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vmware: setup PCI BAR 2 for FIFO as per vmware spec 

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Dave Airlie 2009-12-18 08:08:06 +10:00 committed by Anthony Liguori
parent 9ef5c4bf81
commit f351d050dc
1 changed files with 30 additions and 5 deletions
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35
hw/vmware_vga.c
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@ -67,6 +67,11 @@ struct vmsvga_state_s {
int syncing;
int fb_size;
ram_addr_t fifo_offset;
uint8_t *fifo_ptr;
unsigned int fifo_size;
target_phys_addr_t fifo_base;
union {
uint32_t *fifo;
struct __attribute__((__packed__)) {
@ -680,7 +685,7 @@ static uint32_t vmsvga_value_read(void *opaque, uint32_t address)
return 0x0;
case SVGA_REG_VRAM_SIZE:
return s->vga.vram_size - SVGA_FIFO_SIZE;
return s->vga.vram_size;
case SVGA_REG_FB_SIZE:
return s->fb_size;
@ -701,10 +706,10 @@ static uint32_t vmsvga_value_read(void *opaque, uint32_t address)
return caps;
case SVGA_REG_MEM_START:
return s->vram_base + s->vga.vram_size - SVGA_FIFO_SIZE;
return s->fifo_base;
case SVGA_REG_MEM_SIZE:
return SVGA_FIFO_SIZE;
return s->fifo_size;
case SVGA_REG_CONFIG_DONE:
return s->config;
@ -790,7 +795,7 @@ static void vmsvga_value_write(void *opaque, uint32_t address, uint32_t value)
case SVGA_REG_CONFIG_DONE:
if (value) {
s->fifo = (uint32_t *) &s->vga.vram_ptr[s->vga.vram_size - SVGA_FIFO_SIZE];
s->fifo = (uint32_t *) s->fifo_ptr;
/* Check range and alignment. */
if ((CMD(min) | CMD(max) |
CMD(next_cmd) | CMD(stop)) & 3)
@ -1059,7 +1064,7 @@ static int vmsvga_post_load(void *opaque, int version_id)
s->invalidated = 1;
if (s->config)
s->fifo = (uint32_t *) &s->vga.vram_ptr[s->vga.vram_size - SVGA_FIFO_SIZE];
s->fifo = (uint32_t *) s->fifo_ptr;
return 0;
}
@ -1111,6 +1116,10 @@ static void vmsvga_init(struct vmsvga_state_s *s, int vga_ram_size)
vmsvga_reset(s);
s->fifo_size = SVGA_FIFO_SIZE;
s->fifo_offset = qemu_ram_alloc(s->fifo_size);
s->fifo_ptr = qemu_get_ram_ptr(s->fifo_offset);
vga_common_init(&s->vga, vga_ram_size);
vga_init(&s->vga);
vmstate_register(0, &vmstate_vga_common, &s->vga);
@ -1166,6 +1175,19 @@ static void pci_vmsvga_map_mem(PCIDevice *pci_dev, int region_num,
iomemtype);
}
static void pci_vmsvga_map_fifo(PCIDevice *pci_dev, int region_num,
pcibus_t addr, pcibus_t size, int type)
{
struct pci_vmsvga_state_s *d = (struct pci_vmsvga_state_s *) pci_dev;
struct vmsvga_state_s *s = &d->chip;
ram_addr_t iomemtype;
s->fifo_base = addr;
iomemtype = s->fifo_offset | IO_MEM_RAM;
cpu_register_physical_memory(s->fifo_base, s->fifo_size,
iomemtype);
}
static int pci_vmsvga_initfn(PCIDevice *dev)
{
struct pci_vmsvga_state_s *s =
@ -1189,6 +1211,9 @@ static int pci_vmsvga_initfn(PCIDevice *dev)
pci_register_bar(&s->card, 1, VGA_RAM_SIZE,
PCI_BASE_ADDRESS_MEM_PREFETCH, pci_vmsvga_map_mem);
pci_register_bar(&s->card, 2, SVGA_FIFO_SIZE,
PCI_BASE_ADDRESS_MEM_PREFETCH, pci_vmsvga_map_fifo);
vmsvga_init(&s->chip, VGA_RAM_SIZE);
return 0;