Hector Martin
652c7e27a1
proxyutils.py: u.inst -> u.exec and support assembly
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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
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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
d35fa5e0fc
iodev: Add iodev_console_kick()
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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
Hector Martin
5ad0bdf994
sysreg: Fix ESR_ISS_MSR.CRm field bounds
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-04 23:01:55 +09:00
Hector Martin
78895edf2c
hv.py: Properly copy ADT and TrustCache into guest region
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-04 22:57:08 +09:00
Hector Martin
954408cc65
chainload: Support old-school call based chainloading
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This is useful in the middle of the HV exception handler to reboot m1n1
entirely, since we can't do a clean exit the way we would for normal
chainloading.
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-04 22:56:47 +09:00
Hector Martin
826bdb709c
sysreg.py: Correct SPSR definition for AArch64 mode
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-04 20:05:54 +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
Hector Martin
b015dcf272
shell.py: Make usable as a module
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-04 19:35:19 +09:00
Hector Martin
315fcf36aa
uartproxy: Add support for nested invocations
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This allows the proxy to call back to Python for handling exceptions or
other events, passing reason information about why it was invoked and
returning normally when the exception has been handled.
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-04 19:34:08 +09:00
Hector Martin
38b716c33c
hv.py: Do not fail if ADT was already mutated
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-04 19:32:18 +09:00
Hector Martin
23c723003f
sysreg.py: Move sysreg definitions here from proxyutils
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-04 19:31:41 +09:00
Hector Martin
35d564801a
utils.py: Add Register class to handle register fields
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-04 19:26:41 +09:00
Hector Martin
4cc0f45c9d
arm_cpu_regs.h: Add SYS_ESR_EL2
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-04 19:25:46 +09:00
Hector Martin
785dba33ad
exception_asm: Fix missing register restores
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-04 19:24:52 +09:00
Hector Martin
a326aca956
hv: Enable physical timer for EL1 properly
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-04 19:23:35 +09:00
Hector Martin
23304719cd
hv: Move VM code to hv_vm.c
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-04 15:38:17 +09:00
Hector Martin
2df4654555
hv.py: Disable secondary CPUs for now
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-04 01:52:58 +09:00
Hector Martin
95542a4619
kboot: Handle missing CPUs properly
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This is necessary to boot Linux in UP mode if we're in EL1 and the HV
does not support SMP yet.
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-04 01:52:58 +09:00
Hector Martin
948e507031
hv: Update ADT to fix SEPFW address and disable HV USB
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-03 21:30:30 +09:00
Hector Martin
9584e7d312
uartproxy: Add IODEV_WHOAMI feature to get current iodev
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-03 21:19:35 +09:00
Hector Martin
a3e50e8f44
proxy.py: Use the enum module for GUARD_/USAGE_/IODEV_
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-03 21:19:35 +09:00
Hector Martin
ec9221cf32
adt.py: Support serializing back to binary ADT
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This should losslessly round-trip
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-03 21:19:15 +09:00
Hector Martin
7d18e8afb9
hv.py: Add missing file
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-03 21:18:57 +09:00
Hector Martin
1ae60ad715
hv: Beginnings of a hypervisor
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-01 19:21:33 +09:00
Hector Martin
1ff5b82aab
iodev/usb: Do not crash if USB was not initialized
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-01 19:04:38 +09:00
Hector Martin
4547773edf
setup.py: Remove unnecessary imports
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-01 19:04:01 +09:00
Hector Martin
63366e43d2
proxy.py: Fix typo
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-01 19:03:46 +09:00
Hector Martin
5fdeb1c3e3
chainload.py: Remove useless import
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-01 19:03:21 +09:00
Hector Martin
68156fd806
utils.h: Add alignment and field macros
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-01 19:02:49 +09:00
Hector Martin
8b1ea3f04d
proxyutils: Make heap size configurable
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-01 19:02:25 +09:00
Hector Martin
2a1a04ea0d
setup.py: Move baudrate auto setup to proxyutils
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-01 19:02:20 +09:00
Hector Martin
26c4ab3888
formatting: Sort main include first
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clang-format is supposed to do this, but for some reason it's "sticky"
and doesn't...
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-01 18:31:58 +09:00
Hector Martin
45a0054f63
Add build-time printf() argument checking and fix warnings
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-01 18:23:44 +09:00
Hector Martin
7c2dace0b0
chainload.py: Cleanup, move Mach-O loader to macho.py
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-01 15:16:02 +09:00
Hector Martin
a489a646bd
Add tools for ARM sysreg database management
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-01 15:14:35 +09:00
Hector Martin
7bb490eb58
utils.py: New file for misc util functions (non proxy)
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-01 15:13:29 +09:00
Hector Martin
aaf4b2785b
Rename utils.py -> proxyutils.py
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-01 15:13:06 +09:00
Hector Martin
882610b50e
cpu_regs.h: s/SYS_APL/SYS_IMP_APL/ to match Linux
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-04-29 15:45:44 +09:00
Hector Martin
fcd103b2a4
proxy.py: Reopen port on reboot if necessary
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This is needed for USB mode, as the device re-enumerates after a reboot.
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-04-27 19:49:59 +09:00
Hector Martin
80f73926e8
proxy.py: Move M1N1DEVICE/UART port open logic into UartInterface
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-04-27 19:49:59 +09:00
Jean-Francois Bortolotti
82978081f8
chainload.py: Fix el1 support
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Signed-off-by: Jean-Francois Bortolotti <jeff@borto.fr>
2021-04-18 02:29:32 +09:00
Hector Martin
c2e2094b95
usb_dwc3: Add missing space to product name string
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-04-17 19:10:41 +09:00
Hector Martin
f6297437c0
linux.py: Allow specifying a separate TTY device
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This allows e.g. opening a TTY on the UART serial device after
booting the kernel via USB.
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-04-17 18:12:59 +09:00
Hector Martin
7dfe24ee2c
Rework kboot/chainload flow to shut down before calling the next stage
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Next stage boots now exit back to main() after replying to the proxy
command, allowing shutdown functions to be called. Introduces a new
P_VECTOR proxy op, distinct from P_CALL. The Python side is reworked
to remain compatible with older versions that do not support this.
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-04-17 18:12:59 +09:00
Hector Martin
bcece01769
usb: Hook up to iodev and bring up after payload boot attempt
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-04-17 16:47:43 +09:00
Hector Martin
4f7ae843fa
usb_dwc3: Fix read/write transfer pumping, add missing funcs
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-04-17 16:45:19 +09:00
Hector Martin
df9218582e
usb_dwc3: Use new VID/PID
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Not official yet, PR:
https://github.com/pidcodes/pidcodes.github.com/pull/635/files
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-04-17 16:45:19 +09:00
Hector Martin
108f104e96
usb_dwc3: USB compliance improvements
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-04-17 16:45:19 +09:00