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There have been many changes since EfiLoadDxe.cmm was last updated in 2011. The EFI_SYSTEM_TABLE can no longer be found by scanning memory on 4KB boundaries, so require users pass in its address instead. Update various offsets so that the debug information can be found and loaded with a recent version of TRACE32. Signed-off-by: Rebecca Cran <rebecca@os.amperecomputing.com> Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>
17 lines
973 B
Markdown
17 lines
973 B
Markdown
# DXE Phase Debug
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Allow your system to boot to the point that the DXE
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core is initialized (so that the System Table and Debug Information table is
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present in memory) and execute this script (using the toolbar button or
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'do EfiLoadDxe "0xGST_ADDRESS"' from the command area). 'GST_ADDRESS' is the
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address of the EFI_SYSTEM_TABLE, and can be found by the global `gST`.
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The script will scan memory for the debug info table and load modules in it.
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# SEC/PEI Phase Debug
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There is no way to autodetect where these images reside so you must pass an
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address for the memory-mapped Firmware Volume containing these images. To do
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this, enter 'do EfiLoadFv <addr>' where <addr> is the base address for the
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firmware volume containing the SEC or PEI code. To be more efficient you may
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want to create a script that calls this, like MyBoardLoadSec.cmm which contains
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the call to EfiLoadFv. You can them map this script to a T32 menu or toolbar
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button for quick access.
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