MIPS FPU dynamic activation, part 1, by Herve Poussineau.

[qemu] / linux-user / main.c

diff --git a/linux-user/main.c b/linux-user/main.c
index 7199372..3eb573d 100644 (file)
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -1838,9 +1838,9 @@ int main(int argc, char **argv)
             env->gpr[i] = regs->regs[i];
         }
         env->PC = regs->cp0_epc;
-#ifdef MIPS_USES_FPU
-        env->CP0_Status |= (1 << CP0St_CU1);
-#endif
+        if (env->CP0_Config1 & (1 << CP0C1_FP)) {
+            env->CP0_Status |= (1 << CP0St_CU1);
+        }
     }
 #elif defined(TARGET_SH4)
     {