| Rev |
Age |
Author |
Path |
Log message |
Diff |
| 3862 |
5573 d 14 h |
rimsky |
/branches/sparc/kernel/ |
Changed the structure of header files, which have sun4u and sun4v versions. Implemented some sun4v TSB functions. |
|
| 3835 |
5578 d 14 h |
rimsky |
/branches/sparc/kernel/arch/sparc64/ |
Niagara: Implemented (and debugged) installing identity mapping for kernel. Now all the kernel tests pass on Simics. |
|
| 3801 |
5590 d 16 h |
rimsky |
/branches/sparc/kernel/arch/sparc64/src/trap/sun4v/ |
Minor fixes in the preemptible trap handler. |
|
| 3798 |
5591 d 14 h |
rimsky |
/branches/sparc/kernel/ |
Implemented preemptible trap handler for sun4v for trapping from kernel (not userspace). Not properly tested/debugged yet. HelenOS now reaches the as_install_arch function (where it, of course, fails). |
|
| 3770 |
5606 d 15 h |
rimsky |
/branches/sparc/ |
Working on Niagara port - TLB initialization, MMU fault status area initialization, hypercall enhancement, modified tick.c so that the (hyperprivileged) TICK register does not have to be accessed. Now the initialization phase proceeds, but some parts of it are omitted for now (e.g. CPU initialization). |
|
| 3743 |
5614 d 0 h |
rimsky |
/branches/sparc/ |
Started to implement support for sun4v. Bootloader adapted to autodetect the architecture (sun4u, sun4v). Some generic sparc64 kernel files split into sun4u and sun4v versions (but the sun4u is still the default in many cases - in order to keep the code compilable). Implemented taking over the MMU. Implemented routines for performing the hypervisor API calls. Implemented a trivial standard output driver. HelenOS banner can now be printed from the kernel on Niagara. |
|
| 3665 |
5637 d 13 h |
rimsky |
/branches/sparc/ |
Merged latest trunk changes into the sparc brach. |
|
| 3493 |
5683 d 15 h |
rimsky |
/branches/sparc/ |
More changes making the code US-III-conformant (mainly in mm). |
|
| 3492 |
5686 d 18 h |
rimsky |
/branches/sparc/ |
Changes in trunk merged into the sparc branch. SILO's ramdisk issue solved by the CONFIG_RD_EXTERNAL option. |
|
| 3489 |
5690 d 18 h |
rimsky |
/branches/sparc/ |
More files made conform the US-III specification. (Changes concern mainly TSB.) |
|
| 3343 |
5742 d 20 h |
decky |
/branches/sparc/ |
add sparc branch |
|
| 3071 |
5819 d 21 h |
decky |
/trunk/kernel/ |
reflect changes in generic code
proper formatting directives
coding style |
|
| 2610 |
6019 d 20 h |
jermar |
/trunk/ |
Support for six syscall arguments for sparc64.
There is a minor stability issue which needs to be fixed (kernel panics upon entering kconsole from the
console task). |
|
| 2462 |
6182 d 16 h |
jermar |
/trunk/kernel/ |
Replace gcc-specific __FUNCTION__ with C99 __func__.
suncc's xregs=no%float can be used only on sparc64. |
|
| 2141 |
6253 d 13 h |
jermar |
/trunk/ |
The Ultimate Solution To Illegal Virtual Aliases.
It is better to avoid them completely than to fight them.
Switch the sparc64 port to 16K pages. The TLBs and TSBs
continue to operate with 8K pages only. Page tables and
other generic parts operate with 16K pages.
Because the MMU doesn't support 16K directly, each 16K
page is emulated by a pair of 8K pages. With 16K pages,
illegal aliases cannot be created in 16K D-cache. |
|
| 2134 |
6254 d 17 h |
jermar |
/trunk/kernel/ |
Reworked handling of illegal virtual aliases caused by frame reuse.
We moved the incomplete handling from backend's frame method to
backend's page_fault method. The page_fault method is the one that
can create an illegal alias if it writes the userspace frame using
kernel address with a different page color than the page to which is
this frame mapped in userspace. When we detect this, we do D-cache
shootdown on all processors (!!!).
If we add code that accesses userspace memory from kernel address
space, we will have to check for illegal virtual aliases at all such
places.
I tested this on a 4-way simulated E6500 and a real-world Ultra 5,
which has unfortunatelly only one processor.
This solves ticket #26. |
|
| 2089 |
6311 d 23 h |
decky |
/trunk/ |
huge type system cleanup
remove cyclical type dependencies across multiple header files
many minor coding style fixes |
|
| 2071 |
6322 d 16 h |
jermar |
/trunk/ |
(c) versus (C) |
|
| 2058 |
6349 d 1 h |
jermar |
/trunk/kernel/arch/sparc64/src/ |
Improve comments. |
|
| 2055 |
6350 d 4 h |
jermar |
/trunk/kernel/arch/sparc64/src/ |
sparc64 work:
- No need to lock kernel stack and userspace window buffer into DTLB. |
|