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_interrupt(qemu.devclass):
REG_ID = 0
REG_STATUS = 1
REG_CURRENT = 2
REG_DISABLE_ALL = 3
REG_DISABLE = 4
REG_ENABLE = 5
REG_TOTAL = 6
def update(self):
self.pending = self.level & self.enabled
self.set_irq_level(0, len(self.pending) > 0)
def set_input(self, n, level):
if level:
if n in self.level:
return
self.level.add(n)
else:
if n not in self.level:
return
self.level.discard(n)
self.update()
def create(self):
self.num_inputs = self.properties["num-interrupts"]
self.enabled = set()
self.level = set()
self.pending = set()
self.create_interrupts(self.set_input, self.num_inputs)
def read_reg(self, offset):
offset >>= 2
if offset == self.REG_ID:
return 0xc51d0000
elif offset == self.REG_STATUS:
return len(self.pending)
elif offset == self.REG_CURRENT:
for i in range(self.num_inputs):
if i in self.pending:
return i
return 0xffffffff
elif offset == self.REG_TOTAL:
return self.num_inputs
return 0
def write_reg(self, offset, value):
offset >>= 2
if offset == self.REG_DISABLE_ALL:
self.enabled = set()
elif offset == self.REG_DISABLE:
if (value < self.num_inputs):
self.enabled.discard(value)
elif offset == self.REG_ENABLE:
if (value < self.num_inputs):
self.enabled.add(value)
self.update()
def save(self, f):
f.put_u32(self.num_inputs)
for i in range(self.num_inputs):
val = 0
if i in self.enabled:
val |= 1
if i in self.level:
val |= 2
f.put_u32(val)
def load(self, f):
val = f.get_u32()
if val != self.num_inputs:
raise ValueError, "Incorrect number of IRQs"
self.level = set()
self.enabled = set()
for i in range(self.num_inputs):
val = f.get_u32()
if (val & 1) != 0:
self.enabled.add(i)
if (val & 2) != 0:
self.level.add(i)
self.update()
# Device class properties
regions = [qemu.ioregion(0x1000, readl=read_reg, writel=write_reg)]
irqs = 1
name = "syborg,interrupt"
properties = {"num-interrupts":64}
qemu.register_device(syborg_interrupt)