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Sun, 19 Feb 2017 18:03:39 +0100 (CET) Message-Id: <4bed0ec61e74992657933af970366a9e2636589a.1487522123.git.balaton@eik.bme.hu> In-Reply-To: References: From: BALATON Zoltan Date: Sun, 19 Feb 2017 17:35:23 +0100 To: qemu-devel@nongnu.org, qemu-trivial@nongnu.org X-detected-operating-system: by eggs.gnu.org: FreeBSD 9.x [fuzzy] X-Received-From: 152.66.115.2 Subject: [Qemu-devel] [PATCH 04/10] sm501: Add emulation of chip connected via PCI X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Aurelien Jarno Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Only the display controller part is created automatically on PCI Signed-off-by: BALATON Zoltan --- hw/display/sm501.c | 58 +++++++++++++++++++++++++++++++++++++++++---- hw/display/sm501_template.h | 8 +++---- 2 files changed, 58 insertions(+), 8 deletions(-) diff --git a/hw/display/sm501.c b/hw/display/sm501.c index b592022..e966896 100644 --- a/hw/display/sm501.c +++ b/hw/display/sm501.c @@ -31,6 +31,7 @@ #include "ui/console.h" #include "hw/devices.h" #include "hw/sysbus.h" +#include "hw/pci/pci.h" #include "qemu/range.h" #include "ui/pixel_ops.h" #include "exec/address-spaces.h" @@ -460,7 +461,6 @@ typedef struct SM501State { QemuConsole *con; /* status & internal resources */ - hwaddr base; uint32_t local_mem_size_index; uint8_t *local_mem; MemoryRegion local_mem_region; @@ -1397,12 +1397,11 @@ static const GraphicHwOps sm501_ops = { .gfx_update = sm501_update_display, }; -static void sm501_init(SM501State *s, DeviceState *dev, uint32_t base, +static void sm501_init(SM501State *s, DeviceState *dev, uint32_t local_mem_bytes) { MemoryRegion *mr; - s->base = base; s->local_mem_size_index = get_local_mem_size_index(local_mem_bytes); SM501_DPRINTF("sm501 local mem size=%x. index=%d\n", get_local_mem_size(s), s->local_mem_size_index); @@ -1457,7 +1456,7 @@ static void sm501_realize_sysbus(DeviceState *dev, Error **errp) SysBusDevice *sbd = SYS_BUS_DEVICE(dev); DeviceState *usb_dev; - sm501_init(&s->state, dev, s->base, s->vram_size); + sm501_init(&s->state, dev, s->vram_size); sysbus_init_mmio(sbd, &s->state.local_mem_region); sysbus_init_mmio(sbd, &s->state.mmio_region); @@ -1505,9 +1504,60 @@ static const TypeInfo sm501_sysbus_info = { .class_init = sm501_sysbus_class_init, }; +#define TYPE_PCI_SM501 "sm501" +#define PCI_SM501(obj) OBJECT_CHECK(SM501PCIState, (obj), TYPE_PCI_SM501) + +typedef struct { + /*< private >*/ + PCIDevice parent_obj; + /*< public >*/ + SM501State state; + uint32_t vram_size; +} SM501PCIState; + +static void sm501_realize_pci(PCIDevice *dev, Error **errp) +{ + SM501PCIState *s = PCI_SM501(dev); + + sm501_init(&s->state, DEVICE(dev), s->vram_size); + pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, + &s->state.local_mem_region); + pci_register_bar(dev, 1, PCI_BASE_ADDRESS_SPACE_MEMORY, + &s->state.mmio_region); +} + +static Property sm501_pci_properties[] = { + DEFINE_PROP_UINT32("vram-size", SM501PCIState, vram_size, + 64 * 1024 * 1024), + DEFINE_PROP_END_OF_LIST(), +}; + +static void sm501_pci_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); + + k->realize = sm501_realize_pci; + k->vendor_id = 0x126f; + k->device_id = 0x0501; + k->class_id = PCI_CLASS_DISPLAY_OTHER; + set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); + dc->desc = "SM501 Display Controller"; + dc->props = sm501_pci_properties; + dc->hotpluggable = false; +} + +static const TypeInfo sm501_pci_info = { + .name = TYPE_PCI_SM501, + .parent = TYPE_PCI_DEVICE, + .instance_size = sizeof(SM501PCIState), + .class_init = sm501_pci_class_init, +}; + static void sm501_register_types(void) { type_register_static(&sm501_sysbus_info); + type_register_static(&sm501_pci_info); } type_init(sm501_register_types) diff --git a/hw/display/sm501_template.h b/hw/display/sm501_template.h index 16e500b..832ee61 100644 --- a/hw/display/sm501_template.h +++ b/hw/display/sm501_template.h @@ -103,13 +103,13 @@ static void glue(draw_hwc_line_, PIXEL_NAME)(SM501State *s, int crt, uint8_t *palette, int c_y, uint8_t *d, int width) { int x, i; - uint8_t bitset = 0; + uint8_t *pixval, bitset = 0; /* get hardware cursor pattern */ uint32_t cursor_addr = get_hwc_address(s, crt); assert(0 <= c_y && c_y < SM501_HWC_HEIGHT); cursor_addr += SM501_HWC_WIDTH * c_y / 4; /* 4 pixels per byte */ - cursor_addr += s->base; + pixval = s->local_mem + cursor_addr; /* get cursor position */ x = get_hwc_x(s, crt); @@ -120,8 +120,8 @@ static void glue(draw_hwc_line_, PIXEL_NAME)(SM501State *s, int crt, /* get pixel value */ if (i % 4 == 0) { - bitset = ldub_phys(&address_space_memory, cursor_addr); - cursor_addr++; + bitset = ldub_p(pixval); + pixval++; } v = bitset & 3; bitset >>= 2;