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-rw-r--r--target-arm/op_helper.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/target-arm/op_helper.c b/target-arm/op_helper.c
index a0cddb6545..c075b53fcb 100644
--- a/target-arm/op_helper.c
+++ b/target-arm/op_helper.c
@@ -172,3 +172,54 @@ void do_vfp_get_fpscr(void)
i = get_float_exception_flags(&env->vfp.fp_status);
T0 |= vfp_exceptbits_from_host(i);
}
+
+#if !defined(CONFIG_USER_ONLY)
+
+#define MMUSUFFIX _mmu
+#define GETPC() (__builtin_return_address(0))
+
+#define SHIFT 0
+#include "softmmu_template.h"
+
+#define SHIFT 1
+#include "softmmu_template.h"
+
+#define SHIFT 2
+#include "softmmu_template.h"
+
+#define SHIFT 3
+#include "softmmu_template.h"
+
+/* try to fill the TLB and return an exception if error. If retaddr is
+ NULL, it means that the function was called in C code (i.e. not
+ from generated code or from helper.c) */
+/* XXX: fix it to restore all registers */
+void tlb_fill (target_ulong addr, int is_write, int is_user, void *retaddr)
+{
+ TranslationBlock *tb;
+ CPUState *saved_env;
+ target_phys_addr_t pc;
+ int ret;
+
+ /* XXX: hack to restore env in all cases, even if not called from
+ generated code */
+ saved_env = env;
+ env = cpu_single_env;
+ ret = cpu_arm_handle_mmu_fault(env, addr, is_write, is_user, 1);
+ if (__builtin_expect(ret, 0)) {
+ if (retaddr) {
+ /* now we have a real cpu fault */
+ pc = (target_phys_addr_t)retaddr;
+ tb = tb_find_pc(pc);
+ if (tb) {
+ /* the PC is inside the translated code. It means that we have
+ a virtual CPU fault */
+ cpu_restore_state(tb, env, pc, NULL);
+ }
+ }
+ raise_exception(env->exception_index);
+ }
+ env = saved_env;
+}
+
+#endif