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-rw-r--r--src/devices/cpu/drcbex86.h336
1 files changed, 13 insertions, 323 deletions
diff --git a/src/devices/cpu/drcbex86.h b/src/devices/cpu/drcbex86.h
index ef1bf57f010..3d873677fed 100644
--- a/src/devices/cpu/drcbex86.h
+++ b/src/devices/cpu/drcbex86.h
@@ -8,337 +8,27 @@
***************************************************************************/
-#pragma once
+#ifndef MAME_CPU_DRCBEX86_H
+#define MAME_CPU_DRCBEX86_H
-#ifndef __DRCBEX86_H__
-#define __DRCBEX86_H__
+#pragma once
#include "drcuml.h"
-#include "drcbeut.h"
-#include "x86log.h"
-
-#define X86EMIT_SIZE 32
-#include "x86emit.h"
+#include <memory>
namespace drc {
-//**************************************************************************
-// TYPE DEFINITIONS
-//**************************************************************************
-
-class drcbe_x86 : public drcbe_interface
-{
- typedef uint32_t (*x86_entry_point_func)(x86code *entry);
-
-public:
- // construction/destruction
- drcbe_x86(drcuml_state &drcuml, device_t &device, drc_cache &cache, uint32_t flags, int modes, int addrbits, int ignorebits);
- virtual ~drcbe_x86();
-
- // required overrides
- virtual void reset() override;
- virtual int execute(uml::code_handle &entry) override;
- virtual void generate(drcuml_block &block, const uml::instruction *instlist, uint32_t numinst) override;
- virtual bool hash_exists(uint32_t mode, uint32_t pc) override;
- virtual void get_info(drcbe_info &info) override;
- virtual bool logging() const override { return m_log != nullptr; }
-
-private:
- // a be_parameter is similar to a uml::parameter but maps to native registers/memory
- class be_parameter
- {
- public:
- // parameter types
- enum be_parameter_type
- {
- PTYPE_NONE = 0, // invalid
- PTYPE_IMMEDIATE, // immediate; value = sign-extended to 64 bits
- PTYPE_INT_REGISTER, // integer register; value = 0-REG_MAX
- PTYPE_FLOAT_REGISTER, // floating point register; value = 0-REG_MAX
- PTYPE_VECTOR_REGISTER, // vector register; value = 0-REG_MAX
- PTYPE_MEMORY, // memory; value = pointer to memory
- PTYPE_MAX
- };
-
- // represents the value of a parameter
- typedef uint64_t be_parameter_value;
-
- // construction
- be_parameter() : m_type(PTYPE_NONE), m_value(0) { }
- be_parameter(const be_parameter &param) : m_type(param.m_type), m_value(param.m_value) { }
- be_parameter(uint64_t val) : m_type(PTYPE_IMMEDIATE), m_value(val) { }
- be_parameter(drcbe_x86 &drcbe, const uml::parameter &param, uint32_t allowed);
-
- // creators for types that don't safely default
- static inline be_parameter make_ireg(int regnum) { assert(regnum >= 0 && regnum < x86emit::REG_MAX); return be_parameter(PTYPE_INT_REGISTER, regnum); }
- static inline be_parameter make_freg(int regnum) { assert(regnum >= 0 && regnum < x86emit::REG_MAX); return be_parameter(PTYPE_FLOAT_REGISTER, regnum); }
- static inline be_parameter make_vreg(int regnum) { assert(regnum >= 0 && regnum < x86emit::REG_MAX); return be_parameter(PTYPE_VECTOR_REGISTER, regnum); }
- static inline be_parameter make_memory(void *base) { return be_parameter(PTYPE_MEMORY, reinterpret_cast<be_parameter_value>(base)); }
- static inline be_parameter make_memory(const void *base) { return be_parameter(PTYPE_MEMORY, reinterpret_cast<be_parameter_value>(const_cast<void *>(base))); }
-
- // operators
- bool operator==(const be_parameter &rhs) const { return (m_type == rhs.m_type && m_value == rhs.m_value); }
- bool operator!=(const be_parameter &rhs) const { return (m_type != rhs.m_type || m_value != rhs.m_value); }
-
- // getters
- be_parameter_type type() const { return m_type; }
- uint64_t immediate() const { assert(m_type == PTYPE_IMMEDIATE); return m_value; }
- int ireg() const { assert(m_type == PTYPE_INT_REGISTER); assert(m_value < x86emit::REG_MAX); return m_value; }
- int freg() const { assert(m_type == PTYPE_FLOAT_REGISTER); assert(m_value < x86emit::REG_MAX); return m_value; }
- int vreg() const { assert(m_type == PTYPE_VECTOR_REGISTER); assert(m_value < x86emit::REG_MAX); return m_value; }
- void *memory(uint32_t offset = 0) const { assert(m_type == PTYPE_MEMORY); return reinterpret_cast<void *>(m_value + offset); }
-
- // type queries
- bool is_immediate() const { return (m_type == PTYPE_IMMEDIATE); }
- bool is_int_register() const { return (m_type == PTYPE_INT_REGISTER); }
- bool is_float_register() const { return (m_type == PTYPE_FLOAT_REGISTER); }
- bool is_vector_register() const { return (m_type == PTYPE_VECTOR_REGISTER); }
- bool is_memory() const { return (m_type == PTYPE_MEMORY); }
-
- // other queries
- bool is_immediate_value(uint64_t value) const { return (m_type == PTYPE_IMMEDIATE && m_value == value); }
-
- // helpers
- int select_register(int defreg) const;
- int select_register(int defreg, const be_parameter &checkparam) const;
- int select_register(int defreg, const be_parameter &checkparam, const be_parameter &checkparam2) const;
-
- private:
- // private constructor
- be_parameter(be_parameter_type type, be_parameter_value value) : m_type(type), m_value(value) { }
-
- // internals
- be_parameter_type m_type; // parameter type
- be_parameter_value m_value; // parameter value
- };
-
- // helpers
- void normalize_commutative(be_parameter &inner, be_parameter &outer);
- void emit_combine_z_flags(x86code *&dst);
- void emit_combine_z_shl_flags(x86code *&dst);
- void reset_last_upper_lower_reg();
- void set_last_lower_reg(x86code *&dst, const be_parameter &param, uint8_t reglo);
- void set_last_upper_reg(x86code *&dst, const be_parameter &param, uint8_t reghi);
- bool can_skip_lower_load(x86code *&dst, uint32_t *memref, uint8_t reglo);
- bool can_skip_upper_load(x86code *&dst, uint32_t *memref, uint8_t reghi);
- void track_resolve_link(x86code *&destptr, const emit_link &linkinfo);
- void fixup_label(void *parameter, drccodeptr labelcodeptr);
- void fixup_exception(drccodeptr *codeptr, void *param1, void *param2);
-
- static void debug_log_hashjmp(int mode, offs_t pc);
-
- // code generators
- void op_handle(x86code *&dst, const uml::instruction &inst);
- void op_hash(x86code *&dst, const uml::instruction &inst);
- void op_label(x86code *&dst, const uml::instruction &inst);
- void op_comment(x86code *&dst, const uml::instruction &inst);
- void op_mapvar(x86code *&dst, const uml::instruction &inst);
-
- void op_nop(x86code *&dst, const uml::instruction &inst);
- void op_debug(x86code *&dst, const uml::instruction &inst);
- void op_exit(x86code *&dst, const uml::instruction &inst);
- void op_hashjmp(x86code *&dst, const uml::instruction &inst);
- void op_jmp(x86code *&dst, const uml::instruction &inst);
- void op_exh(x86code *&dst, const uml::instruction &inst);
- void op_callh(x86code *&dst, const uml::instruction &inst);
- void op_ret(x86code *&dst, const uml::instruction &inst);
- void op_callc(x86code *&dst, const uml::instruction &inst);
- void op_recover(x86code *&dst, const uml::instruction &inst);
-
- void op_setfmod(x86code *&dst, const uml::instruction &inst);
- void op_getfmod(x86code *&dst, const uml::instruction &inst);
- void op_getexp(x86code *&dst, const uml::instruction &inst);
- void op_getflgs(x86code *&dst, const uml::instruction &inst);
- void op_save(x86code *&dst, const uml::instruction &inst);
- void op_restore(x86code *&dst, const uml::instruction &inst);
-
- void op_load(x86code *&dst, const uml::instruction &inst);
- void op_loads(x86code *&dst, const uml::instruction &inst);
- void op_store(x86code *&dst, const uml::instruction &inst);
- void op_read(x86code *&dst, const uml::instruction &inst);
- void op_readm(x86code *&dst, const uml::instruction &inst);
- void op_write(x86code *&dst, const uml::instruction &inst);
- void op_writem(x86code *&dst, const uml::instruction &inst);
- void op_carry(x86code *&dst, const uml::instruction &inst);
- void op_set(x86code *&dst, const uml::instruction &inst);
- void op_mov(x86code *&dst, const uml::instruction &inst);
- void op_sext(x86code *&dst, const uml::instruction &inst);
- void op_roland(x86code *&dst, const uml::instruction &inst);
- void op_rolins(x86code *&dst, const uml::instruction &inst);
- void op_add(x86code *&dst, const uml::instruction &inst);
- void op_addc(x86code *&dst, const uml::instruction &inst);
- void op_sub(x86code *&dst, const uml::instruction &inst);
- void op_subc(x86code *&dst, const uml::instruction &inst);
- void op_cmp(x86code *&dst, const uml::instruction &inst);
- void op_mulu(x86code *&dst, const uml::instruction &inst);
- void op_muls(x86code *&dst, const uml::instruction &inst);
- void op_divu(x86code *&dst, const uml::instruction &inst);
- void op_divs(x86code *&dst, const uml::instruction &inst);
- void op_and(x86code *&dst, const uml::instruction &inst);
- void op_test(x86code *&dst, const uml::instruction &inst);
- void op_or(x86code *&dst, const uml::instruction &inst);
- void op_xor(x86code *&dst, const uml::instruction &inst);
- void op_lzcnt(x86code *&dst, const uml::instruction &inst);
- void op_tzcnt(x86code *&dst, const uml::instruction &inst);
- void op_bswap(x86code *&dst, const uml::instruction &inst);
- void op_shl(x86code *&dst, const uml::instruction &inst);
- void op_shr(x86code *&dst, const uml::instruction &inst);
- void op_sar(x86code *&dst, const uml::instruction &inst);
- void op_ror(x86code *&dst, const uml::instruction &inst);
- void op_rol(x86code *&dst, const uml::instruction &inst);
- void op_rorc(x86code *&dst, const uml::instruction &inst);
- void op_rolc(x86code *&dst, const uml::instruction &inst);
-
- void op_fload(x86code *&dst, const uml::instruction &inst);
- void op_fstore(x86code *&dst, const uml::instruction &inst);
- void op_fread(x86code *&dst, const uml::instruction &inst);
- void op_fwrite(x86code *&dst, const uml::instruction &inst);
- void op_fmov(x86code *&dst, const uml::instruction &inst);
- void op_ftoint(x86code *&dst, const uml::instruction &inst);
- void op_ffrint(x86code *&dst, const uml::instruction &inst);
- void op_ffrflt(x86code *&dst, const uml::instruction &inst);
- void op_frnds(x86code *&dst, const uml::instruction &inst);
- void op_fadd(x86code *&dst, const uml::instruction &inst);
- void op_fsub(x86code *&dst, const uml::instruction &inst);
- void op_fcmp(x86code *&dst, const uml::instruction &inst);
- void op_fmul(x86code *&dst, const uml::instruction &inst);
- void op_fdiv(x86code *&dst, const uml::instruction &inst);
- void op_fneg(x86code *&dst, const uml::instruction &inst);
- void op_fabs(x86code *&dst, const uml::instruction &inst);
- void op_fsqrt(x86code *&dst, const uml::instruction &inst);
- void op_frecip(x86code *&dst, const uml::instruction &inst);
- void op_frsqrt(x86code *&dst, const uml::instruction &inst);
- void op_fcopyi(x86code *&dst, const uml::instruction &inst);
- void op_icopyf(x86code *&dst, const uml::instruction &inst);
-
- // 32-bit code emission helpers
- void emit_mov_r32_p32(x86code *&dst, uint8_t reg, const be_parameter &param);
- void emit_mov_r32_p32_keepflags(x86code *&dst, uint8_t reg, const be_parameter &param);
- void emit_mov_m32_p32(x86code *&dst, x86_memref memref, const be_parameter &param);
- void emit_mov_p32_r32(x86code *&dst, const be_parameter &param, uint8_t reg);
- void emit_add_r32_p32(x86code *&dst, uint8_t reg, const be_parameter &param, const uml::instruction &inst);
- void emit_add_m32_p32(x86code *&dst, x86_memref memref, const be_parameter &param, const uml::instruction &inst);
- void emit_adc_r32_p32(x86code *&dst, uint8_t reg, const be_parameter &param, const uml::instruction &inst);
- void emit_adc_m32_p32(x86code *&dst, x86_memref memref, const be_parameter &param, const uml::instruction &inst);
- void emit_sub_r32_p32(x86code *&dst, uint8_t reg, const be_parameter &param, const uml::instruction &inst);
- void emit_sub_m32_p32(x86code *&dst, x86_memref memref, const be_parameter &param, const uml::instruction &inst);
- void emit_sbb_r32_p32(x86code *&dst, uint8_t reg, const be_parameter &param, const uml::instruction &inst);
- void emit_sbb_m32_p32(x86code *&dst, x86_memref memref, const be_parameter &param, const uml::instruction &inst);
- void emit_cmp_r32_p32(x86code *&dst, uint8_t reg, const be_parameter &param, const uml::instruction &inst);
- void emit_cmp_m32_p32(x86code *&dst, x86_memref memref, const be_parameter &param, const uml::instruction &inst);
- void emit_and_r32_p32(x86code *&dst, uint8_t reg, const be_parameter &param, const uml::instruction &inst);
- void emit_and_m32_p32(x86code *&dst, x86_memref memref, const be_parameter &param, const uml::instruction &inst);
- void emit_test_r32_p32(x86code *&dst, uint8_t reg, const be_parameter &param, const uml::instruction &inst);
- void emit_test_m32_p32(x86code *&dst, x86_memref memref, const be_parameter &param, const uml::instruction &inst);
- void emit_or_r32_p32(x86code *&dst, uint8_t reg, const be_parameter &param, const uml::instruction &inst);
- void emit_or_m32_p32(x86code *&dst, x86_memref memref, const be_parameter &param, const uml::instruction &inst);
- void emit_xor_r32_p32(x86code *&dst, uint8_t reg, const be_parameter &param, const uml::instruction &inst);
- void emit_xor_m32_p32(x86code *&dst, x86_memref memref, const be_parameter &param, const uml::instruction &inst);
- void emit_shl_r32_p32(x86code *&dst, uint8_t reg, const be_parameter &param, const uml::instruction &inst);
- void emit_shl_m32_p32(x86code *&dst, x86_memref memref, const be_parameter &param, const uml::instruction &inst);
- void emit_shr_r32_p32(x86code *&dst, uint8_t reg, const be_parameter &param, const uml::instruction &inst);
- void emit_shr_m32_p32(x86code *&dst, x86_memref memref, const be_parameter &param, const uml::instruction &inst);
- void emit_sar_r32_p32(x86code *&dst, uint8_t reg, const be_parameter &param, const uml::instruction &inst);
- void emit_sar_m32_p32(x86code *&dst, x86_memref memref, const be_parameter &param, const uml::instruction &inst);
- void emit_rol_r32_p32(x86code *&dst, uint8_t reg, const be_parameter &param, const uml::instruction &inst);
- void emit_rol_m32_p32(x86code *&dst, x86_memref memref, const be_parameter &param, const uml::instruction &inst);
- void emit_ror_r32_p32(x86code *&dst, uint8_t reg, const be_parameter &param, const uml::instruction &inst);
- void emit_ror_m32_p32(x86code *&dst, x86_memref memref, const be_parameter &param, const uml::instruction &inst);
- void emit_rcl_r32_p32(x86code *&dst, uint8_t reg, const be_parameter &param, const uml::instruction &inst);
- void emit_rcl_m32_p32(x86code *&dst, x86_memref memref, const be_parameter &param, const uml::instruction &inst);
- void emit_rcr_r32_p32(x86code *&dst, uint8_t reg, const be_parameter &param, const uml::instruction &inst);
- void emit_rcr_m32_p32(x86code *&dst, x86_memref memref, const be_parameter &param, const uml::instruction &inst);
-
- // 64-bit code emission helpers
- void emit_mov_r64_p64(x86code *&dst, uint8_t reglo, uint8_t reghi, const be_parameter &param);
- void emit_mov_r64_p64_keepflags(x86code *&dst, uint8_t reglo, uint8_t reghi, const be_parameter &param);
- void emit_mov_m64_p64(x86code *&dst, x86_memref memref, const be_parameter &param);
- void emit_mov_p64_r64(x86code *&dst, const be_parameter &param, uint8_t reglo, uint8_t reghi);
- void emit_add_r64_p64(x86code *&dst, uint8_t reglo, uint8_t reghi, const be_parameter &param, const uml::instruction &inst);
- void emit_add_m64_p64(x86code *&dst, x86_memref memref, const be_parameter &param, const uml::instruction &inst);
- void emit_adc_r64_p64(x86code *&dst, uint8_t reglo, uint8_t reghi, const be_parameter &param, const uml::instruction &inst);
- void emit_adc_m64_p64(x86code *&dst, x86_memref memref, const be_parameter &param, const uml::instruction &inst);
- void emit_sub_r64_p64(x86code *&dst, uint8_t reglo, uint8_t reghi, const be_parameter &param, const uml::instruction &inst);
- void emit_sub_m64_p64(x86code *&dst, x86_memref memref, const be_parameter &param, const uml::instruction &inst);
- void emit_sbb_r64_p64(x86code *&dst, uint8_t reglo, uint8_t reghi, const be_parameter &param, const uml::instruction &inst);
- void emit_sbb_m64_p64(x86code *&dst, x86_memref memref, const be_parameter &param, const uml::instruction &inst);
- void emit_cmp_r64_p64(x86code *&dst, uint8_t reglo, uint8_t reghi, const be_parameter &param, const uml::instruction &inst);
- void emit_and_r64_p64(x86code *&dst, uint8_t reglo, uint8_t reghi, const be_parameter &param, const uml::instruction &inst);
- void emit_and_m64_p64(x86code *&dst, x86_memref memref, const be_parameter &param, const uml::instruction &inst);
- void emit_test_r64_p64(x86code *&dst, uint8_t reglo, uint8_t reghi, const be_parameter &param, const uml::instruction &inst);
- void emit_test_m64_p64(x86code *&dst, x86_memref memref, const be_parameter &param, const uml::instruction &inst);
- void emit_or_r64_p64(x86code *&dst, uint8_t reglo, uint8_t reghi, const be_parameter &param, const uml::instruction &inst);
- void emit_or_m64_p64(x86code *&dst, x86_memref memref, const be_parameter &param, const uml::instruction &inst);
- void emit_xor_r64_p64(x86code *&dst, uint8_t reglo, uint8_t reghi, const be_parameter &param, const uml::instruction &inst);
- void emit_xor_m64_p64(x86code *&dst, x86_memref memref, const be_parameter &param, const uml::instruction &inst);
- void emit_shl_r64_p64(x86code *&dst, uint8_t reglo, uint8_t reghi, const be_parameter &param, const uml::instruction &inst);
- void emit_shr_r64_p64(x86code *&dst, uint8_t reglo, uint8_t reghi, const be_parameter &param, const uml::instruction &inst);
- void emit_sar_r64_p64(x86code *&dst, uint8_t reglo, uint8_t reghi, const be_parameter &param, const uml::instruction &inst);
- void emit_rol_r64_p64(x86code *&dst, uint8_t reglo, uint8_t reghi, const be_parameter &param, const uml::instruction &inst);
- void emit_ror_r64_p64(x86code *&dst, uint8_t reglo, uint8_t reghi, const be_parameter &param, const uml::instruction &inst);
- void emit_rcl_r64_p64(x86code *&dst, uint8_t reglo, uint8_t reghi, const be_parameter &param, const uml::instruction &inst);
- void emit_rcr_r64_p64(x86code *&dst, uint8_t reglo, uint8_t reghi, const be_parameter &param, const uml::instruction &inst);
-
- // floating-point code emission helpers
- void emit_fld_p(x86code *&dst, int size, const be_parameter &param);
- void emit_fstp_p(x86code *&dst, int size, const be_parameter &param);
-
- // callback helpers
- static int dmulu(uint64_t &dstlo, uint64_t &dsthi, uint64_t src1, uint64_t src2, bool flags);
- static int dmuls(uint64_t &dstlo, uint64_t &dsthi, int64_t src1, int64_t src2, bool flags);
- static int ddivu(uint64_t &dstlo, uint64_t &dsthi, uint64_t src1, uint64_t src2);
- static int ddivs(uint64_t &dstlo, uint64_t &dsthi, int64_t src1, int64_t src2);
-
- // internal state
- drc_hash_table m_hash; // hash table state
- drc_map_variables m_map; // code map
- drc_label_list m_labels; // label list
- x86log_context * m_log; // logging
- bool m_logged_common; // logged common code already?
- bool m_sse3; // do we have SSE3 support?
-
- x86_entry_point_func m_entry; // entry point
- x86code * m_exit; // exit point
- x86code * m_nocode; // nocode handler
- x86code * m_save; // save handler
- x86code * m_restore; // restore handler
-
- uint32_t * m_reglo[x86emit::REG_MAX];// pointer to low part of data for each register
- uint32_t * m_reghi[x86emit::REG_MAX];// pointer to high part of data for each register
- uint8_t m_last_lower_reg; // last register we stored a lower from
- x86code * m_last_lower_pc; // PC after instruction where we last stored a lower register
- uint32_t * m_last_lower_addr; // address where we last stored an lower register
- uint8_t m_last_upper_reg; // last register we stored an upper from
- x86code * m_last_upper_pc; // PC after instruction where we last stored an upper register
- uint32_t * m_last_upper_addr; // address where we last stored an upper register
- double m_fptemp; // temporary storage for floating point
-
- uint16_t m_fpumode; // saved FPU mode
- uint16_t m_fmodesave; // temporary location for saving
-
- void * m_stacksave; // saved stack pointer
- void * m_hashstacksave; // saved stack pointer for hashjmp
- uint64_t m_reslo; // extended low result
- uint64_t m_reshi; // extended high result
-
- drc_label_fixup_delegate m_fixup_label; // precomputed delegate for fixups
- drc_oob_delegate m_fixup_exception; // precomputed delegate for exception fixups
-
- // globals
- typedef void (drcbe_x86::*opcode_generate_func)(x86code *&dst, const uml::instruction &inst);
- struct opcode_table_entry
- {
- uml::opcode_t opcode; // opcode in question
- opcode_generate_func func; // function pointer to the work
- };
- static const opcode_table_entry s_opcode_table_source[];
- static opcode_generate_func s_opcode_table[uml::OP_MAX];
-};
+std::unique_ptr<drcbe_interface> make_drcbe_x86(
+ drcuml_state &drcuml,
+ device_t &device,
+ drc_cache &cache,
+ uint32_t flags,
+ int modes,
+ int addrbits,
+ int ignorebits);
} // namespace drc
-using drc::drcbe_x86;
-
-#endif /* __DRCBEX86_H__ */
+#endif // MAME_CPU_DRCBEX86_H