def w_sr(cpu_index, regname, selector, base, limit, flags):
"""Write segment register. Only applies to x86 / x86-64
:param cpu_index: CPU index of the register to write
:type cpu_index: int
:param regname: Name of the register to write
:type regname: str
:param selector: Value (selector) to write
:type selector: int
:param base: Value (base) to write
:type selector: int
:param limit: Value (limit) to write
:type selector: int
:return: None
:rtype: None
"""
from utils import ConfigurationManager as conf_m
import c_api
if cpu_index >= get_num_cpus():
raise ValueError("Incorrect cpu index specified")
if conf_m.platform == "i386-softmmu":
if regname in X86CPU.reg_nums:
# If this function call fails, it will raise an exception.
# Given that the exception is self explanatory, we just let it
# propagate upwards
return c_api.w_sr(
cpu_index,
X86CPU.reg_nums[regname],
selector,
base,
limit,
flags)
else:
raise ValueError("[w_r] Wrong register specification")
elif conf_m.platform == "x86_64-softmmu":
if regname in X64CPU.reg_nums:
# If this function call fails, it will raise an exception.
# Given that the exception is self explanatory, we just let it
# propagate upwards
return c_api.w_sr(
cpu_index,
X64CPU.reg_nums[regname],
selector,
base,
limit,
flags)
else:
raise ValueError("[w_r] Wrong register specification")
else:
raise ValueError("[w_r] Wrong platform specification")
def w_sr(cpu_index, regname, selector, base, limit, flags):
"""Write segment register. Only applies to x86 / x86-64
:param cpu_index: CPU index of the register to write
:type cpu_index: int
:param regname: Name of the register to write
:type regname: str
:param selector: Value (selector) to write
:type selector: int
:param base: Value (base) to write
:type selector: int
:param limit: Value (limit) to write
:type selector: int
:return: None
:rtype: None
"""
from utils import ConfigurationManager as conf_m
import c_api
if cpu_index >= get_num_cpus():
raise ValueError("Incorrect cpu index specified")
if conf_m.platform == "i386-softmmu":
if regname in X86CPU.reg_nums:
# If this function call fails, it will raise an exception.
# Given that the exception is self explanatory, we just let it
# propagate upwards
return c_api.w_sr(
cpu_index,
X86CPU.reg_nums[regname],
selector,
base,
limit,
flags)
else:
raise ValueError("[w_r] Wrong register specification")
elif conf_m.platform == "x86_64-softmmu":
if regname in X64CPU.reg_nums:
# If this function call fails, it will raise an exception.
# Given that the exception is self explanatory, we just let it
# propagate upwards
return c_api.w_sr(
cpu_index,
X64CPU.reg_nums[regname],
selector,
base,
limit,
flags)
else:
raise ValueError("[w_r] Wrong register specification")
else:
raise ValueError("[w_r] Wrong platform specification")
