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[89.236.50.95]) by mx.google.com with ESMTPSA id c10sm24177451lbd.9.2013.11.22.07.20.44 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Fri, 22 Nov 2013 07:20:45 -0800 (PST) From: edgar.iglesias@gmail.com Date: Fri, 22 Nov 2013 16:15:57 +0100 Message-Id: <1385133359-13770-7-git-send-email-edgar.iglesias@gmail.com> In-Reply-To: <1385133359-13770-1-git-send-email-edgar.iglesias@gmail.com> References: <1385133359-13770-1-git-send-email-edgar.iglesias@gmail.com> Subject: [Qemu-devel] [RFC PATCH 6/8] cpu: Add per-cpu address space List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org From: "Edgar E. Iglesias" Signed-off-by: Edgar E. Iglesias --- cputlb.c | 4 ++-- exec.c | 31 +++++++++++++++++++++++-------- include/exec/cpu-defs.h | 3 +++ include/exec/exec-all.h | 1 + include/exec/softmmu_template.h | 4 ++-- include/qom/cpu.h | 2 ++ 6 files changed, 33 insertions(+), 12 deletions(-) diff --git a/cputlb.c b/cputlb.c index 0399172..a2264a3 100644 --- a/cputlb.c +++ b/cputlb.c @@ -254,7 +254,7 @@ void tlb_set_page(CPUArchState *env, target_ulong vaddr, } sz = size; - section = address_space_translate_for_iotlb(&address_space_memory, paddr, + section = address_space_translate_for_iotlb(env->as, paddr, &xlat, &sz); assert(sz >= TARGET_PAGE_SIZE); @@ -327,7 +327,7 @@ tb_page_addr_t get_page_addr_code(CPUArchState *env1, target_ulong addr) cpu_ldub_code(env1, addr); } pd = env1->iotlb[mmu_idx][page_index] & ~TARGET_PAGE_MASK; - mr = iotlb_to_region(&address_space_memory, pd); + mr = iotlb_to_region(env1->as, pd); if (memory_region_is_unassigned(mr)) { CPUState *cpu = ENV_GET_CPU(env1); CPUClass *cc = CPU_GET_CLASS(cpu); diff --git a/exec.c b/exec.c index 0162eb3..acbd2e6 100644 --- a/exec.c +++ b/exec.c @@ -129,6 +129,7 @@ static PhysPageMap next_map; static void io_mem_init(void); static void memory_map_init(void); +static void tcg_commit(MemoryListener *listener); static MemoryRegion io_mem_watch; #endif @@ -361,6 +362,25 @@ CPUState *qemu_get_cpu(int index) return NULL; } +#if !defined(CONFIG_USER_ONLY) +void cpu_address_space_init(CPUState *cpu, AddressSpace *as) +{ + CPUArchState *env = cpu->env_ptr; + + if (tcg_enabled()) { + if (cpu->tcg_as_listener) { + memory_listener_unregister(cpu->tcg_as_listener); + } else { + cpu->tcg_as_listener = g_new0(MemoryListener, 1); + } + cpu->tcg_as_listener->commit = tcg_commit; + memory_listener_register(cpu->tcg_as_listener, as); + } + + env->as = as; +} +#endif + void cpu_exec_init(CPUArchState *env) { CPUState *cpu = ENV_GET_CPU(env); @@ -380,6 +400,7 @@ void cpu_exec_init(CPUArchState *env) QTAILQ_INIT(&env->breakpoints); QTAILQ_INIT(&env->watchpoints); #ifndef CONFIG_USER_ONLY + cpu_address_space_init(cpu, &address_space_memory); cpu->thread_id = qemu_get_thread_id(); #endif QTAILQ_INSERT_TAIL(&cpus, cpu, node); @@ -409,9 +430,10 @@ static void breakpoint_invalidate(CPUState *cpu, target_ulong pc) #else static void breakpoint_invalidate(CPUState *cpu, target_ulong pc) { + CPUArchState *env = cpu->env_ptr; hwaddr phys = cpu_get_phys_page_debug(cpu, pc); if (phys != -1) { - tb_invalidate_phys_addr(&address_space_memory, + tb_invalidate_phys_addr(env->as, phys | (pc & ~TARGET_PAGE_MASK)); } } @@ -1717,10 +1739,6 @@ static MemoryListener core_memory_listener = { .priority = 1, }; -static MemoryListener tcg_memory_listener = { - .commit = tcg_commit, -}; - void address_space_init_dispatch(AddressSpace *as) { as->dispatch = NULL; @@ -1755,9 +1773,6 @@ static void memory_map_init(void) address_space_init(&address_space_io, system_io, "I/O"); memory_listener_register(&core_memory_listener, &address_space_memory); - if (tcg_enabled()) { - memory_listener_register(&tcg_memory_listener, &address_space_memory); - } } MemoryRegion *get_system_memory(void) diff --git a/include/exec/cpu-defs.h b/include/exec/cpu-defs.h index 01cd8c7..406b36c 100644 --- a/include/exec/cpu-defs.h +++ b/include/exec/cpu-defs.h @@ -176,6 +176,9 @@ typedef struct CPUWatchpoint { sigjmp_buf jmp_env; \ int exception_index; \ \ + /* Per CPU address-space. */ \ + AddressSpace *as; \ + \ /* user data */ \ void *opaque; \ diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h index 6129365..61770ee 100644 --- a/include/exec/exec-all.h +++ b/include/exec/exec-all.h @@ -95,6 +95,7 @@ void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end, void tb_invalidate_phys_range(tb_page_addr_t start, tb_page_addr_t end, int is_cpu_write_access); #if !defined(CONFIG_USER_ONLY) +void cpu_address_space_init(CPUState *cpu, AddressSpace *as); /* cputlb.c */ void tlb_flush_page(CPUArchState *env, target_ulong addr); void tlb_flush(CPUArchState *env, int flush_global); diff --git a/include/exec/softmmu_template.h b/include/exec/softmmu_template.h index 69d856a..1dacb4d 100644 --- a/include/exec/softmmu_template.h +++ b/include/exec/softmmu_template.h @@ -119,7 +119,7 @@ static inline DATA_TYPE glue(io_read, SUFFIX)(CPUArchState *env, uintptr_t retaddr) { uint64_t val; - MemoryRegion *mr = iotlb_to_region(&address_space_memory, physaddr); + MemoryRegion *mr = iotlb_to_region(env->as, physaddr); physaddr = (physaddr & TARGET_PAGE_MASK) + addr; env->mem_io_pc = retaddr; @@ -325,7 +325,7 @@ static inline void glue(io_write, SUFFIX)(CPUArchState *env, target_ulong addr, uintptr_t retaddr) { - MemoryRegion *mr = iotlb_to_region(&address_space_memory, physaddr); + MemoryRegion *mr = iotlb_to_region(env->as, physaddr); physaddr = (physaddr & TARGET_PAGE_MASK) + addr; if (mr != &io_mem_rom && mr != &io_mem_notdirty && !can_do_io(env)) { diff --git a/include/qom/cpu.h b/include/qom/cpu.h index 7739e00..c1febae 100644 --- a/include/qom/cpu.h +++ b/include/qom/cpu.h @@ -186,6 +186,8 @@ struct CPUState { uint32_t interrupt_request; int singlestep_enabled; + MemoryListener *tcg_as_listener; + void *env_ptr; /* CPUArchState */ struct TranslationBlock *current_tb; struct GDBRegisterState *gdb_regs; -- 1.7.10.4