diff options
Diffstat (limited to 'tcg/x86_64/tcg-target.c')
| -rw-r--r-- | tcg/x86_64/tcg-target.c | 1445 |
1 files changed, 0 insertions, 1445 deletions
diff --git a/tcg/x86_64/tcg-target.c b/tcg/x86_64/tcg-target.c deleted file mode 100644 index 490666e..0000000 --- a/tcg/x86_64/tcg-target.c +++ /dev/null @@ -1,1445 +0,0 @@ -/* - * 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. - */ - -#ifndef NDEBUG -static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = { - "%rax", - "%rcx", - "%rdx", - "%rbx", - "%rsp", - "%rbp", - "%rsi", - "%rdi", - "%r8", - "%r9", - "%r10", - "%r11", - "%r12", - "%r13", - "%r14", - "%r15", -}; -#endif - -static const int tcg_target_reg_alloc_order[] = { - TCG_REG_RBP, - TCG_REG_RBX, - TCG_REG_R12, - TCG_REG_R13, - TCG_REG_R14, - TCG_REG_R15, - TCG_REG_R10, - TCG_REG_R11, - TCG_REG_R9, - TCG_REG_R8, - TCG_REG_RCX, - TCG_REG_RDX, - TCG_REG_RSI, - TCG_REG_RDI, - TCG_REG_RAX, -}; - -static const int tcg_target_call_iarg_regs[6] = { - TCG_REG_RDI, - TCG_REG_RSI, - TCG_REG_RDX, - TCG_REG_RCX, - TCG_REG_R8, - TCG_REG_R9, -}; - -static const int tcg_target_call_oarg_regs[2] = { - TCG_REG_RAX, - TCG_REG_RDX -}; - -static uint8_t *tb_ret_addr; - -static void patch_reloc(uint8_t *code_ptr, int type, - tcg_target_long value, tcg_target_long addend) -{ - value += addend; - switch(type) { - case R_X86_64_32: - if (value != (uint32_t)value) - tcg_abort(); - *(uint32_t *)code_ptr = value; - break; - case R_X86_64_32S: - if (value != (int32_t)value) - tcg_abort(); - *(uint32_t *)code_ptr = value; - break; - case R_386_PC32: - value -= (long)code_ptr; - if (value != (int32_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 'a': - ct->ct |= TCG_CT_REG; - tcg_regset_set_reg(ct->u.regs, TCG_REG_RAX); - break; - case 'b': - ct->ct |= TCG_CT_REG; - tcg_regset_set_reg(ct->u.regs, TCG_REG_RBX); - break; - case 'c': - ct->ct |= TCG_CT_REG; - tcg_regset_set_reg(ct->u.regs, TCG_REG_RCX); - break; - case 'd': - ct->ct |= TCG_CT_REG; - tcg_regset_set_reg(ct->u.regs, TCG_REG_RDX); - break; - case 'S': - ct->ct |= TCG_CT_REG; - tcg_regset_set_reg(ct->u.regs, TCG_REG_RSI); - break; - case 'D': - ct->ct |= TCG_CT_REG; - tcg_regset_set_reg(ct->u.regs, TCG_REG_RDI); - break; - case 'q': - ct->ct |= TCG_CT_REG; - tcg_regset_set32(ct->u.regs, 0, 0xf); - break; - case 'r': - ct->ct |= TCG_CT_REG; - tcg_regset_set32(ct->u.regs, 0, 0xffff); - break; - case 'L': /* qemu_ld/st constraint */ - ct->ct |= TCG_CT_REG; - tcg_regset_set32(ct->u.regs, 0, 0xffff); - tcg_regset_reset_reg(ct->u.regs, TCG_REG_RSI); - tcg_regset_reset_reg(ct->u.regs, TCG_REG_RDI); - break; - case 'e': - ct->ct |= TCG_CT_CONST_S32; - break; - case 'Z': - ct->ct |= TCG_CT_CONST_U32; - break; - default: - return -1; - } - ct_str++; - *pct_str = ct_str; - return 0; -} - -/* 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_S32) && val == (int32_t)val) - return 1; - else if ((ct & TCG_CT_CONST_U32) && val == (uint32_t)val) - return 1; - else - return 0; -} - -#define ARITH_ADD 0 -#define ARITH_OR 1 -#define ARITH_ADC 2 -#define ARITH_SBB 3 -#define ARITH_AND 4 -#define ARITH_SUB 5 -#define ARITH_XOR 6 -#define ARITH_CMP 7 - -#define SHIFT_ROL 0 -#define SHIFT_ROR 1 -#define SHIFT_SHL 4 -#define SHIFT_SHR 5 -#define SHIFT_SAR 7 - -#define JCC_JMP (-1) -#define JCC_JO 0x0 -#define JCC_JNO 0x1 -#define JCC_JB 0x2 -#define JCC_JAE 0x3 -#define JCC_JE 0x4 -#define JCC_JNE 0x5 -#define JCC_JBE 0x6 -#define JCC_JA 0x7 -#define JCC_JS 0x8 -#define JCC_JNS 0x9 -#define JCC_JP 0xa -#define JCC_JNP 0xb -#define JCC_JL 0xc -#define JCC_JGE 0xd -#define JCC_JLE 0xe -#define JCC_JG 0xf - -#define P_EXT 0x100 /* 0x0f opcode prefix */ -#define P_REXW 0x200 /* set rex.w = 1 */ -#define P_REXB_R 0x400 /* REG field as byte register */ -#define P_REXB_RM 0x800 /* R/M field as byte register */ - -static const uint8_t tcg_cond_to_jcc[10] = { - [TCG_COND_EQ] = JCC_JE, - [TCG_COND_NE] = JCC_JNE, - [TCG_COND_LT] = JCC_JL, - [TCG_COND_GE] = JCC_JGE, - [TCG_COND_LE] = JCC_JLE, - [TCG_COND_GT] = JCC_JG, - [TCG_COND_LTU] = JCC_JB, - [TCG_COND_GEU] = JCC_JAE, - [TCG_COND_LEU] = JCC_JBE, - [TCG_COND_GTU] = JCC_JA, -}; - -static void tcg_out_opc(TCGContext *s, int opc, int r, int rm, int x) -{ - int rex = 0; - - rex |= (opc & P_REXW) >> 6; /* REX.W */ - rex |= (r & 8) >> 1; /* REX.R */ - rex |= (x & 8) >> 2; /* REX.X */ - rex |= (rm & 8) >> 3; /* REX.B */ - - /* P_REXB_{R,RM} indicates that the given register is the low byte. - For %[abcd]l we need no REX prefix, but for %{si,di,bp,sp}l we do, - as otherwise the encoding indicates %[abcd]h. Note that the values - that are ORed in merely indicate that the REX byte must be present; - those bits get discarded in output. */ - rex |= opc & (r >= 4 ? P_REXB_R : 0); - rex |= opc & (rm >= 4 ? P_REXB_RM : 0); - - if (rex) { - tcg_out8(s, (uint8_t)(rex | 0x40)); - } - if (opc & P_EXT) { - tcg_out8(s, 0x0f); - } - tcg_out8(s, opc & 0xff); -} - -static inline void tcg_out_modrm(TCGContext *s, int opc, int r, int rm) -{ - tcg_out_opc(s, opc, r, rm, 0); - tcg_out8(s, 0xc0 | ((r & 7) << 3) | (rm & 7)); -} - -/* rm < 0 means no register index plus (-rm - 1 immediate bytes) */ -static inline void tcg_out_modrm_offset(TCGContext *s, int opc, int r, int rm, - tcg_target_long offset) -{ - if (rm < 0) { - tcg_target_long val; - tcg_out_opc(s, opc, r, 0, 0); - val = offset - ((tcg_target_long)s->code_ptr + 5 + (-rm - 1)); - if (val == (int32_t)val) { - /* eip relative */ - tcg_out8(s, 0x05 | ((r & 7) << 3)); - tcg_out32(s, val); - } else if (offset == (int32_t)offset) { - tcg_out8(s, 0x04 | ((r & 7) << 3)); - tcg_out8(s, 0x25); /* sib */ - tcg_out32(s, offset); - } else { - tcg_abort(); - } - } else if (offset == 0 && (rm & 7) != TCG_REG_RBP) { - tcg_out_opc(s, opc, r, rm, 0); - if ((rm & 7) == TCG_REG_RSP) { - tcg_out8(s, 0x04 | ((r & 7) << 3)); - tcg_out8(s, 0x24); - } else { - tcg_out8(s, 0x00 | ((r & 7) << 3) | (rm & 7)); - } - } else if ((int8_t)offset == offset) { - tcg_out_opc(s, opc, r, rm, 0); - if ((rm & 7) == TCG_REG_RSP) { - tcg_out8(s, 0x44 | ((r & 7) << 3)); - tcg_out8(s, 0x24); - } else { - tcg_out8(s, 0x40 | ((r & 7) << 3) | (rm & 7)); - } - tcg_out8(s, offset); - } else { - tcg_out_opc(s, opc, r, rm, 0); - if ((rm & 7) == TCG_REG_RSP) { - tcg_out8(s, 0x84 | ((r & 7) << 3)); - tcg_out8(s, 0x24); - } else { - tcg_out8(s, 0x80 | ((r & 7) << 3) | (rm & 7)); - } - tcg_out32(s, offset); - } -} - -#if defined(CONFIG_SOFTMMU) -/* XXX: incomplete. index must be different from ESP */ -static void tcg_out_modrm_offset2(TCGContext *s, int opc, int r, int rm, - int index, int shift, - tcg_target_long offset) -{ - int mod; - if (rm == -1) - tcg_abort(); - if (offset == 0 && (rm & 7) != TCG_REG_RBP) { - mod = 0; - } else if (offset == (int8_t)offset) { - mod = 0x40; - } else if (offset == (int32_t)offset) { - mod = 0x80; - } else { - tcg_abort(); - } - if (index == -1) { - tcg_out_opc(s, opc, r, rm, 0); - if ((rm & 7) == TCG_REG_RSP) { - tcg_out8(s, mod | ((r & 7) << 3) | 0x04); - tcg_out8(s, 0x04 | (rm & 7)); - } else { - tcg_out8(s, mod | ((r & 7) << 3) | (rm & 7)); - } - } else { - tcg_out_opc(s, opc, r, rm, index); - tcg_out8(s, mod | ((r & 7) << 3) | 0x04); - tcg_out8(s, (shift << 6) | ((index & 7) << 3) | (rm & 7)); - } - if (mod == 0x40) { - tcg_out8(s, offset); - } else if (mod == 0x80) { - tcg_out32(s, offset); - } -} -#endif - -static inline void tcg_out_mov(TCGContext *s, TCGType type, int ret, int arg) -{ - int rexw = (type == TCG_TYPE_I64 ? P_REXW : 0); - tcg_out_modrm(s, 0x8b | rexw, ret, arg); -} - -static inline void tcg_out_movi(TCGContext *s, TCGType type, - int ret, tcg_target_long arg) -{ - if (arg == 0) { - tcg_out_modrm(s, 0x01 | (ARITH_XOR << 3), ret, ret); /* xor r0,r0 */ - } else if (arg == (uint32_t)arg || type == TCG_TYPE_I32) { - tcg_out_opc(s, 0xb8 + (ret & 7), 0, ret, 0); - tcg_out32(s, arg); - } else if (arg == (int32_t)arg) { - tcg_out_modrm(s, 0xc7 | P_REXW, 0, ret); - tcg_out32(s, arg); - } else { - tcg_out_opc(s, (0xb8 + (ret & 7)) | P_REXW, 0, ret, 0); - tcg_out32(s, arg); - tcg_out32(s, arg >> 32); - } -} - -static void tcg_out_goto(TCGContext *s, int call, uint8_t *target) -{ - int32_t disp; - - disp = target - s->code_ptr - 5; - if (disp == (target - s->code_ptr - 5)) { - tcg_out8(s, call ? 0xe8 : 0xe9); - tcg_out32(s, disp); - } else { - tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_R10, (tcg_target_long) target); - tcg_out_modrm(s, 0xff, call ? 2 : 4, TCG_REG_R10); - } -} - -static inline void tcg_out_ld(TCGContext *s, TCGType type, int ret, - int arg1, tcg_target_long arg2) -{ - if (type == TCG_TYPE_I32) - tcg_out_modrm_offset(s, 0x8b, ret, arg1, arg2); /* movl */ - else - tcg_out_modrm_offset(s, 0x8b | P_REXW, ret, arg1, arg2); /* movq */ -} - -static inline void tcg_out_st(TCGContext *s, TCGType type, int arg, - int arg1, tcg_target_long arg2) -{ - if (type == TCG_TYPE_I32) - tcg_out_modrm_offset(s, 0x89, arg, arg1, arg2); /* movl */ - else - tcg_out_modrm_offset(s, 0x89 | P_REXW, arg, arg1, arg2); /* movq */ -} - -static inline void tgen_arithi32(TCGContext *s, int c, int r0, int32_t val) -{ - if ((c == ARITH_ADD && val == 1) || (c == ARITH_SUB && val == -1)) { - /* inc */ - tcg_out_modrm(s, 0xff, 0, r0); - } else if ((c == ARITH_ADD && val == -1) || (c == ARITH_SUB && val == 1)) { - /* dec */ - tcg_out_modrm(s, 0xff, 1, r0); - } else if (val == (int8_t)val) { - tcg_out_modrm(s, 0x83, c, r0); - tcg_out8(s, val); - } else if (c == ARITH_AND && val == 0xffu) { - /* movzbl */ - tcg_out_modrm(s, 0xb6 | P_EXT | P_REXB_RM, r0, r0); - } else if (c == ARITH_AND && val == 0xffffu) { - /* movzwl */ - tcg_out_modrm(s, 0xb7 | P_EXT, r0, r0); - } else { - tcg_out_modrm(s, 0x81, c, r0); - tcg_out32(s, val); - } -} - -static inline void tgen_arithi64(TCGContext *s, int c, int r0, int64_t val) -{ - if ((c == ARITH_ADD && val == 1) || (c == ARITH_SUB && val == -1)) { - /* inc */ - tcg_out_modrm(s, 0xff | P_REXW, 0, r0); - } else if ((c == ARITH_ADD && val == -1) || (c == ARITH_SUB && val == 1)) { - /* dec */ - tcg_out_modrm(s, 0xff | P_REXW, 1, r0); - } else if (c == ARITH_AND && val == 0xffffffffu) { - /* 32-bit mov zero extends */ - tcg_out_modrm(s, 0x8b, r0, r0); - } else if (c == ARITH_AND && val == (uint32_t)val) { - /* AND with no high bits set can use a 32-bit operation. */ - tgen_arithi32(s, c, r0, (uint32_t)val); - } else if (val == (int8_t)val) { - tcg_out_modrm(s, 0x83 | P_REXW, c, r0); - tcg_out8(s, val); - } else if (val == (int32_t)val) { - tcg_out_modrm(s, 0x81 | P_REXW, c, r0); - tcg_out32(s, val); - } else { - tcg_abort(); - } -} - -static void tcg_out_addi(TCGContext *s, int reg, tcg_target_long val) -{ - if (val != 0) - tgen_arithi64(s, ARITH_ADD, reg, val); -} - -static void tcg_out_jxx(TCGContext *s, int opc, int label_index) -{ - int32_t val, val1; - TCGLabel *l = &s->labels[label_index]; - - if (l->has_value) { - val = l->u.value - (tcg_target_long)s->code_ptr; - val1 = val - 2; - if ((int8_t)val1 == val1) { - if (opc == -1) - tcg_out8(s, 0xeb); - else - tcg_out8(s, 0x70 + opc); - tcg_out8(s, val1); - } else { - if (opc == -1) { - tcg_out8(s, 0xe9); - tcg_out32(s, val - 5); - } else { - tcg_out8(s, 0x0f); - tcg_out8(s, 0x80 + opc); - tcg_out32(s, val - 6); - } - } - } else { - if (opc == -1) { - tcg_out8(s, 0xe9); - } else { - tcg_out8(s, 0x0f); - tcg_out8(s, 0x80 + opc); - } - tcg_out_reloc(s, s->code_ptr, R_386_PC32, label_index, -4); - s->code_ptr += 4; - } -} - -static void tcg_out_cmp(TCGContext *s, TCGArg arg1, TCGArg arg2, - int const_arg2, int rexw) -{ - if (const_arg2) { - if (arg2 == 0) { - /* test r, r */ - tcg_out_modrm(s, 0x85 | rexw, arg1, arg1); - } else { - if (rexw) { - tgen_arithi64(s, ARITH_CMP, arg1, arg2); - } else { - tgen_arithi32(s, ARITH_CMP, arg1, arg2); - } - } - } else { - tcg_out_modrm(s, 0x01 | (ARITH_CMP << 3) | rexw, arg2, arg1); - } -} - -static void tcg_out_brcond(TCGContext *s, TCGCond cond, - TCGArg arg1, TCGArg arg2, int const_arg2, - int label_index, int rexw) -{ - tcg_out_cmp(s, arg1, arg2, const_arg2, rexw); - tcg_out_jxx(s, tcg_cond_to_jcc[cond], label_index); -} - -static void tcg_out_setcond(TCGContext *s, TCGCond cond, TCGArg dest, - TCGArg arg1, TCGArg arg2, int const_arg2, int rexw) -{ - tcg_out_cmp(s, arg1, arg2, const_arg2, rexw); - /* setcc */ - tcg_out_modrm(s, 0x90 | tcg_cond_to_jcc[cond] | P_EXT | P_REXB_RM, 0, dest); - tgen_arithi32(s, ARITH_AND, dest, 0xff); -} - -#if defined(CONFIG_SOFTMMU) - -#include "../../softmmu_defs.h" - -static void *qemu_ld_helpers[4] = { - __ldb_mmu, - __ldw_mmu, - __ldl_mmu, - __ldq_mmu, -}; - -static void *qemu_st_helpers[4] = { - __stb_mmu, - __stw_mmu, - __stl_mmu, - __stq_mmu, -}; -#endif - -static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, - int opc) -{ - int addr_reg, data_reg, r0, r1, mem_index, s_bits, bswap, rexw; - int32_t offset; -#if defined(CONFIG_SOFTMMU) - uint8_t *label1_ptr, *label2_ptr; -#endif - - data_reg = *args++; - addr_reg = *args++; - mem_index = *args; - s_bits = opc & 3; - - r0 = TCG_REG_RDI; - r1 = TCG_REG_RSI; - -#if TARGET_LONG_BITS == 32 - rexw = 0; -#else - rexw = P_REXW; -#endif -#if defined(CONFIG_SOFTMMU) - tcg_out_mov(s, TCG_TYPE_TL, r1, addr_reg); - tcg_out_mov(s, TCG_TYPE_TL, r0, addr_reg); - - tcg_out_modrm(s, 0xc1 | rexw, 5, r1); /* shr $x, r1 */ - tcg_out8(s, TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS); - - tcg_out_modrm(s, 0x81 | rexw, 4, r0); /* andl $x, r0 */ - tcg_out32(s, TARGET_PAGE_MASK | ((1 << s_bits) - 1)); - - tcg_out_modrm(s, 0x81, 4, r1); /* andl $x, r1 */ - tcg_out32(s, (CPU_TLB_SIZE - 1) << CPU_TLB_ENTRY_BITS); - - /* lea offset(r1, env), r1 */ - tcg_out_modrm_offset2(s, 0x8d | P_REXW, r1, r1, TCG_AREG0, 0, - offsetof(CPUState, tlb_table[mem_index][0].addr_read)); - - /* cmp 0(r1), r0 */ - tcg_out_modrm_offset(s, 0x3b | rexw, r0, r1, 0); - - tcg_out_mov(s, TCG_TYPE_TL, r0, addr_reg); - - /* je label1 */ - tcg_out8(s, 0x70 + JCC_JE); - label1_ptr = s->code_ptr; - s->code_ptr++; - - /* XXX: move that code at the end of the TB */ - tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_RSI, mem_index); - tcg_out_goto(s, 1, qemu_ld_helpers[s_bits]); - - switch(opc) { - case 0 | 4: - /* movsbq */ - tcg_out_modrm(s, 0xbe | P_EXT | P_REXW, data_reg, TCG_REG_RAX); - break; - case 1 | 4: - /* movswq */ - tcg_out_modrm(s, 0xbf | P_EXT | P_REXW, data_reg, TCG_REG_RAX); - break; - case 2 | 4: - /* movslq */ - tcg_out_modrm(s, 0x63 | P_REXW, data_reg, TCG_REG_RAX); - break; - case 0: - /* movzbq */ - tcg_out_modrm(s, 0xb6 | P_EXT | P_REXW, data_reg, TCG_REG_RAX); - break; - case 1: - /* movzwq */ - tcg_out_modrm(s, 0xb7 | P_EXT | P_REXW, data_reg, TCG_REG_RAX); - break; - case 2: - default: - tcg_out_mov(s, TCG_TYPE_I32, data_reg, TCG_REG_RAX); - break; - case 3: - tcg_out_mov(s, TCG_TYPE_I64, data_reg, TCG_REG_RAX); - break; - } - - /* jmp label2 */ - tcg_out8(s, 0xeb); - label2_ptr = s->code_ptr; - s->code_ptr++; - - /* label1: */ - *label1_ptr = s->code_ptr - label1_ptr - 1; - - /* add x(r1), r0 */ - tcg_out_modrm_offset(s, 0x03 | P_REXW, r0, r1, offsetof(CPUTLBEntry, addend) - - offsetof(CPUTLBEntry, addr_read)); - offset = 0; -#else - if (GUEST_BASE == (int32_t)GUEST_BASE) { - r0 = addr_reg; - offset = GUEST_BASE; - } else { - offset = 0; - /* movq $GUEST_BASE, r0 */ - tcg_out_opc(s, (0xb8 + (r0 & 7)) | P_REXW, 0, r0, 0); - tcg_out32(s, GUEST_BASE); - tcg_out32(s, GUEST_BASE >> 32); - /* addq addr_reg, r0 */ - tcg_out_modrm(s, 0x01 | P_REXW, addr_reg, r0); - } -#endif - -#ifdef TARGET_WORDS_BIGENDIAN - bswap = 1; -#else - bswap = 0; -#endif - switch(opc) { - case 0: - /* movzbl */ - tcg_out_modrm_offset(s, 0xb6 | P_EXT, data_reg, r0, offset); - break; - case 0 | 4: - /* movsbX */ - tcg_out_modrm_offset(s, 0xbe | P_EXT | rexw, data_reg, r0, offset); - break; - case 1: - /* movzwl */ - tcg_out_modrm_offset(s, 0xb7 | P_EXT, data_reg, r0, offset); - if (bswap) { - /* rolw $8, data_reg */ - tcg_out8(s, 0x66); - tcg_out_modrm(s, 0xc1, 0, data_reg); - tcg_out8(s, 8); - } - break; - case 1 | 4: - if (bswap) { - /* movzwl */ - tcg_out_modrm_offset(s, 0xb7 | P_EXT, data_reg, r0, offset); - /* rolw $8, data_reg */ - tcg_out8(s, 0x66); - tcg_out_modrm(s, 0xc1, 0, data_reg); - tcg_out8(s, 8); - - /* movswX data_reg, data_reg */ - tcg_out_modrm(s, 0xbf | P_EXT | rexw, data_reg, data_reg); - } else { - /* movswX */ - tcg_out_modrm_offset(s, 0xbf | P_EXT | rexw, data_reg, r0, offset); - } - break; - case 2: - /* movl (r0), data_reg */ - tcg_out_modrm_offset(s, 0x8b, data_reg, r0, offset); - if (bswap) { - /* bswap */ - tcg_out_opc(s, (0xc8 + (data_reg & 7)) | P_EXT, 0, data_reg, 0); - } - break; - case 2 | 4: - if (bswap) { - /* movl (r0), data_reg */ - tcg_out_modrm_offset(s, 0x8b, data_reg, r0, offset); - /* bswap */ - tcg_out_opc(s, (0xc8 + (data_reg & 7)) | P_EXT, 0, data_reg, 0); - /* movslq */ - tcg_out_modrm(s, 0x63 | P_REXW, data_reg, data_reg); - } else { - /* movslq */ - tcg_out_modrm_offset(s, 0x63 | P_REXW, data_reg, r0, offset); - } - break; - case 3: - /* movq (r0), data_reg */ - tcg_out_modrm_offset(s, 0x8b | P_REXW, data_reg, r0, offset); - if (bswap) { - /* bswap */ - tcg_out_opc(s, (0xc8 + (data_reg & 7)) | P_EXT | P_REXW, 0, data_reg, 0); - } - break; - default: - tcg_abort(); - } - -#if defined(CONFIG_SOFTMMU) - /* label2: */ - *label2_ptr = s->code_ptr - label2_ptr - 1; -#endif -} - -static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, - int opc) -{ - int addr_reg, data_reg, r0, r1, mem_index, s_bits, bswap, rexw; - int32_t offset; -#if defined(CONFIG_SOFTMMU) - uint8_t *label1_ptr, *label2_ptr; -#endif - - data_reg = *args++; - addr_reg = *args++; - mem_index = *args; - - s_bits = opc; - - r0 = TCG_REG_RDI; - r1 = TCG_REG_RSI; - -#if TARGET_LONG_BITS == 32 - rexw = 0; -#else - rexw = P_REXW; -#endif -#if defined(CONFIG_SOFTMMU) - tcg_out_mov(s, TCG_TYPE_TL, r1, addr_reg); - tcg_out_mov(s, TCG_TYPE_TL, r0, addr_reg); - - tcg_out_modrm(s, 0xc1 | rexw, 5, r1); /* shr $x, r1 */ - tcg_out8(s, TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS); - - tcg_out_modrm(s, 0x81 | rexw, 4, r0); /* andl $x, r0 */ - tcg_out32(s, TARGET_PAGE_MASK | ((1 << s_bits) - 1)); - - tcg_out_modrm(s, 0x81, 4, r1); /* andl $x, r1 */ - tcg_out32(s, (CPU_TLB_SIZE - 1) << CPU_TLB_ENTRY_BITS); - - /* lea offset(r1, env), r1 */ - tcg_out_modrm_offset2(s, 0x8d | P_REXW, r1, r1, TCG_AREG0, 0, - offsetof(CPUState, tlb_table[mem_index][0].addr_write)); - - /* cmp 0(r1), r0 */ - tcg_out_modrm_offset(s, 0x3b | rexw, r0, r1, 0); - - tcg_out_mov(s, TCG_TYPE_TL, r0, addr_reg); - - /* je label1 */ - tcg_out8(s, 0x70 + JCC_JE); - label1_ptr = s->code_ptr; - s->code_ptr++; - - /* XXX: move that code at the end of the TB */ - switch(opc) { - case 0: - /* movzbl */ - tcg_out_modrm(s, 0xb6 | P_EXT | P_REXB_RM, TCG_REG_RSI, data_reg); - break; - case 1: - /* movzwl */ - tcg_out_modrm(s, 0xb7 | P_EXT, TCG_REG_RSI, data_reg); - break; - case 2: - tcg_out_mov(s, TCG_TYPE_I32, TCG_REG_RSI, data_reg); - break; - default: - case 3: - tcg_out_mov(s, TCG_TYPE_I64, TCG_REG_RSI, data_reg); - break; - } - tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_RDX, mem_index); - tcg_out_goto(s, 1, qemu_st_helpers[s_bits]); - - /* jmp label2 */ - tcg_out8(s, 0xeb); - label2_ptr = s->code_ptr; - s->code_ptr++; - - /* label1: */ - *label1_ptr = s->code_ptr - label1_ptr - 1; - - /* add x(r1), r0 */ - tcg_out_modrm_offset(s, 0x03 | P_REXW, r0, r1, offsetof(CPUTLBEntry, addend) - - offsetof(CPUTLBEntry, addr_write)); - offset = 0; -#else - if (GUEST_BASE == (int32_t)GUEST_BASE) { - r0 = addr_reg; - offset = GUEST_BASE; - } else { - offset = 0; - /* movq $GUEST_BASE, r0 */ - tcg_out_opc(s, (0xb8 + (r0 & 7)) | P_REXW, 0, r0, 0); - tcg_out32(s, GUEST_BASE); - tcg_out32(s, GUEST_BASE >> 32); - /* addq addr_reg, r0 */ - tcg_out_modrm(s, 0x01 | P_REXW, addr_reg, r0); - } -#endif - -#ifdef TARGET_WORDS_BIGENDIAN - bswap = 1; -#else - bswap = 0; -#endif - switch(opc) { - case 0: - /* movb */ - tcg_out_modrm_offset(s, 0x88 | P_REXB_R, data_reg, r0, offset); - break; - case 1: - if (bswap) { - tcg_out_mov(s, TCG_TYPE_I32, r1, data_reg); - tcg_out8(s, 0x66); /* rolw $8, %ecx */ - tcg_out_modrm(s, 0xc1, 0, r1); - tcg_out8(s, 8); - data_reg = r1; - } - /* movw */ - tcg_out8(s, 0x66); - tcg_out_modrm_offset(s, 0x89, data_reg, r0, offset); - break; - case 2: - if (bswap) { - tcg_out_mov(s, TCG_TYPE_I32, r1, data_reg); - /* bswap data_reg */ - tcg_out_opc(s, (0xc8 + r1) | P_EXT, 0, r1, 0); - data_reg = r1; - } - /* movl */ - tcg_out_modrm_offset(s, 0x89, data_reg, r0, offset); - break; - case 3: - if (bswap) { - tcg_out_mov(s, TCG_TYPE_I64, r1, data_reg); - /* bswap data_reg */ - tcg_out_opc(s, (0xc8 + r1) | P_EXT | P_REXW, 0, r1, 0); - data_reg = r1; - } - /* movq */ - tcg_out_modrm_offset(s, 0x89 | P_REXW, data_reg, r0, offset); - break; - default: - tcg_abort(); - } - -#if defined(CONFIG_SOFTMMU) - /* label2: */ - *label2_ptr = s->code_ptr - label2_ptr - 1; -#endif -} - -static inline void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args, - const int *const_args) -{ - int c; - - switch(opc) { - case INDEX_op_exit_tb: - tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_RAX, args[0]); - tcg_out_goto(s, 0, tb_ret_addr); - break; - case INDEX_op_goto_tb: - if (s->tb_jmp_offset) { - /* direct jump method */ - tcg_out8(s, 0xe9); /* jmp im */ - s->tb_jmp_offset[args[0]] = s->code_ptr - s->code_buf; - tcg_out32(s, 0); - } else { - /* indirect jump method */ - /* jmp Ev */ - tcg_out_modrm_offset(s, 0xff, 4, -1, - (tcg_target_long)(s->tb_next + - args[0])); - } - s->tb_next_offset[args[0]] = s->code_ptr - s->code_buf; - break; - case INDEX_op_call: - if (const_args[0]) { - tcg_out_goto(s, 1, (void *) args[0]); - } else { - tcg_out_modrm(s, 0xff, 2, args[0]); - } - break; - case INDEX_op_jmp: - if (const_args[0]) { - tcg_out_goto(s, 0, (void *) args[0]); - } else { - tcg_out_modrm(s, 0xff, 4, args[0]); - } - break; - case INDEX_op_br: - tcg_out_jxx(s, JCC_JMP, args[0]); - break; - case INDEX_op_movi_i32: - tcg_out_movi(s, TCG_TYPE_I32, args[0], (uint32_t)args[1]); - break; - case INDEX_op_movi_i64: - tcg_out_movi(s, TCG_TYPE_I64, args[0], args[1]); - break; - case INDEX_op_ld8u_i32: - case INDEX_op_ld8u_i64: - /* movzbl */ - tcg_out_modrm_offset(s, 0xb6 | P_EXT, args[0], args[1], args[2]); - break; - case INDEX_op_ld8s_i32: - /* movsbl */ - tcg_out_modrm_offset(s, 0xbe | P_EXT, args[0], args[1], args[2]); - break; - case INDEX_op_ld8s_i64: - /* movsbq */ - tcg_out_modrm_offset(s, 0xbe | P_EXT | P_REXW, args[0], args[1], args[2]); - break; - case INDEX_op_ld16u_i32: - case INDEX_op_ld16u_i64: - /* movzwl */ - tcg_out_modrm_offset(s, 0xb7 | P_EXT, args[0], args[1], args[2]); - break; - case INDEX_op_ld16s_i32: - /* movswl */ - tcg_out_modrm_offset(s, 0xbf | P_EXT, args[0], args[1], args[2]); - break; - case INDEX_op_ld16s_i64: - /* movswq */ - tcg_out_modrm_offset(s, 0xbf | P_EXT | P_REXW, args[0], args[1], args[2]); - break; - case INDEX_op_ld_i32: - case INDEX_op_ld32u_i64: - /* movl */ - tcg_out_modrm_offset(s, 0x8b, args[0], args[1], args[2]); - break; - case INDEX_op_ld32s_i64: - /* movslq */ - tcg_out_modrm_offset(s, 0x63 | P_REXW, args[0], args[1], args[2]); - break; - case INDEX_op_ld_i64: - /* movq */ - tcg_out_modrm_offset(s, 0x8b | P_REXW, args[0], args[1], args[2]); - break; - - case INDEX_op_st8_i32: - case INDEX_op_st8_i64: - /* movb */ - tcg_out_modrm_offset(s, 0x88 | P_REXB_R, args[0], args[1], args[2]); - break; - case INDEX_op_st16_i32: - case INDEX_op_st16_i64: - /* movw */ - tcg_out8(s, 0x66); - tcg_out_modrm_offset(s, 0x89, args[0], args[1], args[2]); - break; - case INDEX_op_st_i32: - case INDEX_op_st32_i64: - /* movl */ - tcg_out_modrm_offset(s, 0x89, args[0], args[1], args[2]); - break; - case INDEX_op_st_i64: - /* movq */ - tcg_out_modrm_offset(s, 0x89 | P_REXW, args[0], args[1], args[2]); - break; - - case INDEX_op_sub_i32: - c = ARITH_SUB; - goto gen_arith32; - case INDEX_op_and_i32: - c = ARITH_AND; - goto gen_arith32; - case INDEX_op_or_i32: - c = ARITH_OR; - goto gen_arith32; - case INDEX_op_xor_i32: - c = ARITH_XOR; - goto gen_arith32; - case INDEX_op_add_i32: - c = ARITH_ADD; - gen_arith32: - if (const_args[2]) { - tgen_arithi32(s, c, args[0], args[2]); - } else { - tcg_out_modrm(s, 0x01 | (c << 3), args[2], args[0]); - } - break; - - case INDEX_op_sub_i64: - c = ARITH_SUB; - goto gen_arith64; - case INDEX_op_and_i64: - c = ARITH_AND; - goto gen_arith64; - case INDEX_op_or_i64: - c = ARITH_OR; - goto gen_arith64; - case INDEX_op_xor_i64: - c = ARITH_XOR; - goto gen_arith64; - case INDEX_op_add_i64: - c = ARITH_ADD; - gen_arith64: - if (const_args[2]) { - tgen_arithi64(s, c, args[0], args[2]); - } else { - tcg_out_modrm(s, 0x01 | (c << 3) | P_REXW, args[2], args[0]); - } - break; - - case INDEX_op_mul_i32: - if (const_args[2]) { - int32_t val; - val = args[2]; - if (val == (int8_t)val) { - tcg_out_modrm(s, 0x6b, args[0], args[0]); - tcg_out8(s, val); - } else { - tcg_out_modrm(s, 0x69, args[0], args[0]); - tcg_out32(s, val); - } - } else { - tcg_out_modrm(s, 0xaf | P_EXT, args[0], args[2]); - } - break; - case INDEX_op_mul_i64: - if (const_args[2]) { - int32_t val; - val = args[2]; - if (val == (int8_t)val) { - tcg_out_modrm(s, 0x6b | P_REXW, args[0], args[0]); - tcg_out8(s, val); - } else { - tcg_out_modrm(s, 0x69 | P_REXW, args[0], args[0]); - tcg_out32(s, val); - } - } else { - tcg_out_modrm(s, 0xaf | P_EXT | P_REXW, args[0], args[2]); - } - break; - case INDEX_op_div2_i32: - tcg_out_modrm(s, 0xf7, 7, args[4]); - break; - case INDEX_op_divu2_i32: - tcg_out_modrm(s, 0xf7, 6, args[4]); - break; - case INDEX_op_div2_i64: - tcg_out_modrm(s, 0xf7 | P_REXW, 7, args[4]); - break; - case INDEX_op_divu2_i64: - tcg_out_modrm(s, 0xf7 | P_REXW, 6, args[4]); - break; - - case INDEX_op_shl_i32: - c = SHIFT_SHL; - gen_shift32: - if (const_args[2]) { - if (args[2] == 1) { - tcg_out_modrm(s, 0xd1, c, args[0]); - } else { - tcg_out_modrm(s, 0xc1, c, args[0]); - tcg_out8(s, args[2]); - } - } else { - tcg_out_modrm(s, 0xd3, c, args[0]); - } - break; - case INDEX_op_shr_i32: - c = SHIFT_SHR; - goto gen_shift32; - case INDEX_op_sar_i32: - c = SHIFT_SAR; - goto gen_shift32; - case INDEX_op_rotl_i32: - c = SHIFT_ROL; - goto gen_shift32; - case INDEX_op_rotr_i32: - c = SHIFT_ROR; - goto gen_shift32; - - case INDEX_op_shl_i64: - c = SHIFT_SHL; - gen_shift64: - if (const_args[2]) { - if (args[2] == 1) { - tcg_out_modrm(s, 0xd1 | P_REXW, c, args[0]); - } else { - tcg_out_modrm(s, 0xc1 | P_REXW, c, args[0]); - tcg_out8(s, args[2]); - } - } else { - tcg_out_modrm(s, 0xd3 | P_REXW, c, args[0]); - } - break; - case INDEX_op_shr_i64: - c = SHIFT_SHR; - goto gen_shift64; - case INDEX_op_sar_i64: - c = SHIFT_SAR; - goto gen_shift64; - case INDEX_op_rotl_i64: - c = SHIFT_ROL; - goto gen_shift64; - case INDEX_op_rotr_i64: - c = SHIFT_ROR; - goto gen_shift64; - - case INDEX_op_brcond_i32: - tcg_out_brcond(s, args[2], args[0], args[1], const_args[1], - args[3], 0); - break; - case INDEX_op_brcond_i64: - tcg_out_brcond(s, args[2], args[0], args[1], const_args[1], - args[3], P_REXW); - break; - - case INDEX_op_bswap16_i32: - case INDEX_op_bswap16_i64: - tcg_out8(s, 0x66); - tcg_out_modrm(s, 0xc1, SHIFT_ROL, args[0]); - tcg_out8(s, 8); - break; - case INDEX_op_bswap32_i32: - case INDEX_op_bswap32_i64: - tcg_out_opc(s, (0xc8 + (args[0] & 7)) | P_EXT, 0, args[0], 0); - break; - case INDEX_op_bswap64_i64: - tcg_out_opc(s, (0xc8 + (args[0] & 7)) | P_EXT | P_REXW, 0, args[0], 0); - break; - - case INDEX_op_neg_i32: - tcg_out_modrm(s, 0xf7, 3, args[0]); - break; - case INDEX_op_neg_i64: - tcg_out_modrm(s, 0xf7 | P_REXW, 3, args[0]); - break; - - case INDEX_op_not_i32: - tcg_out_modrm(s, 0xf7, 2, args[0]); - break; - case INDEX_op_not_i64: - tcg_out_modrm(s, 0xf7 | P_REXW, 2, args[0]); - break; - - case INDEX_op_ext8s_i32: - tcg_out_modrm(s, 0xbe | P_EXT | P_REXB_RM, args[0], args[1]); - break; - case INDEX_op_ext16s_i32: - tcg_out_modrm(s, 0xbf | P_EXT, args[0], args[1]); - break; - case INDEX_op_ext8s_i64: - tcg_out_modrm(s, 0xbe | P_EXT | P_REXW, args[0], args[1]); - break; - case INDEX_op_ext16s_i64: - tcg_out_modrm(s, 0xbf | P_EXT | P_REXW, args[0], args[1]); - break; - case INDEX_op_ext32s_i64: - tcg_out_modrm(s, 0x63 | P_REXW, args[0], args[1]); - break; - case INDEX_op_ext8u_i32: - case INDEX_op_ext8u_i64: - tcg_out_modrm(s, 0xb6 | P_EXT | P_REXB_RM, args[0], args[1]); - break; - case INDEX_op_ext16u_i32: - case INDEX_op_ext16u_i64: - tcg_out_modrm(s, 0xb7 | P_EXT, args[0], args[1]); - break; - case INDEX_op_ext32u_i64: - tcg_out_modrm(s, 0x8b, args[0], args[1]); - break; - - case INDEX_op_setcond_i32: - tcg_out_setcond(s, args[3], args[0], args[1], args[2], - const_args[2], 0); - break; - case INDEX_op_setcond_i64: - tcg_out_setcond(s, args[3], args[0], args[1], args[2], - const_args[2], P_REXW); - break; - - case INDEX_op_qemu_ld8u: - tcg_out_qemu_ld(s, args, 0); - break; - case INDEX_op_qemu_ld8s: - tcg_out_qemu_ld(s, args, 0 | 4); - break; - case INDEX_op_qemu_ld16u: - tcg_out_qemu_ld(s, args, 1); - break; - case INDEX_op_qemu_ld16s: - tcg_out_qemu_ld(s, args, 1 | 4); - break; - case INDEX_op_qemu_ld32: - case INDEX_op_qemu_ld32u: - tcg_out_qemu_ld(s, args, 2); - break; - case INDEX_op_qemu_ld32s: - tcg_out_qemu_ld(s, args, 2 | 4); - break; - case INDEX_op_qemu_ld64: - tcg_out_qemu_ld(s, args, 3); - break; - - case INDEX_op_qemu_st8: - tcg_out_qemu_st(s, args, 0); - break; - case INDEX_op_qemu_st16: - tcg_out_qemu_st(s, args, 1); - break; - case INDEX_op_qemu_st32: - tcg_out_qemu_st(s, args, 2); - break; - case INDEX_op_qemu_st64: - tcg_out_qemu_st(s, args, 3); - break; - - default: - tcg_abort(); - } -} - -static int tcg_target_callee_save_regs[] = { - TCG_REG_RBP, - TCG_REG_RBX, - TCG_REG_R12, - TCG_REG_R13, - /* TCG_REG_R14, */ /* currently used for the global env, so no - need to save */ - TCG_REG_R15, -}; - -static inline void tcg_out_push(TCGContext *s, int reg) -{ - tcg_out_opc(s, (0x50 + (reg & 7)), 0, reg, 0); -} - -static inline void tcg_out_pop(TCGContext *s, int reg) -{ - tcg_out_opc(s, (0x58 + (reg & 7)), 0, reg, 0); -} - -/* Generate global QEMU prologue and epilogue code */ -static void tcg_target_qemu_prologue(TCGContext *s) -{ - int i, frame_size, push_size, stack_addend; - - /* TB prologue */ - /* save all callee saved registers */ - for(i = 0; i < ARRAY_SIZE(tcg_target_callee_save_regs); i++) { - tcg_out_push(s, tcg_target_callee_save_regs[i]); - - } - /* reserve some stack space */ - push_size = 8 + ARRAY_SIZE(tcg_target_callee_save_regs) * 8; - frame_size = push_size + TCG_STATIC_CALL_ARGS_SIZE; - frame_size = (frame_size + TCG_TARGET_STACK_ALIGN - 1) & - ~(TCG_TARGET_STACK_ALIGN - 1); - stack_addend = frame_size - push_size; - tcg_out_addi(s, TCG_REG_RSP, -stack_addend); - - tcg_out_modrm(s, 0xff, 4, TCG_REG_RDI); /* jmp *%rdi */ - - /* TB epilogue */ - tb_ret_addr = s->code_ptr; - tcg_out_addi(s, TCG_REG_RSP, stack_addend); - for(i = ARRAY_SIZE(tcg_target_callee_save_regs) - 1; i >= 0; i--) { - tcg_out_pop(s, tcg_target_callee_save_regs[i]); - } - tcg_out8(s, 0xc3); /* ret */ -} - -static const TCGTargetOpDef x86_64_op_defs[] = { - { INDEX_op_exit_tb, { } }, - { INDEX_op_goto_tb, { } }, - { INDEX_op_call, { "ri" } }, /* XXX: might need a specific constant constraint */ - { INDEX_op_jmp, { "ri" } }, /* XXX: might need a specific constant constraint */ - { 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", "ri" } }, - { INDEX_op_mul_i32, { "r", "0", "ri" } }, - { INDEX_op_div2_i32, { "a", "d", "0", "1", "r" } }, - { INDEX_op_divu2_i32, { "a", "d", "0", "1", "r" } }, - { INDEX_op_sub_i32, { "r", "0", "ri" } }, - { INDEX_op_and_i32, { "r", "0", "ri" } }, - { INDEX_op_or_i32, { "r", "0", "ri" } }, - { INDEX_op_xor_i32, { "r", "0", "ri" } }, - - { INDEX_op_shl_i32, { "r", "0", "ci" } }, - { INDEX_op_shr_i32, { "r", "0", "ci" } }, - { INDEX_op_sar_i32, { "r", "0", "ci" } }, - { INDEX_op_rotl_i32, { "r", "0", "ci" } }, - { INDEX_op_rotr_i32, { "r", "0", "ci" } }, - - { INDEX_op_brcond_i32, { "r", "ri" } }, - - { 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", "re" } }, - { INDEX_op_mul_i64, { "r", "0", "re" } }, - { INDEX_op_div2_i64, { "a", "d", "0", "1", "r" } }, - { INDEX_op_divu2_i64, { "a", "d", "0", "1", "r" } }, - { INDEX_op_sub_i64, { "r", "0", "re" } }, - { INDEX_op_and_i64, { "r", "0", "reZ" } }, - { INDEX_op_or_i64, { "r", "0", "re" } }, - { INDEX_op_xor_i64, { "r", "0", "re" } }, - - { INDEX_op_shl_i64, { "r", "0", "ci" } }, - { INDEX_op_shr_i64, { "r", "0", "ci" } }, - { INDEX_op_sar_i64, { "r", "0", "ci" } }, - { INDEX_op_rotl_i64, { "r", "0", "ci" } }, - { INDEX_op_rotr_i64, { "r", "0", "ci" } }, - - { INDEX_op_brcond_i64, { "r", "re" } }, - - { INDEX_op_bswap16_i32, { "r", "0" } }, - { INDEX_op_bswap16_i64, { "r", "0" } }, - { INDEX_op_bswap32_i32, { "r", "0" } }, - { INDEX_op_bswap32_i64, { "r", "0" } }, - { INDEX_op_bswap64_i64, { "r", "0" } }, - - { INDEX_op_neg_i32, { "r", "0" } }, - { INDEX_op_neg_i64, { "r", "0" } }, - - { INDEX_op_not_i32, { "r", "0" } }, - { INDEX_op_not_i64, { "r", "0" } }, - - { INDEX_op_ext8s_i32, { "r", "r"} }, - { INDEX_op_ext16s_i32, { "r", "r"} }, - { INDEX_op_ext8s_i64, { "r", "r"} }, - { INDEX_op_ext16s_i64, { "r", "r"} }, - { INDEX_op_ext32s_i64, { "r", "r"} }, - { INDEX_op_ext8u_i32, { "r", "r"} }, - { INDEX_op_ext16u_i32, { "r", "r"} }, - { INDEX_op_ext8u_i64, { "r", "r"} }, - { INDEX_op_ext16u_i64, { "r", "r"} }, - { INDEX_op_ext32u_i64, { "r", "r"} }, - - { INDEX_op_setcond_i32, { "r", "r", "ri" } }, - { INDEX_op_setcond_i64, { "r", "r", "re" } }, - - { 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_ld32, { "r", "L" } }, - { INDEX_op_qemu_ld32u, { "r", "L" } }, - { INDEX_op_qemu_ld32s, { "r", "L" } }, - { INDEX_op_qemu_ld64, { "r", "L" } }, - - { INDEX_op_qemu_st8, { "L", "L" } }, - { INDEX_op_qemu_st16, { "L", "L" } }, - { INDEX_op_qemu_st32, { "L", "L" } }, - { INDEX_op_qemu_st64, { "L", "L" } }, - - { -1 }, -}; - -static void tcg_target_init(TCGContext *s) -{ -#if !defined(CONFIG_USER_ONLY) - /* fail safe */ - if ((1 << CPU_TLB_ENTRY_BITS) != sizeof(CPUTLBEntry)) - tcg_abort(); -#endif - - tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I32], 0, 0xffff); - tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I64], 0, 0xffff); - tcg_regset_set32(tcg_target_call_clobber_regs, 0, - (1 << TCG_REG_RDI) | - (1 << TCG_REG_RSI) | - (1 << TCG_REG_RDX) | - (1 << TCG_REG_RCX) | - (1 << TCG_REG_R8) | - (1 << TCG_REG_R9) | - (1 << TCG_REG_RAX) | - (1 << TCG_REG_R10) | - (1 << TCG_REG_R11)); - - tcg_regset_clear(s->reserved_regs); - tcg_regset_set_reg(s->reserved_regs, TCG_REG_RSP); - - tcg_add_target_add_op_defs(x86_64_op_defs); -} |
