diff options
| author | Edgar E. Iglesias <edgar.iglesias@xilinx.com> | 2013-12-17 13:06:51 +1000 |
|---|---|---|
| committer | Edgar E. Iglesias <edgar.iglesias@xilinx.com> | 2014-02-11 22:56:37 +1000 |
| commit | 09daed848c3de60b7979eda709dc4bae5195273d (patch) | |
| tree | fc1780c50b6f58edbaa3ca77af504cc44fe07c57 /exec.c | |
| parent | c6c6958c98687543bcb12bdf5492e7a48d535511 (diff) | |
| download | qemu-09daed848c3de60b7979eda709dc4bae5195273d.tar.gz | |
cpu: Add per-cpu address space
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Diffstat (limited to 'exec.c')
| -rw-r--r-- | exec.c | 27 |
1 files changed, 19 insertions, 8 deletions
@@ -138,6 +138,7 @@ typedef struct subpage_t { static void io_mem_init(void); static void memory_map_init(void); +static void tcg_commit(MemoryListener *listener); static MemoryRegion io_mem_watch; #endif @@ -453,6 +454,22 @@ CPUState *qemu_get_cpu(int index) return NULL; } +#if !defined(CONFIG_USER_ONLY) +void tcg_cpu_address_space_init(CPUState *cpu, AddressSpace *as) +{ + /* We only support one address space per cpu at the moment. */ + assert(cpu->as == as); + + 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); +} +#endif + void cpu_exec_init(CPUArchState *env) { CPUState *cpu = ENV_GET_CPU(env); @@ -472,6 +489,7 @@ void cpu_exec_init(CPUArchState *env) QTAILQ_INIT(&env->breakpoints); QTAILQ_INIT(&env->watchpoints); #ifndef CONFIG_USER_ONLY + cpu->as = &address_space_memory; cpu->thread_id = qemu_get_thread_id(); #endif QTAILQ_INSERT_TAIL(&cpus, cpu, node); @@ -503,7 +521,7 @@ static void breakpoint_invalidate(CPUState *cpu, target_ulong pc) { hwaddr phys = cpu_get_phys_page_debug(cpu, pc); if (phys != -1) { - tb_invalidate_phys_addr(&address_space_memory, + tb_invalidate_phys_addr(cpu->as, phys | (pc & ~TARGET_PAGE_MASK)); } } @@ -1830,10 +1848,6 @@ 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; @@ -1869,9 +1883,6 @@ 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) |