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Code Issues Releases Activity
3175 commits 42 branches 82 tags 30 MiB
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193 commits

Author SHA1 Message Date
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
TuxSH
f3ad62d1b8 thermosphere: fix various vgic bugs; fix register access OOB bug (xzr) 2021-02-19 21:51:36 +00:00
TuxSH
27859a7541 thermosphere: vgic: fix enabled state of virqs 2021-02-19 21:51:36 +00:00
TuxSH
e3b6d64f1b thermosphere: fix multiple bugs 2021-02-19 21:51:35 +00:00
TuxSH
c17b81aaf6 thermosphere: vgic code draft 2021-02-19 21:51:35 +00:00
TuxSH
176be2386d thermosphere: also trap GICH (to deny access) 2021-02-19 21:51:35 +00:00
TuxSH
f9ec21e99e thermosphere: handle stage2 data aborts, trap gicd accesses 2021-02-19 21:51:34 +00:00
TuxSH
1775d59977 thermosphere: implement stop point broadcast 2021-02-19 21:51:34 +00:00
TuxSH
b2c5ef2611 thermopshere: add "execute function" sgi 2021-02-19 21:51:34 +00:00
TuxSH
0b69407f8e thermosphere: barrier & active core mask 2021-02-19 21:51:33 +00:00
TuxSH
0a9a8c2f15 thermosphere: handle physical IRQs 2021-02-19 21:51:33 +00:00
TuxSH
271d2a0ddb thermosphere: add gicv2 register definitions 2021-02-19 21:51:33 +00:00
TuxSH
6289d2e398 thermosphere: sw breakpoint code, etc. 2021-02-19 21:51:32 +00:00
TuxSH
f8266775f6 thermosphere: remove breakpoint/watchpoint reg dump functions 2021-02-19 21:51:32 +00:00
TuxSH
83c6e2f0e7 thermosphere: add watchpoint + watchpoint merging code 2021-02-19 21:51:31 +00:00
TuxSH
9bc0ed2f70 thermosphere: refactor crt0 + watchpoint init 2021-02-19 21:51:31 +00:00
TuxSH
dc3f87a715 thermosphere: add actual breakpoint code 2021-02-19 21:51:31 +00:00
TuxSH
3649b94b5d thermosphere: add breakpoint/watchpoint enable/reset code 2021-02-19 21:51:30 +00:00
TuxSH
a3da478089 thermopshere: refactor & fix single-stepping code 2021-02-19 21:51:30 +00:00
TuxSH
ff9714d4f6 thermopshere: refactor jump-to-kernel ,add single-step code 
not working under qemu yet though
 2021-02-19 21:51:30 +00:00
TuxSH
cc232ef4f8 thermosphere: add spinlock code 2021-02-19 21:51:29 +00:00
TuxSH
b742b861ab thermometer: yeet most a32 support code 👌 2021-02-19 21:51:29 +00:00
TuxSH
eb27c36709 thermosphere: impl stage2 translation 2021-02-19 21:51:29 +00:00
TuxSH
e0339049b3 thermosphere: rework linkscrips, use discardable sections, better sp pivot on crash 2021-02-19 21:51:28 +00:00
TuxSH
e6c5eb3928 thermosphere: add shadow page table hooks 
note: HCR.TVM not supported by qemu yet
 2021-02-19 21:51:28 +00:00
TuxSH
045f556f80 thermosphere: enable EL2 stage1 translation (doesn't take much space) 
Identity map using 1GB L1 blocks
 2021-02-19 21:51:27 +00:00
TuxSH
a11b0b6e0e thermosphere: fix x18 init, etc. 2021-02-19 21:51:27 +00:00
TuxSH
3fa9133814 thermosphere: add semihosting support & load a kernel using it when needed 
basically host i/o
 2021-02-19 21:51:27 +00:00
TuxSH
ecb4857cbb thermosphere: seriaLog => debugLog, add DEBUG macro 2021-02-19 21:51:26 +00:00
TuxSH
6d33ebceef thermosphere: cpu_on hook & skeleton for other PSCI functions 2021-02-19 21:51:26 +00:00
TuxSH
4a5d05f32b thermosphere: add smc trap handler 2021-02-19 21:51:26 +00:00
TuxSH
b686af2008 thermosphere: use adrp 2021-02-19 21:51:25 +00:00
TuxSH
a291bddcc1 thermosphere: enable traps, works around qemu brk bug 2021-02-19 21:51:25 +00:00