6 files changed, 44 insertions, 4 deletions

diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c
index 24af81c..b08d2ae 100644
--- a/hw/cirrus_vga.c
+++ b/hw/cirrus_vga.c
@@ -3211,7 +3211,7 @@ static int pci_cirrus_vga_initfn(PCIDevice *dev)
      }
 
      /* ROM BIOS */
-     rom_add_vga(VGABIOS_CIRRUS_FILENAME);
+     pci_add_option_rom((PCIDevice *)d, VGABIOS_CIRRUS_FILENAME);
      return 0;
 }
 
diff --git a/hw/e1000.c b/hw/e1000.c
index 8566fe3..f795601 100644
--- a/hw/e1000.c
+++ b/hw/e1000.c
@@ -1125,7 +1125,7 @@ static int pci_e1000_init(PCIDevice *pci_dev)
     if (!pci_dev->qdev.hotplugged) {
         static int loaded = 0;
         if (!loaded) {
-            rom_add_option("pxe-e1000.bin");
+            pci_add_option_rom(&d->dev, "pxe-e1000.bin");
             loaded = 1;
         }
     }
diff --git a/hw/pci.c b/hw/pci.c
index 086da4f..b037fd8 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -26,6 +26,7 @@
 #include "monitor.h"
 #include "net.h"
 #include "sysemu.h"
+#include "loader.h"
 
 //#define DEBUG_PCI
 #ifdef DEBUG_PCI
@@ -1438,6 +1439,40 @@ static uint8_t pci_find_capability_list(PCIDevice *pdev, uint8_t cap_id,
     return next;
 }
 
+static void pci_map_option_rom(PCIDevice *pdev, int region_num, pcibus_t addr, pcibus_t size, int type)
+{
+    cpu_register_physical_memory(addr, size, pdev->rom_offset);
+}
+
+/* Add an option rom for the device */
+int pci_add_option_rom(PCIDevice *pdev, const char *name)
+{
+    int size;
+    char *path;
+    void *ptr;
+
+    path = qemu_find_file(QEMU_FILE_TYPE_BIOS, name);
+    if (path == NULL) {
+        path = qemu_strdup(name);
+    }
+
+    size = get_image_size(path);
+    if (size & (size - 1)) {
+        size = 1 << qemu_fls(size);
+    }
+
+    pdev->rom_offset = qemu_ram_alloc(size);
+
+    ptr = qemu_get_ram_ptr(pdev->rom_offset);
+    load_image(path, ptr);
+    qemu_free(path);
+
+    pci_register_bar(pdev, PCI_ROM_SLOT, size,
+                     0, pci_map_option_rom);
+
+    return 0;
+}
+
 /* Reserve space and add capability to the linked list in pci config space */
 int pci_add_capability(PCIDevice *pdev, uint8_t cap_id, uint8_t size)
 {
diff --git a/hw/pci.h b/hw/pci.h
index dc9b860..d25fe50 100644
--- a/hw/pci.h
+++ b/hw/pci.h
@@ -242,6 +242,9 @@ struct PCIDevice {
     uint32_t msix_bar_size;
     /* Version id needed for VMState */
     int32_t version_id;
+
+    /* Location of option rom */
+    ram_addr_t rom_offset;
 };
 
 PCIDevice *pci_register_device(PCIBus *bus, const char *name,
@@ -253,6 +256,8 @@ void pci_register_bar(PCIDevice *pci_dev, int region_num,
                             pcibus_t size, int type,
                             PCIMapIORegionFunc *map_func);
 
+int pci_add_option_rom(PCIDevice *pdev, const char *name);
+
 int pci_add_capability(PCIDevice *pci_dev, uint8_t cap_id, uint8_t cap_size);
 
 void pci_del_capability(PCIDevice *pci_dev, uint8_t cap_id, uint8_t cap_size);
diff --git a/hw/rtl8139.c b/hw/rtl8139.c
index 9fd05a8..2cee97b 100644
--- a/hw/rtl8139.c
+++ b/hw/rtl8139.c
@@ -3357,7 +3357,7 @@ static int pci_rtl8139_init(PCIDevice *dev)
     if (!dev->qdev.hotplugged) {
         static int loaded = 0;
         if (!loaded) {
-            rom_add_option("pxe-rtl8139.bin");
+            pci_add_option_rom(&s->dev, "pxe-rtl8139.bin");
             loaded = 1;
         }
     }
diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c
index 4500130..85f14a2 100644
--- a/hw/virtio-pci.c
+++ b/hw/virtio-pci.c
@@ -522,7 +522,7 @@ static int virtio_net_init_pci(PCIDevice *pci_dev)
     if (!pci_dev->qdev.hotplugged) {
         static int loaded = 0;
         if (!loaded) {
-            rom_add_option("pxe-virtio.bin");
+            pci_add_option_rom(pci_dev, "pxe-virtio.bin");
             loaded = 1;
         }
     }