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| author | Peter Maydell <peter.maydell@linaro.org> | 2010-11-24 15:20:04 +0000 |
|---|---|---|
| committer | Riku Voipio <riku.voipio@nokia.com> | 2010-12-03 15:09:39 +0200 |
| commit | 0165329578eb8f40901825177c0874efb815e342 (patch) | |
| tree | e0152d7d7bd3a924f683a4649e9fc312845cafbe /target-arm/cpu.h | |
| parent | 5f0b7c888b5e626d61e0969a6c0dbf4fcf0f522c (diff) | |
| download | qemu-0165329578eb8f40901825177c0874efb815e342.zip qemu-0165329578eb8f40901825177c0874efb815e342.tar.gz qemu-0165329578eb8f40901825177c0874efb815e342.tar.bz2 | |
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/cpu.h')
| -rw-r--r-- | target-arm/cpu.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/target-arm/cpu.h b/target-arm/cpu.h index 0284bad..340933e 100644 --- a/target-arm/cpu.h +++ b/target-arm/cpu.h @@ -300,6 +300,10 @@ static inline void xpsr_write(CPUARMState *env, uint32_t val, uint32_t mask) } } +/* Return the current FPSCR value. */ +uint32_t vfp_get_fpscr(CPUARMState *env); +void vfp_set_fpscr(CPUARMState *env, uint32_t val); + enum arm_cpu_mode { ARM_CPU_MODE_USR = 0x10, ARM_CPU_MODE_FIQ = 0x11, |