diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2013-07-16 18:44:54 +0100 |
|---|---|---|
| committer | Riku Voipio <riku.voipio@linaro.org> | 2013-07-22 21:54:15 +0300 |
| commit | f5147c93d0e7f91df0215598017a4d9d6a48f0ee (patch) | |
| tree | 64644f08c061fd7204dd23cbb7e1f187ac538b54 | |
| parent | 442a59c8ddc55f327ec0219d810fe4580177716a (diff) | |
linux-user: Enable NPTL for SPARC targets
Provide the missing cpu_set_tls(), and resolve the FIXME in
cpu_clone_regs() by clearing the carry flag for the child.
This allows us to turn on building with NPTL for SPARC.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
| -rwxr-xr-x | configure | 3 | ||||
| -rw-r--r-- | linux-user/sparc/target_cpu.h | 16 |
2 files changed, 12 insertions, 7 deletions
@@ -4262,18 +4262,15 @@ case "$target_name" in bflt="yes" ;; sparc) - target_nptl="no" ;; sparc64) TARGET_BASE_ARCH=sparc - target_nptl="no" ;; sparc32plus) TARGET_ARCH=sparc64 TARGET_BASE_ARCH=sparc TARGET_ABI_DIR=sparc echo "TARGET_ABI32=y" >> $config_target_mak - target_nptl="no" ;; s390x) ;; diff --git a/linux-user/sparc/target_cpu.h b/linux-user/sparc/target_cpu.h index 5a620a2bb7..4944d465a2 100644 --- a/linux-user/sparc/target_cpu.h +++ b/linux-user/sparc/target_cpu.h @@ -25,12 +25,20 @@ static inline void cpu_clone_regs(CPUSPARCState *env, target_ulong newsp) if (newsp) { env->regwptr[22] = newsp; } + /* syscall return for clone child: 0, and clear CF since + * this counts as a success return value. + */ env->regwptr[0] = 0; - /* FIXME: Do we also need to clear CF? */ - /* XXXXX */ - printf("HELPME: %s:%d\n", __FILE__, __LINE__); +#if defined(TARGET_SPARC64) && !defined(TARGET_ABI32) + env->xcc &= ~PSR_CARRY; +#else + env->psr &= ~PSR_CARRY; +#endif } -/* TODO: need to implement cpu_set_tls() */ +static inline void cpu_set_tls(CPUSPARCState *env, target_ulong newtls) +{ + env->gregs[7] = newtls; +} #endif |