Clean-up code according to the 'checkpatch.pl' script.
Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com>
Reviewed-by: Qais Yousef <Qais.Yousef@imgtec.com>
Patchwork: http://patchwork.linux-mips.org/patch/6097/
Reviewed-by: John Crispin <blogic@openwrt.org>
you to ensure the amount you put in the option and the space your
program requires is less or equal to the amount physically present.
-# this should possibly be in drivers/char, but it is rather cpu related. Hmmm
config MIPS_VPE_APSP_API
bool "Enable support for AP/SP API (RTLX)"
depends on MIPS_VPE_LOADER
/*
- * Amon support
+ * 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
+ * for more details.
+ *
+ * Copyright (C) 2013 Imagination Technologies Ltd.
+ *
+ * Arbitrary Monitor Support (AMON)
*/
-
-int amon_cpu_avail(int);
-int amon_cpu_start(int, unsigned long, unsigned long,
- unsigned long, unsigned long);
+int amon_cpu_avail(int cpu);
+int amon_cpu_start(int cpu, unsigned long pc, unsigned long sp,
+ unsigned long gp, unsigned long a0);
/*
+ * 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
+ * for more details.
+ *
* Copyright (C) 2004, 2005 MIPS Technologies, Inc. All rights reserved.
* Copyright (C) 2013 Imagination Technologies Ltd.
*/
-
#ifndef __ASM_RTLX_H_
#define __ASM_RTLX_H_
/*
+ * 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
+ * for more details.
+ *
* Copyright (C) 2005 MIPS Technologies, Inc. All rights reserved.
* Copyright (C) 2013 Imagination Technologies Ltd.
- *
- * This program is free software; you can distribute it and/or modify it
- * under the terms of the GNU General Public License (Version 2) as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
*/
-
#ifndef _ASM_VPE_H
#define _ASM_VPE_H
/*
+ * 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
+ * for more details.
+ *
* Copyright (C) 2005 MIPS Technologies, Inc. All rights reserved.
* Copyright (C) 2005, 06 Ralf Baechle (ralf@linux-mips.org)
- *
- * This program is free software; you can distribute it and/or modify it
- * under the terms of the GNU General Public License (Version 2) as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
+ * Copyright (C) 2013 Imagination Technologies Ltd.
*/
-
-#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/fs.h>
-#include <linux/init.h>
-#include <asm/uaccess.h>
-#include <linux/list.h>
-#include <linux/vmalloc.h>
-#include <linux/elf.h>
-#include <linux/seq_file.h>
#include <linux/syscalls.h>
#include <linux/moduleloader.h>
-#include <linux/interrupt.h>
-#include <linux/poll.h>
-#include <linux/sched.h>
-#include <linux/wait.h>
+#include <linux/atomic.h>
#include <asm/mipsmtregs.h>
#include <asm/mips_mt.h>
-#include <asm/cacheflush.h>
-#include <linux/atomic.h>
-#include <asm/cpu.h>
#include <asm/processor.h>
-#include <asm/vpe.h>
#include <asm/rtlx.h>
#include <asm/setup.h>
+#include <asm/vpe.h>
static int sp_stopping;
struct rtlx_info *rtlx;
{
int i;
- printk("id 0x%lx state %d\n", rtlx->id, rtlx->state);
+ pr_info("id 0x%lx state %d\n", rtlx->id, rtlx->state);
for (i = 0; i < RTLX_CHANNELS; i++) {
struct rtlx_channel *chan = &rtlx->channel[i];
- printk(" rt_state %d lx_state %d buffer_size %d\n",
- chan->rt_state, chan->lx_state, chan->buffer_size);
+ pr_info(" rt_state %d lx_state %d buffer_size %d\n",
+ chan->rt_state, chan->lx_state, chan->buffer_size);
- printk(" rt_read %d rt_write %d\n",
- chan->rt_read, chan->rt_write);
+ pr_info(" rt_read %d rt_write %d\n",
+ chan->rt_read, chan->rt_write);
- printk(" lx_read %d lx_write %d\n",
- chan->lx_read, chan->lx_write);
+ pr_info(" lx_read %d lx_write %d\n",
+ chan->lx_read, chan->lx_write);
- printk(" rt_buffer <%s>\n", chan->rt_buffer);
- printk(" lx_buffer <%s>\n", chan->lx_buffer);
+ pr_info(" rt_buffer <%s>\n", chan->rt_buffer);
+ pr_info(" lx_buffer <%s>\n", chan->lx_buffer);
}
}
static int rtlx_init(struct rtlx_info *rtlxi)
{
if (rtlxi->id != RTLX_ID) {
- printk(KERN_ERR "no valid RTLX id at 0x%p 0x%lx\n",
- rtlxi, rtlxi->id);
+ pr_err("no valid RTLX id at 0x%p 0x%lx\n", rtlxi, rtlxi->id);
return -ENOEXEC;
}
sp_stopping = 0;
/* force a reload of rtlx */
- rtlx=NULL;
+ rtlx = NULL;
/* wake up any sleeping rtlx_open's */
for (i = 0; i < RTLX_CHANNELS; i++)
int ret = 0;
if (index >= RTLX_CHANNELS) {
- printk(KERN_DEBUG "rtlx_open index out of range\n");
+ pr_debug(KERN_DEBUG "rtlx_open index out of range\n");
return -ENOSYS;
}
if (atomic_inc_return(&channel_wqs[index].in_open) > 1) {
- printk(KERN_DEBUG "rtlx_open channel %d already opened\n",
- index);
+ pr_debug(KERN_DEBUG "rtlx_open channel %d already opened\n", index);
ret = -EBUSY;
goto out_fail;
}
if (rtlx == NULL) {
- if( (p = vpe_get_shared(tclimit)) == NULL) {
- if (can_sleep) {
- ret = __wait_event_interruptible(
+ p = vpe_get_shared(aprp_cpu_index());
+ if (p == NULL) {
+ if (can_sleep) {
+ ret = __wait_event_interruptible(
channel_wqs[index].lx_queue,
- (p = vpe_get_shared(tclimit)));
- if (ret)
+ (p = vpe_get_shared(aprp_cpu_index())));
+ if (ret)
+ goto out_fail;
+ } else {
+ pr_debug("No SP program loaded, and device opened with O_NONBLOCK\n");
+ ret = -ENOSYS;
goto out_fail;
- } else {
- printk(KERN_DEBUG "No SP program loaded, and device "
- "opened with O_NONBLOCK\n");
- ret = -ENOSYS;
- goto out_fail;
- }
+ }
}
smp_rmb();
ret = -ERESTARTSYS;
goto out_fail;
}
- finish_wait(&channel_wqs[index].lx_queue, &wait);
+ finish_wait(&channel_wqs[index].lx_queue,
+ &wait);
} else {
- pr_err(" *vpe_get_shared is NULL. "
- "Has an SP program been loaded?\n");
+ pr_err(" *vpe_get_shared is NULL. Has an SP program been loaded?\n");
ret = -ENOSYS;
goto out_fail;
}
}
if ((unsigned int)*p < KSEG0) {
- printk(KERN_WARNING "vpe_get_shared returned an "
- "invalid pointer maybe an error code %d\n",
- (int)*p);
+ pr_warn("vpe_get_shared returned an invalid pointer maybe an error code %d\n",
+ (int)*p);
ret = -ENOSYS;
goto out_fail;
}
- if ((ret = rtlx_init(*p)) < 0)
+ ret = rtlx_init(*p);
+ if (ret < 0)
goto out_ret;
}
size_t fl;
if (rtlx == NULL)
- return(-ENOSYS);
+ return -ENOSYS;
rt = &rtlx->channel[index];
rt_read = rt->rt_read;
/* total number of bytes to copy */
- count = min(count, (size_t)write_spacefree(rt_read, rt->rt_write,
- rt->buffer_size));
+ count = min_t(size_t, count, write_spacefree(rt_read, rt->rt_write,
+ rt->buffer_size));
/* first bit from write pointer to the end of the buffer, or count */
fl = min(count, (size_t) rt->buffer_size - rt->rt_write);
goto out;
/* if there's any left copy to the beginning of the buffer */
- if (count - fl) {
+ if (count - fl)
failed = copy_from_user(rt->rt_buffer, buffer + fl, count - fl);
- }
out:
count -= failed;
return rtlx_release(iminor(inode));
}
-static unsigned int file_poll(struct file *file, poll_table * wait)
+static unsigned int file_poll(struct file *file, poll_table *wait)
{
int minor = iminor(file_inode(file));
unsigned int mask = 0;
return mask;
}
-static ssize_t file_read(struct file *file, char __user * buffer, size_t count,
- loff_t * ppos)
+static ssize_t file_read(struct file *file, char __user *buffer, size_t count,
+ loff_t *ppos)
{
int minor = iminor(file_inode(file));
/* data available? */
- if (!rtlx_read_poll(minor, (file->f_flags & O_NONBLOCK) ? 0 : 1)) {
- return 0; // -EAGAIN makes cat whinge
- }
+ if (!rtlx_read_poll(minor, (file->f_flags & O_NONBLOCK) ? 0 : 1))
+ return 0; /* -EAGAIN makes 'cat' whine */
return rtlx_read(minor, buffer, count);
}
-static ssize_t file_write(struct file *file, const char __user * buffer,
- size_t count, loff_t * ppos)
+static ssize_t file_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *ppos)
{
int minor = iminor(file_inode(file));
const struct file_operations rtlx_fops = {
.owner = THIS_MODULE,
- .open = file_open,
+ .open = file_open,
.release = file_release,
.write = file_write,
- .read = file_read,
- .poll = file_poll,
+ .read = file_read,
+ .poll = file_poll,
.llseek = noop_llseek,
};
int vpe_run(struct vpe *v)
{
unsigned long flags, val, dmt_flag;
- struct vpe_notifications *n;
+ struct vpe_notifications *notifier;
unsigned int vpeflags;
struct tc *t;
emt(dmt_flag);
local_irq_restore(flags);
- list_for_each_entry(n, &v->notify, list)
- n->start(VPE_MODULE_MINOR);
+ list_for_each_entry(notifier, &v->notify, list)
+ notifier->start(VPE_MODULE_MINOR);
return 0;
}
/*
- * Copyright (C) 2004, 2005 MIPS Technologies, Inc. All rights reserved.
- *
- * This program is free software; you can distribute it and/or modify it
- * under the terms of the GNU General Public License (Version 2) as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- */
-
-/*
- * VPE support module
+ * 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
+ * for more details.
*
- * Provides support for loading a MIPS SP program on VPE1.
- * The SP environment is rather simple, no tlb's. It needs to be relocatable
- * (or partially linked). You should initialise your stack in the startup
- * code. This loader looks for the symbol __start and sets up
- * execution to resume from there. The MIPS SDE kit contains suitable examples.
+ * Copyright (C) 2004, 2005 MIPS Technologies, Inc. All rights reserved.
+ * Copyright (C) 2013 Imagination Technologies Ltd.
*
- * To load and run, simply cat a SP 'program file' to /dev/vpe1.
- * i.e cat spapp >/dev/vpe1.
+ * VPE spport module for loading a MIPS SP program into VPE1. The SP
+ * environment is rather simple since there are no TLBs. It needs
+ * to be relocatable (or partiall linked). Initialize your stack in
+ * the startup-code. The loader looks for the symbol __start and sets
+ * up the execution to resume from there. To load and run, simply do
+ * a cat SP 'binary' to the /dev/vpe1 device.
*/
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/fs.h>
#include <linux/init.h>
-#include <asm/uaccess.h>
#include <linux/slab.h>
#include <linux/list.h>
#include <linux/vmalloc.h>
#include <asm/mipsmtregs.h>
#include <asm/cacheflush.h>
#include <linux/atomic.h>
-#include <asm/cpu.h>
#include <asm/mips_mt.h>
#include <asm/processor.h>
#include <asm/vpe.h>
{
struct vpe *v;
- if ((v = kzalloc(sizeof(struct vpe), GFP_KERNEL)) == NULL)
- return NULL;
+ v = kzalloc(sizeof(struct vpe), GFP_KERNEL);
+ if (v == NULL)
+ goto out;
INIT_LIST_HEAD(&v->tc);
spin_lock(&vpecontrol.vpe_list_lock);
INIT_LIST_HEAD(&v->notify);
v->minor = VPE_MODULE_MINOR;
+out:
return v;
}
{
struct tc *tc;
- if ((tc = kzalloc(sizeof(struct tc), GFP_KERNEL)) == NULL)
+ tc = kzalloc(sizeof(struct tc), GFP_KERNEL);
+ if (tc == NULL)
goto out;
INIT_LIST_HEAD(&tc->tc);
kfree(v);
}
-/* Find some VPE program space */
+/* Find some VPE program space */
void *alloc_progmem(unsigned long len)
{
void *addr;
}
/* Update size with this section: return offset. */
-static long get_offset(unsigned long *size, Elf_Shdr * sechdr)
+static long get_offset(unsigned long *size, Elf_Shdr *sechdr)
{
long ret;
might -- code, read-only data, read-write data, small data. Tally
sizes, and place the offsets into sh_entsize fields: high bit means it
belongs in init. */
-static void layout_sections(struct module *mod, const Elf_Ehdr * hdr,
- Elf_Shdr * sechdrs, const char *secstrings)
+static void layout_sections(struct module *mod, const Elf_Ehdr *hdr,
+ Elf_Shdr *sechdrs, const char *secstrings)
{
static unsigned long const masks[][2] = {
/* NOTE: all executable code must be the first section
for (i = 0; i < hdr->e_shnum; ++i) {
Elf_Shdr *s = &sechdrs[i];
- // || strncmp(secstrings + s->sh_name, ".init", 5) == 0)
if ((s->sh_flags & masks[m][0]) != masks[m][0]
|| (s->sh_flags & masks[m][1])
|| s->sh_entsize != ~0UL)
}
}
-
/* from module-elf32.c, but subverted a little */
struct mips_hi16 {
{
int rel;
- if( !(*location & 0xffff) ) {
+ if (!(*location & 0xffff)) {
rel = (int)v - gp_addr;
- }
- else {
+ } else {
/* .sbss + gp(relative) + offset */
/* kludge! */
rel = (int)(short)((int)v + gp_offs +
(int)(short)(*location & 0xffff) - gp_addr);
}
- if( (rel > 32768) || (rel < -32768) ) {
- printk(KERN_DEBUG "VPE loader: apply_r_mips_gprel16: "
- "relative address 0x%x out of range of gp register\n",
- rel);
+ if ((rel > 32768) || (rel < -32768)) {
+ pr_debug("VPE loader: apply_r_mips_gprel16: relative address 0x%x out of range of gp register\n",
+ rel);
return -ENOEXEC;
}
{
int rel;
rel = (((unsigned int)v - (unsigned int)location));
- rel >>= 2; // because the offset is in _instructions_ not bytes.
- rel -= 1; // and one instruction less due to the branch delay slot.
+ rel >>= 2; /* because the offset is in _instructions_ not bytes. */
+ rel -= 1; /* and one instruction less due to the branch delay slot. */
- if( (rel > 32768) || (rel < -32768) ) {
- printk(KERN_DEBUG "VPE loader: "
- "apply_r_mips_pc16: relative address out of range 0x%x\n", rel);
+ if ((rel > 32768) || (rel < -32768)) {
+ pr_debug("VPE loader: apply_r_mips_pc16: relative address out of range 0x%x\n",
+ rel);
return -ENOEXEC;
}
Elf32_Addr v)
{
if (v % 4) {
- printk(KERN_DEBUG "VPE loader: apply_r_mips_26 "
- " unaligned relocation\n");
+ pr_debug("VPE loader: apply_r_mips_26: unaligned relocation\n");
return -ENOEXEC;
}
* the carry we need to add. Save the information, and let LO16 do the
* actual relocation.
*/
- n = kmalloc(sizeof *n, GFP_KERNEL);
+ n = kmalloc(sizeof(*n), GFP_KERNEL);
if (!n)
return -ENOMEM;
* The value for the HI16 had best be the same.
*/
if (v != l->value) {
- printk(KERN_DEBUG "VPE loader: "
- "apply_r_mips_lo16/hi16: \t"
- "inconsistent value information\n");
+ pr_debug("VPE loader: apply_r_mips_lo16/hi16: inconsistent value information\n");
goto out_free;
}
+ ELF32_R_SYM(r_info);
if (!sym->st_value) {
- printk(KERN_DEBUG "%s: undefined weak symbol %s\n",
- me->name, strtab + sym->st_name);
+ pr_debug("%s: undefined weak symbol %s\n",
+ me->name, strtab + sym->st_name);
/* just print the warning, dont barf */
}
v = sym->st_value;
res = reloc_handlers[ELF32_R_TYPE(r_info)](me, location, v);
- if( res ) {
+ if (res) {
char *r = rstrs[ELF32_R_TYPE(r_info)];
- printk(KERN_WARNING "VPE loader: .text+0x%x "
- "relocation type %s for symbol \"%s\" failed\n",
- rel[i].r_offset, r ? r : "UNKNOWN",
- strtab + sym->st_name);
+ pr_warn("VPE loader: .text+0x%x relocation type %s for symbol \"%s\" failed\n",
+ rel[i].r_offset, r ? r : "UNKNOWN",
+ strtab + sym->st_name);
return res;
}
}
}
/* end module-elf32.c */
-
-
/* Change all symbols so that sh_value encodes the pointer directly. */
-static void simplify_symbols(Elf_Shdr * sechdrs,
+static void simplify_symbols(Elf_Shdr *sechdrs,
unsigned int symindex,
const char *strtab,
const char *secstrings,
break;
case SHN_MIPS_SCOMMON:
- printk(KERN_DEBUG "simplify_symbols: ignoring SHN_MIPS_SCOMMON "
- "symbol <%s> st_shndx %d\n", strtab + sym[i].st_name,
- sym[i].st_shndx);
- // .sbss section
+ pr_debug("simplify_symbols: ignoring SHN_MIPS_SCOMMON symbol <%s> st_shndx %d\n",
+ strtab + sym[i].st_name, sym[i].st_shndx);
+ /* .sbss section */
break;
default:
secbase = sechdrs[sym[i].st_shndx].sh_addr;
- if (strncmp(strtab + sym[i].st_name, "_gp", 3) == 0) {
+ if (strncmp(strtab + sym[i].st_name, "_gp", 3) == 0)
save_gp_address(secbase, sym[i].st_value);
- }
sym[i].st_value += secbase;
break;
}
#ifdef DEBUG_ELFLOADER
-static void dump_elfsymbols(Elf_Shdr * sechdrs, unsigned int symindex,
+static void dump_elfsymbols(Elf_Shdr *sechdrs, unsigned int symindex,
const char *strtab, struct module *mod)
{
Elf_Sym *sym = (void *)sechdrs[symindex].sh_addr;
unsigned int i, n = sechdrs[symindex].sh_size / sizeof(Elf_Sym);
- printk(KERN_DEBUG "dump_elfsymbols: n %d\n", n);
+ pr_debug("dump_elfsymbols: n %d\n", n);
for (i = 1; i < n; i++) {
- printk(KERN_DEBUG " i %d name <%s> 0x%x\n", i,
- strtab + sym[i].st_name, sym[i].st_value);
+ pr_debug(" i %d name <%s> 0x%x\n", i, strtab + sym[i].st_name,
+ sym[i].st_value);
}
}
#endif
-static int find_vpe_symbols(struct vpe * v, Elf_Shdr * sechdrs,
+static int find_vpe_symbols(struct vpe *v, Elf_Shdr *sechdrs,
unsigned int symindex, const char *strtab,
struct module *mod)
{
unsigned int i, n = sechdrs[symindex].sh_size / sizeof(Elf_Sym);
for (i = 1; i < n; i++) {
- if (strcmp(strtab + sym[i].st_name, "__start") == 0) {
+ if (strcmp(strtab + sym[i].st_name, "__start") == 0)
v->__start = sym[i].st_value;
- }
- if (strcmp(strtab + sym[i].st_name, "vpe_shared") == 0) {
+ if (strcmp(strtab + sym[i].st_name, "vpe_shared") == 0)
v->shared_ptr = (void *)sym[i].st_value;
- }
}
- if ( (v->__start == 0) || (v->shared_ptr == NULL))
+ if ((v->__start == 0) || (v->shared_ptr == NULL))
return -1;
return 0;
* contents of the program (p)buffer performing relocatations/etc, free's it
* when finished.
*/
-static int vpe_elfload(struct vpe * v)
+static int vpe_elfload(struct vpe *v)
{
Elf_Ehdr *hdr;
Elf_Shdr *sechdrs;
long err = 0;
char *secstrings, *strtab = NULL;
unsigned int len, i, symindex = 0, strindex = 0, relocate = 0;
- struct module mod; // so we can re-use the relocations code
+ struct module mod; /* so we can re-use the relocations code */
memset(&mod, 0, sizeof(struct module));
strcpy(mod.name, "VPE loader");
|| (hdr->e_type != ET_REL && hdr->e_type != ET_EXEC)
|| !elf_check_arch(hdr)
|| hdr->e_shentsize != sizeof(*sechdrs)) {
- printk(KERN_WARNING
- "VPE loader: program wrong arch or weird elf version\n");
+ pr_warn("VPE loader: program wrong arch or weird elf version\n");
return -ENOEXEC;
}
relocate = 1;
if (len < hdr->e_shoff + hdr->e_shnum * sizeof(Elf_Shdr)) {
- printk(KERN_ERR "VPE loader: program length %u truncated\n",
- len);
+ pr_err("VPE loader: program length %u truncated\n", len);
return -ENOEXEC;
}
if (relocate) {
for (i = 1; i < hdr->e_shnum; i++) {
- if (sechdrs[i].sh_type != SHT_NOBITS
- && len < sechdrs[i].sh_offset + sechdrs[i].sh_size) {
- printk(KERN_ERR "VPE program length %u truncated\n",
+ if ((sechdrs[i].sh_type != SHT_NOBITS) &&
+ (len < sechdrs[i].sh_offset + sechdrs[i].sh_size)) {
+ pr_err("VPE program length %u truncated\n",
len);
return -ENOEXEC;
}
/* Mark all sections sh_addr with their address in the
temporary image. */
- sechdrs[i].sh_addr = (size_t) hdr + sechdrs[i].sh_offset;
+ sechdrs[i].sh_addr = (size_t) hdr +
+ sechdrs[i].sh_offset;
/* Internal symbols and strings. */
if (sechdrs[i].sh_type == SHT_SYMTAB) {
symindex = i;
strindex = sechdrs[i].sh_link;
- strtab = (char *)hdr + sechdrs[strindex].sh_offset;
+ strtab = (char *)hdr +
+ sechdrs[strindex].sh_offset;
}
}
layout_sections(&mod, hdr, sechdrs, secstrings);
/* Update sh_addr to point to copy in image. */
sechdrs[i].sh_addr = (unsigned long)dest;
- printk(KERN_DEBUG " section sh_name %s sh_addr 0x%x\n",
- secstrings + sechdrs[i].sh_name, sechdrs[i].sh_addr);
+ pr_debug(" section sh_name %s sh_addr 0x%x\n",
+ secstrings + sechdrs[i].sh_name,
+ sechdrs[i].sh_addr);
}
/* Fix up syms, so that st_value is a pointer to location. */
continue;
if (sechdrs[i].sh_type == SHT_REL)
- err = apply_relocations(sechdrs, strtab, symindex, i,
- &mod);
+ err = apply_relocations(sechdrs, strtab,
+ symindex, i, &mod);
else if (sechdrs[i].sh_type == SHT_RELA)
- err = apply_relocate_add(sechdrs, strtab, symindex, i,
- &mod);
+ err = apply_relocate_add(sechdrs, strtab,
+ symindex, i, &mod);
if (err < 0)
return err;
}
} else {
- struct elf_phdr *phdr = (struct elf_phdr *) ((char *)hdr + hdr->e_phoff);
+ struct elf_phdr *phdr = (struct elf_phdr *)
+ ((char *)hdr + hdr->e_phoff);
for (i = 0; i < hdr->e_phnum; i++) {
if (phdr->p_type == PT_LOAD) {
if (sechdrs[i].sh_type == SHT_SYMTAB) {
symindex = i;
strindex = sechdrs[i].sh_link;
- strtab = (char *)hdr + sechdrs[strindex].sh_offset;
-
- /* mark the symtab's address for when we try to find the
- magic symbols */
- sechdrs[i].sh_addr = (size_t) hdr + sechdrs[i].sh_offset;
+ strtab = (char *)hdr +
+ sechdrs[strindex].sh_offset;
+
+ /*
+ * mark symtab's address for when we try
+ * to find the magic symbols
+ */
+ sechdrs[i].sh_addr = (size_t) hdr +
+ sechdrs[i].sh_offset;
}
}
}
if ((find_vpe_symbols(v, sechdrs, symindex, strtab, &mod)) < 0) {
if (v->__start == 0) {
- printk(KERN_WARNING "VPE loader: program does not contain "
- "a __start symbol\n");
+ pr_warn("VPE loader: program does not contain a __start symbol\n");
return -ENOEXEC;
}
if (v->shared_ptr == NULL)
- printk(KERN_WARNING "VPE loader: "
- "program does not contain vpe_shared symbol.\n"
- " Unable to use AMVP (AP/SP) facilities.\n");
+ pr_warn("VPE loader: program does not contain vpe_shared symbol.\n"
+ " Unable to use AMVP (AP/SP) facilities.\n");
}
- printk(" elf loaded\n");
+ pr_info(" elf loaded\n");
return 0;
}
static int vpe_open(struct inode *inode, struct file *filp)
{
enum vpe_state state;
- struct vpe_notifications *not;
+ struct vpe_notifications *notifier;
struct vpe *v;
int ret;
if (VPE_MODULE_MINOR != iminor(inode)) {
/* assume only 1 device at the moment. */
- pr_warning("VPE loader: only vpe1 is supported\n");
+ pr_warn("VPE loader: only vpe1 is supported\n");
return -ENODEV;
}
- if ((v = get_vpe(aprp_cpu_index())) == NULL) {
- pr_warning("VPE loader: unable to get vpe\n");
+ v = get_vpe(aprp_cpu_index());
+ if (v == NULL) {
+ pr_warn("VPE loader: unable to get vpe\n");
return -ENODEV;
}
state = xchg(&v->state, VPE_STATE_INUSE);
if (state != VPE_STATE_UNUSED) {
- printk(KERN_DEBUG "VPE loader: tc in use dumping regs\n");
+ pr_debug("VPE loader: tc in use dumping regs\n");
- list_for_each_entry(not, &v->notify, list) {
- not->stop(aprp_cpu_index());
- }
+ list_for_each_entry(notifier, &v->notify, list)
+ notifier->stop(aprp_cpu_index());
release_progmem(v->load_addr);
cleanup_tc(get_tc(aprp_cpu_index()));
/* this of-course trashes what was there before... */
v->pbuffer = vmalloc(P_SIZE);
if (!v->pbuffer) {
- pr_warning("VPE loader: unable to allocate memory\n");
+ pr_warn("VPE loader: unable to allocate memory\n");
return -ENOMEM;
}
v->plen = P_SIZE;
v->cwd[0] = 0;
ret = getcwd(v->cwd, VPE_PATH_MAX);
if (ret < 0)
- printk(KERN_WARNING "VPE loader: open, getcwd returned %d\n", ret);
+ pr_warn("VPE loader: open, getcwd returned %d\n", ret);
v->shared_ptr = NULL;
v->__start = 0;
if ((vpe_elfload(v) >= 0) && vpe_run) {
vpe_run(v);
} else {
- printk(KERN_WARNING "VPE loader: ELF load failed.\n");
+ pr_warn("VPE loader: ELF load failed.\n");
ret = -ENOEXEC;
}
} else {
- printk(KERN_WARNING "VPE loader: only elf files are supported\n");
+ pr_warn("VPE loader: only elf files are supported\n");
ret = -ENOEXEC;
}
return ret;
}
-static ssize_t vpe_write(struct file *file, const char __user * buffer,
- size_t count, loff_t * ppos)
+static ssize_t vpe_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *ppos)
{
size_t ret = count;
struct vpe *v;
return -ENODEV;
v = get_vpe(aprp_cpu_index());
+
if (v == NULL)
return -ENODEV;
if ((count + v->len) > v->plen) {
- printk(KERN_WARNING
- "VPE loader: elf size too big. Perhaps strip uneeded symbols\n");
+ pr_warn("VPE loader: elf size too big. Perhaps strip uneeded symbols\n");
return -ENOMEM;
}
void *vpe_get_shared(int index)
{
- struct vpe *v;
+ struct vpe *v = get_vpe(index);
- if ((v = get_vpe(index)) == NULL)
+ if (v == NULL)
return NULL;
return v->shared_ptr;
}
-
EXPORT_SYMBOL(vpe_get_shared);
int vpe_getuid(int index)
{
- struct vpe *v;
+ struct vpe *v = get_vpe(index);
- if ((v = get_vpe(index)) == NULL)
+ if (v == NULL)
return -1;
return v->uid;
}
-
EXPORT_SYMBOL(vpe_getuid);
int vpe_getgid(int index)
{
- struct vpe *v;
+ struct vpe *v = get_vpe(index);
- if ((v = get_vpe(index)) == NULL)
+ if (v == NULL)
return -1;
return v->gid;
}
-
EXPORT_SYMBOL(vpe_getgid);
int vpe_notify(int index, struct vpe_notifications *notify)
{
- struct vpe *v;
+ struct vpe *v = get_vpe(index);
- if ((v = get_vpe(index)) == NULL)
+ if (v == NULL)
return -1;
list_add(¬ify->list, &v->notify);
return 0;
}
-
EXPORT_SYMBOL(vpe_notify);
char *vpe_getcwd(int index)
{
- struct vpe *v;
+ struct vpe *v = get_vpe(index);
- if ((v = get_vpe(index)) == NULL)
+ if (v == NULL)
return NULL;
return v->cwd;
}
-
EXPORT_SYMBOL(vpe_getcwd);
module_init(vpe_module_init);
/*
- * Copyright (C) 2007 MIPS Technologies, Inc.
- * All rights reserved.
-
- * This program is free software; you can distribute it and/or modify it
- * under the terms of the GNU General Public License (Version 2) as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
+ * 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
+ * for more details.
*
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ * Copyright (C) 2007 MIPS Technologies, Inc. All rights reserved.
+ * Copyright (C) 2013 Imagination Technologies Ltd.
*
- * Arbitrary Monitor interface
+ * Arbitrary Monitor Interface
*/
-
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/smp.h>
#include <asm/addrspace.h>
-#include <asm/mips-boards/launch.h>
#include <asm/mipsmtregs.h>
+#include <asm/mips-boards/launch.h>
#include <asm/vpe.h>
int amon_cpu_avail(int cpu)
/*
+ * 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
+ * for more details.
+ *
* Carsten Langgaard, carstenl@mips.com
* Copyright (C) 2000, 2001, 2004 MIPS Technologies, Inc.
* Copyright (C) 2001 Ralf Baechle
* Copyright (C) 2013 Imagination Technologies Ltd.
*
- * This program is free software; you can distribute it and/or modify it
- * under the terms of the GNU General Public License (Version 2) as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
* Routines for generic manipulation of the interrupts found on the MIPS
- * Malta board.
- * The interrupt controller is located in the South Bridge a PIIX4 device
- * with two internal 82C95 interrupt controllers.
+ * Malta board. The interrupt controller is located in the South Bridge
+ * a PIIX4 device with two internal 82C95 interrupt controllers.
*/
#include <linux/init.h>
#include <linux/irq.h>
BONITO_PCIMAP_CFG = 0;
break;
default:
- printk(KERN_WARNING "Unknown system controller.\n");
+ pr_emerg("Unknown system controller.\n");
return -1;
}
return irq;
unsigned int intrcause, datalo, datahi;
struct pt_regs *regs = get_irq_regs();
- printk(KERN_EMERG "CoreHI interrupt, shouldn't happen, we die here!\n");
- printk(KERN_EMERG "epc : %08lx\nStatus: %08lx\n"
- "Cause : %08lx\nbadVaddr : %08lx\n",
- regs->cp0_epc, regs->cp0_status,
- regs->cp0_cause, regs->cp0_badvaddr);
+ pr_emerg("CoreHI interrupt, shouldn't happen, we die here!\n");
+ pr_emerg("epc : %08lx\nStatus: %08lx\n"
+ "Cause : %08lx\nbadVaddr : %08lx\n",
+ regs->cp0_epc, regs->cp0_status,
+ regs->cp0_cause, regs->cp0_badvaddr);
/* Read all the registers and then print them as there is a
problem with interspersed printk's upsetting the Bonito controller.
intrcause = GT_READ(GT_INTRCAUSE_OFS);
datalo = GT_READ(GT_CPUERR_ADDRLO_OFS);
datahi = GT_READ(GT_CPUERR_ADDRHI_OFS);
- printk(KERN_EMERG "GT_INTRCAUSE = %08x\n", intrcause);
- printk(KERN_EMERG "GT_CPUERR_ADDR = %02x%08x\n",
+ pr_emerg("GT_INTRCAUSE = %08x\n", intrcause);
+ pr_emerg("GT_CPUERR_ADDR = %02x%08x\n",
datahi, datalo);
break;
case MIPS_REVISION_SCON_BONITO:
intedge = BONITO_INTEDGE;
intsteer = BONITO_INTSTEER;
pcicmd = BONITO_PCICMD;
- printk(KERN_EMERG "BONITO_INTISR = %08x\n", intisr);
- printk(KERN_EMERG "BONITO_INTEN = %08x\n", inten);
- printk(KERN_EMERG "BONITO_INTPOL = %08x\n", intpol);
- printk(KERN_EMERG "BONITO_INTEDGE = %08x\n", intedge);
- printk(KERN_EMERG "BONITO_INTSTEER = %08x\n", intsteer);
- printk(KERN_EMERG "BONITO_PCICMD = %08x\n", pcicmd);
- printk(KERN_EMERG "BONITO_PCIBADADDR = %08x\n", pcibadaddr);
- printk(KERN_EMERG "BONITO_PCIMSTAT = %08x\n", pcimstat);
+ pr_emerg("BONITO_INTISR = %08x\n", intisr);
+ pr_emerg("BONITO_INTEN = %08x\n", inten);
+ pr_emerg("BONITO_INTPOL = %08x\n", intpol);
+ pr_emerg("BONITO_INTEDGE = %08x\n", intedge);
+ pr_emerg("BONITO_INTSTEER = %08x\n", intsteer);
+ pr_emerg("BONITO_PCICMD = %08x\n", pcicmd);
+ pr_emerg("BONITO_PCIBADADDR = %08x\n", pcibadaddr);
+ pr_emerg("BONITO_PCIMSTAT = %08x\n", pcimstat);
break;
}
.flags = IRQF_NO_THREAD,
};
-static msc_irqmap_t __initdata msc_irqmap[] = {
+static msc_irqmap_t msc_irqmap[] __initdata = {
{MSC01C_INT_TMR, MSC01_IRQ_EDGE, 0},
{MSC01C_INT_PCI, MSC01_IRQ_LEVEL, 0},
};
-static int __initdata msc_nr_irqs = ARRAY_SIZE(msc_irqmap);
+static int msc_nr_irqs __initdata = ARRAY_SIZE(msc_irqmap);
-static msc_irqmap_t __initdata msc_eicirqmap[] = {
+static msc_irqmap_t msc_eicirqmap[] __initdata = {
{MSC01E_INT_SW0, MSC01_IRQ_LEVEL, 0},
{MSC01E_INT_SW1, MSC01_IRQ_LEVEL, 0},
{MSC01E_INT_I8259A, MSC01_IRQ_LEVEL, 0},
{MSC01E_INT_CPUCTR, MSC01_IRQ_LEVEL, 0}
};
-static int __initdata msc_nr_eicirqs = ARRAY_SIZE(msc_eicirqmap);
+static int msc_nr_eicirqs __initdata = ARRAY_SIZE(msc_eicirqmap);
/*
* This GIC specific tabular array defines the association between External
if (gcmp_present >= 0)
return gcmp_present;
- _gcmp_base = (unsigned long) ioremap_nocache(GCMP_BASE_ADDR, GCMP_ADDRSPACE_SZ);
- _msc01_biu_base = (unsigned long) ioremap_nocache(MSC01_BIU_REG_BASE, MSC01_BIU_ADDRSPACE_SZ);
- gcmp_present = (GCMPGCB(GCMPB) & GCMP_GCB_GCMPB_GCMPBASE_MSK) == GCMP_BASE_ADDR;
+ _gcmp_base = (unsigned long) ioremap_nocache(GCMP_BASE_ADDR,
+ GCMP_ADDRSPACE_SZ);
+ _msc01_biu_base = (unsigned long) ioremap_nocache(MSC01_BIU_REG_BASE,
+ MSC01_BIU_ADDRSPACE_SZ);
+ gcmp_present = ((GCMPGCB(GCMPB) & GCMP_GCB_GCMPB_GCMPBASE_MSK) ==
+ GCMP_BASE_ADDR);
if (gcmp_present)
pr_debug("GCMP present\n");
/* Return the number of IOCU's present */
int __init gcmp_niocu(void)
{
- return gcmp_present ?
- (GCMPGCB(GC) & GCMP_GCB_GC_NUMIOCU_MSK) >> GCMP_GCB_GC_NUMIOCU_SHF :
- 0;
+ return gcmp_present ? ((GCMPGCB(GC) & GCMP_GCB_GC_NUMIOCU_MSK) >>
+ GCMP_GCB_GC_NUMIOCU_SHF) : 0;
}
/* Set GCMP region attributes */
set_vi_handler(MIPSCPU_INT_IPI1, malta_ipi_irqdispatch);
}
/* Argh.. this really needs sorting out.. */
- printk("CPU%d: status register was %08x\n", smp_processor_id(), read_c0_status());
+ pr_info("CPU%d: status register was %08x\n",
+ smp_processor_id(), read_c0_status());
write_c0_status(read_c0_status() | STATUSF_IP3 | STATUSF_IP4);
- printk("CPU%d: status register now %08x\n", smp_processor_id(), read_c0_status());
+ pr_info("CPU%d: status register now %08x\n",
+ smp_processor_id(), read_c0_status());
write_c0_status(0x1100dc00);
- printk("CPU%d: status register frc %08x\n", smp_processor_id(), read_c0_status());
+ pr_info("CPU%d: status register frc %08x\n",
+ smp_processor_id(), read_c0_status());
for (i = 0; i < nr_cpu_ids; i++) {
arch_init_ipiirq(MIPS_GIC_IRQ_BASE +
GIC_RESCHED_INT(i), &irq_resched);
cpu_ipi_call_irq = MSC01E_INT_SW1;
} else {
if (cpu_has_vint) {
- set_vi_handler (MIPS_CPU_IPI_RESCHED_IRQ, ipi_resched_dispatch);
- set_vi_handler (MIPS_CPU_IPI_CALL_IRQ, ipi_call_dispatch);
+ set_vi_handler (MIPS_CPU_IPI_RESCHED_IRQ,
+ ipi_resched_dispatch);
+ set_vi_handler (MIPS_CPU_IPI_CALL_IRQ,
+ ipi_call_dispatch);
}
- cpu_ipi_resched_irq = MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_RESCHED_IRQ;
- cpu_ipi_call_irq = MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_CALL_IRQ;
+ cpu_ipi_resched_irq = MIPS_CPU_IRQ_BASE +
+ MIPS_CPU_IPI_RESCHED_IRQ;
+ cpu_ipi_call_irq = MIPS_CPU_IRQ_BASE +
+ MIPS_CPU_IPI_CALL_IRQ;
}
arch_init_ipiirq(cpu_ipi_resched_irq, &irq_resched);
arch_init_ipiirq(cpu_ipi_call_irq, &irq_call);
void malta_be_init(void)
{
- if (gcmp_present) {
- /* Could change CM error mask register */
- }
+ /* Could change CM error mask register. */
}
if (cause < 16) {
unsigned long cca_bits = (cm_error >> 15) & 7;
unsigned long tr_bits = (cm_error >> 12) & 7;
- unsigned long mcmd_bits = (cm_error >> 7) & 0x1f;
+ unsigned long cmd_bits = (cm_error >> 7) & 0x1f;
unsigned long stag_bits = (cm_error >> 3) & 15;
unsigned long sport_bits = (cm_error >> 0) & 7;
snprintf(buf, sizeof(buf),
"CCA=%lu TR=%s MCmd=%s STag=%lu "
"SPort=%lu\n",
- cca_bits, tr[tr_bits], mcmd[mcmd_bits],
+ cca_bits, tr[tr_bits], mcmd[cmd_bits],
stag_bits, sport_bits);
} else {
/* glob state & sresp together */
unsigned long c1_bits = (cm_error >> 12) & 7;
unsigned long c0_bits = (cm_error >> 9) & 7;
unsigned long sc_bit = (cm_error >> 8) & 1;
- unsigned long mcmd_bits = (cm_error >> 3) & 0x1f;
+ unsigned long cmd_bits = (cm_error >> 3) & 0x1f;
unsigned long sport_bits = (cm_error >> 0) & 7;
snprintf(buf, sizeof(buf),
"C3=%s C2=%s C1=%s C0=%s SC=%s "
core[c3_bits], core[c2_bits],
core[c1_bits], core[c0_bits],
sc_bit ? "True" : "False",
- mcmd[mcmd_bits], sport_bits);
+ mcmd[cmd_bits], sport_bits);
}
ocause = (cm_other & GCMP_GCB_GMEO_ERROR_2ND_MSK) >>
GCMP_GCB_GMEO_ERROR_2ND_SHF;
- printk("CM_ERROR=%08lx %s <%s>\n", cm_error,
+ pr_err("CM_ERROR=%08lx %s <%s>\n", cm_error,
causes[cause], buf);
- printk("CM_ADDR =%08lx\n", cm_addr);
- printk("CM_OTHER=%08lx %s\n", cm_other, causes[ocause]);
+ pr_err("CM_ADDR =%08lx\n", cm_addr);
+ pr_err("CM_OTHER=%08lx %s\n", cm_other, causes[ocause]);
/* reprime cause register */
GCMPGCB(GCMEC) = 0;
projects / ~andy / linux / commitdiff