Similar to other archs, build a custom bios memory updater. Running the
test with OF code is a cool trick, but SLOF takes a long time to boot.
This reduces test time by around 3x (150s to 50s).
Reviewed-by: Fabiano Rosas <faro...@suse.de>
Signed-off-by: Nicholas Piggin <npig...@gmail.com>
---
tests/migration/migration-test.h | 1 +
tests/migration/ppc64/a-b-kernel.h | 42 +++++++++++++++++++
tests/qtest/migration-test.c | 37 +++--------------
tests/migration/Makefile | 2 +-
tests/migration/ppc64/Makefile | 15 +++++++
tests/migration/ppc64/a-b-kernel.S | 66 ++++++++++++++++++++++++++++++
6 files changed, 131 insertions(+), 32 deletions(-)
create mode 100644 tests/migration/ppc64/a-b-kernel.h
create mode 100644 tests/migration/ppc64/Makefile
create mode 100644 tests/migration/ppc64/a-b-kernel.S
diff --git a/tests/migration/migration-test.h b/tests/migration/migration-test.h
index 68512c0b1b..194df7df6f 100644
--- a/tests/migration/migration-test.h
+++ b/tests/migration/migration-test.h
@@ -22,6 +22,7 @@
/* PPC */
#define PPC_TEST_MEM_START (1 * 1024 * 1024)
#define PPC_TEST_MEM_END (100 * 1024 * 1024)
+#define PPC_H_PUT_TERM_CHAR 0x58
/* ARM */
#define ARM_TEST_MEM_START (0x40000000 + 1 * 1024 * 1024)
diff --git a/tests/migration/ppc64/a-b-kernel.h
b/tests/migration/ppc64/a-b-kernel.h
new file mode 100644
index 0000000000..673317efdb
--- /dev/null
+++ b/tests/migration/ppc64/a-b-kernel.h
@@ -0,0 +1,42 @@
+/* This file is automatically generated from the assembly file in
+ * tests/migration/ppc64. 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 ppc64_kernel[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x7d, 0x20, 0x00, 0xa6, 0x39, 0x40, 0xff, 0xff,
+ 0x79, 0x49, 0xf8, 0x0e, 0x7d, 0x20, 0x01, 0x64, 0x3e, 0x80, 0x00, 0x10,
+ 0x62, 0x94, 0x00, 0x00, 0x3d, 0x20, 0x06, 0x40, 0x61, 0x29, 0x00, 0x00,
+ 0x7e, 0xb4, 0x48, 0x50, 0x39, 0x40, 0x10, 0x00, 0x7e, 0xb5, 0x53, 0xd2,
+ 0x38, 0x60, 0x00, 0x58, 0x38, 0x80, 0x00, 0x00, 0x38, 0xa0, 0x00, 0x01,
+ 0x38, 0xc0, 0x00, 0x41, 0x78, 0xc6, 0xc1, 0xc6, 0x44, 0x00, 0x00, 0x22,
+ 0x38, 0x60, 0x00, 0x00, 0x7e, 0x89, 0xa3, 0x78, 0x7e, 0xa9, 0x03, 0xa6,
+ 0x98, 0x69, 0x00, 0x00, 0x39, 0x29, 0x10, 0x00, 0x42, 0x00, 0xff, 0xf8,
+ 0x7e, 0x89, 0xa3, 0x78, 0x7e, 0xa9, 0x03, 0xa6, 0x88, 0x69, 0x00, 0x00,
+ 0x38, 0x63, 0x00, 0x01, 0x98, 0x69, 0x00, 0x00, 0x39, 0x29, 0x10, 0x00,
+ 0x42, 0x00, 0xff, 0xf0, 0x38, 0x60, 0x00, 0x58, 0x38, 0x80, 0x00, 0x00,
+ 0x38, 0xa0, 0x00, 0x01, 0x38, 0xc0, 0x00, 0x42, 0x78, 0xc6, 0xc1, 0xc6,
+ 0x44, 0x00, 0x00, 0x22, 0x4b, 0xff, 0xff, 0xcc
+};
+
diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c
index 87fa733d60..45830eb213 100644
--- a/tests/qtest/migration-test.c
+++ b/tests/qtest/migration-test.c
@@ -128,6 +128,7 @@ static char *bootpath;
*/
#include "tests/migration/i386/a-b-bootblock.h"
#include "tests/migration/aarch64/a-b-kernel.h"
+#include "tests/migration/ppc64/a-b-kernel.h"
#include "tests/migration/s390x/a-b-bios.h"
static void bootfile_create(char *dir, bool suspend_me)
@@ -147,10 +148,8 @@ static void bootfile_create(char *dir, bool suspend_me)
content = s390x_elf;
len = sizeof(s390x_elf);
} else if (strcmp(arch, "ppc64") == 0) {
- /*
- * sane architectures can be programmed at the boot prompt
- */
- return;
+ content = ppc64_kernel;
+ len = sizeof(ppc64_kernel);
} else if (strcmp(arch, "aarch64") == 0) {
content = aarch64_kernel;
len = sizeof(aarch64_kernel);
@@ -181,29 +180,10 @@ static void wait_for_serial(const char *side)
{
g_autofree char *serialpath = g_strdup_printf("%s/%s", tmpfs, side);
FILE *serialfile = fopen(serialpath, "r");
- const char *arch = qtest_get_arch();
- int started = (strcmp(side, "src_serial") == 0 &&
- strcmp(arch, "ppc64") == 0) ? 0 : 1;
do {
int readvalue = fgetc(serialfile);
- if (!started) {
- /* SLOF prints its banner before starting test,
- * to ignore it, mark the start of the test with '_',
- * ignore all characters until this marker
- */
- switch (readvalue) {
- case '_':
- started = 1;
- break;
- case EOF:
- fseek(serialfile, 0, SEEK_SET);
- usleep(1000);
- break;
- }
- continue;
- }
switch (readvalue) {
case 'A':
/* Fine */
@@ -215,8 +195,6 @@ static void wait_for_serial(const char *side)
return;
case EOF:
- started = (strcmp(side, "src_serial") == 0 &&
- strcmp(arch, "ppc64") == 0) ? 0 : 1;
fseek(serialfile, 0, SEEK_SET);
usleep(1000);
break;
@@ -745,14 +723,11 @@ static int test_migrate_start(QTestState **from,
QTestState **to,
memory_size = "256M";
start_address = PPC_TEST_MEM_START;
end_address = PPC_TEST_MEM_END;
- arch_source = g_strdup_printf("-prom-env 'use-nvramrc?=true' -prom-env
"
- "'nvramrc=hex .\" _\" begin %x %x "
- "do i c@ 1 + i c! 1000 +loop .\" B\" 0 "
- "until'", end_address, start_address);
machine_alias = "pseries";
machine_opts = "vsmt=8";
- arch_opts = g_strdup("-nodefaults "
- "-machine " PSERIES_DEFAULT_CAPABILITIES);
+ arch_opts = g_strdup_printf(
+ "-nodefaults -machine " PSERIES_DEFAULT_CAPABILITIES " "
+ "-bios %s", bootpath);
} else if (strcmp(arch, "aarch64") == 0) {
memory_size = "150M";
machine_alias = "virt";
diff --git a/tests/migration/Makefile b/tests/migration/Makefile
index 13e99b1692..2c5ee287ec 100644
--- a/tests/migration/Makefile
+++ b/tests/migration/Makefile
@@ -5,7 +5,7 @@
# See the COPYING file in the top-level directory.
#
-TARGET_LIST = i386 aarch64 s390x
+TARGET_LIST = i386 aarch64 s390x ppc64
SRC_PATH = ../..
diff --git a/tests/migration/ppc64/Makefile b/tests/migration/ppc64/Makefile
new file mode 100644
index 0000000000..a3a2d98ac8
--- /dev/null
+++ b/tests/migration/ppc64/Makefile
@@ -0,0 +1,15 @@
+.PHONY: all clean
+all: a-b-kernel.h
+
+a-b-kernel.h: ppc64.kernel
+ echo "$$__note" > $@
+ xxd -i $< | sed -e 's/.*int.*//' >> $@
+
+ppc64.kernel: ppc64.elf
+ $(CROSS_PREFIX)objcopy -O binary -S $< $@
+
+ppc64.elf: a-b-kernel.S
+ $(CROSS_PREFIX)gcc -static -o $@ -nostdlib -Wl,--build-id=none $<
+
+clean:
+ $(RM) *.kernel *.elf
diff --git a/tests/migration/ppc64/a-b-kernel.S
b/tests/migration/ppc64/a-b-kernel.S
new file mode 100644
index 0000000000..0613a8d18e
--- /dev/null
+++ b/tests/migration/ppc64/a-b-kernel.S
@@ -0,0 +1,66 @@
+#
+# Copyright (c) 2024 IBM, Inc
+#
+# This work is licensed under the terms of the GNU GPL, version 2 or later.
+# See the COPYING file in the top-level directory.
+
+#include "../migration-test.h"
+
+.section .text
+
+.macro print ch
+ li %r3,PPC_H_PUT_TERM_CHAR
+ li %r4,0
+ li %r5,1
+ li %r6,\ch
+ sldi %r6,%r6,56
+ sc 1
+.endm
+
+ .globl _start
+_start:
+. = 0x100
+ /*
+ * Enter 64-bit mode. Not necessary because the test uses 32-bit
+ * addresses, but those constants could easily be changed and break
+ * in 32-bit mode.
+ */
+ mfmsr %r9
+ li %r10,-1
+ rldimi %r9,%r10,63,0
+ mtmsrd %r9
+
+ /*
+ * Set up test memory region. Non-volatiles are used because the
+ * hcall can clobber regs.
+ * r20 - start address
+ * r21 - number of pages
+ */
+ lis %r20,PPC_TEST_MEM_START@h
+ ori %r20,%r20,PPC_TEST_MEM_START@l
+ lis %r9,PPC_TEST_MEM_END@h
+ ori %r9,%r9,PPC_TEST_MEM_END@l
+ subf %r21,%r20,%r9
+ li %r10,TEST_MEM_PAGE_SIZE
+ divd %r21,%r21,%r10
+
+ print 'A'
+
+ li %r3,0
+ mr %r9,%r20
+ mtctr %r21
+1: stb %r3,0(%r9)
+ addi %r9,%r9,TEST_MEM_PAGE_SIZE
+ bdnz 1b
+
+loop:
+ mr %r9,%r20
+ mtctr %r21
+1: lbz %r3,0(%r9)
+ addi %r3,%r3,1
+ stb %r3,0(%r9)
+ addi %r9,%r9,TEST_MEM_PAGE_SIZE
+ bdnz 1b
+
+ print 'B'
+ b loop
--
2.43.0
