aboutsummaryrefslogtreecommitdiffstats
path: root/arch/sparc
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/include/asm/perfctr.h4
-rw-r--r--arch/sparc/include/asm/system_64.h15
-rw-r--r--arch/sparc/include/asm/thread_info_64.h25
-rw-r--r--arch/sparc/kernel/entry.h1
-rw-r--r--arch/sparc/kernel/process_64.c23
-rw-r--r--arch/sparc/kernel/rtrap_64.S54
-rw-r--r--arch/sparc/kernel/sys32.S1
-rw-r--r--arch/sparc/kernel/sys_sparc_64.c104
-rw-r--r--arch/sparc/kernel/syscalls.S23
-rw-r--r--arch/sparc/kernel/systbls.h2
-rw-r--r--arch/sparc/kernel/systbls_64.S4
-rw-r--r--arch/sparc/kernel/traps_64.c9
12 files changed, 18 insertions, 247 deletions
diff --git a/arch/sparc/include/asm/perfctr.h b/arch/sparc/include/asm/perfctr.h
index 836873002b75..8d8720a8770d 100644
--- a/arch/sparc/include/asm/perfctr.h
+++ b/arch/sparc/include/asm/perfctr.h
@@ -10,8 +10,8 @@
10 * from enumeration below. The meaning of further arguments 10 * from enumeration below. The meaning of further arguments
11 * are determined by the operation code. 11 * are determined by the operation code.
12 * 12 *
13 * int sys_perfctr(int opcode, unsigned long arg0, 13 * NOTE: This system call is no longer provided, use the perf_events
14 * unsigned long arg1, unsigned long arg2) 14 * infrastructure.
15 * 15 *
16 * Pointers which are passed by the user are pointers to 64-bit 16 * Pointers which are passed by the user are pointers to 64-bit
17 * integers. 17 * integers.
diff --git a/arch/sparc/include/asm/system_64.h b/arch/sparc/include/asm/system_64.h
index d47a98e66972..d24cfe16afc1 100644
--- a/arch/sparc/include/asm/system_64.h
+++ b/arch/sparc/include/asm/system_64.h
@@ -143,15 +143,7 @@ do { \
143 * and 2 stores in this critical code path. -DaveM 143 * and 2 stores in this critical code path. -DaveM
144 */ 144 */
145#define switch_to(prev, next, last) \ 145#define switch_to(prev, next, last) \
146do { if (test_thread_flag(TIF_PERFCTR)) { \ 146do { flush_tlb_pending(); \
147 unsigned long __tmp; \
148 read_pcr(__tmp); \
149 current_thread_info()->pcr_reg = __tmp; \
150 read_pic(__tmp); \
151 current_thread_info()->kernel_cntd0 += (unsigned int)(__tmp);\
152 current_thread_info()->kernel_cntd1 += ((__tmp) >> 32); \
153 } \
154 flush_tlb_pending(); \
155 save_and_clear_fpu(); \ 147 save_and_clear_fpu(); \
156 /* If you are tempted to conditionalize the following */ \ 148 /* If you are tempted to conditionalize the following */ \
157 /* so that ASI is only written if it changes, think again. */ \ 149 /* so that ASI is only written if it changes, think again. */ \
@@ -197,11 +189,6 @@ do { if (test_thread_flag(TIF_PERFCTR)) { \
197 "l1", "l2", "l3", "l4", "l5", "l6", "l7", \ 189 "l1", "l2", "l3", "l4", "l5", "l6", "l7", \
198 "i0", "i1", "i2", "i3", "i4", "i5", \ 190 "i0", "i1", "i2", "i3", "i4", "i5", \
199 "o0", "o1", "o2", "o3", "o4", "o5", "o7"); \ 191 "o0", "o1", "o2", "o3", "o4", "o5", "o7"); \
200 /* If you fuck with this, update ret_from_syscall code too. */ \
201 if (test_thread_flag(TIF_PERFCTR)) { \
202 write_pcr(current_thread_info()->pcr_reg); \
203 reset_pic(); \
204 } \
205} while(0) 192} while(0)
206 193
207static inline unsigned long xchg32(__volatile__ unsigned int *m, unsigned int val) 194static inline unsigned long xchg32(__volatile__ unsigned int *m, unsigned int val)
diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h
index 39be9f256e5a..9e2d9447f2ad 100644
--- a/arch/sparc/include/asm/thread_info_64.h
+++ b/arch/sparc/include/asm/thread_info_64.h
@@ -58,11 +58,6 @@ struct thread_info {
58 unsigned long gsr[7]; 58 unsigned long gsr[7];
59 unsigned long xfsr[7]; 59 unsigned long xfsr[7];
60 60
61 __u64 __user *user_cntd0;
62 __u64 __user *user_cntd1;
63 __u64 kernel_cntd0, kernel_cntd1;
64 __u64 pcr_reg;
65
66 struct restart_block restart_block; 61 struct restart_block restart_block;
67 62
68 struct pt_regs *kern_una_regs; 63 struct pt_regs *kern_una_regs;
@@ -96,15 +91,10 @@ struct thread_info {
96#define TI_RWIN_SPTRS 0x000003c8 91#define TI_RWIN_SPTRS 0x000003c8
97#define TI_GSR 0x00000400 92#define TI_GSR 0x00000400
98#define TI_XFSR 0x00000438 93#define TI_XFSR 0x00000438
99#define TI_USER_CNTD0 0x00000470 94#define TI_RESTART_BLOCK 0x00000470
100#define TI_USER_CNTD1 0x00000478 95#define TI_KUNA_REGS 0x000004a0
101#define TI_KERN_CNTD0 0x00000480 96#define TI_KUNA_INSN 0x000004a8
102#define TI_KERN_CNTD1 0x00000488 97#define TI_FPREGS 0x000004c0
103#define TI_PCR 0x00000490
104#define TI_RESTART_BLOCK 0x00000498
105#define TI_KUNA_REGS 0x000004c8
106#define TI_KUNA_INSN 0x000004d0
107#define TI_FPREGS 0x00000500
108 98
109/* We embed this in the uppermost byte of thread_info->flags */ 99/* We embed this in the uppermost byte of thread_info->flags */
110#define FAULT_CODE_WRITE 0x01 /* Write access, implies D-TLB */ 100#define FAULT_CODE_WRITE 0x01 /* Write access, implies D-TLB */
@@ -199,7 +189,7 @@ register struct thread_info *current_thread_info_reg asm("g6");
199 * 189 *
200 * On trap return we need to test several values: 190 * On trap return we need to test several values:
201 * 191 *
202 * user: need_resched, notify_resume, sigpending, wsaved, perfctr 192 * user: need_resched, notify_resume, sigpending, wsaved
203 * kernel: fpdepth 193 * kernel: fpdepth
204 * 194 *
205 * So to check for work in the kernel case we simply load the fpdepth 195 * So to check for work in the kernel case we simply load the fpdepth
@@ -220,7 +210,7 @@ register struct thread_info *current_thread_info_reg asm("g6");
220#define TIF_NOTIFY_RESUME 1 /* callback before returning to user */ 210#define TIF_NOTIFY_RESUME 1 /* callback before returning to user */
221#define TIF_SIGPENDING 2 /* signal pending */ 211#define TIF_SIGPENDING 2 /* signal pending */
222#define TIF_NEED_RESCHED 3 /* rescheduling necessary */ 212#define TIF_NEED_RESCHED 3 /* rescheduling necessary */
223#define TIF_PERFCTR 4 /* performance counters active */ 213/* flag bit 4 is available */
224#define TIF_UNALIGNED 5 /* allowed to do unaligned accesses */ 214#define TIF_UNALIGNED 5 /* allowed to do unaligned accesses */
225/* flag bit 6 is available */ 215/* flag bit 6 is available */
226#define TIF_32BIT 7 /* 32-bit binary */ 216#define TIF_32BIT 7 /* 32-bit binary */
@@ -241,7 +231,6 @@ register struct thread_info *current_thread_info_reg asm("g6");
241#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) 231#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME)
242#define _TIF_SIGPENDING (1<<TIF_SIGPENDING) 232#define _TIF_SIGPENDING (1<<TIF_SIGPENDING)
243#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) 233#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED)
244#define _TIF_PERFCTR (1<<TIF_PERFCTR)
245#define _TIF_UNALIGNED (1<<TIF_UNALIGNED) 234#define _TIF_UNALIGNED (1<<TIF_UNALIGNED)
246#define _TIF_32BIT (1<<TIF_32BIT) 235#define _TIF_32BIT (1<<TIF_32BIT)
247#define _TIF_SECCOMP (1<<TIF_SECCOMP) 236#define _TIF_SECCOMP (1<<TIF_SECCOMP)
@@ -252,7 +241,7 @@ register struct thread_info *current_thread_info_reg asm("g6");
252 241
253#define _TIF_USER_WORK_MASK ((0xff << TI_FLAG_WSAVED_SHIFT) | \ 242#define _TIF_USER_WORK_MASK ((0xff << TI_FLAG_WSAVED_SHIFT) | \
254 _TIF_DO_NOTIFY_RESUME_MASK | \ 243 _TIF_DO_NOTIFY_RESUME_MASK | \
255 _TIF_NEED_RESCHED | _TIF_PERFCTR) 244 _TIF_NEED_RESCHED)
256#define _TIF_DO_NOTIFY_RESUME_MASK (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING) 245#define _TIF_DO_NOTIFY_RESUME_MASK (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING)
257 246
258/* 247/*
diff --git a/arch/sparc/kernel/entry.h b/arch/sparc/kernel/entry.h
index 4f53a2395ac6..c011b932bb17 100644
--- a/arch/sparc/kernel/entry.h
+++ b/arch/sparc/kernel/entry.h
@@ -48,7 +48,6 @@ extern void __init boot_cpu_id_too_large(int cpu);
48extern unsigned int dcache_parity_tl1_occurred; 48extern unsigned int dcache_parity_tl1_occurred;
49extern unsigned int icache_parity_tl1_occurred; 49extern unsigned int icache_parity_tl1_occurred;
50 50
51extern asmlinkage void update_perfctrs(void);
52extern asmlinkage void sparc_breakpoint(struct pt_regs *regs); 51extern asmlinkage void sparc_breakpoint(struct pt_regs *regs);
53extern void timer_interrupt(int irq, struct pt_regs *regs); 52extern void timer_interrupt(int irq, struct pt_regs *regs);
54 53
diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
index cb70476bd8f5..a5cf3864b31f 100644
--- a/arch/sparc/kernel/process_64.c
+++ b/arch/sparc/kernel/process_64.c
@@ -352,12 +352,6 @@ void exit_thread(void)
352 else 352 else
353 t->utraps[0]--; 353 t->utraps[0]--;
354 } 354 }
355
356 if (test_and_clear_thread_flag(TIF_PERFCTR)) {
357 t->user_cntd0 = t->user_cntd1 = NULL;
358 t->pcr_reg = 0;
359 write_pcr(0);
360 }
361} 355}
362 356
363void flush_thread(void) 357void flush_thread(void)
@@ -371,13 +365,6 @@ void flush_thread(void)
371 365
372 set_thread_wsaved(0); 366 set_thread_wsaved(0);
373 367
374 /* Turn off performance counters if on. */
375 if (test_and_clear_thread_flag(TIF_PERFCTR)) {
376 t->user_cntd0 = t->user_cntd1 = NULL;
377 t->pcr_reg = 0;
378 write_pcr(0);
379 }
380
381 /* Clear FPU register state. */ 368 /* Clear FPU register state. */
382 t->fpsaved[0] = 0; 369 t->fpsaved[0] = 0;
383 370
@@ -591,16 +578,6 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
591 t->kregs->u_regs[UREG_FP] = 578 t->kregs->u_regs[UREG_FP] =
592 ((unsigned long) child_sf) - STACK_BIAS; 579 ((unsigned long) child_sf) - STACK_BIAS;
593 580
594 /* Special case, if we are spawning a kernel thread from
595 * a userspace task (usermode helper, NFS or similar), we
596 * must disable performance counters in the child because
597 * the address space and protection realm are changing.
598 */
599 if (t->flags & _TIF_PERFCTR) {
600 t->user_cntd0 = t->user_cntd1 = NULL;
601 t->pcr_reg = 0;
602 t->flags &= ~_TIF_PERFCTR;
603 }
604 t->flags |= ((long)ASI_P << TI_FLAG_CURRENT_DS_SHIFT); 581 t->flags |= ((long)ASI_P << TI_FLAG_CURRENT_DS_SHIFT);
605 t->kregs->u_regs[UREG_G6] = (unsigned long) t; 582 t->kregs->u_regs[UREG_G6] = (unsigned long) t;
606 t->kregs->u_regs[UREG_G4] = (unsigned long) t->task; 583 t->kregs->u_regs[UREG_G4] = (unsigned long) t->task;
diff --git a/arch/sparc/kernel/rtrap_64.S b/arch/sparc/kernel/rtrap_64.S
index fd3cee4d117c..e829a42b7139 100644
--- a/arch/sparc/kernel/rtrap_64.S
+++ b/arch/sparc/kernel/rtrap_64.S
@@ -65,48 +65,6 @@ __handle_user_windows:
65 ba,pt %xcc, __handle_user_windows_continue 65 ba,pt %xcc, __handle_user_windows_continue
66 66
67 andn %l1, %l4, %l1 67 andn %l1, %l4, %l1
68__handle_perfctrs:
69 call update_perfctrs
70 wrpr %g0, RTRAP_PSTATE, %pstate
71 wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate
72 ldub [%g6 + TI_WSAVED], %o2
73 brz,pt %o2, 1f
74 nop
75 /* Redo userwin+sched+sig checks */
76 call fault_in_user_windows
77
78 wrpr %g0, RTRAP_PSTATE, %pstate
79 wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate
80 ldx [%g6 + TI_FLAGS], %l0
81 andcc %l0, _TIF_NEED_RESCHED, %g0
82 be,pt %xcc, 1f
83
84 nop
85 call schedule
86 wrpr %g0, RTRAP_PSTATE, %pstate
87 wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate
88 ldx [%g6 + TI_FLAGS], %l0
891: andcc %l0, _TIF_DO_NOTIFY_RESUME_MASK, %g0
90
91 be,pt %xcc, __handle_perfctrs_continue
92 sethi %hi(TSTATE_PEF), %o0
93 mov %l5, %o1
94 add %sp, PTREGS_OFF, %o0
95 mov %l0, %o2
96 call do_notify_resume
97
98 wrpr %g0, RTRAP_PSTATE, %pstate
99 wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate
100 /* Signal delivery can modify pt_regs tstate, so we must
101 * reload it.
102 */
103 ldx [%sp + PTREGS_OFF + PT_V9_TSTATE], %l1
104 sethi %hi(0xf << 20), %l4
105 and %l1, %l4, %l4
106 andn %l1, %l4, %l1
107 ba,pt %xcc, __handle_perfctrs_continue
108
109 sethi %hi(TSTATE_PEF), %o0
110__handle_userfpu: 68__handle_userfpu:
111 rd %fprs, %l5 69 rd %fprs, %l5
112 andcc %l5, FPRS_FEF, %g0 70 andcc %l5, FPRS_FEF, %g0
@@ -191,9 +149,9 @@ rtrap_no_irq_enable:
191 * take until the next local IRQ before the signal/resched 149 * take until the next local IRQ before the signal/resched
192 * event would be handled. 150 * event would be handled.
193 * 151 *
194 * This also means that if we have to deal with performance 152 * This also means that if we have to deal with user
195 * counters or user windows, we have to redo all of these 153 * windows, we have to redo all of these sched+signal checks
196 * sched+signal checks with IRQs disabled. 154 * with IRQs disabled.
197 */ 155 */
198to_user: wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate 156to_user: wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate
199 wrpr 0, %pil 157 wrpr 0, %pil
@@ -214,12 +172,8 @@ __handle_signal_continue:
214 brnz,pn %o2, __handle_user_windows 172 brnz,pn %o2, __handle_user_windows
215 nop 173 nop
216__handle_user_windows_continue: 174__handle_user_windows_continue:
217 ldx [%g6 + TI_FLAGS], %l5
218 andcc %l5, _TIF_PERFCTR, %g0
219 sethi %hi(TSTATE_PEF), %o0 175 sethi %hi(TSTATE_PEF), %o0
220 bne,pn %xcc, __handle_perfctrs 176 andcc %l1, %o0, %g0
221__handle_perfctrs_continue:
222 andcc %l1, %o0, %g0
223 177
224 /* This fpdepth clear is necessary for non-syscall rtraps only */ 178 /* This fpdepth clear is necessary for non-syscall rtraps only */
225user_nowork: 179user_nowork:
diff --git a/arch/sparc/kernel/sys32.S b/arch/sparc/kernel/sys32.S
index e7061138c98a..46a76ba3fb4b 100644
--- a/arch/sparc/kernel/sys32.S
+++ b/arch/sparc/kernel/sys32.S
@@ -51,7 +51,6 @@ SIGN1(sys32_exit_group, sys_exit_group, %o0)
51SIGN1(sys32_wait4, compat_sys_wait4, %o2) 51SIGN1(sys32_wait4, compat_sys_wait4, %o2)
52SIGN1(sys32_creat, sys_creat, %o1) 52SIGN1(sys32_creat, sys_creat, %o1)
53SIGN1(sys32_mknod, sys_mknod, %o1) 53SIGN1(sys32_mknod, sys_mknod, %o1)
54SIGN1(sys32_perfctr, sys_perfctr, %o0)
55SIGN1(sys32_umount, sys_umount, %o1) 54SIGN1(sys32_umount, sys_umount, %o1)
56SIGN1(sys32_signal, sys_signal, %o0) 55SIGN1(sys32_signal, sys_signal, %o0)
57SIGN1(sys32_access, sys_access, %o1) 56SIGN1(sys32_access, sys_access, %o1)
diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c
index d77f54316948..cb1bef6f14b7 100644
--- a/arch/sparc/kernel/sys_sparc_64.c
+++ b/arch/sparc/kernel/sys_sparc_64.c
@@ -27,7 +27,6 @@
27 27
28#include <asm/uaccess.h> 28#include <asm/uaccess.h>
29#include <asm/utrap.h> 29#include <asm/utrap.h>
30#include <asm/perfctr.h>
31#include <asm/unistd.h> 30#include <asm/unistd.h>
32 31
33#include "entry.h" 32#include "entry.h"
@@ -766,109 +765,6 @@ SYSCALL_DEFINE5(rt_sigaction, int, sig, const struct sigaction __user *, act,
766 return ret; 765 return ret;
767} 766}
768 767
769/* Invoked by rtrap code to update performance counters in
770 * user space.
771 */
772asmlinkage void update_perfctrs(void)
773{
774 unsigned long pic, tmp;
775
776 read_pic(pic);
777 tmp = (current_thread_info()->kernel_cntd0 += (unsigned int)pic);
778 __put_user(tmp, current_thread_info()->user_cntd0);
779 tmp = (current_thread_info()->kernel_cntd1 += (pic >> 32));
780 __put_user(tmp, current_thread_info()->user_cntd1);
781 reset_pic();
782}
783
784SYSCALL_DEFINE4(perfctr, int, opcode, unsigned long, arg0,
785 unsigned long, arg1, unsigned long, arg2)
786{
787 int err = 0;
788
789 switch(opcode) {
790 case PERFCTR_ON:
791 current_thread_info()->pcr_reg = arg2;
792 current_thread_info()->user_cntd0 = (u64 __user *) arg0;
793 current_thread_info()->user_cntd1 = (u64 __user *) arg1;
794 current_thread_info()->kernel_cntd0 =
795 current_thread_info()->kernel_cntd1 = 0;
796 write_pcr(arg2);
797 reset_pic();
798 set_thread_flag(TIF_PERFCTR);
799 break;
800
801 case PERFCTR_OFF:
802 err = -EINVAL;
803 if (test_thread_flag(TIF_PERFCTR)) {
804 current_thread_info()->user_cntd0 =
805 current_thread_info()->user_cntd1 = NULL;
806 current_thread_info()->pcr_reg = 0;
807 write_pcr(0);
808 clear_thread_flag(TIF_PERFCTR);
809 err = 0;
810 }
811 break;
812
813 case PERFCTR_READ: {
814 unsigned long pic, tmp;
815
816 if (!test_thread_flag(TIF_PERFCTR)) {
817 err = -EINVAL;
818 break;
819 }
820 read_pic(pic);
821 tmp = (current_thread_info()->kernel_cntd0 += (unsigned int)pic);
822 err |= __put_user(tmp, current_thread_info()->user_cntd0);
823 tmp = (current_thread_info()->kernel_cntd1 += (pic >> 32));
824 err |= __put_user(tmp, current_thread_info()->user_cntd1);
825 reset_pic();
826 break;
827 }
828
829 case PERFCTR_CLRPIC:
830 if (!test_thread_flag(TIF_PERFCTR)) {
831 err = -EINVAL;
832 break;
833 }
834 current_thread_info()->kernel_cntd0 =
835 current_thread_info()->kernel_cntd1 = 0;
836 reset_pic();
837 break;
838
839 case PERFCTR_SETPCR: {
840 u64 __user *user_pcr = (u64 __user *)arg0;
841
842 if (!test_thread_flag(TIF_PERFCTR)) {
843 err = -EINVAL;
844 break;
845 }
846 err |= __get_user(current_thread_info()->pcr_reg, user_pcr);
847 write_pcr(current_thread_info()->pcr_reg);
848 current_thread_info()->kernel_cntd0 =
849 current_thread_info()->kernel_cntd1 = 0;
850 reset_pic();
851 break;
852 }
853
854 case PERFCTR_GETPCR: {
855 u64 __user *user_pcr = (u64 __user *)arg0;
856
857 if (!test_thread_flag(TIF_PERFCTR)) {
858 err = -EINVAL;
859 break;
860 }
861 err |= __put_user(current_thread_info()->pcr_reg, user_pcr);
862 break;
863 }
864
865 default:
866 err = -EINVAL;
867 break;
868 };
869 return err;
870}
871
872/* 768/*
873 * Do a system call from kernel instead of calling sys_execve so we 769 * Do a system call from kernel instead of calling sys_execve so we
874 * end up with proper pt_regs. 770 * end up with proper pt_regs.
diff --git a/arch/sparc/kernel/syscalls.S b/arch/sparc/kernel/syscalls.S
index dc4a458f74dc..1d7e274f3f2b 100644
--- a/arch/sparc/kernel/syscalls.S
+++ b/arch/sparc/kernel/syscalls.S
@@ -110,31 +110,12 @@ sys_clone:
110 110
111 .globl ret_from_syscall 111 .globl ret_from_syscall
112ret_from_syscall: 112ret_from_syscall:
113 /* Clear current_thread_info()->new_child, and 113 /* Clear current_thread_info()->new_child. */
114 * check performance counter stuff too.
115 */
116 stb %g0, [%g6 + TI_NEW_CHILD] 114 stb %g0, [%g6 + TI_NEW_CHILD]
117 ldx [%g6 + TI_FLAGS], %l0 115 ldx [%g6 + TI_FLAGS], %l0
118 call schedule_tail 116 call schedule_tail
119 mov %g7, %o0 117 mov %g7, %o0
120 andcc %l0, _TIF_PERFCTR, %g0 118 ba,pt %xcc, ret_sys_call
121 be,pt %icc, 1f
122 nop
123 ldx [%g6 + TI_PCR], %o7
124 wr %g0, %o7, %pcr
125
126 /* Blackbird errata workaround. See commentary in
127 * smp.c:smp_percpu_timer_interrupt() for more
128 * information.
129 */
130 ba,pt %xcc, 99f
131 nop
132
133 .align 64
13499: wr %g0, %g0, %pic
135 rd %pic, %g0
136
1371: ba,pt %xcc, ret_sys_call
138 ldx [%sp + PTREGS_OFF + PT_V9_I0], %o0 119 ldx [%sp + PTREGS_OFF + PT_V9_I0], %o0
139 120
140 .globl sparc_exit 121 .globl sparc_exit
diff --git a/arch/sparc/kernel/systbls.h b/arch/sparc/kernel/systbls.h
index d2f999ae2b85..68312fe8da74 100644
--- a/arch/sparc/kernel/systbls.h
+++ b/arch/sparc/kernel/systbls.h
@@ -36,8 +36,6 @@ extern asmlinkage long sys_rt_sigaction(int sig,
36 struct sigaction __user *oact, 36 struct sigaction __user *oact,
37 void __user *restorer, 37 void __user *restorer,
38 size_t sigsetsize); 38 size_t sigsetsize);
39extern asmlinkage long sys_perfctr(int opcode, unsigned long arg0,
40 unsigned long arg1, unsigned long arg2);
41 39
42extern asmlinkage void sparc64_set_context(struct pt_regs *regs); 40extern asmlinkage void sparc64_set_context(struct pt_regs *regs);
43extern asmlinkage void sparc64_get_context(struct pt_regs *regs); 41extern asmlinkage void sparc64_get_context(struct pt_regs *regs);
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index e575b46bd7a9..17614251fb6d 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -21,7 +21,7 @@ sys_call_table32:
21/*0*/ .word sys_restart_syscall, sys32_exit, sys_fork, sys_read, sys_write 21/*0*/ .word sys_restart_syscall, sys32_exit, sys_fork, sys_read, sys_write
22/*5*/ .word sys32_open, sys_close, sys32_wait4, sys32_creat, sys_link 22/*5*/ .word sys32_open, sys_close, sys32_wait4, sys32_creat, sys_link
23/*10*/ .word sys_unlink, sunos_execv, sys_chdir, sys_chown16, sys32_mknod 23/*10*/ .word sys_unlink, sunos_execv, sys_chdir, sys_chown16, sys32_mknod
24/*15*/ .word sys_chmod, sys_lchown16, sys_brk, sys32_perfctr, sys32_lseek 24/*15*/ .word sys_chmod, sys_lchown16, sys_brk, sys_nis_syscall, sys32_lseek
25/*20*/ .word sys_getpid, sys_capget, sys_capset, sys_setuid16, sys_getuid16 25/*20*/ .word sys_getpid, sys_capget, sys_capset, sys_setuid16, sys_getuid16
26/*25*/ .word sys32_vmsplice, compat_sys_ptrace, sys_alarm, sys32_sigaltstack, sys_pause 26/*25*/ .word sys32_vmsplice, compat_sys_ptrace, sys_alarm, sys32_sigaltstack, sys_pause
27/*30*/ .word compat_sys_utime, sys_lchown, sys_fchown, sys32_access, sys32_nice 27/*30*/ .word compat_sys_utime, sys_lchown, sys_fchown, sys32_access, sys32_nice
@@ -96,7 +96,7 @@ sys_call_table:
96/*0*/ .word sys_restart_syscall, sparc_exit, sys_fork, sys_read, sys_write 96/*0*/ .word sys_restart_syscall, sparc_exit, sys_fork, sys_read, sys_write
97/*5*/ .word sys_open, sys_close, sys_wait4, sys_creat, sys_link 97/*5*/ .word sys_open, sys_close, sys_wait4, sys_creat, sys_link
98/*10*/ .word sys_unlink, sys_nis_syscall, sys_chdir, sys_chown, sys_mknod 98/*10*/ .word sys_unlink, sys_nis_syscall, sys_chdir, sys_chown, sys_mknod
99/*15*/ .word sys_chmod, sys_lchown, sys_brk, sys_perfctr, sys_lseek 99/*15*/ .word sys_chmod, sys_lchown, sys_brk, sys_nis_syscall, sys_lseek
100/*20*/ .word sys_getpid, sys_capget, sys_capset, sys_setuid, sys_getuid 100/*20*/ .word sys_getpid, sys_capget, sys_capset, sys_setuid, sys_getuid
101/*25*/ .word sys_vmsplice, sys_ptrace, sys_alarm, sys_sigaltstack, sys_nis_syscall 101/*25*/ .word sys_vmsplice, sys_ptrace, sys_alarm, sys_sigaltstack, sys_nis_syscall
102/*30*/ .word sys_utime, sys_nis_syscall, sys_nis_syscall, sys_access, sys_nice 102/*30*/ .word sys_utime, sys_nis_syscall, sys_nis_syscall, sys_access, sys_nice
diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c
index 10f7bb9fc140..bdc05a21908b 100644
--- a/arch/sparc/kernel/traps_64.c
+++ b/arch/sparc/kernel/traps_64.c
@@ -2548,15 +2548,6 @@ void __init trap_init(void)
2548 rwbuf_stkptrs) || 2548 rwbuf_stkptrs) ||
2549 TI_GSR != offsetof(struct thread_info, gsr) || 2549 TI_GSR != offsetof(struct thread_info, gsr) ||
2550 TI_XFSR != offsetof(struct thread_info, xfsr) || 2550 TI_XFSR != offsetof(struct thread_info, xfsr) ||
2551 TI_USER_CNTD0 != offsetof(struct thread_info,
2552 user_cntd0) ||
2553 TI_USER_CNTD1 != offsetof(struct thread_info,
2554 user_cntd1) ||
2555 TI_KERN_CNTD0 != offsetof(struct thread_info,
2556 kernel_cntd0) ||
2557 TI_KERN_CNTD1 != offsetof(struct thread_info,
2558 kernel_cntd1) ||
2559 TI_PCR != offsetof(struct thread_info, pcr_reg) ||
2560 TI_PRE_COUNT != offsetof(struct thread_info, 2551 TI_PRE_COUNT != offsetof(struct thread_info,
2561 preempt_count) || 2552 preempt_count) ||
2562 TI_NEW_CHILD != offsetof(struct thread_info, new_child) || 2553 TI_NEW_CHILD != offsetof(struct thread_info, new_child) ||
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-25 02:01:04 -0500