mirror of
https://github.com/AsahiLinux/m1n1
synced 2024-11-26 00:10:18 +00:00
37 lines
917 B
Python
37 lines
917 B
Python
#!/usr/bin/python
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from setup import *
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payload = open(sys.argv[1], "rb").read()
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try:
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# Try to use the m1n1 heap to avoid wasting 128MB RAM on every load
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new_base = p.memalign(0x10000, len(payload))
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except:
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# Fall back to proxy heap, which will be at the right place in old versions
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new_base = u.memalign(0x10000, len(payload))
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# FIXME: this will currently still waste the whole m1n1 size including payload area (64+MB) on each
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# chainload. The best way to fix this is to support in-place chainloading, which has other
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# advantages.
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print("Loading %d bytes to 0x%x" % (len(payload), new_base))
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iface.writemem(new_base + 0x4000, payload[0x4000:], True)
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entry = new_base + 0x4800
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p.dc_cvau(new_base, len(payload))
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p.ic_ivau(new_base, len(payload))
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print("Jumping to 0x%x" % entry)
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try:
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p.mmu_shutdown()
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except:
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pass
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p.reboot(entry, u.ba_addr)
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iface.nop()
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print("Proxy is alive again")
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