Hector Martin
a5a974791b
hv: Support handling GL2 exceptions
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-27 21:28:43 +09:00
Hector Martin
81808da562
hv_exc: Set the step timer to 100 cycles
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-25 20:12:20 +09:00
Hector Martin
e92e075fba
hv_exc: Add IPI and guest timer FIQ virtualization
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-25 20:12:20 +09:00
Hector Martin
75f206e65c
hv_exc, hv.py: Add support for interrupting guest with ^C
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-25 20:12:20 +09:00
Hector Martin
2e014f58fa
hv: Implement a periodic hypervisor ptimer and use vtimer for stepping
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-25 20:12:20 +09:00
Hector Martin
1b1653dfe9
hv_vm: Simplify r31 handling, move LR adjustment to hv_exc.c
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-25 20:12:20 +09:00
Hector Martin
afc088840d
hv: Add Python-side MMIO emulation hooks
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-15 23:57:48 +09:00
Hector Martin
ed32cf6328
hv_exc: Add a hacky STEP feature to interrupt guest after a while
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This should eventually be a proper single step feature or something, but
for now...
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-09 03:25:51 +09:00
Hector Martin
9407dba2e0
hv_vm: Initial data abort handling
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Supports software-mapping for a subset of ldr/str instructions.
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-05 04:03:44 +09:00
Hector Martin
8a64441bcd
hv_vm: Extend hv_translate() for stage1 and write modes
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-05 03:27:19 +09:00
Hector Martin
0e987f031b
utils: Add flush_and_reboot() to do the iodev flush dance
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Use this for exceptions, asserts, etc.
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-05 03:21:48 +09:00
Hector Martin
50f112c396
hv: Add support for address translation & abort decoding
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-05 00:28:39 +09:00
Hector Martin
a3440f2b48
hv: Support cleanly exiting the hypervisor from an exception
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-05 00:28:39 +09:00
Hector Martin
4d64c33ca6
hv: Implement basic exception handling
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Allows Python to handle hypervisor exceptions, and implements exception
info display and basic debug commands.
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-04 19:36:23 +09:00
