1346cdc2c4
added XD flag to map_region()
2013-10-21 08:52:11 +02:00
40c183f03e
added Not eXecutable flag for 64bit paging
2013-10-17 21:31:45 +02:00
3e73d6384e
fixed regression
2013-10-17 13:09:20 +02:00
3be25b99d2
reorganized 64bit paging initialization
2013-10-17 11:36:02 +02:00
403c529e8b
fixed copy&paste bug and moved cpu initialization in cpu_init()
2013-10-16 17:50:37 +02:00
Steffen Vogel
9b47b3ef45
refactored paging code to be more universial and suitable for 64bit paging
2013-10-16 17:50:37 +02:00
f361783f4b
Merge branch 'cleanup' into vogel
2013-10-16 17:34:18 +02:00
dac9b20c18
some comments cleaned up
2013-10-16 13:42:58 +02:00
e757ac5c08
Merge branch 'qemu_uart' into vogel
2013-10-10 11:42:27 +02:00
5424397b47
debug kernel messages over virtual uart port in qemu
...
use 'telnet localhost 12346' to listen
2013-10-10 11:39:41 +02:00
Steffen Vogel
3c8de24349
fixed some typos, added comments and some code cleanup
2013-10-10 11:09:36 +02:00
1fc3e40c4e
fixed some typos, added comments and some code cleanup
2013-10-10 11:09:36 +02:00
Stefan Lankes
859c11e399
add RCCE test
2012-09-11 23:50:39 -07:00
Stefan Lankes
941a7006a4
backport of the 32bit code
2012-09-10 15:37:45 +02:00
Stefan Lankes
da30b95e9d
minor optimizations and code cleanups
2012-09-10 05:34:18 -07:00
Stefan Lankes
e1c3ddbc8d
use irqsave page directory lock to avoid deadlocks
2012-09-10 13:41:00 +02:00
Stefan Lankes
4131221b9a
By entering/leaving the kernel, DS and ES registers will be saved/restored.
2012-08-24 20:21:21 +02:00
Stefan Lankes
67d2e0e633
remove obsolete and wrong line
...
- do not use reschedule in an interrupt handler!
2012-08-10 20:16:19 +02:00
Stefan Lankes
e2550fbdb2
avoid deadlock by disabling interrupts in map_region
...
- the page_fault handler uses also map_region and implicitly its spinlock
- risk of a deadlock
2012-08-01 21:12:55 +02:00
Stefan Lankes
8a7463883a
disable IOAPIC's timer and add helper function to determine the version of the IOAPIC
2012-08-01 09:51:20 +02:00
Stefan Lankes
b49f2ef08a
determine all six IO base addresses
2012-08-01 09:50:07 +02:00
Stefan Lankes
3e01fbad68
add a more flexible interface to determine PCI information
...
=> now, we determine also the size of the IO address space
2012-07-26 09:07:20 +02:00
Stefan Lankes
bb467767d0
enable the SMP support on systems with a X2APIC
2012-07-22 22:19:50 +02:00
Stefan Lankes
7f7dd4585f
add the support of ELF64
2012-07-22 20:12:24 +02:00
Stefan Lankes
8b91ff3fff
remove some compiler warnings
2012-07-22 20:10:16 +02:00
Stefan Lankes
84945aee64
add MSR and X2APIC support
2012-07-22 13:16:17 +02:00
Stefan Lankes
e0a112bc2a
remove obsolete check for APIC support
2012-07-22 13:13:46 +02:00
Stefan Lankes
c0a96953b4
only if CONFIG_VGA is defined, VGA will be mapped into the kernel space
2012-07-22 10:56:03 +02:00
Stefan Lankes
cbd5b5be83
disable the cache for VGA
2012-07-22 10:46:07 +02:00
Stefan Lankes
4775e5e11e
use static stacks only for the idle tasks
...
=> all other stacks will be created on demand
2012-07-19 22:07:59 +02:00
Stefan Lankes
ae1216f757
user a read barrier instead of a normal barrier to serialize calls of rdtsc
2012-07-19 08:28:23 +02:00
Stefan Lankes
6462e2b0fd
remove typo
2012-07-19 00:31:08 +02:00
Stefan Lankes
89c792cc03
fix bug in the calculation of esp0
2012-07-19 00:17:31 +02:00
Stefan Lankes
09ec6dcc3a
some code cleanups
...
=> simplify the handling of FPU exceptions
2012-07-18 20:56:23 +02:00
Stefan Lankes
dadc4ce7ed
set task switched flag to support applications, which require FPU support
2012-07-18 20:54:04 +02:00
Stefan Lankes
47fae3de67
some code cleanups
2012-07-17 14:06:48 -07:00
Stefan Lankes
f83f29abb7
add automatic detection of fence instructions
2012-07-17 22:33:29 +02:00
Stefan Lankes
c32a30726a
some code cleanups
2012-07-17 12:44:18 -07:00
Stefan Lankes
6013c2ec4d
add memory barriers to seralize load and store operations
...
=> required to clone a task
2012-07-16 23:05:46 +02:00
Stefan Lankes
9d422ed700
define the function shmalloc to allocate a shared page
...
caution, the function returns the physical address
2012-07-15 05:57:39 -07:00
Stefan Lankes
4ebfbdf63d
Merge branch 'master' into tickless
2012-07-14 13:28:08 -07:00
Stefan Lankes
1c4c51ae50
port esp0-patch to x86_64
2012-07-14 12:15:01 +02:00
Stefan Lankes
3c1b270160
fix bug in the calculation of esp0
2012-07-14 11:16:29 +02:00
Stefan Lankes
6259892c00
initialize the kernel stack only for the boot task
2012-07-14 11:15:18 +02:00
Stefan Lankes
764134bd18
remove bug by searching lapci on a 64bit system
2012-07-10 22:43:02 +02:00
Stefan Lankes
32aee76655
remove obsolete symbols in a single environment
2012-07-10 21:48:23 +02:00
Stefan Lankes
24914fcb4f
add prototype of a tickless kernel
...
only by entering the kernel, the tick counter will be updated
=> by using this feature, MetalSVM supports only LwIP's raw interface,
because we have no guarantee that the tcpip thread will get computation time
=> no NETCONN & BSD socket support
=> no load balancing support
2012-07-03 16:46:54 +02:00
Stefan Lankes
d9f311877c
Merge branch 'x64_new'
2012-06-13 11:24:10 +02:00
Stefan Lankes
be3eed681e
use the correct data type for the CR4 register
2012-06-13 11:23:05 +02:00
Stefan Lankes
ab27285843
disable obsolete 64bit code
2012-06-13 11:22:38 +02:00
