|
|
|
@ -82,7 +82,7 @@ class SyscallInterface:
|
|
|
|
|
return scall.ret(len(data))
|
|
|
|
|
|
|
|
|
|
except UnicodeEncodeError:
|
|
|
|
|
print(FMT_ERROR + '[Syscall] read: UnicodeError - invalid input "{}"'.format(chars) + FMT_NONE)
|
|
|
|
|
print(FMT_SYSCALL + '[Syscall] read: UnicodeError - invalid input "{}"'.format(chars) + FMT_NONE)
|
|
|
|
|
return scall.ret(-1)
|
|
|
|
|
|
|
|
|
|
def write(self, scall: Syscall):
|
|
|
|
@ -99,7 +99,7 @@ class SyscallInterface:
|
|
|
|
|
data = scall.cpu.mmu.read(addr, size)
|
|
|
|
|
|
|
|
|
|
if not isinstance(str, bytearray):
|
|
|
|
|
print(FMT_ERROR + '[Syscall] write: writing from .text region not supported.' + FMT_NONE)
|
|
|
|
|
print(FMT_SYSCALL + '[Syscall] write: writing from .text region not supported.' + FMT_NONE)
|
|
|
|
|
return scall.ret(-1)
|
|
|
|
|
|
|
|
|
|
self.open_files[fileno].write(data.decode('ascii'))
|
|
|
|
@ -120,7 +120,7 @@ class SyscallInterface:
|
|
|
|
|
Requires running with flag scall-fs
|
|
|
|
|
"""
|
|
|
|
|
if not scall.cpu.conf.scall_fs:
|
|
|
|
|
print(FMT_ERROR + '[Syscall] open: opening files not supported without scall-fs flag!' + FMT_NONE)
|
|
|
|
|
print(FMT_SYSCALL + '[Syscall] open: opening files not supported without scall-fs flag!' + FMT_NONE)
|
|
|
|
|
return scall.ret(-1)
|
|
|
|
|
|
|
|
|
|
mode = scall.registers.get('a0')
|
|
|
|
@ -129,7 +129,7 @@ class SyscallInterface:
|
|
|
|
|
|
|
|
|
|
mode_st = OPEN_MODES.get(mode, )
|
|
|
|
|
if mode_st == -1:
|
|
|
|
|
print(FMT_ERROR + '[Syscall] open: unknown opening mode {}!'.format(mode) + FMT_NONE)
|
|
|
|
|
print(FMT_SYSCALL + '[Syscall] open: unknown opening mode {}!'.format(mode) + FMT_NONE)
|
|
|
|
|
return scall.ret(-1)
|
|
|
|
|
|
|
|
|
|
path = scall.cpu.mmu.read(addr, size).decode('ascii')
|
|
|
|
@ -140,10 +140,10 @@ class SyscallInterface:
|
|
|
|
|
try:
|
|
|
|
|
self.open_files[fileno] = open(path, mode_st)
|
|
|
|
|
except OSError as err:
|
|
|
|
|
print(FMT_ERROR + '[Syscall] open: encountered error during {}!'.format(err.strerror) + FMT_NONE)
|
|
|
|
|
print(FMT_SYSCALL + '[Syscall] open: encountered error during {}!'.format(err.strerror) + FMT_NONE)
|
|
|
|
|
return scall.ret(-1)
|
|
|
|
|
|
|
|
|
|
print(FMT_CYAN + '[Syscall] open: opened fd {} to {}!'.format(fileno, path) + FMT_NONE)
|
|
|
|
|
print(FMT_SYSCALL + '[Syscall] open: opened fd {} to {}!'.format(fileno, path) + FMT_NONE)
|
|
|
|
|
return scall.ret(fileno)
|
|
|
|
|
|
|
|
|
|
def close(self, scall: Syscall):
|
|
|
|
@ -154,11 +154,11 @@ class SyscallInterface:
|
|
|
|
|
"""
|
|
|
|
|
fileno = scall.registers.get('a0')
|
|
|
|
|
if fileno not in self.open_files:
|
|
|
|
|
print(FMT_ERROR + '[Syscall] close: unknown fileno {}!'.format(fileno) + FMT_NONE)
|
|
|
|
|
print(FMT_SYSCALL + '[Syscall] close: unknown fileno {}!'.format(fileno) + FMT_NONE)
|
|
|
|
|
return scall.ret(-1)
|
|
|
|
|
|
|
|
|
|
self.open_files[fileno].close()
|
|
|
|
|
print(FMT_CYAN + '[Syscall] close: closed fd {}!'.format(fileno) + FMT_NONE)
|
|
|
|
|
print(FMT_SYSCALL + '[Syscall] close: closed fd {}!'.format(fileno) + FMT_NONE)
|
|
|
|
|
del self.open_files[fileno]
|
|
|
|
|
return scall.ret(0)
|
|
|
|
|
|
|
|
|
|