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| author | Nathan Froyd <froydnj@codesourcery.com> | 2009-12-11 09:29:20 -0800 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2009-12-13 21:01:33 +0100 |
| commit | 91a759352623e4a3da969fa66626cc99241e9da2 (patch) | |
| tree | 91c34993793945574cf7e86c122a3c0b044a1f8a /target-mips/translate.c | |
| parent | f1e00a9cf326acc1f2386a72525af8859852e1df (diff) | |
| download | qemu-91a759352623e4a3da969fa66626cc99241e9da2.zip qemu-91a759352623e4a3da969fa66626cc99241e9da2.tar.gz qemu-91a759352623e4a3da969fa66626cc99241e9da2.tar.bz2 | |
target-mips: fix user-mode emulation startup
Running programs with the MIPS user-mode emulator fails during dynamic
loading, as floating-point instructions are not enabled in in
env->hflags. Move the code for doing so from fpu_init to cpu_reset so
the MIPS_HFLAG_{FPU,F64} setting doesn't get clobbered by cpu_reset
setting env->hflags to MIPS_HFLAG_UM.
The same end can be achieved by swapping the ordering of fpu_init and
cpu_reset in cpu_mips_init, but it seemed better to consolidate the
CONFIG_USER_ONLY code into a single location.
Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target-mips/translate.c')
| -rw-r--r-- | target-mips/translate.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/target-mips/translate.c b/target-mips/translate.c index ff0e590..dfea6f6 100644 --- a/target-mips/translate.c +++ b/target-mips/translate.c @@ -9845,6 +9845,14 @@ void cpu_reset (CPUMIPSState *env) env->hflags = MIPS_HFLAG_UM; /* Enable access to the SYNCI_Step register. */ env->CP0_HWREna |= (1 << 1); + if (env->CP0_Config1 & (1 << CP0C1_FP)) { + env->hflags |= MIPS_HFLAG_FPU; + } +#ifdef TARGET_MIPS64 + if (env->active_fpu.fcr0 & (1 << FCR0_F64)) { + env->hflags |= MIPS_HFLAG_F64; + } +#endif #else if (env->hflags & MIPS_HFLAG_BMASK) { /* If the exception was raised from a delay slot, |