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Re: [Qemu-devel] [Qemu-ppc][PATCH v6 5/5] spapr: Add support for -vga op


From: Li Zhang
Subject: Re: [Qemu-devel] [Qemu-ppc][PATCH v6 5/5] spapr: Add support for -vga option
Date: Sat, 04 Aug 2012 15:55:12 +0800
User-agent: Mozilla/5.0 (X11; Linux i686; rv:14.0) Gecko/20120714 Thunderbird/14.0

Reply to mailing list. :)

On 2012年08月05日 02:41, address@hidden wrote:
From: Li Zhang <address@hidden>

Also instanciate the USB keyboard and mouse when that option is used
(you can still use -device to create individual devices without all
the defaults)

Signed-off-by: Benjamin Herrenschmidt <address@hidden>
Signed-off-by: Li Zhang <address@hidden>
---
  hw/spapr.c |   31 ++++++++++++++++++++++++++++++-
  1 files changed, 30 insertions(+), 1 deletions(-)

diff --git a/hw/spapr.c b/hw/spapr.c
index 4dc5e59..e8eb947 100644
--- a/hw/spapr.c
+++ b/hw/spapr.c
@@ -45,6 +45,8 @@
  #include "kvm.h"
  #include "kvm_ppc.h"
  #include "pci.h"
+#include "vga-pci.h"
+#include "usb.h"

  #include "exec-memory.h"

@@ -82,6 +84,7 @@
  #define PHANDLE_XICP            0x00001111

  sPAPREnvironment *spapr;
+bool spapr_has_graphics;

  qemu_irq spapr_allocate_irq(uint32_t hint, uint32_t *irq_num,
                              enum xics_irq_type type)
@@ -257,6 +260,9 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
          _FDT((fdt_property(fdt, "qemu,boot-kernel", &kprop, sizeof(kprop))));
      }
      _FDT((fdt_property_string(fdt, "qemu,boot-device", boot_device)));
+    _FDT((fdt_property_cell(fdt, "qemu,graphic-width", graphic_width)));
+    _FDT((fdt_property_cell(fdt, "qemu,graphic-height", graphic_height)));
+    _FDT((fdt_property_cell(fdt, "qemu,graphic-depth", graphic_depth)));

      _FDT((fdt_end_node(fdt)));

@@ -503,7 +509,9 @@ static void spapr_finalize_fdt(sPAPREnvironment *spapr,
          }
      }

-    spapr_populate_chosen_stdout(fdt, spapr->vio_bus);
+    if (!spapr_has_graphics) {
+        spapr_populate_chosen_stdout(fdt, spapr->vio_bus);
+    }

      _FDT((fdt_pack(fdt)));

@@ -556,6 +564,18 @@ static void spapr_cpu_reset(void *opaque)
      cpu_reset(CPU(cpu));
  }

+static int spapr_vga_init(PCIBus *pci_bus)
+{
+    if (std_vga_enabled) {
+        pci_vga_init(pci_bus);
+    } else {
+        fprintf(stderr, "This vga model is not supported,"
+                "currently it only supports -vga std\n");
+        return 0;
+    }
+    return 1;
+}
+
  /* pSeries LPAR / sPAPR hardware init */
  static void ppc_spapr_init(ram_addr_t ram_size,
                             const char *boot_device,
@@ -712,6 +732,11 @@ static void ppc_spapr_init(ram_addr_t ram_size,
          spapr_vscsi_create(spapr->vio_bus);
      }

+    /* Graphics */
+    if (spapr_vga_init(QLIST_FIRST(&spapr->phbs)->host_state.bus)) {
+        spapr_has_graphics = true;
+    }
+
      mach_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
      if (mach_opts) {
          usb_enabled = qemu_opt_get_bool(mach_opts, "usb", true);
@@ -720,6 +745,10 @@ static void ppc_spapr_init(ram_addr_t ram_size,
      if (usb_enabled) {
          pci_create_simple(QLIST_FIRST(&spapr->phbs)->host_state.bus,
                            -1, "pci-ohci");
+        if (spapr_has_graphics) {
+            usbdevice_create("keyboard");
+            usbdevice_create("mouse");
+        }
      }

      if (rma_size < (MIN_RMA_SLOF << 20)) {


--

Li Zhang
IBM China Linux Technology Centre




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