mirror of
https://github.com/AsahiLinux/m1n1
synced 2024-11-23 07:03:08 +00:00
118 lines
3.6 KiB
Python
118 lines
3.6 KiB
Python
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import serial, os, struct, sys, time
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from proxy import *
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from tgtypes import *
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import malloc
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CurrentEL = 3,0,4,2,2
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DAIF = 3,3,4,2,1
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DAIFSet = 0,3,4,2,6
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DAIFClr = 0,3,4,2,7
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TPIDR_EL0 = 3,3,13,0,2
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CNTFRQ_EL0 = 3,3,14,0,0
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CNTPCT_EL0 = 3,3,14,0,1
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CNTP_TVAL_EL0 = 3,3,14,2,0
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CNTP_CTL_EL0 = 3,3,14,2,1
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CNTP_CVAL_EL0 = 3,3,14,2,2
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class ProxyUtils(object):
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def __init__(self, p):
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self.iface = p.iface
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self.proxy = p
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self.base = p.get_base()
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self.ba_addr = p.get_bootargs()
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self.ba = self.iface.readstruct(self.ba_addr, BootArgs)
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self._scratch = self.base + ((self.ba.top_of_kernel_data + 0xffff) & ~0xffff) - self.ba.phys_base
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self.heap = malloc.Heap(self._scratch, self._scratch + 0x1000000)
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self.malloc = self.heap.malloc
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self.free = self.heap.free
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self.code_buffer = self.malloc(0x10000)
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def mrs(self, reg):
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op0, op1, CRn, CRm, op2 = reg
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op = (((op0 & 1) << 19) | (op1 << 16) | (CRn << 12) |
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(CRm << 8) | (op2 << 5) | 0xd5300000)
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func = struct.pack("<II", op, 0xd65f03c0)
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self.iface.writemem(self.code_buffer, func)
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self.proxy.dc_cvau(self.code_buffer, 8)
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self.proxy.ic_ivau(self.code_buffer, 8)
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return self.proxy.call(self.code_buffer)
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def msr(self, reg, val):
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op0, op1, CRn, CRm, op2 = reg
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op = (((op0 & 1) << 19) | (op1 << 16) | (CRn << 12) |
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(CRm << 8) | (op2 << 5) | 0xd5100000)
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func = struct.pack("<II", op, 0xd65f03c0)
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self.iface.writemem(self.code_buffer, func)
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self.proxy.dc_cvau(self.code_buffer, 8)
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self.proxy.ic_ivau(self.code_buffer, 8)
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self.proxy.call(self.code_buffer, val)
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class RegMonitor(object):
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def __init__(self, utils):
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self.utils = utils
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self.proxy = utils.proxy
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self.iface = self.proxy.iface
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self.ranges = []
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self.last = None
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base = utils.base
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self.scratch = utils.malloc(0x100000)
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def add(self, start, size):
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self.ranges.append((start, size))
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self.last = [None] * len(self.ranges)
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def poll(self):
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if not self.ranges:
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return
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cur = []
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for (start, size), last in zip(self.ranges, self.last):
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self.proxy.memcpy32(self.scratch, start, size)
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block = self.proxy.iface.readmem(self.scratch, size)
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count = size // 4
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words = struct.unpack("<%dI" % count, block)
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cur.append(words)
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if last == words:
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continue
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row = 8
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for i in range(0, count, row):
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if not last:
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print("%016x" % (start + i * 4), end=" ")
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for new in words[i:i+row]:
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print("%08x" % new, end=" ")
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print()
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elif last[i:i+row] != words[i:i+row]:
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print("%016x" % (start + i * 4), end=" ")
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for old, new in zip(last[i:i+row], words[i:i+row]):
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so = "%08x" % old
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sn = s = "%08x" % new
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if old != new:
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s = "\x1b[32m"
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ld = False
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for a,b in zip(so, sn):
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d = a != b
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if ld != d:
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s += "\x1b[31;1;4m" if d else "\x1b[32m"
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ld = d
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s += b
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s += "\x1b[m"
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print(s, end=" ")
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print()
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self.last = cur
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