diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2010-11-24 15:20:07 +0000 |
|---|---|---|
| committer | Riku Voipio <riku.voipio@nokia.com> | 2010-12-03 15:09:39 +0200 |
| commit | 08e11256f6a0caae9b8f18fb6a71359b590d97c6 (patch) | |
| tree | 10c858b5e54c9a9b1e02100f790ab006620da188 /linux-user | |
| parent | 5f9099d9cee0e9ed377aee705ca9f4db75e8948d (diff) | |
ARM: linux-user: Expose iWMMXT registers to signal handlers
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@nokia.com>
Diffstat (limited to 'linux-user')
| -rw-r--r-- | linux-user/signal.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/linux-user/signal.c b/linux-user/signal.c index 63d893b876..b4b610bd18 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -1130,7 +1130,21 @@ struct target_vfp_sigframe { struct target_user_vfp_exc ufp_exc; } __attribute__((__aligned__(8))); +struct target_iwmmxt_sigframe { + abi_ulong magic; + abi_ulong size; + uint64_t regs[16]; + /* Note that not all the coprocessor control registers are stored here */ + uint32_t wcssf; + uint32_t wcasf; + uint32_t wcgr0; + uint32_t wcgr1; + uint32_t wcgr2; + uint32_t wcgr3; +} __attribute__((__aligned__(8))); + #define TARGET_VFP_MAGIC 0x56465001 +#define TARGET_IWMMXT_MAGIC 0x12ef842a struct sigframe_v1 { @@ -1292,6 +1306,25 @@ static abi_ulong *setup_sigframe_v2_vfp(abi_ulong *regspace, CPUState *env) return (abi_ulong*)(vfpframe+1); } +static abi_ulong *setup_sigframe_v2_iwmmxt(abi_ulong *regspace, CPUState *env) +{ + int i; + struct target_iwmmxt_sigframe *iwmmxtframe; + iwmmxtframe = (struct target_iwmmxt_sigframe *)regspace; + __put_user(TARGET_IWMMXT_MAGIC, &iwmmxtframe->magic); + __put_user(sizeof(*iwmmxtframe), &iwmmxtframe->size); + for (i = 0; i < 16; i++) { + __put_user(env->iwmmxt.regs[i], &iwmmxtframe->regs[i]); + } + __put_user(env->vfp.xregs[ARM_IWMMXT_wCSSF], &iwmmxtframe->wcssf); + __put_user(env->vfp.xregs[ARM_IWMMXT_wCASF], &iwmmxtframe->wcssf); + __put_user(env->vfp.xregs[ARM_IWMMXT_wCGR0], &iwmmxtframe->wcgr0); + __put_user(env->vfp.xregs[ARM_IWMMXT_wCGR1], &iwmmxtframe->wcgr1); + __put_user(env->vfp.xregs[ARM_IWMMXT_wCGR2], &iwmmxtframe->wcgr2); + __put_user(env->vfp.xregs[ARM_IWMMXT_wCGR3], &iwmmxtframe->wcgr3); + return (abi_ulong*)(iwmmxtframe+1); +} + static void setup_sigframe_v2(struct target_ucontext_v2 *uc, target_sigset_t *set, CPUState *env) { @@ -1314,6 +1347,10 @@ static void setup_sigframe_v2(struct target_ucontext_v2 *uc, if (arm_feature(env, ARM_FEATURE_VFP)) { regspace = setup_sigframe_v2_vfp(regspace, env); } + if (arm_feature(env, ARM_FEATURE_IWMMXT)) { + regspace = setup_sigframe_v2_iwmmxt(regspace, env); + } + /* Write terminating magic word */ __put_user(0, regspace); |