--- /dev/null
+/* This file is part of the program psim.
+
+ Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
+
+ 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, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+ */
+
+
+#ifndef _FUNCTION_UNIT_C_
+#define _FUNCTION_UNIT_C_
+
+#ifndef STATIC_INLINE_FUNCTION_UNIT
+#define STATIC_INLINE_FUNCTION_UNIT STATIC_INLINE
+#endif
+
+
+#include "basics.h"
+#include "cpu.h"
+#include "function_unit.h"
+
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+
+typedef enum _unit_index {
+ UNIT_UNKNOWN, /* unknown functional unit */
+ UNIT_INT, /* integer functional unit */
+ UNIT_SINT, /* integer or SRU functional unit */
+ UNIT_CINT, /* complex integer functional unit */
+ UNIT_FPU, /* floating point functional unit */
+ UNIT_MEM, /* memory functional unit */
+ UNIT_BRANCH, /* branch functional unit */
+ UNIT_SREG, /* system register functional unit */
+ NR_UNITS
+} unit_index;
+
+static const char *unit_names[] = {
+ "unknown functional unit instruction", /* UNIT_UNKNOWN */
+ "int functional unit instruction", /* UNIT_INT */
+ "int or SRU functional unit instruction", /* UNIT_SINT */
+ "complex int functional unit instruction", /* UNIT_CINT */
+ "floating point functional unit instruction", /* UNIT_FPU */
+ "memory function unit instruction", /* UNIT_MEM */
+ "branch functional unit instruction", /* UNIT_BRANCH */
+ "system register functional unit instruction", /* UNIT_SREG */
+};
+
+typedef struct _timing {
+ itable_index index; /* instruction # */
+ unit_index unit; /* functional unit */
+ int cycles; /* # cycles */
+ unsigned flags; /* random other flags */
+} timing;
+
+struct _function_unit {
+ unsigned_word old_program_counter;
+ unsigned nr_branches;
+ unsigned nr_stalls;
+ unsigned nr_units[ (int)NR_UNITS ];
+ struct {
+ unit_index unit;
+ int cycles;
+ unsigned flags;
+ } time[ (int)nr_itable_entries ];
+};
+
+/* Flags used in timing info */
+
+#define LOAD 0x00000001 /* this is a load */
+#define STORE 0x00000002 /* this is a store */
+
+\f
+/* 603 timings */
+static timing time_603[] = {
+ /* Instruction index Function unit Cycles Flags */
+ { itable_AND, UNIT_INT, 1, 0 },
+ { itable_AND_Immediate, UNIT_INT, 1, 0 },
+ { itable_AND_Immediate_Shifted, UNIT_INT, 1, 0 },
+ { itable_AND_with_Complement, UNIT_INT, 1, 0 },
+ { itable_Add, UNIT_SINT, 1, 0 },
+ { itable_Add_Carrying, UNIT_INT, 1, 0 },
+ { itable_Add_Extended, UNIT_INT, 1, 0 },
+ { itable_Add_Immediate, UNIT_SINT, 1, 0 },
+ { itable_Add_Immediate_Carrying, UNIT_INT, 1, 0 },
+ { itable_Add_Immediate_Carrying_and_Record, UNIT_INT, 1, 0 },
+ { itable_Add_Immediate_Shifted, UNIT_SINT, 1, 0 },
+ { itable_Add_to_Minus_One_Extended, UNIT_INT, 1, 0 },
+ { itable_Add_to_Zero_Extended, UNIT_INT, 1, 0 },
+ { itable_Branch, UNIT_BRANCH, 1, 0 },
+ { itable_Branch_Conditional, UNIT_BRANCH, 1, 0 },
+ { itable_Branch_Conditional_to_Count_Register, UNIT_BRANCH, 1, 0 },
+ { itable_Branch_Conditional_to_Link_Register, UNIT_BRANCH, 1, 0 },
+ { itable_Compare, UNIT_SINT, 1, 0 },
+ { itable_Compare_Immediate, UNIT_SINT, 1, 0 },
+ { itable_Compare_Logical, UNIT_SINT, 1, 0 },
+ { itable_Compare_Logical_Immediate, UNIT_SINT, 1, 0 },
+ { itable_Condition_Register_AND, UNIT_SREG, 1, 0 },
+ { itable_Condition_Register_AND_with_Complement, UNIT_SREG, 1, 0 },
+ { itable_Condition_Register_Equivalent, UNIT_SREG, 1, 0 },
+ { itable_Condition_Register_NAND, UNIT_SREG, 1, 0 },
+ { itable_Condition_Register_NOR, UNIT_SREG, 1, 0 },
+ { itable_Condition_Register_OR, UNIT_SREG, 1, 0 },
+ { itable_Condition_Register_OR_with_Complement, UNIT_SREG, 1, 0 },
+ { itable_Condition_Register_XOR, UNIT_SREG, 1, 0 },
+ { itable_Count_Leading_Zeros_Word, UNIT_INT, 1, 0 },
+ { itable_Data_Cache_Block_Flush, UNIT_MEM, 5, 0 },
+ { itable_Data_Cache_Block_Invalidate, UNIT_MEM, 2, 0 },
+ { itable_Data_Cache_Block_Store, UNIT_MEM, 5, 0 },
+ { itable_Data_Cache_Block_Touch, UNIT_MEM, 2, 0 },
+ { itable_Data_Cache_Block_Touch_for_Store, UNIT_MEM, 2, 0 },
+ { itable_Data_Cache_Block_set_to_Zero, UNIT_MEM, 10, 0 },
+ { itable_Divide_Word, UNIT_INT, 37, 0 },
+ { itable_Divide_Word_Unsigned, UNIT_INT, 37, 0 },
+ { itable_Enforce_Inorder_Execution_of_IO, UNIT_SREG, 1, 0 },
+ { itable_Equivalent, UNIT_INT, 1, 0 },
+ { itable_Extend_Sign_Byte, UNIT_INT, 1, 0 },
+ { itable_Extend_Sign_Half_Word, UNIT_INT, 1, 0 },
+ { itable_External_Control_In_Word_Indexed, UNIT_MEM, 2, 0 },
+ { itable_External_Control_Out_Word_Indexed, UNIT_MEM, 2, 0 },
+ { itable_Floating_Absolute_Value, UNIT_FPU, 1, 0 },
+ { itable_Floating_Add, UNIT_FPU, 1, 0 },
+ { itable_Floating_Add_Single, UNIT_FPU, 1, 0 },
+ { itable_Floating_Compare_Ordered, UNIT_FPU, 1, 0 },
+ { itable_Floating_Compare_Unordered, UNIT_FPU, 1, 0 },
+ { itable_Floating_Convert_To_Integer_Word, UNIT_FPU, 1, 0 },
+ { itable_Floating_Convert_To_Integer_Word_with_round_towards_Zero, UNIT_FPU, 1, 0 },
+ { itable_Floating_Divide, UNIT_FPU, 33, 0 },
+ { itable_Floating_Divide_Single, UNIT_FPU, 18, 0 },
+ { itable_Floating_Move_Register, UNIT_FPU, 1, 0 },
+ { itable_Floating_Multiply, UNIT_FPU, 2, 0 },
+ { itable_Floating_MultiplyAdd, UNIT_FPU, 2, 0 },
+ { itable_Floating_MultiplyAdd_Single, UNIT_FPU, 1, 0 },
+ { itable_Floating_MultiplySubtract, UNIT_FPU, 2, 0 },
+ { itable_Floating_MultiplySubtract_Single, UNIT_FPU, 1, 0 },
+ { itable_Floating_Multiply_Single, UNIT_FPU, 1, 0 },
+ { itable_Floating_Negate, UNIT_FPU, 1, 0 },
+ { itable_Floating_Negative_Absolute_Value, UNIT_FPU, 1, 0 },
+ { itable_Floating_Negative_MultiplyAdd, UNIT_FPU, 2, 0 },
+ { itable_Floating_Negative_MultiplyAdd_Single, UNIT_FPU, 1, 0 },
+ { itable_Floating_Negative_MultiplySubtract, UNIT_FPU, 2, 0 },
+ { itable_Floating_Negative_MultiplySubtract_Single, UNIT_FPU, 1, 0 },
+ { itable_Floating_Reciprocal_Estimate_Single, UNIT_FPU, 18, 0 },
+ { itable_Floating_Reciprocal_Square_Root_Estimate, UNIT_FPU, 1, 0 },
+ { itable_Floating_Round_to_SinglePrecision, UNIT_FPU, 1, 0 },
+ { itable_Floating_Select, UNIT_FPU, 1, 0 },
+ { itable_Floating_Square_Root, UNIT_UNKNOWN, 0, 0 },
+ { itable_Floating_Square_Root_Single, UNIT_UNKNOWN, 0, 0 },
+ { itable_Floating_Subtract, UNIT_FPU, 1, 0 },
+ { itable_Floating_Subtract_Single, UNIT_FPU, 1, 0 },
+ { itable_Instruction_Cache_Block_Invalidate, UNIT_MEM, 3, 0 },
+ { itable_Instruction_Synchronize, UNIT_SREG, 1, 0 },
+ { itable_Load_Byte_and_Zero, UNIT_MEM, 2, LOAD },
+ { itable_Load_Byte_and_Zero_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Load_Byte_and_Zero_with_Update, UNIT_MEM, 2, LOAD },
+ { itable_Load_Byte_and_Zero_with_Update_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Load_FloatingPoint_Double, UNIT_MEM, 2, LOAD },
+ { itable_Load_FloatingPoint_Double_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Load_FloatingPoint_Double_with_Update, UNIT_MEM, 2, LOAD },
+ { itable_Load_FloatingPoint_Double_with_Update_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Load_FloatingPoint_Single, UNIT_MEM, 2, LOAD },
+ { itable_Load_FloatingPoint_Single_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Load_FloatingPoint_Single_with_Update, UNIT_MEM, 2, LOAD },
+ { itable_Load_FloatingPoint_Single_with_Update_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Load_Halfword_Algebraic, UNIT_MEM, 2, LOAD },
+ { itable_Load_Halfword_Algebraic_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Load_Halfword_Algebraic_with_Update, UNIT_MEM, 2, LOAD },
+ { itable_Load_Halfword_Algebraic_with_Update_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Load_Halfword_ByteReverse_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Load_Halfword_and_Zero, UNIT_MEM, 2, LOAD },
+ { itable_Load_Halfword_and_Zero_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Load_Halfword_and_Zero_with_Update, UNIT_MEM, 2, LOAD },
+ { itable_Load_Halfword_and_Zero_with_Update_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Load_Multiple_Word, UNIT_MEM, 2, LOAD },
+ { itable_Load_String_Word_Immediate, UNIT_MEM, 2, LOAD },
+ { itable_Load_String_Word_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Load_Word_And_Reserve_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Load_Word_ByteReverse_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Load_Word_and_Zero, UNIT_MEM, 2, LOAD },
+ { itable_Load_Word_and_Zero_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Load_Word_and_Zero_with_Update, UNIT_MEM, 2, LOAD },
+ { itable_Load_Word_and_Zero_with_Update_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Move_Condition_Register_Field, UNIT_SREG, 1, 0 },
+ { itable_Move_From_Condition_Register, UNIT_SREG, 1, 0 },
+ { itable_Move_From_FPSCR, UNIT_FPU, 1, 0 },
+ { itable_Move_From_Machine_State_Register, UNIT_SREG, 1, 0 },
+ { itable_Move_From_Segment_Register, UNIT_SREG, 3, 0 },
+ { itable_Move_From_Segment_Register_Indirect, UNIT_SREG, 1, 0 },
+ { itable_Move_From_Time_Base, UNIT_SREG, 1, 0 },
+ { itable_Move_To_FPSCR_Bit_0, UNIT_FPU, 1, 0 },
+ { itable_Move_To_FPSCR_Bit_1, UNIT_FPU, 1, 0 },
+ { itable_Move_To_FPSCR_Field_Immediate, UNIT_FPU, 1, 0 },
+ { itable_Move_To_FPSCR_Fields, UNIT_FPU, 1, 0 },
+ { itable_Move_To_Machine_State_Register, UNIT_SREG, 2, 0 },
+ { itable_Move_To_Segment_Register, UNIT_SREG, 2, 0 },
+ { itable_Move_To_Segment_Register_Indirect, UNIT_SREG, 2, 0 },
+ { itable_Move_from_Special_Purpose_Register, UNIT_SREG, 1, 0 },
+ { itable_Move_to_Condition_Register_Fields, UNIT_SREG, 1, 0 },
+ { itable_Move_to_Condition_Register_from_FPSCR, UNIT_FPU, 1, 0 },
+ { itable_Move_to_Condition_Register_from_XER, UNIT_SREG, 1, 0 },
+ { itable_Move_to_Special_Purpose_Register, UNIT_SREG, 1, 0 },
+ { itable_Multiply_High_Word, UNIT_INT, 5, 0 },
+ { itable_Multiply_High_Word_Unsigned, UNIT_INT, 6, 0 },
+ { itable_Multiply_Low_Immediate, UNIT_INT, 3, 0 },
+ { itable_Multiply_Low_Word, UNIT_INT, 5, 0 },
+ { itable_NAND, UNIT_INT, 1, 0 },
+ { itable_NOR, UNIT_INT, 1, 0 },
+ { itable_Negate, UNIT_INT, 1, 0 },
+ { itable_OR, UNIT_INT, 1, 0 },
+ { itable_OR_Immediate, UNIT_INT, 1, 0 },
+ { itable_OR_Immediate_Shifted, UNIT_INT, 1, 0 },
+ { itable_OR_with_Complement, UNIT_INT, 1, 0 },
+ { itable_Return_From_Interrupt, UNIT_SREG, 3, 0 },
+ { itable_Rotate_Left_Word_Immediate_then_AND_with_Mask, UNIT_INT, 1, 0 },
+ { itable_Rotate_Left_Word_Immediate_then_Mask_Insert, UNIT_INT, 1, 0 },
+ { itable_Rotate_Left_Word_then_AND_with_Mask, UNIT_INT, 1, 0 },
+ { itable_Shift_Left_Word, UNIT_INT, 1, 0 },
+ { itable_Shift_Right_Algebraic_Word, UNIT_INT, 1, 0 },
+ { itable_Shift_Right_Algebraic_Word_Immediate, UNIT_INT, 1, 0 },
+ { itable_Shift_Right_Word, UNIT_INT, 1, 0 },
+ { itable_Store_Byte, UNIT_MEM, 1, STORE },
+ { itable_Store_Byte_Indexed, UNIT_MEM, 1, STORE },
+ { itable_Store_Byte_with_Update, UNIT_MEM, 1, STORE },
+ { itable_Store_Byte_with_Update_Indexed, UNIT_MEM, 1, STORE },
+ { itable_Store_FloatingPoint_Double, UNIT_MEM, 1, STORE },
+ { itable_Store_FloatingPoint_Double_Indexed, UNIT_MEM, 1, STORE },
+ { itable_Store_FloatingPoint_Double_with_Update, UNIT_MEM, 1, STORE },
+ { itable_Store_FloatingPoint_Double_with_Update_Indexed, UNIT_MEM, 1, STORE },
+ { itable_Store_FloatingPoint_Single, UNIT_MEM, 1, STORE },
+ { itable_Store_FloatingPoint_Single_Indexed, UNIT_MEM, 1, STORE },
+ { itable_Store_FloatingPoint_Single_with_Update, UNIT_MEM, 1, STORE },
+ { itable_Store_FloatingPoint_Single_with_Update_Indexed, UNIT_MEM, 1, STORE },
+ { itable_Store_FloatingPoint_as_Integer_Word_Indexed, UNIT_MEM, 1, STORE },
+ { itable_Store_Half_Word, UNIT_MEM, 1, STORE },
+ { itable_Store_Half_Word_ByteReversed_Indexed, UNIT_MEM, 1, STORE },
+ { itable_Store_Half_Word_Indexed, UNIT_MEM, 1, STORE },
+ { itable_Store_Half_Word_with_Update, UNIT_MEM, 1, STORE },
+ { itable_Store_Half_Word_with_Update_Indexed, UNIT_MEM, 1, STORE },
+ { itable_Store_Multiple_Word, UNIT_MEM, 1, STORE },
+ { itable_Store_String_Word_Immedate, UNIT_MEM, 1, STORE },
+ { itable_Store_String_Word_Indexed, UNIT_MEM, 1, STORE },
+ { itable_Store_Word, UNIT_MEM, 1, STORE },
+ { itable_Store_Word_ByteReversed_Indexed, UNIT_MEM, 1, STORE },
+ { itable_Store_Word_Conditional_Indexed, UNIT_MEM, 1, STORE },
+ { itable_Store_Word_Indexed, UNIT_MEM, 1, STORE },
+ { itable_Store_Word_with_Update, UNIT_MEM, 1, STORE },
+ { itable_Store_Word_with_Update_Indexed, UNIT_MEM, 1, STORE },
+ { itable_Subtract_From, UNIT_INT, 1, 0 },
+ { itable_Subtract_From_Carrying, UNIT_INT, 1, 0 },
+ { itable_Subtract_From_Extended, UNIT_INT, 1, 0 },
+ { itable_Subtract_From_Immediate_Carrying, UNIT_INT, 1, 0 },
+ { itable_Subtract_From_Minus_One_Extended, UNIT_INT, 1, 0 },
+ { itable_Subtract_from_Zero_Extended, UNIT_INT, 1, 0 },
+ { itable_Synchronize, UNIT_SREG, 3, 0 },
+ { itable_System_Call, UNIT_MEM, 3, 0 },
+ { itable_TLB_Invalidate_All, UNIT_MEM, 3, 0 },
+ { itable_TLB_Invalidate_Entry, UNIT_MEM, 3, 0 },
+ { itable_TLB_Sychronize, UNIT_MEM, 3, 0 },
+ { itable_Trap_Word, UNIT_INT, 2, 0 },
+ { itable_Trap_Word_Immediate, UNIT_INT, 2, 0 },
+ { itable_XOR, UNIT_INT, 1, 0 },
+ { itable_XOR_Immediate, UNIT_INT, 1, 0 },
+ { itable_XOR_Immediate_Shifted, UNIT_INT, 1, 0 },
+ { nr_itable_entries, UNIT_UNKNOWN, -1, 0 },
+};
+
+\f
+/* 604 timings */
+static timing time_604[] = {
+ /* Instruction index Function unit Cycles Flags */
+ { itable_AND, UNIT_INT, 1, 0 },
+ { itable_AND_Immediate, UNIT_INT, 1, 0 },
+ { itable_AND_Immediate_Shifted, UNIT_INT, 1, 0 },
+ { itable_AND_with_Complement, UNIT_INT, 1, 0 },
+ { itable_Add, UNIT_INT, 1, 0 },
+ { itable_Add_Carrying, UNIT_INT, 1, 0 },
+ { itable_Add_Extended, UNIT_INT, 1, 0 },
+ { itable_Add_Immediate, UNIT_INT, 1, 0 },
+ { itable_Add_Immediate_Carrying, UNIT_INT, 1, 0 },
+ { itable_Add_Immediate_Carrying_and_Record, UNIT_INT, 1, 0 },
+ { itable_Add_Immediate_Shifted, UNIT_INT, 1, 0 },
+ { itable_Add_to_Minus_One_Extended, UNIT_INT, 1, 0 },
+ { itable_Add_to_Zero_Extended, UNIT_INT, 1, 0 },
+ { itable_Branch, UNIT_BRANCH, 1, 0 },
+ { itable_Branch_Conditional, UNIT_BRANCH, 1, 0 },
+ { itable_Branch_Conditional_to_Count_Register, UNIT_BRANCH, 1, 0 },
+ { itable_Branch_Conditional_to_Link_Register, UNIT_BRANCH, 1, 0 },
+ { itable_Compare, UNIT_INT, 1, 0 },
+ { itable_Compare_Immediate, UNIT_INT, 1, 0 },
+ { itable_Compare_Logical, UNIT_INT, 1, 0 },
+ { itable_Compare_Logical_Immediate, UNIT_INT, 1, 0 },
+ { itable_Condition_Register_AND, UNIT_INT, 1, 0 },
+ { itable_Condition_Register_AND_with_Complement, UNIT_INT, 1, 0 },
+ { itable_Condition_Register_Equivalent, UNIT_INT, 1, 0 },
+ { itable_Condition_Register_NAND, UNIT_INT, 1, 0 },
+ { itable_Condition_Register_NOR, UNIT_INT, 1, 0 },
+ { itable_Condition_Register_OR, UNIT_INT, 1, 0 },
+ { itable_Condition_Register_OR_with_Complement, UNIT_INT, 1, 0 },
+ { itable_Condition_Register_XOR, UNIT_INT, 1, 0 },
+ { itable_Count_Leading_Zeros_Word, UNIT_INT, 1, 0 },
+ { itable_Data_Cache_Block_Flush, UNIT_MEM, 1, 0 },
+ { itable_Data_Cache_Block_Invalidate, UNIT_MEM, 1, 0 },
+ { itable_Data_Cache_Block_Store, UNIT_MEM, 1, 0 },
+ { itable_Data_Cache_Block_Touch, UNIT_MEM, 1, 0 },
+ { itable_Data_Cache_Block_Touch_for_Store, UNIT_MEM, 1, 0 },
+ { itable_Data_Cache_Block_set_to_Zero, UNIT_MEM, 3, 0 },
+ { itable_Divide_Word, UNIT_CINT, 20, 0 },
+ { itable_Divide_Word_Unsigned, UNIT_CINT, 20, 0 },
+ { itable_Enforce_Inorder_Execution_of_IO, UNIT_INT, 1, 0 },
+ { itable_Equivalent, UNIT_INT, 1, 0 },
+ { itable_Extend_Sign_Byte, UNIT_INT, 1, 0 },
+ { itable_Extend_Sign_Half_Word, UNIT_INT, 1, 0 },
+ { itable_External_Control_In_Word_Indexed, UNIT_MEM, 2, 0 },
+ { itable_External_Control_Out_Word_Indexed, UNIT_MEM, 3, 0 },
+ { itable_Floating_Absolute_Value, UNIT_FPU, 3, 0 },
+ { itable_Floating_Add, UNIT_FPU, 3, 0 },
+ { itable_Floating_Add_Single, UNIT_FPU, 3, 0 },
+ { itable_Floating_Compare_Ordered, UNIT_FPU, 3, 0 },
+ { itable_Floating_Compare_Unordered, UNIT_FPU, 3, 0 },
+ { itable_Floating_Convert_To_Integer_Word, UNIT_FPU, 3, 0 },
+ { itable_Floating_Convert_To_Integer_Word_with_round_towards_Zero, UNIT_FPU, 3, 0 },
+ { itable_Floating_Divide, UNIT_FPU, 32, 0 },
+ { itable_Floating_Divide_Single, UNIT_FPU, 18, 0 },
+ { itable_Floating_Move_Register, UNIT_FPU, 3, 0 },
+ { itable_Floating_Multiply, UNIT_FPU, 3, 0 },
+ { itable_Floating_MultiplyAdd, UNIT_FPU, 3, 0 },
+ { itable_Floating_MultiplyAdd_Single, UNIT_FPU, 3, 0 },
+ { itable_Floating_MultiplySubtract, UNIT_FPU, 3, 0 },
+ { itable_Floating_MultiplySubtract_Single, UNIT_FPU, 3, 0 },
+ { itable_Floating_Multiply_Single, UNIT_FPU, 3, 0 },
+ { itable_Floating_Negate, UNIT_FPU, 3, 0 },
+ { itable_Floating_Negative_Absolute_Value, UNIT_FPU, 3, 0 },
+ { itable_Floating_Negative_MultiplyAdd, UNIT_FPU, 3, 0 },
+ { itable_Floating_Negative_MultiplyAdd_Single, UNIT_FPU, 3, 0 },
+ { itable_Floating_Negative_MultiplySubtract, UNIT_FPU, 3, 0 },
+ { itable_Floating_Negative_MultiplySubtract_Single, UNIT_FPU, 3, 0 },
+ { itable_Floating_Reciprocal_Estimate_Single, UNIT_FPU, 18, 0 },
+ { itable_Floating_Reciprocal_Square_Root_Estimate, UNIT_FPU, 3, 0 },
+ { itable_Floating_Round_to_SinglePrecision, UNIT_FPU, 3, 0 },
+ { itable_Floating_Select, UNIT_FPU, 3, 0 },
+ { itable_Floating_Square_Root, UNIT_UNKNOWN, 0, 0 },
+ { itable_Floating_Square_Root_Single, UNIT_UNKNOWN, 0, 0 },
+ { itable_Floating_Subtract, UNIT_FPU, 3, 0 },
+ { itable_Floating_Subtract_Single, UNIT_FPU, 3, 0 },
+ { itable_Instruction_Cache_Block_Invalidate, UNIT_MEM, 1, 0 },
+ { itable_Instruction_Synchronize, UNIT_INT, 1, 0 },
+ { itable_Load_Byte_and_Zero, UNIT_MEM, 2, LOAD },
+ { itable_Load_Byte_and_Zero_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Load_Byte_and_Zero_with_Update, UNIT_MEM, 2, LOAD },
+ { itable_Load_Byte_and_Zero_with_Update_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Load_FloatingPoint_Double, UNIT_MEM, 3, LOAD },
+ { itable_Load_FloatingPoint_Double_Indexed, UNIT_MEM, 3, LOAD },
+ { itable_Load_FloatingPoint_Double_with_Update, UNIT_MEM, 3, LOAD },
+ { itable_Load_FloatingPoint_Double_with_Update_Indexed, UNIT_MEM, 3, LOAD },
+ { itable_Load_FloatingPoint_Single, UNIT_MEM, 3, LOAD },
+ { itable_Load_FloatingPoint_Single_Indexed, UNIT_MEM, 3, LOAD },
+ { itable_Load_FloatingPoint_Single_with_Update, UNIT_MEM, 3, LOAD },
+ { itable_Load_FloatingPoint_Single_with_Update_Indexed, UNIT_MEM, 3, LOAD },
+ { itable_Load_Halfword_Algebraic, UNIT_MEM, 2, LOAD },
+ { itable_Load_Halfword_Algebraic_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Load_Halfword_Algebraic_with_Update, UNIT_MEM, 2, LOAD },
+ { itable_Load_Halfword_Algebraic_with_Update_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Load_Halfword_ByteReverse_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Load_Halfword_and_Zero, UNIT_MEM, 2, LOAD },
+ { itable_Load_Halfword_and_Zero_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Load_Halfword_and_Zero_with_Update, UNIT_MEM, 2, LOAD },
+ { itable_Load_Halfword_and_Zero_with_Update_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Load_Multiple_Word, UNIT_MEM, 2, LOAD },
+ { itable_Load_String_Word_Immediate, UNIT_MEM, 2, LOAD },
+ { itable_Load_String_Word_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Load_Word_And_Reserve_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Load_Word_ByteReverse_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Load_Word_and_Zero, UNIT_MEM, 2, LOAD },
+ { itable_Load_Word_and_Zero_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Load_Word_and_Zero_with_Update, UNIT_MEM, 2, LOAD },
+ { itable_Load_Word_and_Zero_with_Update_Indexed, UNIT_MEM, 2, LOAD },
+ { itable_Move_Condition_Register_Field, UNIT_BRANCH, 1, 0 },
+ { itable_Move_From_Condition_Register, UNIT_CINT, 3, 0 },
+ { itable_Move_From_FPSCR, UNIT_FPU, 3, 0 },
+ { itable_Move_From_Machine_State_Register, UNIT_CINT, 3, 0 },
+ { itable_Move_From_Segment_Register, UNIT_CINT, 3, 0 },
+ { itable_Move_From_Segment_Register_Indirect, UNIT_CINT, 3, 0 },
+ { itable_Move_From_Time_Base, UNIT_CINT, 3, 0 },
+ { itable_Move_To_FPSCR_Bit_0, UNIT_FPU, 3, 0 },
+ { itable_Move_To_FPSCR_Bit_1, UNIT_FPU, 3, 0 },
+ { itable_Move_To_FPSCR_Field_Immediate, UNIT_FPU, 3, 0 },
+ { itable_Move_To_FPSCR_Fields, UNIT_FPU, 3, 0 },
+ { itable_Move_To_Machine_State_Register, UNIT_CINT, 1, 0 },
+ { itable_Move_To_Segment_Register, UNIT_CINT, 1, 0 },
+ { itable_Move_To_Segment_Register_Indirect, UNIT_CINT, 1, 0 },
+ { itable_Move_from_Special_Purpose_Register, UNIT_CINT, 1, 0 },
+ { itable_Move_to_Condition_Register_Fields, UNIT_CINT, 1, 0 },
+ { itable_Move_to_Condition_Register_from_FPSCR, UNIT_FPU, 3, 0 },
+ { itable_Move_to_Condition_Register_from_XER, UNIT_CINT, 3, 0 },
+ { itable_Move_to_Special_Purpose_Register, UNIT_CINT, 1, 0 },
+ { itable_Multiply_High_Word, UNIT_CINT, 4, 0 },
+ { itable_Multiply_High_Word_Unsigned, UNIT_CINT, 4, 0 },
+ { itable_Multiply_Low_Immediate, UNIT_CINT, 3, 0 },
+ { itable_Multiply_Low_Word, UNIT_CINT, 4, 0 },
+ { itable_NAND, UNIT_INT, 1, 0 },
+ { itable_NOR, UNIT_INT, 1, 0 },
+ { itable_Negate, UNIT_INT, 1, 0 },
+ { itable_OR, UNIT_INT, 1, 0 },
+ { itable_OR_Immediate, UNIT_INT, 1, 0 },
+ { itable_OR_Immediate_Shifted, UNIT_INT, 1, 0 },
+ { itable_OR_with_Complement, UNIT_INT, 1, 0 },
+ { itable_Return_From_Interrupt, UNIT_INT, 3, 0 },
+ { itable_Rotate_Left_Word_Immediate_then_AND_with_Mask, UNIT_INT, 1, 0 },
+ { itable_Rotate_Left_Word_Immediate_then_Mask_Insert, UNIT_INT, 1, 0 },
+ { itable_Rotate_Left_Word_then_AND_with_Mask, UNIT_INT, 1, 0 },
+ { itable_Shift_Left_Word, UNIT_INT, 1, 0 },
+ { itable_Shift_Right_Algebraic_Word, UNIT_INT, 1, 0 },
+ { itable_Shift_Right_Algebraic_Word_Immediate, UNIT_INT, 1, 0 },
+ { itable_Shift_Right_Word, UNIT_INT, 1, 0 },
+ { itable_Store_Byte, UNIT_MEM, 3, STORE },
+ { itable_Store_Byte_Indexed, UNIT_MEM, 3, STORE },
+ { itable_Store_Byte_with_Update, UNIT_MEM, 3, STORE },
+ { itable_Store_Byte_with_Update_Indexed, UNIT_MEM, 3, STORE },
+ { itable_Store_FloatingPoint_Double, UNIT_MEM, 3, STORE },
+ { itable_Store_FloatingPoint_Double_Indexed, UNIT_MEM, 3, STORE },
+ { itable_Store_FloatingPoint_Double_with_Update, UNIT_MEM, 3, STORE },
+ { itable_Store_FloatingPoint_Double_with_Update_Indexed, UNIT_MEM, 3, STORE },
+ { itable_Store_FloatingPoint_Single, UNIT_MEM, 3, STORE },
+ { itable_Store_FloatingPoint_Single_Indexed, UNIT_MEM, 3, STORE },
+ { itable_Store_FloatingPoint_Single_with_Update, UNIT_MEM, 3, STORE },
+ { itable_Store_FloatingPoint_Single_with_Update_Indexed, UNIT_MEM, 3, STORE },
+ { itable_Store_FloatingPoint_as_Integer_Word_Indexed, UNIT_MEM, 3, STORE },
+ { itable_Store_Half_Word, UNIT_MEM, 3, STORE },
+ { itable_Store_Half_Word_ByteReversed_Indexed, UNIT_MEM, 3, STORE },
+ { itable_Store_Half_Word_Indexed, UNIT_MEM, 3, STORE },
+ { itable_Store_Half_Word_with_Update, UNIT_MEM, 3, STORE },
+ { itable_Store_Half_Word_with_Update_Indexed, UNIT_MEM, 3, STORE },
+ { itable_Store_Multiple_Word, UNIT_MEM, 3, STORE },
+ { itable_Store_String_Word_Immedate, UNIT_MEM, 3, STORE },
+ { itable_Store_String_Word_Indexed, UNIT_MEM, 3, STORE },
+ { itable_Store_Word, UNIT_MEM, 3, STORE },
+ { itable_Store_Word_ByteReversed_Indexed, UNIT_MEM, 3, STORE },
+ { itable_Store_Word_Conditional_Indexed, UNIT_MEM, 3, STORE },
+ { itable_Store_Word_Indexed, UNIT_MEM, 3, STORE },
+ { itable_Store_Word_with_Update, UNIT_MEM, 3, STORE },
+ { itable_Store_Word_with_Update_Indexed, UNIT_MEM, 3, STORE },
+ { itable_Subtract_From, UNIT_INT, 1, 0 },
+ { itable_Subtract_From_Carrying, UNIT_INT, 1, 0 },
+ { itable_Subtract_From_Extended, UNIT_INT, 1, 0 },
+ { itable_Subtract_From_Immediate_Carrying, UNIT_INT, 1, 0 },
+ { itable_Subtract_From_Minus_One_Extended, UNIT_INT, 1, 0 },
+ { itable_Subtract_from_Zero_Extended, UNIT_INT, 1, 0 },
+ { itable_Synchronize, UNIT_INT, 1, 0 },
+ { itable_System_Call, UNIT_MEM, 1, 0 },
+ { itable_TLB_Invalidate_All, UNIT_MEM, 1, 0 },
+ { itable_TLB_Invalidate_Entry, UNIT_MEM, 1, 0 },
+ { itable_TLB_Sychronize, UNIT_MEM, 1, 0 },
+ { itable_Trap_Word, UNIT_INT, 1, 0 },
+ { itable_Trap_Word_Immediate, UNIT_INT, 1, 0 },
+ { itable_XOR, UNIT_INT, 1, 0 },
+ { itable_XOR_Immediate, UNIT_INT, 1, 0 },
+ { itable_XOR_Immediate_Shifted, UNIT_INT, 1, 0 },
+ { nr_itable_entries, UNIT_UNKNOWN, -1, 0 },
+};
+
+\f
+INLINE_FUNCTION_UNIT function_unit *
+function_unit_create(void)
+{
+ function_unit *new_func;
+ timing *timing_ptr;
+
+ if (!WITH_FUNCTION_UNIT)
+ return (function_unit *)0;
+
+ new_func = ZALLOC(function_unit);
+
+ /* Get the model specific timing information */
+ switch (CURRENT_PPC_MODEL) {
+ default: timing_ptr = (timing *)0; break;
+ case PPC_MODEL_603: timing_ptr = time_603; break;
+ case PPC_MODEL_603e: timing_ptr = time_603; break;
+ case PPC_MODEL_604: timing_ptr = time_604; break;
+ }
+
+ /* If we have it, provide model specific timing info */
+ if (timing_ptr) {
+ for (; timing_ptr->cycles >= 0; timing_ptr++) {
+ int i = (int)timing_ptr->index;
+ unit_index unit = timing_ptr->unit;
+
+ /* The 603 as compared to the 603e doesn't support putting add/cmp instructions
+ in the system register unit, so convert these instructions back to normal
+ integer instructions. */
+ if (CURRENT_PPC_MODEL == PPC_MODEL_603 && unit == UNIT_SINT)
+ unit = UNIT_INT;
+
+ new_func->time[i].unit = unit;
+ new_func->time[i].cycles = timing_ptr->cycles;
+ new_func->time[i].flags = timing_ptr->flags;
+ }
+ }
+
+ return new_func;
+}
+
+INLINE_FUNCTION_UNIT void
+function_unit_init(function_unit *func_unit)
+{
+ func_unit->old_program_counter = 0;
+}
+
+INLINE_FUNCTION_UNIT void
+function_unit_halt(cpu *processor,
+ function_unit *func_unit)
+{
+}
+
+INLINE_FUNCTION_UNIT function_unit_print *
+function_unit_mon_info(function_unit *func_unit)
+{
+ function_unit_print *head;
+ function_unit_print *tail;
+ int i;
+
+ head = tail = ZALLOC(function_unit_print);
+ tail->count = func_unit->nr_stalls;
+ tail->name = "stall";
+ tail->suffix_plural = "s";
+ tail->suffix_singular = "";
+
+ tail->next = ZALLOC(function_unit_print);
+ tail = tail->next;
+ tail->count = func_unit->nr_branches;
+ tail->name = "branch";
+ tail->suffix_plural = "es";
+ tail->suffix_singular = "";
+
+ for (i = 0; i < (int)NR_UNITS; i++) {
+ if (func_unit->nr_units[i]) {
+ tail->next = ZALLOC(function_unit_print);
+ tail = tail->next;
+ tail->count = func_unit->nr_units[i];
+ tail->name = unit_names[i];
+ tail->suffix_plural = "s";
+ tail->suffix_singular = "";
+ }
+ }
+
+ tail->next = (function_unit_print *)0;
+ return head;
+}
+
+INLINE_FUNCTION_UNIT void
+function_unit_mon_free(function_unit *func_unit,
+ function_unit_print *ptr)
+{
+ function_unit_print *next;
+
+ while (ptr) {
+ next = ptr->next;
+ free((void *)ptr);
+ ptr = next;
+ }
+}
+
+INLINE_FUNCTION_UNIT void
+function_unit_issue(itable_index index,
+ function_unit *func_unit,
+ unsigned_word cia)
+{
+ if (func_unit->old_program_counter+4 != cia)
+ func_unit->nr_branches++;
+
+ func_unit->old_program_counter = cia;
+ func_unit->nr_units[ (int)func_unit->time[ (int)index ].unit ]++;
+}
+
+INLINE_FUNCTION_UNIT void
+function_unit_model(const char *model)
+{
+ if (!strcmp (model, "601"))
+ current_ppc_model = PPC_MODEL_601;
+ else if (!strcmp (model, "602"))
+ current_ppc_model = PPC_MODEL_602;
+ else if (!strcmp (model, "603"))
+ current_ppc_model = PPC_MODEL_603;
+ else if (!strcmp (model, "603e"))
+ current_ppc_model = PPC_MODEL_603e;
+ else if (!strcmp (model, "604"))
+ current_ppc_model = PPC_MODEL_604;
+ else if (!strcmp (model, "403"))
+ current_ppc_model = PPC_MODEL_403;
+ else if (!strcmp (model, "505"))
+ current_ppc_model = PPC_MODEL_505;
+ else if (!strcmp (model, "821"))
+ current_ppc_model = PPC_MODEL_821;
+ else if (!strcmp (model, "860"))
+ current_ppc_model = PPC_MODEL_860;
+ else
+ error ("Unknown PowerPC model %s", model);
+}
+
+#endif /* _FUNCTION_UNIT_C_ */
projects / external / binutils.git / commitdiff