> -Original Message-
> From: kvm-ppc-ow...@vger.kernel.org
> [mailto:kvm-ppc-ow...@vger.kernel.org] On Behalf Of Hollis Blanchard
> Sent: Saturday, January 17, 2009 2:10 AM
> To: Liu Yu-B13201
> Cc: qemu-de...@nongnu.org; kvm-ppc@vger.kernel.org
> Subject: RE: [PATCH 9/9] powerpc/kvm: Add MPC85xx board support
>
> Hmm, I have no idea why I didn't see this patch. Maybe it got
> caught in
> a spam filter.
I should have cc to you...
>
> On Fri, 2009-01-16 at 16:22 +0800, Liu Yu wrote:
> > > -Original Message-
> > > From: Liu Yu-B13201
> > > Sent: Thursday, January 15, 2009 8:34 PM
> > > To: qemu-de...@nongnu.org
> > > Cc: kvm-ppc@vger.kernel.org; Liu Yu-B13201
> > > Subject: [PATCH 9/9] powerpc/kvm: Add MPC85xx board support
> > >
> > > MPC85xx adopts E500 core.
> > > This patch hopes to support all MPC85xx boards.
> > >
> > > Signed-off-by: Liu Yu
> > > --- /dev/null
> > > +++ b/hw/ppce500_mpc85xx.c
> > > +static void mpc85xx_init(ram_addr_t ram_size, int vga_ram_size,
> > > + const char *boot_device, DisplayState *ds,
> > > + const char *kernel_filename,
> > > + const char *kernel_cmdline,
> > > + const char *initrd_filename,
> > > + const char *cpu_model)
> > > +{
> > > +PCIBus *pci_bus;
> > > +CPUState *env;
> > > +uint64_t elf_entry;
> > > +uint64_t elf_lowaddr;
> > > +target_ulong entry=0;
> > > +target_ulong loadaddr=UIMAGE_LOAD_BASE;
> > > +target_long kernel_size=0;
> > > +target_ulong dt_base=DTB_LOAD_BASE;
> > > +target_ulong initrd_base=INITRD_LOAD_BASE;
> > > +target_long initrd_size=0;
> > > +void *fdt;
> > > +int i=0;
> > > +unsigned int pci_irq_nrs[4] = {1, 2, 3, 4};
> > > +qemu_irq *irqs, *mpic, *pci_irqs;
> > > +SerialState * serial[2];
> > > +
> > > +/* Setup CPU */
> > > +env = ppce500_init(&ram_size);
> > > +
> > > +/* MPIC */
> > > +irqs = qemu_mallocz(sizeof(qemu_irq) * MPIC_OUTPUT_NB);
> > > +irqs[MPIC_OUTPUT_INT] = ((qemu_irq
> > > *)env->irq_inputs)[PPCE500_INPUT_INT];
> > > +irqs[MPIC_OUTPUT_CINT] = ((qemu_irq
> > > *)env->irq_inputs)[PPCE500_INPUT_CINT];
> > > +mpic = mpic_init(MPC85xx_MPIC_REGS_BASE, 1, &irqs, NULL);
> > > +
> > > +/* Serial */
> > > +if (serial_hds[0])
> > > + serial[0] = serial_mm_init(MPC85xx_SERIAL0_REGS_BASE,
> > > + 0, mpic[12+26], 399193,
> > > + serial_hds[0], 1);
> > > +
> > > +if (serial_hds[1])
> > > + serial[0] = serial_mm_init(MPC85xx_SERIAL1_REGS_BASE,
> > > + 0, mpic[12+26], 399193,
> > > + serial_hds[0], 1);
> > > +
> > > +/* PCI */
> > > +pci_irqs = qemu_malloc(sizeof(qemu_irq) * 4);
> > > +pci_irqs[0] = mpic[pci_irq_nrs[0]];
> > > +pci_irqs[1] = mpic[pci_irq_nrs[1]];
> > > +pci_irqs[2] = mpic[pci_irq_nrs[2]];
> > > +pci_irqs[3] = mpic[pci_irq_nrs[3]];
> > > +pci_bus = ppce500_pci_init(pci_irqs, MPC85xx_PCI_REGS_BASE);
> > > +if (!pci_bus)
> > > + printf("couldn't create PCI controller!\n");
> > > +
> > > +isa_mmio_init(MPC85xx_PCI_IO, MPC85xx_PCI_IOLEN);
> > > +
> > > +/* Register mem */
> > > +cpu_register_physical_memory(0, ram_size, 0);
> >
> > Hollis, I didn't see the memeory register like this in 440 code.
> > Is that a bug?
>
> RAM is allocated in vl.c (see the call to qemu_vmalloc()), so it looks
> like you're actually allocating twice the amount of memory you should
> be.
>
It's odd.
I cannot make it work without cpu_register_physical_memory() which
ultimately call kvm_set_phys_mem().
But qemu_vmalloc() seems just to call mmap().
Did I miss anything?
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