#include "gdbstub.h"
#include "helper.h"
#include "host-utils.h"
-#if !defined(CONFIG_USER_ONLY)
-#include "hw/loader.h"
-#endif
#include "sysemu.h"
-static uint32_t cortexa15_cp15_c0_c1[8] = {
- 0x00001131, 0x00011011, 0x02010555, 0x00000000,
- 0x10201105, 0x20000000, 0x01240000, 0x02102211
-};
-
-static uint32_t cortexa15_cp15_c0_c2[8] = {
- 0x02101110, 0x13112111, 0x21232041, 0x11112131, 0x10011142, 0, 0, 0
-};
-
-static uint32_t cortexa9_cp15_c0_c1[8] =
-{ 0x1031, 0x11, 0x000, 0, 0x00100103, 0x20000000, 0x01230000, 0x00002111 };
-
-static uint32_t cortexa9_cp15_c0_c2[8] =
-{ 0x00101111, 0x13112111, 0x21232041, 0x11112131, 0x00111142, 0, 0, 0 };
-
-static uint32_t cortexa8_cp15_c0_c1[8] =
-{ 0x1031, 0x11, 0x400, 0, 0x31100003, 0x20000000, 0x01202000, 0x11 };
-
-static uint32_t cortexa8_cp15_c0_c2[8] =
-{ 0x00101111, 0x12112111, 0x21232031, 0x11112131, 0x00111142, 0, 0, 0 };
-
-static uint32_t mpcore_cp15_c0_c1[8] =
-{ 0x111, 0x1, 0, 0x2, 0x01100103, 0x10020302, 0x01222000, 0 };
-
-static uint32_t mpcore_cp15_c0_c2[8] =
-{ 0x00100011, 0x12002111, 0x11221011, 0x01102131, 0x141, 0, 0, 0 };
-
-static uint32_t arm1136_cp15_c0_c1[8] =
-{ 0x111, 0x1, 0x2, 0x3, 0x01130003, 0x10030302, 0x01222110, 0 };
-
-static uint32_t arm1136_cp15_c0_c2[8] =
-{ 0x00140011, 0x12002111, 0x11231111, 0x01102131, 0x141, 0, 0, 0 };
-
-static uint32_t arm1176_cp15_c0_c1[8] =
-{ 0x111, 0x11, 0x33, 0, 0x01130003, 0x10030302, 0x01222100, 0 };
-
-static uint32_t arm1176_cp15_c0_c2[8] =
-{ 0x0140011, 0x12002111, 0x11231121, 0x01102131, 0x01141, 0, 0, 0 };
-
-static uint32_t cpu_arm_find_by_name(const char *name);
-
-static inline void set_feature(CPUARMState *env, int feature)
-{
- env->features |= 1u << feature;
-}
-
-static void cpu_reset_model_id(CPUARMState *env, uint32_t id)
-{
- env->cp15.c0_cpuid = id;
- switch (id) {
- case ARM_CPUID_ARM926:
- set_feature(env, ARM_FEATURE_V5);
- set_feature(env, ARM_FEATURE_VFP);
- env->vfp.xregs[ARM_VFP_FPSID] = 0x41011090;
- env->cp15.c0_cachetype = 0x1dd20d2;
- env->cp15.c1_sys = 0x00090078;
- break;
- case ARM_CPUID_ARM946:
- set_feature(env, ARM_FEATURE_V5);
- set_feature(env, ARM_FEATURE_MPU);
- env->cp15.c0_cachetype = 0x0f004006;
- env->cp15.c1_sys = 0x00000078;
- break;
- case ARM_CPUID_ARM1026:
- set_feature(env, ARM_FEATURE_V5);
- set_feature(env, ARM_FEATURE_VFP);
- set_feature(env, ARM_FEATURE_AUXCR);
- env->vfp.xregs[ARM_VFP_FPSID] = 0x410110a0;
- env->cp15.c0_cachetype = 0x1dd20d2;
- env->cp15.c1_sys = 0x00090078;
- break;
- case ARM_CPUID_ARM1136:
- /* This is the 1136 r1, which is a v6K core */
- set_feature(env, ARM_FEATURE_V6K);
- /* Fall through */
- case ARM_CPUID_ARM1136_R2:
- /* What qemu calls "arm1136_r2" is actually the 1136 r0p2, ie an
- * older core than plain "arm1136". In particular this does not
- * have the v6K features.
- */
- set_feature(env, ARM_FEATURE_V6);
- set_feature(env, ARM_FEATURE_VFP);
- /* These ID register values are correct for 1136 but may be wrong
- * for 1136_r2 (in particular r0p2 does not actually implement most
- * of the ID registers).
- */
- env->vfp.xregs[ARM_VFP_FPSID] = 0x410120b4;
- env->vfp.xregs[ARM_VFP_MVFR0] = 0x11111111;
- env->vfp.xregs[ARM_VFP_MVFR1] = 0x00000000;
- memcpy(env->cp15.c0_c1, arm1136_cp15_c0_c1, 8 * sizeof(uint32_t));
- memcpy(env->cp15.c0_c2, arm1136_cp15_c0_c2, 8 * sizeof(uint32_t));
- env->cp15.c0_cachetype = 0x1dd20d2;
- env->cp15.c1_sys = 0x00050078;
- break;
- case ARM_CPUID_ARM1176:
- set_feature(env, ARM_FEATURE_V6K);
- set_feature(env, ARM_FEATURE_VFP);
- set_feature(env, ARM_FEATURE_VAPA);
- env->vfp.xregs[ARM_VFP_FPSID] = 0x410120b5;
- env->vfp.xregs[ARM_VFP_MVFR0] = 0x11111111;
- env->vfp.xregs[ARM_VFP_MVFR1] = 0x00000000;
- memcpy(env->cp15.c0_c1, arm1176_cp15_c0_c1, 8 * sizeof(uint32_t));
- memcpy(env->cp15.c0_c2, arm1176_cp15_c0_c2, 8 * sizeof(uint32_t));
- env->cp15.c0_cachetype = 0x1dd20d2;
- env->cp15.c1_sys = 0x00050078;
- break;
- case ARM_CPUID_ARM11MPCORE:
- set_feature(env, ARM_FEATURE_V6K);
- set_feature(env, ARM_FEATURE_VFP);
- set_feature(env, ARM_FEATURE_VAPA);
- env->vfp.xregs[ARM_VFP_FPSID] = 0x410120b4;
- env->vfp.xregs[ARM_VFP_MVFR0] = 0x11111111;
- env->vfp.xregs[ARM_VFP_MVFR1] = 0x00000000;
- memcpy(env->cp15.c0_c1, mpcore_cp15_c0_c1, 8 * sizeof(uint32_t));
- memcpy(env->cp15.c0_c2, mpcore_cp15_c0_c2, 8 * sizeof(uint32_t));
- env->cp15.c0_cachetype = 0x1dd20d2;
- break;
- case ARM_CPUID_CORTEXA8:
- set_feature(env, ARM_FEATURE_V7);
- set_feature(env, ARM_FEATURE_VFP3);
- set_feature(env, ARM_FEATURE_NEON);
- set_feature(env, ARM_FEATURE_THUMB2EE);
- env->vfp.xregs[ARM_VFP_FPSID] = 0x410330c0;
- env->vfp.xregs[ARM_VFP_MVFR0] = 0x11110222;
- env->vfp.xregs[ARM_VFP_MVFR1] = 0x00011100;
- memcpy(env->cp15.c0_c1, cortexa8_cp15_c0_c1, 8 * sizeof(uint32_t));
- memcpy(env->cp15.c0_c2, cortexa8_cp15_c0_c2, 8 * sizeof(uint32_t));
- env->cp15.c0_cachetype = 0x82048004;
- env->cp15.c0_clid = (1 << 27) | (2 << 24) | 3;
- env->cp15.c0_ccsid[0] = 0xe007e01a; /* 16k L1 dcache. */
- env->cp15.c0_ccsid[1] = 0x2007e01a; /* 16k L1 icache. */
- env->cp15.c0_ccsid[2] = 0xf0000000; /* No L2 icache. */
- env->cp15.c1_sys = 0x00c50078;
- break;
- case ARM_CPUID_CORTEXA9:
- set_feature(env, ARM_FEATURE_V7);
- set_feature(env, ARM_FEATURE_VFP3);
- set_feature(env, ARM_FEATURE_VFP_FP16);
- set_feature(env, ARM_FEATURE_NEON);
- set_feature(env, ARM_FEATURE_THUMB2EE);
- /* Note that A9 supports the MP extensions even for
- * A9UP and single-core A9MP (which are both different
- * and valid configurations; we don't model A9UP).
- */
- set_feature(env, ARM_FEATURE_V7MP);
- env->vfp.xregs[ARM_VFP_FPSID] = 0x41033090;
- env->vfp.xregs[ARM_VFP_MVFR0] = 0x11110222;
- env->vfp.xregs[ARM_VFP_MVFR1] = 0x01111111;
- memcpy(env->cp15.c0_c1, cortexa9_cp15_c0_c1, 8 * sizeof(uint32_t));
- memcpy(env->cp15.c0_c2, cortexa9_cp15_c0_c2, 8 * sizeof(uint32_t));
- env->cp15.c0_cachetype = 0x80038003;
- env->cp15.c0_clid = (1 << 27) | (1 << 24) | 3;
- env->cp15.c0_ccsid[0] = 0xe00fe015; /* 16k L1 dcache. */
- env->cp15.c0_ccsid[1] = 0x200fe015; /* 16k L1 icache. */
- env->cp15.c1_sys = 0x00c50078;
- break;
- case ARM_CPUID_CORTEXA15:
- set_feature(env, ARM_FEATURE_V7);
- set_feature(env, ARM_FEATURE_VFP4);
- set_feature(env, ARM_FEATURE_VFP_FP16);
- set_feature(env, ARM_FEATURE_NEON);
- set_feature(env, ARM_FEATURE_THUMB2EE);
- set_feature(env, ARM_FEATURE_ARM_DIV);
- set_feature(env, ARM_FEATURE_V7MP);
- set_feature(env, ARM_FEATURE_GENERIC_TIMER);
- env->vfp.xregs[ARM_VFP_FPSID] = 0x410430f0;
- env->vfp.xregs[ARM_VFP_MVFR0] = 0x10110222;
- env->vfp.xregs[ARM_VFP_MVFR1] = 0x11111111;
- memcpy(env->cp15.c0_c1, cortexa15_cp15_c0_c1, 8 * sizeof(uint32_t));
- memcpy(env->cp15.c0_c2, cortexa15_cp15_c0_c2, 8 * sizeof(uint32_t));
- env->cp15.c0_cachetype = 0x8444c004;
- env->cp15.c0_clid = 0x0a200023;
- env->cp15.c0_ccsid[0] = 0x701fe00a; /* 32K L1 dcache */
- env->cp15.c0_ccsid[1] = 0x201fe00a; /* 32K L1 icache */
- env->cp15.c0_ccsid[2] = 0x711fe07a; /* 4096K L2 unified cache */
- env->cp15.c1_sys = 0x00c50078;
- break;
- case ARM_CPUID_CORTEXM3:
- set_feature(env, ARM_FEATURE_V7);
- set_feature(env, ARM_FEATURE_M);
- break;
- case ARM_CPUID_ANY: /* For userspace emulation. */
- set_feature(env, ARM_FEATURE_V7);
- set_feature(env, ARM_FEATURE_VFP4);
- set_feature(env, ARM_FEATURE_VFP_FP16);
- set_feature(env, ARM_FEATURE_NEON);
- set_feature(env, ARM_FEATURE_THUMB2EE);
- set_feature(env, ARM_FEATURE_ARM_DIV);
- set_feature(env, ARM_FEATURE_V7MP);
- break;
- case ARM_CPUID_TI915T:
- case ARM_CPUID_TI925T:
- set_feature(env, ARM_FEATURE_V4T);
- set_feature(env, ARM_FEATURE_OMAPCP);
- env->cp15.c0_cpuid = ARM_CPUID_TI925T; /* Depends on wiring. */
- env->cp15.c0_cachetype = 0x5109149;
- env->cp15.c1_sys = 0x00000070;
- env->cp15.c15_i_max = 0x000;
- env->cp15.c15_i_min = 0xff0;
- break;
- case ARM_CPUID_PXA250:
- case ARM_CPUID_PXA255:
- case ARM_CPUID_PXA260:
- case ARM_CPUID_PXA261:
- case ARM_CPUID_PXA262:
- set_feature(env, ARM_FEATURE_V5);
- set_feature(env, ARM_FEATURE_XSCALE);
- /* JTAG_ID is ((id << 28) | 0x09265013) */
- env->cp15.c0_cachetype = 0xd172172;
- env->cp15.c1_sys = 0x00000078;
- break;
- case ARM_CPUID_PXA270_A0:
- case ARM_CPUID_PXA270_A1:
- case ARM_CPUID_PXA270_B0:
- case ARM_CPUID_PXA270_B1:
- case ARM_CPUID_PXA270_C0:
- case ARM_CPUID_PXA270_C5:
- set_feature(env, ARM_FEATURE_V5);
- set_feature(env, ARM_FEATURE_XSCALE);
- /* JTAG_ID is ((id << 28) | 0x09265013) */
- set_feature(env, ARM_FEATURE_IWMMXT);
- env->iwmmxt.cregs[ARM_IWMMXT_wCID] = 0x69051000 | 'Q';
- env->cp15.c0_cachetype = 0xd172172;
- env->cp15.c1_sys = 0x00000078;
- break;
- case ARM_CPUID_SA1100:
- case ARM_CPUID_SA1110:
- set_feature(env, ARM_FEATURE_STRONGARM);
- env->cp15.c1_sys = 0x00000070;
- break;
- default:
- cpu_abort(env, "Bad CPU ID: %x\n", id);
- break;
- }
-
- /* Some features automatically imply others: */
- if (arm_feature(env, ARM_FEATURE_V7)) {
- set_feature(env, ARM_FEATURE_VAPA);
- set_feature(env, ARM_FEATURE_THUMB2);
- if (!arm_feature(env, ARM_FEATURE_M)) {
- set_feature(env, ARM_FEATURE_V6K);
- } else {
- set_feature(env, ARM_FEATURE_V6);
- }
- }
- if (arm_feature(env, ARM_FEATURE_V6K)) {
- set_feature(env, ARM_FEATURE_V6);
- }
- if (arm_feature(env, ARM_FEATURE_V6)) {
- set_feature(env, ARM_FEATURE_V5);
- if (!arm_feature(env, ARM_FEATURE_M)) {
- set_feature(env, ARM_FEATURE_AUXCR);
- }
- }
- if (arm_feature(env, ARM_FEATURE_V5)) {
- set_feature(env, ARM_FEATURE_V4T);
- }
- if (arm_feature(env, ARM_FEATURE_M)) {
- set_feature(env, ARM_FEATURE_THUMB_DIV);
- }
- if (arm_feature(env, ARM_FEATURE_ARM_DIV)) {
- set_feature(env, ARM_FEATURE_THUMB_DIV);
- }
- if (arm_feature(env, ARM_FEATURE_VFP4)) {
- set_feature(env, ARM_FEATURE_VFP3);
- }
- if (arm_feature(env, ARM_FEATURE_VFP3)) {
- set_feature(env, ARM_FEATURE_VFP);
- }
-}
-
void cpu_state_reset(CPUARMState *env)
{
- uint32_t id;
- uint32_t tmp = 0;
-
- if (qemu_loglevel_mask(CPU_LOG_RESET)) {
- qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
- log_cpu_state(env, 0);
- }
-
- id = env->cp15.c0_cpuid;
- tmp = env->cp15.c15_config_base_address;
- memset(env, 0, offsetof(CPUARMState, breakpoints));
- if (id)
- cpu_reset_model_id(env, id);
- env->cp15.c15_config_base_address = tmp;
-#if defined (CONFIG_USER_ONLY)
- env->uncached_cpsr = ARM_CPU_MODE_USR;
- /* For user mode we must enable access to coprocessors */
- env->vfp.xregs[ARM_VFP_FPEXC] = 1 << 30;
- if (arm_feature(env, ARM_FEATURE_IWMMXT)) {
- env->cp15.c15_cpar = 3;
- } else if (arm_feature(env, ARM_FEATURE_XSCALE)) {
- env->cp15.c15_cpar = 1;
- }
-#else
- /* SVC mode with interrupts disabled. */
- env->uncached_cpsr = ARM_CPU_MODE_SVC | CPSR_A | CPSR_F | CPSR_I;
- /* On ARMv7-M the CPSR_I is the value of the PRIMASK register, and is
- clear at reset. Initial SP and PC are loaded from ROM. */
- if (IS_M(env)) {
- uint32_t pc;
- uint8_t *rom;
- env->uncached_cpsr &= ~CPSR_I;
- rom = rom_ptr(0);
- if (rom) {
- /* We should really use ldl_phys here, in case the guest
- modified flash and reset itself. However images
- loaded via -kernel have not been copied yet, so load the
- values directly from there. */
- env->regs[13] = ldl_p(rom);
- pc = ldl_p(rom + 4);
- env->thumb = pc & 1;
- env->regs[15] = pc & ~1;
- }
- }
- env->vfp.xregs[ARM_VFP_FPEXC] = 0;
- env->cp15.c2_base_mask = 0xffffc000u;
- /* v7 performance monitor control register: same implementor
- * field as main ID register, and we implement no event counters.
- */
- env->cp15.c9_pmcr = (id & 0xff000000);
-#endif
- set_flush_to_zero(1, &env->vfp.standard_fp_status);
- set_flush_inputs_to_zero(1, &env->vfp.standard_fp_status);
- set_default_nan_mode(1, &env->vfp.standard_fp_status);
- set_float_detect_tininess(float_tininess_before_rounding,
- &env->vfp.fp_status);
- set_float_detect_tininess(float_tininess_before_rounding,
- &env->vfp.standard_fp_status);
- tlb_flush(env, 1);
- /* Reset is a state change for some CPUARMState fields which we
- * bake assumptions about into translated code, so we need to
- * tb_flush().
- */
- tb_flush(env);
+ cpu_reset(ENV_GET_CPU(env));
}
static int vfp_gdb_get_reg(CPUARMState *env, uint8_t *buf, int reg)
CPUARMState *cpu_arm_init(const char *cpu_model)
{
+ ARMCPU *cpu;
CPUARMState *env;
- uint32_t id;
static int inited = 0;
- id = cpu_arm_find_by_name(cpu_model);
- if (id == 0)
+ if (!object_class_by_name(cpu_model)) {
return NULL;
- env = g_malloc0(sizeof(CPUARMState));
- cpu_exec_init(env);
+ }
+ cpu = ARM_CPU(object_new(cpu_model));
+ env = &cpu->env;
+ env->cpu_model_str = cpu_model;
+ arm_cpu_realize(cpu);
+
if (tcg_enabled() && !inited) {
inited = 1;
arm_translate_init();
}
- env->cpu_model_str = cpu_model;
- env->cp15.c0_cpuid = id;
cpu_state_reset(env);
if (arm_feature(env, ARM_FEATURE_NEON)) {
gdb_register_coprocessor(env, vfp_gdb_get_reg, vfp_gdb_set_reg,
return env;
}
-struct arm_cpu_t {
- uint32_t id;
- const char *name;
-};
-
-static const struct arm_cpu_t arm_cpu_names[] = {
- { ARM_CPUID_ARM926, "arm926"},
- { ARM_CPUID_ARM946, "arm946"},
- { ARM_CPUID_ARM1026, "arm1026"},
- { ARM_CPUID_ARM1136, "arm1136"},
- { ARM_CPUID_ARM1136_R2, "arm1136-r2"},
- { ARM_CPUID_ARM1176, "arm1176"},
- { ARM_CPUID_ARM11MPCORE, "arm11mpcore"},
- { ARM_CPUID_CORTEXM3, "cortex-m3"},
- { ARM_CPUID_CORTEXA8, "cortex-a8"},
- { ARM_CPUID_CORTEXA9, "cortex-a9"},
- { ARM_CPUID_CORTEXA15, "cortex-a15" },
- { ARM_CPUID_TI925T, "ti925t" },
- { ARM_CPUID_PXA250, "pxa250" },
- { ARM_CPUID_SA1100, "sa1100" },
- { ARM_CPUID_SA1110, "sa1110" },
- { ARM_CPUID_PXA255, "pxa255" },
- { ARM_CPUID_PXA260, "pxa260" },
- { ARM_CPUID_PXA261, "pxa261" },
- { ARM_CPUID_PXA262, "pxa262" },
- { ARM_CPUID_PXA270, "pxa270" },
- { ARM_CPUID_PXA270_A0, "pxa270-a0" },
- { ARM_CPUID_PXA270_A1, "pxa270-a1" },
- { ARM_CPUID_PXA270_B0, "pxa270-b0" },
- { ARM_CPUID_PXA270_B1, "pxa270-b1" },
- { ARM_CPUID_PXA270_C0, "pxa270-c0" },
- { ARM_CPUID_PXA270_C5, "pxa270-c5" },
- { ARM_CPUID_ANY, "any"},
- { 0, NULL}
-};
+typedef struct ARMCPUListState {
+ fprintf_function cpu_fprintf;
+ FILE *file;
+} ARMCPUListState;
-void arm_cpu_list(FILE *f, fprintf_function cpu_fprintf)
+/* Sort alphabetically by type name, except for "any". */
+static gint arm_cpu_list_compare(gconstpointer a, gconstpointer b)
{
- int i;
+ ObjectClass *class_a = (ObjectClass *)a;
+ ObjectClass *class_b = (ObjectClass *)b;
+ const char *name_a, *name_b;
- (*cpu_fprintf)(f, "Available CPUs:\n");
- for (i = 0; arm_cpu_names[i].name; i++) {
- (*cpu_fprintf)(f, " %s\n", arm_cpu_names[i].name);
+ name_a = object_class_get_name(class_a);
+ name_b = object_class_get_name(class_b);
+ if (strcmp(name_a, "any") == 0) {
+ return 1;
+ } else if (strcmp(name_b, "any") == 0) {
+ return -1;
+ } else {
+ return strcmp(name_a, name_b);
}
}
-/* return 0 if not found */
-static uint32_t cpu_arm_find_by_name(const char *name)
+static void arm_cpu_list_entry(gpointer data, gpointer user_data)
{
- int i;
- uint32_t id;
+ ObjectClass *oc = data;
+ ARMCPUListState *s = user_data;
- id = 0;
- for (i = 0; arm_cpu_names[i].name; i++) {
- if (strcmp(name, arm_cpu_names[i].name) == 0) {
- id = arm_cpu_names[i].id;
- break;
- }
- }
- return id;
+ (*s->cpu_fprintf)(s->file, " %s\n",
+ object_class_get_name(oc));
}
-void cpu_arm_close(CPUARMState *env)
+void arm_cpu_list(FILE *f, fprintf_function cpu_fprintf)
{
- g_free(env);
+ ARMCPUListState s = {
+ .file = f,
+ .cpu_fprintf = cpu_fprintf,
+ };
+ GSList *list;
+
+ list = object_class_get_list(TYPE_ARM_CPU, false);
+ list = g_slist_sort(list, arm_cpu_list_compare);
+ (*cpu_fprintf)(f, "Available CPUs:\n");
+ g_slist_foreach(list, arm_cpu_list_entry, &s);
+ g_slist_free(list);
}
static int bad_mode_switch(CPUARMState *env, int mode)
case EXCP_BKPT:
if (semihosting_enabled) {
int nr;
- nr = lduw_code(env->regs[15]) & 0xff;
+ nr = arm_lduw_code(env->regs[15], env->bswap_code) & 0xff;
if (nr == 0xab) {
env->regs[15] += 2;
env->regs[0] = do_arm_semihosting(env);
v7m_push(env, env->regs[1]);
v7m_push(env, env->regs[0]);
switch_v7m_sp(env, 0);
- env->uncached_cpsr &= ~CPSR_IT;
+ /* Clear IT bits */
+ env->condexec_bits = 0;
env->regs[14] = lr;
addr = ldl_phys(env->v7m.vecbase + env->v7m.exception * 4);
env->regs[15] = addr & 0xfffffffe;
if (semihosting_enabled) {
/* Check for semihosting interrupt. */
if (env->thumb) {
- mask = lduw_code(env->regs[15] - 2) & 0xff;
+ mask = arm_lduw_code(env->regs[15] - 2, env->bswap_code) & 0xff;
} else {
- mask = ldl_code(env->regs[15] - 4) & 0xffffff;
+ mask = arm_ldl_code(env->regs[15] - 4, env->bswap_code)
+ & 0xffffff;
}
/* Only intercept calls from privileged modes, to provide some
semblance of security. */
case EXCP_BKPT:
/* See if this is a semihosting syscall. */
if (env->thumb && semihosting_enabled) {
- mask = lduw_code(env->regs[15]) & 0xff;
+ mask = arm_lduw_code(env->regs[15], env->bswap_code) & 0xff;
if (mask == 0xab
&& (env->uncached_cpsr & CPSR_M) != ARM_CPU_MODE_USR) {
env->regs[15] += 2;
return env->cp15.c5_data;
case 1:
if (arm_feature(env, ARM_FEATURE_MPU))
- return simple_mpu_ap_bits(env->cp15.c5_data);
+ return simple_mpu_ap_bits(env->cp15.c5_insn);
return env->cp15.c5_insn;
case 2:
if (!arm_feature(env, ARM_FEATURE_MPU))
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