))))); |
| 1639 |
uint32_t id; |
| 1640 |
uint8_t version; |
| 1641 |
char augmentation[1]; |
| 1642 |
uint8_t code_align; |
| 1643 |
uint8_t data_align; |
| 1644 |
uint8_t return_column; |
| 1645 |
} DebugFrameCIE; |
| 1646 |
|
| 1647 |
typedef struct { |
| 1648 |
uint32_t len __attribute__((aligned((sizeof(void *))))); |
| 1649 |
uint32_t cie_offset; |
| 1650 |
tcg_target_long func_start __attribute__((packed)); |
| 1651 |
tcg_target_long func_len __attribute__((packed)); |
| 1652 |
uint8_t def_cfa[TCG_TARGET_REG_BITS == 64 ? 4 : 2]; |
| 1653 |
uint8_t win_save; |
| 1654 |
uint8_t ret_save[3];
|
| 1655 |
} DebugFrameFDE; |
| 1656 |
|
| 1657 |
typedef struct { |
| 1658 |
DebugFrameCIE cie; |
| 1659 |
DebugFrameFDE fde; |
| 1660 |
} DebugFrame; |
| 1661 |
|
| 1662 |
static DebugFrame debug_frame = {
|
| 1663 |
.cie.len = sizeof(DebugFrameCIE)-4, /* length after .len member */ |
| 1664 |
.cie.id = -1,
|
| 1665 |
.cie.version = 1,
|
| 1666 |
.cie.code_align = 1,
|
| 1667 |
.cie.data_align = -sizeof(void *) & 0x7f, |
| 1668 |
.cie.return_column = 15, /* o7 */ |
| 1669 |
|
| 1670 |
.fde.len = sizeof(DebugFrameFDE)-4, /* length after .len member */ |
| 1671 |
.fde.def_cfa = {
|
| 1672 |
#if TCG_TARGET_REG_BITS == 64 |
| 1673 |
12, 30, /* DW_CFA_def_cfa i6, 2047 */ |
| 1674 |
(2047 & 0x7f) | 0x80, (2047 >> 7) |
| 1675 |
#else
|
| 1676 |
13, 30 /* DW_CFA_def_cfa_register i6 */ |
| 1677 |
#endif
|
| 1678 |
}, |
| 1679 |
.fde.win_save = 0x2d, /* DW_CFA_GNU_window_save */ |
| 1680 |
.fde.ret_save = { 9, 15, 31 }, /* DW_CFA_register o7, i7 */
|
| 1681 |
}; |
| 1682 |
|
| 1683 |
void tcg_register_jit(void *buf, size_t buf_size) |
| 1684 |
{
|
| 1685 |
debug_frame.fde.func_start = (tcg_target_long) buf; |
| 1686 |
debug_frame.fde.func_len = buf_size; |
| 1687 |
|
| 1688 |
tcg_register_jit_int(buf, buf_size, &debug_frame, sizeof(debug_frame));
|
| 1689 |
} |