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"""Where does RAS actually put its result? Dump the full changed region per cmd."""
import ctypes,struct
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/'; S=0x8000; MARK=0x5A
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(S)
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=S
return psp._ring_submit(c).resp.session_id, cp
def inv(sid,shm,buf,tc):
adev.vram.view(shm,S)[:]=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
try: psp._ring_submit(ic); ps=0
except RuntimeError: ps=stat()
except TimeoutError: return "TIMEOUT",None
return ps, bytes(adev.vram.view(shm,S)[:])
ras,rsh=load(am.GFX_CMD_ID_LOAD_TA, open(P+'ras_full.bin','rb').read())
print("RAS sid=%s"%ras)
for c in (0,1,3,4):
for variant,mut in (("zero",None),("blk=2",lambda b: struct.pack_into('<I',b,8,2)),
("blk=0xff",lambda b: struct.pack_into('<I',b,8,0xff))):
b=bytearray(S)
for i in range(S): b[i]=MARK
struct.pack_into('<I',b,0,c)
for off in range(4,0x40,4): struct.pack_into('<I',b,off,0)
if mut: mut(b)
sent=bytes(b); ps,o=inv(ras,rsh,b,c)
if o is None: print(" cmd %d %-9s TIMEOUT"%(c,variant)); continue
diff=[i for i in range(S) if sent[i]!=o[i]]
print(" cmd %d %-9s psp=%s changed=%2d at %s"%(c,variant,hex(ps) if isinstance(ps,int) else ps,len(diff),
[hex(x) for x in diff[:14]]))
if diff:
lo,hi=min(diff),max(diff)+1
print(" region %#06x..%#06x : %s"%(lo,hi,o[lo:min(hi,lo+40)].hex()))
print("sos_alive:",psp.is_sos_alive())
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