*
* 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
*/
#if !defined (__CPU_ALPHA_H__)
#define TARGET_LONG_BITS 64
-#include "cpu-defs.h"
+#define CPUState struct CPUAlphaState
+#include "cpu-defs.h"
#include <setjmp.h>
#define TARGET_HAS_ICE 1
-#define ELF_MACHINE EM_ALPHA
+#define ELF_MACHINE EM_ALPHA
#define ICACHE_LINE_SIZE 32
#define DCACHE_LINE_SIZE 32
-#define TARGET_PAGE_BITS 12
+#define TARGET_PAGE_BITS 13
#define VA_BITS 43
/* XXX: TOFIX: most of those registers are implementation dependant */
enum {
/* Ebox IPRs */
- IPR_CC = 0xC0,
- IPR_CC_CTL = 0xC1,
- IPR_VA = 0xC2,
- IPR_VA_CTL = 0xC4,
- IPR_VA_FORM = 0xC3,
+ IPR_CC = 0xC0, /* 21264 */
+ IPR_CC_CTL = 0xC1, /* 21264 */
+#define IPR_CC_CTL_ENA_SHIFT 32
+#define IPR_CC_CTL_COUNTER_MASK 0xfffffff0UL
+ IPR_VA = 0xC2, /* 21264 */
+ IPR_VA_CTL = 0xC4, /* 21264 */
+#define IPR_VA_CTL_VA_48_SHIFT 1
+#define IPR_VA_CTL_VPTB_SHIFT 30
+ IPR_VA_FORM = 0xC3, /* 21264 */
/* Ibox IPRs */
- IPR_ITB_TAG = 0x00,
- IPR_ITB_PTE = 0x01,
- IPT_ITB_IAP = 0x02,
- IPT_ITB_IA = 0x03,
- IPT_ITB_IS = 0x04,
+ IPR_ITB_TAG = 0x00, /* 21264 */
+ IPR_ITB_PTE = 0x01, /* 21264 */
+ IPR_ITB_IAP = 0x02,
+ IPR_ITB_IA = 0x03, /* 21264 */
+ IPR_ITB_IS = 0x04, /* 21264 */
IPR_PMPC = 0x05,
- IPR_EXC_ADDR = 0x06,
- IPR_IVA_FORM = 0x07,
- IPR_CM = 0x09,
- IPR_IER = 0x0A,
- IPR_SIRR = 0x0C,
- IPR_ISUM = 0x0D,
- IPR_HW_INT_CLR = 0x0E,
+ IPR_EXC_ADDR = 0x06, /* 21264 */
+ IPR_IVA_FORM = 0x07, /* 21264 */
+ IPR_CM = 0x09, /* 21264 */
+#define IPR_CM_SHIFT 3
+#define IPR_CM_MASK (3ULL << IPR_CM_SHIFT) /* 21264 */
+ IPR_IER = 0x0A, /* 21264 */
+#define IPR_IER_MASK 0x0000007fffffe000ULL
+ IPR_IER_CM = 0x0B, /* 21264: = CM | IER */
+ IPR_SIRR = 0x0C, /* 21264 */
+#define IPR_SIRR_SHIFT 14
+#define IPR_SIRR_MASK 0x7fff
+ IPR_ISUM = 0x0D, /* 21264 */
+ IPR_HW_INT_CLR = 0x0E, /* 21264 */
IPR_EXC_SUM = 0x0F,
IPR_PAL_BASE = 0x10,
IPR_I_CTL = 0x11,
- IPR_I_STAT = 0x16,
- IPR_IC_FLUSH = 0x13,
- IPR_IC_FLUSH_ASM = 0x12,
+#define IPR_I_CTL_CHIP_ID_SHIFT 24 /* 21264 */
+#define IPR_I_CTL_BIST_FAIL (1 << 23) /* 21264 */
+#define IPR_I_CTL_IC_EN_SHIFT 2 /* 21264 */
+#define IPR_I_CTL_SDE1_SHIFT 7 /* 21264 */
+#define IPR_I_CTL_HWE_SHIFT 12 /* 21264 */
+#define IPR_I_CTL_VA_48_SHIFT 15 /* 21264 */
+#define IPR_I_CTL_SPE_SHIFT 3 /* 21264 */
+#define IPR_I_CTL_CALL_PAL_R23_SHIFT 20 /* 21264 */
+ IPR_I_STAT = 0x16, /* 21264 */
+ IPR_IC_FLUSH = 0x13, /* 21264 */
+ IPR_IC_FLUSH_ASM = 0x12, /* 21264 */
IPR_CLR_MAP = 0x15,
IPR_SLEEP = 0x17,
IPR_PCTX = 0x40,
- IPR_PCTR_CTL = 0x14,
+ IPR_PCTX_ASN = 0x01, /* field */
+#define IPR_PCTX_ASN_SHIFT 39
+ IPR_PCTX_ASTER = 0x02, /* field */
+#define IPR_PCTX_ASTER_SHIFT 5
+ IPR_PCTX_ASTRR = 0x04, /* field */
+#define IPR_PCTX_ASTRR_SHIFT 9
+ IPR_PCTX_PPCE = 0x08, /* field */
+#define IPR_PCTX_PPCE_SHIFT 1
+ IPR_PCTX_FPE = 0x10, /* field */
+#define IPR_PCTX_FPE_SHIFT 2
+ IPR_PCTX_ALL = 0x5f, /* all fields */
+ IPR_PCTR_CTL = 0x14, /* 21264 */
/* Mbox IPRs */
- IPR_DTB_TAG0 = 0x20,
- IPR_DTB_TAG1 = 0xA0,
- IPR_DTB_PTE0 = 0x21,
- IPR_DTB_PTE1 = 0xA1,
+ IPR_DTB_TAG0 = 0x20, /* 21264 */
+ IPR_DTB_TAG1 = 0xA0, /* 21264 */
+ IPR_DTB_PTE0 = 0x21, /* 21264 */
+ IPR_DTB_PTE1 = 0xA1, /* 21264 */
IPR_DTB_ALTMODE = 0xA6,
+ IPR_DTB_ALTMODE0 = 0x26, /* 21264 */
+#define IPR_DTB_ALTMODE_MASK 3
IPR_DTB_IAP = 0xA2,
- IPR_DTB_IA = 0xA3,
+ IPR_DTB_IA = 0xA3, /* 21264 */
IPR_DTB_IS0 = 0x24,
IPR_DTB_IS1 = 0xA4,
- IPR_DTB_ASN0 = 0x25,
- IPR_DTB_ASN1 = 0xA5,
- IPR_MM_STAT = 0x27,
- IPR_M_CTL = 0x28,
- IPR_DC_CTL = 0x29,
- IPR_DC_STAT = 0x2A,
+ IPR_DTB_ASN0 = 0x25, /* 21264 */
+ IPR_DTB_ASN1 = 0xA5, /* 21264 */
+#define IPR_DTB_ASN_SHIFT 56
+ IPR_MM_STAT = 0x27, /* 21264 */
+ IPR_M_CTL = 0x28, /* 21264 */
+#define IPR_M_CTL_SPE_SHIFT 1
+#define IPR_M_CTL_SPE_MASK 7
+ IPR_DC_CTL = 0x29, /* 21264 */
+ IPR_DC_STAT = 0x2A, /* 21264 */
/* Cbox IPRs */
IPR_C_DATA = 0x2B,
IPR_C_SHIFT = 0x2C,
void (*call_pal)(CPUAlphaState *env, uint32_t palcode);
};
+#define NB_MMU_MODES 4
+
struct CPUAlphaState {
uint64_t ir[31];
float64 fir[31];
uint64_t ps;
uint64_t unique;
int saved_mode; /* Used for HW_LD / HW_ST */
+ int intr_flag; /* For RC and RS */
#if TARGET_LONG_BITS > HOST_LONG_BITS
/* temporary fixed-point registers
* used to emulate 64 bits target on 32 bits hosts
*/
- target_ulong t0, t1, t2;
+ target_ulong t0, t1;
#endif
- /* */
- double ft0, ft1, ft2;
/* Those resources are used only in Qemu core */
CPU_COMMON
- jmp_buf jmp_env;
- int user_mode_only; /* user mode only simulation */
uint32_t hflags;
- int halted;
- int exception_index;
int error_code;
- int interrupt_request;
uint32_t features;
uint32_t amask;
pal_handler_t *pal_handler;
};
-#define CPUState CPUAlphaState
#define cpu_init cpu_alpha_init
#define cpu_exec cpu_alpha_exec
#define cpu_gen_code cpu_alpha_gen_code
#define cpu_signal_handler cpu_alpha_signal_handler
+/* MMU modes definitions */
+#define MMU_MODE0_SUFFIX _kernel
+#define MMU_MODE1_SUFFIX _executive
+#define MMU_MODE2_SUFFIX _supervisor
+#define MMU_MODE3_SUFFIX _user
+#define MMU_USER_IDX 3
+static inline int cpu_mmu_index (CPUState *env)
+{
+ return (env->ps >> 3) & 3;
+}
+
+#if defined(CONFIG_USER_ONLY)
+static inline void cpu_clone_regs(CPUState *env, target_ulong newsp)
+{
+ if (newsp)
+ env->ir[30] = newsp;
+ /* FIXME: Zero syscall return value. */
+}
+#endif
+
#include "cpu-all.h"
+#include "exec-all.h"
enum {
FEATURE_ASN = 0x00000001,
};
enum {
- PALCODE_CALL = 0x00000000,
- PALCODE_LD = 0x01000000,
- PALCODE_ST = 0x02000000,
- PALCODE_MFPR = 0x03000000,
- PALCODE_MTPR = 0x04000000,
- PALCODE_REI = 0x05000000,
- PALCODE_INIT = 0xF0000000,
-};
-
-enum {
IR_V0 = 0,
IR_T0 = 1,
IR_T1 = 2,
IR_ZERO = 31,
};
-CPUAlphaState * cpu_alpha_init (void);
+CPUAlphaState * cpu_alpha_init (const char *cpu_model);
int cpu_alpha_exec(CPUAlphaState *s);
/* you can call this signal handler from your SIGBUS and SIGSEGV
signal handlers to inform the virtual CPU of exceptions. non zero
is returned if the signal was handled by the virtual CPU. */
int cpu_alpha_signal_handler(int host_signum, void *pinfo,
void *puc);
+int cpu_alpha_handle_mmu_fault (CPUState *env, uint64_t address, int rw,
+ int mmu_idx, int is_softmmu);
+void do_interrupt (CPUState *env);
+
int cpu_alpha_mfpr (CPUState *env, int iprn, uint64_t *valp);
int cpu_alpha_mtpr (CPUState *env, int iprn, uint64_t val, uint64_t *oldvalp);
-void cpu_loop_exit (void);
void pal_init (CPUState *env);
+#if !defined (CONFIG_USER_ONLY)
+void call_pal (CPUState *env);
+#else
void call_pal (CPUState *env, int palcode);
+#endif
+
+static inline void cpu_pc_from_tb(CPUState *env, TranslationBlock *tb)
+{
+ env->pc = tb->pc;
+}
+
+static inline void cpu_get_tb_cpu_state(CPUState *env, target_ulong *pc,
+ target_ulong *cs_base, int *flags)
+{
+ *pc = env->pc;
+ *cs_base = 0;
+ *flags = env->ps;
+}
#endif /* !defined (__CPU_ALPHA_H__) */
projects / qemu / blobdiff