Merge master.kernel.org:/home/rmk/linux-2.6-arm

git-mirror · Jul 1, 2005 · 62351cc · 62351cc
2 parents d471cd4 + 747aead
commit 62351cc
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Showing 8 changed files with 53 additions and 72 deletions.
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
@@ -56,7 +56,7 @@ tune-$(CONFIG_CPU_XSCALE)	:=$(call cc-option,-mtune=xscale,-mtune=strongarm110)
 tune-$(CONFIG_CPU_V6)		:=-mtune=strongarm
 
 # Need -Uarm for gcc < 3.x
-CFLAGS_ABI	:=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
+CFLAGS_ABI	:=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
 CFLAGS		+=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
 AFLAGS		+=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float
 

diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
@@ -230,16 +230,8 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err)
 	do_exit(SIGSEGV);
 }
 
-void die_if_kernel(const char *str, struct pt_regs *regs, int err)
-{
-	if (user_mode(regs))
-    		return;
-
-    	die(str, regs, err);
-}
-
-static void notify_die(const char *str, struct pt_regs *regs, siginfo_t *info,
-		       unsigned long err, unsigned long trap)
+void notify_die(const char *str, struct pt_regs *regs, struct siginfo *info,
+		unsigned long err, unsigned long trap)
 {
 	if (user_mode(regs)) {
 		current->thread.error_code = err;

diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
@@ -372,49 +372,50 @@ do_bad(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
 static struct fsr_info {
 	int	(*fn)(unsigned long addr, unsigned int fsr, struct pt_regs *regs);
 	int	sig;
+	int	code;
 	const char *name;
 } fsr_info[] = {
 	/*
 	 * The following are the standard ARMv3 and ARMv4 aborts.  ARMv5
 	 * defines these to be "precise" aborts.
 	 */
-	{ do_bad,		SIGSEGV, "vector exception"		   },
-	{ do_bad,		SIGILL,	 "alignment exception"		   },
-	{ do_bad,		SIGKILL, "terminal exception"		   },
-	{ do_bad,		SIGILL,	 "alignment exception"		   },
-	{ do_bad,		SIGBUS,	 "external abort on linefetch"	   },
-	{ do_translation_fault,	SIGSEGV, "section translation fault"	   },
-	{ do_bad,		SIGBUS,	 "external abort on linefetch"	   },
-	{ do_page_fault,	SIGSEGV, "page translation fault"	   },
-	{ do_bad,		SIGBUS,	 "external abort on non-linefetch" },
-	{ do_bad,		SIGSEGV, "section domain fault"		   },
-	{ do_bad,		SIGBUS,	 "external abort on non-linefetch" },
-	{ do_bad,		SIGSEGV, "page domain fault"		   },
-	{ do_bad,		SIGBUS,	 "external abort on translation"   },
-	{ do_sect_fault,	SIGSEGV, "section permission fault"	   },
-	{ do_bad,		SIGBUS,	 "external abort on translation"   },
-	{ do_page_fault,	SIGSEGV, "page permission fault"	   },
+	{ do_bad,		SIGSEGV, 0,		"vector exception"		   },
+	{ do_bad,		SIGILL,	 BUS_ADRALN,	"alignment exception"		   },
+	{ do_bad,		SIGKILL, 0,		"terminal exception"		   },
+	{ do_bad,		SIGILL,	 BUS_ADRALN,	"alignment exception"		   },
+	{ do_bad,		SIGBUS,	 0,		"external abort on linefetch"	   },
+	{ do_translation_fault,	SIGSEGV, SEGV_MAPERR,	"section translation fault"	   },
+	{ do_bad,		SIGBUS,	 0,		"external abort on linefetch"	   },
+	{ do_page_fault,	SIGSEGV, SEGV_MAPERR,	"page translation fault"	   },
+	{ do_bad,		SIGBUS,	 0,		"external abort on non-linefetch"  },
+	{ do_bad,		SIGSEGV, SEGV_ACCERR,	"section domain fault"		   },
+	{ do_bad,		SIGBUS,	 0,		"external abort on non-linefetch"  },
+	{ do_bad,		SIGSEGV, SEGV_ACCERR,	"page domain fault"		   },
+	{ do_bad,		SIGBUS,	 0,		"external abort on translation"	   },
+	{ do_sect_fault,	SIGSEGV, SEGV_ACCERR,	"section permission fault"	   },
+	{ do_bad,		SIGBUS,	 0,		"external abort on translation"	   },
+	{ do_page_fault,	SIGSEGV, SEGV_ACCERR,	"page permission fault"		   },
 	/*
 	 * The following are "imprecise" aborts, which are signalled by bit
 	 * 10 of the FSR, and may not be recoverable.  These are only
 	 * supported if the CPU abort handler supports bit 10.
 	 */
-	{ do_bad,		SIGBUS,  "unknown 16"			   },
-	{ do_bad,		SIGBUS,  "unknown 17"			   },
-	{ do_bad,		SIGBUS,  "unknown 18"			   },
-	{ do_bad,		SIGBUS,  "unknown 19"			   },
-	{ do_bad,		SIGBUS,  "lock abort"			   }, /* xscale */
-	{ do_bad,		SIGBUS,  "unknown 21"			   },
-	{ do_bad,		SIGBUS,  "imprecise external abort"	   }, /* xscale */
-	{ do_bad,		SIGBUS,  "unknown 23"			   },
-	{ do_bad,		SIGBUS,  "dcache parity error"		   }, /* xscale */
-	{ do_bad,		SIGBUS,  "unknown 25"			   },
-	{ do_bad,		SIGBUS,  "unknown 26"			   },
-	{ do_bad,		SIGBUS,  "unknown 27"			   },
-	{ do_bad,		SIGBUS,  "unknown 28"			   },
-	{ do_bad,		SIGBUS,  "unknown 29"			   },
-	{ do_bad,		SIGBUS,  "unknown 30"			   },
-	{ do_bad,		SIGBUS,  "unknown 31"			   }
+	{ do_bad,		SIGBUS,  0,		"unknown 16"			   },
+	{ do_bad,		SIGBUS,  0,		"unknown 17"			   },
+	{ do_bad,		SIGBUS,  0,		"unknown 18"			   },
+	{ do_bad,		SIGBUS,  0,		"unknown 19"			   },
+	{ do_bad,		SIGBUS,  0,		"lock abort"			   }, /* xscale */
+	{ do_bad,		SIGBUS,  0,		"unknown 21"			   },
+	{ do_bad,		SIGBUS,  BUS_OBJERR,	"imprecise external abort"	   }, /* xscale */
+	{ do_bad,		SIGBUS,  0,		"unknown 23"			   },
+	{ do_bad,		SIGBUS,  0,		"dcache parity error"		   }, /* xscale */
+	{ do_bad,		SIGBUS,  0,		"unknown 25"			   },
+	{ do_bad,		SIGBUS,  0,		"unknown 26"			   },
+	{ do_bad,		SIGBUS,  0,		"unknown 27"			   },
+	{ do_bad,		SIGBUS,  0,		"unknown 28"			   },
+	{ do_bad,		SIGBUS,  0,		"unknown 29"			   },
+	{ do_bad,		SIGBUS,  0,		"unknown 30"			   },
+	{ do_bad,		SIGBUS,  0,		"unknown 31"			   }
 };
 
 void __init
@@ -435,15 +436,19 @@ asmlinkage void
 do_DataAbort(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
 {
 	const struct fsr_info *inf = fsr_info + (fsr & 15) + ((fsr & (1 << 10)) >> 6);
+	struct siginfo info;
 
 	if (!inf->fn(addr, fsr, regs))
 		return;
 
 	printk(KERN_ALERT "Unhandled fault: %s (0x%03x) at 0x%08lx\n",
 		inf->name, fsr, addr);
-	force_sig(inf->sig, current);
-	show_pte(current->mm, addr);
-	die_if_kernel("Oops", regs, 0);
+
+	info.si_signo = inf->sig;
+	info.si_errno = 0;
+	info.si_code  = inf->code;
+	info.si_addr  = (void __user *)addr;
+	notify_die("", regs, &info, fsr, 0);
 }
 
 asmlinkage void

diff --git a/arch/arm/mm/proc-arm1020.S b/arch/arm/mm/proc-arm1020.S
@@ -445,14 +445,14 @@ __arm1020_setup:
 	/*
 	 *  R
 	 * .RVI ZFRS BLDP WCAM
-	 * .0.1 1001 ..11 0101	/* FIXME: why no V bit? */
+	 * .011 1001 ..11 0101
 	 */
 	.type	arm1020_cr1_clear, #object
 	.type	arm1020_cr1_set, #object
 arm1020_cr1_clear:
 	.word	0x593f
 arm1020_cr1_set:
-	.word	0x1935
+	.word	0x3935
 
 	__INITDATA
 

diff --git a/arch/arm/mm/proc-arm1020e.S b/arch/arm/mm/proc-arm1020e.S
@@ -427,14 +427,14 @@ __arm1020e_setup:
 	/*
 	 *  R
 	 * .RVI ZFRS BLDP WCAM
-	 * .0.1 1001 ..11 0101	/* FIXME: why no V bit? */
+	 * .011 1001 ..11 0101
 	 */
 	.type	arm1020e_cr1_clear, #object
 	.type	arm1020e_cr1_set, #object
 arm1020e_cr1_clear:
 	.word	0x5f3f
 arm1020e_cr1_set:
-	.word	0x1935
+	.word	0x3935
 
 	__INITDATA
 

diff --git a/drivers/mtd/afs.c b/drivers/mtd/afs.c
@@ -219,7 +219,7 @@ static int parse_afs_partitions(struct mtd_info *mtd,
 	 */
 	for (idx = off = 0; off < mtd->size; off += mtd->erasesize) {
 		struct image_info_struct iis;
-		u_int iis_ptr, img_ptr, size;
+		u_int iis_ptr, img_ptr;
 
 		/* Read the footer. */
 		ret = afs_read_footer(mtd, &img_ptr, &iis_ptr, off, mask);
@@ -236,21 +236,9 @@ static int parse_afs_partitions(struct mtd_info *mtd,
 			continue;
 
 		strcpy(str, iis.name);
-		size = mtd->erasesize + off - img_ptr;
-
-		/*
-		 * In order to support JFFS2 partitions on this layout,
-		 * we must lie to MTD about the real size of JFFS2
-		 * partitions; this ensures that the AFS flash footer
-		 * won't be erased by JFFS2.  Please ensure that your
-		 * JFFS2 partitions are given image numbers between
-		 * 1000 and 2000 inclusive.
-		 */
-		if (iis.imageNumber >= 1000 && iis.imageNumber < 2000)
-			size -= mtd->erasesize;
 
 		parts[idx].name		= str;
-		parts[idx].size		= size;
+		parts[idx].size		= (iis.length + mtd->erasesize - 1) & ~(mtd->erasesize - 1);
 		parts[idx].offset	= img_ptr;
 		parts[idx].mask_flags	= 0;
 

diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
@@ -142,7 +142,6 @@ static int fbcon_set_origin(struct vc_data *);
 #define CURSOR_DRAW_DELAY		(1)
 
 /* # VBL ints between cursor state changes */
-#define ARM_CURSOR_BLINK_RATE		(10)
 #define ATARI_CURSOR_BLINK_RATE		(42)
 #define MAC_CURSOR_BLINK_RATE		(32)
 #define DEFAULT_CURSOR_BLINK_RATE	(20)
@@ -288,7 +287,7 @@ static void fb_flashcursor(void *private)
 	release_console_sem();
 }
 
-#if (defined(__arm__) && defined(IRQ_VSYNCPULSE)) || defined(CONFIG_ATARI) || defined(CONFIG_MAC)
+#if defined(CONFIG_ATARI) || defined(CONFIG_MAC)
 static int cursor_blink_rate;
 static irqreturn_t fb_vbl_handler(int irq, void *dev_id, struct pt_regs *fp)
 {
@@ -878,11 +877,6 @@ static const char *fbcon_startup(void)
 	}
 #endif				/* CONFIG_MAC */
 
-#if defined(__arm__) && defined(IRQ_VSYNCPULSE)
-	cursor_blink_rate = ARM_CURSOR_BLINK_RATE;
-	irqres = request_irq(IRQ_VSYNCPULSE, fb_vbl_handler, SA_SHIRQ,
-			     "framebuffer vbl", info);
-#endif
 	/* Initialize the work queue. If the driver provides its
 	 * own work queue this means it will use something besides 
 	 * default timer to flash the cursor. */

diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h
@@ -85,7 +85,9 @@ struct pt_regs;
 void die(const char *msg, struct pt_regs *regs, int err)
 		__attribute__((noreturn));
 
-void die_if_kernel(const char *str, struct pt_regs *regs, int err);
+struct siginfo;
+void notify_die(const char *str, struct pt_regs *regs, struct siginfo *info,
+		unsigned long err, unsigned long trap);
 
 void hook_fault_code(int nr, int (*fn)(unsigned long, unsigned int,
 				       struct pt_regs *),