qemu-kvm/SOURCES/kvm-pc-bios-s390-ccw-Move-ipl-related-code-from-main-int.patch

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From 740590240bec03dc6ca208963112d3c2999f353e Mon Sep 17 00:00:00 2001
From: Thomas Huth <thuth@redhat.com>
Date: Fri, 9 Oct 2020 10:08:42 -0400
Subject: [PATCH 06/14] pc-bios/s390-ccw: Move ipl-related code from main()
into a separate function
RH-Author: Thomas Huth <thuth@redhat.com>
Message-id: <20201009100849.264994-3-thuth@redhat.com>
Patchwork-id: 98596
O-Subject: [RHEL-8.4.0 qemu-kvm PATCH 2/9] pc-bios/s390-ccw: Move ipl-related code from main() into a separate function
Bugzilla: 1846975
RH-Acked-by: Jens Freimann <jfreimann@redhat.com>
RH-Acked-by: David Hildenbrand <david@redhat.com>
RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
Let's move this part of the code into a separate function to be able
to use it from multiple spots later.
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Message-Id: <20200806105349.632-3-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
(cherry picked from commit d1f060a8b515a0b1d14c38f2c8f86ab54e79c3dc)
Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
---
pc-bios/s390-ccw/main.c | 20 ++++++++++++--------
1 file changed, 12 insertions(+), 8 deletions(-)
diff --git a/pc-bios/s390-ccw/main.c b/pc-bios/s390-ccw/main.c
index 4e65b411e1..5e565be5b1 100644
--- a/pc-bios/s390-ccw/main.c
+++ b/pc-bios/s390-ccw/main.c
@@ -232,14 +232,8 @@ static void virtio_setup(void)
}
}
-int main(void)
+static void ipl_boot_device(void)
{
- sclp_setup();
- css_setup();
- boot_setup();
- find_boot_device();
- enable_subchannel(blk_schid);
-
switch (cutype) {
case CU_TYPE_DASD_3990:
case CU_TYPE_DASD_2107:
@@ -251,8 +245,18 @@ int main(void)
break;
default:
print_int("Attempting to boot from unexpected device type", cutype);
- panic("");
+ panic("\nBoot failed.\n");
}
+}
+
+int main(void)
+{
+ sclp_setup();
+ css_setup();
+ boot_setup();
+ find_boot_device();
+ enable_subchannel(blk_schid);
+ ipl_boot_device();
panic("Failed to load OS from hard disk\n");
return 0; /* make compiler happy */
--
2.27.0