#include "hw/xen.h"
#include "qemu-timer.h"
#include "memory.h"
+#include "dma.h"
#include "exec-memory.h"
#if defined(CONFIG_USER_ONLY)
#include <qemu.h>
AddressSpace address_space_io;
AddressSpace address_space_memory;
+DMAContext dma_context_memory;
MemoryRegion io_mem_ram, io_mem_rom, io_mem_unassigned, io_mem_notdirty;
static MemoryRegion io_mem_subpage_ram;
exit(1);
}
+ qemu_madvise(code_gen_buffer, code_gen_buffer_size, QEMU_MADV_HUGEPAGE);
+
/* Steal room for the prologue at the end of the buffer. This ensures
(via the MAX_CODE_GEN_BUFFER_SIZE limits above) that direct branches
from TB's to the prologue are going to be in range. It also means
void cpu_exec_init(CPUArchState *env)
{
+#ifndef CONFIG_USER_ONLY
+ CPUState *cpu = ENV_GET_CPU(env);
+#endif
CPUArchState **penv;
int cpu_index;
QTAILQ_INIT(&env->breakpoints);
QTAILQ_INIT(&env->watchpoints);
#ifndef CONFIG_USER_ONLY
- env->thread_id = qemu_get_thread_id();
+ cpu->thread_id = qemu_get_thread_id();
#endif
*penv = env;
#if defined(CONFIG_USER_ONLY)
mmap_unlock();
}
+#if defined(CONFIG_QEMU_LDST_OPTIMIZATION) && defined(CONFIG_SOFTMMU)
+/* check whether the given addr is in TCG generated code buffer or not */
+bool is_tcg_gen_code(uintptr_t tc_ptr)
+{
+ /* This can be called during code generation, code_gen_buffer_max_size
+ is used instead of code_gen_ptr for upper boundary checking */
+ return (tc_ptr >= (uintptr_t)code_gen_buffer &&
+ tc_ptr < (uintptr_t)(code_gen_buffer + code_gen_buffer_max_size));
+}
+#endif
+
/* find the TB 'tb' such that tb[0].tc_ptr <= tc_ptr <
tb[1].tc_ptr. Return NULL if not found */
TranslationBlock *tb_find_pc(uintptr_t tc_ptr)
/* mask must never be zero, except for A20 change call */
static void tcg_handle_interrupt(CPUArchState *env, int mask)
{
+ CPUState *cpu = ENV_GET_CPU(env);
int old_mask;
old_mask = env->interrupt_request;
* If called from iothread context, wake the target cpu in
* case its halted.
*/
- if (!qemu_cpu_is_self(env)) {
- qemu_cpu_kick(env);
+ if (!qemu_cpu_is_self(cpu)) {
+ qemu_cpu_kick(cpu);
return;
}
memory_listener_register(&core_memory_listener, &address_space_memory);
memory_listener_register(&io_memory_listener, &address_space_io);
memory_listener_register(&tcg_memory_listener, &address_space_memory);
+
+ dma_context_init(&dma_context_memory, &address_space_memory,
+ NULL, NULL, NULL);
}
MemoryRegion *get_system_memory(void)