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"""Replay the captured hang payload on FRESH state. Deterministic or state-dependent?"""
import ctypes,struct,time,sys
from tinygrad import Device
from tinygrad.runtime.autogen.am import am
from tinygrad.helpers import lo32,hi32
d=Device["AMD"]; adev=d.iface.dev_impl; psp=adev.psp
SZ=ctypes.sizeof(am.struct_psp_gfx_cmd_resp); P='/Users/user/dev/amd-psp-re/psp_out/'
def stat(): return int.from_bytes(bytes(adev.vram.view(psp.cmd_paddr,SZ)[:])[864:868],"little")
def alloc(n):
pa=adev.mm.palloc(n,align=0x1000,zero=True); return pa,adev.paddr2mc(pa)
def load(cmd,blob):
ap,amc=alloc(0x40000); cp,cmc=alloc(0x8000)
adev.vram.view(ap,len(blob))[:]=blob; adev.gmc.flush_hdp()
adev.vram.view(psp.cmd_paddr,SZ)[:]=b"\x00"*SZ
c=am.struct_psp_gfx_cmd_resp(cmd_id=cmd); t=c.cmd.cmd_load_ta
t.app_phy_addr_hi,t.app_phy_addr_lo=hi32(amc),lo32(amc); t.app_len=len(blob)
t.cmd_buf_phy_addr_hi,t.cmd_buf_phy_addr_lo=hi32(cmc),lo32(cmc); t.cmd_buf_len=0x8000
return psp._ring_submit(c).resp.session_id,cp
def inv(sid,shm,buf,tc):
adev.vram.view(shm,0x8000)[:]=bytes(buf); adev.gmc.flush_hdp()
adev.vram.view(psp.cmd_paddr,SZ)[:]=b"\x00"*SZ
ic=am.struct_psp_gfx_cmd_resp(cmd_id=am.GFX_CMD_ID_INVOKE_CMD); iv=ic.cmd.cmd_invoke_cmd
iv.session_id,iv.ta_cmd_id=sid,tc
t0=time.time()
try: psp._ring_submit(ic); return 0,bytes(adev.vram.view(shm,0x40)[:]),time.time()-t0
except RuntimeError: return stat(),None,time.time()-t0
except TimeoutError: return "TIMEOUT",None,time.time()-t0
a,_=load(am.GFX_CMD_ID_LOAD_ASD,open(P+'asd_full.bin','rb').read())
ds,dshm=load(am.GFX_CMD_ID_LOAD_TA,open(P+'dtm_full.bin','rb').read())
hs,hshm=load(am.GFX_CMD_ID_LOAD_TA,open(P+'hdcp_full.bin','rb').read())
print("sids asd=%#x dtm=%#x hdcp=%#x"%(a,ds,hs))
def topo(h):
b=bytearray(0x8000); struct.pack_into('<I',b,0,2); struct.pack_into('<10I',b,0x10,h,1,1,0,0,0,0,0,0,0)
return inv(ds,dshm,b,2)[0]
print("bring-up:",[topo(h) for h in range(8)])
pay=open(P+'hang_payload_cmd02.bin','rb').read()
N=int(sys.argv[1]) if len(sys.argv)>1 else 40
print("\nreplaying captured cmd 0x02 payload %d times on fresh state:"%N)
for i in range(N):
ps,out,dt=inv(hs,hshm,pay,2)
ret=struct.unpack_from('<I',out,4)[0] if out else None
if ps=="TIMEOUT" or dt>0.5:
print(" iter %d: HANG ps=%s dt=%.2f sos_alive=%s"%(i,ps,dt,psp.is_sos_alive())); break
if i<3 or i%10==0: print(" iter %-3d ps=%s ta_ret=%s dt=%.3f"%(i,ps,ret,dt))
else:
print(" no hang in %d replays -> NOT payload-deterministic"%N)
print("sos_alive:",psp.is_sos_alive())
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