230 lines
9.8 KiB
XML
230 lines
9.8 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<?xml-stylesheet type="text/xsl" encoding="UTF-8" href="iform.xsl" version="1.0"?>
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<!DOCTYPE instructionsection PUBLIC "-//ARM//DTD instructionsection //EN" "iform-p.dtd">
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<!-- Copyright (c) 2010-2022 Arm Limited or its affiliates. All rights reserved. -->
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<!-- This document is Non-Confidential. This document may only be used and distributed in accordance with the terms of the agreement entered into by Arm and the party that Arm delivered this document to. -->
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<instructionsection id="PUSH_STR_i" title="PUSH (single register) -- AArch32" type="alias">
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<docvars>
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<docvar key="address-form" value="pre-indexed" />
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<docvar key="alias_mnemonic" value="PUSH" />
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<docvar key="instr-class" value="general" />
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<docvar key="mnemonic" value="STR" />
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</docvars>
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<heading>PUSH (single register)</heading>
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<desc>
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<brief>Push Single Register to Stack</brief>
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<longer> stores a single general-purpose register to the stack, storing to the 32-bit word below the address in SP, and updates SP to point to the start of the stored data</longer>
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</desc>
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<aliasto refiform="str_i.xml" iformid="STR_i">STR (immediate)</aliasto>
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<classes>
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<classesintro count="2">
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<txt>It has encodings from the following instruction sets:</txt>
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<txt> A32 (</txt>
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<a href="#iclass_a1">A1</a>
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<txt>)</txt>
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<txt> and </txt>
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<txt> T32 (</txt>
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<a href="#iclass_t4">T4</a>
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<txt>)</txt>
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<txt>.</txt>
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</classesintro>
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<iclass name="A1" oneof="2" id="iclass_a1" no_encodings="1" isa="A32">
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<docvars>
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<docvar key="armarmheading" value="A1" />
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<docvar key="instr-class" value="general" />
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<docvar key="isa" value="A32" />
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<docvar key="mnemonic" value="STR" />
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</docvars>
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<iclassintro count="1"></iclassintro>
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<regdiagram form="32" psname="" tworows="1">
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<box hibit="31" width="4" name="cond" usename="1" settings="4" constraint="!= 1111">
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<c colspan="4">!= 1111</c>
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</box>
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<box hibit="27" width="3" settings="3">
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<c>0</c>
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<c>1</c>
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<c>0</c>
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</box>
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<box hibit="24" name="P" usename="1" settings="1">
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<c>1</c>
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</box>
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<box hibit="23" name="U" usename="1" settings="1">
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<c>0</c>
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</box>
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<box hibit="22" name="o2" settings="1">
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<c>0</c>
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</box>
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<box hibit="21" name="W" usename="1" settings="1">
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<c>1</c>
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</box>
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<box hibit="20" name="o1" settings="1">
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<c>0</c>
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</box>
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<box hibit="19" width="4" name="Rn" usename="1" settings="4">
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<c>1</c>
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<c>1</c>
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<c>0</c>
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<c>1</c>
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</box>
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<box hibit="15" width="4" name="Rt" usename="1">
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<c colspan="4"></c>
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</box>
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<box hibit="11" width="12" name="imm12" usename="1" settings="12">
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<c>0</c>
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<c>0</c>
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<c>0</c>
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<c>0</c>
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<c>0</c>
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<c>0</c>
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<c>0</c>
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<c>0</c>
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<c>0</c>
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<c>1</c>
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<c>0</c>
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<c>0</c>
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</box>
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</regdiagram>
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<encoding name="PUSH_STR_i_A1_pre" oneofinclass="1" oneof="2" label="Pre-indexed">
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<docvars>
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<docvar key="address-form" value="pre-indexed" />
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<docvar key="alias_mnemonic" value="PUSH" />
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<docvar key="armarmheading" value="A1" />
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<docvar key="instr-class" value="general" />
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<docvar key="isa" value="A32" />
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<docvar key="mnemonic" value="STR" />
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</docvars>
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<asmtemplate><text>PUSH</text><text>{</text><a link="sa_c" hover="See {xref{ARMARM_Babbefhf}{Standard assembler syntax fields}}"><c></a><text>}</text><text>{</text><a link="sa_q" hover="See {xref{ARMARM_Babbefhf}{Standard assembler syntax fields}}"><q></a><text>}</text><text> </text><a link="sa_single_register_list" hover="General-purpose register {syntax{<Rt>}} to be stored surrounded by { and }"><single_register_list></a></asmtemplate>
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<equivalent_to>
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<asmtemplate><a href="str_i.xml#STR_i_A1_pre">STR</a><text>{</text><a link="sa_c" hover="See {xref{ARMARM_Babbefhf}{Standard assembler syntax fields}}"><c></a><text>}</text><text>{</text><a link="sa_q" hover="See {xref{ARMARM_Babbefhf}{Standard assembler syntax fields}}"><q></a><text>}</text><text> </text><a link="sa_rt_1" hover="General-purpose register to be transferred (field "Rt")"><Rt></a><text>, [SP, #-4]!</text></asmtemplate>
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<aliascond>Unconditionally</aliascond>
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</equivalent_to>
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</encoding>
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</iclass>
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<iclass name="T4" oneof="2" id="iclass_t4" no_encodings="1" isa="T32">
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<docvars>
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<docvar key="armarmheading" value="T4" />
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<docvar key="instr-class" value="general" />
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<docvar key="isa" value="T32" />
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<docvar key="mnemonic" value="STR" />
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</docvars>
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<iclassintro count="1"></iclassintro>
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<regdiagram form="16x2" psname="" tworows="1">
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<box hibit="31" width="9" settings="9">
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<c>1</c>
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<c>1</c>
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<c>1</c>
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<c>1</c>
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<c>1</c>
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<c>0</c>
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<c>0</c>
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<c>0</c>
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<c>0</c>
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</box>
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<box hibit="22" width="2" name="size" settings="2">
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<c>1</c>
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<c>0</c>
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</box>
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<box hibit="20" name="L" settings="1">
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<c>0</c>
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</box>
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<box hibit="19" width="4" name="Rn" usename="1" settings="4">
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<c>1</c>
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<c>1</c>
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<c>0</c>
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<c>1</c>
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</box>
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<box hibit="15" width="4" name="Rt" usename="1">
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<c colspan="4"></c>
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</box>
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<box hibit="11" settings="1">
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<c>1</c>
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</box>
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<box hibit="10" name="P" usename="1" settings="1">
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<c>1</c>
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</box>
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<box hibit="9" name="U" usename="1" settings="1">
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<c>0</c>
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</box>
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<box hibit="8" name="W" usename="1" settings="1">
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<c>1</c>
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</box>
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<box hibit="7" width="8" name="imm8" usename="1" settings="8">
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<c>0</c>
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<c>0</c>
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<c>0</c>
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<c>0</c>
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<c>0</c>
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<c>1</c>
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<c>0</c>
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<c>0</c>
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</box>
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</regdiagram>
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<encoding name="PUSH_STR_i_T4_pre" oneofinclass="1" oneof="2" label="Pre-indexed">
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<docvars>
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<docvar key="address-form" value="pre-indexed" />
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<docvar key="alias_mnemonic" value="PUSH" />
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<docvar key="armarmheading" value="T4" />
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<docvar key="instr-class" value="general" />
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<docvar key="isa" value="T32" />
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<docvar key="mnemonic" value="STR" />
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</docvars>
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<asmtemplate comment="Standard syntax"><text>PUSH</text><text>{</text><a link="sa_c" hover="See {xref{ARMARM_Babbefhf}{Standard assembler syntax fields}}"><c></a><text>}</text><text>{</text><a link="sa_q" hover="See {xref{ARMARM_Babbefhf}{Standard assembler syntax fields}}"><q></a><text>}</text><text> </text><a link="sa_single_register_list" hover="General-purpose register {syntax{<Rt>}} to be stored surrounded by { and }"><single_register_list></a></asmtemplate>
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<equivalent_to>
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<asmtemplate><a href="str_i.xml#STR_i_T4_pre">STR</a><text>{</text><a link="sa_c" hover="See {xref{ARMARM_Babbefhf}{Standard assembler syntax fields}}"><c></a><text>}</text><text>{</text><a link="sa_q" hover="See {xref{ARMARM_Babbefhf}{Standard assembler syntax fields}}"><q></a><text>}</text><text> </text><a link="sa_rt" hover="General-purpose register to be transferred (field "Rt")"><Rt></a><text>, [SP, #-4]!</text></asmtemplate>
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<aliascond>Unconditionally</aliascond>
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</equivalent_to>
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</encoding>
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</iclass>
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</classes>
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<explanations scope="all">
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<explanation enclist="PUSH_STR_i_A1_pre, PUSH_STR_i_T4_pre" symboldefcount="1">
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<symbol link="sa_c"><c></symbol>
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<account encodedin="">
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<intro>
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<para>See <xref linkend="Babbefhf">Standard assembler syntax fields</xref>.</para>
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</intro>
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</account>
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</explanation>
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<explanation enclist="PUSH_STR_i_A1_pre, PUSH_STR_i_T4_pre" symboldefcount="1">
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<symbol link="sa_q"><q></symbol>
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<account encodedin="">
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<intro>
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<para>See <xref linkend="Babbefhf">Standard assembler syntax fields</xref>.</para>
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</intro>
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</account>
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</explanation>
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<explanation enclist="PUSH_STR_i_A1_pre, PUSH_STR_i_T4_pre" symboldefcount="1">
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<symbol link="sa_single_register_list"><single_register_list></symbol>
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<account encodedin="">
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<intro>
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<para>Is the general-purpose register <syntax><Rt></syntax> to be stored surrounded by { and }.</para>
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</intro>
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</account>
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</explanation>
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<explanation enclist="PUSH_STR_i_A1_pre" symboldefcount="1">
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<symbol link="sa_rt_1"><Rt></symbol>
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<account encodedin="Rt">
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<docvars>
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<docvar key="armarmheading" value="A1" />
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<docvar key="isa" value="A32" />
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</docvars>
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<intro>
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<para>For encoding A1: is the general-purpose register to be transferred, encoded in the "Rt" field. The PC can be used, but this is deprecated.</para>
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</intro>
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</account>
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</explanation>
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<explanation enclist="PUSH_STR_i_T4_pre" symboldefcount="2">
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<symbol link="sa_rt"><Rt></symbol>
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<account encodedin="Rt">
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<docvars>
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<docvar key="armarmheading" value="T4" />
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<docvar key="isa" value="T32" />
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</docvars>
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<intro>
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<para>For encoding T4: is the general-purpose register to be transferred, encoded in the "Rt" field.</para>
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</intro>
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</account>
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</explanation>
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</explanations>
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</instructionsection>
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