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Was supposed to happen on Jan 1, sorry! Happy late new year!
Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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What's new?
- Add new defines in sys/cdefs.h.
- Clean up Kernel synchronization API (sys/kern/kern_synch.c).
- Added queue(3) and tree(3) to the man page directory.
- Added extra security measures around interrupt entry
code to prevent potentially nasty speculative execution
issues (see commit 817d1ad).
- Default to Clang/LLVM during builds.
- Significant console optimizations (see commit d8fd1be)
- Significant boot latency reductions due to PCI bus scan
optimizations (see commit e7cf7a9)
Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Added more defines and comments to the UART driver, based on the 16550
chip datasheet, to make it more clear how each operation works.
Signed-off-by: Quinn Stephens <quinn@osmora.org>
Signed-off-by: Ian Moffett <ian@osmora.org>
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Uses recursive bus/bridge scanning, skips nonexistent devices, and only
scans for multiple functions on multifunction devices. This may result
in PCI scanning being up to 100x as fast.
Signed-off-by: Quinn Stephens <quinn@osmora.org>
Signed-off-by: Ian Moffett <ian@osmora.org>
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Prevents the cursor from being cleared right before a character is drawn
or right after the screen is cleared. Also optimized the cursor drawing
routine to just draw a rectangle instead of rendering a space character.
Additionally renamed `cons_render_char()` to `cons_draw_char()` and
fixed all characters being drawn one pixel too far to the right.
Signed-off-by: Quinn Stephens <quinn@osmora.org>
Signed-off-by: Ian Moffett <ian@osmora.org>
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Added support for building with Clang/LLVM and made it the default since
building a cross-compiling toolchain with GCC is generally less
efficient.
In `configure.ac`, `TOOLCHAIN` must be set to `clang` or `gcc`.
Signed-off-by: Quinn Stephens <quinn@osmora.org>
Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Add machine-independent PCI MSI-X EOI wrapper to Local APIC EOI function
Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Ensure all loads preceding SWAPGS are serialized using LFENCE. This
mitigates the possibility of SWAPGS being speculatively bypassed which
would lead to security issues.
Signed-off-by: Ian Moffett <ian@osmora.org>
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Maintain naming consistency between public machine-dependent and
machine-independent functions.
Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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This commit expands the virtual memory subsystem by providing the
initial implementation of virtual memory objects, pager descriptors and
pagers. This change currently implemenents a minimal vnode pager.
Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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This commit implements local vcaches and lazy vcache migration (LZVM)
for on the fly vcache type switching.
Signed-off-by: Ian Moffett <ian@osmora.org>
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Require internal add/pull routines to be passed a pointer to the vcache
to be operated on. This makes it easier to support for per-process vcaches and LZVM.
Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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This commit makes changes to how vnodes are allocated and released. When
we want to allocate a new vnode, we check if there is something we can
recycle before calling dynalloc(). Instead of calling dynfree() on a
vnode, enter it into the vnode cache.
Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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This commit makes various changes such as updating how readonly and
writable entries are stored and how entry lookups are made to improve
flexibility.
Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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