Uploaded sanitized BC250/ROCm Repository.

2026-08-20 00:45:43 +02:00
parent 7d2184f1e8
commit d7d22e93b3
678 changed files with 65963 additions and 1 deletions
@@ -0,0 +1,68 @@
+import struct, sys
+
+MODULE = '/tmp/amdgpu_installed.ko'
+OUTPUT = '/tmp/amdgpu_repatched.ko'
+
+# Current validation values (from patch_validation.py): MIN=350, MAX=2230
+# lea -(2231) = 0xFFFFF749  -> 49 F7 FF FF
+# cmp -(2230-350+2) = -1882 = 0xFFFFF8A6 -> A6 F8 FF FF
+
+# New validation values: MIN=350, MAX=2500
+# lea -(2501) = 0xFFFFF63B -> 3B F6 FF FF
+# cmp -(2500-350+2) = -2152 = 0xFFFFF798 -> 98 F7 FF FF
+
+old_lea = bytes.fromhex('49f7ffff')
+new_lea = bytes.fromhex('3bf6ffff')
+old_cmp = bytes.fromhex('a6f8ffff')
+new_cmp = bytes.fromhex('98f7ffff')
+
+import shutil
+shutil.copy2(MODULE, OUTPUT)
+
+with open(OUTPUT, 'rb') as f:
+    data = f.read()
+
+print(f'Module size: {len(data)} bytes')
+print()
+
+# Find and patch all validation lea/cmp pairs
+# Expected offsets: around 0x330186, 0x33018D, 0x3301F9, 0x3301FE
+# But these may have shifted if the module binary changed
+
+patches_applied = 0
+
+# Search for old lea displacement in the cyan_skillfish function region (0x330000-0x330400)
+for search_start in range(0x330000, 0x330400):
+    if data[search_start:search_start+4] == old_lea:
+        # Check if there's the cmp value nearby (within 20 bytes)
+        for j in range(search_start+4, search_start+24):
+            if data[j:j+4] == old_cmp:
+                print(f'  Found validation pair: lea@0x{search_start:x}, cmp@0x{j:x}')
+                # Patch both
+                data = bytearray(data)
+                data[search_start:search_start+4] = new_lea
+                data[j:j+4] = new_cmp
+                patches_applied += 2
+                print(f'    Patched lea: {old_lea.hex()} -> {new_lea.hex()}')
+                print(f'    Patched cmp: {old_cmp.hex()} -> {new_cmp.hex()}')
+                break
+
+if patches_applied == 0:
+    print('WARNING: No validation patches found at expected offsets!')
+    print('Searching wider range...')
+    # Wider search
+    pos = 0
+    while True:
+        idx = bytes(data).find(old_lea, pos)
+        if idx == -1: break
+        print(f'  Found old_lea at 0x{idx:x}')
+        for j in range(idx+4, min(idx+24, len(data)-4)):
+            if data[j:j+4] == old_cmp:
+                print(f'  Found matching cmp at 0x{j:x}')
+                break
+        pos = idx + 1
+
+with open(OUTPUT, 'wb') as f:
+    f.write(data)
+
+print(f'\nDone. Applied {patches_applied} patches to {OUTPUT}')