Revision 3dd3a2b9 target-lm32/helper.c
| b/target-lm32/helper.c | ||
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| 49 | 49 |
} |
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} |
| 51 | 51 |
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void lm32_breakpoint_insert(CPULM32State *env, int idx, target_ulong address) |
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{
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cpu_breakpoint_insert(env, address, BP_CPU, &env->cpu_breakpoint[idx]); |
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} |
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void lm32_breakpoint_remove(CPULM32State *env, int idx) |
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{
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if (!env->cpu_breakpoint[idx]) {
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return; |
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} |
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cpu_breakpoint_remove_by_ref(env, env->cpu_breakpoint[idx]); |
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env->cpu_breakpoint[idx] = NULL; |
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} |
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void lm32_watchpoint_insert(CPULM32State *env, int idx, target_ulong address, |
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lm32_wp_t wp_type) |
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{
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int flags = 0; |
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switch (wp_type) {
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case LM32_WP_DISABLED: |
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/* nothing to to */ |
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break; |
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case LM32_WP_READ: |
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flags = BP_CPU | BP_STOP_BEFORE_ACCESS | BP_MEM_READ; |
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break; |
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case LM32_WP_WRITE: |
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flags = BP_CPU | BP_STOP_BEFORE_ACCESS | BP_MEM_WRITE; |
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break; |
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case LM32_WP_READ_WRITE: |
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flags = BP_CPU | BP_STOP_BEFORE_ACCESS | BP_MEM_ACCESS; |
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break; |
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} |
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if (flags != 0) {
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cpu_watchpoint_insert(env, address, 1, flags, |
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&env->cpu_watchpoint[idx]); |
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} |
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} |
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void lm32_watchpoint_remove(CPULM32State *env, int idx) |
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{
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if (!env->cpu_watchpoint[idx]) {
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return; |
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} |
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cpu_watchpoint_remove_by_ref(env, env->cpu_watchpoint[idx]); |
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env->cpu_watchpoint[idx] = NULL; |
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} |
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static bool check_watchpoints(CPULM32State *env) |
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{
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LM32CPU *cpu = lm32_env_get_cpu(env); |
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int i; |
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for (i = 0; i < cpu->num_watchpoints; i++) {
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if (env->cpu_watchpoint[i] && |
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env->cpu_watchpoint[i]->flags & BP_WATCHPOINT_HIT) {
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return true; |
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} |
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} |
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return false; |
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} |
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void lm32_debug_excp_handler(CPULM32State *env) |
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{
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CPUBreakpoint *bp; |
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if (env->watchpoint_hit) {
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if (env->watchpoint_hit->flags & BP_CPU) {
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env->watchpoint_hit = NULL; |
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if (check_watchpoints(env)) {
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raise_exception(env, EXCP_WATCHPOINT); |
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} else {
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cpu_resume_from_signal(env, NULL); |
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} |
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} |
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} else {
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QTAILQ_FOREACH(bp, &env->breakpoints, entry) {
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if (bp->pc == env->pc) {
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if (bp->flags & BP_CPU) {
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raise_exception(env, EXCP_BREAKPOINT); |
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} |
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break; |
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} |
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} |
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} |
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} |
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| 52 | 142 |
void lm32_cpu_do_interrupt(CPUState *cs) |
| 53 | 143 |
{
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| 54 | 144 |
LM32CPU *cpu = LM32_CPU(cs); |
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