tests: Add migration test for aarch64
This patch adds migration test support for aarch64. The test code, which implements the same functionality as x86, is booted as a kernel in qemu. Here are the design choices we make for aarch64: * We choose this -kernel approach because aarch64 QEMU doesn't provide a built-in fw like x86 does. So instead of relying on a boot loader, we use -kernel approach for aarch64. * The serial output is sent to PL011 directly. * The physical memory base for mach-virt machine is 0x40000000. We change the start_address and end_address for aarch64. In addition to providing the binary, this patch also includes the source code and the build script in tests/migration/aarch64. So users can change the source and/or re-compile the binary as they wish. Reviewed-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Andrew Jones <drjones@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Wei Huang <wei@redhat.com> Message-Id: <1538669326-28135-1-git-send-email-wei@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
parent
75e50c80e0
commit
c02b37814c
@ -402,6 +402,7 @@ check-qtest-arm-y += tests/hexloader-test$(EXESUF)
|
|||||||
check-qtest-aarch64-y = tests/numa-test$(EXESUF)
|
check-qtest-aarch64-y = tests/numa-test$(EXESUF)
|
||||||
check-qtest-aarch64-$(CONFIG_SDHCI) += tests/sdhci-test$(EXESUF)
|
check-qtest-aarch64-$(CONFIG_SDHCI) += tests/sdhci-test$(EXESUF)
|
||||||
check-qtest-aarch64-y += tests/boot-serial-test$(EXESUF)
|
check-qtest-aarch64-y += tests/boot-serial-test$(EXESUF)
|
||||||
|
check-qtest-aarch64-y += tests/migration-test$(EXESUF)
|
||||||
|
|
||||||
check-qtest-microblazeel-y = $(check-qtest-microblaze-y)
|
check-qtest-microblazeel-y = $(check-qtest-microblaze-y)
|
||||||
|
|
||||||
|
@ -86,12 +86,13 @@ static const char *tmpfs;
|
|||||||
* repeatedly. It outputs a 'B' at a fixed rate while it's still running.
|
* repeatedly. It outputs a 'B' at a fixed rate while it's still running.
|
||||||
*/
|
*/
|
||||||
#include "tests/migration/i386/a-b-bootblock.h"
|
#include "tests/migration/i386/a-b-bootblock.h"
|
||||||
|
#include "tests/migration/aarch64/a-b-kernel.h"
|
||||||
|
|
||||||
static void init_bootfile_x86(const char *bootpath)
|
static void init_bootfile(const char *bootpath, void *content)
|
||||||
{
|
{
|
||||||
FILE *bootfile = fopen(bootpath, "wb");
|
FILE *bootfile = fopen(bootpath, "wb");
|
||||||
|
|
||||||
g_assert_cmpint(fwrite(x86_bootsect, 512, 1, bootfile), ==, 1);
|
g_assert_cmpint(fwrite(content, 512, 1, bootfile), ==, 1);
|
||||||
fclose(bootfile);
|
fclose(bootfile);
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -428,7 +429,7 @@ static int test_migrate_start(QTestState **from, QTestState **to,
|
|||||||
got_stop = false;
|
got_stop = false;
|
||||||
|
|
||||||
if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
|
if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
|
||||||
init_bootfile_x86(bootpath);
|
init_bootfile(bootpath, x86_bootsect);
|
||||||
cmd_src = g_strdup_printf("-machine accel=%s -m 150M"
|
cmd_src = g_strdup_printf("-machine accel=%s -m 150M"
|
||||||
" -name source,debug-threads=on"
|
" -name source,debug-threads=on"
|
||||||
" -serial file:%s/src_serial"
|
" -serial file:%s/src_serial"
|
||||||
@ -459,6 +460,24 @@ static int test_migrate_start(QTestState **from, QTestState **to,
|
|||||||
|
|
||||||
start_address = PPC_TEST_MEM_START;
|
start_address = PPC_TEST_MEM_START;
|
||||||
end_address = PPC_TEST_MEM_END;
|
end_address = PPC_TEST_MEM_END;
|
||||||
|
} else if (strcmp(arch, "aarch64") == 0) {
|
||||||
|
init_bootfile(bootpath, aarch64_kernel);
|
||||||
|
cmd_src = g_strdup_printf("-machine virt,accel=%s,gic-version=max "
|
||||||
|
"-name vmsource,debug-threads=on -cpu max "
|
||||||
|
"-m 150M -serial file:%s/src_serial "
|
||||||
|
"-kernel %s ",
|
||||||
|
accel, tmpfs, bootpath);
|
||||||
|
cmd_dst = g_strdup_printf("-machine virt,accel=%s,gic-version=max "
|
||||||
|
"-name vmdest,debug-threads=on -cpu max "
|
||||||
|
"-m 150M -serial file:%s/dest_serial "
|
||||||
|
"-kernel %s "
|
||||||
|
"-incoming %s ",
|
||||||
|
accel, tmpfs, bootpath, uri);
|
||||||
|
|
||||||
|
start_address = ARM_TEST_MEM_START;
|
||||||
|
end_address = ARM_TEST_MEM_END;
|
||||||
|
|
||||||
|
g_assert(sizeof(aarch64_kernel) <= ARM_TEST_MAX_KERNEL_SIZE);
|
||||||
} else {
|
} else {
|
||||||
g_assert_not_reached();
|
g_assert_not_reached();
|
||||||
}
|
}
|
||||||
@ -545,7 +564,7 @@ static void test_deprecated(void)
|
|||||||
{
|
{
|
||||||
QTestState *from;
|
QTestState *from;
|
||||||
|
|
||||||
from = qtest_start("");
|
from = qtest_start("-machine none");
|
||||||
|
|
||||||
deprecated_set_downtime(from, 0.12345);
|
deprecated_set_downtime(from, 0.12345);
|
||||||
deprecated_set_speed(from, 12345);
|
deprecated_set_speed(from, 12345);
|
||||||
|
@ -5,7 +5,7 @@
|
|||||||
# See the COPYING file in the top-level directory.
|
# See the COPYING file in the top-level directory.
|
||||||
#
|
#
|
||||||
|
|
||||||
TARGET_LIST = i386
|
TARGET_LIST = i386 aarch64
|
||||||
|
|
||||||
SRC_PATH = ../..
|
SRC_PATH = ../..
|
||||||
|
|
||||||
|
18
tests/migration/aarch64/Makefile
Normal file
18
tests/migration/aarch64/Makefile
Normal file
@ -0,0 +1,18 @@
|
|||||||
|
# To specify cross compiler prefix, use CROSS_PREFIX=
|
||||||
|
# $ make CROSS_PREFIX=aarch64-linux-gnu-
|
||||||
|
|
||||||
|
.PHONY: all clean
|
||||||
|
all: a-b-kernel.h
|
||||||
|
|
||||||
|
a-b-kernel.h: aarch64.kernel
|
||||||
|
echo "$$__note" > $@
|
||||||
|
xxd -i $< | sed -e 's/.*int.*//' >> $@
|
||||||
|
|
||||||
|
aarch64.kernel: aarch64.elf
|
||||||
|
$(CROSS_PREFIX)objcopy -O binary $< $@
|
||||||
|
|
||||||
|
aarch64.elf: a-b-kernel.S
|
||||||
|
$(CROSS_PREFIX)gcc -o $@ -nostdlib -Wl,--build-id=none $<
|
||||||
|
|
||||||
|
clean:
|
||||||
|
$(RM) *.kernel *.elf
|
75
tests/migration/aarch64/a-b-kernel.S
Normal file
75
tests/migration/aarch64/a-b-kernel.S
Normal file
@ -0,0 +1,75 @@
|
|||||||
|
#
|
||||||
|
# Copyright (c) 2018 Red Hat, Inc. and/or its affiliates
|
||||||
|
#
|
||||||
|
# Author:
|
||||||
|
# Wei Huang <wei@redhat.com>
|
||||||
|
#
|
||||||
|
# This work is licensed under the terms of the GNU GPL, version 2 or later.
|
||||||
|
# See the COPYING file in the top-level directory.
|
||||||
|
#
|
||||||
|
# Note: Please make sure the compiler compiles the assembly code below with
|
||||||
|
# pc-relative address. Also the branch instructions should use relative
|
||||||
|
# addresses only.
|
||||||
|
|
||||||
|
#include "../migration-test.h"
|
||||||
|
|
||||||
|
.section .text
|
||||||
|
|
||||||
|
.globl _start
|
||||||
|
|
||||||
|
_start:
|
||||||
|
/* disable MMU to use phys mem address */
|
||||||
|
mrs x0, sctlr_el1
|
||||||
|
bic x0, x0, #(1<<0)
|
||||||
|
msr sctlr_el1, x0
|
||||||
|
isb
|
||||||
|
|
||||||
|
/* traverse test memory region */
|
||||||
|
mov x0, #ARM_TEST_MEM_START
|
||||||
|
mov x1, #ARM_TEST_MEM_END
|
||||||
|
|
||||||
|
/* output char 'A' to PL011 */
|
||||||
|
mov w3, 'A'
|
||||||
|
mov x2, #ARM_MACH_VIRT_UART
|
||||||
|
strb w3, [x2]
|
||||||
|
|
||||||
|
/* clean up memory */
|
||||||
|
mov w3, #0
|
||||||
|
mov x4, x0
|
||||||
|
clean:
|
||||||
|
strb w3, [x4]
|
||||||
|
add x4, x4, #TEST_MEM_PAGE_SIZE
|
||||||
|
cmp x4, x1
|
||||||
|
ble clean
|
||||||
|
|
||||||
|
/* w5 keeps a counter so we can limit the output speed */
|
||||||
|
mov w5, #0
|
||||||
|
|
||||||
|
/* main body */
|
||||||
|
mainloop:
|
||||||
|
mov x4, x0
|
||||||
|
|
||||||
|
innerloop:
|
||||||
|
/* increment the first byte of each page by 1 */
|
||||||
|
ldrb w3, [x4]
|
||||||
|
add w3, w3, #1
|
||||||
|
and w3, w3, #0xff
|
||||||
|
strb w3, [x4]
|
||||||
|
|
||||||
|
/* make sure QEMU user space can see consistent data as MMU is off */
|
||||||
|
dc civac, x4
|
||||||
|
|
||||||
|
add x4, x4, #TEST_MEM_PAGE_SIZE
|
||||||
|
cmp x4, x1
|
||||||
|
blt innerloop
|
||||||
|
|
||||||
|
add w5, w5, #1
|
||||||
|
and w5, w5, #0xff
|
||||||
|
cmp w5, #0
|
||||||
|
bne mainloop
|
||||||
|
|
||||||
|
/* output char 'B' to PL011 */
|
||||||
|
mov w3, 'B'
|
||||||
|
strb w3, [x2]
|
||||||
|
|
||||||
|
b mainloop
|
18
tests/migration/aarch64/a-b-kernel.h
Normal file
18
tests/migration/aarch64/a-b-kernel.h
Normal file
@ -0,0 +1,18 @@
|
|||||||
|
/* This file is automatically generated from the assembly file in
|
||||||
|
* tests/migration/aarch64. Edit that file and then run "make all"
|
||||||
|
* inside tests/migration to update, and then remember to send both
|
||||||
|
* the header and the assembler differences in your patch submission.
|
||||||
|
*/
|
||||||
|
unsigned char aarch64_kernel[] = {
|
||||||
|
0x00, 0x10, 0x38, 0xd5, 0x00, 0xf8, 0x7f, 0x92, 0x00, 0x10, 0x18, 0xd5,
|
||||||
|
0xdf, 0x3f, 0x03, 0xd5, 0x00, 0x02, 0xa8, 0xd2, 0x01, 0xc8, 0xa8, 0xd2,
|
||||||
|
0x23, 0x08, 0x80, 0x52, 0x02, 0x20, 0xa1, 0xd2, 0x43, 0x00, 0x00, 0x39,
|
||||||
|
0x03, 0x00, 0x80, 0x52, 0xe4, 0x03, 0x00, 0xaa, 0x83, 0x00, 0x00, 0x39,
|
||||||
|
0x84, 0x04, 0x40, 0x91, 0x9f, 0x00, 0x01, 0xeb, 0xad, 0xff, 0xff, 0x54,
|
||||||
|
0x05, 0x00, 0x80, 0x52, 0xe4, 0x03, 0x00, 0xaa, 0x83, 0x00, 0x40, 0x39,
|
||||||
|
0x63, 0x04, 0x00, 0x11, 0x63, 0x1c, 0x00, 0x12, 0x83, 0x00, 0x00, 0x39,
|
||||||
|
0x24, 0x7e, 0x0b, 0xd5, 0x84, 0x04, 0x40, 0x91, 0x9f, 0x00, 0x01, 0xeb,
|
||||||
|
0x2b, 0xff, 0xff, 0x54, 0xa5, 0x04, 0x00, 0x11, 0xa5, 0x1c, 0x00, 0x12,
|
||||||
|
0xbf, 0x00, 0x00, 0x71, 0x81, 0xfe, 0xff, 0x54, 0x43, 0x08, 0x80, 0x52,
|
||||||
|
0x43, 0x00, 0x00, 0x39, 0xf1, 0xff, 0xff, 0x17
|
||||||
|
};
|
@ -18,4 +18,13 @@
|
|||||||
#define PPC_TEST_MEM_START (1 * 1024 * 1024)
|
#define PPC_TEST_MEM_START (1 * 1024 * 1024)
|
||||||
#define PPC_TEST_MEM_END (100 * 1024 * 1024)
|
#define PPC_TEST_MEM_END (100 * 1024 * 1024)
|
||||||
|
|
||||||
|
/* ARM */
|
||||||
|
#define ARM_TEST_MEM_START (0x40000000 + 1 * 1024 * 1024)
|
||||||
|
#define ARM_TEST_MEM_END (0x40000000 + 100 * 1024 * 1024)
|
||||||
|
#define ARM_MACH_VIRT_UART 0x09000000
|
||||||
|
/* AArch64 kernel load address is 0x40080000, and the test memory starts at
|
||||||
|
* 0x40100000. So the maximum allowable kernel size is 512KB.
|
||||||
|
*/
|
||||||
|
#define ARM_TEST_MAX_KERNEL_SIZE (512 * 1024)
|
||||||
|
|
||||||
#endif /* _TEST_MIGRATION_H_ */
|
#endif /* _TEST_MIGRATION_H_ */
|
||||||
|
Loading…
Reference in New Issue
Block a user