From: Fabiano Rosas <farosas@suse.de>
To: Bibo Mao <maobibo@loongson.cn>,
Laurent Vivier <lvivier@redhat.com>, Peter Xu <peterx@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Song Gao <gaosong@loongson.cn>,
qemu-devel@nongnu.org
Subject: Re: [PATCH v2] tests/qtest/migration: Add migration test on loongarch
Date: Thu, 11 Jun 2026 14:27:55 -0300 [thread overview]
Message-ID: <8733ytng10.fsf@suse.de> (raw)
In-Reply-To: <20260611084312.70042-1-maobibo@loongson.cn>
Bibo Mao <maobibo@loongson.cn> writes:
> Add migration qtest on loongarch64 system, the test passes to run with
> the following result:
> qemu:qtest+qtest-loongarch64/qtest-loongarch64/migration-test OK 15.94s 9 subtests passed
>
> Signed-off-by: Bibo Mao <maobibo@loongson.cn>
> ---
> v1 ... v2:
> 1. Add SPDX-License in __note in file tests/qtest/migration/Makefile
> 2. Regerate file tests/qtest/migration/loongarch64/a-b-kernel.h with
> __note information
> ---
> MAINTAINERS | 1 +
> tests/qtest/meson.build | 3 +-
> tests/qtest/migration/Makefile | 4 +-
> tests/qtest/migration/bootfile.c | 4 ++
> tests/qtest/migration/bootfile.h | 4 ++
> tests/qtest/migration/framework.c | 6 +++
> tests/qtest/migration/loongarch64/Makefile | 20 ++++++++
> .../qtest/migration/loongarch64/a-b-kernel.S | 46 +++++++++++++++++++
> .../qtest/migration/loongarch64/a-b-kernel.h | 20 ++++++++
> 9 files changed, 106 insertions(+), 2 deletions(-)
> create mode 100644 tests/qtest/migration/loongarch64/Makefile
> create mode 100644 tests/qtest/migration/loongarch64/a-b-kernel.S
> create mode 100644 tests/qtest/migration/loongarch64/a-b-kernel.h
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 2b5b581e17..91d72feebe 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -1359,6 +1359,7 @@ F: hw/intc/loongarch_*.c
> F: hw/intc/loongson_ipi_common.c
> F: hw/rtc/ls7a_rtc.c
> F: gdbstub/gdb-xml/loongarch*.xml
> +F: tests/qtest/migration/loongarch64/
>
> M68K Machines
> -------------
> diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build
> index 45ea497fa5..1636b8616e 100644
> --- a/tests/qtest/meson.build
> +++ b/tests/qtest/meson.build
> @@ -154,7 +154,8 @@ qtests_loongarch64 = qtests_filter + \
> (config_all_devices.has_key('CONFIG_LOONGARCH_VIRT') ? ['numa-test'] : []) + \
> (unpack_edk2_blobs ? ['bios-tables-test'] : []) + \
> ['boot-serial-test',
> - 'cpu-plug-test']
> + 'cpu-plug-test',
> + 'migration-test']
>
> qtests_m68k = ['boot-serial-test'] + \
> qtests_filter
> diff --git a/tests/qtest/migration/Makefile b/tests/qtest/migration/Makefile
> index c183b69941..626e3974f7 100644
> --- a/tests/qtest/migration/Makefile
> +++ b/tests/qtest/migration/Makefile
> @@ -5,7 +5,7 @@
> # See the COPYING file in the top-level directory.
> #
>
> -TARGET_LIST = i386 aarch64 s390x ppc64
> +TARGET_LIST = i386 aarch64 s390x ppc64 loongarch64
>
> SRC_PATH = ../../../..
>
> @@ -23,6 +23,8 @@ help:
> @echo " Possible targets are: $(TARGET_LIST)"
>
> override define __note
> +/* SPDX-License-Identifier: GPL-2.0-or-later */
> +
> /*
> * This file is automatically generated from the assembly file in
> * tests/qtest/migration/$@. Edit that file and then run "make"
> diff --git a/tests/qtest/migration/bootfile.c b/tests/qtest/migration/bootfile.c
> index 479c43231d..e46ad09de7 100644
> --- a/tests/qtest/migration/bootfile.c
> +++ b/tests/qtest/migration/bootfile.c
> @@ -19,6 +19,7 @@
> #include "bootfile.h"
> #include "i386/a-b-bootblock.h"
> #include "aarch64/a-b-kernel.h"
> +#include "loongarch64/a-b-kernel.h"
> #include "ppc64/a-b-kernel.h"
> #include "s390x/a-b-bios.h"
>
> @@ -57,6 +58,9 @@ char *bootfile_create(const char *arch, const char *dir, bool suspend_me)
> content = aarch64_kernel;
> len = sizeof(aarch64_kernel);
> g_assert(sizeof(aarch64_kernel) <= ARM_TEST_MAX_KERNEL_SIZE);
> + } else if (strcmp(arch, "loongarch64") == 0) {
> + content = loongarch64_kernel;
> + len = sizeof(loongarch64_kernel);
> } else {
> g_assert_not_reached();
> }
> diff --git a/tests/qtest/migration/bootfile.h b/tests/qtest/migration/bootfile.h
> index 0ce5b34433..a4060ea4f7 100644
> --- a/tests/qtest/migration/bootfile.h
> +++ b/tests/qtest/migration/bootfile.h
> @@ -42,6 +42,10 @@
> */
> #define ARM_TEST_MAX_KERNEL_SIZE (512 * 1024)
>
> +/* LoongArch64 */
> +#define LOONGARCH_TEST_MEM_START (32 * 1024 * 1024)
> +#define LOONGARCH_TEST_MEM_END (100 * 1024 * 1024)
> +
> #ifndef MIGRATION_GUEST_CODE
> void bootfile_delete(void);
> char *bootfile_create(const char *arch, const char *dir, bool suspend_me);
> diff --git a/tests/qtest/migration/framework.c b/tests/qtest/migration/framework.c
> index a9b58d03aa..a830b96f41 100644
> --- a/tests/qtest/migration/framework.c
> +++ b/tests/qtest/migration/framework.c
> @@ -360,6 +360,12 @@ int migrate_args(char **from, char **to, MigrateStart *args)
> arch_opts = g_strdup_printf("-cpu max -kernel %s", bootpath);
> start_address = ARM_TEST_MEM_START;
> end_address = ARM_TEST_MEM_END;
> + } else if (strcmp(arch, "loongarch64") == 0) {
> + memory_size = "256M";
> + machine_alias = "virt";
> + arch_opts = g_strdup_printf("-bios %s", bootpath);
> + start_address = LOONGARCH_TEST_MEM_START;
> + end_address = LOONGARCH_TEST_MEM_END;
> } else {
> g_assert_not_reached();
> }
> diff --git a/tests/qtest/migration/loongarch64/Makefile b/tests/qtest/migration/loongarch64/Makefile
> new file mode 100644
> index 0000000000..3c8cfeee86
> --- /dev/null
> +++ b/tests/qtest/migration/loongarch64/Makefile
> @@ -0,0 +1,20 @@
> +# SPDX-License-Identifier: GPL-2.0-or-later
> +
> +# To specify cross compiler prefix, use CROSS_PREFIX=
> +# $ make CROSS_PREFIX=loongarch64-linux-gnu-
> +
> +.PHONY: all clean
> +all: a-b-kernel.h
> +
> +a-b-kernel.h: loongarch64.kernel
> + echo "$$__note" > $@
> + xxd -i $< | sed -e 's/.*int.*//' >> $@
> +
> +loongarch64.kernel: loongarch64.elf
> + $(CROSS_PREFIX)objcopy -j .text -O binary $< $@
> +
> +loongarch64.elf: a-b-kernel.S
> + $(CROSS_PREFIX)gcc -o $@ -nostdlib -Wl,--build-id=none $<
> +
> +clean:
> + $(RM) *.kernel *.elf
> diff --git a/tests/qtest/migration/loongarch64/a-b-kernel.S b/tests/qtest/migration/loongarch64/a-b-kernel.S
> new file mode 100644
> index 0000000000..577d4b238c
> --- /dev/null
> +++ b/tests/qtest/migration/loongarch64/a-b-kernel.S
> @@ -0,0 +1,46 @@
> +/* SPDX-License-Identifier: GPL-2.0-or-later */
> +
> +#include "../bootfile.h"
> +
> +#define LOONGARCH_CSR_CRMD 0
> +#define LOONGARCH_VIRT_UART 0x1FE001E0
> +.section .text
> +
> + .globl _start
> +_start:
> + /* output char 'A' to UART16550 */
> + li.d $t0, LOONGARCH_VIRT_UART
> + li.w $t1, 'A'
> + st.b $t1, $t0, 0
> +
> + /* traverse test memory region */
> + li.d $t0, LOONGARCH_TEST_MEM_START
> + li.d $t1, LOONGARCH_TEST_MEM_END
> + li.d $t2, TEST_MEM_PAGE_SIZE
> + li.d $t4, LOONGARCH_VIRT_UART
> + li.w $t5, 'B'
> +
> +clean:
> + st.b $zero, $t0, 0
> + add.d $t0, $t0, $t2
> + bne $t0, $t1, clean
> + /* keeps a counter so we can limit the output speed */
> + addi.d $t6, $zero, 0
> +
> +mainloop:
> + li.d $t0, LOONGARCH_TEST_MEM_START
> +
> +innerloop:
> + ld.bu $t3, $t0, 0
> + addi.w $t3, $t3, 1
> + ext.w.b $t3, $t3
> + st.b $t3, $t0, 0
> + add.d $t0, $t0, $t2
> + bne $t0, $t1, innerloop
> +
> + addi.d $t6, $t6, 1
> + andi $t6, $t6, 31
> + bnez $t6, mainloop
> +
> + st.b $t5, $t4, 0
> + b mainloop
> diff --git a/tests/qtest/migration/loongarch64/a-b-kernel.h b/tests/qtest/migration/loongarch64/a-b-kernel.h
> new file mode 100644
> index 0000000000..6d5d811f79
> --- /dev/null
> +++ b/tests/qtest/migration/loongarch64/a-b-kernel.h
> @@ -0,0 +1,20 @@
> +/* SPDX-License-Identifier: GPL-2.0-or-later */
> +
> +/*
> + * This file is automatically generated from the assembly file in
> + * tests/qtest/migration/loongarch64. Edit that file and then run "make"
> + * inside tests/qtest/migration to update, and then remember to send both
> + * the header and the assembler differences in your patch submission.
> + */
> +unsigned char loongarch64_kernel[] = {
> + 0x0c, 0xc0, 0x3f, 0x14, 0x8c, 0x81, 0x87, 0x03, 0x0d, 0x04, 0x81, 0x03,
> + 0x8d, 0x01, 0x00, 0x29, 0x0c, 0x00, 0x04, 0x14, 0x0d, 0x80, 0x0c, 0x14,
> + 0x2e, 0x00, 0x00, 0x14, 0x10, 0xc0, 0x3f, 0x14, 0x10, 0x82, 0x87, 0x03,
> + 0x11, 0x08, 0x81, 0x03, 0x80, 0x01, 0x00, 0x29, 0x8c, 0xb9, 0x10, 0x00,
> + 0x8d, 0xf9, 0xff, 0x5f, 0x12, 0x00, 0xc0, 0x02, 0x0c, 0x00, 0x04, 0x14,
> + 0x8f, 0x01, 0x00, 0x2a, 0xef, 0x05, 0x80, 0x02, 0xef, 0x5d, 0x00, 0x00,
> + 0x8f, 0x01, 0x00, 0x29, 0x8c, 0xb9, 0x10, 0x00, 0x8d, 0xed, 0xff, 0x5f,
> + 0x52, 0x06, 0xc0, 0x02, 0x52, 0x7e, 0x40, 0x03, 0x5f, 0xde, 0xff, 0x47,
> + 0x11, 0x02, 0x00, 0x29, 0xff, 0xd7, 0xff, 0x53
> +};
> +
>
> base-commit: 10a9fa0065a3cd3dcf12e2eae6b8caaac6ecdec7
Acked-by: Fabiano Rosas <farosas@suse.de>
next prev parent reply other threads:[~2026-06-11 17:28 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-11 8:43 [PATCH v2] tests/qtest/migration: Add migration test on loongarch Bibo Mao
2026-06-11 12:18 ` Philippe Mathieu-Daudé
2026-06-11 17:27 ` Fabiano Rosas [this message]
2026-06-11 17:56 ` Peter Xu
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