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Work around MEMERASE ioctl for rk3066 compatibility

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Due to a kernel bug and no available sources we have to work around the
MEMERASE ioctl - if used, it hangs and never returns. I straced the original
recovery executable and could see that it is simply calling write() with a
bunch of zeroes instead of using MEMERASE.

Added a hack that does the same and now the resulting TWRP recovery image works.

Change-Id: I1b1c1c9e870e350776346bdca5d442c7ef565aa0
This commit is contained in:
Sergey 'Jin' Bostandzhyan
2013-01-04 02:29:03 +01:00
parent d9a9616195
commit 80a90edd47
6 changed files with 140 additions and 0 deletions
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Android.mk
+4
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@@ -206,6 +206,10 @@ ifeq ($(TW_INCLUDE_JB_CRYPTO), true)
LOCAL_C_INCLUDES += system/extras/ext4_utils external/openssl/include
endif
ifeq ($(TARGET_BOARD_PLATFORM),rk30xx)
LOCAL_CFLAGS += -DRK3066
endif
include $(BUILD_EXECUTABLE)
include $(CLEAR_VARS)