[Qemu-devel] [PATCH 14/17] ac97: symbolic names for pci registers

["Michael S. Tsirkin" <mst@redhat.com>]

No functional changes. I verified that the generated binary
does not change.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 hw/ac97.c |   57 +++++++++++++++++++++++++++++++--------------------------
 1 files changed, 31 insertions(+), 26 deletions(-)

diff --git a/hw/ac97.c b/hw/ac97.c
index 62e349a..4319bc8 100644
--- a/hw/ac97.c
+++ b/hw/ac97.c
@@ -1284,37 +1284,42 @@ static int ac97_initfn (PCIDevice *dev)
     pci_config_set_vendor_id (c, PCI_VENDOR_ID_INTEL); /* ro */
     pci_config_set_device_id (c, PCI_DEVICE_ID_INTEL_82801AA_5); /* ro */
 
-    c[0x04] = 0x00;      /* pcicmd pci command rw, ro */
-    c[0x05] = 0x00;
+    /* TODO: no need to override */
+    c[PCI_COMMAND] = 0x00;      /* pcicmd pci command rw, ro */
+    c[PCI_COMMAND + 1] = 0x00;
 
-    c[0x06] = 0x80;      /* pcists pci status rwc, ro */
-    c[0x07] = 0x02;
+    /* TODO: */
+    c[PCI_STATUS] = PCI_STATUS_FAST_BACK;      /* pcists pci status rwc, ro */
+    c[PCI_STATUS + 1] = PCI_STATUS_DEVSEL_MEDIUM >> 8;
 
-    c[0x08] = 0x01;      /* rid revision ro */
-    c[0x09] = 0x00;      /* pi programming interface ro */
+    c[PCI_REVISION_ID] = 0x01;      /* rid revision ro */
+    c[PCI_CLASS_PROG] = 0x00;      /* pi programming interface ro */
     pci_config_set_class (c, PCI_CLASS_MULTIMEDIA_AUDIO); /* ro */
     c[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; /* headtyp header type ro */
 
-    c[0x10] = 0x01;      /* nabmar native audio mixer base
-                            address rw */
-    c[0x11] = 0x00;
-    c[0x12] = 0x00;
-    c[0x13] = 0x00;
-
-    c[0x14] = 0x01;      /* nabmbar native audio bus mastering
-                            base address rw */
-    c[0x15] = 0x00;
-    c[0x16] = 0x00;
-    c[0x17] = 0x00;
-
-    c[0x2c] = 0x86;      /* svid subsystem vendor id rwo */
-    c[0x2d] = 0x80;
-
-    c[0x2e] = 0x00;      /* sid subsystem id rwo */
-    c[0x2f] = 0x00;
-
-    c[0x3c] = 0x00;      /* intr_ln interrupt line rw */
-    c[0x3d] = 0x01;      /* intr_pn interrupt pin ro */
+    /* TODO set when bar is registered. no need to override. */
+    /* nabmar native audio mixer base address rw */
+    c[PCI_BASE_ADDRESS_0] = PCI_BASE_ADDRESS_SPACE_IO;
+    c[PCI_BASE_ADDRESS_0 + 1] = 0x00;
+    c[PCI_BASE_ADDRESS_0 + 2] = 0x00;
+    c[PCI_BASE_ADDRESS_0 + 3] = 0x00;
+
+    /* TODO set when bar is registered. no need to override. */
+      /* nabmbar native audio bus mastering base address rw */
+    c[PCI_BASE_ADDRESS_0 + 4] = PCI_BASE_ADDRESS_SPACE_IO;
+    c[PCI_BASE_ADDRESS_0 + 5] = 0x00;
+    c[PCI_BASE_ADDRESS_0 + 6] = 0x00;
+    c[PCI_BASE_ADDRESS_0 + 7] = 0x00;
+
+    c[PCI_SUBSYSTEM_VENDOR_ID] = 0x86;      /* svid subsystem vendor id rwo */
+    c[PCI_SUBSYSTEM_VENDOR_ID + 1] = 0x80;
+
+    c[PCI_SUBSYSTEM_ID] = 0x00;      /* sid subsystem id rwo */
+    c[PCI_SUBSYSTEM_ID + 1] = 0x00;
+
+    c[PCI_INTERRUPT_LINE] = 0x00;      /* intr_ln interrupt line rw */
+    /* TODO: RST# value should be 0. */
+    c[PCI_INTERRUPT_PIN] = 0x01;      /* intr_pn interrupt pin ro */
 
     pci_register_bar (&s->dev, 0, 256 * 4, PCI_BASE_ADDRESS_SPACE_IO,
                       ac97_map);
-- 
1.6.6.rc1.43.gf55cc