diff options
| author | Peter Maydell | 2010-11-24 16:20:04 +0100 |
|---|---|---|
| committer | Riku Voipio | 2010-12-03 14:09:39 +0100 |
| commit | 0165329578eb8f40901825177c0874efb815e342 (patch) | |
| tree | e0152d7d7bd3a924f683a4649e9fc312845cafbe /target-arm/helper.c | |
| parent | ARM: linux-user: Correct size of padding in target_ucontext_v2 (diff) | |
| download | qemu-0165329578eb8f40901825177c0874efb815e342.tar.gz qemu-0165329578eb8f40901825177c0874efb815e342.tar.xz qemu-0165329578eb8f40901825177c0874efb815e342.zip | |
ARM: Expose vfp_get_fpscr() and vfp_set_fpscr() to C code
Expose the vfp_get_fpscr() and vfp_set_fpscr() functions to C
code as well as generated code, so we can use them to read and
write the FPSCR when saving and restoring VFP registers across
signal handlers in linux-user mode.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@nokia.com>
Diffstat (limited to 'target-arm/helper.c')
| -rw-r--r-- | target-arm/helper.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c index 94aef393e2..2a1f44860b 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -2251,6 +2251,11 @@ uint32_t HELPER(vfp_get_fpscr)(CPUState *env) return fpscr; } +uint32_t vfp_get_fpscr(CPUState *env) +{ + return HELPER(vfp_get_fpscr)(env); +} + /* Convert vfp exception flags to target form. */ static inline int vfp_exceptbits_to_host(int target_bits) { @@ -2307,6 +2312,11 @@ void HELPER(vfp_set_fpscr)(CPUState *env, uint32_t val) set_float_exception_flags(i, &env->vfp.fp_status); } +void vfp_set_fpscr(CPUState *env, uint32_t val) +{ + HELPER(vfp_set_fpscr)(env, val); +} + #define VFP_HELPER(name, p) HELPER(glue(glue(vfp_,name),p)) #define VFP_BINOP(name) \ |