1 files changed, 108 insertions, 0 deletions
diff --git a/tools/proxyclient/experiments/chickens.py b/tools/proxyclient/experiments/chickens.py
new file mode 100755
index 0000000..bc2b6ec
--- /dev/null
+++ b/tools/proxyclient/experiments/chickens.py
@@ -0,0 +1,108 @@
+#!/usr/bin/env python3
+# SPDX-License-Identifier: MIT
+import sys, pathlib
+sys.path.append(str(pathlib.Path(__file__).resolve().parents[1]))
+
+from m1n1.setup import *
+
+sys_regs = dict([
+    ("HID0", (3, 0, 15, 0, 0)),
+    ("HID1", (3, 0, 15, 1, 0)),
+    ("EHID20", (3, 0, 15, 1, 2)),
+    ("HID2", (3, 0, 15, 2, 0)),
+    ("HID3", (3, 0, 15, 3, 0)),
+    ("HID4", (3, 0, 15, 4, 0)),
+    ("EHID4", (3, 0, 15, 4, 1)),
+    ("HID5", (3, 0, 15, 5, 0)),
+    ("HID6", (3, 0, 15, 6, 0)),
+    ("HID7", (3, 0, 15, 7, 0)),
+    ("HID8", (3, 0, 15, 8, 0)),
+    ("HID9", (3, 0, 15, 9, 0)),
+    ("EHID9", (3, 0, 15, 9, 1)),
+    ("HID10", (3, 0, 15, 10, 0)),
+    ("EHID10", (3, 0, 15, 10, 1)),
+    ("HID11", (3, 0, 15, 11, 0)),
+])
+
+CYC_OVRD = (3, 5, 15, 5, 0)
+CYC_CFG = (3, 5, 15, 4, 0)
+
+L2C_ERR_STS = (3, 3, 15, 8, 0)
+
+s3_6_c15_c1_0 = (3, 6, 15, 1, 0)
+s3_6_c15_c1_6 = (3, 6, 15, 1, 6)
+
+s3_4_c15_c1_4 = (3, 4, 15, 1, 4)
+s3_4_c15_c5_0 = (3, 4, 15, 5, 0)
+
+h13e_chickenbits = [
+    ("EHID4", 0x100000000800, 0),
+    ("HID5", 0x2000000000000000, 0),
+    ("EHID10", 0x2000100000000, 0),
+    ("EHID20", 0x100, 0),
+    ("EHID9", 0, 0x20),
+    ("EHID20", 0x8000, 0),
+    ("EHID20", 0x10000, 0),
+    ("EHID20", 0x600000, 0),
+
+]
+
+tlbi_vmalle1 = 0xd508871f
+
+def h13e_init():
+    mpidr = u.mrs(MPIDR_EL1)
+    print("mpidr = 0x%x" % mpidr)
+
+    #print("OSLAR")
+    #u.msr(OSLAR_EL1, 0)
+    #print("s3_6_c15_c1_0")
+    #u.msr(s3_6_c15_c1_0, 1)
+    #print("tlbi_vmalle1")
+    #u.inst(tlbi_vmalle1)
+
+    ## This looks like APRR stuff?
+    #v = u.mrs(s3_6_c15_c1_6)
+    #print("s3_6_c15_c1_6 == 0x%x" % v)
+    #v = 0x2020a505f020f0f0
+    #print("s3_6_c15_c1_6 <= 0x%x" % v)
+    #u.msr(s3_6_c15_c1_6, v)
+
+    #u.msr(s3_6_c15_c1_0, 0)
+
+    for reg, setb, clearb in h13e_chickenbits:
+        v = u.mrs(sys_regs[reg])
+        print("%r == 0x%x" % (reg, v))
+        v &= ~clearb
+        v |= setb
+        print("%r <= 0x%x" % (reg, v))
+        u.msr(sys_regs[reg], v)
+
+    v = u.mrs(s3_4_c15_c5_0)
+    print("s3_4_c15_c5_0 == 0x%x" % v)
+    print("s3_4_c15_c5_0 <= 0x%x" % (mpidr & 0xff))
+    u.msr(s3_4_c15_c5_0, mpidr & 0xff)
+
+    u.msr(s3_4_c15_c1_4, 0x100)
+
+    v = u.mrs(CYC_OVRD)
+    print("CYC_OVRD == 0x%x" % v)
+    v &= ~0xf00000
+    print("CYC_OVRD <= 0x%x" % v)
+    u.msr(CYC_OVRD, v)
+
+    v = u.mrs(ACTLR_EL1)
+    print("ACTLR_EL1 == 0x%x" % v)
+    v |= 0x200
+    print("ACTLR_EL1 <= 0x%x" % v)
+    u.msr(ACTLR_EL1, v)
+
+    v = u.mrs(CYC_CFG)
+    print("CYC_CFG == 0x%x" % v)
+    v |= 0xc
+    print("CYC_CFG <= 0x%x" % v)
+    u.msr(CYC_CFG, v)
+
+    print("L2C_ERR_STS = %x" %  u.mrs(L2C_ERR_STS))
+    u.msr(L2C_ERR_STS, 0)
+
+h13e_init()