From: Fabian Aggeler <aggel...@ethz.ch>
When EL3 is running in Aarch32 (or ARMv7 with Security Extensions)
IFSR has a secure and a non-secure instance.
Signed-off-by: Fabian Aggeler <aggel...@ethz.ch>
Signed-off-by: Greg Bellows <greg.bell...@linaro.org>
---
target-arm/cpu.h | 10 +++++++++-
target-arm/helper.c | 9 +++++----
2 files changed, 14 insertions(+), 5 deletions(-)
diff --git a/target-arm/cpu.h b/target-arm/cpu.h
index 3661e85..5f9edc5 100644
--- a/target-arm/cpu.h
+++ b/target-arm/cpu.h
@@ -256,7 +256,15 @@ typedef struct CPUARMState {
uint32_t pmsav5_insn_ap; /* PMSAv5 MPU insn access permissions */
uint64_t hcr_el2; /* Hypervisor configuration register */
uint64_t scr_el3; /* Secure configuration register. */
- uint32_t ifsr_el2; /* Fault status registers. */
+ union { /* Fault status registers. */
+ struct {
+ uint32_t ifsr_ns;
+ uint32_t ifsr_s;
+ };
+ struct {
+ uint32_t ifsr32_el2;
+ };
+ };
uint64_t esr_el[4];
uint32_t c6_region[8]; /* MPU base/size registers. */
uint64_t far_el[4]; /* Fault address registers. */
diff --git a/target-arm/helper.c b/target-arm/helper.c
index c2d44d2..a083566 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -1666,8 +1666,9 @@ static const ARMCPRegInfo vmsa_cp_reginfo[] = {
.fieldoffset = offsetoflow32(CPUARMState, cp15.esr_el[1]),
.resetfn = arm_cp_reset_ignore, },
{ .name = "IFSR", .cp = 15, .crn = 5, .crm = 0, .opc1 = 0, .opc2 = 1,
- .access = PL1_RW,
- .fieldoffset = offsetof(CPUARMState, cp15.ifsr_el2), .resetvalue = 0, },
+ .access = PL1_RW, .resetvalue = 0,
+ .bank_fieldoffsets = { offsetof(CPUARMState, cp15.ifsr_s),
+ offsetof(CPUARMState, cp15.ifsr_ns) } },
{ .name = "ESR_EL1", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .crn = 5, .crm = 2, .opc1 = 0, .opc2 = 0,
.access = PL1_RW,
@@ -4377,11 +4378,11 @@ void arm_cpu_do_interrupt(CPUState *cs)
env->exception.fsr = 2;
/* Fall through to prefetch abort. */
case EXCP_PREFETCH_ABORT:
- env->cp15.ifsr_el2 = env->exception.fsr;
+ A32_BANKED_CURRENT_REG_SET(env, ifsr, env->exception.fsr);
env->cp15.far_el[1] = deposit64(env->cp15.far_el[1], 32, 32,
env->exception.vaddress);
qemu_log_mask(CPU_LOG_INT, "...with IFSR 0x%x IFAR 0x%x\n",
- env->cp15.ifsr_el2, (uint32_t)env->exception.vaddress);
+ env->exception.fsr, (uint32_t)env->exception.vaddress);
new_mode = ARM_CPU_MODE_ABT;
addr = 0x0c;
mask = CPSR_A | CPSR_I;
--
1.8.3.2
