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Diffstat (limited to 'src/tci.c')
| -rw-r--r-- | src/tci.c | 1241 |
1 files changed, 1241 insertions, 0 deletions
diff --git a/src/tci.c b/src/tci.c new file mode 100644 index 0000000..b5ed7b1 --- /dev/null +++ b/src/tci.c @@ -0,0 +1,1241 @@ +/* + * Tiny Code Interpreter for QEMU + * + * Copyright (c) 2009, 2011 Stefan Weil + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "config.h" + +/* Defining NDEBUG disables assertions (which makes the code faster). */ +#if !defined(CONFIG_DEBUG_TCG) && !defined(NDEBUG) +# define NDEBUG +#endif + +#include "qemu-common.h" +#include "exec/exec-all.h" /* MAX_OPC_PARAM_IARGS */ +#include "exec/cpu_ldst.h" +#include "tcg-op.h" + +/* Marker for missing code. */ +#define TODO() \ + do { \ + fprintf(stderr, "TODO %s:%u: %s()\n", \ + __FILE__, __LINE__, __func__); \ + tcg_abort(); \ + } while (0) + +#if MAX_OPC_PARAM_IARGS != 5 +# error Fix needed, number of supported input arguments changed! +#endif +#if TCG_TARGET_REG_BITS == 32 +typedef uint64_t (*helper_function)(tcg_target_ulong, tcg_target_ulong, + tcg_target_ulong, tcg_target_ulong, + tcg_target_ulong, tcg_target_ulong, + tcg_target_ulong, tcg_target_ulong, + tcg_target_ulong, tcg_target_ulong); +#else +typedef uint64_t (*helper_function)(tcg_target_ulong, tcg_target_ulong, + tcg_target_ulong, tcg_target_ulong, + tcg_target_ulong); +#endif + +static tcg_target_ulong tci_reg[TCG_TARGET_NB_REGS]; + +static tcg_target_ulong tci_read_reg(TCGReg index) +{ + assert(index < ARRAY_SIZE(tci_reg)); + return tci_reg[index]; +} + +#if TCG_TARGET_HAS_ext8s_i32 || TCG_TARGET_HAS_ext8s_i64 +static int8_t tci_read_reg8s(TCGReg index) +{ + return (int8_t)tci_read_reg(index); +} +#endif + +#if TCG_TARGET_HAS_ext16s_i32 || TCG_TARGET_HAS_ext16s_i64 +static int16_t tci_read_reg16s(TCGReg index) +{ + return (int16_t)tci_read_reg(index); +} +#endif + +#if TCG_TARGET_REG_BITS == 64 +static int32_t tci_read_reg32s(TCGReg index) +{ + return (int32_t)tci_read_reg(index); +} +#endif + +static uint8_t tci_read_reg8(TCGReg index) +{ + return (uint8_t)tci_read_reg(index); +} + +static uint16_t tci_read_reg16(TCGReg index) +{ + return (uint16_t)tci_read_reg(index); +} + +static uint32_t tci_read_reg32(TCGReg index) +{ + return (uint32_t)tci_read_reg(index); +} + +#if TCG_TARGET_REG_BITS == 64 +static uint64_t tci_read_reg64(TCGReg index) +{ + return tci_read_reg(index); +} +#endif + +static void tci_write_reg(TCGReg index, tcg_target_ulong value) +{ + assert(index < ARRAY_SIZE(tci_reg)); + assert(index != TCG_AREG0); + assert(index != TCG_REG_CALL_STACK); + tci_reg[index] = value; +} + +#if TCG_TARGET_REG_BITS == 64 +static void tci_write_reg32s(TCGReg index, int32_t value) +{ + tci_write_reg(index, value); +} +#endif + +static void tci_write_reg8(TCGReg index, uint8_t value) +{ + tci_write_reg(index, value); +} + +static void tci_write_reg32(TCGReg index, uint32_t value) +{ + tci_write_reg(index, value); +} + +#if TCG_TARGET_REG_BITS == 32 +static void tci_write_reg64(uint32_t high_index, uint32_t low_index, + uint64_t value) +{ + tci_write_reg(low_index, value); + tci_write_reg(high_index, value >> 32); +} +#elif TCG_TARGET_REG_BITS == 64 +static void tci_write_reg64(TCGReg index, uint64_t value) +{ + tci_write_reg(index, value); +} +#endif + +#if TCG_TARGET_REG_BITS == 32 +/* Create a 64 bit value from two 32 bit values. */ +static uint64_t tci_uint64(uint32_t high, uint32_t low) +{ + return ((uint64_t)high << 32) + low; +} +#endif + +/* Read constant (native size) from bytecode. */ +static tcg_target_ulong tci_read_i(uint8_t **tb_ptr) +{ + tcg_target_ulong value = *(tcg_target_ulong *)(*tb_ptr); + *tb_ptr += sizeof(value); + return value; +} + +/* Read unsigned constant (32 bit) from bytecode. */ +static uint32_t tci_read_i32(uint8_t **tb_ptr) +{ + uint32_t value = *(uint32_t *)(*tb_ptr); + *tb_ptr += sizeof(value); + return value; +} + +/* Read signed constant (32 bit) from bytecode. */ +static int32_t tci_read_s32(uint8_t **tb_ptr) +{ + int32_t value = *(int32_t *)(*tb_ptr); + *tb_ptr += sizeof(value); + return value; +} + +#if TCG_TARGET_REG_BITS == 64 +/* Read constant (64 bit) from bytecode. */ +static uint64_t tci_read_i64(uint8_t **tb_ptr) +{ + uint64_t value = *(uint64_t *)(*tb_ptr); + *tb_ptr += sizeof(value); + return value; +} +#endif + +/* Read indexed register (native size) from bytecode. */ +static tcg_target_ulong tci_read_r(uint8_t **tb_ptr) +{ + tcg_target_ulong value = tci_read_reg(**tb_ptr); + *tb_ptr += 1; + return value; +} + +/* Read indexed register (8 bit) from bytecode. */ +static uint8_t tci_read_r8(uint8_t **tb_ptr) +{ + uint8_t value = tci_read_reg8(**tb_ptr); + *tb_ptr += 1; + return value; +} + +#if TCG_TARGET_HAS_ext8s_i32 || TCG_TARGET_HAS_ext8s_i64 +/* Read indexed register (8 bit signed) from bytecode. */ +static int8_t tci_read_r8s(uint8_t **tb_ptr) +{ + int8_t value = tci_read_reg8s(**tb_ptr); + *tb_ptr += 1; + return value; +} +#endif + +/* Read indexed register (16 bit) from bytecode. */ +static uint16_t tci_read_r16(uint8_t **tb_ptr) +{ + uint16_t value = tci_read_reg16(**tb_ptr); + *tb_ptr += 1; + return value; +} + +#if TCG_TARGET_HAS_ext16s_i32 || TCG_TARGET_HAS_ext16s_i64 +/* Read indexed register (16 bit signed) from bytecode. */ +static int16_t tci_read_r16s(uint8_t **tb_ptr) +{ + int16_t value = tci_read_reg16s(**tb_ptr); + *tb_ptr += 1; + return value; +} +#endif + +/* Read indexed register (32 bit) from bytecode. */ +static uint32_t tci_read_r32(uint8_t **tb_ptr) +{ + uint32_t value = tci_read_reg32(**tb_ptr); + *tb_ptr += 1; + return value; +} + +#if TCG_TARGET_REG_BITS == 32 +/* Read two indexed registers (2 * 32 bit) from bytecode. */ +static uint64_t tci_read_r64(uint8_t **tb_ptr) +{ + uint32_t low = tci_read_r32(tb_ptr); + return tci_uint64(tci_read_r32(tb_ptr), low); +} +#elif TCG_TARGET_REG_BITS == 64 +/* Read indexed register (32 bit signed) from bytecode. */ +static int32_t tci_read_r32s(uint8_t **tb_ptr) +{ + int32_t value = tci_read_reg32s(**tb_ptr); + *tb_ptr += 1; + return value; +} + +/* Read indexed register (64 bit) from bytecode. */ +static uint64_t tci_read_r64(uint8_t **tb_ptr) +{ + uint64_t value = tci_read_reg64(**tb_ptr); + *tb_ptr += 1; + return value; +} +#endif + +/* Read indexed register(s) with target address from bytecode. */ +static target_ulong tci_read_ulong(uint8_t **tb_ptr) +{ + target_ulong taddr = tci_read_r(tb_ptr); +#if TARGET_LONG_BITS > TCG_TARGET_REG_BITS + taddr += (uint64_t)tci_read_r(tb_ptr) << 32; +#endif + return taddr; +} + +/* Read indexed register or constant (native size) from bytecode. */ +static tcg_target_ulong tci_read_ri(uint8_t **tb_ptr) +{ + tcg_target_ulong value; + TCGReg r = **tb_ptr; + *tb_ptr += 1; + if (r == TCG_CONST) { + value = tci_read_i(tb_ptr); + } else { + value = tci_read_reg(r); + } + return value; +} + +/* Read indexed register or constant (32 bit) from bytecode. */ +static uint32_t tci_read_ri32(uint8_t **tb_ptr) +{ + uint32_t value; + TCGReg r = **tb_ptr; + *tb_ptr += 1; + if (r == TCG_CONST) { + value = tci_read_i32(tb_ptr); + } else { + value = tci_read_reg32(r); + } + return value; +} + +#if TCG_TARGET_REG_BITS == 32 +/* Read two indexed registers or constants (2 * 32 bit) from bytecode. */ +static uint64_t tci_read_ri64(uint8_t **tb_ptr) +{ + uint32_t low = tci_read_ri32(tb_ptr); + return tci_uint64(tci_read_ri32(tb_ptr), low); +} +#elif TCG_TARGET_REG_BITS == 64 +/* Read indexed register or constant (64 bit) from bytecode. */ +static uint64_t tci_read_ri64(uint8_t **tb_ptr) +{ + uint64_t value; + TCGReg r = **tb_ptr; + *tb_ptr += 1; + if (r == TCG_CONST) { + value = tci_read_i64(tb_ptr); + } else { + value = tci_read_reg64(r); + } + return value; +} +#endif + +static tcg_target_ulong tci_read_label(uint8_t **tb_ptr) +{ + tcg_target_ulong label = tci_read_i(tb_ptr); + assert(label != 0); + return label; +} + +static bool tci_compare32(uint32_t u0, uint32_t u1, TCGCond condition) +{ + bool result = false; + int32_t i0 = u0; + int32_t i1 = u1; + switch (condition) { + case TCG_COND_EQ: + result = (u0 == u1); + break; + case TCG_COND_NE: + result = (u0 != u1); + break; + case TCG_COND_LT: + result = (i0 < i1); + break; + case TCG_COND_GE: + result = (i0 >= i1); + break; + case TCG_COND_LE: + result = (i0 <= i1); + break; + case TCG_COND_GT: + result = (i0 > i1); + break; + case TCG_COND_LTU: + result = (u0 < u1); + break; + case TCG_COND_GEU: + result = (u0 >= u1); + break; + case TCG_COND_LEU: + result = (u0 <= u1); + break; + case TCG_COND_GTU: + result = (u0 > u1); + break; + default: + TODO(); + } + return result; +} + +static bool tci_compare64(uint64_t u0, uint64_t u1, TCGCond condition) +{ + bool result = false; + int64_t i0 = u0; + int64_t i1 = u1; + switch (condition) { + case TCG_COND_EQ: + result = (u0 == u1); + break; + case TCG_COND_NE: + result = (u0 != u1); + break; + case TCG_COND_LT: + result = (i0 < i1); + break; + case TCG_COND_GE: + result = (i0 >= i1); + break; + case TCG_COND_LE: + result = (i0 <= i1); + break; + case TCG_COND_GT: + result = (i0 > i1); + break; + case TCG_COND_LTU: + result = (u0 < u1); + break; + case TCG_COND_GEU: + result = (u0 >= u1); + break; + case TCG_COND_LEU: + result = (u0 <= u1); + break; + case TCG_COND_GTU: + result = (u0 > u1); + break; + default: + TODO(); + } + return result; +} + +#ifdef CONFIG_SOFTMMU +# define qemu_ld_ub \ + helper_ret_ldub_mmu(env, taddr, oi, (uintptr_t)tb_ptr) +# define qemu_ld_leuw \ + helper_le_lduw_mmu(env, taddr, oi, (uintptr_t)tb_ptr) +# define qemu_ld_leul \ + helper_le_ldul_mmu(env, taddr, oi, (uintptr_t)tb_ptr) +# define qemu_ld_leq \ + helper_le_ldq_mmu(env, taddr, oi, (uintptr_t)tb_ptr) +# define qemu_ld_beuw \ + helper_be_lduw_mmu(env, taddr, oi, (uintptr_t)tb_ptr) +# define qemu_ld_beul \ + helper_be_ldul_mmu(env, taddr, oi, (uintptr_t)tb_ptr) +# define qemu_ld_beq \ + helper_be_ldq_mmu(env, taddr, oi, (uintptr_t)tb_ptr) +# define qemu_st_b(X) \ + helper_ret_stb_mmu(env, taddr, X, oi, (uintptr_t)tb_ptr) +# define qemu_st_lew(X) \ + helper_le_stw_mmu(env, taddr, X, oi, (uintptr_t)tb_ptr) +# define qemu_st_lel(X) \ + helper_le_stl_mmu(env, taddr, X, oi, (uintptr_t)tb_ptr) +# define qemu_st_leq(X) \ + helper_le_stq_mmu(env, taddr, X, oi, (uintptr_t)tb_ptr) +# define qemu_st_bew(X) \ + helper_be_stw_mmu(env, taddr, X, oi, (uintptr_t)tb_ptr) +# define qemu_st_bel(X) \ + helper_be_stl_mmu(env, taddr, X, oi, (uintptr_t)tb_ptr) +# define qemu_st_beq(X) \ + helper_be_stq_mmu(env, taddr, X, oi, (uintptr_t)tb_ptr) +#else +# define qemu_ld_ub ldub_p(g2h(taddr)) +# define qemu_ld_leuw lduw_le_p(g2h(taddr)) +# define qemu_ld_leul (uint32_t)ldl_le_p(g2h(taddr)) +# define qemu_ld_leq ldq_le_p(g2h(taddr)) +# define qemu_ld_beuw lduw_be_p(g2h(taddr)) +# define qemu_ld_beul (uint32_t)ldl_be_p(g2h(taddr)) +# define qemu_ld_beq ldq_be_p(g2h(taddr)) +# define qemu_st_b(X) stb_p(g2h(taddr), X) +# define qemu_st_lew(X) stw_le_p(g2h(taddr), X) +# define qemu_st_lel(X) stl_le_p(g2h(taddr), X) +# define qemu_st_leq(X) stq_le_p(g2h(taddr), X) +# define qemu_st_bew(X) stw_be_p(g2h(taddr), X) +# define qemu_st_bel(X) stl_be_p(g2h(taddr), X) +# define qemu_st_beq(X) stq_be_p(g2h(taddr), X) +#endif + +/* Interpret pseudo code in tb. */ +uintptr_t tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr) +{ + long tcg_temps[CPU_TEMP_BUF_NLONGS]; + uintptr_t sp_value = (uintptr_t)(tcg_temps + CPU_TEMP_BUF_NLONGS); + uintptr_t next_tb = 0; + + tci_reg[TCG_AREG0] = (tcg_target_ulong)env; + tci_reg[TCG_REG_CALL_STACK] = sp_value; + assert(tb_ptr); + + for (;;) { + TCGOpcode opc = tb_ptr[0]; +#if !defined(NDEBUG) + uint8_t op_size = tb_ptr[1]; + uint8_t *old_code_ptr = tb_ptr; +#endif + tcg_target_ulong t0; + tcg_target_ulong t1; + tcg_target_ulong t2; + tcg_target_ulong label; + TCGCond condition; + target_ulong taddr; + uint8_t tmp8; + uint16_t tmp16; + uint32_t tmp32; + uint64_t tmp64; +#if TCG_TARGET_REG_BITS == 32 + uint64_t v64; +#endif + TCGMemOpIdx oi; + +#if defined(GETPC) + tci_tb_ptr = (uintptr_t)tb_ptr; +#endif + + /* Skip opcode and size entry. */ + tb_ptr += 2; + + switch (opc) { + case INDEX_op_call: + t0 = tci_read_ri(&tb_ptr); +#if TCG_TARGET_REG_BITS == 32 + tmp64 = ((helper_function)t0)(tci_read_reg(TCG_REG_R0), + tci_read_reg(TCG_REG_R1), + tci_read_reg(TCG_REG_R2), + tci_read_reg(TCG_REG_R3), + tci_read_reg(TCG_REG_R5), + tci_read_reg(TCG_REG_R6), + tci_read_reg(TCG_REG_R7), + tci_read_reg(TCG_REG_R8), + tci_read_reg(TCG_REG_R9), + tci_read_reg(TCG_REG_R10)); + tci_write_reg(TCG_REG_R0, tmp64); + tci_write_reg(TCG_REG_R1, tmp64 >> 32); +#else + tmp64 = ((helper_function)t0)(tci_read_reg(TCG_REG_R0), + tci_read_reg(TCG_REG_R1), + tci_read_reg(TCG_REG_R2), + tci_read_reg(TCG_REG_R3), + tci_read_reg(TCG_REG_R5)); + tci_write_reg(TCG_REG_R0, tmp64); +#endif + break; + case INDEX_op_br: + label = tci_read_label(&tb_ptr); + assert(tb_ptr == old_code_ptr + op_size); + tb_ptr = (uint8_t *)label; + continue; + case INDEX_op_setcond_i32: + t0 = *tb_ptr++; + t1 = tci_read_r32(&tb_ptr); + t2 = tci_read_ri32(&tb_ptr); + condition = *tb_ptr++; + tci_write_reg32(t0, tci_compare32(t1, t2, condition)); + break; +#if TCG_TARGET_REG_BITS == 32 + case INDEX_op_setcond2_i32: + t0 = *tb_ptr++; + tmp64 = tci_read_r64(&tb_ptr); + v64 = tci_read_ri64(&tb_ptr); + condition = *tb_ptr++; + tci_write_reg32(t0, tci_compare64(tmp64, v64, condition)); + break; +#elif TCG_TARGET_REG_BITS == 64 + case INDEX_op_setcond_i64: + t0 = *tb_ptr++; + t1 = tci_read_r64(&tb_ptr); + t2 = tci_read_ri64(&tb_ptr); + condition = *tb_ptr++; + tci_write_reg64(t0, tci_compare64(t1, t2, condition)); + break; +#endif + case INDEX_op_mov_i32: + t0 = *tb_ptr++; + t1 = tci_read_r32(&tb_ptr); + tci_write_reg32(t0, t1); + break; + case INDEX_op_movi_i32: + t0 = *tb_ptr++; + t1 = tci_read_i32(&tb_ptr); + tci_write_reg32(t0, t1); + break; + + /* Load/store operations (32 bit). */ + + case INDEX_op_ld8u_i32: + t0 = *tb_ptr++; + t1 = tci_read_r(&tb_ptr); + t2 = tci_read_s32(&tb_ptr); + tci_write_reg8(t0, *(uint8_t *)(t1 + t2)); + break; + case INDEX_op_ld8s_i32: + case INDEX_op_ld16u_i32: + TODO(); + break; + case INDEX_op_ld16s_i32: + TODO(); + break; + case INDEX_op_ld_i32: + t0 = *tb_ptr++; + t1 = tci_read_r(&tb_ptr); + t2 = tci_read_s32(&tb_ptr); + tci_write_reg32(t0, *(uint32_t *)(t1 + t2)); + break; + case INDEX_op_st8_i32: + t0 = tci_read_r8(&tb_ptr); + t1 = tci_read_r(&tb_ptr); + t2 = tci_read_s32(&tb_ptr); + *(uint8_t *)(t1 + t2) = t0; + break; + case INDEX_op_st16_i32: + t0 = tci_read_r16(&tb_ptr); + t1 = tci_read_r(&tb_ptr); + t2 = tci_read_s32(&tb_ptr); + *(uint16_t *)(t1 + t2) = t0; + break; + case INDEX_op_st_i32: + t0 = tci_read_r32(&tb_ptr); + t1 = tci_read_r(&tb_ptr); + t2 = tci_read_s32(&tb_ptr); + assert(t1 != sp_value || (int32_t)t2 < 0); + *(uint32_t *)(t1 + t2) = t0; + break; + + /* Arithmetic operations (32 bit). */ + + case INDEX_op_add_i32: + t0 = *tb_ptr++; + t1 = tci_read_ri32(&tb_ptr); + t2 = tci_read_ri32(&tb_ptr); + tci_write_reg32(t0, t1 + t2); + break; + case INDEX_op_sub_i32: + t0 = *tb_ptr++; + t1 = tci_read_ri32(&tb_ptr); + t2 = tci_read_ri32(&tb_ptr); + tci_write_reg32(t0, t1 - t2); + break; + case INDEX_op_mul_i32: + t0 = *tb_ptr++; + t1 = tci_read_ri32(&tb_ptr); + t2 = tci_read_ri32(&tb_ptr); + tci_write_reg32(t0, t1 * t2); + break; +#if TCG_TARGET_HAS_div_i32 + case INDEX_op_div_i32: + t0 = *tb_ptr++; + t1 = tci_read_ri32(&tb_ptr); + t2 = tci_read_ri32(&tb_ptr); + tci_write_reg32(t0, (int32_t)t1 / (int32_t)t2); + break; + case INDEX_op_divu_i32: + t0 = *tb_ptr++; + t1 = tci_read_ri32(&tb_ptr); + t2 = tci_read_ri32(&tb_ptr); + tci_write_reg32(t0, t1 / t2); + break; + case INDEX_op_rem_i32: + t0 = *tb_ptr++; + t1 = tci_read_ri32(&tb_ptr); + t2 = tci_read_ri32(&tb_ptr); + tci_write_reg32(t0, (int32_t)t1 % (int32_t)t2); + break; + case INDEX_op_remu_i32: + t0 = *tb_ptr++; + t1 = tci_read_ri32(&tb_ptr); + t2 = tci_read_ri32(&tb_ptr); + tci_write_reg32(t0, t1 % t2); + break; +#elif TCG_TARGET_HAS_div2_i32 + case INDEX_op_div2_i32: + case INDEX_op_divu2_i32: + TODO(); + break; +#endif + case INDEX_op_and_i32: + t0 = *tb_ptr++; + t1 = tci_read_ri32(&tb_ptr); + t2 = tci_read_ri32(&tb_ptr); + tci_write_reg32(t0, t1 & t2); + break; + case INDEX_op_or_i32: + t0 = *tb_ptr++; + t1 = tci_read_ri32(&tb_ptr); + t2 = tci_read_ri32(&tb_ptr); + tci_write_reg32(t0, t1 | t2); + break; + case INDEX_op_xor_i32: + t0 = *tb_ptr++; + t1 = tci_read_ri32(&tb_ptr); + t2 = tci_read_ri32(&tb_ptr); + tci_write_reg32(t0, t1 ^ t2); + break; + + /* Shift/rotate operations (32 bit). */ + + case INDEX_op_shl_i32: + t0 = *tb_ptr++; + t1 = tci_read_ri32(&tb_ptr); + t2 = tci_read_ri32(&tb_ptr); + tci_write_reg32(t0, t1 << (t2 & 31)); + break; + case INDEX_op_shr_i32: + t0 = *tb_ptr++; + t1 = tci_read_ri32(&tb_ptr); + t2 = tci_read_ri32(&tb_ptr); + tci_write_reg32(t0, t1 >> (t2 & 31)); + break; + case INDEX_op_sar_i32: + t0 = *tb_ptr++; + t1 = tci_read_ri32(&tb_ptr); + t2 = tci_read_ri32(&tb_ptr); + tci_write_reg32(t0, ((int32_t)t1 >> (t2 & 31))); + break; +#if TCG_TARGET_HAS_rot_i32 + case INDEX_op_rotl_i32: + t0 = *tb_ptr++; + t1 = tci_read_ri32(&tb_ptr); + t2 = tci_read_ri32(&tb_ptr); + tci_write_reg32(t0, rol32(t1, t2 & 31)); + break; + case INDEX_op_rotr_i32: + t0 = *tb_ptr++; + t1 = tci_read_ri32(&tb_ptr); + t2 = tci_read_ri32(&tb_ptr); + tci_write_reg32(t0, ror32(t1, t2 & 31)); + break; +#endif +#if TCG_TARGET_HAS_deposit_i32 + case INDEX_op_deposit_i32: + t0 = *tb_ptr++; + t1 = tci_read_r32(&tb_ptr); + t2 = tci_read_r32(&tb_ptr); + tmp16 = *tb_ptr++; + tmp8 = *tb_ptr++; + tmp32 = (((1 << tmp8) - 1) << tmp16); + tci_write_reg32(t0, (t1 & ~tmp32) | ((t2 << tmp16) & tmp32)); + break; +#endif + case INDEX_op_brcond_i32: + t0 = tci_read_r32(&tb_ptr); + t1 = tci_read_ri32(&tb_ptr); + condition = *tb_ptr++; + label = tci_read_label(&tb_ptr); + if (tci_compare32(t0, t1, condition)) { + assert(tb_ptr == old_code_ptr + op_size); + tb_ptr = (uint8_t *)label; + continue; + } + break; +#if TCG_TARGET_REG_BITS == 32 + case INDEX_op_add2_i32: + t0 = *tb_ptr++; + t1 = *tb_ptr++; + tmp64 = tci_read_r64(&tb_ptr); + tmp64 += tci_read_r64(&tb_ptr); + tci_write_reg64(t1, t0, tmp64); + break; + case INDEX_op_sub2_i32: + t0 = *tb_ptr++; + t1 = *tb_ptr++; + tmp64 = tci_read_r64(&tb_ptr); + tmp64 -= tci_read_r64(&tb_ptr); + tci_write_reg64(t1, t0, tmp64); + break; + case INDEX_op_brcond2_i32: + tmp64 = tci_read_r64(&tb_ptr); + v64 = tci_read_ri64(&tb_ptr); + condition = *tb_ptr++; + label = tci_read_label(&tb_ptr); + if (tci_compare64(tmp64, v64, condition)) { + assert(tb_ptr == old_code_ptr + op_size); + tb_ptr = (uint8_t *)label; + continue; + } + break; + case INDEX_op_mulu2_i32: + t0 = *tb_ptr++; + t1 = *tb_ptr++; + t2 = tci_read_r32(&tb_ptr); + tmp64 = tci_read_r32(&tb_ptr); + tci_write_reg64(t1, t0, t2 * tmp64); + break; +#endif /* TCG_TARGET_REG_BITS == 32 */ +#if TCG_TARGET_HAS_ext8s_i32 + case INDEX_op_ext8s_i32: + t0 = *tb_ptr++; + t1 = tci_read_r8s(&tb_ptr); + tci_write_reg32(t0, t1); + break; +#endif +#if TCG_TARGET_HAS_ext16s_i32 + case INDEX_op_ext16s_i32: + t0 = *tb_ptr++; + t1 = tci_read_r16s(&tb_ptr); + tci_write_reg32(t0, t1); + break; +#endif +#if TCG_TARGET_HAS_ext8u_i32 + case INDEX_op_ext8u_i32: + t0 = *tb_ptr++; + t1 = tci_read_r8(&tb_ptr); + tci_write_reg32(t0, t1); + break; +#endif +#if TCG_TARGET_HAS_ext16u_i32 + case INDEX_op_ext16u_i32: + t0 = *tb_ptr++; + t1 = tci_read_r16(&tb_ptr); + tci_write_reg32(t0, t1); + break; +#endif +#if TCG_TARGET_HAS_bswap16_i32 + case INDEX_op_bswap16_i32: + t0 = *tb_ptr++; + t1 = tci_read_r16(&tb_ptr); + tci_write_reg32(t0, bswap16(t1)); + break; +#endif +#if TCG_TARGET_HAS_bswap32_i32 + case INDEX_op_bswap32_i32: + t0 = *tb_ptr++; + t1 = tci_read_r32(&tb_ptr); + tci_write_reg32(t0, bswap32(t1)); + break; +#endif +#if TCG_TARGET_HAS_not_i32 + case INDEX_op_not_i32: + t0 = *tb_ptr++; + t1 = tci_read_r32(&tb_ptr); + tci_write_reg32(t0, ~t1); + break; +#endif +#if TCG_TARGET_HAS_neg_i32 + case INDEX_op_neg_i32: + t0 = *tb_ptr++; + t1 = tci_read_r32(&tb_ptr); + tci_write_reg32(t0, -t1); + break; +#endif +#if TCG_TARGET_REG_BITS == 64 + case INDEX_op_mov_i64: + t0 = *tb_ptr++; + t1 = tci_read_r64(&tb_ptr); + tci_write_reg64(t0, t1); + break; + case INDEX_op_movi_i64: + t0 = *tb_ptr++; + t1 = tci_read_i64(&tb_ptr); + tci_write_reg64(t0, t1); + break; + + /* Load/store operations (64 bit). */ + + case INDEX_op_ld8u_i64: + t0 = *tb_ptr++; + t1 = tci_read_r(&tb_ptr); + t2 = tci_read_s32(&tb_ptr); + tci_write_reg8(t0, *(uint8_t *)(t1 + t2)); + break; + case INDEX_op_ld8s_i64: + case INDEX_op_ld16u_i64: + case INDEX_op_ld16s_i64: + TODO(); + break; + case INDEX_op_ld32u_i64: + t0 = *tb_ptr++; + t1 = tci_read_r(&tb_ptr); + t2 = tci_read_s32(&tb_ptr); + tci_write_reg32(t0, *(uint32_t *)(t1 + t2)); + break; + case INDEX_op_ld32s_i64: + t0 = *tb_ptr++; + t1 = tci_read_r(&tb_ptr); + t2 = tci_read_s32(&tb_ptr); + tci_write_reg32s(t0, *(int32_t *)(t1 + t2)); + break; + case INDEX_op_ld_i64: + t0 = *tb_ptr++; + t1 = tci_read_r(&tb_ptr); + t2 = tci_read_s32(&tb_ptr); + tci_write_reg64(t0, *(uint64_t *)(t1 + t2)); + break; + case INDEX_op_st8_i64: + t0 = tci_read_r8(&tb_ptr); + t1 = tci_read_r(&tb_ptr); + t2 = tci_read_s32(&tb_ptr); + *(uint8_t *)(t1 + t2) = t0; + break; + case INDEX_op_st16_i64: + t0 = tci_read_r16(&tb_ptr); + t1 = tci_read_r(&tb_ptr); + t2 = tci_read_s32(&tb_ptr); + *(uint16_t *)(t1 + t2) = t0; + break; + case INDEX_op_st32_i64: + t0 = tci_read_r32(&tb_ptr); + t1 = tci_read_r(&tb_ptr); + t2 = tci_read_s32(&tb_ptr); + *(uint32_t *)(t1 + t2) = t0; + break; + case INDEX_op_st_i64: + t0 = tci_read_r64(&tb_ptr); + t1 = tci_read_r(&tb_ptr); + t2 = tci_read_s32(&tb_ptr); + assert(t1 != sp_value || (int32_t)t2 < 0); + *(uint64_t *)(t1 + t2) = t0; + break; + + /* Arithmetic operations (64 bit). */ + + case INDEX_op_add_i64: + t0 = *tb_ptr++; + t1 = tci_read_ri64(&tb_ptr); + t2 = tci_read_ri64(&tb_ptr); + tci_write_reg64(t0, t1 + t2); + break; + case INDEX_op_sub_i64: + t0 = *tb_ptr++; + t1 = tci_read_ri64(&tb_ptr); + t2 = tci_read_ri64(&tb_ptr); + tci_write_reg64(t0, t1 - t2); + break; + case INDEX_op_mul_i64: + t0 = *tb_ptr++; + t1 = tci_read_ri64(&tb_ptr); + t2 = tci_read_ri64(&tb_ptr); + tci_write_reg64(t0, t1 * t2); + break; +#if TCG_TARGET_HAS_div_i64 + case INDEX_op_div_i64: + case INDEX_op_divu_i64: + case INDEX_op_rem_i64: + case INDEX_op_remu_i64: + TODO(); + break; +#elif TCG_TARGET_HAS_div2_i64 + case INDEX_op_div2_i64: + case INDEX_op_divu2_i64: + TODO(); + break; +#endif + case INDEX_op_and_i64: + t0 = *tb_ptr++; + t1 = tci_read_ri64(&tb_ptr); + t2 = tci_read_ri64(&tb_ptr); + tci_write_reg64(t0, t1 & t2); + break; + case INDEX_op_or_i64: + t0 = *tb_ptr++; + t1 = tci_read_ri64(&tb_ptr); + t2 = tci_read_ri64(&tb_ptr); + tci_write_reg64(t0, t1 | t2); + break; + case INDEX_op_xor_i64: + t0 = *tb_ptr++; + t1 = tci_read_ri64(&tb_ptr); + t2 = tci_read_ri64(&tb_ptr); + tci_write_reg64(t0, t1 ^ t2); + break; + + /* Shift/rotate operations (64 bit). */ + + case INDEX_op_shl_i64: + t0 = *tb_ptr++; + t1 = tci_read_ri64(&tb_ptr); + t2 = tci_read_ri64(&tb_ptr); + tci_write_reg64(t0, t1 << (t2 & 63)); + break; + case INDEX_op_shr_i64: + t0 = *tb_ptr++; + t1 = tci_read_ri64(&tb_ptr); + t2 = tci_read_ri64(&tb_ptr); + tci_write_reg64(t0, t1 >> (t2 & 63)); + break; + case INDEX_op_sar_i64: + t0 = *tb_ptr++; + t1 = tci_read_ri64(&tb_ptr); + t2 = tci_read_ri64(&tb_ptr); + tci_write_reg64(t0, ((int64_t)t1 >> (t2 & 63))); + break; +#if TCG_TARGET_HAS_rot_i64 + case INDEX_op_rotl_i64: + t0 = *tb_ptr++; + t1 = tci_read_ri64(&tb_ptr); + t2 = tci_read_ri64(&tb_ptr); + tci_write_reg64(t0, rol64(t1, t2 & 63)); + break; + case INDEX_op_rotr_i64: + t0 = *tb_ptr++; + t1 = tci_read_ri64(&tb_ptr); + t2 = tci_read_ri64(&tb_ptr); + tci_write_reg64(t0, ror64(t1, t2 & 63)); + break; +#endif +#if TCG_TARGET_HAS_deposit_i64 + case INDEX_op_deposit_i64: + t0 = *tb_ptr++; + t1 = tci_read_r64(&tb_ptr); + t2 = tci_read_r64(&tb_ptr); + tmp16 = *tb_ptr++; + tmp8 = *tb_ptr++; + tmp64 = (((1ULL << tmp8) - 1) << tmp16); + tci_write_reg64(t0, (t1 & ~tmp64) | ((t2 << tmp16) & tmp64)); + break; +#endif + case INDEX_op_brcond_i64: + t0 = tci_read_r64(&tb_ptr); + t1 = tci_read_ri64(&tb_ptr); + condition = *tb_ptr++; + label = tci_read_label(&tb_ptr); + if (tci_compare64(t0, t1, condition)) { + assert(tb_ptr == old_code_ptr + op_size); + tb_ptr = (uint8_t *)label; + continue; + } + break; +#if TCG_TARGET_HAS_ext8u_i64 + case INDEX_op_ext8u_i64: + t0 = *tb_ptr++; + t1 = tci_read_r8(&tb_ptr); + tci_write_reg64(t0, t1); + break; +#endif +#if TCG_TARGET_HAS_ext8s_i64 + case INDEX_op_ext8s_i64: + t0 = *tb_ptr++; + t1 = tci_read_r8s(&tb_ptr); + tci_write_reg64(t0, t1); + break; +#endif +#if TCG_TARGET_HAS_ext16s_i64 + case INDEX_op_ext16s_i64: + t0 = *tb_ptr++; + t1 = tci_read_r16s(&tb_ptr); + tci_write_reg64(t0, t1); + break; +#endif +#if TCG_TARGET_HAS_ext16u_i64 + case INDEX_op_ext16u_i64: + t0 = *tb_ptr++; + t1 = tci_read_r16(&tb_ptr); + tci_write_reg64(t0, t1); + break; +#endif +#if TCG_TARGET_HAS_ext32s_i64 + case INDEX_op_ext32s_i64: +#endif + case INDEX_op_ext_i32_i64: + t0 = *tb_ptr++; + t1 = tci_read_r32s(&tb_ptr); + tci_write_reg64(t0, t1); + break; +#if TCG_TARGET_HAS_ext32u_i64 + case INDEX_op_ext32u_i64: +#endif + case INDEX_op_extu_i32_i64: + t0 = *tb_ptr++; + t1 = tci_read_r32(&tb_ptr); + tci_write_reg64(t0, t1); + break; +#if TCG_TARGET_HAS_bswap16_i64 + case INDEX_op_bswap16_i64: + TODO(); + t0 = *tb_ptr++; + t1 = tci_read_r16(&tb_ptr); + tci_write_reg64(t0, bswap16(t1)); + break; +#endif +#if TCG_TARGET_HAS_bswap32_i64 + case INDEX_op_bswap32_i64: + t0 = *tb_ptr++; + t1 = tci_read_r32(&tb_ptr); + tci_write_reg64(t0, bswap32(t1)); + break; +#endif +#if TCG_TARGET_HAS_bswap64_i64 + case INDEX_op_bswap64_i64: + t0 = *tb_ptr++; + t1 = tci_read_r64(&tb_ptr); + tci_write_reg64(t0, bswap64(t1)); + break; +#endif +#if TCG_TARGET_HAS_not_i64 + case INDEX_op_not_i64: + t0 = *tb_ptr++; + t1 = tci_read_r64(&tb_ptr); + tci_write_reg64(t0, ~t1); + break; +#endif +#if TCG_TARGET_HAS_neg_i64 + case INDEX_op_neg_i64: + t0 = *tb_ptr++; + t1 = tci_read_r64(&tb_ptr); + tci_write_reg64(t0, -t1); + break; +#endif +#endif /* TCG_TARGET_REG_BITS == 64 */ + + /* QEMU specific operations. */ + + case INDEX_op_exit_tb: + next_tb = *(uint64_t *)tb_ptr; + goto exit; + break; + case INDEX_op_goto_tb: + t0 = tci_read_i32(&tb_ptr); + assert(tb_ptr == old_code_ptr + op_size); + tb_ptr += (int32_t)t0; + continue; + case INDEX_op_qemu_ld_i32: + t0 = *tb_ptr++; + taddr = tci_read_ulong(&tb_ptr); + oi = tci_read_i(&tb_ptr); + switch (get_memop(oi) & (MO_BSWAP | MO_SSIZE)) { + case MO_UB: + tmp32 = qemu_ld_ub; + break; + case MO_SB: + tmp32 = (int8_t)qemu_ld_ub; + break; + case MO_LEUW: + tmp32 = qemu_ld_leuw; + break; + case MO_LESW: + tmp32 = (int16_t)qemu_ld_leuw; + break; + case MO_LEUL: + tmp32 = qemu_ld_leul; + break; + case MO_BEUW: + tmp32 = qemu_ld_beuw; + break; + case MO_BESW: + tmp32 = (int16_t)qemu_ld_beuw; + break; + case MO_BEUL: + tmp32 = qemu_ld_beul; + break; + default: + tcg_abort(); + } + tci_write_reg(t0, tmp32); + break; + case INDEX_op_qemu_ld_i64: + t0 = *tb_ptr++; + if (TCG_TARGET_REG_BITS == 32) { + t1 = *tb_ptr++; + } + taddr = tci_read_ulong(&tb_ptr); + oi = tci_read_i(&tb_ptr); + switch (get_memop(oi) & (MO_BSWAP | MO_SSIZE)) { + case MO_UB: + tmp64 = qemu_ld_ub; + break; + case MO_SB: + tmp64 = (int8_t)qemu_ld_ub; + break; + case MO_LEUW: + tmp64 = qemu_ld_leuw; + break; + case MO_LESW: + tmp64 = (int16_t)qemu_ld_leuw; + break; + case MO_LEUL: + tmp64 = qemu_ld_leul; + break; + case MO_LESL: + tmp64 = (int32_t)qemu_ld_leul; + break; + case MO_LEQ: + tmp64 = qemu_ld_leq; + break; + case MO_BEUW: + tmp64 = qemu_ld_beuw; + break; + case MO_BESW: + tmp64 = (int16_t)qemu_ld_beuw; + break; + case MO_BEUL: + tmp64 = qemu_ld_beul; + break; + case MO_BESL: + tmp64 = (int32_t)qemu_ld_beul; + break; + case MO_BEQ: + tmp64 = qemu_ld_beq; + break; + default: + tcg_abort(); + } + tci_write_reg(t0, tmp64); + if (TCG_TARGET_REG_BITS == 32) { + tci_write_reg(t1, tmp64 >> 32); + } + break; + case INDEX_op_qemu_st_i32: + t0 = tci_read_r(&tb_ptr); + taddr = tci_read_ulong(&tb_ptr); + oi = tci_read_i(&tb_ptr); + switch (get_memop(oi) & (MO_BSWAP | MO_SIZE)) { + case MO_UB: + qemu_st_b(t0); + break; + case MO_LEUW: + qemu_st_lew(t0); + break; + case MO_LEUL: + qemu_st_lel(t0); + break; + case MO_BEUW: + qemu_st_bew(t0); + break; + case MO_BEUL: + qemu_st_bel(t0); + break; + default: + tcg_abort(); + } + break; + case INDEX_op_qemu_st_i64: + tmp64 = tci_read_r64(&tb_ptr); + taddr = tci_read_ulong(&tb_ptr); + oi = tci_read_i(&tb_ptr); + switch (get_memop(oi) & (MO_BSWAP | MO_SIZE)) { + case MO_UB: + qemu_st_b(tmp64); + break; + case MO_LEUW: + qemu_st_lew(tmp64); + break; + case MO_LEUL: + qemu_st_lel(tmp64); + break; + case MO_LEQ: + qemu_st_leq(tmp64); + break; + case MO_BEUW: + qemu_st_bew(tmp64); + break; + case MO_BEUL: + qemu_st_bel(tmp64); + break; + case MO_BEQ: + qemu_st_beq(tmp64); + break; + default: + tcg_abort(); + } + break; + default: + TODO(); + break; + } + assert(tb_ptr == old_code_ptr + op_size); + } +exit: + return next_tb; +} |
