[PATCH-for-10.0,6/6] accel/tcg: Allow tcg_exec_realizefn() initialize multiple frontends

Commit Message

Philippe Mathieu-Daudé Nov. 27, 2024, 12:16 p.m. UTC

Rather than initializing the first random target architecture
and ignore the following ones when a global boolean is set,
use a bitmask allowing different frontend targets to be
initialized.

Signed-off-by: Philippe Mathieu-Daudé <[e-mail]>
---
 accel/tcg/cpu-exec.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

Patch

diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c
index ab77740c954..b37995f7d0c 100644
--- a/accel/tcg/cpu-exec.c
+++ b/accel/tcg/cpu-exec.c
@@ -1070,16 +1070,17 @@  int cpu_exec(CPUState *cpu)
 
 bool tcg_exec_realizefn(CPUState *cpu, Error **errp)
 {
+    static unsigned initialized_targets;
     const TCGCPUOps *tcg_ops = cpu->cc->tcg_ops;
 
-    if (!tcg_target_initialized) {
+    if (!(initialized_targets & tcg_ops->arch_id)) {
         /* Check mandatory TCGCPUOps handlers */
 #ifndef CONFIG_USER_ONLY
         assert(tcg_ops->cpu_exec_halt);
         assert(tcg_ops->cpu_exec_interrupt);
 #endif /* !CONFIG_USER_ONLY */
         tcg_ops->initialize_once();
-        tcg_target_initialized = true;
+        initialized_targets |= tcg_ops->arch_id;
     }
 
     cpu->tb_jmp_cache = g_new0(CPUJumpCache, 1);