diff options
| author | Emilio G. Cota <cota@braap.org> | 2018-10-09 13:45:54 -0400 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2018-10-18 18:58:10 -0700 |
| commit | 5005e2537d090bee87aca3b924dcd17920fd146a (patch) | |
| tree | b9f484d7c63ec09432627ea188723a1a3a11afa8 | |
| parent | 022d6378c7fda797ef91fe71a4e13a7a651298b8 (diff) | |
exec: introduce tlb_init
Paves the way for the addition of a per-TLB lock.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Message-Id: <20181009174557.16125-4-cota@braap.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| -rw-r--r-- | accel/tcg/cputlb.c | 4 | ||||
| -rw-r--r-- | exec.c | 1 | ||||
| -rw-r--r-- | include/exec/exec-all.h | 8 |
3 files changed, 13 insertions, 0 deletions
diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c index f4702ce91f..502eea2850 100644 --- a/accel/tcg/cputlb.c +++ b/accel/tcg/cputlb.c @@ -73,6 +73,10 @@ QEMU_BUILD_BUG_ON(sizeof(target_ulong) > sizeof(run_on_cpu_data)); QEMU_BUILD_BUG_ON(NB_MMU_MODES > 16); #define ALL_MMUIDX_BITS ((1 << NB_MMU_MODES) - 1) +void tlb_init(CPUState *cpu) +{ +} + /* flush_all_helper: run fn across all cpus * * If the wait flag is set then the src cpu's helper will be queued as @@ -965,6 +965,7 @@ void cpu_exec_realizefn(CPUState *cpu, Error **errp) tcg_target_initialized = true; cc->tcg_initialize(); } + tlb_init(cpu); #ifndef CONFIG_USER_ONLY if (qdev_get_vmsd(DEVICE(cpu)) == NULL) { diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h index 5f78125582..815e5b1e83 100644 --- a/include/exec/exec-all.h +++ b/include/exec/exec-all.h @@ -100,6 +100,11 @@ void cpu_address_space_init(CPUState *cpu, int asidx, #if !defined(CONFIG_USER_ONLY) && defined(CONFIG_TCG) /* cputlb.c */ /** + * tlb_init - initialize a CPU's TLB + * @cpu: CPU whose TLB should be initialized + */ +void tlb_init(CPUState *cpu); +/** * tlb_flush_page: * @cpu: CPU whose TLB should be flushed * @addr: virtual address of page to be flushed @@ -258,6 +263,9 @@ void tlb_set_page(CPUState *cpu, target_ulong vaddr, void probe_write(CPUArchState *env, target_ulong addr, int size, int mmu_idx, uintptr_t retaddr); #else +static inline void tlb_init(CPUState *cpu) +{ +} static inline void tlb_flush_page(CPUState *cpu, target_ulong addr) { } |