diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7785.c b/arch/sh/kernel/cpu/sh4a/clock-sh7785.c
index 805535aa505e42dbaddefb5f0ab2681f39a91922..27fa81bef6a07f4a4b1cfceb525dba54ed706fb1 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7785.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7785.c
@@ -26,7 +26,7 @@ static int pfc_divisors[] = { 1, 1, 1, 1, 1, 1, 1, 18,
static void master_clk_init(struct clk *clk)
{
- clk->rate *= 36;
+ clk->rate *= pfc_divisors[ctrl_inl(FRQMR1) & 0x000f];
}
static struct clk_ops sh7785_master_clk_ops = {
diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S
index 926b2e7b11c13a602fcce925c07439e1cdb09229..718bd2356b34bf109a9608d0b6b7d20549dc310a 100644
--- a/arch/sh/kernel/entry-common.S
+++ b/arch/sh/kernel/entry-common.S
@@ -1,9 +1,6 @@
-/* $Id: entry.S,v 1.37 2004/06/11 13:02:46 doyu Exp $
- *
- * linux/arch/sh/entry.S
- *
+/*
* Copyright (C) 1999, 2000, 2002 Niibe Yutaka
- * Copyright (C) 2003 Paul Mundt
+ * Copyright (C) 2003 - 2008 Paul Mundt
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
@@ -262,6 +259,7 @@ __restore_all:
.align 2
syscall_badsys: ! Bad syscall number
+ get_current_thread_info r8, r0
mov #-ENOSYS, r0
bra resume_userspace
mov.l r0, @(OFF_R0,r15) ! Return value
@@ -281,7 +279,9 @@ debug_trap:
mov.l 1f, r8
add r0, r8
mov.l @r8, r8
- jmp @r8
+ jsr @r8
+ nop
+ bra __restore_all
nop
.align 2
diff --git a/arch/sh/kernel/head_32.S b/arch/sh/kernel/head_32.S
index d67d7ed09f2242283fb5cf666149a5c7cb8d0e4b..ae0a382a82ebbf0f18d54767413c3d31ff87685a 100644
--- a/arch/sh/kernel/head_32.S
+++ b/arch/sh/kernel/head_32.S
@@ -30,8 +30,8 @@ ENTRY(empty_zero_page)
.long 0 /* RAMDISK_FLAGS */
.long 0x0200 /* ORIG_ROOT_DEV */
.long 1 /* LOADER_TYPE */
- .long 0x00360000 /* INITRD_START */
- .long 0x000a0000 /* INITRD_SIZE */
+ .long 0x00000000 /* INITRD_START */
+ .long 0x00000000 /* INITRD_SIZE */
#ifdef CONFIG_32BIT
.long 0x53453f00 + 32 /* "SE?" = 32 bit */
#else
diff --git a/arch/sh/kernel/kgdb_stub.c b/arch/sh/kernel/kgdb_stub.c
index 832641bbd47d0c47465f51beac0a779696f0067a..bf8ac4c716402c2b37178a8df448d318dd60af1c 100644
--- a/arch/sh/kernel/kgdb_stub.c
+++ b/arch/sh/kernel/kgdb_stub.c
@@ -274,8 +274,7 @@ static char *mem_to_hex(const char *mem, char *buf, const int count)
}
for (i = 0; i < count; i++) {
ch = *mem++;
- *buf++ = highhex(ch);
- *buf++ = lowhex(ch);
+ buf = pack_hex_byte(buf, ch);
}
*buf = 0;
return (buf);
@@ -427,8 +426,8 @@ static void put_packet(char *buffer)
/* '#' Separator, put high and low components of checksum */
put_debug_char('#');
- put_debug_char(highhex(checksum));
- put_debug_char(lowhex(checksum));
+ put_debug_char(hex_asc_hi(checksum));
+ put_debug_char(hex_asc_lo(checksum));
}
while ((get_debug_char()) != '+'); /* While no ack */
}
@@ -650,8 +649,8 @@ static void undo_single_step(void)
static void send_signal_msg(const int signum)
{
out_buffer[0] = 'S';
- out_buffer[1] = highhex(signum);
- out_buffer[2] = lowhex(signum);
+ out_buffer[1] = hex_asc_hi(signum);
+ out_buffer[2] = hex_asc_lo(signum);
out_buffer[3] = 0;
put_packet(out_buffer);
}
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 516bde9c50fad25bbebbf7b00e9dcd3cc23577f2..bca2bbc575dbe034e7c0ded352c437997ee8308d 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -292,6 +292,17 @@ void __init setup_arch(char **cmdline_p)
ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV);
+ printk(KERN_NOTICE "Boot params:\n"
+ "... MOUNT_ROOT_RDONLY - %08lx\n"
+ "... RAMDISK_FLAGS - %08lx\n"
+ "... ORIG_ROOT_DEV - %08lx\n"
+ "... LOADER_TYPE - %08lx\n"
+ "... INITRD_START - %08lx\n"
+ "... INITRD_SIZE - %08lx\n",
+ MOUNT_ROOT_RDONLY, RAMDISK_FLAGS,
+ ORIG_ROOT_DEV, LOADER_TYPE,
+ INITRD_START, INITRD_SIZE);
+
#ifdef CONFIG_BLK_DEV_RAM
rd_image_start = RAMDISK_FLAGS & RAMDISK_IMAGE_START_MASK;
rd_prompt = ((RAMDISK_FLAGS & RAMDISK_PROMPT_FLAG) != 0);
diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c
index a3bdc68ef02c75adcdbfaca4b5d61c3218c60521..438f1ebcc45330cc0a5d320fee82a4b6840bcf1d 100644
--- a/arch/sh/kernel/traps.c
+++ b/arch/sh/kernel/traps.c
@@ -4,6 +4,7 @@
#include <linux/kdebug.h>
#include <linux/signal.h>
#include <linux/sched.h>
+#include <linux/uaccess.h>
#include <asm/system.h>
#ifdef CONFIG_BUG
@@ -21,7 +22,14 @@ static void handle_BUG(struct pt_regs *regs)
int is_valid_bugaddr(unsigned long addr)
{
- return addr >= PAGE_OFFSET;
+ unsigned short opcode;
+
+ if (addr < PAGE_OFFSET)
+ return 0;
+ if (probe_kernel_address((u16 *)addr, opcode))
+ return 0;
+
+ return opcode == TRAPA_BUG_OPCODE;
}
#endif
diff --git a/arch/sh/lib/memcpy-sh4.S b/arch/sh/lib/memcpy-sh4.S
index 560bc17eebdd6748d1e49e40730a476b3cbe1c3a..459fa92a7c5311b02c1e1f21c74536eb27432ed2 100644
--- a/arch/sh/lib/memcpy-sh4.S
+++ b/arch/sh/lib/memcpy-sh4.S
@@ -126,10 +126,10 @@
mov.l r3,@-r0 ! 30 LS
#else
-3: mov r1,r3 ! OPQR
+3: mov r7,r3 ! OPQR
shlr8 r3 ! xOPQ
- mov.l @(r0,r5),r1 ! KLMN
- mov r1,r6
+ mov.l @(r0,r5),r7 ! KLMN
+ mov r7,r6
shll16 r6
shll8 r6 ! Nxxx
or r6,r3 ! NOPQ
@@ -733,24 +733,24 @@ ENTRY(memcpy)
movca.l r0,@r1 ! 40 LS (latency=3-7)
add #-0x1c, r1 ! 50 EX
- mov.l r3, @(0x1c,r1) ! 33 LS
+ mov.l r3, @(0x18,r1) ! 33 LS
xtrct r11, r10 ! 48 EX
- mov.l r6, @(0x18,r1) ! 33 LS
+ mov.l r6, @(0x14,r1) ! 33 LS
xtrct r12, r11 ! 48 EX
- mov.l r7, @(0x14,r1) ! 33 LS
+ mov.l r7, @(0x10,r1) ! 33 LS
- mov.l r8, @(0x10,r1) ! 33 LS
- add #-0x3e, r5 ! 50 EX
+ mov.l r8, @(0x0c,r1) ! 33 LS
+ add #-0x1e, r5 ! 50 EX
- mov.l r9, @(0x0c,r1) ! 33 LS
+ mov.l r9, @(0x08,r1) ! 33 LS
cmp/eq r2,r1 ! 54 MT
- mov.l r10, @(0x08,r1) ! 33 LS
+ mov.l r10, @(0x04,r1) ! 33 LS
bf/s 2b ! 109 BR
- mov.l r11, @(0x04,r1) ! 33 LS
+ mov.l r11, @(0x00,r1) ! 33 LS
#endif
mov.l @r15+, r12
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 8fdafc27fce8a3bccfcfb840d288c30d7a34857f..ce6ee92b3a1b32fa001dc79c3716ea797288d57b 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -184,15 +184,15 @@ static void put_string(struct sci_port *sci_port, const char *buffer, int count)
int h, l;
c = *p++;
- h = highhex(c);
- l = lowhex(c);
+ h = hex_asc_hi(c);
+ l = hex_asc_lo(c);
put_char(port, h);
put_char(port, l);
checksum += h + l;
}
put_char(port, '#');
- put_char(port, highhex(checksum));
- put_char(port, lowhex(checksum));
+ put_char(port, hex_asc_hi(checksum));
+ put_char(port, hex_asc_lo(checksum));
} while (get_char(port) != '+');
} else
#endif /* CONFIG_SH_STANDARD_BIOS || CONFIG_SH_KGDB */
diff --git a/include/asm-sh/kgdb.h b/include/asm-sh/kgdb.h
index 4bc8cb187d119a8d66bff3995b9f7add0d79e09d..24e42078f36fa80e780cebd92204bacb62ab3e5e 100644
--- a/include/asm-sh/kgdb.h
+++ b/include/asm-sh/kgdb.h
@@ -66,18 +66,4 @@ extern int setjmp(jmp_buf __jmpb);
/* Forced breakpoint */
#define breakpoint() __asm__ __volatile__("trapa #0x3c")
-/* Taken from sh-stub.c of GDB 4.18 */
-static const char hexchars[] = "0123456789abcdef";
-
-/* Get high hex bits */
-static inline char highhex(const int x)
-{
- return hexchars[(x >> 4) & 0xf];
-}
-
-/* Get low hex bits */
-static inline char lowhex(const int x)
-{
- return hexchars[x & 0xf];
-}
#endif