[Qemu-devel] [PATCH 11/14] Add some defined constants for VGA offsets.

[Zachary Amsden <zamsden@redhat.com>]

Signed-off-by: Zachary Amsden <zamsden@redhat.com>
---
 hw/cirrus_vga.c |   14 +++++++-------
 hw/vga.c        |   12 ++++++------
 hw/vga_int.h    |    4 ++++
 hw/vmware_vga.c |    2 +-
 4 files changed, 18 insertions(+), 14 deletions(-)

diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c
index 60c67fe..9623820 100644
--- a/hw/cirrus_vga.c
+++ b/hw/cirrus_vga.c
@@ -2002,7 +2002,7 @@ static uint32_t cirrus_vga_mem_readb(void *opaque, target_phys_addr_t addr)
 	return vga_mem_readb(s, addr);
     }
 
-    addr &= 0x1ffff;
+    addr &= VGA_VRAM_MASK;
 
     if (addr < 0x10000) {
 	/* XXX handle bitblt */
@@ -2078,7 +2078,7 @@ static void cirrus_vga_mem_writeb(void *opaque, target_phys_addr_t addr,
         return;
     }
 
-    addr &= 0x1ffff;
+    addr &= VGA_VRAM_MASK;
 
     if (addr < 0x10000) {
 	if (s->cirrus_srcptr != s->cirrus_srcptr_end) {
@@ -2611,7 +2611,7 @@ static void map_linear_vram(CirrusVGAState *s)
         s->vga.lfb_vram_mapped = 1;
     }
     else {
-        cpu_register_physical_memory(s->vga.vram_phys, 0x20000, s->vga.vga_io_memory);
+        cpu_register_physical_memory(s->vga.vram_phys, VGA_VRAM_SIZE, s->vga.vga_io_memory);
     }
 
     vga_dirty_log_start(&s->vga);
@@ -2622,7 +2622,7 @@ static void unmap_linear_vram(CirrusVGAState *s)
     if (s->vga.map_addr && s->vga.lfb_addr && s->vga.lfb_end)
         s->vga.map_addr = s->vga.map_size = 0;
 
-    cpu_register_physical_memory(s->vga.vram_phys, 0x20000, s->vga.vga_io_memory);
+    cpu_register_physical_memory(s->vga.vram_phys, VGA_VRAM_SIZE, s->vga.vga_io_memory);
 }
 
 /* Compute the memory access functions */
@@ -3195,11 +3195,11 @@ static void cirrus_init_common(CirrusVGAState * s, int device_id, int is_pci)
     register_ioport_read(0x3ba, 1, 1, vga_ioport_read, s);
     register_ioport_read(0x3da, 1, 1, vga_ioport_read, s);
 
-    s->vga.vram_phys = isa_mem_base + 0xa0000;
+    s->vga.vram_phys = isa_mem_base + VGA_ISA_ADDRESS;
     s->vga.vga_io_memory = cpu_register_io_memory(cirrus_vga_mem_read,
                                                   cirrus_vga_mem_write, s);
-    cpu_register_physical_memory(s->vga.vram_phys, 0x20000, s->vga.vga_io_memory);
-    qemu_register_coalesced_mmio(s->vga.vram_phys, 0x20000);
+    cpu_register_physical_memory(s->vga.vram_phys, VGA_VRAM_SIZE, s->vga.vga_io_memory);
+    qemu_register_coalesced_mmio(s->vga.vram_phys, VGA_VRAM_SIZE);
 
     /* I/O handler for LFB */
     s->cirrus_linear_io_addr =
diff --git a/hw/vga.c b/hw/vga.c
index 0941962..9fbb489 100644
--- a/hw/vga.c
+++ b/hw/vga.c
@@ -713,7 +713,7 @@ uint32_t vga_mem_readb(void *opaque, target_phys_addr_t addr)
 
     /* convert to VGA memory offset */
     memory_map_mode = (s->gr[6] >> 2) & 3;
-    addr &= 0x1ffff;
+    addr &= VGA_VRAM_MASK;
     switch(memory_map_mode) {
     case 0:
         break;
@@ -803,7 +803,7 @@ void vga_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
 #endif
     /* convert to VGA memory offset */
     memory_map_mode = (s->gr[6] >> 2) & 3;
-    addr &= 0x1ffff;
+    addr &= VGA_VRAM_MASK;
     switch(memory_map_mode) {
     case 0:
         break;
@@ -2420,8 +2420,8 @@ void vga_init(VGAState *s, target_phys_addr_t vram_base,
     }
 
     vga_io_memory = cpu_register_io_memory(vga_mem_read, vga_mem_write, s);
-    cpu_register_physical_memory(vram_base, 0x20000, vga_io_memory);
-    qemu_register_coalesced_mmio(vram_base, 0x20000);
+    cpu_register_physical_memory(vram_base, VGA_VRAM_SIZE, vga_io_memory);
+    qemu_register_coalesced_mmio(vram_base, VGA_VRAM_SIZE);
 }
 
 int isa_vga_init(void)
@@ -2431,7 +2431,7 @@ int isa_vga_init(void)
     s = qemu_mallocz(sizeof(VGAState));
 
     vga_common_init(s, VGA_RAM_SIZE);
-    vga_init(s, isa_mem_base + 0xa0000, 0, -1);
+    vga_init(s, isa_mem_base + VGA_ISA_ADDRESS, 0, -1);
 
     s->ds = graphic_console_init(s->update, s->invalidate,
                                  s->screen_dump, s->text_update, s);
@@ -2491,7 +2491,7 @@ int pci_vga_init(PCIBus *bus,
     s = &d->vga_state;
 
     vga_common_init(s, VGA_RAM_SIZE);
-    vga_init(s, isa_mem_base + 0xa0000, 0, -1);
+    vga_init(s, isa_mem_base + VGA_ISA_ADDRESS, 0, -1);
 
     s->ds = graphic_console_init(s->update, s->invalidate,
                                  s->screen_dump, s->text_update, s);
diff --git a/hw/vga_int.h b/hw/vga_int.h
index bab04c6..d1d0c17 100644
--- a/hw/vga_int.h
+++ b/hw/vga_int.h
@@ -79,6 +79,10 @@
 #define CH_ATTR_SIZE (160 * 100)
 #define VGA_MAX_HEIGHT 2048
 
+#define VGA_ISA_ADDRESS 0xa0000
+#define VGA_VRAM_SIZE   0x20000
+#define VGA_VRAM_MASK   0x1ffff
+
 struct vga_precise_retrace {
     int64_t ticks_per_char;
     int64_t total_chars;
diff --git a/hw/vmware_vga.c b/hw/vmware_vga.c
index d81d263..d51fa81 100644
--- a/hw/vmware_vga.c
+++ b/hw/vmware_vga.c
@@ -1130,7 +1130,7 @@ static void vmsvga_init(struct vmsvga_state_s *s, int vga_ram_size)
 
 #ifdef EMBED_STDVGA
     vga_common_init((VGAState *) s, vga_ram_size);
-    vga_init((VGAState *) s, isa_mem_base + 0xa0000, 0, -1);
+    vga_init((VGAState *) s, isa_mem_base + VGA_ISA_ADDRESS, 0, -1);
 #else
     s->vram_size = vga_ram_size;
     s->vram_offset = qemu_ram_alloc(vga_ram_size);
-- 
1.6.2.5