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Author SHA1 Message Date
Hector Martin
90872f460e macho.py: Support loading and importing symbol files 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-12 21:18:12 +09:00
Hector Martin
db9acba268 utils.py: Register: Initialize to 0 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-12 21:17:38 +09:00
Hector Martin
51bafa3c3f proxyutils.py: Fix silent arg for mrs/msr 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-12 21:17:09 +09:00
Hector Martin
ec5388d6b5 chainload.py: Support SMP when loading XNU 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-12 21:16:33 +09:00
Hector Martin
4e545d0513 adt.py: Improve parsing of reg/ranges & add resolver 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-12 21:16:15 +09:00
Sven Peter
e58c264a07 gxf: add SPRR/GXF proxyclient experiments 
Signed-off-by: Sven Peter <sven@svenpeter.dev>
 2021-05-11 15:48:40 +09:00
Sven Peter
34123e33d8 proxyutils: added GuardedHeap 
Signed-off-by: Sven Peter <sven@svenpeter.dev>
 2021-05-11 15:48:40 +09:00
Sven Peter
1c604a77c5 gxf: add support for guarded exception levels 
Signed-off-by: Sven Peter <sven@svenpeter.dev>
 2021-05-11 15:48:40 +09:00
Sven Peter
2c5b202c99 sysreg: add support for Apple's custom sysregs 
Signed-off-by: Sven Peter <sven@svenpeter.dev>
 2021-05-11 15:48:40 +09:00
Sven Peter
9120cb8426 memory: allow to reinit and temporarily disable the MMU 
Signed-off-by: Sven Peter <sven@svenpeter.dev>
 2021-05-11 15:48:40 +09:00
Sven Peter
b00c5e6522 utils.h: add msr_sync convenience macros 
Signed-off-by: Sven Peter <sven@svenpeter.dev>
 2021-05-11 15:48:40 +09:00
Sven Peter
36efdd2ac3 allow cpu_regs.h to be included in .S files 
Signed-off-by: Sven Peter <sven@svenpeter.dev>
 2021-05-11 15:48:40 +09:00
Sven Peter
813e40f4ca exception_asm.S: skip msr hcr_el2 if not required 
When guarded exception levels are enabled hcr_el2 can no longer be written to from EL2.
A future commit will however use el1_call to jump to GL1. It will setup hcr_el2 before
enabling GXF such that the write doesn't have to happen in el1_call anymore

Signed-off-by: Sven Peter <sven@svenpeter.dev>
 2021-05-11 15:48:40 +09:00
Sven Peter
148fe31122 exception_asm.S: correctly setup sp for EL1 
The previous code switched SPSel to EL0 but then used eret to
jump to EL1h which uses SP_EL1 instead

Signed-off-by: Sven Peter <sven@svenpeter.dev>
 2021-05-11 15:48:40 +09:00
Hector Martin
9a7a5c86a5 hv.py: Map only from guest base to RAM top to guest 
This keeps the hypervisor safe, in theory.

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-09 03:25:51 +09:00
Hector Martin
a6287ae68d proxy.py: Add defaults to hv_translate flag args 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-09 03:25:51 +09:00
Hector Martin
19415bd6a5 run_guest.py: Support setting boot_args 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-09 03:25:51 +09:00
Hector Martin
3fecf181f9 proxyutils.py: Only decode abort/msr info for SYNC exceptions 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-09 03:25:51 +09:00
Hector Martin
9bfe278f52 proxyutils.py: Add disassemble_at() method 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-09 03:25:51 +09:00
Hector Martin
e3d7e569dc sysreg.py: Define an impdef EC code that Apple seems to use 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-09 03:25:51 +09:00
Hector Martin
6ad3b263a1 macho.py: Add support for loaded section hooks for patching 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-09 03:25:51 +09:00
Hector Martin
ed32cf6328 hv_exc: Add a hacky STEP feature to interrupt guest after a while 
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
bcdafe8d00 hv_vm: Short-circuit hv_translate when MMU is off 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-09 03:25:51 +09:00
Hector Martin
8d5596a1a1 hv_vm: Fix bug when making L2 mappings 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-09 03:25:51 +09:00
Hector Martin
52823eaab6 hv_asm: Turn off PAN on exception entry 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-09 03:25:51 +09:00
Hector Martin
4c043a0f97 memory: Move SCTLR/TCR defines to arm_cpu_regs.h 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-09 03:25:51 +09:00
Hector Martin
aadf54d86f proxy.py: Add missing FB defines 
Also fix some calls

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-09 03:25:51 +09:00
Hector Martin
f58a9774d2 hv.py: Shut down fb before entering guest 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-08 03:43:59 +09:00
Hector Martin
0203aa6d3d proxy: Add framebuffer ops 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-08 03:42:21 +09:00
Hector Martin
8a8a004d48 hv.py: Correctly declare BootArgs in ADT memory map 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-08 02:40:57 +09:00
Hector Martin
530069bbfa proxyutils.py: Switch to gzip compression for writemem_compressed 
lzma is too slow, not worth the gain now that we have USB.

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-08 02:40:13 +09:00
Hector Martin
36a6c9de3e proxy.py: Correctly indicate USB reconnection timeout 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-08 02:39:56 +09:00
Hector Martin
adb91b4374 chainload.py: Add support for setting boot-args 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-08 02:39:32 +09:00
Hector Martin
aad892d461 fb: Implement fb_shutdown() & friends 
Clean up after ourselves before chainload

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-07 12:19:20 +09:00
Hector Martin
c6965acc75 adt.py: Fix typo 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-06 23:36:29 +09:00
Hector Martin
f1cc65f6c0 chainload.py: Set up SEPFW address in ADT 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-06 03:33:35 +09:00
Hector Martin
bbbea9db34 proxyutils: Disable serial timeout for writemem_compressed 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-06 03:32:39 +09:00
Hector Martin
0ae3455d51 hv_vuart: World's stupidest virtual UART implementation 
Work in progress...

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-05 04:03:44 +09:00
Hector Martin
9407dba2e0 hv_vm: Initial data abort handling 
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 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-05 03:27:19 +09:00
Hector Martin
c0c7c57dd0 hv_vm: Fix bug inhv_pt_map_l4() 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-05 03:24:37 +09:00
Hector Martin
ce3a673413 uart: Move registers to uart_regs.h 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-05 03:23:25 +09:00
Hector Martin
27af846aae hv_vm.c: Move SPTE_TYPE to bit 50 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-05 03:23:04 +09:00
Hector Martin
0e987f031b utils: Add flush_and_reboot() to do the iodev flush dance 
Use this for exceptions, asserts, etc.

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-05 03:21:48 +09:00
Hector Martin
76b690e767 hv.py: Make ^D exit the hypervisor, not cont 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-05 00:46:53 +09:00
Hector Martin
4b3f527de9 proxyutils: Disassemble faulting code on exceptions 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-05 00:46:48 +09:00
Hector Martin
652c7e27a1 proxyutils.py: u.inst -> u.exec and support assembly 
Also refactor mrs/msr in terms of u.exec.

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-05 00:28:39 +09:00
Hector Martin
50f112c396 hv: Add support for address translation & abort decoding 
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 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-05 00:28:39 +09:00
Hector Martin
d35fa5e0fc iodev: Add iodev_console_kick() 
This is used prior to rebooting in exception handlers, to make sure all
the exception dump data gets sent to USB if we are connected via that.

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-05-05 00:28:39 +09:00