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arc: Allow IO on AUX reg handling (fixes icount on ARC) #11

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arc: Allow IO on AUX reg handling (fixes icount on ARC) #11

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7ab3cc4
arc: Add initial core cpu files
Sep 30, 2020
072aaaa
arc: Decoder code
Sep 30, 2020
0e3c27e
arc: Opcode definitions table
Sep 30, 2020
52b11df
arc: TCG and decoder glue code and helpers
Sep 30, 2020
10fe73d
arc: TCG instruction generator and hand-definitions
Nov 2, 2020
32e83cd
arc: TCG instruction definitions
Nov 2, 2020
08e43d8
arc: Add BCR and AUX registers implementation
Sep 30, 2020
7052dc9
arc: Add IRQ and timer subsystem support
Sep 30, 2020
49e3675
arc: Add memory management unit (MMU) support
Sep 30, 2020
a796b26
arc: Add memory protection unit (MPU) support
Sep 30, 2020
d244dc3
arc: Add gdbstub and XML for debugging support
Sep 30, 2020
d6c2f00
arc: Add Synopsys ARC emulation boards
Sep 30, 2020
27e80de
arc: Add support for ARCv2
Sep 30, 2020
29c6d1e
tests/tcg: ARC: Add TCG instruction definition tests
Sep 30, 2020
462987f
tests/acceptance: ARC: Add linux boot testing.
Oct 13, 2020
f2e8299
[MMU]: flush the TLB on TLBWrite* cmd
vineetgarc Dec 29, 2020
5706438
Moved in_delay_slot to DisasCtxt structure.
Jan 15, 2021
59cfed5
virt: Add PCI host controller
abrodkin Jan 30, 2021
4c100aa
arc: Allow IO on AUX reg handling
abrodkin Feb 6, 2021
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arc: Add gdbstub and XML for debugging support 
Register layout for the target and the mechanisms to read and set them. Signed-off-by: Shahab Vahedi <shahab@synopsys.com>
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Shahab Vahedi authored and Cupertino Miranda committed Nov 11, 2020
commit d244dc3f749621f9b4001ace65d13f455c94a237
32 changes: 32 additions & 0 deletions gdb-xml/arc-v2-aux.xml
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<?xml version="1.0"?>
<!-- Copyright (C) 2018 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved. -->

<!DOCTYPE feature SYSTEM "gdb-target.dtd">
<feature name="org.gnu.gdb.arc.aux">
<flags id="status32_type" size="4">
<field name="H" start="0" end="0"/>
<field name="E" start="1" end="4"/>
<field name="AE" start="5" end="5"/>
<field name="DE" start="6" end="6"/>
<field name="U" start="7" end="7"/>
<field name="V" start="8" end="8"/>
<field name="C" start="9" end="9"/>
<field name="N" start="10" end="10"/>
<field name="Z" start="11" end="11"/>
<field name="L" start="12" end="12"/>
<field name="DZ" start="13" end="13"/>
<field name="SC" start="14" end="14"/>
<field name="ES" start="15" end="15"/>
<field name="RB" start="16" end="18"/>
<field name="AD" start="19" end="19"/>
<field name="US" start="20" end="20"/>
<field name="IE" start="31" end="31"/>
</flags>
<reg name="pc" bitsize="32" regnum="36" type="code_ptr" group="general"/>
<reg name="lp_start" bitsize="32" regnum="37" type="code_ptr" group="general"/>
<reg name="lp_end" bitsize="32" regnum="38" type="code_ptr" group="general"/>
<reg name="status32" bitsize="32" regnum="39" type="status32_type" group="general"/>
</feature>
45 changes: 45 additions & 0 deletions gdb-xml/arc-v2-core.xml
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<?xml version="1.0"?>
<!-- Copyright (C) 2018 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved. -->

<!DOCTYPE feature SYSTEM "gdb-target.dtd">
<feature name="org.gnu.gdb.arc.core">
<reg name="r0" bitsize="32" regnum="0" group="general"/>
<reg name="r1" bitsize="32" regnum="1" group="general"/>
<reg name="r2" bitsize="32" regnum="2" group="general"/>
<reg name="r3" bitsize="32" regnum="3" group="general"/>
<reg name="r4" bitsize="32" regnum="4" group="general"/>
<reg name="r5" bitsize="32" regnum="5" group="general"/>
<reg name="r6" bitsize="32" regnum="6" group="general"/>
<reg name="r7" bitsize="32" regnum="7" group="general"/>
<reg name="r8" bitsize="32" regnum="8" group="general"/>
<reg name="r9" bitsize="32" regnum="9" group="general"/>
<reg name="r10" bitsize="32" regnum="10" group="general"/>
<reg name="r11" bitsize="32" regnum="11" group="general"/>
<reg name="r12" bitsize="32" regnum="12" group="general"/>
<reg name="r13" bitsize="32" regnum="13" group="general"/>
<reg name="r14" bitsize="32" regnum="14" group="general"/>
<reg name="r15" bitsize="32" regnum="15" group="general"/>
<reg name="r16" bitsize="32" regnum="16" group="general"/>
<reg name="r17" bitsize="32" regnum="17" group="general"/>
<reg name="r18" bitsize="32" regnum="18" group="general"/>
<reg name="r19" bitsize="32" regnum="19" group="general"/>
<reg name="r20" bitsize="32" regnum="20" group="general"/>
<reg name="r21" bitsize="32" regnum="21" group="general"/>
<reg name="r22" bitsize="32" regnum="22" group="general"/>
<reg name="r23" bitsize="32" regnum="23" group="general"/>
<reg name="r24" bitsize="32" regnum="24" group="general"/>
<reg name="r25" bitsize="32" regnum="25" group="general"/>
<reg name="gp" bitsize="32" regnum="26" type="data_ptr" group="general"/>
<reg name="fp" bitsize="32" regnum="27" type="data_ptr" group="general"/>
<reg name="sp" bitsize="32" regnum="28" type="data_ptr" group="general"/>
<reg name="ilink" bitsize="32" regnum="29" type="code_ptr" group="general"/>
<reg name="r30" bitsize="32" regnum="30" group="general"/>
<reg name="blink" bitsize="32" regnum="31" type="code_ptr" group="general"/>
<reg name="accl" bitsize="32" regnum="32" group="general"/>
<reg name="acch" bitsize="32" regnum="33" group="general"/>
<reg name="lp_count" bitsize="32" regnum="34" type="uint32" group="general"/>
<reg name="pcl" bitsize="32" regnum="35" type="code_ptr" group="general"/>
</feature>
235 changes: 235 additions & 0 deletions gdb-xml/arc-v2-other.xml
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<?xml version="1.0"?>
<!-- Copyright (C) 2018 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved. -->

<!DOCTYPE feature SYSTEM "gdb-target.dtd">
<feature name="org.gnu.gdb.arc.other">
<flags id="timer_build_type" size="4">
<field name="version" start="0" end="7"/>
<field name="t0" start="8" end="8"/>
<field name="t1" start="9" end="9"/>
<field name="rtc" start="10" end="10"/>
<field name="p0" start="16" end="19"/>
<field name="p1" start="20" end="23"/>
</flags>
<flags id="irq_build_type" size="4">
<field name="version" start="0" end="7"/>
<field name="IRQs" start="8" end="15"/>
<field name="exts" start="16" end="23"/>
<field name="p" start="24" end="27"/>
<field name="f" start="28" end="28"/>
</flags>
<flags id="mpy_build_type" size="4">
<field name="version32x32" start="0" end="7"/>
<field name="type" start="8" end="9"/>
<field name="cyc" start="10" end="11"/>
<field name="DSP" start="12" end="15"/>
<field name="version16x16" start="16" end="23"/>
</flags>
<flags id="vecbase_build_type" size="4">
<field name="version" start="2" end="9"/>
<field name="addr" start="10" end="31"/>
</flags>
<flags id="isa_config_type" size="4">
<field name="version" start="0" end="7"/>
<field name="pc_size" start="8" end="11"/>
<field name="lpc_size" start="12" end="15"/>
<field name="addr_size" start="16" end="19"/>
<field name="b" start="20" end="20"/>
<field name="a" start="21" end="21"/>
<field name="n" start="22" end="22"/>
<field name="l" start="23" end="23"/>
<field name="c" start="24" end="27"/>
<field name="d" start="28" end="31"/>
</flags>
<flags id="timer_ctrl_type" size="4">
<field name="ie" start="0" end="0"/>
<field name="nh" start="1" end="1"/>
<field name="w" start="2" end="2"/>
<field name="ip" start="3" end="3"/>
<field name="pd" start="4" end="4"/>
</flags>
<flags id="tlbpd0_type" size="4">
<field name="a" start="0" end="7" type="uint8"/>
<field name="g" start="8" end="8" type="bool"/>
<field name="v" start="9" end="9" type="bool"/>
<field name="sz " start="10" end="10" type="bool"/>
<field name="vpn" start="12" end="30" type="uint32"/>
<field name="s" start="31" end="31" type="bool"/>
</flags>
<flags id="tlbpd1_type" size="4">
<field name="fc" start="0" end="0"/>
<field name="eu" start="1" end="1"/>
<field name="wu" start="2" end="2"/>
<field name="ru" start="3" end="3"/>
<field name="ek" start="4" end="4"/>
<field name="wk" start="5" end="5"/>
<field name="rk" start="6" end="6"/>
<field name="ppn" start="12" end="31"/>
</flags>
<flags id="tlbindex_type" size="4">
<field name="index" start="0" end="12"/>
<field name="rc" start="28" end="30"/>
<field name="e" start="31" end="31"/>
</flags>
<flags id="tlbcmd_type" size="4">
<field name="cmd" start="0" end="5"/>
</flags>
<flags id="pid_type" size="4">
<field name="p" start="0" end="7" />
<field name="s" start="29" end="29"/>
<field name="t" start="31" end="31"/>
</flags>
<flags id="erstatus_type" size="4">
<field name="e" start="1" end="4" />
<field name="ae" start="5" end="5" />
<field name="de" start="6" end="6" />
<field name="u" start="7" end="7" />
<field name="v" start="8" end="8" />
<field name="c" start="9" end="9" />
<field name="n" start="10" end="10"/>
<field name="z" start="11" end="11"/>
<field name="l" start="12" end="12"/>
<field name="dz" start="13" end="13"/>
<field name="sc" start="14" end="14"/>
<field name="es" start="15" end="15"/>
<field name="rb" start="16" end="18"/>
<field name="ad" start="19" end="19"/>
<field name="us" start="20" end="20"/>
<field name="ie" start="31" end="31"/>
</flags>
<flags id="ecr_type" size="4">
<field name="parameter" start="0" end="7" />
<field name="causecode" start="8" end="15"/>
<field name="vectornumber" start="16" end="23"/>
<field name="u" start="30" end="30"/>
<field name="p" start="31" end="31"/>
</flags>
<flags id="irq_ctrl_type" size="4">
<field name="nr" start="0" end="4"/>
<field name="b" start="9" end="9"/>
<field name="l" start="10" end="10"/>
<field name="u" start="11" end="11"/>
<field name="lp" start="13" end="13"/>
</flags>
<flags id="irq_act_type" size="4">
<field name="active" start="0" end="15"/>
<field name="u" start="31" end="31"/>
</flags>
<flags id="irq_status_type" size="4">
<field name="p" start="0" end="3"/>
<field name="e" start="4" end="4"/>
<field name="t" start="5" end="5"/>
<field name="ip" start="31" end="31"/>
</flags>
<flags id="mpu_build_type" size="4">
<field name="version" start="0" end="7"/>
<field name="regions" start="8" end="15"/>
</flags>
<flags id="mpuen_type" size="4">
<field name="ue" start="3" end="3"/>
<field name="uw" start="4" end="4"/>
<field name="ur" start="5" end="5"/>
<field name="ke" start="6" end="6"/>
<field name="kw" start="7" end="7"/>
<field name="kr" start="8" end="8"/>
<field name="en" start="30" end="30"/>
</flags>
<flags id="mpuecr_type" size="4">
<field name="mr" start="0" end="7"/>
<field name="vt" start="8" end="9"/>
<field name="ec_code" start="16" end="31"/>
</flags>
<flags id="mpurdb_type" size="4">
<field name="v" start="0" end="0"/>
<field name="base_addr" start="5" end="31"/>
</flags>
<flags id="mpurdp_type" size="4">
<field name="size_lower" start="0" end="1"/>
<field name="ue" start="3" end="3"/>
<field name="uw" start="4" end="4"/>
<field name="ur" start="5" end="5"/>
<field name="ke" start="6" end="6"/>
<field name="kw" start="7" end="7"/>
<field name="kr" start="8" end="8"/>
<field name="size_upper" start="9" end="11"/>
</flags>
<!-- build registers -->
<reg name="timer_build" bitsize="32" regnum="40" type="timer_build_type" group=""/>
<reg name="irq_build" bitsize="32" regnum="41" type="irq_build_type" group=""/>
<reg name="mpy_build" bitsize="32" regnum="42" type="mpy_build_type" group=""/>
<reg name="vecbase_build" bitsize="32" regnum="43" type="vecbase_build_type" group=""/>
<reg name="isa_config" bitsize="32" regnum="44" type="isa_config_type" group=""/>
<!-- timer registers -->
<reg name="timer_count0" bitsize="32" regnum="45" group="general"/>
<reg name="timer_ctrl0" bitsize="32" regnum="46" type="timer_ctrl_type" group="general"/>
<reg name="timer_limit0" bitsize="32" regnum="47" group="general"/>
<reg name="timer_count1" bitsize="32" regnum="48" group="general"/>
<reg name="timer_ctrl1" bitsize="32" regnum="49" type="timer_ctrl_type" group="general"/>
<reg name="timer_limit1" bitsize="32" regnum="50" group="general"/>
<!-- mmu registers -->
<reg name="pid" bitsize="32" regnum="51" type="pid_type" group="general"/>
<reg name="tlbpd0" bitsize="32" regnum="52" type="tlbpd0_type" group="general"/>
<reg name="tlbpd1" bitsize="32" regnum="53" type="tlbpd1_type" group="general"/>
<reg name="tlbindex" bitsize="32" regnum="54" type="tlbindex_type" group="general"/>
<reg name="tlbcmd" bitsize="32" regnum="55" type="tlbcmd_type" group="general"/>
<!-- mpu registers -->
<reg name="mpu_build" bitsize="32" regnum="56" type="mpu_build_type" group=""/>
<reg name="mpuen" bitsize="32" regnum="57" type="mpuen_type" group=""/>
<reg name="mpuecr" bitsize="32" regnum="58" type="mpuecr_type" group=""/>
<reg name="mpurdb0" bitsize="32" regnum="59" type="mpurdb_type" group=""/>
<reg name="mpurdb1" bitsize="32" regnum="60" type="mpurdb_type" group=""/>
<reg name="mpurdb2" bitsize="32" regnum="61" type="mpurdb_type" group=""/>
<reg name="mpurdb3" bitsize="32" regnum="62" type="mpurdb_type" group=""/>
<reg name="mpurdb4" bitsize="32" regnum="63" type="mpurdb_type" group=""/>
<reg name="mpurdb5" bitsize="32" regnum="64" type="mpurdb_type" group=""/>
<reg name="mpurdb6" bitsize="32" regnum="65" type="mpurdb_type" group=""/>
<reg name="mpurdb7" bitsize="32" regnum="66" type="mpurdb_type" group=""/>
<reg name="mpurdb8" bitsize="32" regnum="67" type="mpurdb_type" group=""/>
<reg name="mpurdb9" bitsize="32" regnum="68" type="mpurdb_type" group=""/>
<reg name="mpurdb10" bitsize="32" regnum="69" type="mpurdb_type" group=""/>
<reg name="mpurdb11" bitsize="32" regnum="70" type="mpurdb_type" group=""/>
<reg name="mpurdb12" bitsize="32" regnum="71" type="mpurdb_type" group=""/>
<reg name="mpurdb13" bitsize="32" regnum="72" type="mpurdb_type" group=""/>
<reg name="mpurdb14" bitsize="32" regnum="73" type="mpurdb_type" group=""/>
<reg name="mpurdb15" bitsize="32" regnum="74" type="mpurdb_type" group=""/>
<reg name="mpurdp0" bitsize="32" regnum="75" type="mpurdp_type" group=""/>
<reg name="mpurdp1" bitsize="32" regnum="76" type="mpurdp_type" group=""/>
<reg name="mpurdp2" bitsize="32" regnum="77" type="mpurdp_type" group=""/>
<reg name="mpurdp3" bitsize="32" regnum="78" type="mpurdp_type" group=""/>
<reg name="mpurdp4" bitsize="32" regnum="79" type="mpurdp_type" group=""/>
<reg name="mpurdp5" bitsize="32" regnum="80" type="mpurdp_type" group=""/>
<reg name="mpurdp6" bitsize="32" regnum="81" type="mpurdp_type" group=""/>
<reg name="mpurdp7" bitsize="32" regnum="82" type="mpurdp_type" group=""/>
<reg name="mpurdp8" bitsize="32" regnum="83" type="mpurdp_type" group=""/>
<reg name="mpurdp9" bitsize="32" regnum="84" type="mpurdp_type" group=""/>
<reg name="mpurdp10" bitsize="32" regnum="85" type="mpurdp_type" group=""/>
<reg name="mpurdp11" bitsize="32" regnum="86" type="mpurdp_type" group=""/>
<reg name="mpurdp12" bitsize="32" regnum="87" type="mpurdp_type" group=""/>
<reg name="mpurdp13" bitsize="32" regnum="88" type="mpurdp_type" group=""/>
<reg name="mpurdp14" bitsize="32" regnum="89" type="mpurdp_type" group=""/>
<reg name="mpurdp15" bitsize="32" regnum="90" type="mpurdp_type" group=""/>
<!-- exception registers -->
<reg name="erstatus" bitsize="32" regnum="91" type="erstatus_type" group="general"/>
<reg name="erbta" bitsize="32" regnum="92" type="code_ptr" group="general"/>
<reg name="ecr" bitsize="32" regnum="93" type="ecr_type" group="general"/>
<reg name="eret" bitsize="32" regnum="94" type="code_ptr" group="general"/>
<reg name="efa" bitsize="32" regnum="95" type="uint32" group="general"/>
<!-- irq registers -->
<reg name="icause" bitsize="32" regnum="96" type="uint8" group="general"/>
<reg name="aux_irq_ctrl" bitsize="32" regnum="97" type="irq_ctrl_type" group="general"/>
<reg name="aux_irq_act" bitsize="32" regnum="98" type="irq_act_type" group="general"/>
<reg name="irq_priority_pending" bitsize="32" regnum="99" type="uint16" group="general"/>
<reg name="aux_irq_hint" bitsize="32" regnum="100" type="uint8" group="general"/>
<reg name="irq_select" bitsize="32" regnum="101" type="uint8" group="general"/>
<reg name="irq_enable" bitsize="32" regnum="102" type="bool" group="general"/>
<reg name="irq_trigger" bitsize="32" regnum="103" type="bool" group="general"/>
<reg name="irq_status" bitsize="32" regnum="104" type="irq_status_type" group="general"/>
<reg name="irq_pulse_cancel" bitsize="32" regnum="105" type="bool" group="general"/>
<reg name="irq_pending" bitsize="32" regnum="106" type="bool" group="general"/>
<reg name="irq_priority" bitsize="32" regnum="107" type="uint8" group="general"/>
<!-- miscellaneous -->
<reg name="bta" bitsize="32" regnum="108" type="code_ptr" group="general"/>
</feature>
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