* 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 "exec.h"
-#include "helpers.h"
+#include "helper.h"
#define SIGNBIT (uint32_t)0x80000000
#define SIGNBIT64 ((uint64_t)1 << 63)
void raise_exception(int tt)
{
env->exception_index = tt;
- cpu_loop_exit();
-}
-
-/* thread support */
-
-static spinlock_t global_cpu_lock = SPIN_LOCK_UNLOCKED;
-
-void cpu_lock(void)
-{
- spin_lock(&global_cpu_lock);
-}
-
-void cpu_unlock(void)
-{
- spin_unlock(&global_cpu_lock);
+ cpu_loop_exit(env);
}
uint32_t HELPER(neon_tbl)(uint32_t ireg, uint32_t def,
if (tb) {
/* the PC is inside the translated code. It means that we have
a virtual CPU fault */
- cpu_restore_state(tb, env, pc, NULL);
+ cpu_restore_state(tb, env, pc);
}
}
raise_exception(env->exception_index);
{
env->exception_index = EXCP_HLT;
env->halted = 1;
- cpu_loop_exit();
+ cpu_loop_exit(env);
}
void HELPER(exception)(uint32_t excp)
{
env->exception_index = excp;
- cpu_loop_exit();
+ cpu_loop_exit(env);
}
uint32_t HELPER(cpsr_read)(void)
return (int32_t)x >> shift;
}
-uint32_t HELPER(ror)(uint32_t x, uint32_t i)
-{
- int shift = i & 0xff;
- if (shift == 0)
- return x;
- return (x >> shift) | (x << (32 - shift));
-}
-
uint32_t HELPER(shl_cc)(uint32_t x, uint32_t i)
{
int shift = i & 0xff;
return ((uint32_t)x >> shift) | (x << (32 - shift));
}
}
-
-uint64_t HELPER(neon_add_saturate_s64)(uint64_t src1, uint64_t src2)
-{
- uint64_t res;
-
- res = src1 + src2;
- if (((res ^ src1) & SIGNBIT64) && !((src1 ^ src2) & SIGNBIT64)) {
- env->QF = 1;
- res = ((int64_t)src1 >> 63) ^ ~SIGNBIT64;
- }
- return res;
-}
-
-uint64_t HELPER(neon_add_saturate_u64)(uint64_t src1, uint64_t src2)
-{
- uint64_t res;
-
- res = src1 + src2;
- if (res < src1) {
- env->QF = 1;
- res = ~(uint64_t)0;
- }
- return res;
-}
-
-uint64_t HELPER(neon_sub_saturate_s64)(uint64_t src1, uint64_t src2)
-{
- uint64_t res;
-
- res = src1 - src2;
- if (((res ^ src1) & SIGNBIT64) && ((src1 ^ src2) & SIGNBIT64)) {
- env->QF = 1;
- res = ((int64_t)src1 >> 63) ^ ~SIGNBIT64;
- }
- return res;
-}
-
-uint64_t HELPER(neon_sub_saturate_u64)(uint64_t src1, uint64_t src2)
-{
- uint64_t res;
-
- if (src1 < src2) {
- env->QF = 1;
- res = 0;
- } else {
- res = src1 - src2;
- }
- return res;
-}
-
-/* These need to return a pair of value, so still use T0/T1. */
-/* Transpose. Argument order is rather strange to avoid special casing
- the tranlation code.
- On input T0 = rm, T1 = rd. On output T0 = rd, T1 = rm */
-void HELPER(neon_trn_u8)(void)
-{
- uint32_t rd;
- uint32_t rm;
- rd = ((T0 & 0x00ff00ff) << 8) | (T1 & 0x00ff00ff);
- rm = ((T1 & 0xff00ff00) >> 8) | (T0 & 0xff00ff00);
- T0 = rd;
- T1 = rm;
-}
-
-void HELPER(neon_trn_u16)(void)
-{
- uint32_t rd;
- uint32_t rm;
- rd = (T0 << 16) | (T1 & 0xffff);
- rm = (T1 >> 16) | (T0 & 0xffff0000);
- T0 = rd;
- T1 = rm;
-}
-
-/* Worker routines for zip and unzip. */
-void HELPER(neon_unzip_u8)(void)
-{
- uint32_t rd;
- uint32_t rm;
- rd = (T0 & 0xff) | ((T0 >> 8) & 0xff00)
- | ((T1 << 16) & 0xff0000) | ((T1 << 8) & 0xff000000);
- rm = ((T0 >> 8) & 0xff) | ((T0 >> 16) & 0xff00)
- | ((T1 << 8) & 0xff0000) | (T1 & 0xff000000);
- T0 = rd;
- T1 = rm;
-}
-
-void HELPER(neon_zip_u8)(void)
-{
- uint32_t rd;
- uint32_t rm;
- rd = (T0 & 0xff) | ((T1 << 8) & 0xff00)
- | ((T0 << 16) & 0xff0000) | ((T1 << 24) & 0xff000000);
- rm = ((T0 >> 16) & 0xff) | ((T1 >> 8) & 0xff00)
- | ((T0 >> 8) & 0xff0000) | (T1 & 0xff000000);
- T0 = rd;
- T1 = rm;
-}
-
-void HELPER(neon_zip_u16)(void)
-{
- uint32_t tmp;
-
- tmp = (T0 & 0xffff) | (T1 << 16);
- T1 = (T1 & 0xffff0000) | (T0 >> 16);
- T0 = tmp;
-}