The new flag bql_interrupt, allows the CPUClass to determine if the BQL should be held during calls to cpu_exec_interrupt or do_interrupt.
This is being added in preparation for changes in cpu_handle_interrupt, which will use this flag. Signed-off-by: Robert Foley <robert.fo...@linaro.org> --- hw/core/cpu.c | 1 + include/hw/core/cpu.h | 8 ++++++++ 2 files changed, 9 insertions(+) diff --git a/hw/core/cpu.c b/hw/core/cpu.c index 8707ce2c34..7ab88caa97 100644 --- a/hw/core/cpu.c +++ b/hw/core/cpu.c @@ -425,6 +425,7 @@ static void cpu_class_init(ObjectClass *klass, void *data) k->cpu_exec_exit = cpu_common_noop; k->cpu_exec_interrupt = cpu_common_exec_interrupt; k->adjust_watchpoint_address = cpu_adjust_watchpoint_address; + k->bql_interrupt = true; set_bit(DEVICE_CATEGORY_CPU, dc->categories); dc->realize = cpu_common_realizefn; dc->unrealize = cpu_common_unrealizefn; diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index 6a2c77682f..d2c426ee5d 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -157,6 +157,8 @@ struct TranslationBlock; * @disas_set_info: Setup architecture specific components of disassembly info * @adjust_watchpoint_address: Perform a target-specific adjustment to an * address before attempting to match it against watchpoints. + * @bql_interrupt: Hold BQL while performing the cpu_exec_interrupt + * or do_interrupt call. * * Represents a CPU family or model. */ @@ -227,6 +229,7 @@ typedef struct CPUClass { /* Keep non-pointer data at the end to minimize holes. */ int gdb_num_core_regs; bool gdb_stop_before_watchpoint; + bool bql_interrupt; } CPUClass; /* @@ -589,6 +592,11 @@ static inline void cpu_tb_jmp_cache_clear(CPUState *cpu) } } +static inline void cpu_class_enable_bql_interrupt(CPUClass *cc) +{ + cc->bql_interrupt = true; +} + /** * qemu_tcg_mttcg_enabled: * Check whether we are running MultiThread TCG or not. -- 2.17.1