hw/arm/aspeed: Set default CPU count using aspeed_soc_num_cpus()

[mirror_qemu.git] / meson.build

diff --git a/meson.build b/meson.build
index 38deb9363cabc9b7f5e2454ecdcd385c143e18f6..5ffa8c97166d064816f26b504767773b1c338685 100644 (file)
--- a/meson.build
+++ b/meson.build
@@ -552,6 +552,22 @@ if get_option('cfi')
   add_global_link_arguments(cfi_flags, native: false, language: all_languages)
 endif
 
+# Check further flags that make QEMU more robust against malicious parties
+
+hardening_flags = [
+    # Zero out registers used during a function call
+    # upon its return. This makes it harder to assemble
+    # ROP gadgets into something usable
+    '-fzero-call-used-regs=used-gpr',
+
+    # Initialize all stack variables to zero. This makes
+    # it harder to take advantage of uninitialized stack
+    # data to drive exploits
+    '-ftrivial-auto-var-init=zero',
+]
+
+qemu_common_flags += cc.get_supported_arguments(hardening_flags)
+
 add_global_arguments(qemu_common_flags, native: false, language: all_languages)
 add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
 
@@ -3270,7 +3286,6 @@ if have_system
     'hw/arm',
     'hw/audio',
     'hw/block',
-    'hw/block/dataplane',
     'hw/char',
     'hw/display',
     'hw/dma',