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cinap_lenrek 682414ce0d vmx: fix 9p debug server and make it compatible to /proc
The 9p debug server was broken as it assumed the first
tree file added would have a qid of 0 (it has a qid
of 1 as the root directory is using 0 already).

Instead, just compare File* pointers and get rid of
the table (less code).

When passing 64-bit unsigned addresses as 64-bit signed
file offsets, we have to make sure to not pass negative
offsets (filtered out by kernel and lib9p)!
This is solved by clearing and sign bit in encoding and
63-bit sign extension on decoding.

Make the mem file writable (needed for acid).

The 9p debug server provided a single directory containing
mem and regs files. This patch renames the regs file
(which is in vmx specific text format) to "xregs" and
adds "regs" and "kregs" file which use the same format
as exported by the kernels /proc filesystem.

This allows one to bind the vmx directory over a proc
directory and attach acid to a running system like:

mount -b /srv/vmx /proc/1
acid -k -lkernel 1 /sys/src/9/pc64/9pc64
2021-05-12 18:17:06 +02:00
386 ape: sync flaot.h macros with u.h 2021-02-08 15:45:11 -08:00
68000 add signed fixed size integer typedefs 2018-05-12 19:19:52 +02:00
68020 ape: sync flaot.h macros with u.h 2021-02-08 15:45:11 -08:00
acme win: fix window recreation command 2020-09-16 12:41:24 +02:00
adm/timezone timezones: change DST timezone string for South Australia 2019-11-20 11:49:16 +10:30
amd64 ape: unify math.h copies 2021-01-01 21:40:00 -08:00
arm ape: sync flaot.h macros with u.h 2021-02-08 15:45:11 -08:00
arm64 ape: sync flaot.h macros with u.h 2021-02-08 15:45:11 -08:00
lib vgadb: revert previous commit, the pci device id 8086/1c3a is the embedded controller! 2021-04-21 16:57:13 +02:00
mips ape: sync flaot.h macros with u.h 2021-02-08 15:45:11 -08:00
power ape: sync flaot.h macros with u.h 2021-02-08 15:45:11 -08:00
power64 add signed fixed size integer typedefs 2018-05-12 19:19:52 +02:00
rc iwhois: add some improvements (thanks gall0ws) 2021-05-09 15:19:05 +02:00
sparc ape: sync flaot.h macros with u.h 2021-02-08 15:45:11 -08:00
sparc64 ape: sync flaot.h macros with u.h 2021-02-08 15:45:11 -08:00
spim add signed fixed size integer typedefs 2018-05-12 19:19:52 +02:00
sys vmx: fix 9p debug server and make it compatible to /proc 2021-05-12 18:17:06 +02:00
.hgignore hgignore: ignore section 9 manpage indices, ignore init, kernels and bootloader binaries 2020-03-07 12:28:49 +01:00