diff --git a/target-arm/cpu.c b/target-arm/cpu.c
index 6190091..f8534a7 100644
--- a/target-arm/cpu.c
+++ b/target-arm/cpu.c
@@ -220,6 +220,8 @@
     ARMCPU *cpu = ARM_CPU(obj);
     set_feature(&cpu->env, ARM_FEATURE_V5);
     set_feature(&cpu->env, ARM_FEATURE_VFP);
+    set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
+    set_feature(&cpu->env, ARM_FEATURE_CACHE_TEST_CLEAN);
     cpu->midr = ARM_CPUID_ARM926;
     cpu->reset_fpsid = 0x41011090;
     cpu->ctr = 0x1dd20d2;
@@ -231,6 +233,7 @@
     ARMCPU *cpu = ARM_CPU(obj);
     set_feature(&cpu->env, ARM_FEATURE_V5);
     set_feature(&cpu->env, ARM_FEATURE_MPU);
+    set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
     cpu->midr = ARM_CPUID_ARM946;
     cpu->ctr = 0x0f004006;
     cpu->reset_sctlr = 0x00000078;
@@ -242,6 +245,8 @@
     set_feature(&cpu->env, ARM_FEATURE_V5);
     set_feature(&cpu->env, ARM_FEATURE_VFP);
     set_feature(&cpu->env, ARM_FEATURE_AUXCR);
+    set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
+    set_feature(&cpu->env, ARM_FEATURE_CACHE_TEST_CLEAN);
     cpu->midr = ARM_CPUID_ARM1026;
     cpu->reset_fpsid = 0x410110a0;
     cpu->ctr = 0x1dd20d2;
@@ -260,6 +265,9 @@
      */
     set_feature(&cpu->env, ARM_FEATURE_V6);
     set_feature(&cpu->env, ARM_FEATURE_VFP);
+    set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
+    set_feature(&cpu->env, ARM_FEATURE_CACHE_DIRTY_REG);
+    set_feature(&cpu->env, ARM_FEATURE_CACHE_BLOCK_OPS);
     cpu->midr = ARM_CPUID_ARM1136_R2;
     cpu->reset_fpsid = 0x410120b4;
     cpu->mvfr0 = 0x11111111;
@@ -286,6 +294,9 @@
     set_feature(&cpu->env, ARM_FEATURE_V6K);
     set_feature(&cpu->env, ARM_FEATURE_V6);
     set_feature(&cpu->env, ARM_FEATURE_VFP);
+    set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
+    set_feature(&cpu->env, ARM_FEATURE_CACHE_DIRTY_REG);
+    set_feature(&cpu->env, ARM_FEATURE_CACHE_BLOCK_OPS);
     cpu->midr = ARM_CPUID_ARM1136;
     cpu->reset_fpsid = 0x410120b4;
     cpu->mvfr0 = 0x11111111;
@@ -312,6 +323,9 @@
     set_feature(&cpu->env, ARM_FEATURE_V6K);
     set_feature(&cpu->env, ARM_FEATURE_VFP);
     set_feature(&cpu->env, ARM_FEATURE_VAPA);
+    set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
+    set_feature(&cpu->env, ARM_FEATURE_CACHE_DIRTY_REG);
+    set_feature(&cpu->env, ARM_FEATURE_CACHE_BLOCK_OPS);
     cpu->midr = ARM_CPUID_ARM1176;
     cpu->reset_fpsid = 0x410120b5;
     cpu->mvfr0 = 0x11111111;
@@ -338,6 +352,7 @@
     set_feature(&cpu->env, ARM_FEATURE_V6K);
     set_feature(&cpu->env, ARM_FEATURE_VFP);
     set_feature(&cpu->env, ARM_FEATURE_VAPA);
+    set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
     cpu->midr = ARM_CPUID_ARM11MPCORE;
     cpu->reset_fpsid = 0x410120b4;
     cpu->mvfr0 = 0x11111111;
@@ -372,6 +387,7 @@
     set_feature(&cpu->env, ARM_FEATURE_VFP3);
     set_feature(&cpu->env, ARM_FEATURE_NEON);
     set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
+    set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
     cpu->midr = ARM_CPUID_CORTEXA8;
     cpu->reset_fpsid = 0x410330c0;
     cpu->mvfr0 = 0x11110222;
@@ -483,6 +499,7 @@
     set_feature(&cpu->env, ARM_FEATURE_ARM_DIV);
     set_feature(&cpu->env, ARM_FEATURE_V7MP);
     set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER);
+    set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
     cpu->midr = ARM_CPUID_CORTEXA15;
     cpu->reset_fpsid = 0x410430f0;
     cpu->mvfr0 = 0x10110222;
@@ -522,6 +539,7 @@
 {
     ARMCPU *cpu = ARM_CPU(obj);
     set_feature(&cpu->env, ARM_FEATURE_STRONGARM);
+    set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
     cpu->midr = ARM_CPUID_SA1100;
     cpu->reset_sctlr = 0x00000070;
 }
@@ -530,6 +548,7 @@
 {
     ARMCPU *cpu = ARM_CPU(obj);
     set_feature(&cpu->env, ARM_FEATURE_STRONGARM);
+    set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
     cpu->midr = ARM_CPUID_SA1110;
     cpu->reset_sctlr = 0x00000070;
 }
diff --git a/target-arm/cpu.h b/target-arm/cpu.h
index b94503d..02d86ca 100644
--- a/target-arm/cpu.h
+++ b/target-arm/cpu.h
@@ -387,6 +387,9 @@
     ARM_FEATURE_GENERIC_TIMER,
     ARM_FEATURE_MVFR, /* Media and VFP Feature Registers 0 and 1 */
     ARM_FEATURE_DUMMY_C15_REGS, /* RAZ/WI all of cp15 crn=15 */
+    ARM_FEATURE_CACHE_TEST_CLEAN, /* 926/1026 style test-and-clean ops */
+    ARM_FEATURE_CACHE_DIRTY_REG, /* 1136/1176 cache dirty status register */
+    ARM_FEATURE_CACHE_BLOCK_OPS, /* v6 optional cache block operations */
 };
 
 static inline int arm_feature(CPUARMState *env, int feature)
diff --git a/target-arm/helper.c b/target-arm/helper.c
index b7fc2db..907ccbf 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -161,6 +161,10 @@
       .opc1 = CP_ANY, .opc2 = 2, .access = PL1_W, .writefn = tlbiasid_write, },
     { .name = "TLBIMVAA", .cp = 15, .crn = 8, .crm = CP_ANY,
       .opc1 = CP_ANY, .opc2 = 3, .access = PL1_W, .writefn = tlbimvaa_write, },
+    /* Cache maintenance ops; some of this space may be overridden later. */
+    { .name = "CACHEMAINT", .cp = 15, .crn = 7, .crm = CP_ANY,
+      .opc1 = 0, .opc2 = CP_ANY, .access = PL1_W,
+      .type = ARM_CP_NOP | ARM_CP_OVERRIDE },
     REGINFO_SENTINEL
 };
 
@@ -622,6 +626,17 @@
     return 0;
 }
 
+static int omap_cachemaint_write(CPUARMState *env, const ARMCPRegInfo *ri,
+                                 uint64_t value)
+{
+    /* On OMAP there are registers indicating the max/min index of dcache lines
+     * containing a dirty line; cache flush operations have to reset these.
+     */
+    env->cp15.c15_i_max = 0x000;
+    env->cp15.c15_i_min = 0xff0;
+    return 0;
+}
+
 static const ARMCPRegInfo omap_cp_reginfo[] = {
     { .name = "DFSR", .cp = 15, .crn = 5, .crm = CP_ANY,
       .opc1 = CP_ANY, .opc2 = CP_ANY, .access = PL1_RW, .type = ARM_CP_OVERRIDE,
@@ -650,6 +665,9 @@
      * base address at $rn & ~0xfff and map size of 0x200 << ($rn & 0xfff),
      * when MMU is off.
      */
+    { .name = "OMAP_CACHEMAINT", .cp = 15, .crn = 7, .crm = CP_ANY,
+      .opc1 = 0, .opc2 = CP_ANY, .access = PL1_W, .type = ARM_CP_OVERRIDE,
+      .writefn = omap_cachemaint_write },
     REGINFO_SENTINEL
 };
 
@@ -685,6 +703,31 @@
     REGINFO_SENTINEL
 };
 
+static const ARMCPRegInfo cache_dirty_status_cp_reginfo[] = {
+    /* Cache status: RAZ because we have no cache so it's always clean */
+    { .name = "CDSR", .cp = 15, .crn = 7, .crm = 10, .opc1 = 0, .opc2 = 6,
+      .access = PL1_R, .type = ARM_CP_CONST, .resetvalue = 0 },
+    REGINFO_SENTINEL
+};
+
+static const ARMCPRegInfo cache_block_ops_cp_reginfo[] = {
+    /* We never have a a block transfer operation in progress */
+    { .name = "BXSR", .cp = 15, .crn = 7, .crm = 12, .opc1 = 0, .opc2 = 4,
+      .access = PL0_R, .type = ARM_CP_CONST, .resetvalue = 0 },
+    REGINFO_SENTINEL
+};
+
+static const ARMCPRegInfo cache_test_clean_cp_reginfo[] = {
+    /* The cache test-and-clean instructions always return (1 << 30)
+     * to indicate that there are no dirty cache lines.
+     */
+    { .name = "TC_DCACHE", .cp = 15, .crn = 7, .crm = 10, .opc1 = 0, .opc2 = 3,
+      .access = PL0_R, .type = ARM_CP_CONST, .resetvalue = (1 << 30) },
+    { .name = "TCI_DCACHE", .cp = 15, .crn = 7, .crm = 14, .opc1 = 0, .opc2 = 3,
+      .access = PL0_R, .type = ARM_CP_CONST, .resetvalue = (1 << 30) },
+    REGINFO_SENTINEL
+};
+
 void register_cp_regs_for_features(ARMCPU *cpu)
 {
     /* Register all the coprocessor registers based on feature bits */
@@ -738,6 +781,15 @@
     if (arm_feature(env, ARM_FEATURE_VAPA)) {
         define_arm_cp_regs(cpu, vapa_cp_reginfo);
     }
+    if (arm_feature(env, ARM_FEATURE_CACHE_TEST_CLEAN)) {
+        define_arm_cp_regs(cpu, cache_test_clean_cp_reginfo);
+    }
+    if (arm_feature(env, ARM_FEATURE_CACHE_DIRTY_REG)) {
+        define_arm_cp_regs(cpu, cache_dirty_status_cp_reginfo);
+    }
+    if (arm_feature(env, ARM_FEATURE_CACHE_BLOCK_OPS)) {
+        define_arm_cp_regs(cpu, cache_block_ops_cp_reginfo);
+    }
     if (arm_feature(env, ARM_FEATURE_OMAPCP)) {
         define_arm_cp_regs(cpu, omap_cp_reginfo);
     }
@@ -1896,13 +1948,6 @@
             }
         }
         break;
-    case 7: /* Cache control.  */
-        env->cp15.c15_i_max = 0x000;
-        env->cp15.c15_i_min = 0xff0;
-        if (op1 != 0) {
-            goto bad_reg;
-        }
-        break;
     case 9:
         if (arm_feature(env, ARM_FEATURE_OMAPCP))
             break;
@@ -2108,10 +2153,6 @@
 		goto bad_reg;
 	    }
         }
-    case 7: /* Cache control.  */
-        /* FIXME: Should only clear Z flag if destination is r15.  */
-        env->ZF = 0;
-        return 0;
     case 9:
         switch (crm) {
         case 0: /* Cache lockdown */