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(32 and 64-bit, LE and BE). The changes were tested with QEMU's 'mips' target. Most of the implementation was lifted from the ARM version, the appropriate MIPS-specific things were implemented. With these changes I am able to go all the way through the u-boot->ubldr->kernel boot chain in QEMU on all combinations of bit-ness and endian-ness. For the tests I've used FAT32 disk images (as FAT32 is supported by U-boot), which include /boot/kernel/kernel and /boot/kernel/ubldr.bin In U-boot I do: fatload ide 0 <LOAD_ADDR> /boot/kernel/ubldr.bin; go <LOAD_ADDR> where LOAD_ADDR is 80800000 for 32-bit and ffffffff80800000 for 64-bit Then it's the usual ubldr that takes over and loads and starts a kernel. Approved by: adrian (mentor) Sponsored by: Smartcom - Bulgaria AD Differential Revision: https://reviews.freebsd.org/D5313
28 lines
884 B
Plaintext
28 lines
884 B
Plaintext
$FreeBSD$
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###############################################################################
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# Tubenv DShow or import U-Boot environment variables
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ubenv <import | show> [varname ...]
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Display U-Boot environment variables, or import them into the
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loader environment (which makes them available in the kernel).
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###############################################################################
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# Tubenv Simport DImport U-Boot env vars
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ubenv import [varname ...]
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If no variable names are specified, all U-Boot environment
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variables are imported. Each variable is prefixed with "uboot."
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to avoid any possible conflicts with loader or kernel variables.
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###############################################################################
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# Tubenv Sshow DShow U-Boot env vars
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ubenv show [varname ...]
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If no variable names are specified, all U-Boot environment
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variables are shown.
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