[Qemu-devel] sparc32 CVS broken

[Qemu-devel] sparc32 CVS broken

[Robert Reif]

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Sparc32 CVS exits after illegal instruction trap.


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^[[H^[[JNvram id QEMU_BIOS, version 1, machine id 0x80
CPUs: 1
Welcome to OpenBIOS v1.0RC1 built on Aug 11 2007 08:00
  Type 'help' for detailed information

[sparc] Kernel already loaded
qemu: fatal: Trap 0x02 while interrupts disabled, Error state
pc: ffd0108c  npc: ffd01090
General Registers:
%g0: 00000000	%g1: 00000002	%g2: 04401fc2	%g3: ffd7f018	
%g4: 00000028	%g5: 00000000	%g6: 00000000	%g7: 00000000	
Current Register Window:
%o0: 0000000a	%o1: 0022d570	%o2: ffd3b8a6	%o3: ffdd2ce0	
%o4: ffd08568	%o5: ffd08578	%o6: ffdd2a30	%o7: ffd0100c	
%l0: ffd7f15c	%l1: 00004000	%l2: 00004004	%l3: ffd3c000	
%l4: ffd7f000	%l5: ffd7f000	%l6: ffd80c00	%l7: ffd00000	
%i0: ffd7f15c	%i1: 00000000	%i2: 00000000	%i3: 00000000	
%i4: 00000000	%i5: 00000000	%i6: ffdd2c98	%i7: ffd06310	

Floating Point Registers:
%f00: 000000000.000000 000000000.000000 000000000.000000 000000000.000000
%f04: 000000000.000000 000000000.000000 000000000.000000 000000000.000000
%f08: 000000000.000000 000000000.000000 000000000.000000 000000000.000000
%f12: 000000000.000000 000000000.000000 000000000.000000 000000000.000000
%f16: 000000000.000000 000000000.000000 000000000.000000 000000000.000000
%f20: 000000000.000000 000000000.000000 000000000.000000 000000000.000000
%f24: 000000000.000000 000000000.000000 000000000.000000 000000000.000000
%f28: 000000000.000000 000000000.000000 000000000.000000 000000000.000000
psr: 0x04401fc2 -> Z--- SP- wim: 0x00000010
fsr: 0x00080000
./qemu-nog: line 4:  5400 Aborted                 qemu-system-sparc -kernel vmlinux-2.6.11+tcx -initrd linux.img -append "root=/dev/ram console=ttyS0 video=tcxfb:off" -nographic

Re: [Qemu-devel] sparc32 CVS broken

[Blue Swirl]

On 10/2/07, Robert Reif <reif@earthlink.net> wrote:
> Sparc32 CVS exits after illegal instruction trap.

I can confirm this. Let's see if git bisect is any good.

Re: [Qemu-devel] sparc32 CVS broken

[Blue Swirl]

On 10/2/07, Blue Swirl <blauwirbel@gmail.com> wrote:
> On 10/2/07, Robert Reif <reif@earthlink.net> wrote:
> > Sparc32 CVS exits after illegal instruction trap.
>
> I can confirm this. Let's see if git bisect is any good.

a0bd188b4800c8db855ac5dde6356280c80a28b2 is first bad commit
commit a0bd188b4800c8db855ac5dde6356280c80a28b2
Author: blueswir1 <blueswir1>
Date:   Mon Sep 24 18:41:27 2007 +0000

     Fix loading above 4G

:100644 100644 75cbdedda798110b60f8ed416666da8d24fc1589
fe2ef9ba9a45446e871d2135bb61cfbc7073d71b M      elf_ops.h

Surprising result.

Re: [Qemu-devel] sparc32 CVS broken

[Blue Swirl]

On 10/2/07, Blue Swirl <blauwirbel@gmail.com> wrote:
> On 10/2/07, Blue Swirl <blauwirbel@gmail.com> wrote:
> > On 10/2/07, Robert Reif <reif@earthlink.net> wrote:
> > > Sparc32 CVS exits after illegal instruction trap.
> >
> > I can confirm this. Let's see if git bisect is any good.
>
> a0bd188b4800c8db855ac5dde6356280c80a28b2 is first bad commit
> commit a0bd188b4800c8db855ac5dde6356280c80a28b2
> Author: blueswir1 <blueswir1>
> Date:   Mon Sep 24 18:41:27 2007 +0000
>
>      Fix loading above 4G
>
> :100644 100644 75cbdedda798110b60f8ed416666da8d24fc1589
> fe2ef9ba9a45446e871d2135bb61cfbc7073d71b M      elf_ops.h
>
> Surprising result.
>

I just committed a fix to this.