summaryrefslogtreecommitdiffstats
path: root/target/arm/cpu.h
diff options
context:
space:
mode:
authorPhilippe Mathieu-Daudé2019-07-04 18:14:43 +0200
committerPeter Maydell2019-07-04 18:14:43 +0200
commit91f78c58da9ba78c8ed00f5d822b701765be8499 (patch)
tree20d51e99146ef79f6e977fd01eb4a69eb01bff12 /target/arm/cpu.h
parenttarget/arm: Move debug routines to debug_helper.c (diff)
downloadqemu-91f78c58da9ba78c8ed00f5d822b701765be8499.tar.gz
qemu-91f78c58da9ba78c8ed00f5d822b701765be8499.tar.xz
qemu-91f78c58da9ba78c8ed00f5d822b701765be8499.zip
target/arm: Restrict semi-hosting to TCG
Per Peter Maydell: Semihosting hooks either SVC or HLT instructions, and inside KVM both of those go to EL1, ie to the guest, and can't be trapped to KVM. Let check_for_semihosting() return False when not running on TCG. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20190701194942.10092-3-philmd@redhat.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/cpu.h')
-rw-r--r--target/arm/cpu.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index a9be18660f..94c990cddb 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -964,7 +964,14 @@ static inline void aarch64_sve_change_el(CPUARMState *env, int o,
{ }
#endif
+#if !defined(CONFIG_TCG)
+static inline target_ulong do_arm_semihosting(CPUARMState *env)
+{
+ g_assert_not_reached();
+}
+#else
target_ulong do_arm_semihosting(CPUARMState *env);
+#endif
void aarch64_sync_32_to_64(CPUARMState *env);
void aarch64_sync_64_to_32(CPUARMState *env);