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Re: [Qemu-ppc] [Qemu-devel] [PATCH] hw/ppc: on 40p machine, change defau


From: Hervé Poussineau
Subject: Re: [Qemu-ppc] [Qemu-devel] [PATCH] hw/ppc: on 40p machine, change default firmware to OpenBIOS
Date: Tue, 4 Sep 2018 22:20:56 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1

Le 31/08/2018 à 16:16, Mark Cave-Ayland a écrit :
On 20/08/18 04:16, David Gibson wrote:

On Fri, Aug 10, 2018 at 04:41:54PM +1000, David Gibson wrote:
On Fri, Aug 10, 2018 at 07:37:12AM +0200, Hervé Poussineau wrote:
OpenBIOS gained 40p support in 5b20e4cacecb62fb2bdc6867c11d44cddd77c4ff
Use it, instead of relying on an unmaintained and very limited firmware.

Signed-off-by: Hervé Poussineau <address@hidden>

Applied to ppc-for-3.1, thanks.

But I'm afraid I've had to pull it out.  This breaks boot-serial-test,
because the new firmware prints different messages than the old one
did and the testcase isn't looking for them.

I tried fixing it, but ran into complications I didn't have time to
debug.  So I'm afraid this will miss my coming-soon pull request.

You should be able to reproduce the problem with "make check
SPEED=slow", can you fix this up and resubmit.


---
  hw/ppc/prep.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/ppc/prep.c b/hw/ppc/prep.c
index 3401570d98..1558855247 100644
--- a/hw/ppc/prep.c
+++ b/hw/ppc/prep.c
@@ -736,7 +736,7 @@ static void ibm_40p_init(MachineState *machine)
      /* PCI host */
      dev = qdev_create(NULL, "raven-pcihost");
      if (!bios_name) {
-        bios_name = BIOS_FILENAME;
+        bios_name = "openbios-ppc";
      }
      qdev_prop_set_string(dev, "bios-name", bios_name);
      qdev_prop_set_uint32(dev, "elf-machine", PPC_ELF_MACHINE);

Thanks to Thomas on IRC, I was able come up with the diff below which
fixes boot-serial-test when this patch is applied:

diff --git a/tests/boot-serial-test.c b/tests/boot-serial-test.c
index f123b15e3e..f865822e32 100644
--- a/tests/boot-serial-test.c
+++ b/tests/boot-serial-test.c
@@ -75,12 +75,12 @@ typedef struct testdef {
  static testdef_t tests[] = {
      { "alpha", "clipper", "", "PCI:" },
      { "ppc", "ppce500", "", "U-Boot" },
-    { "ppc", "40p", "-boot d", "Booting from device d" },
+    { "ppc", "40p", "-vga none -boot d", "Trying cd:," },
      { "ppc", "g3beige", "", "PowerPC,750" },
      { "ppc", "mac99", "", "PowerPC,G4" },
      { "ppc", "sam460ex", "-m 256", "DRAM:  256 MiB" },
      { "ppc64", "ppce500", "", "U-Boot" },
-    { "ppc64", "40p", "-m 192", "Memory size: 192 MB" },
+    { "ppc64", "40p", "-m 192", "Memory: 192M" },
      { "ppc64", "mac99", "", "PowerPC,970FX" },
      { "ppc64", "pseries", "", "Open Firmware" },
      { "ppc64", "powernv", "-cpu POWER8", "OPAL" },

Hervé, can you confirm that this fixes "make check" for you? If so it
should just be a simple case of squashing into the above patch and then
resubmitting a v2.

Yes, this also fixes "make check" for me.
v2 sent at http://lists.gnu.org/archive/html/qemu-devel/2018-09/msg00362.html

Thanks for the help.

Hervé



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