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| -rw-r--r-- | docs/about/deprecated.rst | 13 | ||||
| -rw-r--r-- | system/vl.c | 1 |
2 files changed, 14 insertions, 0 deletions
diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index 29de49351d..a4c7d64223 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -68,6 +68,19 @@ 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. + User-mode emulator command line arguments ----------------------------------------- diff --git a/system/vl.c b/system/vl.c index db8e604eba..aa91047c48 100644 --- a/system/vl.c +++ b/system/vl.c @@ -3469,6 +3469,7 @@ void qemu_init(int argc, char **argv) nb_prom_envs++; break; case QEMU_OPTION_old_param: + warn_report("-old-param is deprecated"); old_param = 1; break; case QEMU_OPTION_rtc: |