summaryrefslogtreecommitdiff
path: root/arch/sh
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/Kconfig1
-rw-r--r--arch/sh/Kconfig.cpu2
-rw-r--r--arch/sh/include/asm/processor_32.h1
-rw-r--r--arch/sh/kernel/signal_32.c3
4 files changed, 6 insertions, 1 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index ccb866750a88..d49a5a7aa10d 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -24,6 +24,7 @@ config SUPERH
select GENERIC_SCHED_CLOCK
select GENERIC_SMP_IDLE_THREAD
select GUP_GET_PXX_LOW_HIGH if X2TLB
+ select HAS_IOPORT if HAS_IOPORT_MAP
select HAVE_ARCH_AUDITSYSCALL
select HAVE_ARCH_KGDB
select HAVE_ARCH_SECCOMP_FILTER
diff --git a/arch/sh/Kconfig.cpu b/arch/sh/Kconfig.cpu
index fff419f3d757..336c54369636 100644
--- a/arch/sh/Kconfig.cpu
+++ b/arch/sh/Kconfig.cpu
@@ -85,7 +85,7 @@ config CPU_HAS_SR_RB
that are lacking this bit must have another method in place for
accomplishing what is taken care of by the banked registers.
- See <file:Documentation/sh/register-banks.rst> for further
+ See <file:Documentation/arch/sh/register-banks.rst> for further
information on SR.RB and register banking in the kernel in general.
config CPU_HAS_PTEAEX
diff --git a/arch/sh/include/asm/processor_32.h b/arch/sh/include/asm/processor_32.h
index 27aebf1e75a2..3ef7adf739c8 100644
--- a/arch/sh/include/asm/processor_32.h
+++ b/arch/sh/include/asm/processor_32.h
@@ -50,6 +50,7 @@
#define SR_FD 0x00008000
#define SR_MD 0x40000000
+#define SR_USER_MASK 0x00000303 // M, Q, S, T bits
/*
* DSP structure and data
*/
diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c
index 90f495d35db2..a6bfc6f37491 100644
--- a/arch/sh/kernel/signal_32.c
+++ b/arch/sh/kernel/signal_32.c
@@ -115,6 +115,7 @@ static int
restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, int *r0_p)
{
unsigned int err = 0;
+ unsigned int sr = regs->sr & ~SR_USER_MASK;
#define COPY(x) err |= __get_user(regs->x, &sc->sc_##x)
COPY(regs[1]);
@@ -130,6 +131,8 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, int *r0_p
COPY(sr); COPY(pc);
#undef COPY
+ regs->sr = (regs->sr & SR_USER_MASK) | sr;
+
#ifdef CONFIG_SH_FPU
if (boot_cpu_data.flags & CPU_HAS_FPU) {
int owned_fp;