diff options
Diffstat (limited to 'docs/about/deprecated.rst')
| -rw-r--r-- | docs/about/deprecated.rst | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index 2fa2c47b68..aa300bbd50 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -68,19 +68,6 @@ configurations (e.g. -smp drawers=1,books=1,clusters=1 for x86 PC machine) is marked deprecated since 9.0, users have to ensure that all the topology members described with -smp are supported by the target machine. -``-old-param`` option for booting Arm kernels via param_struct (since 10.0) -''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' - -The ``-old-param`` command line option is specific to Arm targets: -it is used when directly booting a guest kernel to pass it the -command line and other information via the old ``param_struct`` ABI, -rather than the newer ATAGS or DTB mechanisms. This option was only -ever needed to support ancient kernels on some old board types -like the ``akita`` or ``terrier``; it has been deprecated in the -kernel since 2001. None of the board types QEMU supports need -``param_struct`` support, so this option has been deprecated and will -be removed in a future QEMU version. - QEMU Machine Protocol (QMP) commands ------------------------------------ @@ -236,27 +223,6 @@ Keeping 32-bit host support alive is a substantial burden for the QEMU project. Thus QEMU will in future drop the support for all 32-bit host systems. -linux-user mode CPUs --------------------- - -iwMMXt emulation and the ``pxa`` CPUs (since 10.0) -'''''''''''''''''''''''''''''''''''''''''''''''''' - -The ``pxa`` CPU family (``pxa250``, ``pxa255``, ``pxa260``, -``pxa261``, ``pxa262``, ``pxa270-a0``, ``pxa270-a1``, ``pxa270``, -``pxa270-b0``, ``pxa270-b1``, ``pxa270-c0``, ``pxa270-c5``) are no -longer used in system emulation, because all the machine types which -used these CPUs were removed in the QEMU 9.2 release. These CPUs can -now only be used in linux-user mode, and to do that you would have to -explicitly select one of these CPUs with the ``-cpu`` command line -option or the ``QEMU_CPU`` environment variable. - -We don't believe that anybody is using the iwMMXt emulation, and we do -not have any tests to validate it or any real hardware or similar -known-good implementation to test against. GCC is in the process of -dropping their support for iwMMXt codegen. These CPU types are -therefore deprecated in QEMU, and will be removed in a future release. - System emulator CPUs -------------------- |