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Code Issues Releases Activity
3207 commits 42 branches 82 tags 30 MiB
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225 commits

Author SHA1 Message Date
TuxSH
036882f162 thermosphere: oops 2021-02-19 21:52:11 +00:00
TuxSH
b0ae19a6f9 thermosphere: better self-debug fault reporting 2021-02-19 21:52:10 +00:00
TuxSH
0b7efc0501 thermosphere: fix bug in exceptionReturnPreprocess 2021-02-19 21:52:10 +00:00
TuxSH
c67ff366ea thermosphere: forgot compiler barrier in get_sysreg 2021-02-19 21:52:10 +00:00
TuxSH
63e3f40fa5 thermosphere: fix gdb/regs.c assertions 2021-02-19 21:52:09 +00:00
TuxSH
3fe7c7537e thermopshere: GDB_ParseExceptionFrame: fix format error 2021-02-19 21:52:09 +00:00
TuxSH
256201922b thermosphere: fix bug where x0 isn't saved 2021-02-19 21:52:09 +00:00
TuxSH
46c82e2d77 thermosphere: fix thread reporting logic, etc 2021-02-19 21:52:08 +00:00
TuxSH
cb4d898579 thermosphere: fix reporting logic of initial break event 2021-02-19 21:52:08 +00:00
TuxSH
7acd5a9ec7 thermosphere: fix target.xml generation 2021-02-19 21:52:08 +00:00
TuxSH
7f7e4e8310 thermosphere: fix irq buffer overflow 2021-02-19 21:52:07 +00:00
TuxSH
8f25d4f77f thermosphere: add more debugging strings 2021-02-19 21:52:07 +00:00
TuxSH
e1a8bdd495 thermosphere: gdb: fix a few bugs 2021-02-19 21:52:07 +00:00
TuxSH
ef23db21e6 thermosphere: pl011: fix uartSetInterruptStatus 
We don't need to forcefully clear the line level
 2021-02-19 21:52:06 +00:00
TuxSH
46954a5359 thermosphere: actually report the debug events 2021-02-19 21:52:06 +00:00
TuxSH
6499d36722 thermosphere: gdb: fix GDB_SendStopReply 2021-02-19 21:52:06 +00:00
TuxSH
66ba05b302 thermosphere: pause at start, some cleanup, etc. 2021-02-19 21:52:05 +00:00
TuxSH
7a774adbc3 thermosphere: libc: fix missing macro 2021-02-19 21:52:05 +00:00
TuxSH
ce1df0ac23 thermosphere: qemu: make serial go through a socket 2021-02-19 21:52:04 +00:00
TuxSH
fc5d81dca3 thermosphere: oops 2021-02-19 21:52:04 +00:00
TuxSH
23ef4b94d6 thermosphere: reduce usage of nonvolatile memory by around 4KB 2021-02-19 21:52:04 +00:00
TuxSH
e4de512e6f thermosphere: gdb: add debugManagerInit 2021-02-19 21:52:03 +00:00
TuxSH
cf0b052590 thermosphere: gdb: add missing command list entries, fix warnings again 2021-02-19 21:52:03 +00:00
TuxSH
0509fa57ca thermosphere: add src/gdb to build list, fix subsequent warnings and errors 2021-02-19 21:52:03 +00:00
TuxSH
175f16627b thermosphere: fix break/continue (?), fix attach/detach 2021-02-19 21:52:02 +00:00
TuxSH
f0b9162d5e thermosphere: gdb: remove currentThreadId; migrate rx irq 2021-02-19 21:52:02 +00:00
TuxSH
02e2a1efa2 thermosphere: gdb: add core_on and core_off handling 2021-02-19 21:52:01 +00:00
TuxSH
ed5736e8d2 thermosphere: forgot to call exceptionReturnPreprocess in start.s 2021-02-19 21:52:01 +00:00
TuxSH
b0ca29d18e thermosphere: gdb: properly handle vStopped ack sequence 2021-02-19 21:52:01 +00:00
TuxSH
36ca87491d thermosphere: gdb/debug: avoid pause/unpause race condition in vCont + bugfix 2021-02-19 21:52:00 +00:00
TuxSH
9ef2532b9d thermosphere: gdb: fix parsing errors in vCont and hex decode 2021-02-19 21:52:00 +00:00
TuxSH
cbf3b305ca thermosphere: gdb add break & vCont handling 2021-02-19 21:52:00 +00:00
TuxSH
c0252e07f6 thermosphere: GDB_TrySignalDebugEvent, do nothing if not attached 2021-02-19 21:51:59 +00:00
TuxSH
71401b0731 thermosphere: add structural changes needed for range step 2021-02-19 21:51:59 +00:00
TuxSH
ff1aac0ab5 thermosphere: resend debug event if not handled 2021-02-19 21:51:59 +00:00
TuxSH
984f6776c6 thermosphere: impl. debug event dispatching, vStopped, "?" 2021-02-19 21:51:58 +00:00
TuxSH
0e47f7f46b thermosphere: debug manager wip 2021-02-19 21:51:58 +00:00
TuxSH
c00672654a thermosphere: gdb: remove server, rewrite data processing in gdb/context and gdb/net 2021-02-19 21:51:58 +00:00
TuxSH
8538fed043 thermosphere: optimize barrier and core_ctx 2021-02-19 21:51:57 +00:00
TuxSH
1f2b8e7918 thermopshere: add spinlock try lock 2021-02-19 21:51:57 +00:00
TuxSH
30a4a0d4c1 thermosphere: rewrite gdb/reg 2021-02-19 21:51:57 +00:00
TuxSH
97c4595a3a thermosphere: rework fpu register handling 2021-02-19 21:51:56 +00:00
TuxSH
5b545f89f5 thermosphere: introduce "ENSURE" 2021-02-19 21:51:56 +00:00
TuxSH
310048a32c thermosphere: small spinlock improvements 2021-02-19 21:51:56 +00:00
TuxSH
5473443057 thermosphere: refactor gdb/thread 2021-02-19 21:51:55 +00:00
TuxSH
78723164c1 thermosphere: gdb: target xml + various refactoring 2021-02-19 21:51:55 +00:00
TuxSH
58d52675cd thermosphere: rewrite gdb/mem 2021-02-19 21:51:55 +00:00
TuxSH
bd36796d5f thermosphere: gdb/net: reduce stack/memory usage by using memmove 2021-02-19 21:51:54 +00:00
TuxSH
779aeaa538 thermopshere: gdb: rewrite stop point handling 2021-02-19 21:51:54 +00:00
TuxSH
5de05ed8a8 thermosphere: retrieve wp direction 2021-02-19 21:51:54 +00:00
TuxSH
abeaa72f94 thermosphere: some gdb/debug refactor 2021-02-19 21:51:53 +00:00
TuxSH
c89ce085a6 thermopshère: rewrite some gdb/net functions 2021-02-19 21:51:53 +00:00
TuxSH
418cabbd53 thermosphere: add esr_el2 to exception frame 2021-02-19 21:51:53 +00:00
TuxSH
744491ca33 thermosphere: allow each core to pause itself in a lock-free manner & fix bugs 2021-02-19 21:51:52 +00:00
TuxSH
9ebf3c9580 thermosphere: wip gdb 2021-02-19 21:51:52 +00:00
TuxSH
f23fb45956 thermosphere: copy paste lots of gdb luma files (but don't build them yet) 2021-02-19 21:51:51 +00:00
TuxSH
61fec56c6e thermosphere: minor changes 2021-02-19 21:51:51 +00:00
TuxSH
a665f49b93 thermosphere: incl pattern utils 2021-02-19 21:51:51 +00:00
TuxSH
3e8bd764d5 thermosphere: unfuck sw breakpoint logic 2021-02-19 21:51:51 +00:00
TuxSH
c64ccd86ee thermosphere: uninline recursive lock funcs 2021-02-19 21:51:50 +00:00
TuxSH
217c1ad054 thermosphere: implement reading and writing guest memory 2021-02-19 21:51:50 +00:00
TuxSH
0f0228e240 thermosphere: we expose a GICv2, not a GICv1 2021-02-19 21:51:49 +00:00
TuxSH
3ca3e094fe thermosphere: use ish instead of sy in most places 2021-02-19 21:51:49 +00:00
TuxSH
d1cd17a9df thermosphere: fix fmt.c "l" handling 2021-02-19 21:51:49 +00:00
TuxSH
626f0ecb98 thermosphere: major refactor of memory map 
- use recursive stage 1 page table (thanks @fincs for this idea)
- NULL now unmapped
- no identity mapping
- image + GICv2 now mapped at the same address for every platform
- tempbss mapped just after "real" bss, can now steal unused mem from
the latter
- no hardcoded VAs for other MMIO devices
- tegra: remove timers, use the generic timer instead
 2021-02-19 21:51:48 +00:00
TuxSH
92a291cd41 thermosphere: disable interrupts in debugPauseCores 2021-02-19 21:51:48 +00:00
TuxSH
906d6a4f20 thermosphere: rewrite debug pause & fix single step state machine 2021-02-19 21:51:48 +00:00
TuxSH
6b8a843ffb thermosphere: trap set/way dcache access 
note: qemu does not implement the trap
 2021-02-19 21:51:47 +00:00
TuxSH
72d1992eec thermosphere: use barriers and caches *properly*. Cache code refactoring 
- set/way cache ops create losses of coherency, do not broadcast and are only meant to be used on boot, period.

Cache ops by VA are **the only way** to do data cache maintenance.

Fix a bug where the L2 cache was evicted by each core. It shouldn't have.

- Cleaning dcache to PoU and invalidating icache to PoU, by VA is sufficient for self-modifying code

- Since we operate within a single cluster and don't do DMA, we almost always operate within the inner shareability domain

(commit untested on real hw)
 2021-02-19 21:51:47 +00:00
TuxSH
1369697058 thermosphere: add debug pause logic 2021-02-19 21:51:47 +00:00
TuxSH
b6a130547a thermosphere: add common asm macros 2021-02-19 21:51:46 +00:00
TuxSH
067770334e thermosphere: add fpu regs save/restore 2021-02-19 21:51:46 +00:00
TuxSH
a7741c8576 thermosphere: add cctx->userFrame 2021-02-19 21:51:46 +00:00
TuxSH
dd96c8b32b thermosphere: fix ptimer time freezing (again) 2021-02-19 21:51:45 +00:00
TuxSH
68a1ce6dd2 thermosphere: properly implement guest timer stuff 2021-02-19 21:51:45 +00:00
TuxSH
388c245ce4 thermosphere: add TransportInterface abstraction layer 2021-02-19 21:51:45 +00:00
TuxSH
1086c0612c thermosphere: refactor tegra uart code, etc. 2021-02-19 21:51:44 +00:00
TuxSH
8dc9be9f8e thermosphere: pl011 uart refactor 2021-02-19 21:51:44 +00:00
TuxSH
018260645a thermosphere: fix pl101 uart reg definitions 2021-02-19 21:51:44 +00:00
TuxSH
a6d191bf4b thermosphere: add proper memory/instruction barriers for breakpoint stuff 2021-02-19 21:51:43 +00:00
TuxSH
1eb60a2a52 thermosphere: add hypervisor timer code 2021-02-19 21:51:43 +00:00
TuxSH
3d3a9925b9 thermosphere: qemu: get rid of arm tf 
qemu impls psci anyway
 2021-02-19 21:51:42 +00:00
TuxSH
501472324f thermosphere: refactor exception handlers & add stolen time/emulated ptimer logic 2021-02-19 21:51:42 +00:00
TuxSH
b9d07fccd6 thermosphere: rewrite sysreg trapping code, add skeleton code for timer val trap handling; support A32 EL1 once again 2021-02-19 21:51:42 +00:00
TuxSH
d42d9e60b9 thermosphere: don't trap memory register writes/don't migrate sw breakpoints 
Makes no sense on a system with ASLR
 2021-02-19 21:51:41 +00:00
TuxSH
28552da099 thermosphere: vgic: largely reduce the number of mmio accesses 
since we have to use 64 bits for VirqState anyway
 2021-02-19 21:51:41 +00:00
TuxSH
d56185e432 thermosphere: make the pending virq list ordering stable 2021-02-19 21:51:41 +00:00
TuxSH
c42aef6ba7 thermosphere: fix wrong icfgr shift; fix list handling bug 2021-02-19 21:51:40 +00:00
TuxSH
03fe744bc4 thermosphere: vgic: fix OOB accesses, fix icfgr and itargetsr handling 
qemu actually allows SPIs to use the N-N model
 2021-02-19 21:51:40 +00:00
TuxSH
e49a035455 thermosphere: fix is/ic registers usage; fix offset calculation 2021-02-19 21:51:40 +00:00
TuxSH
0811572889 thermosphere: fix truncation in vgicCleanupPendingList 2021-02-19 21:51:39 +00:00
TuxSH
76a5e745e4 thermosphere: honor irq config for ppis 2021-02-19 21:51:39 +00:00
TuxSH
7130b6efd1 thermosphere: yikes 2021-02-19 21:51:39 +00:00
TuxSH
37b14bc4b8 thermosphere: use strict volatile bitfields just in case 2021-02-19 21:51:38 +00:00
TuxSH
13174e7458 thermosphere: vgic: fix critical bug in vgicUpdateState, add more checks 
Yikes.
 2021-02-19 21:51:38 +00:00
TuxSH
ef79908594 thermosphere: add CFI where needed, add PANIC macro, etc. 2021-02-19 21:51:38 +00:00
TuxSH
3a13ab2e46 thermosphere: vgic: mostly fix vSGI handling, remove unimplementable/unused stuff + bugfixes 
Still somewhat broken, though
 2021-02-19 21:51:37 +00:00
TuxSH
676a895cca thermosphere: fix guest access to irq 25, etc; we don't need to raise VI manually 
See Armv8a TRM "Virtual IRQ exception"
 2021-02-19 21:51:37 +00:00
TuxSH
cdf3bc6942 thermosphere: add PPI definitions 2021-02-19 21:51:37 +00:00
TuxSH
fe0662a75d vgic: fix multiple bugs 2021-02-19 21:51:36 +00:00