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[Qemu-devel] [PATCH] s390: remove boot image detection to fix boot with

From: Christian Borntraeger
Subject: [Qemu-devel] [PATCH] s390: remove boot image detection to fix boot with newer kernels
Date: Tue, 06 Sep 2011 13:41:39 +0200
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/20110831 Lightning/1.0b2 Thunderbird/3.1.13


Newer kernels will not always have a 0dd0 (basr 13,0) at address 0x10000.
(e.g. current linux-next). We must not rely on specific code at certain
addresses, so lets just remove this check.

Reported-by: Philipp Muens <address@hidden>
Signed-off-by: Christian Borntraeger <address@hidden>

 hw/s390-virtio.c |    5 -----
 1 file changed, 5 deletions(-)

Index: b/hw/s390-virtio.c
--- a/hw/s390-virtio.c
+++ b/hw/s390-virtio.c
@@ -193,11 +193,6 @@ static void s390_init(ram_addr_t my_ram_
     if (kernel_filename) {
         kernel_size = load_image(kernel_filename, qemu_get_ram_ptr(0));
-        if (lduw_be_phys(KERN_IMAGE_START) != 0x0dd0) {
-            fprintf(stderr, "Specified image is not an s390 boot image\n");
-            exit(1);
-        }
         env->psw.addr = KERN_IMAGE_START;
         env->psw.mask = 0x0000000180000000ULL;
     } else {

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