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Bootimage file is named bootimage-blog_os.bin

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This commit is contained in:
Philipp Oppermann
2018-10-22 19:22:08 +02:00
committed by GitHub
parent e34804d23b
commit 9eef331df6
1 changed files with 3 additions and 3 deletions
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blog/content/second-edition/posts/02-minimal-rust-kernel/index.md
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@@ -380,7 +380,7 @@ After installing the `bootimage` tool, creating a bootable disk image is as easy
The tool also recompiles your kernel using `cargo xbuild`, so it will automatically pick up any changes you make. The tool also recompiles your kernel using `cargo xbuild`, so it will automatically pick up any changes you make.
After executing the command, you should see a file named `bootimage.bin` in your `target/x86_64-blog_os/debug` directory. This file is a bootable disk image. You can boot it in a virtual machine or copy it to an USB drive to boot it on real hardware. (Note that this is not a CD image, which have a different format, so burning it to a CD doesn't work). After executing the command, you should see a file named `bootimage-blog_os.bin` in your `target/x86_64-blog_os/debug` directory. This file is a bootable disk image. You can boot it in a virtual machine or copy it to an USB drive to boot it on real hardware. (Note that this is not a CD image, which have a different format, so burning it to a CD doesn't work).
#### How does it work? #### How does it work?
The `bootimage` tool performs the following steps behind the scenes: The `bootimage` tool performs the following steps behind the scenes:
@@ -412,7 +412,7 @@ We can now boot the disk image in a virtual machine. To boot it in [QEMU], execu
[QEMU]: https://www.qemu.org/ [QEMU]: https://www.qemu.org/
``` ```
> qemu-system-x86_64 -drive format=raw,file=bootimage.bin > qemu-system-x86_64 -drive format=raw,file=bootimage-blog_os.bin
warning: TCG doesn't support requested feature: CPUID.01H:ECX.vmx [bit 5] warning: TCG doesn't support requested feature: CPUID.01H:ECX.vmx [bit 5]
``` ```
@@ -432,7 +432,7 @@ By default it invokes the exact same QEMU command as above. Additional QEMU opti
It is also possible to write it to an USB stick and boot it on a real machine: It is also possible to write it to an USB stick and boot it on a real machine:
``` ```
> dd if=target/x86_64-blog_os/debug/bootimage.bin of=/dev/sdX && sync > dd if=target/x86_64-blog_os/debug/bootimage-blog_os.bin of=/dev/sdX && sync
``` ```
Where `sdX` is the device name of your USB stick. **Be careful** to choose the correct device name, because everything on that device is overwritten. Where `sdX` is the device name of your USB stick. **Be careful** to choose the correct device name, because everything on that device is overwritten.