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# Copyright (c) 2007 The Hewlett-Packard Development Company
# All rights reserved.
#
# Redistribution and use of this software in source and binary forms,
# with or without modification, are permitted provided that the
# following conditions are met:
#
# The software must be used only for Non-Commercial Use which means any
# use which is NOT directed to receiving any direct monetary
# compensation for, or commercial advantage from such use. Illustrative
# examples of non-commercial use are academic research, personal study,
# teaching, education and corporate research & development.
# Illustrative examples of commercial use are distributing products for
# commercial advantage and providing services using the software for
# commercial advantage.
#
# If you wish to use this software or functionality therein that may be
# covered by patents for commercial use, please contact:
# Director of Intellectual Property Licensing
# Office of Strategy and Technology
# Hewlett-Packard Company
# 1501 Page Mill Road
# Palo Alto, California 94304
#
# 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 HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission. No right of
# sublicense is granted herewith. Derivatives of the software and
# output created using the software may be prepared, but only for
# Non-Commercial Uses. Derivatives of the software may be shared with
# others provided: (i) the others agree to abide by the list of
# conditions herein which includes the Non-Commercial Use restrictions;
# and (ii) such Derivatives of the software include the above copyright
# notice to acknowledge the contribution from this software where
# applicable, this list of conditions and the disclaimer below.
#
# 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.
#
# Authors: Gabe Black
microcode = '''
#
# Regular moves
#
def macroop MOV_R_MI {
limm t1, imm
ld reg, seg, [1, t0, t1]
};
def macroop MOV_MI_R {
limm t1, imm
st reg, seg, [1, t0, t1]
};
def macroop MOV_R_R {
mov reg, reg, regm
};
def macroop MOV_M_R {
st reg, seg, sib, disp
};
def macroop MOV_P_R {
rdip t7
st reg, seg, riprel, disp
};
def macroop MOV_R_M {
ld reg, seg, sib, disp
};
def macroop MOV_R_P {
rdip t7
ld reg, seg, riprel, disp
};
def macroop MOV_R_I {
limm reg, imm
};
def macroop MOV_M_I {
limm t1, imm
st t1, seg, sib, disp
};
def macroop MOV_P_I {
rdip t7
limm t1, imm
st t1, seg, riprel, disp
};
#
# Sign extending moves
#
def macroop MOVSXD_R_R {
sexti reg, regm, 31
};
def macroop MOVSXD_R_M {
ld t1, seg, sib, disp, dataSize=4
sexti reg, t1, 31
};
def macroop MOVSXD_R_P {
rdip t7
ld t1, seg, riprel, disp, dataSize=4
sexti reg, t1, 31
};
def macroop MOVSX_B_R_R {
sexti reg, regm, 7
};
def macroop MOVSX_B_R_M {
ld reg, seg, sib, disp, dataSize=1
sexti reg, reg, 7
};
def macroop MOVSX_B_R_P {
rdip t7
ld reg, seg, riprel, disp, dataSize=1
sexti reg, reg, 7
};
def macroop MOVSX_W_R_R {
sexti reg, regm, 15
};
def macroop MOVSX_W_R_M {
ld reg, seg, sib, disp, dataSize=2
sexti reg, reg, 15
};
def macroop MOVSX_W_R_P {
rdip t7
ld reg, seg, riprel, disp, dataSize=2
sexti reg, reg, 15
};
#
# Zero extending moves
#
def macroop MOVZX_B_R_R {
zexti reg, regm, 7
};
def macroop MOVZX_B_R_M {
ld t1, seg, sib, disp, dataSize=1
zexti reg, t1, 7
};
def macroop MOVZX_B_R_P {
rdip t7
ld t1, seg, riprel, disp, dataSize=1
zexti reg, t1, 7
};
def macroop MOVZX_W_R_R {
zexti reg, regm, 15
};
def macroop MOVZX_W_R_M {
ld t1, seg, sib, disp, dataSize=2
zexti reg, t1, 15
};
def macroop MOVZX_W_R_P {
rdip t7
ld t1, seg, riprel, disp, dataSize=2
zexti reg, t1, 15
};
def macroop MOV_C_R {
wrcr reg, regm
};
def macroop MOV_R_C {
rdcr reg, regm
};
def macroop MOV_R_S {
rdsel reg, regm
};
def macroop MOV_M_S {
rdsel t1, reg
st t1, seg, sib, disp, dataSize=2
};
def macroop MOV_P_S {
rdip t7
rdsel t1, reg
st t1, seg, riprel, disp, dataSize=2
};
def macroop MOV_REAL_S_R {
zext t2, regm, 15
slli t3, t2, 2, dataSize=8
wrsel reg, regm
wrbase reg, t3
};
def macroop MOV_REAL_S_M {
ld t1, seg, sib, disp, dataSize=2
zext t2, t1, 15
slli t3, t2, 2, dataSize=8
wrsel reg, t1
wrbase reg, t3
};
def macroop MOV_REAL_S_P {
rdip t7
ld t1, seg, riprel, disp, dataSize=2
zext t2, t1, 15
slli t3, t2, 2, dataSize=8
wrsel reg, t1
wrbase reg, t3
};
def macroop MOV_S_R {
chks t1, regm, flags=(EZF,), dataSize=8
bri t0, label("end"), flags=(CEZF,)
ld t2, flatseg, [1, t0, t1], addressSize=8, dataSize=8
wrdl reg, t2, regm
end:
wrsel reg, regm
};
def macroop MOV_S_M {
ld t1, seg, sib, disp, dataSize=2
chks t2, t1, flags=(EZF,), dataSize=8
bri t0, label("end"), flags=(CEZF,)
ld t2, flatseg, [1, t0, t1], addressSize=8, dataSize=8
wrdl reg, t2, t1
end:
wrsel reg, t1
};
def macroop MOV_S_P {
rdip t7
ld t1, seg, riprel, disp, dataSize=2
chks t2, t1, flags=(EZF,), dataSize=8
bri t0, label("end"), flags=(CEZF,)
ld t2, flatseg, [1, t0, t1], addressSize=8, dataSize=8
wrdl reg, t2, t1
end:
wrsel reg, t1
};
def macroop MOVSS_S_R {
chks t1, regm, flags=(EZF,), dataSize=8
# This actually needs to use the selector as the error code, but it would
# be hard to get that information into the instruction at the moment.
fault "new GeneralProtection(0)", flags=(CEZF,)
ld t2, flatseg, [1, t0, t1], addressSize=8, dataSize=8
wrdl reg, t2, regm
wrsel reg, regm
};
def macroop MOVSS_S_M {
ld t1, seg, sib, disp, dataSize=2
chks t2, t1, flags=(EZF,), dataSize=8
# This actually needs to use the selector as the error code, but it would
# be hard to get that information into the instruction at the moment.
fault "new GeneralProtection(0)", flags=(CEZF,)
ld t2, flatseg, [1, t0, t1], addressSize=8, dataSize=8
wrdl reg, t2, t1
wrsel reg, t1
};
def macroop MOVSS_S_P {
rdip t7
ld t1, seg, riprel, disp, dataSize=2
chks t2, t1, flags=(EZF,), dataSize=8
# This actually needs to use the selector as the error code, but it would
# be hard to get that information into the instruction at the moment.
fault "new GeneralProtection(0)", flags=(CEZF,)
ld t2, flatseg, [1, t0, t1], addressSize=8, dataSize=8
wrdl reg, t2, t1
wrsel reg, t1
};
'''
#let {{
# class MOVD(Inst):
# "GenFault ${new UnimpInstFault}"
# class MOVNTI(Inst):
# "GenFault ${new UnimpInstFault}"
#}};
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