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Support the MIPS32 / MIPS64 DSP ASE.

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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2005-05-31 11:49:19 +00:00
parent 10f650db1b
commit e50c0a8fa6
34 changed files with 876 additions and 139 deletions
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52
arch/mips/kernel/signal.c
View file

@ -21,6 +21,7 @@
#include <linux/unistd.h>
#include <linux/compiler.h>
#include <asm/abi.h>
#include <asm/asm.h>
#include <linux/bitops.h>
#include <asm/cacheflush.h>
@ -36,7 +37,7 @@
#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
static int do_signal(sigset_t *oldset, struct pt_regs *regs);
int do_signal(sigset_t *oldset, struct pt_regs *regs);
/*
* Atomically swap in the new signal mask, and wait for a signal.
@ -216,7 +217,7 @@ _sys_sigreturn(nabi_no_regargs struct pt_regs regs)
badframe:
force_sig(SIGSEGV, current);
}
#endif
#endif /* CONFIG_TRAD_SIGNALS */
save_static_function(sys_rt_sigreturn);
__attribute_used__ noinline static void
@ -262,7 +263,7 @@ badframe:
}
#ifdef CONFIG_TRAD_SIGNALS
static void inline setup_frame(struct k_sigaction * ka, struct pt_regs *regs,
void setup_frame(struct k_sigaction * ka, struct pt_regs *regs,
int signr, sigset_t *set)
{
struct sigframe *frame;
@ -318,7 +319,7 @@ give_sigsegv:
}
#endif
static void inline setup_rt_frame(struct k_sigaction * ka, struct pt_regs *regs,
void setup_rt_frame(struct k_sigaction * ka, struct pt_regs *regs,
int signr, sigset_t *set, siginfo_t *info)
{
struct rt_sigframe *frame;
@ -410,22 +411,10 @@ static inline void handle_signal(unsigned long sig, siginfo_t *info,
regs->regs[0] = 0; /* Don't deal with this again. */
#ifdef CONFIG_TRAD_SIGNALS
if (ka->sa.sa_flags & SA_SIGINFO) {
#else
if (1) {
#endif
#ifdef CONFIG_MIPS32_N32
if ((current->thread.mflags & MF_ABI_MASK) == MF_N32)
setup_rt_frame_n32 (ka, regs, sig, oldset, info);
else
#endif
setup_rt_frame(ka, regs, sig, oldset, info);
}
#ifdef CONFIG_TRAD_SIGNALS
if (sig_uses_siginfo(ka))
current->thread.abi->setup_rt_frame(ka, regs, sig, oldset, info);
else
setup_frame(ka, regs, sig, oldset);
#endif
current->thread.abi->setup_frame(ka, regs, sig, oldset);
spin_lock_irq(&current->sighand->siglock);
sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
@ -435,21 +424,12 @@ static inline void handle_signal(unsigned long sig, siginfo_t *info,
spin_unlock_irq(&current->sighand->siglock);
}
extern int do_signal32(sigset_t *oldset, struct pt_regs *regs);
extern int do_irix_signal(sigset_t *oldset, struct pt_regs *regs);
static int do_signal(sigset_t *oldset, struct pt_regs *regs)
int do_signal(sigset_t *oldset, struct pt_regs *regs)
{
struct k_sigaction ka;
siginfo_t info;
int signr;
#ifdef CONFIG_BINFMT_ELF32
if ((current->thread.mflags & MF_ABI_MASK) == MF_O32) {
return do_signal32(oldset, regs);
}
#endif
/*
* We want the common case to go fast, which is why we may in certain
* cases get here from kernel mode. Just return without doing anything
@ -501,18 +481,6 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, sigset_t *oldset,
{
/* deal with pending signal delivery */
if (thread_info_flags & _TIF_SIGPENDING) {
#ifdef CONFIG_BINFMT_ELF32
if (likely((current->thread.mflags & MF_ABI_MASK) == MF_O32)) {
do_signal32(oldset, regs);
return;
}
#endif
#ifdef CONFIG_BINFMT_IRIX
if (unlikely(current->personality != PER_LINUX)) {
do_irix_signal(oldset, regs);
return;
}
#endif
do_signal(oldset, regs);
current->thread.abi->do_signal(oldset, regs);
}
}