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-rw-r--r--arch/xtensa/include/asm/atomic.h2
-rw-r--r--arch/xtensa/include/asm/barrier.h29
-rw-r--r--arch/xtensa/include/asm/bitops.h1
-rw-r--r--arch/xtensa/include/asm/cmpxchg.h (renamed from arch/xtensa/include/asm/system.h)67
-rw-r--r--arch/xtensa/include/asm/exec.h14
-rw-r--r--arch/xtensa/include/asm/mman.h4
-rw-r--r--arch/xtensa/include/asm/setup.h2
-rw-r--r--arch/xtensa/include/asm/socket.h4
-rw-r--r--arch/xtensa/include/asm/switch_to.h22
-rw-r--r--arch/xtensa/include/asm/uaccess.h2
-rw-r--r--arch/xtensa/kernel/pci.c17
-rw-r--r--arch/xtensa/kernel/process.c5
-rw-r--r--arch/xtensa/kernel/ptrace.c1
-rw-r--r--arch/xtensa/kernel/setup.c1
-rw-r--r--arch/xtensa/kernel/signal.c35
-rw-r--r--arch/xtensa/kernel/traps.c19
-rw-r--r--arch/xtensa/mm/fault.c1
-rw-r--r--arch/xtensa/mm/tlb.c1
-rw-r--r--arch/xtensa/platforms/iss/console.c22
19 files changed, 125 insertions, 124 deletions
diff --git a/arch/xtensa/include/asm/atomic.h b/arch/xtensa/include/asm/atomic.h
index 23592eff67a..b4098930877 100644
--- a/arch/xtensa/include/asm/atomic.h
+++ b/arch/xtensa/include/asm/atomic.h
@@ -18,7 +18,7 @@
#ifdef __KERNEL__
#include <asm/processor.h>
-#include <asm/system.h>
+#include <asm/cmpxchg.h>
#define ATOMIC_INIT(i) { (i) }
diff --git a/arch/xtensa/include/asm/barrier.h b/arch/xtensa/include/asm/barrier.h
new file mode 100644
index 00000000000..55707a8009d
--- /dev/null
+++ b/arch/xtensa/include/asm/barrier.h
@@ -0,0 +1,29 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2001 - 2005 Tensilica Inc.
+ */
+
+#ifndef _XTENSA_SYSTEM_H
+#define _XTENSA_SYSTEM_H
+
+#define smp_read_barrier_depends() do { } while(0)
+#define read_barrier_depends() do { } while(0)
+
+#define mb() barrier()
+#define rmb() mb()
+#define wmb() mb()
+
+#ifdef CONFIG_SMP
+#error smp_* not defined
+#else
+#define smp_mb() barrier()
+#define smp_rmb() barrier()
+#define smp_wmb() barrier()
+#endif
+
+#define set_mb(var, value) do { var = value; mb(); } while (0)
+
+#endif /* _XTENSA_SYSTEM_H */
diff --git a/arch/xtensa/include/asm/bitops.h b/arch/xtensa/include/asm/bitops.h
index 40aa7fe77f6..5270197ddd3 100644
--- a/arch/xtensa/include/asm/bitops.h
+++ b/arch/xtensa/include/asm/bitops.h
@@ -21,7 +21,6 @@
#include <asm/processor.h>
#include <asm/byteorder.h>
-#include <asm/system.h>
#ifdef CONFIG_SMP
# error SMP not supported on this architecture
diff --git a/arch/xtensa/include/asm/system.h b/arch/xtensa/include/asm/cmpxchg.h
index 1e7e09ab6cd..e32149063d8 100644
--- a/arch/xtensa/include/asm/system.h
+++ b/arch/xtensa/include/asm/cmpxchg.h
@@ -1,5 +1,5 @@
/*
- * include/asm-xtensa/system.h
+ * Atomic xchg and cmpxchg operations.
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
@@ -8,44 +8,12 @@
* Copyright (C) 2001 - 2005 Tensilica Inc.
*/
-#ifndef _XTENSA_SYSTEM_H
-#define _XTENSA_SYSTEM_H
+#ifndef _XTENSA_CMPXCHG_H
+#define _XTENSA_CMPXCHG_H
-#include <linux/stringify.h>
-#include <linux/irqflags.h>
-
-#include <asm/processor.h>
-
-#define smp_read_barrier_depends() do { } while(0)
-#define read_barrier_depends() do { } while(0)
-
-#define mb() barrier()
-#define rmb() mb()
-#define wmb() mb()
+#ifndef __ASSEMBLY__
-#ifdef CONFIG_SMP
-#error smp_* not defined
-#else
-#define smp_mb() barrier()
-#define smp_rmb() barrier()
-#define smp_wmb() barrier()
-#endif
-
-#define set_mb(var, value) do { var = value; mb(); } while (0)
-
-#if !defined (__ASSEMBLY__)
-
-/* * switch_to(n) should switch tasks to task nr n, first
- * checking that n isn't the current task, in which case it does nothing.
- */
-extern void *_switch_to(void *last, void *next);
-
-#endif /* __ASSEMBLY__ */
-
-#define switch_to(prev,next,last) \
-do { \
- (last) = _switch_to(prev, next); \
-} while(0)
+#include <linux/stringify.h>
/*
* cmpxchg
@@ -158,27 +126,6 @@ __xchg(unsigned long x, volatile void * ptr, int size)
return x;
}
-extern void set_except_vector(int n, void *addr);
-
-static inline void spill_registers(void)
-{
- unsigned int a0, ps;
-
- __asm__ __volatile__ (
- "movi a14," __stringify (PS_EXCM_BIT) " | 1\n\t"
- "mov a12, a0\n\t"
- "rsr a13," __stringify(SAR) "\n\t"
- "xsr a14," __stringify(PS) "\n\t"
- "movi a0, _spill_registers\n\t"
- "rsync\n\t"
- "callx0 a0\n\t"
- "mov a0, a12\n\t"
- "wsr a13," __stringify(SAR) "\n\t"
- "wsr a14," __stringify(PS) "\n\t"
- :: "a" (&a0), "a" (&ps)
- : "a2", "a3", "a4", "a7", "a11", "a12", "a13", "a14", "a15", "memory");
-}
-
-#define arch_align_stack(x) (x)
+#endif /* __ASSEMBLY__ */
-#endif /* _XTENSA_SYSTEM_H */
+#endif /* _XTENSA_CMPXCHG_H */
diff --git a/arch/xtensa/include/asm/exec.h b/arch/xtensa/include/asm/exec.h
new file mode 100644
index 00000000000..af949e28cb3
--- /dev/null
+++ b/arch/xtensa/include/asm/exec.h
@@ -0,0 +1,14 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2001 - 2005 Tensilica Inc.
+ */
+
+#ifndef _XTENSA_EXEC_H
+#define _XTENSA_EXEC_H
+
+#define arch_align_stack(x) (x)
+
+#endif /* _XTENSA_EXEC_H */
diff --git a/arch/xtensa/include/asm/mman.h b/arch/xtensa/include/asm/mman.h
index 30789010733..25bc6c1309c 100644
--- a/arch/xtensa/include/asm/mman.h
+++ b/arch/xtensa/include/asm/mman.h
@@ -86,6 +86,10 @@
#define MADV_HUGEPAGE 14 /* Worth backing with hugepages */
#define MADV_NOHUGEPAGE 15 /* Not worth backing with hugepages */
+#define MADV_DONTDUMP 16 /* Explicity exclude from the core dump,
+ overrides the coredump filter bits */
+#define MADV_DODUMP 17 /* Clear the MADV_NODUMP flag */
+
/* compatibility flags */
#define MAP_FILE 0
diff --git a/arch/xtensa/include/asm/setup.h b/arch/xtensa/include/asm/setup.h
index e3636520d8c..9fa8ad97936 100644
--- a/arch/xtensa/include/asm/setup.h
+++ b/arch/xtensa/include/asm/setup.h
@@ -13,4 +13,6 @@
#define COMMAND_LINE_SIZE 256
+extern void set_except_vector(int n, void *addr);
+
#endif
diff --git a/arch/xtensa/include/asm/socket.h b/arch/xtensa/include/asm/socket.h
index bb06968be22..e36c6818492 100644
--- a/arch/xtensa/include/asm/socket.h
+++ b/arch/xtensa/include/asm/socket.h
@@ -75,5 +75,9 @@
#define SO_WIFI_STATUS 41
#define SCM_WIFI_STATUS SO_WIFI_STATUS
+#define SO_PEEK_OFF 42
+
+/* Instruct lower device to use last 4-bytes of skb data as FCS */
+#define SO_NOFCS 43
#endif /* _XTENSA_SOCKET_H */
diff --git a/arch/xtensa/include/asm/switch_to.h b/arch/xtensa/include/asm/switch_to.h
new file mode 100644
index 00000000000..6b73bf0eb1f
--- /dev/null
+++ b/arch/xtensa/include/asm/switch_to.h
@@ -0,0 +1,22 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2001 - 2005 Tensilica Inc.
+ */
+
+#ifndef _XTENSA_SWITCH_TO_H
+#define _XTENSA_SWITCH_TO_H
+
+/* * switch_to(n) should switch tasks to task nr n, first
+ * checking that n isn't the current task, in which case it does nothing.
+ */
+extern void *_switch_to(void *last, void *next);
+
+#define switch_to(prev,next,last) \
+do { \
+ (last) = _switch_to(prev, next); \
+} while(0)
+
+#endif /* _XTENSA_SWITCH_TO_H */
diff --git a/arch/xtensa/include/asm/uaccess.h b/arch/xtensa/include/asm/uaccess.h
index 3fa526fd3c9..6e4bb3b791a 100644
--- a/arch/xtensa/include/asm/uaccess.h
+++ b/arch/xtensa/include/asm/uaccess.h
@@ -17,7 +17,9 @@
#define _XTENSA_UACCESS_H
#include <linux/errno.h>
+#ifndef __ASSEMBLY__
#include <linux/prefetch.h>
+#endif
#include <asm/types.h>
#define VERIFY_READ 0
diff --git a/arch/xtensa/kernel/pci.c b/arch/xtensa/kernel/pci.c
index 61045c192e8..eb30e356f5b 100644
--- a/arch/xtensa/kernel/pci.c
+++ b/arch/xtensa/kernel/pci.c
@@ -153,7 +153,7 @@ static void __init pci_controller_apertures(struct pci_controller *pci_ctrl,
}
res->start += io_offset;
res->end += io_offset;
- pci_add_resource(resources, res);
+ pci_add_resource_offset(resources, res, io_offset);
for (i = 0; i < 3; i++) {
res = &pci_ctrl->mem_resources[i];
@@ -200,24 +200,9 @@ subsys_initcall(pcibios_init);
void __init pcibios_fixup_bus(struct pci_bus *bus)
{
- struct pci_controller *pci_ctrl = bus->sysdata;
- struct resource *res;
- unsigned long io_offset;
- int i;
-
- io_offset = (unsigned long)pci_ctrl->io_space.base;
if (bus->parent) {
/* This is a subordinate bridge */
pci_read_bridge_bases(bus);
-
- for (i = 0; i < 4; i++) {
- if ((res = bus->resource[i]) == NULL || !res->flags)
- continue;
- if (io_offset && (res->flags & IORESOURCE_IO)) {
- res->start += io_offset;
- res->end += io_offset;
- }
- }
}
}
diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c
index 47041e7c088..6a2d6edf8f7 100644
--- a/arch/xtensa/kernel/process.c
+++ b/arch/xtensa/kernel/process.c
@@ -34,7 +34,6 @@
#include <asm/pgtable.h>
#include <asm/uaccess.h>
-#include <asm/system.h>
#include <asm/io.h>
#include <asm/processor.h>
#include <asm/platform.h>
@@ -113,9 +112,7 @@ void cpu_idle(void)
while (1) {
while (!need_resched())
platform_idle();
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
}
}
diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c
index 2dff698ab02..33eea4c16f1 100644
--- a/arch/xtensa/kernel/ptrace.c
+++ b/arch/xtensa/kernel/ptrace.c
@@ -24,7 +24,6 @@
#include <asm/pgtable.h>
#include <asm/page.h>
-#include <asm/system.h>
#include <asm/uaccess.h>
#include <asm/ptrace.h>
#include <asm/elf.h>
diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
index 1e5a034fe01..17e746f7be6 100644
--- a/arch/xtensa/kernel/setup.c
+++ b/arch/xtensa/kernel/setup.c
@@ -34,7 +34,6 @@
# include <linux/seq_file.h>
#endif
-#include <asm/system.h>
#include <asm/bootparam.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c
index f2220b5bdce..b69b000349f 100644
--- a/arch/xtensa/kernel/signal.c
+++ b/arch/xtensa/kernel/signal.c
@@ -260,10 +260,7 @@ asmlinkage long xtensa_rt_sigreturn(long a0, long a1, long a2, long a3,
goto badframe;
sigdelsetmask(&set, ~_BLOCKABLE);
- spin_lock_irq(&current->sighand->siglock);
- current->blocked = set;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
+ set_current_blocked(&set);
if (restore_sigcontext(regs, frame))
goto badframe;
@@ -336,8 +333,8 @@ gen_return_code(unsigned char *codemem)
}
-static void setup_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
- sigset_t *set, struct pt_regs *regs)
+static int setup_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
+ sigset_t *set, struct pt_regs *regs)
{
struct rt_sigframe *frame;
int err = 0;
@@ -422,12 +419,11 @@ static void setup_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
current->comm, current->pid, signal, frame, regs->pc);
#endif
- return;
+ return 0;
give_sigsegv:
- if (sig == SIGSEGV)
- ka->sa.sa_handler = SIG_DFL;
- force_sig(SIGSEGV, current);
+ force_sigsegv(sig, current);
+ return -EFAULT;
}
/*
@@ -449,11 +445,8 @@ asmlinkage long xtensa_rt_sigsuspend(sigset_t __user *unewset,
return -EFAULT;
sigdelsetmask(&newset, ~_BLOCKABLE);
- spin_lock_irq(&current->sighand->siglock);
saveset = current->blocked;
- current->blocked = newset;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
+ set_current_blocked(&newset);
regs->areg[2] = -EINTR;
while (1) {
@@ -536,17 +529,11 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
/* Whee! Actually deliver the signal. */
/* Set up the stack frame */
- setup_frame(signr, &ka, &info, oldset, regs);
-
- if (ka.sa.sa_flags & SA_ONESHOT)
- ka.sa.sa_handler = SIG_DFL;
+ ret = setup_frame(signr, &ka, &info, oldset, regs);
+ if (ret)
+ return ret;
- spin_lock_irq(&current->sighand->siglock);
- sigorsets(&current->blocked, &current->blocked, &ka.sa.sa_mask);
- if (!(ka.sa.sa_flags & SA_NODEFER))
- sigaddset(&current->blocked, signr);
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
+ block_sigmask(&ka, signr);
if (current->ptrace & PT_SINGLESTEP)
task_pt_regs(current)->icountlevel = 1;
diff --git a/arch/xtensa/kernel/traps.c b/arch/xtensa/kernel/traps.c
index e64efac3b9d..bc1e14cf936 100644
--- a/arch/xtensa/kernel/traps.c
+++ b/arch/xtensa/kernel/traps.c
@@ -381,6 +381,25 @@ static __always_inline unsigned long *stack_pointer(struct task_struct *task)
return sp;
}
+static inline void spill_registers(void)
+{
+ unsigned int a0, ps;
+
+ __asm__ __volatile__ (
+ "movi a14," __stringify (PS_EXCM_BIT) " | 1\n\t"
+ "mov a12, a0\n\t"
+ "rsr a13," __stringify(SAR) "\n\t"
+ "xsr a14," __stringify(PS) "\n\t"
+ "movi a0, _spill_registers\n\t"
+ "rsync\n\t"
+ "callx0 a0\n\t"
+ "mov a0, a12\n\t"
+ "wsr a13," __stringify(SAR) "\n\t"
+ "wsr a14," __stringify(PS) "\n\t"
+ :: "a" (&a0), "a" (&ps)
+ : "a2", "a3", "a4", "a7", "a11", "a12", "a13", "a14", "a15", "memory");
+}
+
void show_trace(struct task_struct *task, unsigned long *sp)
{
unsigned long a0, a1, pc;
diff --git a/arch/xtensa/mm/fault.c b/arch/xtensa/mm/fault.c
index e367e302643..b17885a0b50 100644
--- a/arch/xtensa/mm/fault.c
+++ b/arch/xtensa/mm/fault.c
@@ -19,7 +19,6 @@
#include <asm/cacheflush.h>
#include <asm/hardirq.h>
#include <asm/uaccess.h>
-#include <asm/system.h>
#include <asm/pgalloc.h>
unsigned long asid_cache = ASID_USER_FIRST;
diff --git a/arch/xtensa/mm/tlb.c b/arch/xtensa/mm/tlb.c
index 239461d8ea8..e2700b21395 100644
--- a/arch/xtensa/mm/tlb.c
+++ b/arch/xtensa/mm/tlb.c
@@ -18,7 +18,6 @@
#include <asm/processor.h>
#include <asm/mmu_context.h>
#include <asm/tlbflush.h>
-#include <asm/system.h>
#include <asm/cacheflush.h>
diff --git a/arch/xtensa/platforms/iss/console.c b/arch/xtensa/platforms/iss/console.c
index 2c723e8b30d..f9726f6afdf 100644
--- a/arch/xtensa/platforms/iss/console.c
+++ b/arch/xtensa/platforms/iss/console.c
@@ -19,7 +19,6 @@
#include <linux/param.h>
#include <linux/seq_file.h>
#include <linux/serial.h>
-#include <linux/serialP.h>
#include <asm/uaccess.h>
#include <asm/irq.h>
@@ -37,6 +36,7 @@
#define SERIAL_TIMER_VALUE (20 * HZ)
static struct tty_driver *serial_driver;
+static struct tty_port serial_port;
static struct timer_list serial_timer;
static DEFINE_SPINLOCK(timer_lock);
@@ -68,17 +68,10 @@ static void rs_poll(unsigned long);
static int rs_open(struct tty_struct *tty, struct file * filp)
{
- int line = tty->index;
-
- if ((line < 0) || (line >= SERIAL_MAX_NUM_LINES))
- return -ENODEV;
-
+ tty->port = &serial_port;
spin_lock(&timer_lock);
-
if (tty->count == 1) {
- init_timer(&serial_timer);
- serial_timer.data = (unsigned long) tty;
- serial_timer.function = rs_poll;
+ setup_timer(&serial_timer, rs_poll, (unsigned long)tty);
mod_timer(&serial_timer, jiffies + SERIAL_TIMER_VALUE);
}
spin_unlock(&timer_lock);
@@ -99,10 +92,10 @@ static int rs_open(struct tty_struct *tty, struct file * filp)
*/
static void rs_close(struct tty_struct *tty, struct file * filp)
{
- spin_lock(&timer_lock);
+ spin_lock_bh(&timer_lock);
if (tty->count == 1)
del_timer_sync(&serial_timer);
- spin_unlock(&timer_lock);
+ spin_unlock_bh(&timer_lock);
}
@@ -210,13 +203,14 @@ static const struct tty_operations serial_ops = {
int __init rs_init(void)
{
- serial_driver = alloc_tty_driver(1);
+ tty_port_init(&serial_port);
+
+ serial_driver = alloc_tty_driver(SERIAL_MAX_NUM_LINES);
printk ("%s %s\n", serial_name, serial_version);
/* Initialize the tty_driver structure */
- serial_driver->owner = THIS_MODULE;
serial_driver->driver_name = "iss_serial";
serial_driver->name = "ttyS";
serial_driver->major = TTY_MAJOR;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-10 13:59:16 +0000