| Message ID | 20240216150441.45681-1-philmd@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | hw/sysbus: Inline and remove sysbus_add_io() | expand |
On 16/2/24 16:04, Philippe Mathieu-Daudé wrote: > sysbus_add_io(...) is a simple wrapper to > memory_region_add_subregion(get_system_io(), ...). > It is used in 3 places; inline it directly. Rationale here is we want to move to an explicit I/O bus, rather that an implicit one. Besides in heterogeneous setup we can have more than one I/O bus. > Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> > --- > include/hw/sysbus.h | 2 -- > hw/core/sysbus.c | 6 ------ > hw/i386/kvmvapic.c | 2 +- > hw/mips/mipssim.c | 2 +- > hw/nvram/fw_cfg.c | 5 +++-- > 5 files changed, 5 insertions(+), 12 deletions(-) > > diff --git a/include/hw/sysbus.h b/include/hw/sysbus.h > index 3564b7b6a2..14dbc22d0c 100644 > --- a/include/hw/sysbus.h > +++ b/include/hw/sysbus.h > @@ -83,8 +83,6 @@ void sysbus_mmio_map(SysBusDevice *dev, int n, hwaddr addr); > void sysbus_mmio_map_overlap(SysBusDevice *dev, int n, hwaddr addr, > int priority); > void sysbus_mmio_unmap(SysBusDevice *dev, int n); > -void sysbus_add_io(SysBusDevice *dev, hwaddr addr, > - MemoryRegion *mem); > MemoryRegion *sysbus_address_space(SysBusDevice *dev);
On Fri, 16 Feb 2024 at 15:05, Philippe Mathieu-Daudé <philmd@linaro.org> wrote: > > sysbus_add_io(...) is a simple wrapper to > memory_region_add_subregion(get_system_io(), ...). > It is used in 3 places; inline it directly. > > Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> > --- > include/hw/sysbus.h | 2 -- > hw/core/sysbus.c | 6 ------ > hw/i386/kvmvapic.c | 2 +- > hw/mips/mipssim.c | 2 +- > hw/nvram/fw_cfg.c | 5 +++-- > 5 files changed, 5 insertions(+), 12 deletions(-) > Reviewed-by: Peter Maydell <peter.maydell@linaro.org> thanks -- PMM
diff --git a/include/hw/sysbus.h b/include/hw/sysbus.h index 3564b7b6a2..14dbc22d0c 100644 --- a/include/hw/sysbus.h +++ b/include/hw/sysbus.h @@ -83,8 +83,6 @@ void sysbus_mmio_map(SysBusDevice *dev, int n, hwaddr addr); void sysbus_mmio_map_overlap(SysBusDevice *dev, int n, hwaddr addr, int priority); void sysbus_mmio_unmap(SysBusDevice *dev, int n); -void sysbus_add_io(SysBusDevice *dev, hwaddr addr, - MemoryRegion *mem); MemoryRegion *sysbus_address_space(SysBusDevice *dev); bool sysbus_realize(SysBusDevice *dev, Error **errp); diff --git a/hw/core/sysbus.c b/hw/core/sysbus.c index 35f902b582..9f1d5b2d6d 100644 --- a/hw/core/sysbus.c +++ b/hw/core/sysbus.c @@ -298,12 +298,6 @@ static char *sysbus_get_fw_dev_path(DeviceState *dev) return g_strdup(qdev_fw_name(dev)); } -void sysbus_add_io(SysBusDevice *dev, hwaddr addr, - MemoryRegion *mem) -{ - memory_region_add_subregion(get_system_io(), addr, mem); -} - MemoryRegion *sysbus_address_space(SysBusDevice *dev) { return get_system_memory(); diff --git a/hw/i386/kvmvapic.c b/hw/i386/kvmvapic.c index f2b0aff479..3be64fba3b 100644 --- a/hw/i386/kvmvapic.c +++ b/hw/i386/kvmvapic.c @@ -727,7 +727,7 @@ static void vapic_realize(DeviceState *dev, Error **errp) VAPICROMState *s = VAPIC(dev); memory_region_init_io(&s->io, OBJECT(s), &vapic_ops, s, "kvmvapic", 2); - sysbus_add_io(sbd, VAPIC_IO_PORT, &s->io); + memory_region_add_subregion(get_system_io(), VAPIC_IO_PORT, &s->io); sysbus_init_ioports(sbd, VAPIC_IO_PORT, 2); option_rom[nb_option_roms].name = "kvmvapic.bin"; diff --git a/hw/mips/mipssim.c b/hw/mips/mipssim.c index a12427b6c8..57c8c33e2b 100644 --- a/hw/mips/mipssim.c +++ b/hw/mips/mipssim.c @@ -226,7 +226,7 @@ mips_mipssim_init(MachineState *machine) qdev_prop_set_uint8(dev, "endianness", DEVICE_LITTLE_ENDIAN); sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, env->irq[4]); - sysbus_add_io(SYS_BUS_DEVICE(dev), 0x3f8, + memory_region_add_subregion(get_system_io(), 0x3f8, sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0)); } diff --git a/hw/nvram/fw_cfg.c b/hw/nvram/fw_cfg.c index e85493d513..6d6b17462d 100644 --- a/hw/nvram/fw_cfg.c +++ b/hw/nvram/fw_cfg.c @@ -1142,6 +1142,7 @@ FWCfgState *fw_cfg_init_io_dma(uint32_t iobase, uint32_t dma_iobase, SysBusDevice *sbd; FWCfgIoState *ios; FWCfgState *s; + MemoryRegion *iomem = get_system_io(); bool dma_requested = dma_iobase && dma_as; dev = qdev_new(TYPE_FW_CFG_IO); @@ -1155,7 +1156,7 @@ FWCfgState *fw_cfg_init_io_dma(uint32_t iobase, uint32_t dma_iobase, sbd = SYS_BUS_DEVICE(dev); sysbus_realize_and_unref(sbd, &error_fatal); ios = FW_CFG_IO(dev); - sysbus_add_io(sbd, iobase, &ios->comb_iomem); + memory_region_add_subregion(iomem, iobase, &ios->comb_iomem); s = FW_CFG(dev); @@ -1163,7 +1164,7 @@ FWCfgState *fw_cfg_init_io_dma(uint32_t iobase, uint32_t dma_iobase, /* 64 bits for the address field */ s->dma_as = dma_as; s->dma_addr = 0; - sysbus_add_io(sbd, dma_iobase, &s->dma_iomem); + memory_region_add_subregion(iomem, dma_iobase, &s->dma_iomem); } return s;
sysbus_add_io(...) is a simple wrapper to memory_region_add_subregion(get_system_io(), ...). It is used in 3 places; inline it directly. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> --- include/hw/sysbus.h | 2 -- hw/core/sysbus.c | 6 ------ hw/i386/kvmvapic.c | 2 +- hw/mips/mipssim.c | 2 +- hw/nvram/fw_cfg.c | 5 +++-- 5 files changed, 5 insertions(+), 12 deletions(-)