Merge nuts.ninka.net:/home/davem/src/BK/sparcwork-2.5

into nuts.ninka.net:/home/davem/src/BK/sparc-2.5

arch/sparc64/boot/Makefile

@@ -19,16 +19,16 @@ quiet_cmd_strip     = STRIP $@
 
 
 # Actual linking
-$(obj)/image: FORCE
+$(obj)/image: vmlinux FORCE
 	$(call if_changed,strip)
 	@echo '  kernel: $@ is ready'
 
-$(obj)/tftpboot.img: $(obj)/piggyback System.map $(ROOT_IMG) FORCE
+$(obj)/tftpboot.img: vmlinux $(obj)/piggyback System.map $(ROOT_IMG) FORCE
 	$(call if_changed,elftoaout)
 	$(call if_changed,piggy)
 	@echo '  kernel: $@ is ready'
 
-$(obj)/vmlinux.aout: FORCE
+$(obj)/vmlinux.aout: vmlinux FORCE
 	$(call if_changed,elftoaout)
 	@echo '  kernel: $@ is ready'
 

arch/sparc64/defconfig

@@ -348,7 +348,6 @@ CONFIG_PACKET=y
 CONFIG_PACKET_MMAP=y
 CONFIG_NETLINK_DEV=y
 # CONFIG_NETFILTER is not set
-# CONFIG_FILTER is not set
 CONFIG_UNIX=y
 CONFIG_NET_KEY=m
 CONFIG_INET=y
@@ -512,6 +511,7 @@ CONFIG_HIPPI=y
 CONFIG_PLIP=m
 CONFIG_PPP=m
 # CONFIG_PPP_MULTILINK is not set
+CONFIG_PPP_FILTER=y
 # CONFIG_PPP_ASYNC is not set
 # CONFIG_PPP_SYNC_TTY is not set
 # CONFIG_PPP_DEFLATE is not set
@@ -1058,9 +1058,12 @@ CONFIG_CRYPTO_BLOWFISH=m
 CONFIG_CRYPTO_TWOFISH=m
 CONFIG_CRYPTO_SERPENT=m
 CONFIG_CRYPTO_AES=m
+CONFIG_CRYPTO_DEFLATE=m
 # CONFIG_CRYPTO_TEST is not set
 
 #
 # Library routines
 #
 CONFIG_CRC32=y
+CONFIG_ZLIB_INFLATE=m
+CONFIG_ZLIB_DEFLATE=m

arch/sparc64/kernel/etrap.S

@@ -15,7 +15,7 @@
 #include <asm/head.h>
 #include <asm/processor.h>
 
-#define		TASK_REGOFF		(THREAD_SIZE-TRACEREG_SZ-REGWIN_SZ)
+#define		TASK_REGOFF		(THREAD_SIZE-TRACEREG_SZ-STACKFRAME_SZ)
 #define		ETRAP_PSTATE1		(PSTATE_RMO | PSTATE_PRIV)
 #define		ETRAP_PSTATE2		(PSTATE_RMO | PSTATE_PEF | PSTATE_PRIV | PSTATE_IE)
 
@@ -33,8 +33,8 @@ etrap_irq:
 		sllx	%g2, 20, %g3						! IEU0		Group
 		andcc	%g1, TSTATE_PRIV, %g0					! IEU1
 		or	%g1, %g3, %g1						! IEU0		Group
-		bne,pn	%xcc, 1f							! CTI
-		 sub	%sp, REGWIN_SZ+TRACEREG_SZ-STACK_BIAS, %g2		! IEU1
+		bne,pn	%xcc, 1f						! CTI
+		 sub	%sp, STACKFRAME_SZ+TRACEREG_SZ-STACK_BIAS, %g2		! IEU1
 		wrpr	%g0, 7, %cleanwin					! Single	Group+4bubbles
 
 		sethi	%hi(TASK_REGOFF), %g2					! IEU0		Group		
@@ -46,12 +46,12 @@ etrap_irq:
 		wr	%g0, 0, %fprs						! Single	Group+4bubbles
 1:		rdpr	%tpc, %g3						! Single	Group
 
-		stx	%g1, [%g2 + REGWIN_SZ + PT_V9_TSTATE]			! Store		Group
+		stx	%g1, [%g2 + STACKFRAME_SZ + PT_V9_TSTATE]		! Store		Group
 		rdpr	%tnpc, %g1						! Single	Group
-		stx	%g3, [%g2 + REGWIN_SZ + PT_V9_TPC]			! Store		Group
+		stx	%g3, [%g2 + STACKFRAME_SZ + PT_V9_TPC]			! Store		Group
 		rd	%y, %g3							! Single	Group+4bubbles
-		stx	%g1, [%g2 + REGWIN_SZ + PT_V9_TNPC]			! Store		Group
-		st	%g3, [%g2 + REGWIN_SZ + PT_V9_Y]			! Store		Group
+		stx	%g1, [%g2 + STACKFRAME_SZ + PT_V9_TNPC]			! Store		Group
+		st	%g3, [%g2 + STACKFRAME_SZ + PT_V9_Y]			! Store		Group
 		save	%g2, -STACK_BIAS, %sp	! Ordering here is critical	! Single	Group
 		mov	%g6, %l6						! IEU0		Group
 
@@ -75,23 +75,23 @@ etrap_irq:
 
 		mov	%g7, %l2						! IEU1
 		wrpr	%g0, ETRAP_PSTATE1, %pstate				! Single	Group+4bubbles
-		stx	%g1, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_G1]		! Store		Group
-		stx	%g2, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_G2]		! Store		Group
-		stx	%g3, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_G3]		! Store		Group
-		stx	%g4, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_G4]		! Store		Group
-		stx	%g5, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_G5]		! Store		Group
-		stx	%g6, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_G6]		! Store		Group
-
-		stx	%g7, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_G7]		! Store		Group
-		stx	%i0, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_I0]		! Store		Group
-		stx	%i1, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_I1]		! Store		Group
-		stx	%i2, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_I2]		! Store		Group
-		stx	%i3, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_I3]		! Store		Group
-		stx	%i4, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_I4]		! Store		Group
-		stx	%i5, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_I5]		! Store		Group
-
-		stx	%i6, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_I6]		! Store		Group
-		stx	%i7, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_I7]		! Store		Group
+		stx	%g1, [%sp + PTREGS_OFF + PT_V9_G1]			! Store		Group
+		stx	%g2, [%sp + PTREGS_OFF + PT_V9_G2]			! Store		Group
+		stx	%g3, [%sp + PTREGS_OFF + PT_V9_G3]			! Store		Group
+		stx	%g4, [%sp + PTREGS_OFF + PT_V9_G4]			! Store		Group
+		stx	%g5, [%sp + PTREGS_OFF + PT_V9_G5]			! Store		Group
+		stx	%g6, [%sp + PTREGS_OFF + PT_V9_G6]			! Store		Group
+
+		stx	%g7, [%sp + PTREGS_OFF + PT_V9_G7]			! Store		Group
+		stx	%i0, [%sp + PTREGS_OFF + PT_V9_I0]			! Store		Group
+		stx	%i1, [%sp + PTREGS_OFF + PT_V9_I1]			! Store		Group
+		stx	%i2, [%sp + PTREGS_OFF + PT_V9_I2]			! Store		Group
+		stx	%i3, [%sp + PTREGS_OFF + PT_V9_I3]			! Store		Group
+		stx	%i4, [%sp + PTREGS_OFF + PT_V9_I4]			! Store		Group
+		stx	%i5, [%sp + PTREGS_OFF + PT_V9_I5]			! Store		Group
+
+		stx	%i6, [%sp + PTREGS_OFF + PT_V9_I6]			! Store		Group
+		stx	%i7, [%sp + PTREGS_OFF + PT_V9_I7]			! Store		Group
 		wrpr	%g0, ETRAP_PSTATE2, %pstate				! Single	Group+4bubbles
 		mov	%l6, %g6						! IEU0
 		jmpl	%l2 + 0x4, %g0						! CTI		Group
@@ -167,7 +167,7 @@ etraptl1:	/* Save tstate/tpc/tnpc of TL 1-->4 and the tl register itself.
 		stx	%g1, [%g2 + STACK_BIAS + 0x80]
 
 		rdpr	%tstate, %g1						! Single	Group+4bubbles
-		sub	%g2, REGWIN_SZ + TRACEREG_SZ - STACK_BIAS, %g2		! IEU1
+		sub	%g2, STACKFRAME_SZ + TRACEREG_SZ - STACK_BIAS, %g2	! IEU1
 		ba,pt	%xcc, 1b						! CTI		Group
 		 andcc	%g1, TSTATE_PRIV, %g0					! IEU0
 
@@ -179,7 +179,7 @@ scetrap:	rdpr	%pil, %g2						! Single 	Group
 		andcc	%g1, TSTATE_PRIV, %g0					! IEU1
 		or	%g1, %g3, %g1						! IEU0		Group
 		bne,pn	%xcc, 1f						! CTI
-		 sub	%sp, (REGWIN_SZ+TRACEREG_SZ-STACK_BIAS), %g2		! IEU1
+		 sub	%sp, (STACKFRAME_SZ+TRACEREG_SZ-STACK_BIAS), %g2	! IEU1
 		wrpr	%g0, 7, %cleanwin					! Single	Group+4bubbles
 
 		sllx	%g1, 51, %g3						! IEU0		Group
@@ -189,11 +189,11 @@ scetrap:	rdpr	%pil, %g2						! Single 	Group
 		 add	%g6, %g2, %g2						! IEU0		Group
 		wr	%g0, 0, %fprs						! Single	Group+4bubbles
 1:		rdpr	%tpc, %g3						! Single	Group
-		stx	%g1, [%g2 + REGWIN_SZ + PT_V9_TSTATE]			! Store		Group
+		stx	%g1, [%g2 + STACKFRAME_SZ + PT_V9_TSTATE]		! Store		Group
 
 		rdpr	%tnpc, %g1						! Single	Group
-		stx	%g3, [%g2 + REGWIN_SZ + PT_V9_TPC]			! Store		Group
-		stx	%g1, [%g2 + REGWIN_SZ + PT_V9_TNPC]			! Store		Group
+		stx	%g3, [%g2 + STACKFRAME_SZ + PT_V9_TPC]			! Store		Group
+		stx	%g1, [%g2 + STACKFRAME_SZ + PT_V9_TNPC]			! Store		Group
 		save	%g2, -STACK_BIAS, %sp	! Ordering here is critical	! Single	Group
 		mov	%g6, %l6						! IEU0		Group
 		bne,pn	%xcc, 2f						! CTI		
@@ -214,32 +214,32 @@ scetrap:	rdpr	%pil, %g2						! Single 	Group
 		mov	%g5, %l5						! IEU0		Group
 		add	%g7, 0x4, %l2						! IEU1
 		wrpr	%g0, ETRAP_PSTATE1, %pstate				! Single	Group+4bubbles
-		stx	%g1, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_G1]		! Store		Group
-		stx	%g2, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_G2]		! Store		Group
+		stx	%g1, [%sp + PTREGS_OFF + PT_V9_G1]			! Store		Group
+		stx	%g2, [%sp + PTREGS_OFF + PT_V9_G2]			! Store		Group
 		sllx	%l7, 24, %l7						! IEU0
 
-		stx	%g3, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_G3]		! Store		Group
+		stx	%g3, [%sp + PTREGS_OFF + PT_V9_G3]			! Store		Group
 		rdpr	%cwp, %l0						! Single	Group
-		stx	%g4, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_G4]		! Store		Group
-		stx	%g5, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_G5]		! Store		Group
-		stx	%g6, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_G6]		! Store		Group
-		stx	%g7, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_G7]		! Store		Group
+		stx	%g4, [%sp + PTREGS_OFF + PT_V9_G4]			! Store		Group
+		stx	%g5, [%sp + PTREGS_OFF + PT_V9_G5]			! Store		Group
+		stx	%g6, [%sp + PTREGS_OFF + PT_V9_G6]			! Store		Group
+		stx	%g7, [%sp + PTREGS_OFF + PT_V9_G7]			! Store		Group
 		or	%l7, %l0, %l7						! IEU0
 		sethi	%hi(TSTATE_RMO | TSTATE_PEF), %l0			! IEU1
 
 		or	%l7, %l0, %l7						! IEU0		Group
 		wrpr	%l2, %tnpc						! Single	Group+4bubbles
 		wrpr	%l7, (TSTATE_PRIV | TSTATE_IE), %tstate			! Single	Group+4bubbles
-		stx	%i0, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_I0]		! Store		Group
-		stx	%i1, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_I1]		! Store		Group
-		stx	%i2, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_I2]		! Store		Group
-		stx	%i3, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_I3]		! Store		Group
-		stx	%i4, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_I4]		! Store		Group
-
-		stx	%i5, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_I5]		! Store		Group
-		stx	%i6, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_I6]		! Store		Group
+		stx	%i0, [%sp + PTREGS_OFF + PT_V9_I0]			! Store		Group
+		stx	%i1, [%sp + PTREGS_OFF + PT_V9_I1]			! Store		Group
+		stx	%i2, [%sp + PTREGS_OFF + PT_V9_I2]			! Store		Group
+		stx	%i3, [%sp + PTREGS_OFF + PT_V9_I3]			! Store		Group
+		stx	%i4, [%sp + PTREGS_OFF + PT_V9_I4]			! Store		Group
+
+		stx	%i5, [%sp + PTREGS_OFF + PT_V9_I5]			! Store		Group
+		stx	%i6, [%sp + PTREGS_OFF + PT_V9_I6]			! Store		Group
 		mov	%l6, %g6						! IEU1
-		stx	%i7, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_I7]		! Store		Group
+		stx	%i7, [%sp + PTREGS_OFF + PT_V9_I7]			! Store		Group
 		ldx	[%g6 + TI_TASK], %g4					! Load		Group
 		done
 		nop

arch/sparc64/kernel/head.S

@@ -549,7 +549,7 @@ tlb_fixup_done:
 	wr	%g0, ASI_P, %asi
 	mov	1, %g5
 	sllx	%g5, THREAD_SHIFT, %g5
-	sub	%g5, (REGWIN_SZ + STACK_BIAS), %g5
+	sub	%g5, (STACKFRAME_SZ + STACK_BIAS), %g5
 	add	%g6, %g5, %sp
 	mov	0, %fp
 

arch/sparc64/kernel/itlb_base.S

@@ -59,7 +59,7 @@ sparc64_realfault_common:				! Called by TL0 dtlb_miss too
 
 /* ITLB ** ICACHE line 3: Finish faults + window fixups	*/
 	call		do_sparc64_fault		! Call fault handler
-	 add		%sp, STACK_BIAS + REGWIN_SZ, %o0! Compute pt_regs arg
+	 add		%sp, PTREGS_OFF, %o0! Compute pt_regs arg
 	ba,pt		%xcc, rtrap_clr_l6		! Restore cpu state
 	 nop
 winfix_trampoline:

arch/sparc64/kernel/module.c

@@ -231,6 +231,13 @@ int apply_relocate_add(Elf64_Shdr *sechdrs,
 				((v >> 10) & 0x3fffff);
 			break;
 
+		case R_SPARC_OLO10:
+			*loc32 = (*loc32 & ~0x1fff) |
+				(((v & 0x3ff) +
+				  (ELF64_R_TYPE(rel[i].r_info) >> 8))
+				 & 0x1fff);
+			break;
+
 		default:
 			printk(KERN_ERR "module %s: Unknown relocation: %x\n",
 			       me->name,

arch/sparc64/kernel/process.c

@@ -39,6 +39,7 @@
 #include <asm/pstate.h>
 #include <asm/elf.h>
 #include <asm/fpumacro.h>
+#include <asm/head.h>
 
 /* #define VERBOSE_SHOWREGS */
 
@@ -341,8 +342,8 @@ void show_regs(struct pt_regs *regs)
 	    regs->u_regs[14] >= (long)current - PAGE_SIZE &&
 	    regs->u_regs[14] < (long)current + 6 * PAGE_SIZE) {
 		printk ("*********parent**********\n");
-		__show_regs((struct pt_regs *)(regs->u_regs[14] + STACK_BIAS + REGWIN_SZ));
-		idump_from_user(((struct pt_regs *)(regs->u_regs[14] + STACK_BIAS + REGWIN_SZ))->tpc);
+		__show_regs((struct pt_regs *)(regs->u_regs[14] + PTREGS_OFF));
+		idump_from_user(((struct pt_regs *)(regs->u_regs[14] + PTREGS_OFF))->tpc);
 		printk ("*********endpar**********\n");
 	}
 #endif
@@ -508,11 +509,11 @@ void synchronize_user_stack(void)
 
 	flush_user_windows();
 	if ((window = get_thread_wsaved()) != 0) {
-		int winsize = REGWIN_SZ;
+		int winsize = sizeof(struct reg_window);
 		int bias = 0;
 
 		if (test_thread_flag(TIF_32BIT))
-			winsize = REGWIN32_SZ;
+			winsize = sizeof(struct reg_window32);
 		else
 			bias = STACK_BIAS;
 
@@ -533,11 +534,11 @@ void fault_in_user_windows(void)
 {
 	struct thread_info *t = current_thread_info();
 	unsigned long window;
-	int winsize = REGWIN_SZ;
+	int winsize = sizeof(struct reg_window);
 	int bias = 0;
 
 	if (test_thread_flag(TIF_32BIT))
-		winsize = REGWIN32_SZ;
+		winsize = sizeof(struct reg_window32);
 	else
 		bias = STACK_BIAS;
 
@@ -610,14 +611,14 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
 	p->set_child_tid = p->clear_child_tid = NULL;
 
 	/* Calculate offset to stack_frame & pt_regs */
-	child_trap_frame = ((char *)t) + (THREAD_SIZE - (TRACEREG_SZ+REGWIN_SZ));
-	memcpy(child_trap_frame, (((struct reg_window *)regs)-1), (TRACEREG_SZ+REGWIN_SZ));
+	child_trap_frame = ((char *)t) + (THREAD_SIZE - (TRACEREG_SZ+STACKFRAME_SZ));
+	memcpy(child_trap_frame, (((struct sparc_stackf *)regs)-1), (TRACEREG_SZ+STACKFRAME_SZ));
 
 	t->flags = (t->flags & ~((0xffUL << TI_FLAG_CWP_SHIFT) | (0xffUL << TI_FLAG_CURRENT_DS_SHIFT))) |
 		_TIF_NEWCHILD |
 		(((regs->tstate + 1) & TSTATE_CWP) << TI_FLAG_CWP_SHIFT);
 	t->ksp = ((unsigned long) child_trap_frame) - STACK_BIAS;
-	t->kregs = (struct pt_regs *)(child_trap_frame+sizeof(struct reg_window));
+	t->kregs = (struct pt_regs *)(child_trap_frame+sizeof(struct sparc_stackf));
 	t->fpsaved[0] = 0;
 
 	if (regs->tstate & TSTATE_PRIV) {
@@ -636,7 +637,7 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
 		flush_register_windows();
 		memcpy((void *)(t->ksp + STACK_BIAS),
 		       (void *)(regs->u_regs[UREG_FP] + STACK_BIAS),
-		       sizeof(struct reg_window));
+		       sizeof(struct sparc_stackf));
 		t->kregs->u_regs[UREG_G6] = (unsigned long) t;
 		t->kregs->u_regs[UREG_G4] = (unsigned long) t->task;
 	} else {

arch/sparc64/kernel/rtrap.S

@@ -59,7 +59,7 @@ __handle_user_windows:
 		clr			%o0
 		mov			%l5, %o2
 		mov			%l6, %o3
-		add			%sp, STACK_BIAS + REGWIN_SZ, %o1
+		add			%sp, PTREGS_OFF, %o1
 		mov			%l0, %o4
 
 		call			do_notify_resume
@@ -103,7 +103,7 @@ __handle_perfctrs:
 		clr			%o0
 		mov			%l5, %o2
 		mov			%l6, %o3
-		add			%sp, STACK_BIAS + REGWIN_SZ, %o1
+		add			%sp, PTREGS_OFF, %o1
 		mov			%l0, %o4
 		call			do_notify_resume
 
@@ -132,7 +132,7 @@ __handle_signal:
 		clr			%o0
 		mov			%l5, %o2
 		mov			%l6, %o3
-		add			%sp, STACK_BIAS + REGWIN_SZ, %o1
+		add			%sp, PTREGS_OFF, %o1
 		mov			%l0, %o4
 		call			do_notify_resume
 		 wrpr			%g0, RTRAP_PSTATE, %pstate

arch/sparc64/kernel/signal32.c

@@ -812,7 +812,7 @@ setup_svr4_frame32(struct sigaction *sa, unsigned long pc, unsigned long npc,
 	save_and_clear_fpu();
 	
 	regs->u_regs[UREG_FP] &= 0x00000000ffffffffUL;
-	sfp = (svr4_signal_frame_t *) get_sigframe(sa, regs, REGWIN_SZ + SVR4_SF_ALIGNED);
+	sfp = (svr4_signal_frame_t *) get_sigframe(sa, regs, sizeof(struct reg_window32) + SVR4_SF_ALIGNED);
 
 	if (invalid_frame_pointer (sfp, sizeof (*sfp)))
 		do_exit(SIGILL);

arch/sparc64/kernel/trampoline.S

@@ -195,7 +195,7 @@ startup_continue:
 
 	mov		1, %g5
 	sllx		%g5, THREAD_SHIFT, %g5
-	sub		%g5, (REGWIN_SZ + STACK_BIAS), %g5
+	sub		%g5, (STACKFRAME_SZ + STACK_BIAS), %g5
 	add		%g6, %g5, %sp
 	mov		0, %fp
 

arch/sparc64/kernel/us2e_cpufreq.c

@@ -256,7 +256,8 @@ static void us2e_set_cpu_divider_index(unsigned int cpu, unsigned int index)
 	freqs.cpu = cpu;
 	cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
 
-	us2e_transition(estar, new_bits, clock_tick, old_divisor, divisor);
+	if (old_divisor != divisor)
+		us2e_transition(estar, new_bits, clock_tick, old_divisor, divisor);
 
 	cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
 

arch/sparc64/kernel/winfixup.S

@@ -80,7 +80,7 @@ fill_fixup:
 	 * since we must preserve %l5 and %l6, see comment above.
 	 */
 	call		do_sparc64_fault
-	 add		%sp, STACK_BIAS + REGWIN_SZ, %o0
+	 add		%sp, PTREGS_OFF, %o0
 	ba,pt		%xcc, rtrap
 	 nop						! yes, nop is correct
 
@@ -158,7 +158,7 @@ window_scheisse_from_user_common:
 	ba,pt		%xcc, etrap
 	 rd		%pc, %g7
 	call		do_sparc64_fault
-	 add		%sp, STACK_BIAS + REGWIN_SZ, %o0
+	 add		%sp, PTREGS_OFF, %o0
 	ba,a,pt		%xcc, rtrap_clr_l6
 
 	.globl		winfix_mna, fill_fixup_mna, spill_fixup_mna
@@ -197,7 +197,7 @@ fill_fixup_mna:
 	mov		%o7, %g6			! Get current back.
 	ldx		[%g6 + TI_TASK], %g4		! Finish it.
 	call		mem_address_unaligned
-	 add		%sp, STACK_BIAS + REGWIN_SZ, %o0
+	 add		%sp, PTREGS_OFF, %o0
 
 	b,pt		%xcc, rtrap
 	 nop						! yes, the nop is correct
@@ -258,7 +258,7 @@ window_mna_from_user_common:
 	mov		%l4, %o2
 	mov		%l5, %o1
 	call		mem_address_unaligned
-	 add		%sp, STACK_BIAS + REGWIN_SZ, %o0
+	 add		%sp, PTREGS_OFF, %o0
 	ba,pt		%xcc, rtrap
 	 clr		%l6
 	
@@ -303,7 +303,7 @@ fill_fixup_dax:
 	mov		%o7, %g6			! Get current back.
 	ldx		[%g6 + TI_TASK], %g4		! Finish it.
 	call		data_access_exception
-	 add		%sp, STACK_BIAS + REGWIN_SZ, %o0
+	 add		%sp, PTREGS_OFF, %o0
 
 	b,pt		%xcc, rtrap
 	 nop						! yes, the nop is correct
@@ -364,7 +364,7 @@ window_dax_from_user_common:
 	mov		%l4, %o1
 	mov		%l5, %o2
 	call		data_access_exception
-	 add		%sp, STACK_BIAS + REGWIN_SZ, %o0
+	 add		%sp, PTREGS_OFF, %o0
 	ba,pt		%xcc, rtrap
 	 clr		%l6
 	

arch/sparc64/mm/ultra.S

@@ -594,7 +594,7 @@ xcall_report_regs:
 	b,pt		%xcc, etrap_irq
 109:	 or		%g7, %lo(109b), %g7
 	call		__show_regs
-	 add		%sp, STACK_BIAS + REGWIN_SZ, %o0
+	 add		%sp, PTREGS_OFF, %o0
 	clr		%l6
 	/* Has to be a non-v9 branch due to the large distance. */
 	b		rtrap_xcall

arch/sparc64/solaris/entry64.S

@@ -34,7 +34,7 @@ solaris_syscall_trace:
 	be,pt		%icc, 2f
 	 srl		%i2, 0, %o2
 	b,pt		%xcc, 2f
-	 add		%sp, STACK_BIAS + REGWIN_SZ, %o0
+	 add		%sp, PTREGS_OFF, %o0
 
 solaris_sucks:
 /* Solaris is a big system which needs to be able to do all the things
@@ -91,7 +91,7 @@ entry64_personality_patch:
 	 sethi		%hi(sys_call_table32), %l6
 	andcc		%l3, 1, %g0
 	bne,a,pn	%icc, 10f
-	 add		%sp, STACK_BIAS + REGWIN_SZ, %o0
+	 add		%sp, PTREGS_OFF, %o0
 10:	srl		%i2, 0, %o2
 	mov		%i5, %o5
 	andn		%l3, 3, %l7
@@ -101,11 +101,11 @@ entry64_personality_patch:
 2:	call		%l7
 	 srl		%i3, 0, %o3
 ret_from_solaris:
-	stx		%o0, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_I0]
+	stx		%o0, [%sp + PTREGS_OFF + PT_V9_I0]
 	ldx		[%g6 + TI_FLAGS], %l6
 	sra		%o0, 0, %o0
 	mov		%ulo(TSTATE_XCARRY | TSTATE_ICARRY), %g2
-	ldx		[%sp + STACK_BIAS + REGWIN_SZ + PT_V9_TSTATE], %g3
+	ldx		[%sp + PTREGS_OFF + PT_V9_TSTATE], %g3
 	cmp		%o0, -ENOIOCTLCMD
 	sllx		%g2, 32, %g2
 	bgeu,pn		%xcc, 1f
@@ -113,21 +113,21 @@ ret_from_solaris:
 
 	/* System call success, clear Carry condition code. */
 	andn		%g3, %g2, %g3
-	stx		%g3, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_TSTATE]	
+	stx		%g3, [%sp + PTREGS_OFF + PT_V9_TSTATE]	
 	bne,pn		%icc, solaris_syscall_trace2
-	 ldx		[%sp + STACK_BIAS + REGWIN_SZ + PT_V9_TNPC], %l1
+	 ldx		[%sp + PTREGS_OFF + PT_V9_TNPC], %l1
 	andcc		%l1, 1, %g0
 	bne,pn		%icc, 2f
 	 clr		%l6
 	add		%l1, 0x4, %l2				         
-	stx		%l1, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_TPC]	 ! pc = npc
+	stx		%l1, [%sp + PTREGS_OFF + PT_V9_TPC]	 ! pc = npc
 	call		rtrap
-	 stx		%l2, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_TNPC] !npc = npc+4
+	 stx		%l2, [%sp + PTREGS_OFF + PT_V9_TNPC] !npc = npc+4
 
 	/* When tnpc & 1, this comes from setcontext and we don't want to advance pc */
 2:	andn		%l1, 3, %l1
 	call		rtrap
-	 stx		%l1, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_TNPC] !npc = npc&~3
+	 stx		%l1, [%sp + PTREGS_OFF + PT_V9_TNPC] !npc = npc&~3
 
 1:
 	/* System call failure, set Carry condition code.
@@ -143,17 +143,17 @@ ret_from_solaris:
 	sll		%o0, 2, %o0
 	or		%l6, %lo(solaris_err_table), %l6
 	ldsw		[%l6 + %o0], %o0
-1:	stx		%o0, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_I0]
+1:	stx		%o0, [%sp + PTREGS_OFF + PT_V9_I0]
 	mov		1, %l6
-	stx		%g3, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_TSTATE]
+	stx		%g3, [%sp + PTREGS_OFF + PT_V9_TSTATE]
 	bne,pn		%icc, solaris_syscall_trace2
-	 ldx		[%sp + STACK_BIAS + REGWIN_SZ + PT_V9_TNPC], %l1
+	 ldx		[%sp + PTREGS_OFF + PT_V9_TNPC], %l1
 	andcc		%l1, 1, %g0
 	bne,pn		%icc, 2b
 	 add		%l1, 0x4, %l2
-	stx		%l1, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_TPC]  ! pc = npc
+	stx		%l1, [%sp + PTREGS_OFF + PT_V9_TPC]  ! pc = npc
 	call		rtrap
-	 stx		%l2, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_TNPC] !npc = npc+4 
+	 stx		%l2, [%sp + PTREGS_OFF + PT_V9_TNPC] !npc = npc+4 
 
 solaris_syscall_trace2:
 	call		syscall_trace
@@ -161,9 +161,9 @@ solaris_syscall_trace2:
 	andcc		%l1, 1, %g0
 	bne,pn		%icc, 2b
 	 nop
-	stx		%l1, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_TPC]
+	stx		%l1, [%sp + PTREGS_OFF + PT_V9_TPC]
 	call		rtrap
-	 stx		%l2, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_TNPC]
+	 stx		%l2, [%sp + PTREGS_OFF + PT_V9_TNPC]
 
 	/* This one is tricky, so that's why we do it in assembly */
 	.globl		solaris_sigsuspend
@@ -173,14 +173,14 @@ solaris_sigsuspend:
 	brlz,pn		%o0, ret_from_solaris
 	 nop
 	call		sys_sigsuspend
-	 stx		%o0, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_I0]
+	 stx		%o0, [%sp + PTREGS_OFF + PT_V9_I0]
 
 	.globl		solaris_getpid
 solaris_getpid:
 	call		sys_getppid
 	 nop
 	call		sys_getpid
-	 stx		%o0, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_I1]
+	 stx		%o0, [%sp + PTREGS_OFF + PT_V9_I1]
 	b,pt		%xcc, ret_from_solaris
 	 nop
 
@@ -189,7 +189,7 @@ solaris_getuid:
 	call		sys_geteuid
 	 nop
 	call		sys_getuid
-	 stx		%o1, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_I1]
+	 stx		%o1, [%sp + PTREGS_OFF + PT_V9_I1]
 	b,pt		%xcc, ret_from_solaris
 	 nop
 
@@ -198,14 +198,14 @@ solaris_getgid:
 	call		sys_getegid
 	 nop
 	call		sys_getgid
-	 stx		%o1, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_I1]
+	 stx		%o1, [%sp + PTREGS_OFF + PT_V9_I1]
 	b,pt		%xcc, ret_from_solaris
 	 nop
 
 	.globl		solaris_unimplemented
 solaris_unimplemented:
 	call		do_sol_unimplemented
-	 add		%sp, STACK_BIAS + REGWIN_SZ, %o0
+	 add		%sp, PTREGS_OFF, %o0
 	ba,pt		%xcc, ret_from_solaris
 	 nop
 

include/asm-sparc64/head.h

@@ -6,7 +6,7 @@
 
 #define KERNBASE	0x400000
 
-#define	PTREGS_OFF	(STACK_BIAS + REGWIN_SZ)
+#define	PTREGS_OFF	(STACK_BIAS + STACKFRAME_SZ)
 
 #define __CHEETAH_ID	0x003e0014
 

include/asm-sparc64/processor.h

@@ -139,7 +139,7 @@ do { \
 	"stx		%%g0, [%0 + %2 + 0x78]\n\t" \
 	"wrpr		%%g0, (1 << 3), %%wstate\n\t" \
 	: \
-	: "r" (regs), "r" (sp - REGWIN_SZ - STACK_BIAS), \
+	: "r" (regs), "r" (sp - sizeof(struct reg_window) - STACK_BIAS), \
 	  "i" ((const unsigned long)(&((struct pt_regs *)0)->u_regs[0]))); \
 } while (0)
 
@@ -179,7 +179,7 @@ do { \
 	"stx		%%g0, [%0 + %2 + 0x78]\n\t" \
 	"wrpr		%%g0, (2 << 3), %%wstate\n\t" \
 	: \
-	: "r" (regs), "r" (sp - REGWIN32_SZ), \
+	: "r" (regs), "r" (sp - sizeof(struct reg_window32)), \
 	  "i" ((const unsigned long)(&((struct pt_regs *)0)->u_regs[0]))); \
 } while (0)
 

include/asm-sparc64/ptrace.h

@@ -89,11 +89,9 @@ struct sparc_trapf {
 
 #define TRACEREG_SZ	sizeof(struct pt_regs)
 #define STACKFRAME_SZ	sizeof(struct sparc_stackf)
-#define REGWIN_SZ	sizeof(struct reg_window)
 
 #define TRACEREG32_SZ	sizeof(struct pt_regs32)
 #define STACKFRAME32_SZ	sizeof(struct sparc_stackf32)
-#define REGWIN32_SZ	sizeof(struct reg_window32)
 
 #ifdef __KERNEL__
 #define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV))
@@ -105,11 +103,9 @@ extern void show_regs(struct pt_regs *);
 /* For assembly code. */
 #define TRACEREG_SZ		0xa0
 #define STACKFRAME_SZ		0xc0
-#define REGWIN_SZ		0x80
 
 #define TRACEREG32_SZ		0x50
 #define STACKFRAME32_SZ		0x60
-#define REGWIN32_SZ		0x40
 #endif
 
 #ifdef __KERNEL__

include/asm-sparc64/ttable.h

@@ -27,7 +27,7 @@
 	ba,pt	%xcc, etrap;				\
 109:	 or	%g7, %lo(109b), %g7;			\
 	call	routine;				\
-	 add	%sp, STACK_BIAS + REGWIN_SZ, %o0;	\
+	 add	%sp, PTREGS_OFF, %o0;			\
 	ba,pt	%xcc, rtrap;				\
 	 clr	%l6;					\
 	nop;
@@ -37,7 +37,7 @@
 	ba,pt	%xcc, etrap;				\
 109:	 or	%g7, %lo(109b), %g7;			\
 	call	routine;				\
-	 add	%sp, STACK_BIAS + REGWIN_SZ, %o0;	\
+	 add	%sp, PTREGS_OFF, %o0;			\
 	ba,pt	%xcc, rtrap;				\
 	 clr	%l6;
 
@@ -46,7 +46,7 @@
 	ba,pt	%xcc, do_fptrap;			\
 109:	 or	%g7, %lo(109b), %g7;			\
 	call	routine;				\
-	 add	%sp, STACK_BIAS + REGWIN_SZ, %o0;	\
+	 add	%sp, PTREGS_OFF, %o0;			\
 	ba,pt	%xcc, rtrap;				\
 	 clr	%l6;					\
 	nop;
@@ -66,7 +66,7 @@
 	ba,pt	%xcc, etraptl1;				\
 109:	 or	%g7, %lo(109b), %g7;			\
 	call	routine;				\
-	 add	%sp, STACK_BIAS + REGWIN_SZ, %o0;	\
+	 add	%sp, PTREGS_OFF, %o0;			\
 	ba,pt	%xcc, rtrap;				\
 	 clr	%l6;					\
 	nop;
@@ -75,7 +75,7 @@
 	sethi	%hi(109f), %g7;				\
 	ba,pt	%xcc, etrap;				\
 109:	 or	%g7, %lo(109b), %g7;			\
-	add	%sp, STACK_BIAS + REGWIN_SZ, %o0;	\
+	add	%sp, PTREGS_OFF, %o0;			\
 	call	routine;				\
 	 mov	arg, %o1;				\
 	ba,pt	%xcc, rtrap;				\
@@ -85,7 +85,7 @@
 	sethi	%hi(109f), %g7;				\
 	ba,pt	%xcc, etraptl1;				\
 109:	 or	%g7, %lo(109b), %g7;			\
-	add	%sp, STACK_BIAS + REGWIN_SZ, %o0;	\
+	add	%sp, PTREGS_OFF, %o0;			\
 	call	routine;				\
 	 mov	arg, %o1;				\
 	ba,pt	%xcc, rtrap;				\
@@ -142,7 +142,7 @@
 	 rd	%pc, %g7;				\
 	mov	level, %o0;				\
 	call	routine;				\
-	 add	%sp, STACK_BIAS + REGWIN_SZ, %o1;	\
+	 add	%sp, PTREGS_OFF, %o1;			\
 	ba,a,pt	%xcc, rtrap_irq;
 	
 #define TICK_SMP_IRQ					\
@@ -152,7 +152,7 @@
 	b,pt	%xcc, etrap_irq;			\
 109:	 or	%g7, %lo(109b), %g7;			\
 	call	smp_percpu_timer_interrupt;		\
-	 add	%sp, STACK_BIAS + REGWIN_SZ, %o0;	\
+	 add	%sp, PTREGS_OFF, %o0;			\
 	ba,a,pt	%xcc, rtrap_irq;
 
 #define TRAP_IVEC TRAP_NOSAVE(do_ivec)
@@ -165,11 +165,11 @@
 	ba,pt	%xcc, etrap;						\
 	 rd	%pc, %g7;						\
 	flushw;								\
-	ldx	[%sp + STACK_BIAS + REGWIN_SZ + PT_V9_TNPC], %l1;	\
+	ldx	[%sp + PTREGS_OFF + PT_V9_TNPC], %l1;			\
 	add	%l1, 4, %l2;						\
-	stx	%l1, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_TPC];	\
+	stx	%l1, [%sp + PTREGS_OFF + PT_V9_TPC];			\
 	ba,pt	%xcc, rtrap_clr_l6;					\
-	 stx	%l2, [%sp + STACK_BIAS + REGWIN_SZ + PT_V9_TNPC];
+	 stx	%l2, [%sp + PTREGS_OFF + PT_V9_TNPC];
 	        
 /* Before touching these macros, you owe it to yourself to go and
  * see how arch/sparc64/kernel/winfixup.S works... -DaveM

include/linux/elf.h

@@ -274,6 +274,10 @@ typedef struct {
 #define R_MIPS_LOVENDOR		100
 #define R_MIPS_HIVENDOR		127
 
+/*
+ * Sparc section types
+ */
+#define STT_REGISTER		13
 
 /*
  * Sparc ELF relocation types
@@ -311,6 +315,7 @@ typedef struct {
 #define R_SPARC_10		30
 #define R_SPARC_11		31
 #define R_SPARC_64		32
+#define R_SPARC_OLO10		33
 #define R_SPARC_WDISP16		40
 #define R_SPARC_WDISP19		41
 #define R_SPARC_7		43

kernel/module.c

@@ -974,6 +974,11 @@ static int simplify_symbols(Elf_Shdr *sechdrs,
 			/* Ok if weak.  */
 			if (ELF_ST_BIND(sym[i].st_info) == STB_WEAK)
 				break;
+#if defined(CONFIG_SPARC32) || defined(CONFIG_SPARC64)
+			/* Ok if Sparc register directive. */
+			if (ELF_ST_TYPE(sym[i].st_info) == STT_REGISTER)
+				break;
+#endif
 
 			printk(KERN_WARNING "%s: Unknown symbol %s\n",
 			       mod->name, strtab + sym[i].st_name);

scripts/modpost.c

@@ -296,6 +296,12 @@ handle_modversions(struct module *mod, struct elf_info *info,
 		/* ignore global offset table */
 		if (strcmp(symname, "_GLOBAL_OFFSET_TABLE_") == 0)
 			break;
+		if (info->hdr->e_machine == EM_SPARC ||
+		    info->hdr->e_machine == EM_SPARCV9) {
+			/* Ignore register directives. */
+			if (ELF_ST_TYPE(sym->st_info) == STT_REGISTER)
+				break;
+		}
 		
 		if (memcmp(symname, MODULE_SYMBOL_PREFIX,
 			   strlen(MODULE_SYMBOL_PREFIX)) == 0) {

scripts/modpost.h

@@ -17,6 +17,7 @@
 #define Elf_Shdr    Elf32_Shdr 
 #define Elf_Sym     Elf32_Sym
 #define ELF_ST_BIND ELF32_ST_BIND
+#define ELF_ST_TYPE ELF32_ST_TYPE
 
 #else
 
@@ -24,6 +25,7 @@
 #define Elf_Shdr    Elf64_Shdr 
 #define Elf_Sym     Elf64_Sym
 #define ELF_ST_BIND ELF64_ST_BIND
+#define ELF_ST_TYPE ELF64_ST_TYPE
 
 #endif