diff options
| author | Jan Kiszka <jan.kiszka@siemens.com> | 2012-08-23 13:02:33 +0200 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2012-09-11 18:15:36 -0300 |
| commit | bd8f2f5d7034172a53c5a5b229613761f3297493 (patch) | |
| tree | 817a167a091ed6055239b9d14ff7962f6513f0f6 /hw/cirrus_vga.c | |
| parent | bb880ded7a6a77b2a7818e6302ac55fbd9ba5e86 (diff) | |
VGA: Flush coalesced MMIO on related MMIO/PIO accesses
In preparation of stopping to flush coalesced MMIO unconditionally on
vmexits, mark VGA MMIO and PIO regions as synchronous /wrt coalesced
MMIO and flush the buffer explicitly on PIO accesses that do not use
generic memory regions yet.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'hw/cirrus_vga.c')
| -rw-r--r-- | hw/cirrus_vga.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c index e8dcc6b883..9a0a565723 100644 --- a/hw/cirrus_vga.c +++ b/hw/cirrus_vga.c @@ -2441,6 +2441,8 @@ static uint32_t cirrus_vga_ioport_read(void *opaque, uint32_t addr) VGACommonState *s = &c->vga; int val, index; + qemu_flush_coalesced_mmio_buffer(); + if (vga_ioport_invalid(s, addr)) { val = 0xff; } else { @@ -2534,6 +2536,8 @@ static void cirrus_vga_ioport_write(void *opaque, uint32_t addr, uint32_t val) VGACommonState *s = &c->vga; int index; + qemu_flush_coalesced_mmio_buffer(); + /* check port range access depending on color/monochrome mode */ if (vga_ioport_invalid(s, addr)) { return; @@ -2854,6 +2858,7 @@ static void cirrus_init_common(CirrusVGAState * s, int device_id, int is_pci, /* I/O handler for LFB */ memory_region_init_io(&s->cirrus_linear_io, &cirrus_linear_io_ops, s, "cirrus-linear-io", VGA_RAM_SIZE); + memory_region_set_flush_coalesced(&s->cirrus_linear_io); /* I/O handler for LFB */ memory_region_init_io(&s->cirrus_linear_bitblt_io, @@ -2861,10 +2866,12 @@ static void cirrus_init_common(CirrusVGAState * s, int device_id, int is_pci, s, "cirrus-bitblt-mmio", 0x400000); + memory_region_set_flush_coalesced(&s->cirrus_linear_bitblt_io); /* I/O handler for memory-mapped I/O */ memory_region_init_io(&s->cirrus_mmio_io, &cirrus_mmio_io_ops, s, "cirrus-mmio", CIRRUS_PNPMMIO_SIZE); + memory_region_set_flush_coalesced(&s->cirrus_mmio_io); s->real_vram_size = (s->device_id == CIRRUS_ID_CLGD5446) ? 4096 * 1024 : 2048 * 1024; |