Modify framebuffer and NGA framebuffer to read screen size from board model dtb file. Optimise memory usuage of frame buffer
Add example minigui application with hooks to profiler (which writes results to S:\). Modified NGA framebuffer to run its own dfc queue at high priority
import qemu
class syborg_timer(qemu.devclass):
REG_ID = 0
REG_LATCH = 1
REG_DATA_LOW = 2
REG_DATA_HIGH = 3
def create(self):
self.data = 0
self.offset = qemu.start_time() * 1000000 - qemu.get_clock()
def read_reg(self, offset):
offset >>= 2
if offset == self.REG_ID:
return 0xc51d0004
elif offset == self.REG_DATA_LOW:
return self.data & 0xffffffff
elif offset == self.REG_DATA_HIGH:
return (self.data >> 32) & 0xffffffff
return 0
def write_reg(self, offset, value):
offset >>= 2
if offset == self.REG_LATCH:
now = qemu.get_clock()
if value >= 4:
self.offset = self.data - now
else:
self.data = now + self.offset
while value:
self.data /= 1000
value -= 1;
elif offset == self.REG_DATA_LOW:
self.data = (self.data & ~0xffffffff) | value
elif offset == self.REG_DATA_HIGH:
self.data = (self.data & 0xffffffff) | (value << 32)
def save(self, f):
f.put_s64(self.offset)
f.put_u64(self.data)
def load(self, f):
self.offset = f.get_s64()
self.data = f.get_u64()
# Device class properties
regions = [qemu.ioregion(0x1000, readl=read_reg, writel=write_reg)]
irqs = 0
name = "syborg,rtc"
properties = {}
qemu.register_device(syborg_timer)