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Author SHA1 Message Date
Stefan Lankes
94499b33b8 simplify spinlock code to improve the readability 2018-04-28 15:24:44 +02:00
Stefan Lankes
411a99c27f remove irq save locks to avoid deadlocks 2018-04-28 15:22:45 +02:00
Stefan Lankes
7009fd5370 remove obsolete code 2018-04-28 15:21:44 +02:00
Stefan Lankes
c5ecc2beec only the multi-kernel version supports the kernel message buffer 
=> remove dumping messages for the single-kernel version
 2018-04-28 10:21:53 +02:00
Stefan Lankes
f11c948347 use UART device to print kernel messages 
- HermitCore's message buffer isn't longer supported by uhyve
 2018-04-28 10:13:06 +02:00
Stefan Lankes
15b5495f31 fix incompatibility issues to KVM API on a x86_64 processors 2018-04-24 22:14:41 +02:00
Stefan Lankes
7a6b06cb91 Merge branch 'devel' of github.com:RWTH-OS/HermitCore into devel 2018-04-24 21:53:41 +02:00
Stefan Lankes
a7707f46e3 initialize irq controller after all vcpu 
- this is required to support aarch64
 2018-04-24 19:48:55 +00:00
Stefan Lankes
80d5a008fc Merge branch 'devel' of github.com:RWTH-OS/HermitCore into devel 2018-04-22 23:01:12 +02:00
Stefan Lankes
492cde7275 determine default architecture via uname 2018-04-22 16:47:28 +00:00
Stefan Lankes
288647de06 initialize seed for the generation of random numbers in sys_init 2018-04-21 07:23:57 +02:00
Stefan Lankes
2988496ef9 add some additional debug messages 2018-04-17 16:26:53 +02:00
Stefan Lankes
6028d05a41 wakeup remote core, if idle task is running on the remote core 
=> avoid race by checking the status of the running task
 2018-04-17 15:50:44 +02:00
Stefan Lankes
9d9e4d5395 by setting ecx to 0, mwait handles the IRQ and not just wait from it 2018-04-17 13:49:52 +02:00
Stefan Lankes
4d694dcc68 avoid race between checking workqueues and calling halt 
between checking the workqueues and the calling halt instruction, a
process and the corresponding interrupt is able arrive and lost
 2018-04-17 12:00:12 +02:00
Stefan Lankes
c6867fd1cb remove aeoi, it isn't required for a synchronous interrupt 2018-04-17 11:30:12 +02:00
Simon Pickartz
4e0bb8ae0e fix generation of the checkpoint config file (#85) 2018-03-29 22:50:53 +01:00
Stefan Lankes
34e7895d0a
aarch64 support (#84) 
- add initial support for aarch64
- SMP support is currently missing
- uhyve and kernel are tested on Libre AML-S905X-CC (https://libre.computer/products/boards/aml-s905x-cc/)
- only GICv2 support is integrated
 2018-03-23 04:04:44 -04:00
Stefan Lankes
34e8b63191
remove obsolete self-references 2018-03-20 07:33:56 -04:00
Stefan Lankes
9a28225424 add memory pool with the same host and guest virtual address 2018-01-16 09:33:01 +01:00
Stefan Lankes
e40ef3a3c3 check ARAT feature, reduce the time to calibrate APIC timer 2018-01-01 22:24:53 +01:00
Stefan Lankes
eea45d721a create GDT on demand to remove dependency on MAX_CORES 2017-12-31 11:20:14 +01:00
Stefan Lankes
0edbf56fd9 add option to reset fs & gs registers 2017-12-31 11:15:21 +01:00
Stefan Lankes
ae9855d7dd print log messages if uhyve receives KVM_EXIT_SHUTDOWN 2017-12-31 11:13:48 +01:00
Stefan Lankes
c94f6830f6 clear cr2 after handling the page fault 2017-12-31 11:12:46 +01:00
Stefan Lankes
c1d0094162 enable cache for the communication between guest and host 2017-12-15 23:11:51 +01:00
Stefan Lankes
cf758712d4 disable ACPI support 2017-12-15 23:09:48 +01:00
Stefan Lankes
b3af314559 remove the dependencies on an array of boot stacks 
- share one stack for all core during the boot process
- reduce the size of the BSS section
 2017-11-26 12:48:00 +01:00
Stefan Lankes
8f3138cfaa enable the support of SO_REUSEADDR 2017-11-24 00:12:00 +01:00
Stefan Lankes
7a4e1ad7fd define packet size in test script 2017-11-22 15:34:21 +01:00
Stefan Lankes
54bb7a84d9 reduce the number of interrupts in the network driver 2017-11-22 00:47:29 +01:00
Stefan Lankes
5edefa8a89 use 2 CPUs for the netio benchmark 2017-11-21 23:39:38 +01:00
Stefan Lankes
054e5b4dd7 fix file permissions 2017-11-21 23:16:45 +01:00
Stefan Lankes
65e4e4c9aa fix server address 2017-11-21 23:02:05 +01:00
Stefan Lankes
dc5fecda4e add netio test 2017-11-21 22:56:48 +01:00
Stefan Lankes
fb0595fa30 prepare netio test, download and check binary 2017-11-21 22:40:03 +01:00
Stefan Lankes
0966078138 remove debug message 2017-11-21 22:13:51 +01:00
Stefan Lankes
dbbca6037c increase version number 2017-11-21 22:05:17 +01:00
Stefan Lankes
8b170bb527 enable interrupts during busy waiting 2017-11-17 19:23:54 +01:00
Stefan Lankes
fe330cf103 add argv_envp to list of CI tests 2017-11-10 22:23:01 +01:00
Stefan Lankes
8653afbd07 avoid using KVM_TRANSLATE in a loop 
- determine within HermitCore the guest physical address
=> simplifies the translation from guest virtual to host virtual address
=> reduce the number of syscalls (KVM_TRANSLATE)
 2017-11-10 22:17:45 +01:00
Pierre Olivier
0b828dfe85 Fix cap for argc / envc + display an error if these values go above that 
cap
 2017-11-07 20:17:44 -05:00
Pierre Olivier
cfd208d266 Support for forwarding command line parameters and environment variables 
to uhyve
 2017-11-07 19:51:57 -05:00
Stefan Lankes
3ee4a48728 Merge branch 'devel' 2017-11-07 08:49:42 +01:00
Stefan Lankes
2303d25ff7 increase version number 2017-11-07 08:38:16 +01:00
Stefan Lankes
18e0f3034b determine frequency from cpu brand, revise code 
=> move all helper functions to utils.c
 2017-11-07 08:14:43 +01:00
Stefan Lankes
e8d202e68a remove typo in cpuid check 2017-11-07 08:04:35 +01:00
Stefan Lankes
794f4ac3d3 enable MSR for string operations already in uhyve 2017-11-06 21:38:33 +01:00
Stefan Lankes
ed75d01517 add definition of MSR_IA32_MISC_ENABLE_FAST_STRING 2017-11-05 23:16:32 +01:00
Stefan Lankes
3c45b79acb enable fast string operations 2017-11-05 22:08:11 +01:00