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-rw-r--r--target-i386/helper.c128
1 files changed, 0 insertions, 128 deletions
diff --git a/target-i386/helper.c b/target-i386/helper.c
index 9364d96f96..d18be95c3f 100644
--- a/target-i386/helper.c
+++ b/target-i386/helper.c
@@ -1096,134 +1096,6 @@ out:
return pte | page_offset;
}
-void hw_breakpoint_insert(CPUX86State *env, int index)
-{
- CPUState *cs = CPU(x86_env_get_cpu(env));
- int type = 0, err = 0;
-
- switch (hw_breakpoint_type(env->dr[7], index)) {
- case DR7_TYPE_BP_INST:
- if (hw_breakpoint_enabled(env->dr[7], index)) {
- err = cpu_breakpoint_insert(cs, env->dr[index], BP_CPU,
- &env->cpu_breakpoint[index]);
- }
- break;
- case DR7_TYPE_DATA_WR:
- type = BP_CPU | BP_MEM_WRITE;
- break;
- case DR7_TYPE_IO_RW:
- /* No support for I/O watchpoints yet */
- break;
- case DR7_TYPE_DATA_RW:
- type = BP_CPU | BP_MEM_ACCESS;
- break;
- }
-
- if (type != 0) {
- err = cpu_watchpoint_insert(cs, env->dr[index],
- hw_breakpoint_len(env->dr[7], index),
- type, &env->cpu_watchpoint[index]);
- }
-
- if (err) {
- env->cpu_breakpoint[index] = NULL;
- }
-}
-
-void hw_breakpoint_remove(CPUX86State *env, int index)
-{
- CPUState *cs;
-
- if (!env->cpu_breakpoint[index]) {
- return;
- }
- cs = CPU(x86_env_get_cpu(env));
- switch (hw_breakpoint_type(env->dr[7], index)) {
- case DR7_TYPE_BP_INST:
- if (hw_breakpoint_enabled(env->dr[7], index)) {
- cpu_breakpoint_remove_by_ref(cs, env->cpu_breakpoint[index]);
- }
- break;
- case DR7_TYPE_DATA_WR:
- case DR7_TYPE_DATA_RW:
- cpu_watchpoint_remove_by_ref(cs, env->cpu_watchpoint[index]);
- break;
- case DR7_TYPE_IO_RW:
- /* No support for I/O watchpoints yet */
- break;
- }
-}
-
-bool check_hw_breakpoints(CPUX86State *env, bool force_dr6_update)
-{
- target_ulong dr6;
- int reg;
- bool hit_enabled = false;
-
- dr6 = env->dr[6] & ~0xf;
- for (reg = 0; reg < DR7_MAX_BP; reg++) {
- bool bp_match = false;
- bool wp_match = false;
-
- switch (hw_breakpoint_type(env->dr[7], reg)) {
- case DR7_TYPE_BP_INST:
- if (env->dr[reg] == env->eip) {
- bp_match = true;
- }
- break;
- case DR7_TYPE_DATA_WR:
- case DR7_TYPE_DATA_RW:
- if (env->cpu_watchpoint[reg] &&
- env->cpu_watchpoint[reg]->flags & BP_WATCHPOINT_HIT) {
- wp_match = true;
- }
- break;
- case DR7_TYPE_IO_RW:
- break;
- }
- if (bp_match || wp_match) {
- dr6 |= 1 << reg;
- if (hw_breakpoint_enabled(env->dr[7], reg)) {
- hit_enabled = true;
- }
- }
- }
-
- if (hit_enabled || force_dr6_update) {
- env->dr[6] = dr6;
- }
-
- return hit_enabled;
-}
-
-void breakpoint_handler(CPUState *cs)
-{
- X86CPU *cpu = X86_CPU(cs);
- CPUX86State *env = &cpu->env;
- CPUBreakpoint *bp;
-
- if (cs->watchpoint_hit) {
- if (cs->watchpoint_hit->flags & BP_CPU) {
- cs->watchpoint_hit = NULL;
- if (check_hw_breakpoints(env, false)) {
- raise_exception(env, EXCP01_DB);
- } else {
- cpu_resume_from_signal(cs, NULL);
- }
- }
- } else {
- QTAILQ_FOREACH(bp, &cs->breakpoints, entry) {
- if (bp->pc == env->eip) {
- if (bp->flags & BP_CPU) {
- check_hw_breakpoints(env, true);
- raise_exception(env, EXCP01_DB);
- }
- break;
- }
- }
- }
-}
-
typedef struct MCEInjectionParams {
Monitor *mon;
X86CPU *cpu;