mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
e6895f04c8
qemu/docs/system
History
Richard Henderson ef56c2425e target/arm: Implement FEAT_LPA2 
This feature widens physical addresses (and intermediate physical
addresses for 2-stage translation) from 48 to 52 bits, when using
4k or 16k pages.

This introduces the DS bit to TCR_ELx, which is RES0 unless the
page size is enabled and supports LPA2, resulting in the effective
value of DS for a given table walk.  The DS bit changes the format
of the page table descriptor slightly, moving the PS field out to
TCR so that all pages have the same sharability and repurposing
those bits of the page table descriptor for the highest bits of
the output address.

Do not yet enable FEAT_LPA2; we need extra plumbing to avoid
tickling an old kernel bug.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220301215958.157011-17-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-03-02 19:27:37 +00:00
..
arm target/arm: Implement FEAT_LPA2 2022-03-02 19:27:37 +00:00
devices docs/can: convert to restructuredText 2022-01-20 11:47:52 +00:00
i386 docs: rstfy confidential guest documentation 2022-02-09 09:08:56 +01:00
ppc docs: rstfy confidential guest documentation 2022-02-09 09:08:56 +01:00
riscv docs/system: riscv: Update description of CPU 2022-02-16 12:25:52 +10:00
s390x docs/system/s390x/protvirt.rst: Format literals correctly 2021-08-02 11:42:38 +01:00
authz.rst docs: Drop deprecated 'props' from object-add 2021-11-22 15:02:38 +01:00
barrier.rst docs: Move user-facing barrier docs into system manual 2021-08-02 12:55:51 +01:00
bootindex.rst docs: Move bootindex.txt into system section and rstify 2021-08-02 12:55:51 +01:00
confidential-guest-support.rst docs: rstfy confidential guest documentation 2022-02-09 09:08:56 +01:00
cpu-hotplug.rst docs: Format literals correctly 2021-08-02 11:42:38 +01:00
cpu-models-mips.rst.inc docs/system: Update MIPS CPU documentation 2020-10-17 13:59:40 +02:00
cpu-models-x86-abi.csv docs: add a table showing x86-64 ABI compatibility levels 2021-06-17 14:11:06 -04:00
cpu-models-x86.rst.inc Fix some typos in documentation (found by codespell) 2021-11-22 15:02:38 +01:00
device-emulation.rst docs/can: convert to restructuredText 2022-01-20 11:47:52 +00:00
device-url-syntax.rst.inc docs: Spell QEMU all caps 2021-11-19 10:16:58 +01:00
gdb.rst Fix some typos in documentation (found by codespell) 2021-11-22 15:02:38 +01:00
generic-loader.rst docs: Move licence/copyright from HTML output to rST comments 2021-08-02 11:42:38 +01:00
guest-loader.rst docs: remove non-reference uses of single backticks 2021-11-08 12:27:23 +04:00
images.rst docs: Render binary names as monospaced text 2021-11-22 15:02:38 +01:00
index.rst docs: rstfy confidential guest documentation 2022-02-09 09:08:56 +01:00
invocation.rst docs: Split out sections for the manpage into .rst.inc files 2020-03-06 11:06:55 +00:00
keys.rst docs: Split out sections for the manpage into .rst.inc files 2020-03-06 11:06:55 +00:00
keys.rst.inc docs: Split out sections for the manpage into .rst.inc files 2020-03-06 11:06:55 +00:00
linuxboot.rst docs/system: convert Texinfo documentation to rST 2020-03-06 10:05:12 +00:00
managed-startup.rst docs/system: convert managed startup to rST. 2020-03-06 10:05:12 +00:00
monitor.rst docs: Get rid of the weird _005f links in the man page 2020-11-20 13:19:08 +01:00
multi-process.rst multi-process: fix usage information 2021-09-27 10:57:21 +02:00
mux-chardev.rst docs: Get rid of the weird _005f links in the man page 2020-11-20 13:19:08 +01:00
mux-chardev.rst.inc docs: Split out sections for the manpage into .rst.inc files 2020-03-06 11:06:55 +00:00
pr-manager.rst docs/system/pr-manager.rst: Fix minor docs nits 2020-11-23 11:10:04 +00:00
qemu-block-drivers.rst docs/system: standardize man page sections to --- with overline 2021-09-13 13:56:26 +02:00
qemu-block-drivers.rst.inc block: better document SSH host key fingerprint checking 2022-02-16 14:34:15 +00:00
qemu-cpu-models.rst docs/system: standardize man page sections to --- with overline 2021-09-13 13:56:26 +02:00
qemu-manpage.rst docs/system: standardize man page sections to --- with overline 2021-09-13 13:56:26 +02:00
quickstart.rst docs/system: add a gentle prompt for the complexity to come 2021-03-10 12:13:59 +00:00
secrets.rst docs: document how to pass secret data to QEMU 2021-06-14 13:28:50 +01:00
security.rst docs/system: Convert security.texi to rST format 2020-03-06 10:05:12 +00:00
target-arm.rst docs: Add documentation of Arm 'imx25-pdk' board 2021-08-02 11:42:38 +01:00
target-avr.rst docs: update to show preferred boolean syntax for -chardev 2021-02-25 14:14:33 +01:00
target-i386-desc.rst.inc pcspk: update docs/system/target-i386-desc.rst.inc 2020-07-06 17:01:11 +02:00
target-i386.rst docs: rstfy confidential guest documentation 2022-02-09 09:08:56 +01:00
target-m68k.rst docs: Roll semihosting option information into qemu-options.hx 2020-03-06 10:05:12 +00:00
target-mips.rst docs/system: Update MIPS machine documentation 2021-01-04 23:36:03 +01:00
target-ppc.rst docs/system: ppc: Add documentation for ppce500 machine 2021-05-04 11:41:25 +10:00
target-riscv.rst docs/system: riscv: Add documentation for virt machine 2021-07-15 08:56:00 +10:00
target-rx.rst docs: Document the RX target 2020-06-22 18:37:12 +02:00
target-s390x.rst docs/system/s390x: Add a chapter about s390x boot devices 2020-08-27 12:37:03 +02:00
target-sparc64.rst docs: Roll -prom-env and -g target-specific info into qemu-options.hx 2020-03-06 10:05:18 +00:00
target-sparc.rst docs: Roll -prom-env and -g target-specific info into qemu-options.hx 2020-03-06 10:05:18 +00:00
target-xtensa.rst docs: Roll semihosting option information into qemu-options.hx 2020-03-06 10:05:12 +00:00
targets.rst docs/system: add a gentle prompt for the complexity to come 2021-03-10 12:13:59 +00:00
tls.rst docs: Render binary names as monospaced text 2021-11-22 15:02:38 +01:00
virtio-net-failover.rst docs: Move virtio-net-failover.rst into the system manual 2020-11-23 11:07:41 +00:00
vnc-security.rst docs: recommend SCRAM-SHA-256 SASL mech instead of SHA-1 variant 2021-06-14 13:28:50 +01:00