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Aiden Park
f7e97417f5
This page is to provide basic GDB usage on QEMU target for better understanding SBL flow. - Prepare SBL QEMU image - Prepare GDB helper scripts - Launch QEMU target - Launch GDB - Transit Stage1A to Stage1B - Transit Stage1B to Stage2 - Transit Stage2 to OsLoader Signed-off-by: Aiden Park <aiden.park@intel.com>
62 lines
2.4 KiB
ReStructuredText
62 lines
2.4 KiB
ReStructuredText
.. _ExerciseSblShellCli:
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Exercise \\- \ SBL Shell/CLI
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------------------------------
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.. note::
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**In this exercise, we'll learn how to execute SBL Shell Commands.**
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* Used ``help<ENTER>`` to list the available commands
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You can execute |SPN| with the following steps:
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1. Working on Command Prompt
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2. Execute cmd on Shell by type-in:
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+------------+------------------------------------------------+
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| **exit** | \\- \ Exit the shell |
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+------------+------------------------------------------------+
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| **help** | \\- \ List supported commands |
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+------------+------------------------------------------------+
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| **hob** | \\- \ List HOBs |
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+------------+------------------------------------------------+
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| **mem** | \\- \ Read or write system memory |
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+------------+------------------------------------------------+
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| **mmap** | \\- \ Display memory map |
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+------------+------------------------------------------------+
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| **perf** | \\- \ Display performance data |
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+------------+------------------------------------------------+
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| **boot** | \\- \ Print or modify the OS boot option list |
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+------------+------------------------------------------------+
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| **cpuid** | \\- \ Read CPU specific information |
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+------------+------------------------------------------------+
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| **io** | \\- \ Read or write I/O ports |
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+------------+------------------------------------------------+
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| **msr** | \\- \ Read or write model specific registers |
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+------------+------------------------------------------------+
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| **mtrr** | \\- \ Display current MTRR configuration |
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+------------+------------------------------------------------+
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| **pci** | \\- \ Display PCI devices (example) |
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+------------+------------------------------------------------+
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| **reset** | \\- \ Reset the system |
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+------------+------------------------------------------------+
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| **ucode** | \\- \ Display microcode version |
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+------------+------------------------------------------------+
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**Example**::
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pci - Display PCI devices
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.. image:: /images/ex3.jpg
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:alt: Compile completed
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:align: center
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.. tip::
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Exit Shell by close QEMU
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