|
@@ -28,7 +28,7 @@ decoupling distro install/boot logic from any knowledge of the bootloader.
|
|
|
|
|
|
This model assumes that boards will load boot configuration files from a
|
|
|
regular storage mechanism (eMMC, SD card, USB Disk, SATA disk, etc.) with
|
|
|
-a standard partitioning scheme (MBR, GPT). Boards that cannnot support this
|
|
|
+a standard partitioning scheme (MBR, GPT). Boards that cannot support this
|
|
|
storage model are outside the scope of this document, and may still need
|
|
|
board-specific installer/boot-configuration support in a distro.
|
|
|
|
|
@@ -37,9 +37,9 @@ that contains U-Boot, and that the user has somehow installed U-Boot to this
|
|
|
flash before running the distro installer. Even on boards that do not conform
|
|
|
to this aspect of the model, the extent of the board-specific support in the
|
|
|
distro installer logic would be to install a board-specific U-Boot package to
|
|
|
-the boot partition partition during installation. This distro-supplied U-Boot
|
|
|
-can still implement the same features as on any other board, and hence the
|
|
|
-distro's boot configuration file generation logic can still be board-agnostic.
|
|
|
+the boot partition during installation. This distro-supplied U-Boot can still
|
|
|
+implement the same features as on any other board, and hence the distro's boot
|
|
|
+configuration file generation logic can still be board-agnostic.
|
|
|
|
|
|
Locating Bootable Disks
|
|
|
-----------------------
|
|
@@ -61,7 +61,7 @@ any other bootloader) will find those boot files and execute them. This is
|
|
|
conceptually identical to creating a grub2 configuration file on a desktop
|
|
|
PC.
|
|
|
|
|
|
-Note that in the absense of any partition that is explicitly marked bootable,
|
|
|
+Note that in the absence of any partition that is explicitly marked bootable,
|
|
|
U-Boot falls back to searching the first valid partition of a disk for boot
|
|
|
configuration files. Other bootloaders are recommended to do the same, since
|
|
|
I believe that partition table bootable flags aren't so commonly used outside
|
|
@@ -238,7 +238,7 @@ kernel_addr_r:
|
|
|
The kernel should be located within the first 128M of RAM in order for the
|
|
|
kernel CONFIG_AUTO_ZRELADDR option to work, which is likely enabled on any
|
|
|
distro kernel. Since the kernel will decompress itself to 0x8000 after the
|
|
|
- start of RAM, kernel_addr_rshould not overlap that area, or the kernel will
|
|
|
+ start of RAM, kernel_addr_r should not overlap that area, or the kernel will
|
|
|
have to copy itself somewhere else first before decompression.
|
|
|
|
|
|
A size of 16MB for the kernel is likely adequate.
|