[libvirt PATCH V3 1/4] 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(a)loongson.cn&gt; --- src/conf/schemas/basictypes.rng | 1 + src/cpu/cpu.c | 2 ++ src/cpu/cpu_loongarch.c | 58 +++++++++++++++++++++++++++++++++ src/cpu/cpu_loongarch.h | 25 ++++++++++++++ src/cpu/meson.build | 1 + src/qemu/qemu_capabilities.c | 11 ++++--- src/qemu/qemu_domain.c | 1 + src/util/virarch.c | 11 ++++--- src/util/virarch.h | 13 +++++--- 9 files changed, 108 insertions(+), 15 deletions(-) create mode 100644 src/cpu/cpu_loongarch.c create mode 100644 src/cpu/cpu_loongarch.h diff --git a/src/conf/schemas/basictypes.rng b/src/conf/schemas/basictypes.rng index b65d210091..2931e316b7 100644 --- a/src/conf/schemas/basictypes.rng +++ b/src/conf/schemas/basictypes.rng @@ -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> diff --git a/src/cpu/cpu.c b/src/cpu/cpu.c index 4f048d0dad..33701811fb 100644 --- a/src/cpu/cpu.c +++ b/src/cpu/cpu.c @@ -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, }; diff --git a/src/cpu/cpu_loongarch.c b/src/cpu/cpu_loongarch.c new file mode 100644 index 0000000000..78d9941320 --- /dev/null +++ b/src/cpu/cpu_loongarch.c @@ -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, +}; diff --git a/src/cpu/cpu_loongarch.h b/src/cpu/cpu_loongarch.h new file mode 100644 index 0000000000..4bc1c0cd8f --- /dev/null +++ b/src/cpu/cpu_loongarch.h @@ -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; diff --git a/src/cpu/meson.build b/src/cpu/meson.build index 55396903b9..141230e380 100644 --- a/src/cpu/meson.build +++ b/src/cpu/meson.build @@ -1,6 +1,7 @@ cpu_sources = [ 'cpu.c', 'cpu_arm.c', + 'cpu_loongarch.c', 'cpu_map.c', 'cpu_ppc64.c', 'cpu_riscv64.c', diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c index e383d85920..5023adc761 100644 --- a/src/qemu/qemu_capabilities.c +++ b/src/qemu/qemu_capabilities.c @@ -2645,36 +2645,37 @@ 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 */ }; diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c index d7be544710..3c2b4d7370 100644 --- a/src/qemu/qemu_domain.c +++ b/src/qemu/qemu_domain.c @@ -4257,6 +4257,7 @@ 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: diff --git a/src/util/virarch.c b/src/util/virarch.c index 01e520de73..8545f993ea 100644 --- a/src/util/virarch.c +++ b/src/util/virarch.c @@ -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 }, }; diff --git a/src/util/virarch.h b/src/util/virarch.h index 747f77c48e..2c01a13b8e 100644 --- a/src/util/virarch.h +++ b/src/util/virarch.h @@ -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, -- 2.39.1