* Lesser General Public License for more details.
*
* 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "dyngen-exec.h"
#include "qemu-common.h"
#include "qemu-log.h"
+#undef EAX
#define EAX (env->regs[R_EAX])
+#undef ECX
#define ECX (env->regs[R_ECX])
+#undef EDX
#define EDX (env->regs[R_EDX])
+#undef EBX
#define EBX (env->regs[R_EBX])
+#undef ESP
#define ESP (env->regs[R_ESP])
+#undef EBP
#define EBP (env->regs[R_EBP])
+#undef ESI
#define ESI (env->regs[R_ESI])
+#undef EDI
#define EDI (env->regs[R_EDI])
+#undef EIP
#define EIP (env->eip)
#define DF (env->df)
#include "exec-all.h"
/* op_helper.c */
-void do_interrupt(int intno, int is_int, int error_code,
- target_ulong next_eip, int is_hw);
-void do_interrupt_user(int intno, int is_int, int error_code,
- target_ulong next_eip);
void QEMU_NORETURN raise_exception_err(int exception_index, int error_code);
void QEMU_NORETURN raise_exception(int exception_index);
-void do_smm_enter(void);
+void QEMU_NORETURN raise_exception_env(int exception_index, CPUState *nenv);
/* n must be a constant to be efficient */
static inline target_long lshift(target_long x, int n)
#include "helper.h"
-static inline void svm_check_intercept(uint32_t type)
-{
- helper_svm_check_intercept_param(type, 0);
-}
-
#if !defined(CONFIG_USER_ONLY)
#include "softmmu_exec.h"
#endif /* !defined(CONFIG_USER_ONLY) */
-#ifdef USE_X86LDOUBLE
-/* use long double functions */
-#define floatx_to_int32 floatx80_to_int32
-#define floatx_to_int64 floatx80_to_int64
-#define floatx_to_int32_round_to_zero floatx80_to_int32_round_to_zero
-#define floatx_to_int64_round_to_zero floatx80_to_int64_round_to_zero
-#define int32_to_floatx int32_to_floatx80
-#define int64_to_floatx int64_to_floatx80
-#define float32_to_floatx float32_to_floatx80
-#define float64_to_floatx float64_to_floatx80
-#define floatx_to_float32 floatx80_to_float32
-#define floatx_to_float64 floatx80_to_float64
-#define floatx_abs floatx80_abs
-#define floatx_chs floatx80_chs
-#define floatx_round_to_int floatx80_round_to_int
-#define floatx_compare floatx80_compare
-#define floatx_compare_quiet floatx80_compare_quiet
-#else
-#define floatx_to_int32 float64_to_int32
-#define floatx_to_int64 float64_to_int64
-#define floatx_to_int32_round_to_zero float64_to_int32_round_to_zero
-#define floatx_to_int64_round_to_zero float64_to_int64_round_to_zero
-#define int32_to_floatx int32_to_float64
-#define int64_to_floatx int64_to_float64
-#define float32_to_floatx float32_to_float64
-#define float64_to_floatx(x, e) (x)
-#define floatx_to_float32 float64_to_float32
-#define floatx_to_float64(x, e) (x)
-#define floatx_abs float64_abs
-#define floatx_chs float64_chs
-#define floatx_round_to_int float64_round_to_int
-#define floatx_compare float64_compare
-#define floatx_compare_quiet float64_compare_quiet
-#endif
-
#define RC_MASK 0xc00
#define RC_NEAR 0x000
#define RC_DOWN 0x400
#define MAXTAN 9223372036854775808.0
-#ifdef USE_X86LDOUBLE
-
-/* only for x86 */
-typedef union {
- long double d;
- struct {
- unsigned long long lower;
- unsigned short upper;
- } l;
-} CPU86_LDoubleU;
-
/* the following deal with x86 long double-precision numbers */
#define MAXEXPD 0x7fff
#define EXPBIAS 16383
#define MANTD(fp) (fp.l.lower)
#define BIASEXPONENT(fp) fp.l.upper = (fp.l.upper & ~(0x7fff)) | EXPBIAS
-#else
-
-/* NOTE: arm is horrible as double 32 bit words are stored in big endian ! */
-typedef union {
- double d;
-#if !defined(WORDS_BIGENDIAN) && !defined(__arm__)
- struct {
- uint32_t lower;
- int32_t upper;
- } l;
-#else
- struct {
- int32_t upper;
- uint32_t lower;
- } l;
-#endif
-#ifndef __arm__
- int64_t ll;
-#endif
-} CPU86_LDoubleU;
-
-/* the following deal with IEEE double-precision numbers */
-#define MAXEXPD 0x7ff
-#define EXPBIAS 1023
-#define EXPD(fp) (((fp.l.upper) >> 20) & 0x7FF)
-#define SIGND(fp) ((fp.l.upper) & 0x80000000)
-#ifdef __arm__
-#define MANTD(fp) (fp.l.lower | ((uint64_t)(fp.l.upper & ((1 << 20) - 1)) << 32))
-#else
-#define MANTD(fp) (fp.ll & ((1LL << 52) - 1))
-#endif
-#define BIASEXPONENT(fp) fp.l.upper = (fp.l.upper & ~(0x7ff << 20)) | (EXPBIAS << 20)
-#endif
-
static inline void fpush(void)
{
env->fpstt = (env->fpstt - 1) & 7;
env->fpstt = (env->fpstt + 1) & 7;
}
-#ifndef USE_X86LDOUBLE
-static inline CPU86_LDouble helper_fldt(target_ulong ptr)
-{
- CPU86_LDoubleU temp;
- int upper, e;
- uint64_t ll;
-
- /* mantissa */
- upper = lduw(ptr + 8);
- /* XXX: handle overflow ? */
- e = (upper & 0x7fff) - 16383 + EXPBIAS; /* exponent */
- e |= (upper >> 4) & 0x800; /* sign */
- ll = (ldq(ptr) >> 11) & ((1LL << 52) - 1);
-#ifdef __arm__
- temp.l.upper = (e << 20) | (ll >> 32);
- temp.l.lower = ll;
-#else
- temp.ll = ll | ((uint64_t)e << 52);
-#endif
- return temp.d;
-}
-
-static inline void helper_fstt(CPU86_LDouble f, target_ulong ptr)
-{
- CPU86_LDoubleU temp;
- int e;
-
- temp.d = f;
- /* mantissa */
- stq(ptr, (MANTD(temp) << 11) | (1LL << 63));
- /* exponent + sign */
- e = EXPD(temp) - EXPBIAS + 16383;
- e |= SIGND(temp) >> 16;
- stw(ptr + 8, e);
-}
-#else
-
-/* we use memory access macros */
-
-static inline CPU86_LDouble helper_fldt(target_ulong ptr)
+static inline floatx80 helper_fldt(target_ulong ptr)
{
- CPU86_LDoubleU temp;
+ CPU_LDoubleU temp;
temp.l.lower = ldq(ptr);
temp.l.upper = lduw(ptr + 8);
return temp.d;
}
-static inline void helper_fstt(CPU86_LDouble f, target_ulong ptr)
+static inline void helper_fstt(floatx80 f, target_ulong ptr)
{
- CPU86_LDoubleU temp;
+ CPU_LDoubleU temp;
temp.d = f;
stq(ptr, temp.l.lower);
stw(ptr + 8, temp.l.upper);
}
-#endif /* USE_X86LDOUBLE */
-
#define FPUS_IE (1 << 0)
#define FPUS_DE (1 << 1)
#define FPUS_ZE (1 << 2)
(eflags & update_mask) | 0x2;
}
-static inline void env_to_regs(void)
+static inline bool cpu_has_work(CPUState *env)
{
-#ifdef reg_EAX
- EAX = env->regs[R_EAX];
-#endif
-#ifdef reg_ECX
- ECX = env->regs[R_ECX];
-#endif
-#ifdef reg_EDX
- EDX = env->regs[R_EDX];
-#endif
-#ifdef reg_EBX
- EBX = env->regs[R_EBX];
-#endif
-#ifdef reg_ESP
- ESP = env->regs[R_ESP];
-#endif
-#ifdef reg_EBP
- EBP = env->regs[R_EBP];
-#endif
-#ifdef reg_ESI
- ESI = env->regs[R_ESI];
-#endif
-#ifdef reg_EDI
- EDI = env->regs[R_EDI];
-#endif
-}
-
-static inline void regs_to_env(void)
-{
-#ifdef reg_EAX
- env->regs[R_EAX] = EAX;
-#endif
-#ifdef reg_ECX
- env->regs[R_ECX] = ECX;
-#endif
-#ifdef reg_EDX
- env->regs[R_EDX] = EDX;
-#endif
-#ifdef reg_EBX
- env->regs[R_EBX] = EBX;
-#endif
-#ifdef reg_ESP
- env->regs[R_ESP] = ESP;
-#endif
-#ifdef reg_EBP
- env->regs[R_EBP] = EBP;
-#endif
-#ifdef reg_ESI
- env->regs[R_ESI] = ESI;
-#endif
-#ifdef reg_EDI
- env->regs[R_EDI] = EDI;
-#endif
-}
-
-static inline int cpu_halted(CPUState *env) {
- /* handle exit of HALTED state */
- if (!env->halted)
- return 0;
- /* disable halt condition */
- if (((env->interrupt_request & CPU_INTERRUPT_HARD) &&
- (env->eflags & IF_MASK)) ||
- (env->interrupt_request & CPU_INTERRUPT_NMI)) {
- env->halted = 0;
- return 0;
- }
- return EXCP_HALTED;
+ return ((env->interrupt_request & CPU_INTERRUPT_HARD) &&
+ (env->eflags & IF_MASK)) ||
+ (env->interrupt_request & (CPU_INTERRUPT_NMI |
+ CPU_INTERRUPT_INIT |
+ CPU_INTERRUPT_SIPI |
+ CPU_INTERRUPT_MCE));
}
/* load efer and update the corresponding hflags. XXX: do consistency
if (env->efer & MSR_EFER_SVME)
env->hflags |= HF_SVME_MASK;
}
+
+static inline void cpu_pc_from_tb(CPUState *env, TranslationBlock *tb)
+{
+ env->eip = tb->pc - tb->cs_base;
+}
+
projects / qemu.git / blobdiff