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211 commits

Author SHA1 Message Date
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
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
TuxSH
ad6db14526 thermosphere: Fix wrong register allocation 2021-02-19 21:51:25 +00:00
TuxSH
61b6f06766 thermosphere: unfuck qemu JIT, fix exc. handling bug, add cache funcs 2021-02-19 21:51:24 +00:00
TuxSH
16cfa1305d thermosphere: use x18 but qemu shits the bed 2021-02-19 21:51:24 +00:00
TuxSH
af8e0f2519 thermosphere: add core_ctx.c/h 2021-02-19 21:51:24 +00:00
TuxSH
a560de8465 fml coke spilled all over this laptop's keyboard 2021-02-19 21:51:23 +00:00
TuxSH
3009438e54 thermosphere: sysreg stuff, continued 2021-02-19 21:51:23 +00:00
TuxSH
9af9408feb thermosphere: add remaining sysreg passthrough stuff 2021-02-19 21:51:23 +00:00
TuxSH
68469ea862 thermosphere: more sysreg code 2021-02-19 21:51:22 +00:00
TuxSH
ffa216c8c7 thermosphere: add some basic sysreg trapping code 2021-02-19 21:51:22 +00:00
TuxSH
1db0502b35 thermosphere: proper uart_reset impl for uart-b 2021-02-19 21:51:22 +00:00
TuxSH
6665245640 thermosphere: fix uart fifo init/flushing 2021-02-19 21:51:21 +00:00
TuxSH
9d6089dc86 thermosphere: rebase, fix some bugs 
uart now works except for fifo flush
 2021-02-19 21:51:21 +00:00
TuxSH
70a9caa7e9 thermosphere: add more sysreg stuff & start writing trap stuff 2021-02-19 21:51:21 +00:00
TuxSH
4952b3c9bf thermosphere: add sysreg list 2021-02-19 21:51:20 +00:00
TuxSH
bcc72896fd thermosphere: add hypercall support... even if unused 2021-02-19 21:51:20 +00:00
TuxSH
b5c6b06dad thermosphere: add ExceptionSyndromeRegister definition 2021-02-19 21:51:20 +00:00
TuxSH
4e0eef2784 thermosphere: start exception handling 2021-02-19 21:51:19 +00:00
TuxSH
ada6b180cc thermosphere: add qemu support 2021-02-19 21:51:19 +00:00
TuxSH
e6adccce6e thermosphere: uart fixes/ still not working 2021-02-19 21:51:19 +00:00
TuxSH
f6e1cff5f8 thermosphere: rebase, doesn't work 2021-02-19 21:51:18 +00:00
TuxSH
88382f4fc3 thermosphere: uart refactor, now it doesn't work at all 2021-02-19 21:51:18 +00:00
TuxSH
66b047255b thermosphere: set correct gpio config for uart (thanks @hexkyz) 2021-02-19 21:51:18 +00:00
TuxSH
076c988796 thermosphere: attempt to output to uart-c 2021-02-19 21:51:17 +00:00
TuxSH
4e6108839d thermosphere: fix bugs: 
- missing barriers after setting elr/spsr
- .text.start* matching .text.startup (which contains main, thanks @fincs)
 2021-02-19 21:51:17 +00:00
TuxSH
1d58ba8d52 thermosphere: attempt to run 2021-02-19 21:51:17 +00:00
TuxSH
bd9152215f thermosphere: "write" placeholder code 2021-02-19 21:51:16 +00:00
TuxSH
1f7a1f71d6 thermosphere: remove legacy code 2021-02-19 21:51:16 +00:00
SciresM
3a1ccdd919
Switch atmosphere's build target to C++20. (#952) 
* ams: update to build with gcc10/c++20

* remove mno-outline-atomics

* ams: take care of most TODO C++20s

* fusee/sept: update for gcc10

* whoosh, your code now uses pre-compiled headers

* make: dependency fixes
 2020-05-11 15:02:10 -07:00
Michael Scire
6ecf04c3b7 find -exec sed -i'' -e 's/2018-2019 Atmo/2018-2020 Atmo/g' {} + 2020-01-24 02:10:40 -08:00
hexkyz
d09be18359 Fix argument type for isalnum and toupper 2019-07-02 17:22:28 +01:00
hexkyz
09ab3efddd Fix argument type for isspace 2019-07-01 20:29:43 +01:00
hexkyz
e561919a52 Fix logic in ldr_ro_manager 
Fix argument type for isdigit/isxdigit
 2019-06-30 18:48:16 +01:00
2g4y1
3cb60b324b More 2019 Copyrights (#503) 2019-04-08 12:47:01 +02:00
Michael Scire
03e176d7f1 atmosphere: current year is 2019 2019-04-07 19:00:49 -07:00
Pika
c7730d31ff
fix thermo typo 2018-09-29 18:48:06 -04:00
hexkyz
28e4d4411d Add and fix copyright notices for better GPL compliance (thanks @naehrwert and @CTCaer). 2018-09-07 16:00:13 +01:00
TuxSH
8bf4cd1908 Fix string truncation warning in thermosphere 2018-05-15 01:25:12 +02:00
Kate J. Temkin
d104ff61ca thermosphere: add in basic hypervisor skeleton 2018-04-20 04:10:44 -06:00