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authorShawn Nematbakhsh <shawnn@chromium.org>2015-09-10 19:07:13 -0700
committerPatrick Georgi <pgeorgi@google.com>2015-09-17 14:17:31 +0000
commitd2cb11811ca0fd45ebfb3a08f1c4cc8faa1d56d4 (patch)
tree596ed5b3a90b0f06774a7a280607ee4b89de12ec /src/lib/b64_decode.c
parent741537e1d99ed7465f5a7e74089667ef1d3a5bfc (diff)
ifdtool: Properly set + decode flmstr regs for IFD v2
flmstr register bits have slightly different meaning for IFD v2. BUG=chrome-os-partner:45091, chrome-os-partner:43461 TEST=Run `ifdtool -d image.bin` on IFD v1 locked squawks image: Found Master Section FLMSTR1: 0x0a0b0000 (Host CPU/BIOS) Platform Data Region Write Access: disabled GbE Region Write Access: enabled Intel ME Region Write Access: disabled Host CPU/BIOS Region Write Access: enabled Flash Descriptor Write Access: disabled Platform Data Region Read Access: disabled GbE Region Read Access: enabled Intel ME Region Read Access: disabled Host CPU/BIOS Region Read Access: enabled Flash Descriptor Read Access: enabled Requester ID: 0x0000 FLMSTR2: 0x0c0d0000 (Intel ME) Platform Data Region Write Access: disabled GbE Region Write Access: enabled Intel ME Region Write Access: enabled Host CPU/BIOS Region Write Access: disabled Flash Descriptor Write Access: disabled Platform Data Region Read Access: disabled GbE Region Read Access: enabled Intel ME Region Read Access: enabled Host CPU/BIOS Region Read Access: disabled Flash Descriptor Read Access: enabled Requester ID: 0x0000 FLMSTR3: 0x08080118 (GbE) Platform Data Region Write Access: disabled GbE Region Write Access: enabled Intel ME Region Write Access: disabled Host CPU/BIOS Region Write Access: disabled Flash Descriptor Write Access: disabled Platform Data Region Read Access: disabled GbE Region Read Access: enabled Intel ME Region Read Access: disabled Host CPU/BIOS Region Read Access: disabled Flash Descriptor Read Access: disabled Requester ID: 0x0118 Then, run `ifdtool -l image.bin` and verify newly locked image is identical. Next, run `ifdtool -l image.bin` on unlocked glados image. Verify that locked and unlocked regions are identical to above. Finally, burn glados image, run `flashrom -V`, and verify ME regions is locked and descriptor region is RO. BRANCH=None Change-Id: I8a65bdc5edd0d888138b88c1189f8badd1404b64 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 11c434835a66a50ab2c0c01a084edc96cbe052da Original-Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org> Original-Change-Id: I875dfce6f5cf57831714702872bfe636f8f953f4 Original-Reviewed-on: https://chromium-review.googlesource.com/298968 Original-Commit-Ready: Shawn N <shawnn@chromium.org> Original-Tested-by: Shawn N <shawnn@chromium.org> Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/11658 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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