def load_binary(self):
p = self.bin
if p!=None:
# create text and data segments according to elf header:
for s in p.Phdr:
ms = p.loadsegment(s,PAGESIZE)
if ms!=None:
vaddr,data = ms.popitem()
self.state.mmap.write(vaddr,data)
# create the stack zone:
self.state.mmap.newzone(cpu.sp)
self.state[cpu.pc] = cpu.cst(self.bin.entrypoints[0],16)
for r in cpu.R : self.state[r] = cpu.cst(0,8)
def load_binary(self, bprm):
p = Task(bprm, cpu)
p.OS = self
# map the CODE area:
p.code.mmap.write(bprm.entrypoints[0], self.dataio.read())
# define registers:
for r in cpu.registers:
p.state[r] = cpu.cst(0, r.size())
p.state[cpu.pc] = cpu.cst(bprm.entrypoints[0] / 2, cpu.pc.size())
RAMEND = 0x0900
p.state[cpu.sp] = cpu.cst(RAMEND, 16)
# map the DATA area:
p.state.mmap.write(0x100, b'\0' * (RAMEND - 0x100))
# map the BIOS functions as external symbols:
self.load_bios(p.code.mmap)
self.tasks.append(p)
return p
def use_avr(self):
from amoco.arch.avr import cpu
self.cpu = cpu
self.state[cpu.pc] = cpu.cst(0,32)
def initenv(self):
from amoco.cas.mapper import mapper
m = mapper()
m[cpu.pc] = cpu.cst(self.bin.entrypoints[0],16)
for r in cpu.R : m[r] = cpu.cst(0,8)
return m