diff options
Diffstat (limited to 'src/arch/x86/isa/insts/general_purpose/data_transfer/stack_operations.py')
-rw-r--r-- | src/arch/x86/isa/insts/general_purpose/data_transfer/stack_operations.py | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/src/arch/x86/isa/insts/general_purpose/data_transfer/stack_operations.py b/src/arch/x86/isa/insts/general_purpose/data_transfer/stack_operations.py new file mode 100644 index 000000000..9e6807039 --- /dev/null +++ b/src/arch/x86/isa/insts/general_purpose/data_transfer/stack_operations.py @@ -0,0 +1,157 @@ +# 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 = ''' +def macroop POP_R { + # Make the default data size of pops 64 bits in 64 bit mode + .adjust_env oszIn64Override + + ld reg, ss, [1, t0, rsp] + addi rsp, rsp, dsz +}; + +def macroop POP_M { + # Make the default data size of pops 64 bits in 64 bit mode + .adjust_env oszIn64Override + + ld t1, ss, [1, t0, rsp] + addi rsp, rsp, dsz + st t1, seg, sib, disp +}; + +def macroop POP_P { + # Make the default data size of pops 64 bits in 64 bit mode + .adjust_env oszIn64Override + + rdip t7 + ld t1, ss, [1, t0, rsp] + addi rsp, rsp, dsz + st t1, seg, riprel, disp +}; + +def macroop PUSH_R { + # Make the default data size of pops 64 bits in 64 bit mode + .adjust_env oszIn64Override + + # This needs to work slightly differently from the other versions of push + # because the -original- version of the stack pointer is what gets pushed + st reg, ss, [1, t0, rsp], "-env.dataSize" + subi rsp, rsp, dsz +}; + +def macroop PUSH_I { + # Make the default data size of pops 64 bits in 64 bit mode + .adjust_env oszIn64Override + + limm t1, imm + subi rsp, rsp, dsz + st t1, ss, [1, t0, rsp] +}; + +def macroop PUSH_M { + # Make the default data size of pops 64 bits in 64 bit mode + .adjust_env oszIn64Override + + ld t1, seg, sib, disp + subi rsp, rsp, dsz + st t1, ss, [1, t0, rsp] +}; + +def macroop PUSH_P { + # Make the default data size of pops 64 bits in 64 bit mode + .adjust_env oszIn64Override + + rdip t7 + ld t1, seg, riprel, disp + subi rsp, rsp, dsz + st t1, ss, [1, t0, rsp] +}; + +def macroop PUSHA { + st rax, ss, [1, t0, rsp], "-0 * env.dataSize" + st rcx, ss, [1, t0, rsp], "-1 * env.dataSize" + st rdx, ss, [1, t0, rsp], "-2 * env.dataSize" + st rbx, ss, [1, t0, rsp], "-3 * env.dataSize" + st rsp, ss, [1, t0, rsp], "-4 * env.dataSize" + st rbp, ss, [1, t0, rsp], "-5 * env.dataSize" + st rsi, ss, [1, t0, rsp], "-6 * env.dataSize" + st rdi, ss, [1, t0, rsp], "-7 * env.dataSize" + subi rsp, rsp, "8 * env.dataSize" +}; + +def macroop POPA { + ld rdi, ss, [1, t0, rsp], "0 * env.dataSize" + ld rsi, ss, [1, t0, rsp], "1 * env.dataSize" + ld rbp, ss, [1, t0, rsp], "2 * env.dataSize" + ld rbx, ss, [1, t0, rsp], "4 * env.dataSize" + ld rdx, ss, [1, t0, rsp], "5 * env.dataSize" + ld rcx, ss, [1, t0, rsp], "6 * env.dataSize" + ld rax, ss, [1, t0, rsp], "7 * env.dataSize" + addi rsp, rsp, "8 * env.dataSize" +}; + +def macroop LEAVE { + # Make the default data size of pops 64 bits in 64 bit mode + .adjust_env oszIn64Override + + mov rsp, rsp, rbp + ld rbp, ss, [1, t0, rsp] + addi rsp, rsp, dsz +}; +''' +#let {{ +# class ENTER(Inst): +# "GenFault ${new UnimpInstFault}" +#}}; |