tcg: add "-accel tcg,tb-size" and deprecate "-tb-size"

-tb-size fits nicely in the new framework for accelerator-specific options.  It
is a very niche option, so insta-deprecate it.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/qemu-options.hx b/qemu-options.hx
index c63e794b64..ee1f676586 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -118,8 +118,9 @@ Select CPU model (@code{-cpu help} for list and additional feature selection)
 ETEXI
 
 DEF("accel", HAS_ARG, QEMU_OPTION_accel,
-    "-accel [accel=]accelerator[,thread=single|multi]\n"
+    "-accel [accel=]accelerator[,prop[=value][,...]]\n"
     "                select accelerator (kvm, xen, hax, hvf, whpx or tcg; use 'help' for a list)\n"
+    "                tb-size=n (TCG translation block cache size)\n"
     "                thread=single|multi (enable multi-threaded TCG)\n", QEMU_ARCH_ALL)
 STEXI
 @item -accel @var{name}[,prop=@var{value}[,...]]
@@ -129,6 +130,8 @@ kvm, xen, hax, hvf, whpx or tcg can be available. By default, tcg is used. If th
 more than one accelerator specified, the next one is used if the previous one
 fails to initialize.
 @table @option
+@item tb-size=@var{n}
+Controls the size (in MiB) of the TCG translation block cache.
 @item thread=single|multi
 Controls number of TCG threads. When the TCG is multi-threaded there will be one
 thread per vCPU therefor taking advantage of additional host cores. The default
@@ -3923,7 +3926,8 @@ DEF("tb-size", HAS_ARG, QEMU_OPTION_tb_size, \
 STEXI
 @item -tb-size @var{n}
 @findex -tb-size
-Set TB size.
+Set TCG translation block cache size.  Deprecated, use @samp{-accel tcg,tb-size=@var{n}}
+instead.
 ETEXI
 
 DEF("incoming", HAS_ARG, QEMU_OPTION_incoming, \