From 0ed40f16a17eaa3a53d62cc871779fa9d5b4447d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Wed, 23 Oct 2019 16:06:23 +0200 Subject: [PATCH] sm501: make SerialMM a child, export chardev property MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Embed the SerialMM sybus device, and re-export its "chardev" property. That way, we can get rid of PROP_PTR "chr-state" and better track devices relationship. Signed-off-by: Marc-André Lureau Reviewed-by: Peter Maydell --- hw/display/sm501.c | 29 +++++++++++++++++++++-------- hw/sh4/r2d.c | 2 +- 2 files changed, 22 insertions(+), 9 deletions(-) diff --git a/hw/display/sm501.c b/hw/display/sm501.c index 79bd7bc2d1..66a1bfbe60 100644 --- a/hw/display/sm501.c +++ b/hw/display/sm501.c @@ -1930,7 +1930,7 @@ typedef struct { SM501State state; uint32_t vram_size; uint32_t base; - void *chr_state; + SerialMM serial; } SM501SysBusState; static void sm501_realize_sysbus(DeviceState *dev, Error **errp) @@ -1938,6 +1938,7 @@ static void sm501_realize_sysbus(DeviceState *dev, Error **errp) SM501SysBusState *s = SYSBUS_SM501(dev); SysBusDevice *sbd = SYS_BUS_DEVICE(dev); DeviceState *usb_dev; + MemoryRegion *mr; sm501_init(&s->state, dev, s->vram_size); if (get_local_mem_size(&s->state) != s->vram_size) { @@ -1958,15 +1959,15 @@ static void sm501_realize_sysbus(DeviceState *dev, Error **errp) sysbus_pass_irq(sbd, SYS_BUS_DEVICE(usb_dev)); /* bridge to serial emulation module */ - serial_mm_init(&s->state.mmio_region, SM501_UART0, 2, - NULL, /* TODO : chain irq to IRL */ - 115200, s->chr_state, DEVICE_LITTLE_ENDIAN); + qdev_init_nofail(DEVICE(&s->serial)); + mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->serial), 0); + memory_region_add_subregion(&s->state.mmio_region, SM501_UART0, mr); + /* TODO : chain irq to IRL */ } static Property sm501_sysbus_properties[] = { DEFINE_PROP_UINT32("vram-size", SM501SysBusState, vram_size, 0), DEFINE_PROP_UINT32("base", SM501SysBusState, base, 0), - DEFINE_PROP_PTR("chr-state", SM501SysBusState, chr_state), DEFINE_PROP_END_OF_LIST(), }; @@ -1997,9 +1998,20 @@ static void sm501_sysbus_class_init(ObjectClass *klass, void *data) dc->props = sm501_sysbus_properties; dc->reset = sm501_reset_sysbus; dc->vmsd = &vmstate_sm501_sysbus; - /* Note: pointer property "chr-state" may remain null, thus - * no need for dc->user_creatable = false; - */ +} + +static void sm501_sysbus_init(Object *o) +{ + SM501SysBusState *sm501 = SYSBUS_SM501(o); + SerialMM *smm = &sm501->serial; + + sysbus_init_child_obj(o, "serial", smm, sizeof(SerialMM), TYPE_SERIAL_MM); + qdev_set_legacy_instance_id(DEVICE(smm), SM501_UART0, 2); + qdev_prop_set_uint8(DEVICE(smm), "regshift", 2); + qdev_prop_set_uint8(DEVICE(smm), "endianness", DEVICE_LITTLE_ENDIAN); + + object_property_add_alias(o, "chardev", + OBJECT(smm), "chardev", &error_abort); } static const TypeInfo sm501_sysbus_info = { @@ -2007,6 +2019,7 @@ static const TypeInfo sm501_sysbus_info = { .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(SM501SysBusState), .class_init = sm501_sysbus_class_init, + .instance_init = sm501_sysbus_init, }; #define TYPE_PCI_SM501 "sm501" diff --git a/hw/sh4/r2d.c b/hw/sh4/r2d.c index ee0840f380..72bb5285cc 100644 --- a/hw/sh4/r2d.c +++ b/hw/sh4/r2d.c @@ -272,7 +272,7 @@ static void r2d_init(MachineState *machine) busdev = SYS_BUS_DEVICE(dev); qdev_prop_set_uint32(dev, "vram-size", SM501_VRAM_SIZE); qdev_prop_set_uint32(dev, "base", 0x10000000); - qdev_prop_set_ptr(dev, "chr-state", serial_hd(2)); + qdev_prop_set_chr(dev, "chardev", serial_hd(2)); qdev_init_nofail(dev); sysbus_mmio_map(busdev, 0, 0x10000000); sysbus_mmio_map(busdev, 1, 0x13e00000);