| Message ID | 20180527141324.11937-17-richard.henderson@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | target/openrisc improvements | expand |
On 05/27/2018 11:13 AM, Richard Henderson wrote: > Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> > --- > target/openrisc/interrupt.c | 30 +++++++++++++++++++++++++----- > 1 file changed, 25 insertions(+), 5 deletions(-) > > diff --git a/target/openrisc/interrupt.c b/target/openrisc/interrupt.c > index e28042856a..138ad17f00 100644 > --- a/target/openrisc/interrupt.c > +++ b/target/openrisc/interrupt.c > @@ -32,6 +32,7 @@ void openrisc_cpu_do_interrupt(CPUState *cs) > #ifndef CONFIG_USER_ONLY > OpenRISCCPU *cpu = OPENRISC_CPU(cs); > CPUOpenRISCState *env = &cpu->env; > + int exception = cs->exception_index; > > env->epcr = env->pc; > if (env->dflag) { > @@ -41,12 +42,12 @@ void openrisc_cpu_do_interrupt(CPUState *cs) > } else { > env->sr &= ~SR_DSX; > } > - if (cs->exception_index == EXCP_SYSCALL) { > + if (exception == EXCP_SYSCALL) { > env->epcr += 4; > } > /* When we have an illegal instruction the error effective address > shall be set to the illegal instruction address. */ > - if (cs->exception_index == EXCP_ILLEGAL) { > + if (exception == EXCP_ILLEGAL) { > env->eear = env->pc; > } > > @@ -60,8 +61,27 @@ void openrisc_cpu_do_interrupt(CPUState *cs) > env->pmr &= ~PMR_SME; > env->lock_addr = -1; > > - if (cs->exception_index > 0 && cs->exception_index < EXCP_NR) { > - hwaddr vect_pc = cs->exception_index << 8; > + if (exception > 0 && exception < EXCP_NR) { > + static const char * const int_name[EXCP_NR] = { > + [EXCP_RESET] = "RESET", > + [EXCP_BUSERR] = "BUSERR (bus error)", > + [EXCP_DPF] = "DFP (data protection fault)", > + [EXCP_IPF] = "IPF (code protection fault)", > + [EXCP_TICK] = "TICK (timer interrupt)", > + [EXCP_ALIGN] = "ALIGN", > + [EXCP_ILLEGAL] = "ILLEGAL", > + [EXCP_INT] = "INT (device interrupt)", > + [EXCP_DTLBMISS] = "DTLBMISS (data tlb miss)", > + [EXCP_ITLBMISS] = "ITLBMISS (code tlb miss)", > + [EXCP_RANGE] = "RANGE", > + [EXCP_SYSCALL] = "SYSCALL", > + [EXCP_FPE] = "FPE", > + [EXCP_TRAP] = "TRAP", > + }; > + > + qemu_log_mask(CPU_LOG_INT, "INT: %s\n", int_name[exception]); > + > + hwaddr vect_pc = exception << 8; > if (env->cpucfgr & CPUCFGR_EVBARP) { > vect_pc |= env->evbar; > } > @@ -70,7 +90,7 @@ void openrisc_cpu_do_interrupt(CPUState *cs) > } > env->pc = vect_pc; > } else { > - cpu_abort(cs, "Unhandled exception 0x%x\n", cs->exception_index); > + cpu_abort(cs, "Unhandled exception 0x%x\n", exception); > } > #endif > >
diff --git a/target/openrisc/interrupt.c b/target/openrisc/interrupt.c index e28042856a..138ad17f00 100644 --- a/target/openrisc/interrupt.c +++ b/target/openrisc/interrupt.c @@ -32,6 +32,7 @@ void openrisc_cpu_do_interrupt(CPUState *cs) #ifndef CONFIG_USER_ONLY OpenRISCCPU *cpu = OPENRISC_CPU(cs); CPUOpenRISCState *env = &cpu->env; + int exception = cs->exception_index; env->epcr = env->pc; if (env->dflag) { @@ -41,12 +42,12 @@ void openrisc_cpu_do_interrupt(CPUState *cs) } else { env->sr &= ~SR_DSX; } - if (cs->exception_index == EXCP_SYSCALL) { + if (exception == EXCP_SYSCALL) { env->epcr += 4; } /* When we have an illegal instruction the error effective address shall be set to the illegal instruction address. */ - if (cs->exception_index == EXCP_ILLEGAL) { + if (exception == EXCP_ILLEGAL) { env->eear = env->pc; } @@ -60,8 +61,27 @@ void openrisc_cpu_do_interrupt(CPUState *cs) env->pmr &= ~PMR_SME; env->lock_addr = -1; - if (cs->exception_index > 0 && cs->exception_index < EXCP_NR) { - hwaddr vect_pc = cs->exception_index << 8; + if (exception > 0 && exception < EXCP_NR) { + static const char * const int_name[EXCP_NR] = { + [EXCP_RESET] = "RESET", + [EXCP_BUSERR] = "BUSERR (bus error)", + [EXCP_DPF] = "DFP (data protection fault)", + [EXCP_IPF] = "IPF (code protection fault)", + [EXCP_TICK] = "TICK (timer interrupt)", + [EXCP_ALIGN] = "ALIGN", + [EXCP_ILLEGAL] = "ILLEGAL", + [EXCP_INT] = "INT (device interrupt)", + [EXCP_DTLBMISS] = "DTLBMISS (data tlb miss)", + [EXCP_ITLBMISS] = "ITLBMISS (code tlb miss)", + [EXCP_RANGE] = "RANGE", + [EXCP_SYSCALL] = "SYSCALL", + [EXCP_FPE] = "FPE", + [EXCP_TRAP] = "TRAP", + }; + + qemu_log_mask(CPU_LOG_INT, "INT: %s\n", int_name[exception]); + + hwaddr vect_pc = exception << 8; if (env->cpucfgr & CPUCFGR_EVBARP) { vect_pc |= env->evbar; } @@ -70,7 +90,7 @@ void openrisc_cpu_do_interrupt(CPUState *cs) } env->pc = vect_pc; } else { - cpu_abort(cs, "Unhandled exception 0x%x\n", cs->exception_index); + cpu_abort(cs, "Unhandled exception 0x%x\n", exception); } #endif
Signed-off-by: Richard Henderson <richard.henderson@linaro.org> --- target/openrisc/interrupt.c | 30 +++++++++++++++++++++++++----- 1 file changed, 25 insertions(+), 5 deletions(-)