gwj / at91sam9263 · Commits

Commit 0a6de7500261839c9383b30207ba2ca5f7a402eb

Authored by ths
1 parent b4f0a316

Clear BD slot on next exception if appropriate. 


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2777 c046a42c-6fe2-441c-8c8c-71466251a162
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Showing 1 changed file with 4 additions and 0 deletions
target-mips/helper.c
  View file @0a6de75
@@ -302,6 +302,8 @@ void do_interrupt (CPUState *env) @@ -302,6 +302,8 @@ void do_interrupt (CPUState *env)
302 env->hflags |= MIPS_HFLAG_DM; 302 env->hflags |= MIPS_HFLAG_DM;
303 env->hflags &= ~MIPS_HFLAG_UM; 303 env->hflags &= ~MIPS_HFLAG_UM;
304 /* EJTAG probe trap enable is not implemented... */ 304 /* EJTAG probe trap enable is not implemented... */
  305 + if (!(env->CP0_Status & (1 << CP0St_EXL)))
  306 + env->CP0_Cause &= ~(1 << CP0Ca_BD);
305 env->PC = (int32_t)0xBFC00480; 307 env->PC = (int32_t)0xBFC00480;
306 break; 308 break;
307 case EXCP_RESET: 309 case EXCP_RESET:
@@ -324,6 +326,8 @@ void do_interrupt (CPUState *env) @@ -324,6 +326,8 @@ void do_interrupt (CPUState *env)
324 } 326 }
325 env->CP0_Status |= (1 << CP0St_ERL) | (1 << CP0St_BEV); 327 env->CP0_Status |= (1 << CP0St_ERL) | (1 << CP0St_BEV);
326 env->hflags &= ~MIPS_HFLAG_UM; 328 env->hflags &= ~MIPS_HFLAG_UM;
  329 + if (!(env->CP0_Status & (1 << CP0St_EXL)))
  330 + env->CP0_Cause &= ~(1 << CP0Ca_BD);
327 env->PC = (int32_t)0xBFC00000; 331 env->PC = (int32_t)0xBFC00000;
328 break; 332 break;
329 case EXCP_MCHECK: 333 case EXCP_MCHECK: