diff options
Diffstat (limited to 'target-arm/op_helper.c')
| -rw-r--r-- | target-arm/op_helper.c | 68 |
1 files changed, 28 insertions, 40 deletions
diff --git a/target-arm/op_helper.c b/target-arm/op_helper.c index 9ab7c61..a4507df 100644 --- a/target-arm/op_helper.c +++ b/target-arm/op_helper.c @@ -24,12 +24,15 @@ #define SIGNBIT (uint32_t)0x80000000 #define SIGNBIT64 ((uint64_t)1 << 63) -static void raise_exception(CPUARMState *env, int tt) +static void raise_exception(CPUARMState *env, uint32_t excp, + uint32_t syndrome, uint32_t target_el) { - ARMCPU *cpu = arm_env_get_cpu(env); - CPUState *cs = CPU(cpu); + CPUState *cs = CPU(arm_env_get_cpu(env)); - cs->exception_index = tt; + assert(!excp_is_internal(excp)); + cs->exception_index = excp; + env->exception.syndrome = syndrome; + env->exception.target_el = target_el; cpu_loop_exit(cs); } @@ -109,11 +112,9 @@ void tlb_fill(CPUState *cs, target_ulong addr, int is_write, int mmu_idx, exc = EXCP_DATA_ABORT; } - env->exception.syndrome = syn; - env->exception.target_el = exception_target_el(env); env->exception.vaddress = addr; env->exception.fsr = ret; - raise_exception(env, exc); + raise_exception(env, exc, syn, exception_target_el(env)); } } #endif @@ -286,13 +287,7 @@ void HELPER(exception_internal)(CPUARMState *env, uint32_t excp) void HELPER(exception_with_syndrome)(CPUARMState *env, uint32_t excp, uint32_t syndrome, uint32_t target_el) { - CPUState *cs = CPU(arm_env_get_cpu(env)); - - assert(!excp_is_internal(excp)); - cs->exception_index = excp; - env->exception.syndrome = syndrome; - env->exception.target_el = target_el; - cpu_loop_exit(cs); + raise_exception(env, excp, syndrome, target_el); } uint32_t HELPER(cpsr_read)(CPUARMState *env) @@ -343,9 +338,7 @@ void HELPER(access_check_cp_reg)(CPUARMState *env, void *rip, uint32_t syndrome) if (arm_feature(env, ARM_FEATURE_XSCALE) && ri->cp < 14 && extract32(env->cp15.c15_cpar, ri->cp, 1) == 0) { - env->exception.syndrome = syndrome; - env->exception.target_el = exception_target_el(env); - raise_exception(env, EXCP_UDEF); + raise_exception(env, EXCP_UDEF, syndrome, exception_target_el(env)); } if (!ri->accessfn) { @@ -356,17 +349,15 @@ void HELPER(access_check_cp_reg)(CPUARMState *env, void *rip, uint32_t syndrome) case CP_ACCESS_OK: return; case CP_ACCESS_TRAP: - env->exception.syndrome = syndrome; - env->exception.target_el = exception_target_el(env); break; case CP_ACCESS_TRAP_UNCATEGORIZED: - env->exception.syndrome = syn_uncategorized(); - env->exception.target_el = exception_target_el(env); + syndrome = syn_uncategorized(); break; default: g_assert_not_reached(); } - raise_exception(env, EXCP_UDEF); + + raise_exception(env, EXCP_UDEF, syndrome, exception_target_el(env)); } void HELPER(set_cp_reg)(CPUARMState *env, void *rip, uint32_t value) @@ -404,11 +395,10 @@ void HELPER(msr_i_pstate)(CPUARMState *env, uint32_t op, uint32_t imm) * to catch that case at translate time. */ if (arm_current_el(env) == 0 && !(env->cp15.sctlr_el[1] & SCTLR_UMA)) { - env->exception.target_el = exception_target_el(env); - env->exception.syndrome = syn_aa64_sysregtrap(0, extract32(op, 0, 3), - extract32(op, 3, 3), 4, - imm, 0x1f, 0); - raise_exception(env, EXCP_UDEF); + uint32_t syndrome = syn_aa64_sysregtrap(0, extract32(op, 0, 3), + extract32(op, 3, 3), 4, + imm, 0x1f, 0); + raise_exception(env, EXCP_UDEF, syndrome, exception_target_el(env)); } switch (op) { @@ -466,9 +456,8 @@ void HELPER(pre_hvc)(CPUARMState *env) } if (undef) { - env->exception.syndrome = syn_uncategorized(); - env->exception.target_el = exception_target_el(env); - raise_exception(env, EXCP_UDEF); + raise_exception(env, EXCP_UDEF, syn_uncategorized(), + exception_target_el(env)); } } @@ -497,15 +486,12 @@ void HELPER(pre_smc)(CPUARMState *env, uint32_t syndrome) undef = true; } else if (!secure && cur_el == 1 && (env->cp15.hcr_el2 & HCR_TSC)) { /* In NS EL1, HCR controlled routing to EL2 has priority over SMD. */ - env->exception.syndrome = syndrome; - env->exception.target_el = 2; - raise_exception(env, EXCP_HYP_TRAP); + raise_exception(env, EXCP_HYP_TRAP, syndrome, 2); } if (undef) { - env->exception.syndrome = syn_uncategorized(); - env->exception.target_el = exception_target_el(env); - raise_exception(env, EXCP_UDEF); + raise_exception(env, EXCP_UDEF, syn_uncategorized(), + exception_target_el(env)); } } @@ -798,14 +784,15 @@ void arm_debug_excp_handler(CPUState *cs) bool wnr = (wp_hit->flags & BP_WATCHPOINT_HIT_WRITE) != 0; bool same_el = arm_debug_target_el(env) == arm_current_el(env); - env->exception.syndrome = syn_watchpoint(same_el, 0, wnr); if (extended_addresses_enabled(env)) { env->exception.fsr = (1 << 9) | 0x22; } else { env->exception.fsr = 0x2; } env->exception.vaddress = wp_hit->hitaddr; - raise_exception(env, EXCP_DATA_ABORT); + raise_exception(env, EXCP_DATA_ABORT, + syn_watchpoint(same_el, 0, wnr), + arm_debug_target_el(env)); } else { cpu_resume_from_signal(cs, NULL); } @@ -813,14 +800,15 @@ void arm_debug_excp_handler(CPUState *cs) } else { if (check_breakpoints(cpu)) { bool same_el = (arm_debug_target_el(env) == arm_current_el(env)); - env->exception.syndrome = syn_breakpoint(same_el); if (extended_addresses_enabled(env)) { env->exception.fsr = (1 << 9) | 0x22; } else { env->exception.fsr = 0x2; } /* FAR is UNKNOWN, so doesn't need setting */ - raise_exception(env, EXCP_PREFETCH_ABORT); + raise_exception(env, EXCP_PREFETCH_ABORT, + syn_breakpoint(same_el), + arm_debug_target_el(env)); } } } |