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HelenOS
(root)
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branches
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sparc
/
kernel
/
genarch
/
src
/
ofw
/
ofw_tree.c
– Rev 3742
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3742
5842 d 18 h
rimsky
/branches/sparc/
The sparc branch synchronized with trunk at revision 3722 (trunk@3722).
3618
5876 d 8 h
rimsky
/branches/sparc/
Support for framebuffers, where the first pixel is mapped to a different address than the OBP 'reg' property claims. Cleanup, comments, C-style.
3582
5886 d 21 h
rimsky
/branches/sparc/
Made changes making HelenOS run on US-IV CPUs. Minor refactoring of the SGCN driver.
3343
5971 d 14 h
decky
/branches/sparc/
add sparc branch
2745
6145 d 19 h
decky
/trunk/
code cleanup (mostly signed/unsigned)
allow extra compiler warnings
2071
6551 d 10 h
jermar
/trunk/
(c) versus (C)
1974
6622 d 12 h
jermar
/trunk/kernel/genarch/src/ofw/
Rewrite OFW device tree traversal algorithms to iterate over the list of peers rather than recurse on each
peer node. This saves us from big troubles with stack overflows.
1972
6624 d 17 h
jermar
/trunk/
Modify selected function to consume less stack space.
Avoid flushw instruction in the sparc64 loader.
1908
6660 d 20 h
jermar
/trunk/kernel/genarch/
Add function to find OFW tree node by handle.
1899
6664 d 18 h
jermar
/trunk/
sparc64 work:
- Loader now starts all processors.
- Kernel halts all but the bootstrup processor for now.
- Read clock-frequency from the respective processor node in the device tree
1896
6668 d 9 h
jermar
/trunk/
Convert sparc64 to detect keyboard and determine
its physical address by walking the memory representation
of the OpenFirmware device tree.
Add bus-specific functions that know how to apply the
"ranges" property to one component of the "reg" property.
Buses supported so far include FHC, EBUS and PCI.
1895
6670 d 10 h
jermar
/trunk/
More ofw_tree work and fixes.
Add ofw_tree_lookup().
Every ofw_tree_node now also contains a disambigued name which is essential for tree lookups.
1894
6671 d 8 h
jermar
/trunk/
Add balloc() (a.k.a boot allocator):
- balloc() only needs to know how to allocate memory.
- Memory allocated via balloc() is supposed to be passed to kernel and never freed by boot itself.
- make kernel aware of boot allocations
More work on OFW device tree:
- use balloc() to efficiently and safely allocate memory for the canonical copy of the device tree
sparc64 boot:
- pass OFW device tree root node pointer to kernel