summaryrefslogtreecommitdiffstats
path: root/arch/unicore32
diff options
context:
space:
mode:
Diffstat (limited to 'arch/unicore32')
-rw-r--r--arch/unicore32/Kconfig3
-rw-r--r--arch/unicore32/include/asm/Kbuild1
-rw-r--r--arch/unicore32/include/asm/bug.h3
-rw-r--r--arch/unicore32/include/asm/dma-mapping.h22
-rw-r--r--arch/unicore32/include/asm/processor.h6
-rw-r--r--arch/unicore32/include/uapi/asm/unistd.h1
-rw-r--r--arch/unicore32/kernel/fpu-ucf64.c12
-rw-r--r--arch/unicore32/kernel/hibernate.c2
-rw-r--r--arch/unicore32/kernel/setup.c5
-rw-r--r--arch/unicore32/kernel/traps.c5
-rw-r--r--arch/unicore32/mm/fault.c27
-rw-r--r--arch/unicore32/mm/init.c64
-rw-r--r--arch/unicore32/mm/mmu.c3
13 files changed, 24 insertions, 130 deletions
diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig
index 60eae744d8fd..a4c05159dca5 100644
--- a/arch/unicore32/Kconfig
+++ b/arch/unicore32/Kconfig
@@ -4,7 +4,7 @@ config UNICORE32
select ARCH_HAS_DEVMEM_IS_ALLOWED
select ARCH_MIGHT_HAVE_PC_PARPORT
select ARCH_MIGHT_HAVE_PC_SERIO
- select HAVE_MEMBLOCK
+ select DMA_DIRECT_OPS
select HAVE_GENERIC_DMA_COHERENT
select HAVE_KERNEL_GZIP
select HAVE_KERNEL_BZIP2
@@ -20,7 +20,6 @@ config UNICORE32
select GENERIC_IOMAP
select MODULES_USE_ELF_REL
select NEED_DMA_MAP_STATE
- select SWIOTLB
help
UniCore-32 is 32-bit Instruction Set Architecture,
including a series of low-power-consumption RISC chip
diff --git a/arch/unicore32/include/asm/Kbuild b/arch/unicore32/include/asm/Kbuild
index bfc7abe77905..1372553dc0a9 100644
--- a/arch/unicore32/include/asm/Kbuild
+++ b/arch/unicore32/include/asm/Kbuild
@@ -4,6 +4,7 @@ generic-y += compat.h
generic-y += current.h
generic-y += device.h
generic-y += div64.h
+generic-y += dma-mapping.h
generic-y += emergency-restart.h
generic-y += exec.h
generic-y += extable.h
diff --git a/arch/unicore32/include/asm/bug.h b/arch/unicore32/include/asm/bug.h
index 93a56f3e2344..83c7687a0e61 100644
--- a/arch/unicore32/include/asm/bug.h
+++ b/arch/unicore32/include/asm/bug.h
@@ -17,6 +17,7 @@ struct siginfo;
extern void die(const char *msg, struct pt_regs *regs, int err);
extern void uc32_notify_die(const char *str, struct pt_regs *regs,
- struct siginfo *info, unsigned long err, unsigned long trap);
+ int sig, int code, void __user *addr,
+ unsigned long err, unsigned long trap);
#endif /* __UNICORE_BUG_H__ */
diff --git a/arch/unicore32/include/asm/dma-mapping.h b/arch/unicore32/include/asm/dma-mapping.h
deleted file mode 100644
index 790bc2ef4af2..000000000000
--- a/arch/unicore32/include/asm/dma-mapping.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * linux/arch/unicore32/include/asm/dma-mapping.h
- *
- * Code specific to PKUnity SoC and UniCore ISA
- *
- * Copyright (C) 2001-2010 GUAN Xue-tao
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#ifndef __UNICORE_DMA_MAPPING_H__
-#define __UNICORE_DMA_MAPPING_H__
-
-#include <linux/swiotlb.h>
-
-static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
-{
- return &swiotlb_dma_ops;
-}
-
-#endif
diff --git a/arch/unicore32/include/asm/processor.h b/arch/unicore32/include/asm/processor.h
index 4eaa42167667..b772ed1c0f25 100644
--- a/arch/unicore32/include/asm/processor.h
+++ b/arch/unicore32/include/asm/processor.h
@@ -13,12 +13,6 @@
#ifndef __UNICORE_PROCESSOR_H__
#define __UNICORE_PROCESSOR_H__
-/*
- * Default implementation of macro that returns current
- * instruction pointer ("program counter").
- */
-#define current_text_addr() ({ __label__ _l; _l: &&_l; })
-
#ifdef __KERNEL__
#include <asm/ptrace.h>
diff --git a/arch/unicore32/include/uapi/asm/unistd.h b/arch/unicore32/include/uapi/asm/unistd.h
index 65856eaab163..1e8fe5941b8a 100644
--- a/arch/unicore32/include/uapi/asm/unistd.h
+++ b/arch/unicore32/include/uapi/asm/unistd.h
@@ -15,4 +15,5 @@
/* Use the standard ABI for syscalls. */
#include <asm-generic/unistd.h>
+#define __ARCH_WANT_STAT64
#define __ARCH_WANT_SYS_CLONE
diff --git a/arch/unicore32/kernel/fpu-ucf64.c b/arch/unicore32/kernel/fpu-ucf64.c
index 8594b168f25e..fc5dad32a982 100644
--- a/arch/unicore32/kernel/fpu-ucf64.c
+++ b/arch/unicore32/kernel/fpu-ucf64.c
@@ -54,14 +54,6 @@
*/
void ucf64_raise_sigfpe(struct pt_regs *regs)
{
- siginfo_t info;
-
- clear_siginfo(&info);
-
- info.si_signo = SIGFPE;
- info.si_code = FPE_FLTUNK;
- info.si_addr = (void __user *)(instruction_pointer(regs) - 4);
-
/*
* This is the same as NWFPE, because it's not clear what
* this is used for
@@ -69,7 +61,9 @@ void ucf64_raise_sigfpe(struct pt_regs *regs)
current->thread.error_code = 0;
current->thread.trap_no = 6;
- send_sig_info(SIGFPE, &info, current);
+ send_sig_fault(SIGFPE, FPE_FLTUNK,
+ (void __user *)(instruction_pointer(regs) - 4),
+ current);
}
/*
diff --git a/arch/unicore32/kernel/hibernate.c b/arch/unicore32/kernel/hibernate.c
index 9969ec374abb..29b71c68eb7c 100644
--- a/arch/unicore32/kernel/hibernate.c
+++ b/arch/unicore32/kernel/hibernate.c
@@ -13,7 +13,7 @@
#include <linux/gfp.h>
#include <linux/suspend.h>
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <asm/page.h>
#include <asm/pgtable.h>
diff --git a/arch/unicore32/kernel/setup.c b/arch/unicore32/kernel/setup.c
index c2bffa5614a4..4b0cb68c355a 100644
--- a/arch/unicore32/kernel/setup.c
+++ b/arch/unicore32/kernel/setup.c
@@ -17,7 +17,7 @@
#include <linux/utsname.h>
#include <linux/initrd.h>
#include <linux/console.h>
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/seq_file.h>
#include <linux/screen_info.h>
#include <linux/init.h>
@@ -27,7 +27,6 @@
#include <linux/smp.h>
#include <linux/fs.h>
#include <linux/proc_fs.h>
-#include <linux/memblock.h>
#include <linux/elf.h>
#include <linux/io.h>
@@ -207,7 +206,7 @@ request_standard_resources(struct meminfo *mi)
if (mi->bank[i].size == 0)
continue;
- res = alloc_bootmem_low(sizeof(*res));
+ res = memblock_alloc_low(sizeof(*res), SMP_CACHE_BYTES);
res->name = "System RAM";
res->start = mi->bank[i].start;
res->end = mi->bank[i].start + mi->bank[i].size - 1;
diff --git a/arch/unicore32/kernel/traps.c b/arch/unicore32/kernel/traps.c
index c4ac6043ebb0..fb376d83e043 100644
--- a/arch/unicore32/kernel/traps.c
+++ b/arch/unicore32/kernel/traps.c
@@ -241,13 +241,14 @@ void die(const char *str, struct pt_regs *regs, int err)
}
void uc32_notify_die(const char *str, struct pt_regs *regs,
- struct siginfo *info, unsigned long err, unsigned long trap)
+ int sig, int code, void __user *addr,
+ unsigned long err, unsigned long trap)
{
if (user_mode(regs)) {
current->thread.error_code = err;
current->thread.trap_no = trap;
- force_sig_info(info->si_signo, info, current);
+ force_sig_fault(sig, code, addr, current);
} else
die(str, regs, err);
}
diff --git a/arch/unicore32/mm/fault.c b/arch/unicore32/mm/fault.c
index 8f12a5b50a42..b9a3a50644c1 100644
--- a/arch/unicore32/mm/fault.c
+++ b/arch/unicore32/mm/fault.c
@@ -120,17 +120,10 @@ static void __do_user_fault(struct task_struct *tsk, unsigned long addr,
unsigned int fsr, unsigned int sig, int code,
struct pt_regs *regs)
{
- struct siginfo si;
-
tsk->thread.address = addr;
tsk->thread.error_code = fsr;
tsk->thread.trap_no = 14;
- clear_siginfo(&si);
- si.si_signo = sig;
- si.si_errno = 0;
- si.si_code = code;
- si.si_addr = (void __user *)addr;
- force_sig_info(sig, &si, tsk);
+ force_sig_fault(sig, code, (void __user *)addr, tsk);
}
void do_bad_area(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
@@ -466,7 +459,6 @@ asmlinkage void do_DataAbort(unsigned long addr, unsigned int fsr,
struct pt_regs *regs)
{
const struct fsr_info *inf = fsr_info + fsr_fs(fsr);
- struct siginfo info;
if (!inf->fn(addr, fsr & ~FSR_LNX_PF, regs))
return;
@@ -474,19 +466,14 @@ asmlinkage void do_DataAbort(unsigned long addr, unsigned int fsr,
printk(KERN_ALERT "Unhandled fault: %s (0x%03x) at 0x%08lx\n",
inf->name, fsr, addr);
- clear_siginfo(&info);
- info.si_signo = inf->sig;
- info.si_errno = 0;
- info.si_code = inf->code;
- info.si_addr = (void __user *)addr;
- uc32_notify_die("", regs, &info, fsr, 0);
+ uc32_notify_die("", regs, inf->sig, inf->code, (void __user *)addr,
+ fsr, 0);
}
asmlinkage void do_PrefetchAbort(unsigned long addr,
unsigned int ifsr, struct pt_regs *regs)
{
const struct fsr_info *inf = fsr_info + fsr_fs(ifsr);
- struct siginfo info;
if (!inf->fn(addr, ifsr | FSR_LNX_PF, regs))
return;
@@ -494,10 +481,6 @@ asmlinkage void do_PrefetchAbort(unsigned long addr,
printk(KERN_ALERT "Unhandled prefetch abort: %s (0x%03x) at 0x%08lx\n",
inf->name, ifsr, addr);
- clear_siginfo(&info);
- info.si_signo = inf->sig;
- info.si_errno = 0;
- info.si_code = inf->code;
- info.si_addr = (void __user *)addr;
- uc32_notify_die("", regs, &info, ifsr, 0);
+ uc32_notify_die("", regs, inf->sig, inf->code, (void __user *)addr,
+ ifsr, 0);
}
diff --git a/arch/unicore32/mm/init.c b/arch/unicore32/mm/init.c
index f4950fbfe574..cf4eb9481fd6 100644
--- a/arch/unicore32/mm/init.c
+++ b/arch/unicore32/mm/init.c
@@ -11,13 +11,12 @@
#include <linux/errno.h>
#include <linux/swap.h>
#include <linux/init.h>
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/mman.h>
#include <linux/nodemask.h>
#include <linux/initrd.h>
#include <linux/highmem.h>
#include <linux/gfp.h>
-#include <linux/memblock.h>
#include <linux/sort.h>
#include <linux/dma-mapping.h>
#include <linux/export.h>
@@ -84,58 +83,6 @@ static void __init find_limits(unsigned long *min, unsigned long *max_low,
}
}
-static void __init uc32_bootmem_init(unsigned long start_pfn,
- unsigned long end_pfn)
-{
- struct memblock_region *reg;
- unsigned int boot_pages;
- phys_addr_t bitmap;
- pg_data_t *pgdat;
-
- /*
- * Allocate the bootmem bitmap page. This must be in a region
- * of memory which has already been mapped.
- */
- boot_pages = bootmem_bootmap_pages(end_pfn - start_pfn);
- bitmap = memblock_alloc_base(boot_pages << PAGE_SHIFT, L1_CACHE_BYTES,
- __pfn_to_phys(end_pfn));
-
- /*
- * Initialise the bootmem allocator, handing the
- * memory banks over to bootmem.
- */
- node_set_online(0);
- pgdat = NODE_DATA(0);
- init_bootmem_node(pgdat, __phys_to_pfn(bitmap), start_pfn, end_pfn);
-
- /* Free the lowmem regions from memblock into bootmem. */
- for_each_memblock(memory, reg) {
- unsigned long start = memblock_region_memory_base_pfn(reg);
- unsigned long end = memblock_region_memory_end_pfn(reg);
-
- if (end >= end_pfn)
- end = end_pfn;
- if (start >= end)
- break;
-
- free_bootmem(__pfn_to_phys(start), (end - start) << PAGE_SHIFT);
- }
-
- /* Reserve the lowmem memblock reserved regions in bootmem. */
- for_each_memblock(reserved, reg) {
- unsigned long start = memblock_region_reserved_base_pfn(reg);
- unsigned long end = memblock_region_reserved_end_pfn(reg);
-
- if (end >= end_pfn)
- end = end_pfn;
- if (start >= end)
- break;
-
- reserve_bootmem(__pfn_to_phys(start),
- (end - start) << PAGE_SHIFT, BOOTMEM_DEFAULT);
- }
-}
-
static void __init uc32_bootmem_free(unsigned long min, unsigned long max_low,
unsigned long max_high)
{
@@ -232,11 +179,8 @@ void __init bootmem_init(void)
find_limits(&min, &max_low, &max_high);
- uc32_bootmem_init(min, max_low);
+ node_set_online(0);
-#ifdef CONFIG_SWIOTLB
- swiotlb_init(1);
-#endif
/*
* Sparsemem tries to allocate bootmem in memory_present(),
* so must be done after the fixed reservations
@@ -293,7 +237,7 @@ free_memmap(unsigned long start_pfn, unsigned long end_pfn)
* free the section of the memmap array.
*/
if (pg < pgend)
- free_bootmem(pg, pgend - pg);
+ memblock_free(pg, pgend - pg);
}
/*
@@ -341,7 +285,7 @@ void __init mem_init(void)
free_unused_memmap(&meminfo);
/* this will put all unused low memory onto the freelists */
- free_all_bootmem();
+ memblock_free_all();
mem_init_print_info(NULL);
printk(KERN_NOTICE "Virtual kernel memory layout:\n"
diff --git a/arch/unicore32/mm/mmu.c b/arch/unicore32/mm/mmu.c
index 0c94b7b4514d..040a8c279761 100644
--- a/arch/unicore32/mm/mmu.c
+++ b/arch/unicore32/mm/mmu.c
@@ -17,7 +17,6 @@
#include <linux/nodemask.h>
#include <linux/memblock.h>
#include <linux/fs.h>
-#include <linux/bootmem.h>
#include <linux/io.h>
#include <asm/cputype.h>
@@ -144,7 +143,7 @@ static void __init build_mem_type_table(void)
static void __init *early_alloc(unsigned long sz)
{
- void *ptr = __va(memblock_alloc(sz, sz));
+ void *ptr = __va(memblock_phys_alloc(sz, sz));
memset(ptr, 0, sz);
return ptr;
}
OpenPOWER on IntegriCloud