Re: [Qemu-devel] [PULL 00/20] s390x/kvm: Features and fixes for 2.3

[Christian Borntraeger <borntraeger@de.ibm.com>]

Am 10.03.2015 um 19:01 schrieb Peter Maydell:
> On 10 March 2015 at 08:37, Christian Borntraeger <borntraeger@de.ibm.com> wrote:
>> Peter,
>>
>> this pull reuqest contains a header sync to 4.0-rc3. This should cause
>> no merge conflicts with other header syncs against 4.0-rc2. So here
>> is the s390 pull request.
>>
>> The following changes since commit 277263e1b320d759a760ba6c5ea75ec268f929e5:
>>
>>   Merge remote-tracking branch 'remotes/agraf/tags/signed-ppc-for-upstream' into staging (2015-03-09 14:04:14 +0000)
>>
>> are available in the git repository at:
>>
>>   git://github.com/borntraeger/qemu.git tags/s390x-20150310
>>
>> for you to fetch changes up to 6342cb1443b37d249a0e2005128ade07a80a97f5:
>>
>>   s390-ccw: rebuild BIOS (2015-03-10 09:26:33 +0100)
> 
> Unfortunately I see build failures on 32 bit hosts:
> 
> /root/qemu/hw/s390x/ipl.c: In function ‘bios_translate_addr’:
> /root/qemu/hw/s390x/ipl.c:101:24: error: cast from pointer to integer
> of different size [-Werror=pointer-to-int-cast]
> /root/qemu/hw/s390x/ipl.c: In function ‘s390_ipl_init’:
> /root/qemu/hw/s390x/ipl.c:135:30: error: cast to pointer from integer
> of different size [-Werror=int-to-pointer-cast]
> 

O dear. Seems that every pull request after your vacation is somewhat broken.
I fixed up patch 19 (" s390/bios: Make the s390-ccw.img relocatable") as
such

diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c
index ab7fd8a..6ed18d3 100644
--- a/hw/s390x/ipl.c
+++ b/hw/s390x/ipl.c
@@ -98,7 +98,7 @@ static const VMStateDescription vmstate_ipl = {
 
 static uint64_t bios_translate_addr(void *opaque, uint64_t srcaddr)
 {
-    uint64_t dstaddr = (uint64_t)opaque;
+    uint64_t dstaddr = (uint64_t) (unsigned long) opaque;
     /*
      * Assuming that our s390-ccw.img was linked for starting at address 0,
      * we can simply add the destination address for the final location
@@ -132,9 +132,9 @@ static int s390_ipl_init(SysBusDevice *dev)
         }
 
         bios_size = load_elf(bios_filename, bios_translate_addr,
-                             (void *)fwbase, &ipl->bios_start_addr,
-                             NULL, NULL, 1, ELF_MACHINE, 0);
-
+                             (void *) (unsigned long) fwbase,
+                             &ipl->bios_start_addr, NULL, NULL, 1,
+                             ELF_MACHINE, 0);
         if (bios_size > 0) {
             /* Adjust ELF start address to final location */
             ipl->bios_start_addr += fwbase;



Updated pull request will follow.