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tests/migration: Enable the migration test on s390x, too

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We can re-use the s390-ccw bios code to implement a small firmware
for a s390x guest which prints out the "A" and "B" characters and
modifies the memory, as required for the migration test.

[quintela: Converted the compile script to Makefile rules]
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1539078677-25396-1-git-send-email-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
  Fixed up Makefile since the aarch patch sneaked in first
This commit is contained in:
Thomas Huth 2018-10-09 11:51:17 +02:00 • committed by Dr. David Alan Gilbert
parent c02b37814c
commit 5571dc824b
7 changed files with 343 additions and 1 deletions
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36
tests/migration/s390x/a-b-bios.c Normal file
View file

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/*
* S390 guest code used in migration tests
*
* Copyright 2018 Thomas Huth, Red Hat Inc.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#define LOADPARM_LEN 8 /* Needed for sclp.h */
#include <libc.h>
#include <s390-ccw.h>
#include <sclp.h>
char stack[0x8000] __attribute__((aligned(4096)));
#define START_ADDRESS (1024 * 1024)
#define END_ADDRESS (100 * 1024 * 1024)
void main(void)
{
unsigned long addr;
sclp_setup();
sclp_print("A");
while (1) {
for (addr = START_ADDRESS; addr < END_ADDRESS; addr += 4096) {
*(volatile char *)addr += 1; /* Change pages */
}
sclp_print("B");
}
}