summaryrefslogtreecommitdiff
path: root/arch/parisc/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'arch/parisc/kernel')
-rw-r--r--arch/parisc/kernel/firmware.c27
-rw-r--r--arch/parisc/kernel/hardware.c13
-rw-r--r--arch/parisc/kernel/head.S7
-rw-r--r--arch/parisc/kernel/pdc_cons.c30
-rw-r--r--arch/parisc/kernel/syscall_table.S5
-rw-r--r--arch/parisc/kernel/traps.c25
6 files changed, 75 insertions, 32 deletions
diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c
index 4ab83d56974d..7177a6cd1b7f 100644
--- a/arch/parisc/kernel/firmware.c
+++ b/arch/parisc/kernel/firmware.c
@@ -1080,6 +1080,9 @@ void pdc_io_reset_devices(void)
spin_unlock_irqrestore(&pdc_lock, flags);
}
+/* locked by pdc_console_lock */
+static int __attribute__((aligned(8))) iodc_retbuf[32];
+static char __attribute__((aligned(64))) iodc_dbuf[4096];
/**
* pdc_iodc_print - Console print using IODC.
@@ -1091,24 +1094,20 @@ void pdc_io_reset_devices(void)
* Since the HP console requires CR+LF to perform a 'newline', we translate
* "\n" to "\r\n".
*/
-int pdc_iodc_print(unsigned char *str, unsigned count)
+int pdc_iodc_print(const unsigned char *str, unsigned count)
{
- /* XXX Should we spinlock posx usage */
static int posx; /* for simple TAB-Simulation... */
- int __attribute__((aligned(8))) iodc_retbuf[32];
- char __attribute__((aligned(64))) iodc_dbuf[4096];
unsigned int i;
unsigned long flags;
- memset(iodc_dbuf, 0, 4096);
- for (i = 0; i < count && i < 2048;) {
+ for (i = 0; i < count && i < 79;) {
switch(str[i]) {
case '\n':
iodc_dbuf[i+0] = '\r';
iodc_dbuf[i+1] = '\n';
i += 2;
posx = 0;
- break;
+ goto print;
case '\t':
while (posx & 7) {
iodc_dbuf[i] = ' ';
@@ -1124,6 +1123,16 @@ int pdc_iodc_print(unsigned char *str, unsigned count)
}
}
+ /* if we're at the end of line, and not already inserting a newline,
+ * insert one anyway. iodc console doesn't claim to support >79 char
+ * lines. don't account for this in the return value.
+ */
+ if (i == 79 && iodc_dbuf[i-1] != '\n') {
+ iodc_dbuf[i+0] = '\r';
+ iodc_dbuf[i+1] = '\n';
+ }
+
+print:
spin_lock_irqsave(&pdc_lock, flags);
real32_call(PAGE0->mem_cons.iodc_io,
(unsigned long)PAGE0->mem_cons.hpa, ENTRY_IO_COUT,
@@ -1142,11 +1151,9 @@ int pdc_iodc_print(unsigned char *str, unsigned count)
*/
int pdc_iodc_getc(void)
{
- unsigned long flags;
- static int __attribute__((aligned(8))) iodc_retbuf[32];
- static char __attribute__((aligned(64))) iodc_dbuf[4096];
int ch;
int status;
+ unsigned long flags;
/* Bail if no console input device. */
if (!PAGE0->mem_kbd.iodc_io)
diff --git a/arch/parisc/kernel/hardware.c b/arch/parisc/kernel/hardware.c
index 84b9611a9228..f48a640b55fb 100644
--- a/arch/parisc/kernel/hardware.c
+++ b/arch/parisc/kernel/hardware.c
@@ -274,7 +274,18 @@ static struct hp_hardware hp_hardware_list[] __devinitdata = {
{HPHW_NPROC,0x887,0x4,0x91,"Storm Peak Slow"},
{HPHW_NPROC,0x888,0x4,0x91,"Storm Peak Fast DC-"},
{HPHW_NPROC,0x889,0x4,0x91,"Storm Peak Fast"},
- {HPHW_NPROC,0x88A,0x4,0x91,"Crestone Peak"},
+ {HPHW_NPROC,0x88A,0x4,0x91,"Crestone Peak Slow"},
+ {HPHW_NPROC,0x88C,0x4,0x91,"Orca Mako+"},
+ {HPHW_NPROC,0x88D,0x4,0x91,"Rainier/Medel Mako+ Slow"},
+ {HPHW_NPROC,0x88E,0x4,0x91,"Rainier/Medel Mako+ Fast"},
+ {HPHW_NPROC,0x894,0x4,0x91,"Mt. Hamilton Fast Mako+"},
+ {HPHW_NPROC,0x895,0x4,0x91,"Storm Peak Slow Mako+"},
+ {HPHW_NPROC,0x896,0x4,0x91,"Storm Peak Fast Mako+"},
+ {HPHW_NPROC,0x897,0x4,0x91,"Storm Peak DC- Slow Mako+"},
+ {HPHW_NPROC,0x898,0x4,0x91,"Storm Peak DC- Fast Mako+"},
+ {HPHW_NPROC,0x899,0x4,0x91,"Mt. Hamilton Slow Mako+"},
+ {HPHW_NPROC,0x89B,0x4,0x91,"Crestone Peak Mako+ Slow"},
+ {HPHW_NPROC,0x89C,0x4,0x91,"Crestone Peak Mako+ Fast"},
{HPHW_A_DIRECT, 0x004, 0x0000D, 0x00, "Arrakis MUX"},
{HPHW_A_DIRECT, 0x005, 0x0000D, 0x00, "Dyun Kiuh MUX"},
{HPHW_A_DIRECT, 0x006, 0x0000D, 0x00, "Baat Kiuh AP/MUX (40299B)"},
diff --git a/arch/parisc/kernel/head.S b/arch/parisc/kernel/head.S
index a7b8859488bb..ec2482dc1beb 100644
--- a/arch/parisc/kernel/head.S
+++ b/arch/parisc/kernel/head.S
@@ -20,10 +20,11 @@
#include <asm/pgtable.h>
#include <linux/linkage.h>
+#include <linux/init.h>
.level LEVEL
- .data
+ __INITDATA
ENTRY(boot_args)
.word 0 /* arg0 */
.word 0 /* arg1 */
@@ -31,7 +32,7 @@ ENTRY(boot_args)
.word 0 /* arg3 */
END(boot_args)
- .text
+ .section .text.head
.align 4
.import init_thread_union,data
.import fault_vector_20,code /* IVA parisc 2.0 32 bit */
@@ -343,7 +344,7 @@ smp_slave_stext:
ENDPROC(stext)
#ifndef CONFIG_64BIT
- .data
+ .section .data.read_mostly
.align 4
.export $global$,data
diff --git a/arch/parisc/kernel/pdc_cons.c b/arch/parisc/kernel/pdc_cons.c
index 33b1f84441b1..ccb68090781e 100644
--- a/arch/parisc/kernel/pdc_cons.c
+++ b/arch/parisc/kernel/pdc_cons.c
@@ -52,28 +52,30 @@
#include <linux/tty.h>
#include <asm/pdc.h> /* for iodc_call() proto and friends */
+static spinlock_t pdc_console_lock = SPIN_LOCK_UNLOCKED;
static void pdc_console_write(struct console *co, const char *s, unsigned count)
{
- pdc_iodc_print(s, count);
+ int i = 0;
+ unsigned long flags;
+
+ spin_lock_irqsave(&pdc_console_lock, flags);
+ do {
+ i += pdc_iodc_print(s + i, count - i);
+ } while (i < count);
+ spin_unlock_irqrestore(&pdc_console_lock, flags);
}
-void pdc_printf(const char *fmt, ...)
+int pdc_console_poll_key(struct console *co)
{
- va_list args;
- char buf[1024];
- int i, len;
-
- va_start(args, fmt);
- len = vscnprintf(buf, sizeof(buf), fmt, args);
- va_end(args);
+ int c;
+ unsigned long flags;
- pdc_iodc_print(buf, len);
-}
+ spin_lock_irqsave(&pdc_console_lock, flags);
+ c = pdc_iodc_getc();
+ spin_unlock_irqrestore(&pdc_console_lock, flags);
-int pdc_console_poll_key(struct console *co)
-{
- return pdc_iodc_getc();
+ return c;
}
static int pdc_console_setup(struct console *co, char *options)
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index 117438e9eb2a..6b5ac38f5a99 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -401,9 +401,12 @@
ENTRY_COMP(kexec_load) /* 300 */
ENTRY_COMP(utimensat)
ENTRY_COMP(signalfd)
- ENTRY_COMP(timerfd)
+ ENTRY_SAME(ni_syscall) /* was timerfd */
ENTRY_SAME(eventfd)
ENTRY_COMP(fallocate) /* 305 */
+ ENTRY_SAME(timerfd_create)
+ ENTRY_COMP(timerfd_settime)
+ ENTRY_COMP(timerfd_gettime)
/* Nothing yet */
diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
index 99fd56939afa..9dc6dc42f9cf 100644
--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -51,6 +51,9 @@
DEFINE_SPINLOCK(pa_dbit_lock);
#endif
+void parisc_show_stack(struct task_struct *t, unsigned long *sp,
+ struct pt_regs *regs);
+
static int printbinary(char *buf, unsigned long x, int nbits)
{
unsigned long mask = 1UL << (nbits - 1);
@@ -148,6 +151,8 @@ void show_regs(struct pt_regs *regs)
print_symbol(" IAOQ[1]: %s\n", regs->iaoq[1]);
printk(level);
print_symbol(" RP(r2): %s\n", regs->gr[2]);
+
+ parisc_show_stack(current, NULL, regs);
}
@@ -181,11 +186,19 @@ static void do_show_stack(struct unwind_frame_info *info)
printk("\n");
}
-void show_stack(struct task_struct *task, unsigned long *s)
+void parisc_show_stack(struct task_struct *task, unsigned long *sp,
+ struct pt_regs *regs)
{
struct unwind_frame_info info;
+ struct task_struct *t;
+
+ t = task ? task : current;
+ if (regs) {
+ unwind_frame_init(&info, t, regs);
+ goto show_stack;
+ }
- if (!task) {
+ if (t == current) {
unsigned long sp;
HERE:
@@ -201,12 +214,18 @@ HERE:
unwind_frame_init(&info, current, &r);
}
} else {
- unwind_frame_init_from_blocked_task(&info, task);
+ unwind_frame_init_from_blocked_task(&info, t);
}
+show_stack:
do_show_stack(&info);
}
+void show_stack(struct task_struct *t, unsigned long *sp)
+{
+ return parisc_show_stack(t, sp, NULL);
+}
+
int is_valid_bugaddr(unsigned long iaoq)
{
return 1;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 05:15:46 +0000