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Kernel: Allow to disable early boot console
This aid debugging on bare metal when we suspect that the boot console does something wrong that interferes with other kernel components.
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4 changed files with 23 additions and 4 deletions
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@ -35,6 +35,12 @@ List of options:
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* **`disable_virtio`** - If present on the command line, virtio devices will not be detected, and initialized on boot.
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* **`early_boot_console`** - This parameter expects **`on`** or **`off`** and is by default set to **`on`**.
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When set to **`off`**, the kernel will not initialize any early console to show kernel dmesg output.
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When set to **`on`**, the kernel will try to initialize either a text mode console (if VGA text mode was detected)
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or framebuffer console, based on what the Multiboot bootloader specified on the physical address, width, height
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and bit color depth.
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* **`enable_ioapic`** - This parameter expects **`on`** or **`off`** and is by default set to **`on`**.
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When set to **`off`**, the kernel will initialize the two i8259 PICs.
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When set to **`on`**, the kernel will try to initialize the IOAPIC (or IOAPICs if there's more than one),
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