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Diffstat (limited to 'target/openrisc/gdbstub.c')
-rw-r--r--target/openrisc/gdbstub.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/target/openrisc/gdbstub.c b/target/openrisc/gdbstub.c
index 31ea013..2a4821f 100644
--- a/target/openrisc/gdbstub.c
+++ b/target/openrisc/gdbstub.c
@@ -34,8 +34,8 @@ int openrisc_cpu_gdb_read_register(CPUState *cs, uint8_t *mem_buf, int n)
case 32: /* PPC */
return gdb_get_reg32(mem_buf, env->ppc);
- case 33: /* NPC */
- return gdb_get_reg32(mem_buf, env->npc);
+ case 33: /* NPC (equals PC) */
+ return gdb_get_reg32(mem_buf, env->pc);
case 34: /* SR */
return gdb_get_reg32(mem_buf, cpu_get_sr(env));
@@ -68,8 +68,13 @@ int openrisc_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)
env->ppc = tmp;
break;
- case 33: /* NPC */
- env->npc = tmp;
+ case 33: /* NPC (equals PC) */
+ /* If setting PC to something different,
+ also clear delayed branch status. */
+ if (env->pc != tmp) {
+ env->pc = tmp;
+ env->flags = 0;
+ }
break;
case 34: /* SR */