aboutsummaryrefslogtreecommitdiffstats
path: root/arch/m68k
diff options
context:
space:
mode:
Diffstat (limited to 'arch/m68k')
-rw-r--r--arch/m68k/include/asm/sigcontext.h6
-rw-r--r--arch/m68k/include/asm/ucontext.h4
-rw-r--r--arch/m68k/kernel/signal.c7
3 files changed, 17 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/sigcontext.h b/arch/m68k/include/asm/sigcontext.h
index 523db2a..1320eaa 100644
--- a/arch/m68k/include/asm/sigcontext.h
+++ b/arch/m68k/include/asm/sigcontext.h
@@ -15,9 +15,15 @@ struct sigcontext {
unsigned long sc_pc;
unsigned short sc_formatvec;
#ifndef __uClinux__
+# ifdef __mcoldfire__
+ unsigned long sc_fpregs[2][2]; /* room for two fp registers */
+ unsigned long sc_fpcntl[3];
+ unsigned char sc_fpstate[16+6*8];
+# else
unsigned long sc_fpregs[2*3]; /* room for two fp registers */
unsigned long sc_fpcntl[3];
unsigned char sc_fpstate[216];
+# endif
#endif
};
diff --git a/arch/m68k/include/asm/ucontext.h b/arch/m68k/include/asm/ucontext.h
index e4e2266..00dcc51 100644
--- a/arch/m68k/include/asm/ucontext.h
+++ b/arch/m68k/include/asm/ucontext.h
@@ -7,7 +7,11 @@ typedef greg_t gregset_t[NGREG];
typedef struct fpregset {
int f_fpcntl[3];
+#ifdef __mcoldfire__
+ int f_fpregs[8][2];
+#else
int f_fpregs[8*3];
+#endif
} fpregset_t;
struct mcontext {
diff --git a/arch/m68k/kernel/signal.c b/arch/m68k/kernel/signal.c
index de2d05d..4b38753 100644
--- a/arch/m68k/kernel/signal.c
+++ b/arch/m68k/kernel/signal.c
@@ -897,10 +897,17 @@ static void setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info,
/* Set up to return from userspace. */
err |= __put_user(frame->retcode, &frame->pretcode);
+#ifdef __mcoldfire__
+ /* movel #__NR_rt_sigreturn,d0; trap #0 */
+ err |= __put_user(0x203c0000, (long __user *)(frame->retcode + 0));
+ err |= __put_user(0x00004e40 + (__NR_rt_sigreturn << 16),
+ (long __user *)(frame->retcode + 4));
+#else
/* moveq #,d0; notb d0; trap #0 */
err |= __put_user(0x70004600 + ((__NR_rt_sigreturn ^ 0xff) << 16),
(long __user *)(frame->retcode + 0));
err |= __put_user(0x4e40, (short __user *)(frame->retcode + 4));
+#endif
if (err)
goto give_sigsegv;