>
> The patch itself looks okay on brief look, except that io_fake and
> prep-fake should better be io_fakeio and prep-fakeio respectively (still
> ugly as hell, but the real Super I/O we prepared for 40P turned out
> incompatible somehow).
>
I'll make the required changes and test them with buildroot (just a few
compilation time).
Regards
Benoît
> > ---
> > hw/ppc_prep.c | 80
> ++++++++++++++++++++++++++++++++++++++++++++-------------
> > 1 files changed, 62 insertions(+), 18 deletions(-)
> >
> > diff --git a/hw/ppc_prep.c b/hw/ppc_prep.c
> > index f22d5b9..299305b 100644
> > --- a/hw/ppc_prep.c
> > +++ b/hw/ppc_prep.c
> > @@ -94,7 +94,8 @@ static int speaker_data_on;
> > static int dummy_refresh_clock;
> > #endif
> >
> > -static void speaker_ioport_write (void *opaque, uint32_t addr, uint32_t
> val)
> > +static void speaker_ioport_write(void *opaque, target_phys_addr_t addr,
> > + uint64_t val, unsigned size)
> > {
> > #if 0
> > speaker_data_on = (val >> 1) & 1;
> > @@ -102,7 +103,8 @@ static void speaker_ioport_write (void *opaque,
> uint32_t addr, uint32_t val)
> > #endif
> > }
> >
> > -static uint32_t speaker_ioport_read (void *opaque, uint32_t addr)
> > +static uint64_t speaker_ioport_read(void *opaque, target_phys_addr_t
> addr,
> > + unsigned size)
> > {
> > #if 0
> > int out;
> > @@ -114,6 +116,16 @@ static uint32_t speaker_ioport_read (void *opaque,
> uint32_t addr)
> > return 0;
> > }
> >
> > +static const MemoryRegionOps speaker_ioport_ops = {
> > + .read = speaker_ioport_read,
> > + .write = speaker_ioport_write,
> > + .endianness = DEVICE_LITTLE_ENDIAN,
> > + .valid = {
> > + .min_access_size = 1,
> > + .max_access_size = 1,
> > + },
> > +};
> > +
> > /* PCI intack register */
> > /* Read-only register (?) */
> > static void PPC_intack_write (void *opaque, target_phys_addr_t addr,
> > @@ -251,7 +263,8 @@ enum {
> >
> > static sysctrl_t *sysctrl;
> >
> > -static void PREP_io_write (void *opaque, uint32_t addr, uint32_t val)
> > +static void PREP_io_write(void *opaque, target_phys_addr_t addr,
> > + uint64_t val, unsigned size)
> > {
> > sysctrl_t *sysctrl = opaque;
> >
> > @@ -260,7 +273,8 @@ static void PREP_io_write (void *opaque, uint32_t
> addr, uint32_t val)
> > sysctrl->fake_io[addr - 0x0398] = val;
> > }
> >
> > -static uint32_t PREP_io_read (void *opaque, uint32_t addr)
> > +static uint64_t PREP_io_read(void *opaque, target_phys_addr_t addr,
> > + unsigned size)
> > {
> > sysctrl_t *sysctrl = opaque;
> >
> > @@ -269,7 +283,18 @@ static uint32_t PREP_io_read (void *opaque,
> uint32_t addr)
> > return sysctrl->fake_io[addr - 0x0398];
> > }
> >
> > -static void PREP_io_800_writeb (void *opaque, uint32_t addr, uint32_t
> val)
> > +static const MemoryRegionOps PREP_io_ops = {
> > + .read = PREP_io_read,
> > + .write = PREP_io_write,
> > + .endianness = DEVICE_LITTLE_ENDIAN,
> > + .valid = {
> > + .min_access_size = 1,
> > + .max_access_size = 1,
> > + },
> > +};
> > +
> > +static void PREP_io_800_writeb(void *opaque, target_phys_addr_t addr,
> > + uint64_t val, unsigned size)
> > {
> > sysctrl_t *sysctrl = opaque;
> >
> > @@ -330,13 +355,14 @@ static void PREP_io_800_writeb (void *opaque,
> uint32_t addr, uint32_t val)
> > sysctrl->contiguous_map = val & 0x01;
> > break;
> > default:
> > - printf("ERROR: unaffected IO port write: %04" PRIx32
> > - " => %02" PRIx32"\n", addr, val);
> > + printf("ERROR: unaffected IO port write: %04" PRIx64
> > + " => %02" PRIx64 "\n", addr, val);
> > break;
> > }
> > }
> >
> > -static uint32_t PREP_io_800_readb (void *opaque, uint32_t addr)
> > +static uint64_t PREP_io_800_readb(void *opaque, target_phys_addr_t addr,
> > + unsigned size)
> > {
> > sysctrl_t *sysctrl = opaque;
> > uint32_t retval = 0xFF;
> > @@ -393,15 +419,25 @@ static uint32_t PREP_io_800_readb (void *opaque,
> uint32_t addr)
> > retval = sysctrl->contiguous_map;
> > break;
> > default:
> > - printf("ERROR: unaffected IO port: %04" PRIx32 " read\n", addr);
> > + printf("ERROR: unaffected IO port: %04" PRIx64 " read\n", addr);
> > break;
> > }
> > - PPC_IO_DPRINTF("0x%08" PRIx32 " <= 0x%02" PRIx32 "\n",
> > + PPC_IO_DPRINTF("0x%08" PRIx64 " <= 0x%02" PRIx64 "\n",
> > addr - PPC_IO_BASE, retval);
> >
> > return retval;
> > }
> >
> > +static const MemoryRegionOps PREP_io_800_ops = {
> > + .read = PREP_io_800_readb,
> > + .write = PREP_io_800_writeb,
> > + .endianness = DEVICE_LITTLE_ENDIAN,
> > + .valid = {
> > + .min_access_size = 1,
> > + .max_access_size = 1,
> > + },
> > +};
> > +
> > static inline target_phys_addr_t prep_IO_address(sysctrl_t *sysctrl,
> > target_phys_addr_t
> addr)
> > {
> > @@ -514,6 +550,10 @@ static void ppc_prep_init (ram_addr_t ram_size,
> > M48t59State *m48t59;
> > MemoryRegion *PPC_io_memory = g_new(MemoryRegion, 1);
> > MemoryRegion *intack = g_new(MemoryRegion, 1);
> > + MemoryRegion *io_speaker = g_new(MemoryRegion, 1);
> > + MemoryRegion *io_fake = g_new(MemoryRegion, 1);
> > + MemoryRegion *io_control_092 = g_new(MemoryRegion, 1);
> > + MemoryRegion *io_control_800 = g_new(MemoryRegion, 1);
> > #if 0
> > MemoryRegion *xcsr = g_new(MemoryRegion, 1);
> > #endif
> > @@ -679,17 +719,21 @@ static void ppc_prep_init (ram_addr_t ram_size,
> > fdctrl_init_isa(fd);
> >
> > /* Register speaker port */
> > - register_ioport_read(0x61, 1, 1, speaker_ioport_read, NULL);
> > - register_ioport_write(0x61, 1, 1, speaker_ioport_write, NULL);
> > + memory_region_init_io(io_speaker, &speaker_ioport_ops, NULL,
> > + "speaker", 1);
> > + memory_region_add_subregion(sysmem, 0x61, io_speaker);
> > /* Register fake IO ports for PREP */
> > sysctrl->reset_irq = first_cpu->irq_inputs[PPC6xx_INPUT_HRESET];
> > - register_ioport_read(0x398, 2, 1, &PREP_io_read, sysctrl);
> > - register_ioport_write(0x398, 2, 1, &PREP_io_write, sysctrl);
> > + memory_region_init_io(io_fake, &PREP_io_ops, sysctrl, "prep-fake",
> 2);
> > + memory_region_add_subregion(sysmem, 0x398, io_fake);
> > /* System control ports */
> > - register_ioport_read(0x0092, 0x01, 1, &PREP_io_800_readb, sysctrl);
> > - register_ioport_write(0x0092, 0x01, 1, &PREP_io_800_writeb,
> sysctrl);
> > - register_ioport_read(0x0800, 0x52, 1, &PREP_io_800_readb, sysctrl);
> > - register_ioport_write(0x0800, 0x52, 1, &PREP_io_800_writeb,
> sysctrl);
> > + memory_region_init_io(io_control_092, &PREP_io_800_ops, sysctrl,
> > + "prep-control-0x92", 1);
> > + memory_region_add_subregion(sysmem, 0x0092, io_control_092);
> > +
> > + memory_region_init_io(io_control_800, &PREP_io_800_ops, sysctrl,
> > + "prep-control-0x800", 52);
> > + memory_region_add_subregion(sysmem, 0x0800, io_control_800);
> > /* PCI intack location */
> > memory_region_init_io(intack, &PPC_intack_ops, NULL, "ppc-intack",
> 4);
> > memory_region_add_subregion(sysmem, 0xBFFFFFF0, intack);
>
>