Add loongarch cpu support

Add loongarch cpu support, Define new cpu type 'loongarch64'
and implement it's driver functions.

Signed-off-by: Xianglai Li <lixianglai@loongson.cn>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
This commit is contained in:
Xianglai Li 2024-03-21 11:30:26 +08:00 committed by Andrea Bolognani
parent 8a3f8d9575
commit a4e3718981
10 changed files with 109 additions and 16 deletions

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@ -444,6 +444,7 @@
<value>i686</value>
<value>ia64</value>
<value>lm32</value>
<value>loongarch64</value>
<value>m68k</value>
<value>microblaze</value>
<value>microblazeel</value>

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@ -27,6 +27,7 @@
#include "cpu_ppc64.h"
#include "cpu_s390.h"
#include "cpu_arm.h"
#include "cpu_loongarch.h"
#include "cpu_riscv64.h"
#include "capabilities.h"
@ -41,6 +42,7 @@ static struct cpuArchDriver *drivers[] = {
&cpuDriverS390,
&cpuDriverArm,
&cpuDriverRiscv64,
&cpuDriverLoongArch,
};

58
src/cpu/cpu_loongarch.c Normal file
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@ -0,0 +1,58 @@
/*
* cpu_loongarch.c: CPU driver for 64-bit LOONGARCH CPUs
*
* Copyright (C) 2024 Loongson Technology.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include "virlog.h"
#include "cpu.h"
#define VIR_FROM_THIS VIR_FROM_CPU
VIR_LOG_INIT("cpu.cpu_loongarch");
static const virArch archs[] = { VIR_ARCH_LOONGARCH64 };
static virCPUCompareResult
virCPULoongArchCompare(virCPUDef *host G_GNUC_UNUSED,
virCPUDef *cpu G_GNUC_UNUSED,
bool failIncompatible G_GNUC_UNUSED)
{
return VIR_CPU_COMPARE_IDENTICAL;
}
static int
virCPULoongArchUpdate(virCPUDef *guest G_GNUC_UNUSED,
const virCPUDef *host G_GNUC_UNUSED,
bool relative G_GNUC_UNUSED)
{
return 0;
}
struct cpuArchDriver cpuDriverLoongArch = {
.name = "LoongArch",
.arch = archs,
.narch = G_N_ELEMENTS(archs),
.compare = virCPULoongArchCompare,
.decode = NULL,
.encode = NULL,
.dataFree = NULL,
.baseline = NULL,
.update = virCPULoongArchUpdate,
.getModels = NULL,
};

25
src/cpu/cpu_loongarch.h Normal file
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@ -0,0 +1,25 @@
/*
* cpu_loongarch.h: CPU driver for 64-bit LOONGARCH CPUs
*
* Copyright (C) 2024 Loongson Technology.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "cpu.h"
extern struct cpuArchDriver cpuDriverLoongArch;

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@ -1,6 +1,7 @@
cpu_sources = [
'cpu.c',
'cpu_arm.c',
'cpu_loongarch.c',
'cpu_map.c',
'cpu_ppc64.c',
'cpu_riscv64.c',

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@ -2696,36 +2696,37 @@ static const char *preferredMachines[] =
NULL, /* VIR_ARCH_ITANIUM (doesn't exist in QEMU any more) */
"lm32-evr", /* VIR_ARCH_LM32 */
NULL, /* VIR_ARCH_LOONGARCH64 */
"mcf5208evb", /* VIR_ARCH_M68K */
"petalogix-s3adsp1800", /* VIR_ARCH_MICROBLAZE */
"petalogix-s3adsp1800", /* VIR_ARCH_MICROBLAZEEL */
"malta", /* VIR_ARCH_MIPS */
"malta", /* VIR_ARCH_MIPSEL */
"malta", /* VIR_ARCH_MIPSEL */
"malta", /* VIR_ARCH_MIPS64 */
"malta", /* VIR_ARCH_MIPS64EL */
"or1k-sim", /* VIR_ARCH_OR32 */
NULL, /* VIR_ARCH_PARISC (no QEMU impl) */
NULL, /* VIR_ARCH_PARISC64 (no QEMU impl) */
NULL, /* VIR_ARCH_PARISC64 (no QEMU impl) */
"g3beige", /* VIR_ARCH_PPC */
"g3beige", /* VIR_ARCH_PPCLE */
"pseries", /* VIR_ARCH_PPC64 */
"pseries", /* VIR_ARCH_PPC64LE */
"bamboo", /* VIR_ARCH_PPCEMB */
"bamboo", /* VIR_ARCH_PPCEMB */
"virt", /* VIR_ARCH_RISCV32 */
"virt", /* VIR_ARCH_RISCV64 */
NULL, /* VIR_ARCH_S390 (no QEMU impl) */
"s390-ccw-virtio", /* VIR_ARCH_S390X */
"shix", /* VIR_ARCH_SH4 */
"shix", /* VIR_ARCH_SH4 */
"shix", /* VIR_ARCH_SH4EB */
"SS-5", /* VIR_ARCH_SPARC */
"sun4u", /* VIR_ARCH_SPARC64 */
"puv3", /* VIR_ARCH_UNICORE32 */
"pc", /* VIR_ARCH_X86_64 */
"pc", /* VIR_ARCH_X86_64 */
"sim", /* VIR_ARCH_XTENSA */
"sim", /* VIR_ARCH_XTENSAEB */
};

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@ -4266,6 +4266,7 @@ qemuDomainDefAddDefaultDevices(virQEMUDriver *driver,
case VIR_ARCH_CRIS:
case VIR_ARCH_ITANIUM:
case VIR_ARCH_LM32:
case VIR_ARCH_LOONGARCH64:
case VIR_ARCH_M68K:
case VIR_ARCH_MICROBLAZE:
case VIR_ARCH_MICROBLAZEEL:

View File

@ -51,36 +51,37 @@ static const struct virArchData {
{ "ia64", 64, VIR_ARCH_LITTLE_ENDIAN },
{ "lm32", 32, VIR_ARCH_BIG_ENDIAN },
{ "loongarch64", 64, VIR_ARCH_LITTLE_ENDIAN },
{ "m68k", 32, VIR_ARCH_BIG_ENDIAN },
{ "microblaze", 32, VIR_ARCH_BIG_ENDIAN },
{ "microblazeel", 32, VIR_ARCH_LITTLE_ENDIAN},
{ "mips", 32, VIR_ARCH_BIG_ENDIAN },
{ "mipsel", 32, VIR_ARCH_LITTLE_ENDIAN },
{ "mipsel", 32, VIR_ARCH_LITTLE_ENDIAN },
{ "mips64", 64, VIR_ARCH_BIG_ENDIAN },
{ "mips64el", 64, VIR_ARCH_LITTLE_ENDIAN },
{ "openrisc", 32, VIR_ARCH_BIG_ENDIAN },
{ "parisc", 32, VIR_ARCH_BIG_ENDIAN },
{ "parisc64", 64, VIR_ARCH_BIG_ENDIAN },
{ "parisc64", 64, VIR_ARCH_BIG_ENDIAN },
{ "ppc", 32, VIR_ARCH_BIG_ENDIAN },
{ "ppcle", 32, VIR_ARCH_LITTLE_ENDIAN },
{ "ppc64", 64, VIR_ARCH_BIG_ENDIAN },
{ "ppc64le", 64, VIR_ARCH_LITTLE_ENDIAN },
{ "ppcemb", 32, VIR_ARCH_BIG_ENDIAN },
{ "ppcemb", 32, VIR_ARCH_BIG_ENDIAN },
{ "riscv32", 32, VIR_ARCH_LITTLE_ENDIAN },
{ "riscv64", 64, VIR_ARCH_LITTLE_ENDIAN },
{ "s390", 32, VIR_ARCH_BIG_ENDIAN },
{ "s390x", 64, VIR_ARCH_BIG_ENDIAN },
{ "sh4", 32, VIR_ARCH_LITTLE_ENDIAN },
{ "sh4", 32, VIR_ARCH_LITTLE_ENDIAN },
{ "sh4eb", 64, VIR_ARCH_BIG_ENDIAN },
{ "sparc", 32, VIR_ARCH_BIG_ENDIAN },
{ "sparc64", 64, VIR_ARCH_BIG_ENDIAN },
{ "unicore32", 32, VIR_ARCH_LITTLE_ENDIAN },
{ "x86_64", 64, VIR_ARCH_LITTLE_ENDIAN },
{ "x86_64", 64, VIR_ARCH_LITTLE_ENDIAN },
{ "xtensa", 32, VIR_ARCH_LITTLE_ENDIAN },
{ "xtensaeb", 32, VIR_ARCH_BIG_ENDIAN },
};

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@ -36,36 +36,37 @@ typedef enum {
VIR_ARCH_ITANIUM, /* Itanium 64 LE https://en.wikipedia.org/wiki/Itanium */
VIR_ARCH_LM32, /* MilkyMist 32 BE https://en.wikipedia.org/wiki/Milkymist */
VIR_ARCH_LOONGARCH64, /* LoongArch 64 LE https://en.wikipedia.org/wiki/Loongson#LoongArch */
VIR_ARCH_M68K, /* m68k 32 BE https://en.wikipedia.org/wiki/Motorola_68000_family */
VIR_ARCH_MICROBLAZE, /* Microblaze 32 BE https://en.wikipedia.org/wiki/MicroBlaze */
VIR_ARCH_MICROBLAZEEL, /* Microblaze 32 LE https://en.wikipedia.org/wiki/MicroBlaze */
VIR_ARCH_MIPS, /* MIPS 32 BE https://en.wikipedia.org/wiki/MIPS_architecture */
VIR_ARCH_MIPSEL, /* MIPS 32 LE https://en.wikipedia.org/wiki/MIPS_architecture */
VIR_ARCH_MIPSEL, /* MIPS 32 LE https://en.wikipedia.org/wiki/MIPS_architecture */
VIR_ARCH_MIPS64, /* MIPS 64 BE https://en.wikipedia.org/wiki/MIPS_architecture */
VIR_ARCH_MIPS64EL, /* MIPS 64 LE https://en.wikipedia.org/wiki/MIPS_architecture */
VIR_ARCH_OR32, /* OpenRisc 32 BE https://en.wikipedia.org/wiki/OpenRISC#QEMU_support */
VIR_ARCH_PARISC, /* PA-Risc 32 BE https://en.wikipedia.org/wiki/PA-RISC */
VIR_ARCH_PARISC64, /* PA-Risc 64 BE https://en.wikipedia.org/wiki/PA-RISC */
VIR_ARCH_PARISC64, /* PA-Risc 64 BE https://en.wikipedia.org/wiki/PA-RISC */
VIR_ARCH_PPC, /* PowerPC 32 BE https://en.wikipedia.org/wiki/PowerPC */
VIR_ARCH_PPCLE, /* PowerPC 32 LE https://en.wikipedia.org/wiki/PowerPC */
VIR_ARCH_PPC64, /* PowerPC 64 BE https://en.wikipedia.org/wiki/PowerPC */
VIR_ARCH_PPC64LE, /* PowerPC 64 LE https://en.wikipedia.org/wiki/PowerPC */
VIR_ARCH_PPCEMB, /* PowerPC 32 BE https://en.wikipedia.org/wiki/PowerPC */
VIR_ARCH_PPCEMB, /* PowerPC 32 BE https://en.wikipedia.org/wiki/PowerPC */
VIR_ARCH_RISCV32, /* RISC-V 32 LE https://en.wikipedia.org/wiki/RISC-V */
VIR_ARCH_RISCV64, /* RISC-V 64 LE https://en.wikipedia.org/wiki/RISC-V */
VIR_ARCH_S390, /* S390 32 BE https://en.wikipedia.org/wiki/S390 */
VIR_ARCH_S390X, /* S390 64 BE https://en.wikipedia.org/wiki/S390x */
VIR_ARCH_SH4, /* SuperH4 32 LE https://en.wikipedia.org/wiki/SuperH */
VIR_ARCH_SH4, /* SuperH4 32 LE https://en.wikipedia.org/wiki/SuperH */
VIR_ARCH_SH4EB, /* SuperH4 32 BE https://en.wikipedia.org/wiki/SuperH */
VIR_ARCH_SPARC, /* Sparc 32 BE https://en.wikipedia.org/wiki/Sparc */
VIR_ARCH_SPARC64, /* Sparc 64 BE https://en.wikipedia.org/wiki/Sparc */
VIR_ARCH_UNICORE32, /* UniCore 32 LE https://en.wikipedia.org/wiki/Unicore */
VIR_ARCH_X86_64, /* x86 64 LE https://en.wikipedia.org/wiki/X86 */
VIR_ARCH_X86_64, /* x86 64 LE https://en.wikipedia.org/wiki/X86 */
VIR_ARCH_XTENSA, /* XTensa 32 LE https://en.wikipedia.org/wiki/Xtensa#Processor_Cores */
VIR_ARCH_XTENSAEB, /* XTensa 32 BE https://en.wikipedia.org/wiki/Xtensa#Processor_Cores */
@ -106,6 +107,8 @@ typedef enum {
#define ARCH_IS_SH4(arch) ((arch) == VIR_ARCH_SH4 ||\
(arch) == VIR_ARCH_SH4EB)
#define ARCH_IS_LOONGARCH(arch) ((arch) == VIR_ARCH_LOONGARCH64)
typedef enum {
VIR_ARCH_LITTLE_ENDIAN,
VIR_ARCH_BIG_ENDIAN,

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@ -269,7 +269,7 @@ mymain(void)
DO_PARSE_TEST("usr/share/qemu/firmware/40-edk2-ovmf-4m-qcow2-x64-sb.json");
DO_PARSE_TEST("usr/share/qemu/firmware/41-edk2-ovmf-2m-raw-x64-sb.json");
DO_PARSE_TEST("usr/share/qemu/firmware/50-edk2-aarch64-qcow2.json");
DO_PARSE_FAILURE_TEST("usr/share/qemu/firmware/50-edk2-loongarch64.json");
DO_PARSE_TEST("usr/share/qemu/firmware/50-edk2-loongarch64.json");
DO_PARSE_TEST("usr/share/qemu/firmware/50-edk2-ovmf-4m-qcow2-x64-nosb.json");
DO_PARSE_TEST("usr/share/qemu/firmware/50-edk2-ovmf-x64-microvm.json");
DO_PARSE_TEST("usr/share/qemu/firmware/51-edk2-aarch64-raw.json");