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# Copyright (c) 2014-2017, 2020 ARM Limited
# All rights reserved.
#
# The license below extends only to copyright in the software and shall
# not be construed as granting a license to any other intellectual
# property including but not limited to intellectual property relating
# to a hardware implementation of the functionality of the software
# licensed hereunder. You may use the software subject to the license
# terms below provided that you ensure that this notice is replicated
# unmodified and in its entirety in all distributions of the software,
# modified or unmodified, in source code or in binary form.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met: redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer;
# redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution;
# neither the name of the copyright holders nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""The High-Performance In-order (HPI) CPU timing model is tuned to be
representative of a modern in-order ARMv8-A implementation. The HPI
core and its supporting simulation scripts, namely starter_se.py and
starter_fs.py (under /configs/example/arm/) are part of the ARM
Research Starter Kit on System Modeling. More information can be found
at: http://www.arm.com/ResearchEnablement/SystemModeling
"""
from m5.objects import *
# Simple function to allow a string of [01x_] to be converted into a
# mask and value for use with MinorFUTiming
def make_implicant(implicant_string):
ret_mask = 0
ret_match = 0
shift = False
for char in implicant_string:
char = char.lower()
if shift:
ret_mask <<= 1
ret_match <<= 1
shift = True
if char == "_":
shift = False
elif char == "0":
ret_mask |= 1
elif char == "1":
ret_mask |= 1
ret_match |= 1
elif char == "x":
pass
else:
print("Can't parse implicant character", char)
return (ret_mask, ret_match)
# ,----- 36 thumb
# | ,--- 35 bigThumb
# | |,-- 34 aarch64
a64_inst = make_implicant("0_01xx__xxxx_xxxx_xxxx_xxxx__xxxx_xxxx_xxxx_xxxx")
a32_inst = make_implicant("0_00xx__xxxx_xxxx_xxxx_xxxx__xxxx_xxxx_xxxx_xxxx")
t32_inst = make_implicant("1_10xx__xxxx_xxxx_xxxx_xxxx__xxxx_xxxx_xxxx_xxxx")
t16_inst = make_implicant("1_00xx__xxxx_xxxx_xxxx_xxxx__xxxx_xxxx_xxxx_xxxx")
any_inst = make_implicant("x_xxxx__xxxx_xxxx_xxxx_xxxx__xxxx_xxxx_xxxx_xxxx")
# | ||
any_a64_inst = make_implicant(
"x_x1xx__xxxx_xxxx_xxxx_xxxx__xxxx_xxxx_xxxx_xxxx"
)
any_non_a64_inst = make_implicant(
"x_x0xx__xxxx_xxxx_xxxx_xxxx__xxxx_xxxx_xxxx_xxxx"
)
def encode_opcode(pattern):
def encode(opcode_string):
a64_mask, a64_match = pattern
mask, match = make_implicant(opcode_string)
return (a64_mask | mask), (a64_match | match)
return encode
a64_opcode = encode_opcode(a64_inst)
a32_opcode = encode_opcode(a32_inst)
t32_opcode = encode_opcode(t32_inst)
t16_opcode = encode_opcode(t16_inst)
# These definitions (in some form) should probably be part of TimingExpr
def literal(value):
def body(env):
ret = TimingExprLiteral()
ret.value = value
return ret
return body
def bin(op, left, right):
def body(env):
ret = TimingExprBin()
ret.op = "timingExpr" + op
ret.left = left(env)
ret.right = right(env)
return ret
return body
def un(op, arg):
def body(env):
ret = TimingExprUn()
ret.op = "timingExpr" + op
ret.arg = arg(env)
return ret
return body
def ref(name):
def body(env):
if name in env:
ret = TimingExprRef()
ret.index = env[name]
else:
print("Invalid expression name", name)
ret = TimingExprNull()
return ret
return body
def if_expr(cond, true_expr, false_expr):
def body(env):
ret = TimingExprIf()
ret.cond = cond(env)
ret.trueExpr = true_expr(env)
ret.falseExpr = false_expr(env)
return ret
return body
def src_reg(index):
def body(env):
ret = TimingExprSrcReg()
ret.index = index
return ret
return body
def let(bindings, expr):
def body(env):
ret = TimingExprLet()
let_bindings = []
new_env = {}
i = 0
# Make the sub-expression as null to start with
for name, binding in bindings:
new_env[name] = i
i += 1
defns = []
# Then apply them to the produced new env
for i in range(0, len(bindings)):
name, binding_expr = bindings[i]
defns.append(binding_expr(new_env))
ret.defns = defns
ret.expr = expr(new_env)
return ret
return body
def expr_top(expr):
return expr([])
class HPI_DefaultInt(MinorFUTiming):
description = "HPI_DefaultInt"
mask, match = any_non_a64_inst
srcRegsRelativeLats = [3, 3, 2, 2, 2, 1, 0]
class HPI_DefaultA64Int(MinorFUTiming):
description = "HPI_DefaultA64Int"
mask, match = any_a64_inst
# r, l, (c)
srcRegsRelativeLats = [2, 2, 2, 0]
class HPI_DefaultMul(MinorFUTiming):
description = "HPI_DefaultMul"
mask, match = any_non_a64_inst
# f, f, f, r, l, a?
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 0]
class HPI_DefaultA64Mul(MinorFUTiming):
description = "HPI_DefaultA64Mul"
mask, match = any_a64_inst
# a (zr for mul), l, r
srcRegsRelativeLats = [0, 0, 0, 0]
# extraCommitLat = 1
class HPI_DefaultVfp(MinorFUTiming):
description = "HPI_DefaultVfp"
mask, match = any_non_a64_inst
# cpsr, z, z, z, cpacr, fpexc, l_lo, r_lo, l_hi, r_hi (from vadd2h)
srcRegsRelativeLats = [5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 0]
class HPI_DefaultA64Vfp(MinorFUTiming):
description = "HPI_DefaultA64Vfp"
mask, match = any_a64_inst
# cpsr, cpacr_el1, fpscr_exc, ...
srcRegsRelativeLats = [5, 5, 5, 2]
class HPI_FMADD_A64(MinorFUTiming):
description = "HPI_FMADD_A64"
mask, match = a64_opcode("0001_1111_0x0x_xxxx__0xxx_xxxx_xxxx_xxxx")
# t
# cpsr, cpacr_el1, fpscr_exc, 1, 1, 2, 2, 3, 3, fpscr_exc, d, d, d, d
srcRegsRelativeLats = [5, 5, 5, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0]
class HPI_FMSUB_D_A64(MinorFUTiming):
description = "HPI_FMSUB_D_A64"
mask, match = a64_opcode("0001_1111_0x0x_xxxx__1xxx_xxxx_xxxx_xxxx")
# t
# cpsr, cpacr_el1, fpscr_exc, 1, 1, 2, 2, 3, 3, fpscr_exc, d, d, d, d
srcRegsRelativeLats = [5, 5, 5, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0]
class HPI_FMOV_A64(MinorFUTiming):
description = "HPI_FMOV_A64"
mask, match = a64_opcode("0001_1110_0x10_0000__0100_00xx_xxxx_xxxx")
# cpsr, cpacr_el1, fpscr_exc, 1, 1, 2, 2, 3, 3, fpscr_exc, d, d, d, d
srcRegsRelativeLats = [5, 5, 5, 0]
class HPI_ADD_SUB_vector_scalar_A64(MinorFUTiming):
description = "HPI_ADD_SUB_vector_scalar_A64"
mask, match = a64_opcode("01x1_1110_xx1x_xxxx__1000_01xx_xxxx_xxxx")
# cpsr, z, z, z, cpacr, fpexc, l0, r0, l1, r1, l2, r2, l3, r3 (for vadd2h)
srcRegsRelativeLats = [5, 5, 5, 4]
class HPI_ADD_SUB_vector_vector_A64(MinorFUTiming):
description = "HPI_ADD_SUB_vector_vector_A64"
mask, match = a64_opcode("0xx0_1110_xx1x_xxxx__1000_01xx_xxxx_xxxx")
# cpsr, z, z, z, cpacr, fpexc, l0, r0, l1, r1, l2, r2, l3, r3 (for vadd2h)
srcRegsRelativeLats = [5, 5, 5, 4]
class HPI_FDIV_scalar_32_A64(MinorFUTiming):
description = "HPI_FDIV_scalar_32_A64"
mask, match = a64_opcode("0001_1110_001x_xxxx__0001_10xx_xxxx_xxxx")
extraCommitLat = 6
srcRegsRelativeLats = [0, 0, 0, 20, 4]
class HPI_FDIV_scalar_64_A64(MinorFUTiming):
description = "HPI_FDIV_scalar_64_A64"
mask, match = a64_opcode("0001_1110_011x_xxxx__0001_10xx_xxxx_xxxx")
extraCommitLat = 15
srcRegsRelativeLats = [0, 0, 0, 20, 4]
# CINC CINV CSEL CSET CSETM CSINC CSINC CSINV CSINV CSNEG
class HPI_Cxxx_A64(MinorFUTiming):
description = "HPI_Cxxx_A64"
mask, match = a64_opcode("xx01_1010_100x_xxxx_xxxx__0xxx_xxxx_xxxx")
srcRegsRelativeLats = [3, 3, 3, 2, 2]
class HPI_DefaultMem(MinorFUTiming):
description = "HPI_DefaultMem"
mask, match = any_non_a64_inst
srcRegsRelativeLats = [1, 1, 1, 1, 1, 2]
# Assume that LDR/STR take 2 cycles for resolving dependencies
# (1 + 1 of the FU)
extraAssumedLat = 2
class HPI_DefaultMem64(MinorFUTiming):
description = "HPI_DefaultMem64"
mask, match = any_a64_inst
srcRegsRelativeLats = [2]
# Assume that LDR/STR take 2 cycles for resolving dependencies
# (1 + 1 of the FU)
extraAssumedLat = 3
class HPI_DataProcessingMovShiftr(MinorFUTiming):
description = "HPI_DataProcessingMovShiftr"
mask, match = a32_opcode("xxxx_0001_101x_xxxx__xxxx_xxxx_xxx1_xxxx")
srcRegsRelativeLats = [3, 3, 2, 2, 2, 1, 0]
class HPI_DataProcessingMayShift(MinorFUTiming):
description = "HPI_DataProcessingMayShift"
mask, match = a32_opcode("xxxx_000x_xxxx_xxxx__xxxx_xxxx_xxxx_xxxx")
srcRegsRelativeLats = [3, 3, 2, 2, 1, 1, 0]
class HPI_DataProcessingNoShift(MinorFUTiming):
description = "HPI_DataProcessingNoShift"
mask, match = a32_opcode("xxxx_000x_xxxx_xxxx__xxxx_0000_0xx0_xxxx")
srcRegsRelativeLats = [3, 3, 2, 2, 2, 1, 0]
class HPI_DataProcessingAllowShifti(MinorFUTiming):
description = "HPI_DataProcessingAllowShifti"
mask, match = a32_opcode("xxxx_000x_xxxx_xxxx__xxxx_xxxx_xxx0_xxxx")
srcRegsRelativeLats = [3, 3, 2, 2, 1, 1, 0]
class HPI_DataProcessingSuppressShift(MinorFUTiming):
description = "HPI_DataProcessingSuppressShift"
mask, match = a32_opcode("xxxx_000x_xxxx_xxxx__xxxx_xxxx_xxxx_xxxx")
srcRegsRelativeLats = []
suppress = True
class HPI_DataProcessingSuppressBranch(MinorFUTiming):
description = "HPI_DataProcessingSuppressBranch"
mask, match = a32_opcode("xxxx_1010_xxxx_xxxx__xxxx_xxxx_xxxx_xxxx")
srcRegsRelativeLats = []
suppress = True
class HPI_BFI_T1(MinorFUTiming):
description = "HPI_BFI_T1"
mask, match = t32_opcode("1111_0x11_0110_xxxx__0xxx_xxxx_xxxx_xxxx")
srcRegsRelativeLats = [0, 0, 0, 1, 1, 0]
class HPI_BFI_A1(MinorFUTiming):
description = "HPI_BFI_A1"
mask, match = a32_opcode("xxxx_0111_110x_xxxx__xxxx_xxxx_x001_xxxx")
# f, f, f, dest, src
srcRegsRelativeLats = [0, 0, 0, 1, 1, 0]
class HPI_CLZ_T1(MinorFUTiming):
description = "HPI_CLZ_T1"
mask, match = t32_opcode("1111_1010_1011_xxxx__1111_xxxx_1000_xxxx")
srcRegsRelativeLats = [3, 3, 2, 2, 2, 1, 0]
class HPI_CLZ_A1(MinorFUTiming):
description = "HPI_CLZ_A1"
mask, match = a32_opcode("xxxx_0001_0110_xxxx__xxxx_xxxx_0001_xxxx")
srcRegsRelativeLats = [3, 3, 2, 2, 2, 1, 0]
class HPI_CMN_immediate_A1(MinorFUTiming):
description = "HPI_CMN_immediate_A1"
mask, match = a32_opcode("xxxx_0011_0111_xxxx__xxxx_xxxx_xxxx_xxxx")
srcRegsRelativeLats = [3, 3, 3, 2, 2, 3, 3, 3, 0]
class HPI_CMN_register_A1(MinorFUTiming):
description = "HPI_CMN_register_A1"
mask, match = a32_opcode("xxxx_0001_0111_xxxx__xxxx_xxxx_xxx0_xxxx")
srcRegsRelativeLats = [3, 3, 3, 2, 2, 3, 3, 3, 0]
class HPI_CMP_immediate_A1(MinorFUTiming):
description = "HPI_CMP_immediate_A1"
mask, match = a32_opcode("xxxx_0011_0101_xxxx__xxxx_xxxx_xxxx_xxxx")
srcRegsRelativeLats = [3, 3, 3, 2, 2, 3, 3, 3, 0]
class HPI_CMP_register_A1(MinorFUTiming):
description = "HPI_CMP_register_A1"
mask, match = a32_opcode("xxxx_0001_0101_xxxx__xxxx_xxxx_xxx0_xxxx")
srcRegsRelativeLats = [3, 3, 3, 2, 2, 3, 3, 3, 0]
class HPI_MLA_T1(MinorFUTiming):
description = "HPI_MLA_T1"
mask, match = t32_opcode("1111_1011_0000_xxxx__xxxx_xxxx_0000_xxxx")
# z, z, z, a, l?, r?
srcRegsRelativeLats = [0, 0, 0, 0, 0, 2, 0]
class HPI_MLA_A1(MinorFUTiming):
description = "HPI_MLA_A1"
mask, match = a32_opcode("xxxx_0000_001x_xxxx__xxxx_xxxx_1001_xxxx")
# z, z, z, a, l?, r?
srcRegsRelativeLats = [0, 0, 0, 0, 0, 2, 0]
class HPI_MADD_A64(MinorFUTiming):
description = "HPI_MADD_A64"
mask, match = a64_opcode("x001_1011_000x_xxxx__0xxx_xxxx_xxxx_xxxx")
# a, l?, r?
srcRegsRelativeLats = [1, 1, 1, 0]
extraCommitLat = 1
class HPI_MLS_T1(MinorFUTiming):
description = "HPI_MLS_T1"
mask, match = t32_opcode("1111_1011_0000_xxxx__xxxx_xxxx_0001_xxxx")
# z, z, z, l?, a, r?
srcRegsRelativeLats = [0, 0, 0, 2, 0, 0, 0]
class HPI_MLS_A1(MinorFUTiming):
description = "HPI_MLS_A1"
mask, match = a32_opcode("xxxx_0000_0110_xxxx__xxxx_xxxx_1001_xxxx")
# z, z, z, l?, a, r?
srcRegsRelativeLats = [0, 0, 0, 2, 0, 0, 0]
class HPI_MOVT_A1(MinorFUTiming):
description = "HPI_MOVT_A1"
mask, match = t32_opcode("xxxx_0010_0100_xxxx__xxxx_xxxx_xxxx_xxxx")
class HPI_MUL_T1(MinorFUTiming):
description = "HPI_MUL_T1"
mask, match = t16_opcode("0100_0011_01xx_xxxx")
class HPI_MUL_T2(MinorFUTiming):
description = "HPI_MUL_T2"
mask, match = t32_opcode("1111_1011_0000_xxxx_1111_xxxx_0000_xxxx")
class HPI_PKH_T1(MinorFUTiming):
description = "HPI_PKH_T1"
mask, match = t32_opcode("1110_1010_110x_xxxx__xxxx_xxxx_xxxx_xxxx")
srcRegsRelativeLats = [0, 0, 0, 2, 1, 0]
class HPI_PKH_A1(MinorFUTiming):
description = "HPI_PKH_A1"
mask, match = a32_opcode("xxxx_0110_1000_xxxx__xxxx_xxxx_xx01_xxxx")
srcRegsRelativeLats = [0, 0, 0, 2, 1, 0]
class HPI_QADD_QSUB_T1(MinorFUTiming):
description = "HPI_QADD_QSUB_T1"
mask, match = t32_opcode("1111_1010_1000_xxxx__1111_xxxx_10x0_xxxx")
srcRegsRelativeLats = [0, 0, 0, 1, 1, 0]
class HPI_QADD_QSUB_A1(MinorFUTiming):
description = "HPI_QADD_QSUB_A1"
mask, match = a32_opcode("xxxx_0001_00x0_xxxx__xxxx_xxxx_0101_xxxx")
srcRegsRelativeLats = [0, 0, 0, 1, 1, 0]
# T1 QADD16 QADD8 QSUB16 QSUB8 UQADD16 UQADD8 UQSUB16 UQSUB8
class HPI_QADD_ETC_T1(MinorFUTiming):
description = "HPI_QADD_ETC_T1"
mask, match = t32_opcode("1111_1010_1x0x_xxxx__1111_xxxx_0x01_xxxx")
srcRegsRelativeLats = [0, 0, 0, 1, 1, 0]
# A1 QADD16 QADD8 QSAX QSUB16 QSUB8 UQADD16 UQADD8 UQASX UQSAX UQSUB16 UQSUB8
class HPI_QADD_ETC_A1(MinorFUTiming):
description = "HPI_QADD_ETC_A1"
mask, match = a32_opcode("xxxx_0110_0x10_xxxx__xxxx_xxxx_xxx1_xxxx")
srcRegsRelativeLats = [0, 0, 0, 1, 1, 0]
class HPI_QASX_QSAX_UQASX_UQSAX_T1(MinorFUTiming):
description = "HPI_QASX_QSAX_UQASX_UQSAX_T1"
mask, match = t32_opcode("1111_1010_1x10_xxxx__1111_xxxx_0x01_xxxx")
srcRegsRelativeLats = [0, 0, 0, 1, 1, 0]
class HPI_QDADD_QDSUB_T1(MinorFUTiming):
description = "HPI_QDADD_QDSUB_T1"
mask, match = t32_opcode("1111_1010_1000_xxxx__1111_xxxx_10x1_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 1, 0]
class HPI_QDADD_QDSUB_A1(MinorFUTiming):
description = "HPI_QDADD_QSUB_A1"
mask, match = a32_opcode("xxxx_0001_01x0_xxxx__xxxx_xxxx_0101_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 1, 0]
class HPI_RBIT_A1(MinorFUTiming):
description = "HPI_RBIT_A1"
mask, match = a32_opcode("xxxx_0110_1111_xxxx__xxxx_xxxx_0011_xxxx")
srcRegsRelativeLats = [0, 0, 0, 1, 0]
class HPI_REV_REV16_A1(MinorFUTiming):
description = "HPI_REV_REV16_A1"
mask, match = a32_opcode("xxxx_0110_1011_xxxx__xxxx_xxxx_x011_xxxx")
srcRegsRelativeLats = [0, 0, 0, 1, 0]
class HPI_REVSH_A1(MinorFUTiming):
description = "HPI_REVSH_A1"
mask, match = a32_opcode("xxxx_0110_1111_xxxx__xxxx_xxxx_1011_xxxx")
srcRegsRelativeLats = [0, 0, 0, 1, 0]
class HPI_ADD_ETC_A1(MinorFUTiming):
description = "HPI_ADD_ETC_A1"
mask, match = a32_opcode("xxxx_0110_0xx1_xxxx__xxxx_xxxx_x001_xxxx")
srcRegsRelativeLats = [0, 0, 0, 2, 2, 0]
class HPI_ADD_ETC_T1(MinorFUTiming):
description = "HPI_ADD_ETC_A1"
mask, match = t32_opcode("1111_1010_100x_xxxx__1111_xxxx_0xx0_xxxx")
srcRegsRelativeLats = [0, 0, 0, 2, 2, 0]
class HPI_SASX_SHASX_UASX_UHASX_A1(MinorFUTiming):
description = "HPI_SASX_SHASX_UASX_UHASX_A1"
mask, match = a32_opcode("xxxx_0110_0xx1_xxxx__xxxx_xxxx_0011_xxxx")
srcRegsRelativeLats = [3, 3, 2, 2, 2, 1, 0]
class HPI_SBFX_UBFX_A1(MinorFUTiming):
description = "HPI_SBFX_UBFX_A1"
mask, match = a32_opcode("xxxx_0111_1x1x_xxxx__xxxx_xxxx_x101_xxxx")
srcRegsRelativeLats = [0, 0, 0, 1, 0]
### SDIV
sdiv_lat_expr = expr_top(
let(
[
("left", un("SignExtend32To64", src_reg(4))),
("right", un("SignExtend32To64", src_reg(3))),
(
"either_signed",
bin(
"Or",
bin("SLessThan", ref("left"), literal(0)),
bin("SLessThan", ref("right"), literal(0)),
),
),
("left_size", un("SizeInBits", un("Abs", ref("left")))),
(
"signed_adjust",
if_expr(ref("either_signed"), literal(1), literal(0)),
),
(
"right_size",
un(
"SizeInBits",
bin(
"UDiv",
un("Abs", ref("right")),
if_expr(ref("either_signed"), literal(4), literal(2)),
),
),
),
(
"left_minus_right",
if_expr(
bin("SLessThan", ref("left_size"), ref("right_size")),
literal(0),
bin("Sub", ref("left_size"), ref("right_size")),
),
),
],
bin(
"Add",
ref("signed_adjust"),
if_expr(
bin("Equal", ref("right"), literal(0)),
literal(0),
bin("UDiv", ref("left_minus_right"), literal(4)),
),
),
)
)
sdiv_lat_expr64 = expr_top(
let(
[
("left", un("SignExtend32To64", src_reg(0))),
("right", un("SignExtend32To64", src_reg(1))),
(
"either_signed",
bin(
"Or",
bin("SLessThan", ref("left"), literal(0)),
bin("SLessThan", ref("right"), literal(0)),
),
),
("left_size", un("SizeInBits", un("Abs", ref("left")))),
(
"signed_adjust",
if_expr(ref("either_signed"), literal(1), literal(0)),
),
(
"right_size",
un(
"SizeInBits",
bin(
"UDiv",
un("Abs", ref("right")),
if_expr(ref("either_signed"), literal(4), literal(2)),
),
),
),
(
"left_minus_right",
if_expr(
bin("SLessThan", ref("left_size"), ref("right_size")),
literal(0),
bin("Sub", ref("left_size"), ref("right_size")),
),
),
],
bin(
"Add",
ref("signed_adjust"),
if_expr(
bin("Equal", ref("right"), literal(0)),
literal(0),
bin("UDiv", ref("left_minus_right"), literal(4)),
),
),
)
)
class HPI_SDIV_A1(MinorFUTiming):
description = "HPI_SDIV_A1"
mask, match = a32_opcode("xxxx_0111_0001_xxxx__xxxx_xxxx_0001_xxxx")
extraCommitLat = 0
srcRegsRelativeLats = []
extraCommitLatExpr = sdiv_lat_expr
class HPI_SDIV_A64(MinorFUTiming):
description = "HPI_SDIV_A64"
mask, match = a64_opcode("x001_1010_110x_xxxx__0000_11xx_xxxx_xxxx")
extraCommitLat = 0
srcRegsRelativeLats = []
extraCommitLatExpr = sdiv_lat_expr64
### SEL
class HPI_SEL_A1(MinorFUTiming):
description = "HPI_SEL_A1"
mask, match = a32_opcode("xxxx_0110_1000_xxxx__xxxx_xxxx_1011_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 2, 2, 0]
class HPI_SEL_A1_Suppress(MinorFUTiming):
description = "HPI_SEL_A1_Suppress"
mask, match = a32_opcode("xxxx_0110_1000_xxxx__xxxx_xxxx_1011_xxxx")
srcRegsRelativeLats = []
suppress = True
class HPI_SHSAX_SSAX_UHSAX_USAX_A1(MinorFUTiming):
description = "HPI_SHSAX_SSAX_UHSAX_USAX_A1"
mask, match = a32_opcode("xxxx_0110_0xx1_xxxx__xxxx_xxxx_0101_xxxx")
# As Default
srcRegsRelativeLats = [3, 3, 2, 2, 2, 1, 0]
class HPI_USUB_ETC_A1(MinorFUTiming):
description = "HPI_USUB_ETC_A1"
mask, match = a32_opcode("xxxx_0110_0xx1_xxxx__xxxx_xxxx_x111_xxxx")
srcRegsRelativeLats = [0, 0, 0, 2, 2, 0]
class HPI_SMLABB_T1(MinorFUTiming):
description = "HPI_SMLABB_T1"
mask, match = t32_opcode("1111_1011_0001_xxxx__xxxx_xxxx_00xx_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 2, 0]
class HPI_SMLABB_A1(MinorFUTiming):
description = "HPI_SMLABB_A1"
mask, match = a32_opcode("xxxx_0001_0000_xxxx__xxxx_xxxx_1xx0_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 2, 0]
class HPI_SMLAD_T1(MinorFUTiming):
description = "HPI_SMLAD_T1"
mask, match = t32_opcode("1111_1011_0010_xxxx__xxxx_xxxx_000x_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 2, 0]
class HPI_SMLAD_A1(MinorFUTiming):
description = "HPI_SMLAD_A1"
mask, match = a32_opcode("xxxx_0111_0000_xxxx__xxxx_xxxx_00x1_xxxx")
# z, z, z, l, r, a
srcRegsRelativeLats = [0, 0, 0, 0, 0, 2, 0]
class HPI_SMLAL_T1(MinorFUTiming):
description = "HPI_SMLAL_T1"
mask, match = t32_opcode("1111_1011_1100_xxxx__xxxx_xxxx_0000_xxxx")
class HPI_SMLAL_A1(MinorFUTiming):
description = "HPI_SMLAL_A1"
mask, match = a32_opcode("xxxx_0000_111x_xxxx__xxxx_xxxx_1001_xxxx")
class HPI_SMLALBB_T1(MinorFUTiming):
description = "HPI_SMLALBB_T1"
mask, match = t32_opcode("1111_1011_1100_xxxx__xxxx_xxxx_10xx_xxxx")
class HPI_SMLALBB_A1(MinorFUTiming):
description = "HPI_SMLALBB_A1"
mask, match = a32_opcode("xxxx_0001_0100_xxxx__xxxx_xxxx_1xx0_xxxx")
class HPI_SMLALD_T1(MinorFUTiming):
description = "HPI_SMLALD_T1"
mask, match = t32_opcode("1111_1011_1100_xxxx__xxxx_xxxx_110x_xxxx")
class HPI_SMLALD_A1(MinorFUTiming):
description = "HPI_SMLALD_A1"
mask, match = a32_opcode("xxxx_0111_0100_xxxx__xxxx_xxxx_00x1_xxxx")
class HPI_SMLAWB_T1(MinorFUTiming):
description = "HPI_SMLAWB_T1"
mask, match = t32_opcode("1111_1011_0011_xxxx__xxxx_xxxx_000x_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 2, 0]
class HPI_SMLAWB_A1(MinorFUTiming):
description = "HPI_SMLAWB_A1"
mask, match = a32_opcode("xxxx_0001_0010_xxxx__xxxx_xxxx_1x00_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 2, 0]
class HPI_SMLSD_A1(MinorFUTiming):
description = "HPI_SMLSD_A1"
mask, match = a32_opcode("xxxx_0111_0000_xxxx__xxxx_xxxx_01x1_xxxx")
class HPI_SMLSLD_T1(MinorFUTiming):
description = "HPI_SMLSLD_T1"
mask, match = t32_opcode("1111_1011_1101_xxxx__xxxx_xxxx_110x_xxxx")
class HPI_SMLSLD_A1(MinorFUTiming):
description = "HPI_SMLSLD_A1"
mask, match = a32_opcode("xxxx_0111_0100_xxxx__xxxx_xxxx_01x1_xxxx")
class HPI_SMMLA_T1(MinorFUTiming):
description = "HPI_SMMLA_T1"
mask, match = t32_opcode("1111_1011_0101_xxxx__xxxx_xxxx_000x_xxxx")
# ^^^^ != 1111
srcRegsRelativeLats = [0, 0, 0, 2, 0, 0, 0]
class HPI_SMMLA_A1(MinorFUTiming):
description = "HPI_SMMLA_A1"
# Note that this must be after the encoding for SMMUL
mask, match = a32_opcode("xxxx_0111_0101_xxxx__xxxx_xxxx_00x1_xxxx")
# ^^^^ != 1111
srcRegsRelativeLats = [0, 0, 0, 2, 0, 0, 0]
class HPI_SMMLS_T1(MinorFUTiming):
description = "HPI_SMMLS_T1"
mask, match = t32_opcode("1111_1011_0110_xxxx__xxxx_xxxx_000x_xxxx")
srcRegsRelativeLats = [0, 0, 0, 2, 0, 0, 0]
class HPI_SMMLS_A1(MinorFUTiming):
description = "HPI_SMMLS_A1"
mask, match = a32_opcode("xxxx_0111_0101_xxxx__xxxx_xxxx_11x1_xxxx")
srcRegsRelativeLats = [0, 0, 0, 2, 0, 0, 0]
class HPI_SMMUL_T1(MinorFUTiming):
description = "HPI_SMMUL_T1"
mask, match = t32_opcode("1111_1011_0101_xxxx__1111_xxxx_000x_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0]
class HPI_SMMUL_A1(MinorFUTiming):
description = "HPI_SMMUL_A1"
mask, match = a32_opcode("xxxx_0111_0101_xxxx__1111_xxxx_00x1_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0]
class HPI_SMUAD_T1(MinorFUTiming):
description = "HPI_SMUAD_T1"
mask, match = t32_opcode("1111_1011_0010_xxxx__1111_xxxx_000x_xxxx")
class HPI_SMUAD_A1(MinorFUTiming):
description = "HPI_SMUAD_A1"
mask, match = a32_opcode("xxxx_0111_0000_xxxx__1111_xxxx_00x1_xxxx")
class HPI_SMULBB_T1(MinorFUTiming):
description = "HPI_SMULBB_T1"
mask, match = t32_opcode("1111_1011_0001_xxxx__1111_xxxx_00xx_xxxx")
class HPI_SMULBB_A1(MinorFUTiming):
description = "HPI_SMULBB_A1"
mask, match = a32_opcode("xxxx_0001_0110_xxxx__xxxx_xxxx_1xx0_xxxx")
class HPI_SMULL_T1(MinorFUTiming):
description = "HPI_SMULL_T1"
mask, match = t32_opcode("1111_1011_1000_xxxx__xxxx_xxxx_0000_xxxx")
class HPI_SMULL_A1(MinorFUTiming):
description = "HPI_SMULL_A1"
mask, match = a32_opcode("xxxx_0000_110x_xxxx__xxxx_xxxx_1001_xxxx")
class HPI_SMULWB_T1(MinorFUTiming):
description = "HPI_SMULWB_T1"
mask, match = t32_opcode("1111_1011_0011_xxxx__1111_xxxx_000x_xxxx")
class HPI_SMULWB_A1(MinorFUTiming):
description = "HPI_SMULWB_A1"
mask, match = a32_opcode("xxxx_0001_0010_xxxx__xxxx_xxxx_1x10_xxxx")
class HPI_SMUSD_T1(MinorFUTiming):
description = "HPI_SMUSD_T1"
mask, match = t32_opcode("1111_1011_0100_xxxx__1111_xxxx_000x_xxxx")
class HPI_SMUSD_A1(MinorFUTiming):
description = "HPI_SMUSD_A1"
mask, match = a32_opcode("xxxx_0111_0000_xxxx__1111_xxxx_01x1_xxxx")
class HPI_SSAT_USAT_no_shift_A1(MinorFUTiming):
description = "HPI_SSAT_USAT_no_shift_A1"
# Order *before* shift
mask, match = a32_opcode("xxxx_0110_1x1x_xxxx__xxxx_0000_0001_xxxx")
srcRegsRelativeLats = [0, 0, 0, 2, 0]
class HPI_SSAT_USAT_shift_A1(MinorFUTiming):
description = "HPI_SSAT_USAT_shift_A1"
# Order after shift
mask, match = a32_opcode("xxxx_0110_1x1x_xxxx__xxxx_xxxx_xx01_xxxx")
srcRegsRelativeLats = [0, 0, 0, 1, 0]
class HPI_SSAT16_USAT16_A1(MinorFUTiming):
description = "HPI_SSAT16_USAT16_A1"
mask, match = a32_opcode("xxxx_0110_1x10_xxxx__xxxx_xxxx_0011_xxxx")
srcRegsRelativeLats = [0, 0, 0, 2, 0]
class HPI_SXTAB_T1(MinorFUTiming):
description = "HPI_SXTAB_T1"
mask, match = t32_opcode("1111_1010_0100_xxxx__1111_xxxx_1xxx_xxxx")
srcRegsRelativeLats = [0, 0, 0, 1, 2, 0]
class HPI_SXTAB_SXTAB16_SXTAH_UXTAB_UXTAB16_UXTAH_A1(MinorFUTiming):
description = "HPI_SXTAB_SXTAB16_SXTAH_UXTAB_UXTAB16_UXTAH_A1"
# Place AFTER HPI_SXTB_SXTB16_SXTH_UXTB_UXTB16_UXTH_A1
# e6[9d][^f]0070 are undefined
mask, match = a32_opcode("xxxx_0110_1xxx_xxxx__xxxx_xxxx_0111_xxxx")
srcRegsRelativeLats = [0, 0, 0, 1, 2, 0]
class HPI_SXTAB16_T1(MinorFUTiming):
description = "HPI_SXTAB16_T1"
mask, match = t32_opcode("1111_1010_0010_xxxx__1111_xxxx_1xxx_xxxx")
srcRegsRelativeLats = [0, 0, 0, 1, 2, 0]
class HPI_SXTAH_T1(MinorFUTiming):
description = "HPI_SXTAH_T1"
mask, match = t32_opcode("1111_1010_0000_xxxx__1111_xxxx_1xxx_xxxx")
srcRegsRelativeLats = [0, 0, 0, 1, 2, 0]
class HPI_SXTB_T1(MinorFUTiming):
description = "HPI_SXTB_T1"
mask, match = t16_opcode("1011_0010_01xx_xxxx")
class HPI_SXTB_T2(MinorFUTiming):
description = "HPI_SXTB_T2"
mask, match = t32_opcode("1111_1010_0100_1111__1111_xxxx_1xxx_xxxx")
srcRegsRelativeLats = [0, 0, 0, 1, 2, 0]
class HPI_SXTB_SXTB16_SXTH_UXTB_UXTB16_UXTH_A1(MinorFUTiming):
description = "HPI_SXTB_SXTB16_SXTH_UXTB_UXTB16_UXTH_A1"
# e6[9d]f0070 are undefined
mask, match = a32_opcode("xxxx_0110_1xxx_1111__xxxx_xxxx_0111_xxxx")
srcRegsRelativeLats = [0, 0, 0, 2, 0]
class HPI_SXTB16_T1(MinorFUTiming):
description = "HPI_SXTB16_T1"
mask, match = t32_opcode("1111_1010_0010_1111__1111_xxxx_1xxx_xxxx")
srcRegsRelativeLats = [0, 0, 0, 1, 2, 0]
class HPI_SXTH_T1(MinorFUTiming):
description = "HPI_SXTH_T1"
mask, match = t16_opcode("1011_0010_00xx_xxxx")
class HPI_SXTH_T2(MinorFUTiming):
description = "HPI_SXTH_T2"
mask, match = t32_opcode("1111_1010_0000_1111__1111_xxxx_1xxx_xxxx")
srcRegsRelativeLats = [0, 0, 0, 1, 2, 0]
class HPI_UDIV_T1(MinorFUTiming):
description = "HPI_UDIV_T1"
mask, match = t32_opcode("1111_1011_1011_xxxx__xxxx_xxxx_1111_xxxx")
udiv_lat_expr = expr_top(
let(
[
("left", src_reg(4)),
("right", src_reg(3)),
("left_size", un("SizeInBits", ref("left"))),
(
"right_size",
un("SizeInBits", bin("UDiv", ref("right"), literal(2))),
),
(
"left_minus_right",
if_expr(
bin("SLessThan", ref("left_size"), ref("right_size")),
literal(0),
bin("Sub", ref("left_size"), ref("right_size")),
),
),
],
if_expr(
bin("Equal", ref("right"), literal(0)),
literal(0),
bin("UDiv", ref("left_minus_right"), literal(4)),
),
)
)
class HPI_UDIV_A1(MinorFUTiming):
description = "HPI_UDIV_A1"
mask, match = a32_opcode("xxxx_0111_0011_xxxx__xxxx_xxxx_0001_xxxx")
extraCommitLat = 0
srcRegsRelativeLats = []
extraCommitLatExpr = udiv_lat_expr
class HPI_UMAAL_T1(MinorFUTiming):
description = "HPI_UMAAL_T1"
mask, match = t32_opcode("1111_1011_1110_xxxx__xxxx_xxxx_0110_xxxx")
# z, z, z, dlo, dhi, l, r
extraCommitLat = 1
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 0, 0]
class HPI_UMAAL_A1(MinorFUTiming):
description = "HPI_UMAAL_A1"
mask, match = a32_opcode("xxxx_0000_0100_xxxx__xxxx_xxxx_1001_xxxx")
# z, z, z, dlo, dhi, l, r
extraCommitLat = 1
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 0, 0]
class HPI_UMLAL_T1(MinorFUTiming):
description = "HPI_UMLAL_T1"
mask, match = t32_opcode("1111_1011_1110_xxxx__xxxx_xxxx_0000_xxxx")
class HPI_UMLAL_A1(MinorFUTiming):
description = "HPI_UMLAL_A1"
mask, match = t32_opcode("xxxx_0000_101x_xxxx__xxxx_xxxx_1001_xxxx")
class HPI_UMULL_T1(MinorFUTiming):
description = "HPI_UMULL_T1"
mask, match = t32_opcode("1111_1011_1010_xxxx__xxxx_xxxx_0000_xxxx")
class HPI_UMULL_A1(MinorFUTiming):
description = "HPI_UMULL_A1"
mask, match = a32_opcode("xxxx_0000_100x_xxxx__xxxx_xxxx_1001_xxxx")
class HPI_USAD8_USADA8_A1(MinorFUTiming):
description = "HPI_USAD8_USADA8_A1"
mask, match = a32_opcode("xxxx_0111_1000_xxxx__xxxx_xxxx_0001_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 2, 0]
class HPI_USAD8_USADA8_A1_Suppress(MinorFUTiming):
description = "HPI_USAD8_USADA8_A1_Suppress"
mask, match = a32_opcode("xxxx_0111_1000_xxxx__xxxx_xxxx_0001_xxxx")
srcRegsRelativeLats = []
suppress = True
class HPI_VMOV_immediate_A1(MinorFUTiming):
description = "HPI_VMOV_register_A1"
mask, match = a32_opcode("1111_0010_0x10_xxxx_xxxx_0001_xxx1_xxxx")
# cpsr, z, z, z, hcptr, nsacr, cpacr, fpexc, scr
srcRegsRelativeLats = [5, 5, 5, 5, 5, 5, 5, 5, 5, 0]
class HPI_VMRS_A1(MinorFUTiming):
description = "HPI_VMRS_A1"
mask, match = a32_opcode("xxxx_1110_1111_0001_xxxx_1010_xxx1_xxxx")
# cpsr,z,z,z,hcptr,nsacr,cpacr,scr,r42
srcRegsRelativeLats = [5, 5, 5, 5, 5, 5, 5, 5, 5, 0]
class HPI_VMOV_register_A2(MinorFUTiming):
description = "HPI_VMOV_register_A2"
mask, match = a32_opcode("xxxx_1110_1x11_0000_xxxx_101x_01x0_xxxx")
# cpsr, z, r39, z, hcptr, nsacr, cpacr, fpexc, scr, f4, f5, f0, f1
srcRegsRelativeLats = [
5,
5,
5,
5,
5,
5,
5,
5,
5,
4,
4,
4,
4,
4,
4,
4,
4,
0,
]
# VADD.I16 D/VADD.F32 D/VADD.I8 D/VADD.I32 D
class HPI_VADD2H_A32(MinorFUTiming):
description = "Vadd2hALU"
mask, match = a32_opcode("1111_0010_0xxx_xxxx__xxxx_1000_xxx0_xxxx")
# cpsr, z, z, z, cpacr, fpexc, l0, r0, l1, r1, l2, r2, l3, r3 (for vadd2h)
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 0]
# VAQQHN.I16 Q/VAQQHN.I32 Q/VAQQHN.I64 Q
class HPI_VADDHN_A32(MinorFUTiming):
description = "VaddhnALU"
mask, match = a32_opcode("1111_0010_1xxx_xxxx__xxxx_0100_x0x0_xxxx")
# cpsr, z, z, z, cpacr, fpexc, l0, l1, l2, l3, r0, r1, r2, r3
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 0]
class HPI_VADDL_A32(MinorFUTiming):
description = "VaddlALU"
mask, match = a32_opcode("1111_001x_1xxx_xxxx__xxxx_0000_x0x0_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 0]
class HPI_VADDW_A32(MinorFUTiming):
description = "HPI_VADDW_A32"
mask, match = a32_opcode("1111_001x_1xxx_xxxx__xxxx_0001_x0x0_xxxx")
# cpsr, z, z, z, cpacr, fpexc, l0, l1, l2, l3, r0, r1
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 3, 3, 0]
# VHADD/VHSUB S8,S16,S32,U8,U16,U32 Q and D
class HPI_VHADD_A32(MinorFUTiming):
description = "HPI_VHADD_A32"
mask, match = a32_opcode("1111_001x_0xxx_xxxx__xxxx_00x0_xxx0_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 0]
class HPI_VPADAL_A32(MinorFUTiming):
description = "VpadalALU"
mask, match = a32_opcode("1111_0011_1x11_xx00__xxxx_0110_xxx0_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 0]
# VPADDH.I16
class HPI_VPADDH_A32(MinorFUTiming):
description = "VpaddhALU"
mask, match = a32_opcode("1111_0010_0xxx_xxxx__xxxx_1011_xxx1_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 0]
# VPADDH.F32
class HPI_VPADDS_A32(MinorFUTiming):
description = "VpaddsALU"
mask, match = a32_opcode("1111_0011_0x0x_xxxx__xxxx_1101_xxx0_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 0]
# VPADDL.S16
class HPI_VPADDL_A32(MinorFUTiming):
description = "VpaddlALU"
mask, match = a32_opcode("1111_0011_1x11_xx00__xxxx_0010_xxx0_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 0]
# VRADDHN.I16
class HPI_VRADDHN_A32(MinorFUTiming):
description = "HPI_VRADDHN_A32"
mask, match = a32_opcode("1111_0011_1xxx_xxxx__xxxx_0100_x0x0_xxxx")
# cpsr, z, z, z, cpacr, fpexc, l0, l1, l2, l3, r0, r1, r2, r3
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 0]
class HPI_VRHADD_A32(MinorFUTiming):
description = "VrhaddALU"
mask, match = a32_opcode("1111_001x_0xxx_xxxx__xxxx_0001_xxx0_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 0]
class HPI_VQADD_A32(MinorFUTiming):
description = "VqaddALU"
mask, match = a32_opcode("1111_001x_0xxx_xxxx__xxxx_0000_xxx1_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 0]
class HPI_VANDQ_A32(MinorFUTiming):
description = "VandqALU"
mask, match = a32_opcode("1111_0010_0x00_xxxx__xxxx_0001_xxx1_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 5, 5, 5, 5, 5, 5, 5, 5, 0]
# VMUL (integer)
class HPI_VMULI_A32(MinorFUTiming):
description = "VmuliALU"
mask, match = a32_opcode("1111_001x_0xxx_xxxx__xxxx_1001_xxx1_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 0]
# VBIC (reg)
class HPI_VBIC_A32(MinorFUTiming):
description = "VbicALU"
mask, match = a32_opcode("1111_0010_0x01_xxxx__xxxx_0001_xxx1_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 5, 5, 5, 5, 5, 5, 5, 5, 0]
# VBIF VBIT VBSL
class HPI_VBIF_ETC_A32(MinorFUTiming):
description = "VbifALU"
mask, match = a32_opcode("1111_0011_0xxx_xxxx__xxxx_0001_xxx1_xxxx")
srcRegsRelativeLats = [
0,
0,
0,
0,
0,
0,
5,
5,
5,
5,
5,
5,
5,
5,
5,
5,
5,
5,
0,
]
class HPI_VACGE_A32(MinorFUTiming):
description = "VacgeALU"
mask, match = a32_opcode("1111_0011_0xxx_xxxx__xxxx_1110_xxx1_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0]
# VCEQ.F32
class HPI_VCEQ_A32(MinorFUTiming):
description = "VceqALU"
mask, match = a32_opcode("1111_0010_0x0x_xxxx__xxxx_1110_xxx0_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0]
# VCEQ.[IS]... register
class HPI_VCEQI_A32(MinorFUTiming):
description = "VceqiALU"
mask, match = a32_opcode("1111_0011_0xxx_xxxx__xxxx_1000_xxx1_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0]
# VCEQ.[IS]... immediate
class HPI_VCEQII_A32(MinorFUTiming):
description = "HPI_VCEQII_A32"
mask, match = a32_opcode("1111_0011_1x11_xx01__xxxx_0x01_0xx0_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0]
class HPI_VTST_A32(MinorFUTiming):
description = "HPI_VTST_A32"
mask, match = a32_opcode("1111_0010_0xxx_xxxx__xxxx_1000_xxx1_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0]
class HPI_VCLZ_A32(MinorFUTiming):
description = "HPI_VCLZ_A32"
mask, match = a32_opcode("1111_0011_1x11_xx00__xxxx_0100_1xx0_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0]
class HPI_VCNT_A32(MinorFUTiming):
description = "HPI_VCNT_A32"
mask, match = a32_opcode("1111_0011_1x11_xx00__xxxx_0101_0xx0_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0]
class HPI_VEXT_A32(MinorFUTiming):
description = "HPI_VCNT_A32"
mask, match = a32_opcode("1111_0010_1x11_xxxx__xxxx_xxxx_xxx0_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0]
# VMAX VMIN integer
class HPI_VMAXI_A32(MinorFUTiming):
description = "HPI_VMAXI_A32"
mask, match = a32_opcode("1111_001x_0xxx_xxxx__xxxx_0110_xxxx_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0]
# VMAX VMIN float
class HPI_VMAXS_A32(MinorFUTiming):
description = "HPI_VMAXS_A32"
mask, match = a32_opcode("1111_0010_0xxx_xxxx__xxxx_1111_xxx0_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0]
# VNEG integer
class HPI_VNEGI_A32(MinorFUTiming):
description = "HPI_VNEGI_A32"
mask, match = a32_opcode("1111_0011_1x11_xx01__xxxx_0x11_1xx0_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0]
# VNEG float
class HPI_VNEGF_A32(MinorFUTiming):
description = "HPI_VNEGF_A32"
mask, match = a32_opcode("xxxx_1110_1x11_0001__xxxx_101x_01x0_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0]
# VREV16 VREV32 VREV64
class HPI_VREVN_A32(MinorFUTiming):
description = "HPI_VREVN_A32"
mask, match = a32_opcode("1111_0011_1x11_xx00__xxxx_000x_xxx0_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0]
class HPI_VQNEG_A32(MinorFUTiming):
description = "HPI_VQNEG_A32"
mask, match = a32_opcode("1111_0011_1x11_xx00__xxxx_0111_1xx0_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0]
class HPI_VSWP_A32(MinorFUTiming):
description = "HPI_VSWP_A32"
mask, match = a32_opcode("1111_0011_1x11_xx10__xxxx_0000_0xx0_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 0]
class HPI_VTRN_A32(MinorFUTiming):
description = "HPI_VTRN_A32"
mask, match = a32_opcode("1111_0011_1x11_xx10__xxxx_0000_1xx0_xxxx")
# cpsr, z, z, z, cpact, fpexc, o0, d0, o1, d1, o2, d2, o3, d3
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 0]
# VQMOVN VQMOVUN
class HPI_VQMOVN_A32(MinorFUTiming):
description = "HPI_VQMOVN_A32"
mask, match = a32_opcode("1111_0011_1x11_xx10__xxxx_0010_xxx0_xxxx")
# cpsr, z, z, z, cpact, fpexc, o[0], o[1], o[2], o[3], fpscr
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 0]
# VUZP double word
class HPI_VUZP_A32(MinorFUTiming):
description = "HPI_VUZP_A32"
mask, match = a32_opcode("1111_0011_1x11_xx10__xxxx_0001_00x0_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 0]
# VDIV.F32
class HPI_VDIV32_A32(MinorFUTiming):
description = "HPI_VDIV32_A32"
mask, match = a32_opcode("xxxx_1110_1x00_xxxx__xxxx_1010_x0x0_xxxx")
# cpsr, z, z, z, cpact, fpexc, fpscr_exc, l, r
extraCommitLat = 9
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 20, 4, 4, 0]
# VDIV.F64
class HPI_VDIV64_A32(MinorFUTiming):
description = "HPI_VDIV64_A32"
mask, match = a32_opcode("xxxx_1110_1x00_xxxx__xxxx_1011_x0x0_xxxx")
# cpsr, z, z, z, cpact, fpexc, fpscr_exc, l, r
extraCommitLat = 18
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 20, 4, 4, 0]
class HPI_VZIP_A32(MinorFUTiming):
description = "HPI_VZIP_A32"
mask, match = a32_opcode("1111_0011_1x11_xx10__xxxx_0001_1xx0_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 0]
# VPMAX integer
class HPI_VPMAX_A32(MinorFUTiming):
description = "HPI_VPMAX_A32"
mask, match = a32_opcode("1111_001x_0xxx_xxxx__xxxx_1010_xxxx_xxxx")
# cpsr, z, z, z, cpact, fpexc, l0, r0, l1, r1, fpscr
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 0]
# VPMAX float
class HPI_VPMAXF_A32(MinorFUTiming):
description = "HPI_VPMAXF_A32"
mask, match = a32_opcode("1111_0011_0xxx_xxxx__xxxx_1111_xxx0_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 0]
class HPI_VMOVN_A32(MinorFUTiming):
description = "HPI_VMOVN_A32"
mask, match = a32_opcode("1111_0011_1x11_xx10__xxxx_0010_00x0_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 0]
class HPI_VMOVL_A32(MinorFUTiming):
description = "HPI_VMOVL_A32"
mask, match = a32_opcode("1111_001x_1xxx_x000__xxxx_1010_00x1_xxxx")
srcRegsRelativeLats = [0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 0]
# VSQRT.F64
class HPI_VSQRT64_A32(MinorFUTiming):
description = "HPI_VSQRT64_A32"
mask, match = a32_opcode("xxxx_1110_1x11_0001__xxxx_1011_11x0_xxxx")
extraCommitLat = 18
srcRegsRelativeLats = []
# VSQRT.F32
class HPI_VSQRT32_A32(MinorFUTiming):
description = "HPI_VSQRT32_A32"
mask, match = a32_opcode("xxxx_1110_1x11_0001__xxxx_1010_11x0_xxxx")
extraCommitLat = 9
srcRegsRelativeLats = []
class HPI_FloatSimdFU(MinorFU):
opClasses = minorMakeOpClassSet(
[
"FloatAdd",
"FloatCmp",
"FloatCvt",
"FloatMult",
"FloatDiv",
"FloatSqrt",
"FloatMisc",
"FloatMultAcc",
"SimdAdd",
"SimdAddAcc",
"SimdAlu",
"SimdCmp",
"SimdCvt",
"SimdMisc",
"SimdMult",
"SimdMultAcc",
"SimdShift",
"SimdShiftAcc",
"SimdSqrt",
"SimdFloatAdd",
"SimdFloatAlu",
"SimdFloatCmp",
"SimdFloatCvt",
"SimdFloatDiv",
"SimdFloatMisc",
"SimdFloatMult",
"SimdFloatMultAcc",
"SimdFloatSqrt",
]
)
timings = [
# VUZP and VZIP must be before VADDW/L
HPI_VUZP_A32(),
HPI_VZIP_A32(),
HPI_VADD2H_A32(),
HPI_VADDHN_A32(),
HPI_VADDL_A32(),
HPI_VADDW_A32(),
HPI_VHADD_A32(),
HPI_VPADAL_A32(),
HPI_VPADDH_A32(),
HPI_VPADDS_A32(),
HPI_VPADDL_A32(),
HPI_VRADDHN_A32(),
HPI_VRHADD_A32(),
HPI_VQADD_A32(),
HPI_VANDQ_A32(),
HPI_VBIC_A32(),
HPI_VBIF_ETC_A32(),
HPI_VACGE_A32(),
HPI_VCEQ_A32(),
HPI_VCEQI_A32(),
HPI_VCEQII_A32(),
HPI_VTST_A32(),
HPI_VCLZ_A32(),
HPI_VCNT_A32(),
HPI_VEXT_A32(),
HPI_VMAXI_A32(),
HPI_VMAXS_A32(),
HPI_VNEGI_A32(),
HPI_VNEGF_A32(),
HPI_VREVN_A32(),
HPI_VQNEG_A32(),
HPI_VSWP_A32(),
HPI_VTRN_A32(),
HPI_VPMAX_A32(),
HPI_VPMAXF_A32(),
HPI_VMOVN_A32(),
HPI_VMRS_A1(),
HPI_VMOV_immediate_A1(),
HPI_VMOV_register_A2(),
HPI_VQMOVN_A32(),
HPI_VMOVL_A32(),
HPI_VDIV32_A32(),
HPI_VDIV64_A32(),
HPI_VSQRT32_A32(),
HPI_VSQRT64_A32(),
HPI_VMULI_A32(),
# Add before here
HPI_FMADD_A64(),
HPI_FMSUB_D_A64(),
HPI_FMOV_A64(),
HPI_ADD_SUB_vector_scalar_A64(),
HPI_ADD_SUB_vector_vector_A64(),
HPI_FDIV_scalar_32_A64(),
HPI_FDIV_scalar_64_A64(),
HPI_DefaultA64Vfp(),
HPI_DefaultVfp(),
]
opLat = 6
class HPI_IntFU(MinorFU):
opClasses = minorMakeOpClassSet(["IntAlu"])
# IMPORTANT! Keep the order below, add new entries *at the head*
timings = [
HPI_SSAT_USAT_no_shift_A1(),
HPI_SSAT_USAT_shift_A1(),
HPI_SSAT16_USAT16_A1(),
HPI_QADD_QSUB_A1(),
HPI_QADD_QSUB_T1(),
HPI_QADD_ETC_A1(),
HPI_QASX_QSAX_UQASX_UQSAX_T1(),
HPI_QADD_ETC_T1(),
HPI_USUB_ETC_A1(),
HPI_ADD_ETC_A1(),
HPI_ADD_ETC_T1(),
HPI_QDADD_QDSUB_A1(),
HPI_QDADD_QDSUB_T1(),
HPI_SASX_SHASX_UASX_UHASX_A1(),
HPI_SHSAX_SSAX_UHSAX_USAX_A1(),
HPI_SXTB_SXTB16_SXTH_UXTB_UXTB16_UXTH_A1(),
# Must be after HPI_SXTB_SXTB16_SXTH_UXTB_UXTB16_UXTH_A1
HPI_SXTAB_SXTAB16_SXTAH_UXTAB_UXTAB16_UXTAH_A1(),
HPI_SXTAB_T1(),
HPI_SXTAB16_T1(),
HPI_SXTAH_T1(),
HPI_SXTB_T2(),
HPI_SXTB16_T1(),
HPI_SXTH_T2(),
HPI_PKH_A1(),
HPI_PKH_T1(),
HPI_SBFX_UBFX_A1(),
HPI_SEL_A1(),
HPI_RBIT_A1(),
HPI_REV_REV16_A1(),
HPI_REVSH_A1(),
HPI_USAD8_USADA8_A1(),
HPI_BFI_A1(),
HPI_BFI_T1(),
HPI_CMN_register_A1(),
HPI_CMN_immediate_A1(),
HPI_CMP_register_A1(),
HPI_CMP_immediate_A1(),
HPI_DataProcessingNoShift(),
HPI_DataProcessingMovShiftr(),
HPI_DataProcessingMayShift(),
HPI_Cxxx_A64(),
HPI_DefaultA64Int(),
HPI_DefaultInt(),
]
opLat = 3
class HPI_Int2FU(MinorFU):
opClasses = minorMakeOpClassSet(["IntAlu"])
# IMPORTANT! Keep the order below, add new entries *at the head*
timings = [
HPI_SSAT_USAT_no_shift_A1(),
HPI_SSAT_USAT_shift_A1(),
HPI_SSAT16_USAT16_A1(),
HPI_QADD_QSUB_A1(),
HPI_QADD_QSUB_T1(),
HPI_QADD_ETC_A1(),
HPI_QASX_QSAX_UQASX_UQSAX_T1(),
HPI_QADD_ETC_T1(),
HPI_USUB_ETC_A1(),
HPI_ADD_ETC_A1(),
HPI_ADD_ETC_T1(),
HPI_QDADD_QDSUB_A1(),
HPI_QDADD_QDSUB_T1(),
HPI_SASX_SHASX_UASX_UHASX_A1(),
HPI_SHSAX_SSAX_UHSAX_USAX_A1(),
HPI_SXTB_SXTB16_SXTH_UXTB_UXTB16_UXTH_A1(),
# Must be after HPI_SXTB_SXTB16_SXTH_UXTB_UXTB16_UXTH_A1
HPI_SXTAB_SXTAB16_SXTAH_UXTAB_UXTAB16_UXTAH_A1(),
HPI_SXTAB_T1(),
HPI_SXTAB16_T1(),
HPI_SXTAH_T1(),
HPI_SXTB_T2(),
HPI_SXTB16_T1(),
HPI_SXTH_T2(),
HPI_PKH_A1(),
HPI_PKH_T1(),
HPI_SBFX_UBFX_A1(),
HPI_SEL_A1_Suppress(),
HPI_RBIT_A1(),
HPI_REV_REV16_A1(),
HPI_REVSH_A1(),
HPI_USAD8_USADA8_A1_Suppress(),
HPI_BFI_A1(),
HPI_BFI_T1(),
HPI_CMN_register_A1(), # Need to check for shift
HPI_CMN_immediate_A1(),
HPI_CMP_register_A1(), # Need to check for shift
HPI_CMP_immediate_A1(),
HPI_DataProcessingNoShift(),
HPI_DataProcessingAllowShifti(),
# HPI_DataProcessingAllowMovShiftr(),
# Data processing ops that match SuppressShift but are *not*
# to be suppressed here
HPI_CLZ_A1(),
HPI_CLZ_T1(),
HPI_DataProcessingSuppressShift(),
# Can you dual issue a branch?
# HPI_DataProcessingSuppressBranch(),
HPI_Cxxx_A64(),
HPI_DefaultA64Int(),
HPI_DefaultInt(),
]
opLat = 3
class HPI_IntMulFU(MinorFU):
opClasses = minorMakeOpClassSet(["IntMult"])
timings = [
HPI_MLA_A1(),
HPI_MLA_T1(),
HPI_MLS_A1(),
HPI_MLS_T1(),
HPI_SMLABB_A1(),
HPI_SMLABB_T1(),
HPI_SMLAWB_A1(),
HPI_SMLAWB_T1(),
HPI_SMLAD_A1(),
HPI_SMLAD_T1(),
HPI_SMMUL_A1(),
HPI_SMMUL_T1(),
# SMMUL_A1 must be before SMMLA_A1
HPI_SMMLA_A1(),
HPI_SMMLA_T1(),
HPI_SMMLS_A1(),
HPI_SMMLS_T1(),
HPI_UMAAL_A1(),
HPI_UMAAL_T1(),
HPI_MADD_A64(),
HPI_DefaultA64Mul(),
HPI_DefaultMul(),
]
opLat = 3
cantForwardFromFUIndices = [0, 1, 5] # Int1, Int2, Mem
class HPI_IntDivFU(MinorFU):
opClasses = minorMakeOpClassSet(["IntDiv"])
timings = [HPI_SDIV_A1(), HPI_UDIV_A1(), HPI_SDIV_A64()]
issueLat = 3
opLat = 3
class HPI_MemFU(MinorFU):
opClasses = minorMakeOpClassSet(
["MemRead", "MemWrite", "FloatMemRead", "FloatMemWrite"]
)
timings = [HPI_DefaultMem(), HPI_DefaultMem64()]
opLat = 1
cantForwardFromFUIndices = [5] # Mem (this FU)
class HPI_MiscFU(MinorFU):
opClasses = minorMakeOpClassSet(["IprAccess", "InstPrefetch"])
opLat = 1
class HPI_FUPool(MinorFUPool):
funcUnits = [
HPI_IntFU(), # 0
HPI_Int2FU(), # 1
HPI_IntMulFU(), # 2
HPI_IntDivFU(), # 3
HPI_FloatSimdFU(), # 4
HPI_MemFU(), # 5
HPI_MiscFU(), # 6
]
class HPI_MMU(ArmMMU):
itb = ArmTLB(entry_type="instruction", size=256)
dtb = ArmTLB(entry_type="data", size=256)
class HPI_BP(TournamentBP):
localPredictorSize = 64
localCtrBits = 2
localHistoryTableSize = 64
globalPredictorSize = 1024
globalCtrBits = 2
choicePredictorSize = 1024
choiceCtrBits = 2
BTBEntries = 128
BTBTagSize = 18
RASSize = 8
instShiftAmt = 2
class HPI_ICache(Cache):
data_latency = 1
tag_latency = 1
response_latency = 1
mshrs = 2
tgts_per_mshr = 8
size = "32kB"
assoc = 2
# No prefetcher, this is handled by the core
class HPI_DCache(Cache):
data_latency = 1
tag_latency = 1
response_latency = 1
mshrs = 4
tgts_per_mshr = 8
size = "32kB"
assoc = 4
write_buffers = 4
prefetcher = StridePrefetcher(queue_size=4, degree=4)
class HPI_L2(Cache):
data_latency = 13
tag_latency = 13
response_latency = 5
mshrs = 4
tgts_per_mshr = 8
size = "1024kB"
assoc = 16
write_buffers = 16
# prefetcher FIXME
class HPI(ArmMinorCPU):
# Inherit the doc string from the module to avoid repeating it
# here.
__doc__ = __doc__
fetch1LineSnapWidth = 0
fetch1LineWidth = 0
fetch1FetchLimit = 1
fetch1ToFetch2ForwardDelay = 1
fetch1ToFetch2BackwardDelay = 1
fetch2InputBufferSize = 2
fetch2ToDecodeForwardDelay = 1
fetch2CycleInput = True
decodeInputBufferSize = 3
decodeToExecuteForwardDelay = 1
decodeInputWidth = 2
decodeCycleInput = True
executeInputWidth = 2
executeCycleInput = True
executeIssueLimit = 2
# Only allow one ld/st to be issued but the second ld/st FU allows
# back-to-back loads
executeMemoryIssueLimit = 1
executeCommitLimit = 2
executeMemoryCommitLimit = 1
executeInputBufferSize = 7
executeMaxAccessesInMemory = 2
executeLSQMaxStoreBufferStoresPerCycle = 2
executeLSQRequestsQueueSize = 1
executeLSQTransfersQueueSize = 2
executeLSQStoreBufferSize = 5
executeBranchDelay = 1
executeFuncUnits = HPI_FUPool()
executeSetTraceTimeOnCommit = True
executeSetTraceTimeOnIssue = False
executeAllowEarlyMemoryIssue = True
enableIdling = True
branchPred = HPI_BP()
mmu = HPI_MMU()
__all__ = [
"HPI_BP",
"HPI_ITB",
"HPI_DTB",
"HPI_ICache",
"HPI_DCache",
"HPI_L2",
"HPI",
]