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authorRichard Henderson <richard.henderson@linaro.org>2022-10-24 19:43:40 +1000
committerRichard Henderson <richard.henderson@linaro.org>2022-10-26 11:11:28 +1000
commitd29256896f563683419ae4af04d94d7d0f07c225 (patch)
tree123efaad95b498e095feb2ae4fb35de1ec0bbfec /include/hw/core
parent8269c01417a3e0bdb444b1bdac1d9b6c8bc9e667 (diff)
downloadfocaccia-qemu-d29256896f563683419ae4af04d94d7d0f07c225.tar.gz
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accel/tcg: Add restore_state_to_opc to TCGCPUOps
Add a tcg_ops hook to replace the restore_state_to_opc
function call.  Because these generic hooks cannot depend
on target-specific types, temporarily, copy the current
target_ulong data[] into uint64_t d64[].

Reviewed-by: Claudio Fontana <cfontana@suse.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'include/hw/core')
-rw-r--r--include/hw/core/tcg-cpu-ops.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/hw/core/tcg-cpu-ops.h b/include/hw/core/tcg-cpu-ops.h
index 78c6c6635d..20e3c0ffbb 100644
--- a/include/hw/core/tcg-cpu-ops.h
+++ b/include/hw/core/tcg-cpu-ops.h
@@ -31,6 +31,17 @@ struct TCGCPUOps {
      * function to restore all the state, and register it here.
      */
     void (*synchronize_from_tb)(CPUState *cpu, const TranslationBlock *tb);
+    /**
+     * @restore_state_to_opc: Synchronize state from INDEX_op_start_insn
+     *
+     * This is called when we unwind state in the middle of a TB,
+     * usually before raising an exception.  Set all part of the CPU
+     * state which are tracked insn-by-insn in the target-specific
+     * arguments to start_insn, passed as @data.
+     */
+    void (*restore_state_to_opc)(CPUState *cpu, const TranslationBlock *tb,
+                                 const uint64_t *data);
+
     /** @cpu_exec_enter: Callback for cpu_exec preparation */
     void (*cpu_exec_enter)(CPUState *cpu);
     /** @cpu_exec_exit: Callback for cpu_exec cleanup */