target-arm: Make far_el1 an array

No functional change.
Prepares for future additions of the EL2 and 3 versions of this reg.

Reviewed-by: Greg Bellows <greg.bellows@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1402994746-8328-5-git-send-email-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

4 files changed, 10 insertions, 10 deletions

diff --git a/target-arm/cpu.c b/target-arm/cpu.c
index 05e52e0..7cebb76 100644
--- a/target-arm/cpu.c
+++ b/target-arm/cpu.c
@@ -447,7 +447,7 @@ static void arm1026_initfn(Object *obj)
         ARMCPRegInfo ifar = {
             .name = "IFAR", .cp = 15, .crn = 6, .crm = 0, .opc1 = 0, .opc2 = 1,
             .access = PL1_RW,
-            .fieldoffset = offsetofhigh32(CPUARMState, cp15.far_el1),
+            .fieldoffset = offsetofhigh32(CPUARMState, cp15.far_el[1]),
             .resetvalue = 0
         };
         define_one_arm_cp_reg(cpu, &ifar);
diff --git a/target-arm/cpu.h b/target-arm/cpu.h
index 369d472..b755f99 100644
--- a/target-arm/cpu.h
+++ b/target-arm/cpu.h
@@ -187,7 +187,7 @@ typedef struct CPUARMState {
         uint32_t ifsr_el2; /* Fault status registers.  */
         uint64_t esr_el[2];
         uint32_t c6_region[8]; /* MPU base/size registers.  */
-        uint64_t far_el1; /* Fault address registers.  */
+        uint64_t far_el[2]; /* Fault address registers.  */
         uint64_t par_el1;  /* Translation result. */
         uint32_t c9_insn; /* Cache lockdown registers.  */
         uint32_t c9_data;
diff --git a/target-arm/helper-a64.c b/target-arm/helper-a64.c
index 027434a..2e9ef64 100644
--- a/target-arm/helper-a64.c
+++ b/target-arm/helper-a64.c
@@ -465,13 +465,13 @@ void aarch64_cpu_do_interrupt(CPUState *cs)
     }
 
     env->cp15.esr_el[1] = env->exception.syndrome;
-    env->cp15.far_el1 = env->exception.vaddress;
+    env->cp15.far_el[1] = env->exception.vaddress;
 
     switch (cs->exception_index) {
     case EXCP_PREFETCH_ABORT:
     case EXCP_DATA_ABORT:
         qemu_log_mask(CPU_LOG_INT, "...with FAR 0x%" PRIx64 "\n",
-                      env->cp15.far_el1);
+                      env->cp15.far_el[1]);
         break;
     case EXCP_BKPT:
     case EXCP_UDEF:
diff --git a/target-arm/helper.c b/target-arm/helper.c
index d343856..b5f2e57 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -521,7 +521,7 @@ static const ARMCPRegInfo v6_cp_reginfo[] = {
       .access = PL0_W, .type = ARM_CP_NOP },
     { .name = "IFAR", .cp = 15, .crn = 6, .crm = 0, .opc1 = 0, .opc2 = 2,
       .access = PL1_RW,
-      .fieldoffset = offsetofhigh32(CPUARMState, cp15.far_el1),
+      .fieldoffset = offsetofhigh32(CPUARMState, cp15.far_el[1]),
       .resetvalue = 0, },
     /* Watchpoint Fault Address Register : should actually only be present
      * for 1136, 1176, 11MPCore.
@@ -1516,7 +1516,7 @@ static const ARMCPRegInfo vmsa_cp_reginfo[] = {
     /* 64-bit FAR; this entry also gives us the AArch32 DFAR */
     { .name = "FAR_EL1", .state = ARM_CP_STATE_BOTH,
       .opc0 = 3, .crn = 6, .crm = 0, .opc1 = 0, .opc2 = 0,
-      .access = PL1_RW, .fieldoffset = offsetof(CPUARMState, cp15.far_el1),
+      .access = PL1_RW, .fieldoffset = offsetof(CPUARMState, cp15.far_el[1]),
       .resetvalue = 0, },
     REGINFO_SENTINEL
 };
@@ -3425,8 +3425,8 @@ void arm_cpu_do_interrupt(CPUState *cs)
         /* Fall through to prefetch abort.  */
     case EXCP_PREFETCH_ABORT:
         env->cp15.ifsr_el2 = env->exception.fsr;
-        env->cp15.far_el1 = deposit64(env->cp15.far_el1, 32, 32,
-                                      env->exception.vaddress);
+        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);
         new_mode = ARM_CPU_MODE_ABT;
@@ -3436,8 +3436,8 @@ void arm_cpu_do_interrupt(CPUState *cs)
         break;
     case EXCP_DATA_ABORT:
         env->cp15.esr_el[1] = env->exception.fsr;
-        env->cp15.far_el1 = deposit64(env->cp15.far_el1, 0, 32,
-                                      env->exception.vaddress);
+        env->cp15.far_el[1] = deposit64(env->cp15.far_el[1], 0, 32,
+                                        env->exception.vaddress);
         qemu_log_mask(CPU_LOG_INT, "...with DFSR 0x%x DFAR 0x%x\n",
                       (uint32_t)env->cp15.esr_el[1],
                       (uint32_t)env->exception.vaddress);