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authorRalf Baechle <ralf@linux-mips.org>2000-07-12 01:56:28 +0000
committerRalf Baechle <ralf@linux-mips.org>2000-07-12 01:56:28 +0000
commit5a171ddbe0a502527368f00e663df035d1d36019 (patch)
treebf8712712f7fb0ed15d2ec33af84d7a04c3a6d7c /arch/sparc64
parentf4ae78d536e6dfaeb24c01b331fc38d950ed062b (diff)
Merge with Linux 2.4.0-test4-pre3.
Diffstat (limited to 'arch/sparc64')
-rw-r--r--arch/sparc64/kernel/entry.S57
-rw-r--r--arch/sparc64/kernel/power.c10
-rw-r--r--arch/sparc64/kernel/process.c2
-rw-r--r--arch/sparc64/kernel/time.c58
4 files changed, 66 insertions, 61 deletions
diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S
index 01363d42f..3195d3e75 100644
--- a/arch/sparc64/kernel/entry.S
+++ b/arch/sparc64/kernel/entry.S
@@ -1,4 +1,4 @@
-/* $Id: entry.S,v 1.116 2000/06/19 06:24:37 davem Exp $
+/* $Id: entry.S,v 1.117 2000/07/11 02:21:12 davem Exp $
* arch/sparc64/kernel/entry.S: Sparc64 trap low-level entry points.
*
* Copyright (C) 1995,1997 David S. Miller (davem@caip.rutgers.edu)
@@ -1094,3 +1094,58 @@ __flushw_user:
restore %g0, %g0, %g0
2: retl
nop
+
+/* This need not obtain the xtime_lock as it is coded in
+ * an implicitly SMP safe way already.
+ */
+ .align 64
+ .globl do_gettimeofday
+do_gettimeofday: /* %o0 = timevalp */
+ /* Load doubles must be used on xtime so that what we get
+ * is guarenteed to be atomic, this is why we can run this
+ * with interrupts on full blast. Don't touch this... -DaveM
+ *
+ * Note with time_t changes to the timeval type, I must now use
+ * nucleus atomic quad 128-bit loads.
+ */
+ sethi %hi(timer_tick_offset), %g3
+ sethi %hi(xtime), %g2
+ sethi %hi(timer_tick_compare), %g1
+ ldx [%g3 + %lo(timer_tick_offset)], %g3
+ or %g2, %lo(xtime), %g2
+ or %g1, %lo(timer_tick_compare), %g1
+1: ldda [%g2] ASI_NUCLEUS_QUAD_LDD, %o4
+ rd %tick, %o1
+ ldx [%g1], %g7
+ ldda [%g2] ASI_NUCLEUS_QUAD_LDD, %o2
+ xor %o4, %o2, %o2
+ xor %o5, %o3, %o3
+ orcc %o2, %o3, %g0
+ bne,pn %xcc, 1b
+ sethi %hi(wall_jiffies), %o2
+ sethi %hi(jiffies), %o3
+ ldx [%o2 + %lo(wall_jiffies)], %o2
+ ldx [%o3 + %lo(jiffies)], %o3
+ sub %o3, %o2, %o2
+ sethi %hi(timer_ticks_per_usec_quotient), %o3
+ add %g3, %o1, %o1
+ ldx [%o3 + %lo(timer_ticks_per_usec_quotient)], %o3
+ sub %o1, %g7, %o1
+ mulx %o3, %o1, %o1
+ brz,pt %o2, 1f
+ srlx %o1, 32, %o1
+ sethi %hi(10000), %g2
+ or %g2, %lo(10000), %g2
+ add %o1, %g2, %o1
+1: sethi %hi(1000000), %o2
+ srlx %o5, 32, %o5
+ or %o2, %lo(1000000), %o2
+ add %o5, %o1, %o5
+ cmp %o5, %o2
+ bl,a,pn %xcc, 1f
+ stx %o4, [%o0 + 0x0]
+ add %o4, 0x1, %o4
+ sub %o5, %o2, %o5
+ stx %o4, [%o0 + 0x0]
+1: retl
+ st %o5, [%o0 + 0x8]
diff --git a/arch/sparc64/kernel/power.c b/arch/sparc64/kernel/power.c
index ccf0c03bf..ff111278f 100644
--- a/arch/sparc64/kernel/power.c
+++ b/arch/sparc64/kernel/power.c
@@ -1,4 +1,4 @@
-/* $Id: power.c,v 1.6 2000/04/13 00:59:59 davem Exp $
+/* $Id: power.c,v 1.8 2000/07/11 22:41:33 davem Exp $
* power.c: Power management driver.
*
* Copyright (C) 1999 David S. Miller (davem@redhat.com)
@@ -35,10 +35,12 @@ static void power_handler(int irq, void *dev_id, struct pt_regs *regs)
extern void machine_halt(void);
+extern int serial_console;
+
void machine_power_off(void)
{
#ifdef CONFIG_PCI
- if (power_reg != 0UL) {
+ if (power_reg != 0UL && !serial_console) {
/* Both register bits seem to have the
* same effect, so until I figure out
* what the difference is...
@@ -53,7 +55,7 @@ void machine_power_off(void)
static int powerd(void *__unused)
{
static char *envp[] = { "HOME=/", "TERM=linux", "PATH=/sbin:/usr/sbin:/bin:/usr/bin", NULL };
- char *argv[] = { "/usr/bin/shutdown", "-h", "now", NULL };
+ char *argv[] = { "/sbin/shutdown", "-h", "now", NULL };
daemonize();
sprintf(current->comm, "powerd");
@@ -67,7 +69,7 @@ again:
}
/* Ok, down we go... */
- if (execve("/usr/bin/shutdown", argv, envp) < 0) {
+ if (execve("/sbin/shutdown", argv, envp) < 0) {
printk("powerd: shutdown execution failed\n");
button_pressed = 0;
goto again;
diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c
index a09288215..2d5d81452 100644
--- a/arch/sparc64/kernel/process.c
+++ b/arch/sparc64/kernel/process.c
@@ -1,4 +1,4 @@
-/* $Id: process.c,v 1.108 2000/06/30 10:18:38 davem Exp $
+/* $Id: process.c,v 1.109 2000/07/11 01:38:57 davem Exp $
* arch/sparc64/kernel/process.c
*
* Copyright (C) 1995, 1996 David S. Miller (davem@caip.rutgers.edu)
diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c
index 6a84d4c29..f229ea988 100644
--- a/arch/sparc64/kernel/time.c
+++ b/arch/sparc64/kernel/time.c
@@ -1,4 +1,4 @@
-/* $Id: time.c,v 1.26 2000/05/09 17:40:14 davem Exp $
+/* $Id: time.c,v 1.28 2000/07/11 02:21:12 davem Exp $
* time.c: UltraSparc timer and TOD clock support.
*
* Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
@@ -46,8 +46,8 @@ static int set_rtc_mmss(unsigned long);
* interrupts, one at level14 and one with softint bit 0.
*/
unsigned long timer_tick_offset;
-static unsigned long timer_tick_compare;
-static unsigned long timer_ticks_per_usec_quotient;
+unsigned long timer_tick_compare;
+unsigned long timer_ticks_per_usec_quotient;
static __inline__ void timer_check_rtc(void)
{
@@ -502,58 +502,6 @@ static __inline__ unsigned long do_gettimeoffset(void)
return (ticks * timer_ticks_per_usec_quotient) >> 32UL;
}
-/* This need not obtain the xtime_lock as it is coded in
- * an implicitly SMP safe way already.
- */
-void do_gettimeofday(struct timeval *tv)
-{
- /* Load doubles must be used on xtime so that what we get
- * is guarenteed to be atomic, this is why we can run this
- * with interrupts on full blast. Don't touch this... -DaveM
- *
- * Note with time_t changes to the timeval type, I must now use
- * nucleus atomic quad 128-bit loads.
- */
- __asm__ __volatile__("
- sethi %hi(timer_tick_offset), %g3
- sethi %hi(xtime), %g2
- sethi %hi(timer_tick_compare), %g1
- ldx [%g3 + %lo(timer_tick_offset)], %g3
- or %g2, %lo(xtime), %g2
- or %g1, %lo(timer_tick_compare), %g1
-1: ldda [%g2] 0x24, %o4
- rd %tick, %o1
- ldx [%g1], %g7
- ldda [%g2] 0x24, %o2
- xor %o4, %o2, %o2
- xor %o5, %o3, %o3
- orcc %o2, %o3, %g0
- bne,pn %xcc, 1b
- sethi %hi(lost_ticks), %o2
- sethi %hi(timer_ticks_per_usec_quotient), %o3
- ldx [%o2 + %lo(lost_ticks)], %o2
- add %g3, %o1, %o1
- ldx [%o3 + %lo(timer_ticks_per_usec_quotient)], %o3
- sub %o1, %g7, %o1
- mulx %o3, %o1, %o1
- brz,pt %o2, 1f
- srlx %o1, 32, %o1
- sethi %hi(10000), %g2
- or %g2, %lo(10000), %g2
- add %o1, %g2, %o1
-1: sethi %hi(1000000), %o2
- srlx %o5, 32, %o5
- or %o2, %lo(1000000), %o2
- add %o5, %o1, %o5
- cmp %o5, %o2
- bl,a,pn %xcc, 1f
- stx %o4, [%o0 + 0x0]
- add %o4, 0x1, %o4
- sub %o5, %o2, %o5
- stx %o4, [%o0 + 0x0]
-1: st %o5, [%o0 + 0x8]");
-}
-
void do_settimeofday(struct timeval *tv)
{
write_lock_irq(&xtime_lock);