*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
*/
#ifndef CPU_ARM_H
#define CPU_ARM_H
#define ELF_MACHINE EM_ARM
+#define CPUState struct CPUARMState
+
#include "cpu-defs.h"
#include "softfloat.h"
#define EXCP_FIQ 6
#define EXCP_BKPT 7
#define EXCP_EXCEPTION_EXIT 8 /* Return from v7M exception. */
+#define EXCP_KERNEL_TRAP 9 /* Jumped to kernel code page. */
#define ARMV7M_EXCP_RESET 1
#define ARMV7M_EXCP_NMI 2
typedef uint32_t ARMReadCPFunc(void *opaque, int cp_info,
int dstreg, int operand);
+struct arm_boot_info;
+
#define NB_MMU_MODES 2
/* We currently assume float and double are IEEE single and double
/* cpsr flag cache for faster execution */
uint32_t CF; /* 0 or 1 */
uint32_t VF; /* V is the bit 31. All other bits are undefined */
- uint32_t NZF; /* N is bit 31. Z is computed from NZF */
+ uint32_t NF; /* N is bit 31. All other bits are undefined. */
+ uint32_t ZF; /* Z set if zero. */
uint32_t QF; /* 0 or 1 */
uint32_t GE; /* cpsr[19:16] */
uint32_t thumb; /* cpsr[5]. 0 = arm mode, 1 = thumb mode. */
struct {
uint32_t c0_cpuid;
uint32_t c0_cachetype;
+ uint32_t c0_ccsid[16]; /* Cache size. */
+ uint32_t c0_clid; /* Cache level. */
+ uint32_t c0_cssel; /* Cache size selection. */
uint32_t c0_c1[8]; /* Feature registers. */
uint32_t c0_c2[8]; /* Instruction set registers. */
uint32_t c1_sys; /* System control register. */
uint32_t c1_coproc; /* Coprocessor access register. */
uint32_t c1_xscaleauxcr; /* XScale auxiliary control register. */
+ uint32_t c1_secfg; /* Secure configuration register. */
+ uint32_t c1_sedbg; /* Secure debug enable register. */
+ uint32_t c1_nseac; /* Non-secure access control register. */
uint32_t c2_base0; /* MMU translation table base 0. */
uint32_t c2_base1; /* MMU translation table base 1. */
- uint32_t c2_mask; /* MMU translation table base mask. */
+ uint32_t c2_control; /* MMU translation table base control. */
+ uint32_t c2_mask; /* MMU translation table base selection mask. */
+ uint32_t c2_base_mask; /* MMU translation table base 0 mask. */
uint32_t c2_data; /* MPU data cachable bits. */
uint32_t c2_insn; /* MPU instruction cachable bits. */
uint32_t c3; /* MMU domain access control register
void *opaque;
} cp[15];
+ /* Thumb-2 EE state. */
+ uint32_t teecr;
+ uint32_t teehbr;
+
/* Internal CPU feature flags. */
uint32_t features;
int (*get_irq_vector)(struct CPUARMState *);
void *irq_opaque;
- /* exception/interrupt handling */
- jmp_buf jmp_env;
- int exception_index;
- int interrupt_request;
- int user_mode_only;
- int halted;
-
/* VFP coprocessor state. */
struct {
float64 regs[32];
int vec_len;
int vec_stride;
- /* Temporary variables if we don't have spare fp regs. */
- float32 tmp0s, tmp1s;
- float64 tmp0d, tmp1d;
/* scratch space when Tn are not sufficient. */
uint32_t scratch[8];
CPU_COMMON
/* These fields after the common ones so they are preserved on reset. */
- int ram_size;
- const char *kernel_filename;
- const char *kernel_cmdline;
- const char *initrd_filename;
- int board_id;
- target_phys_addr_t loader_start;
+ struct arm_boot_info *boot_info;
} CPUARMState;
CPUARMState *cpu_arm_init(const char *cpu_model);
is returned if the signal was handled by the virtual CPU. */
int cpu_arm_signal_handler(int host_signum, void *pinfo,
void *puc);
+int cpu_arm_handle_mmu_fault (CPUARMState *env, target_ulong address, int rw,
+ int mmu_idx, int is_softmuu);
void cpu_lock(void);
void cpu_unlock(void);
+static inline void cpu_set_tls(CPUARMState *env, target_ulong newtls)
+{
+ env->cp15.c13_tls2 = newtls;
+}
#define CPSR_M (0x1f)
#define CPSR_T (1 << 5)
static inline uint32_t xpsr_read(CPUARMState *env)
{
int ZF;
- ZF = (env->NZF == 0);
- return (env->NZF & 0x80000000) | (ZF << 30)
+ ZF = (env->ZF == 0);
+ return (env->NF & 0x80000000) | (ZF << 30)
| (env->CF << 29) | ((env->VF & 0x80000000) >> 3) | (env->QF << 27)
| (env->thumb << 24) | ((env->condexec_bits & 3) << 25)
| ((env->condexec_bits & 0xfc) << 8)
/* Set the xPSR. Note that some bits of mask must be all-set or all-clear. */
static inline void xpsr_write(CPUARMState *env, uint32_t val, uint32_t mask)
{
- /* NOTE: N = 1 and Z = 1 cannot be stored currently */
if (mask & CPSR_NZCV) {
- env->NZF = (val & 0xc0000000) ^ 0x40000000;
+ env->ZF = (~val) & CPSR_Z;
+ env->NF = val;
env->CF = (val >> 29) & 1;
env->VF = (val << 3) & 0x80000000;
}
ARM_FEATURE_NEON,
ARM_FEATURE_DIV,
ARM_FEATURE_M, /* Microcontroller profile. */
- ARM_FEATURE_OMAPCP /* OMAP specific CP15 ops handling. */
+ ARM_FEATURE_OMAPCP, /* OMAP specific CP15 ops handling. */
+ ARM_FEATURE_THUMB2EE,
+ ARM_FEATURE_TRUSTZONE /* TrustZone Security Extensions. */
};
static inline int arm_feature(CPUARMState *env, int feature)
#define IS_M(env) arm_feature(env, ARM_FEATURE_M)
#define ARM_CPUID(env) (env->cp15.c0_cpuid)
-#define ARM_CPUID_ARM1026 0x4106a262
-#define ARM_CPUID_ARM926 0x41069265
-#define ARM_CPUID_ARM946 0x41059461
-#define ARM_CPUID_TI915T 0x54029152
-#define ARM_CPUID_TI925T 0x54029252
-#define ARM_CPUID_PXA250 0x69052100
-#define ARM_CPUID_PXA255 0x69052d00
-#define ARM_CPUID_PXA260 0x69052903
-#define ARM_CPUID_PXA261 0x69052d05
-#define ARM_CPUID_PXA262 0x69052d06
-#define ARM_CPUID_PXA270 0x69054110
-#define ARM_CPUID_PXA270_A0 0x69054110
-#define ARM_CPUID_PXA270_A1 0x69054111
-#define ARM_CPUID_PXA270_B0 0x69054112
-#define ARM_CPUID_PXA270_B1 0x69054113
-#define ARM_CPUID_PXA270_C0 0x69054114
-#define ARM_CPUID_PXA270_C5 0x69054117
-#define ARM_CPUID_ARM1136 0x4117b363
-#define ARM_CPUID_ARM11MPCORE 0x410fb022
-#define ARM_CPUID_CORTEXA8 0x410fc080
-#define ARM_CPUID_CORTEXM3 0x410fc231
-#define ARM_CPUID_ANY 0xffffffff
+#define ARM_CPUID_ARM1026 0x4106a262
+#define ARM_CPUID_ARM926 0x41069265
+#define ARM_CPUID_ARM946 0x41059461
+#define ARM_CPUID_TI915T 0x54029152
+#define ARM_CPUID_TI925T 0x54029252
+#define ARM_CPUID_PXA250 0x69052100
+#define ARM_CPUID_PXA255 0x69052d00
+#define ARM_CPUID_PXA260 0x69052903
+#define ARM_CPUID_PXA261 0x69052d05
+#define ARM_CPUID_PXA262 0x69052d06
+#define ARM_CPUID_PXA270 0x69054110
+#define ARM_CPUID_PXA270_A0 0x69054110
+#define ARM_CPUID_PXA270_A1 0x69054111
+#define ARM_CPUID_PXA270_B0 0x69054112
+#define ARM_CPUID_PXA270_B1 0x69054113
+#define ARM_CPUID_PXA270_C0 0x69054114
+#define ARM_CPUID_PXA270_C5 0x69054117
+#define ARM_CPUID_ARM1136 0x4117b363
+#define ARM_CPUID_ARM1136_R2 0x4107b362
+#define ARM_CPUID_ARM11MPCORE 0x410fb022
+#define ARM_CPUID_CORTEXA8 0x411fc081
+#define ARM_CPUID_CORTEXA8_R2 0x412fc083
+#define ARM_CPUID_CORTEXM3 0x410fc231
+#define ARM_CPUID_ANY 0xffffffff
#if defined(CONFIG_USER_ONLY)
#define TARGET_PAGE_BITS 12
#define TARGET_PAGE_BITS 10
#endif
-#define CPUState CPUARMState
#define cpu_init cpu_arm_init
#define cpu_exec cpu_arm_exec
#define cpu_gen_code cpu_arm_gen_code
#define cpu_signal_handler cpu_arm_signal_handler
#define cpu_list arm_cpu_list
-#define ARM_CPU_SAVE_VERSION 1
+#define CPU_SAVE_VERSION 1
/* MMU modes definitions */
#define MMU_MODE0_SUFFIX _kernel
return (env->uncached_cpsr & CPSR_M) == ARM_CPU_MODE_USR ? 1 : 0;
}
+#if defined(CONFIG_USER_ONLY)
+static inline void cpu_clone_regs(CPUState *env, target_ulong newsp)
+{
+ if (newsp)
+ env->regs[13] = newsp;
+ env->regs[0] = 0;
+}
+#endif
+
#include "cpu-all.h"
+#include "exec-all.h"
+
+static inline void cpu_pc_from_tb(CPUState *env, TranslationBlock *tb)
+{
+ env->regs[15] = tb->pc;
+}
+
+static inline void cpu_get_tb_cpu_state(CPUState *env, target_ulong *pc,
+ target_ulong *cs_base, int *flags)
+{
+ *pc = env->regs[15];
+ *cs_base = 0;
+ *flags = env->thumb | (env->vfp.vec_len << 1)
+ | (env->vfp.vec_stride << 4) | (env->condexec_bits << 8);
+ if ((env->uncached_cpsr & CPSR_M) != ARM_CPU_MODE_USR)
+ *flags |= (1 << 6);
+ if (env->vfp.xregs[ARM_VFP_FPEXC] & (1 << 30))
+ *flags |= (1 << 7);
+}
#endif