| Rev |
Age |
Author |
Path |
Log message |
Diff |
| 1862 |
6476 d 12 h |
jermar |
/trunk/kernel/ |
sparc64 work.
Kernel syscall support.
Modify the preemptive_handler for the use by syscalls. |
|
| 1861 |
6476 d 16 h |
jermar |
/trunk/kernel/arch/sparc64/ |
Convert sparc64 traps using SIMPLE_HANDLER to using PREEMPTIBLE_HANDLER. |
|
| 1860 |
6477 d 10 h |
jermar |
/trunk/kernel/ |
A lot of untested sparc64 stuff:
- Write ASID to hardware when a thread is about to run in userspace.
- Add userspace() and switch_to_userspace() functions.
- Handle special cases when the userspace spill/fill handler causes MMU trap.
- Resolve some TODOs in the existing sparc64 code.
- sparc64 has now C99 compliant header guards.
- Formatting and indentation fixes. |
|
| 1859 |
6477 d 17 h |
jermar |
/trunk/kernel/arch/sparc64/ |
sparc64 work.
- Convert interrupt_vector trap handler and some mm related trap handlers to
use preemptibe_handler(), which is essential for traps coming from userspace.
- Add fast_data_access_protection() handler. |
|
| 1856 |
6478 d 18 h |
jermar |
/trunk/kernel/ |
sparc64 work.
- Modify before_thread_runs_arch() to store addresses of the kernel stack and
userspace window buffer, resp., to registers %g6 and %g7, resp, in the
alternate and interrupt global sets.
- Modify after_thread_ran_arch() to sample %g7 from the alternate globals.
- Implement trap handler for spilling register windows into userspace window buffer.
- Implement assembly language functions to access %g6 and %g7 registers in the alternate sets.
- Initialize the trap table so that there are now also spill_1_normal, spill_2_normal,
spill_0_other and fill_1_normal handlers. These handlers are used in different situations
and for different purposes. |
|
| 1855 |
6479 d 14 h |
jermar |
/trunk/kernel/ |
sparc64 work.
Fix bug introduced in revision 1852. When fixing CWP,
the input registers of the current window (i.e. output
registers of the window belonging to the interrupted
context) must be preserved. Preserve those registers
in memory. Sure there exist more efficient ways how to
copy the inputs.
Simplify before_thread_runs_arch(), resp. after_thread_ran_arch(),
and make them install, resp. uninstall, DTLB locked mapping for
eventual userspace window buffer. |
|
| 1854 |
6479 d 18 h |
jermar |
/trunk/kernel/ |
Define architecture-specific thread sub-constructors and sub-destructors on all architectures.
Define the THREAD_FLAG_USPACE which means that the thread runs in user space.
The forementioned changes allow for allocating of user window buffer on sparc64
threads that execute in userspace.
A lot of formatting and indentation fixes. |
|
| 1852 |
6482 d 11 h |
jermar |
/trunk/kernel/ |
sparc64 work.
Bunch of changes in preparation for sparc64 mm and userspace support.
Fix alignment of hardcoded_* variables in linker script. |
|
| 1851 |
6487 d 16 h |
jermar |
/trunk/kernel/ |
sparc64 work.
Define the istate structure.
Move the identity-mapping handler to assembly.
Make the preemptible handler more general so that TL=1 MMU exceptions can make use of it.
Little bit of formatting and indentation. |
|
| 1849 |
6491 d 18 h |
jermar |
/trunk/kernel/ |
sparc64 work.
interrupt_vector trap experimental handling.
Minimal reverse-engineered FireHose Controller driver (documentation needed!).
Keyboard on Sun Enterprise is now interrupt driven. Keyboard on Sun Ultra
is still polled. |
|
| 1823 |
6507 d 13 h |
jermar |
/trunk/kernel/arch/sparc64/ |
sparc64 work.
Dump take_over_tlb_and_tt() and add its assembly language replacement. |
|
| 1792 |
6526 d 7 h |
jermar |
/trunk/ |
Move functionality of tlb_arch_init() to take_over_tlb_and_tt().
Call take_over_tlb_and_tt() very early after the kernel starts
executing. |
|
| 1787 |
6528 d 11 h |
decky |
/ |
move kernel/trunk, uspace/trunk and boot/trunk to trunk/kernel, trunk/uspace and trunk/boot |
|
| 1784 |
6529 d 8 h |
jermar |
/kernel/trunk/ |
Sync OpenFirmware functionality with boot.
Random cleanup. |
|
| 1780 |
6535 d 12 h |
jermar |
/kernel/trunk/ |
Replace old __u?? types with respective C99 variants (e.g. uint32_t, int64_t, uintptr_t etc.). |
|
| 1703 |
6555 d 21 h |
jermar |
/kernel/trunk/arch/ |
Put sparc64 interrupt stuff under the Interrupt group in Doxygen-generated documentation. |
|
| 1702 |
6556 d 15 h |
cejka |
/kernel/trunk/ |
Kernel doxygen comments updated. |
|
| 897 |
6662 d 5 h |
jermar |
/kernel/trunk/ |
sparc64 work.
Fix KBD_VIRT_ADDRESS.
Call before_thread_runs() prior to the switch to the thread's stack. Add comment why this is crucial.
Add after_thread_ran() to the scheduler.
Add before_thread_runs_arch() and after_thread_ran_arch() for sparc64, mapping/demapping thread's kernel stack.
Add dummy after_thread_ran_arch() to all other architectures.
Add dtlb_insert_mapping() to promote code reuse. |
|
| 883 |
6663 d 17 h |
jermar |
/kernel/trunk/arch/sparc64/ |
sparc64 work.
Switch console to framebuffer (needs proper detection and initialization).
No native keyboard support, so far.
Memory management trap handler fixes.
Do not use OpenFirmware trap table anymore. |
|
| 867 |
6667 d 14 h |
jermar |
/kernel/trunk/ |
Move OFW functionality of ppc32 memory_init to genarch so that the code can also be used by sparc64.
sparc64 is now close to broken as it lacks functionality to provide identity mapping for the whole phyisical memory. |
|