FEX-Emu/linux
1
0
Fork 0
mirror of https://github.com/FEX-Emu/linux.git synced 2024-12-30 13:38:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Merge commit 'e26a9e0' into stable/for-linus-3.15

Browse Source
This commit is contained in:
David Vrabel 2014-04-28 10:31:04 +01:00
commit 67dadcb324
69 changed files with 502 additions and 387 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm/common/Makefile
View File

@ -13,6 +13,7 @@ obj-$(CONFIG_SHARP_SCOOP) += scoop.o
obj-$(CONFIG_PCI_HOST_ITE8152) += it8152.o
obj-$(CONFIG_ARM_TIMER_SP804) += timer-sp.o
obj-$(CONFIG_MCPM) += mcpm_head.o mcpm_entry.o mcpm_platsmp.o vlock.o
CFLAGS_REMOVE_mcpm_entry.o = -pg
AFLAGS_mcpm_head.o := -march=armv7-a
AFLAGS_vlock.o := -march=armv7-a
obj-$(CONFIG_TI_PRIV_EDMA) += edma.o

8
arch/arm/include/asm/assembler.h
View File

@ -30,8 +30,8 @@
* Endian independent macros for shifting bytes within registers.
*/
#ifndef __ARMEB__
#define pull lsr
#define push lsl
#define lspull lsr
#define lspush lsl
#define get_byte_0 lsl #0
#define get_byte_1 lsr #8
#define get_byte_2 lsr #16
@ -41,8 +41,8 @@
#define put_byte_2 lsl #16
#define put_byte_3 lsl #24
#else
#define pull lsl
#define push lsr
#define lspull lsl
#define lspush lsr
#define get_byte_0 lsr #24
#define get_byte_1 lsr #16
#define get_byte_2 lsr #8

44
arch/arm/include/asm/atomic.h
View File

@ -60,6 +60,7 @@ static inline int atomic_add_return(int i, atomic_t *v)
int result;
smp_mb();
prefetchw(&v->counter);
__asm__ __volatile__("@ atomic_add_return\n"
"1: ldrex %0, [%3]\n"
@ -99,6 +100,7 @@ static inline int atomic_sub_return(int i, atomic_t *v)
int result;
smp_mb();
prefetchw(&v->counter);
__asm__ __volatile__("@ atomic_sub_return\n"
"1: ldrex %0, [%3]\n"
@ -121,6 +123,7 @@ static inline int atomic_cmpxchg(atomic_t *ptr, int old, int new)
unsigned long res;
smp_mb();
prefetchw(&ptr->counter);
do {
__asm__ __volatile__("@ atomic_cmpxchg\n"
@ -138,6 +141,33 @@ static inline int atomic_cmpxchg(atomic_t *ptr, int old, int new)
return oldval;
}
static inline int __atomic_add_unless(atomic_t *v, int a, int u)
{
int oldval, newval;
unsigned long tmp;
smp_mb();
prefetchw(&v->counter);
__asm__ __volatile__ ("@ atomic_add_unless\n"
"1: ldrex %0, [%4]\n"
" teq %0, %5\n"
" beq 2f\n"
" add %1, %0, %6\n"
" strex %2, %1, [%4]\n"
" teq %2, #0\n"
" bne 1b\n"
"2:"
: "=&r" (oldval), "=&r" (newval), "=&r" (tmp), "+Qo" (v->counter)
: "r" (&v->counter), "r" (u), "r" (a)
: "cc");
if (oldval != u)
smp_mb();
return oldval;
}
#else /* ARM_ARCH_6 */
#ifdef CONFIG_SMP
@ -186,10 +216,6 @@ static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
return ret;
}
#endif /* __LINUX_ARM_ARCH__ */
#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
static inline int __atomic_add_unless(atomic_t *v, int a, int u)
{
int c, old;
@ -200,6 +226,10 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
return c;
}
#endif /* __LINUX_ARM_ARCH__ */
#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
#define atomic_inc(v) atomic_add(1, v)
#define atomic_dec(v) atomic_sub(1, v)
@ -299,6 +329,7 @@ static inline long long atomic64_add_return(long long i, atomic64_t *v)
unsigned long tmp;
smp_mb();
prefetchw(&v->counter);
__asm__ __volatile__("@ atomic64_add_return\n"
"1: ldrexd %0, %H0, [%3]\n"
@ -340,6 +371,7 @@ static inline long long atomic64_sub_return(long long i, atomic64_t *v)
unsigned long tmp;
smp_mb();
prefetchw(&v->counter);
__asm__ __volatile__("@ atomic64_sub_return\n"
"1: ldrexd %0, %H0, [%3]\n"
@ -364,6 +396,7 @@ static inline long long atomic64_cmpxchg(atomic64_t *ptr, long long old,
unsigned long res;
smp_mb();
prefetchw(&ptr->counter);
do {
__asm__ __volatile__("@ atomic64_cmpxchg\n"
@ -388,6 +421,7 @@ static inline long long atomic64_xchg(atomic64_t *ptr, long long new)
unsigned long tmp;
smp_mb();
prefetchw(&ptr->counter);
__asm__ __volatile__("@ atomic64_xchg\n"
"1: ldrexd %0, %H0, [%3]\n"
@ -409,6 +443,7 @@ static inline long long atomic64_dec_if_positive(atomic64_t *v)
unsigned long tmp;
smp_mb();
prefetchw(&v->counter);
__asm__ __volatile__("@ atomic64_dec_if_positive\n"
"1: ldrexd %0, %H0, [%3]\n"
@ -436,6 +471,7 @@ static inline int atomic64_add_unless(atomic64_t *v, long long a, long long u)
int ret = 1;
smp_mb();
prefetchw(&v->counter);
__asm__ __volatile__("@ atomic64_add_unless\n"
"1: ldrexd %0, %H0, [%4]\n"

6
arch/arm/include/asm/cmpxchg.h
View File

@ -2,6 +2,7 @@
#define __ASM_ARM_CMPXCHG_H
#include <linux/irqflags.h>
#include <linux/prefetch.h>
#include <asm/barrier.h>
#if defined(CONFIG_CPU_SA1100) || defined(CONFIG_CPU_SA110)
@ -35,6 +36,7 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size
#endif
smp_mb();
prefetchw((const void *)ptr);
switch (size) {
#if __LINUX_ARM_ARCH__ >= 6
@ -138,6 +140,8 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
{
unsigned long oldval, res;
prefetchw((const void *)ptr);
switch (size) {
#ifndef CONFIG_CPU_V6 /* min ARCH >= ARMv6K */
case 1:
@ -230,6 +234,8 @@ static inline unsigned long long __cmpxchg64(unsigned long long *ptr,
unsigned long long oldval;
unsigned long res;
prefetchw(ptr);
__asm__ __volatile__(
"1: ldrexd %1, %H1, [%3]\n"
" teq %1, %4\n"

1
arch/arm/include/asm/cputype.h
View File

@ -71,6 +71,7 @@
#define ARM_CPU_PART_CORTEX_A5 0xC050
#define ARM_CPU_PART_CORTEX_A15 0xC0F0
#define ARM_CPU_PART_CORTEX_A7 0xC070
#define ARM_CPU_PART_CORTEX_A12 0xC0D0
#define ARM_CPU_XSCALE_ARCH_MASK 0xe000
#define ARM_CPU_XSCALE_ARCH_V1 0x2000

2
arch/arm/include/asm/floppy.h
View File

@ -25,7 +25,7 @@
#define fd_inb(port) inb((port))
#define fd_request_irq() request_irq(IRQ_FLOPPYDISK,floppy_interrupt,\
IRQF_DISABLED,"floppy",NULL)
0,"floppy",NULL)
#define fd_free_irq() free_irq(IRQ_FLOPPYDISK,NULL)
#define fd_disable_irq() disable_irq(IRQ_FLOPPYDISK)
#define fd_enable_irq() enable_irq(IRQ_FLOPPYDISK)

9
arch/arm/include/asm/futex.h
View File

@ -3,11 +3,6 @@
#ifdef __KERNEL__
#if defined(CONFIG_CPU_USE_DOMAINS) && defined(CONFIG_SMP)
/* ARM doesn't provide unprivileged exclusive memory accessors */
#include <asm-generic/futex.h>
#else
#include <linux/futex.h>
#include <linux/uaccess.h>
#include <asm/errno.h>
@ -28,6 +23,7 @@
#define __futex_atomic_op(insn, ret, oldval, tmp, uaddr, oparg) \
smp_mb(); \
prefetchw(uaddr); \
__asm__ __volatile__( \
"1: ldrex %1, [%3]\n" \
" " insn "\n" \
@ -51,6 +47,8 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
return -EFAULT;
smp_mb();
/* Prefetching cannot fault */
prefetchw(uaddr);
__asm__ __volatile__("@futex_atomic_cmpxchg_inatomic\n"
"1: ldrex %1, [%4]\n"
" teq %1, %2\n"
@ -164,6 +162,5 @@ futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr)
return ret;
}
#endif /* !(CPU_USE_DOMAINS && SMP) */
#endif /* __KERNEL__ */
#endif /* _ASM_ARM_FUTEX_H */

1
arch/arm/include/asm/hw_breakpoint.h
View File

@ -51,6 +51,7 @@ static inline void decode_ctrl_reg(u32 reg,
#define ARM_DEBUG_ARCH_V7_ECP14 3
#define ARM_DEBUG_ARCH_V7_MM 4
#define ARM_DEBUG_ARCH_V7_1 5
#define ARM_DEBUG_ARCH_V8 6
/* Breakpoint */
#define ARM_BREAKPOINT_EXECUTE 0

3
arch/arm/include/asm/hwcap.h
View File

@ -9,6 +9,7 @@
* instruction set this cpu supports.
*/
#define ELF_HWCAP (elf_hwcap)
extern unsigned int elf_hwcap;
#define ELF_HWCAP2 (elf_hwcap2)
extern unsigned int elf_hwcap, elf_hwcap2;
#endif
#endif

1
arch/arm/include/asm/jump_label.h
View File

@ -4,7 +4,6 @@
#ifdef __KERNEL__
#include <linux/types.h>
#include <asm/system.h>
#define JUMP_LABEL_NOP_SIZE 4

41
arch/arm/include/asm/memory.h
View File

@ -166,9 +166,17 @@
* Physical vs virtual RAM address space conversion. These are
* private definitions which should NOT be used outside memory.h
* files. Use virt_to_phys/phys_to_virt/__pa/__va instead.
*
* PFNs are used to describe any physical page; this means
* PFN 0 == physical address 0.
*/
#ifndef __virt_to_phys
#ifdef CONFIG_ARM_PATCH_PHYS_VIRT
#if defined(__virt_to_phys)
#define PHYS_OFFSET PLAT_PHYS_OFFSET
#define PHYS_PFN_OFFSET ((unsigned long)(PHYS_OFFSET >> PAGE_SHIFT))
#define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT)
#elif defined(CONFIG_ARM_PATCH_PHYS_VIRT)
/*
* Constants used to force the right instruction encodings and shifts
@ -177,12 +185,17 @@
#define __PV_BITS_31_24 0x81000000
#define __PV_BITS_7_0 0x81
extern u64 __pv_phys_offset;
extern unsigned long __pv_phys_pfn_offset;
extern u64 __pv_offset;
extern void fixup_pv_table(const void *, unsigned long);
extern const void *__pv_table_begin, *__pv_table_end;
#define PHYS_OFFSET __pv_phys_offset
#define PHYS_OFFSET ((phys_addr_t)__pv_phys_pfn_offset << PAGE_SHIFT)
#define PHYS_PFN_OFFSET (__pv_phys_pfn_offset)
#define virt_to_pfn(kaddr) \
((((unsigned long)(kaddr) - PAGE_OFFSET) >> PAGE_SHIFT) + \
PHYS_PFN_OFFSET)
#define __pv_stub(from,to,instr,type) \
__asm__("@ __pv_stub\n" \
@ -243,6 +256,7 @@ static inline unsigned long __phys_to_virt(phys_addr_t x)
#else
#define PHYS_OFFSET PLAT_PHYS_OFFSET
#define PHYS_PFN_OFFSET ((unsigned long)(PHYS_OFFSET >> PAGE_SHIFT))
static inline phys_addr_t __virt_to_phys(unsigned long x)
{
@ -254,18 +268,11 @@ static inline unsigned long __phys_to_virt(phys_addr_t x)
return x - PHYS_OFFSET + PAGE_OFFSET;
}
#endif
#endif
#define virt_to_pfn(kaddr) \
((((unsigned long)(kaddr) - PAGE_OFFSET) >> PAGE_SHIFT) + \
PHYS_PFN_OFFSET)
/*
* PFNs are used to describe any physical page; this means
* PFN 0 == physical address 0.
*
* This is the PFN of the first RAM page in the kernel
* direct-mapped view. We assume this is the first page
* of RAM in the mem_map as well.
*/
#define PHYS_PFN_OFFSET ((unsigned long)(PHYS_OFFSET >> PAGE_SHIFT))
#endif
/*
* These are *only* valid on the kernel direct mapped RAM memory.
@ -343,9 +350,9 @@ static inline __deprecated void *bus_to_virt(unsigned long x)
*/
#define ARCH_PFN_OFFSET PHYS_PFN_OFFSET
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
#define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr))
#define virt_addr_valid(kaddr) (((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory) \
&& pfn_valid(__pa(kaddr) >> PAGE_SHIFT) )
&& pfn_valid(virt_to_pfn(kaddr)))
#endif

1
arch/arm/include/asm/pgtable-2level.h
View File

@ -140,6 +140,7 @@
#define L_PTE_MT_DEV_NONSHARED (_AT(pteval_t, 0x0c) << 2) /* 1100 */
#define L_PTE_MT_DEV_WC (_AT(pteval_t, 0x09) << 2) /* 1001 */
#define L_PTE_MT_DEV_CACHED (_AT(pteval_t, 0x0b) << 2) /* 1011 */
#define L_PTE_MT_VECTORS (_AT(pteval_t, 0x0f) << 2) /* 1111 */
#define L_PTE_MT_MASK (_AT(pteval_t, 0x0f) << 2)
#ifndef __ASSEMBLY__

7
arch/arm/include/asm/pgtable.h
View File

@ -216,13 +216,16 @@ static inline pte_t *pmd_page_vaddr(pmd_t pmd)
#define pte_none(pte) (!pte_val(pte))
#define pte_present(pte) (pte_val(pte) & L_PTE_PRESENT)
#define pte_valid(pte) (pte_val(pte) & L_PTE_VALID)
#define pte_accessible(mm, pte) (mm_tlb_flush_pending(mm) ? pte_present(pte) : pte_valid(pte))
#define pte_write(pte) (!(pte_val(pte) & L_PTE_RDONLY))
#define pte_dirty(pte) (pte_val(pte) & L_PTE_DIRTY)
#define pte_young(pte) (pte_val(pte) & L_PTE_YOUNG)
#define pte_exec(pte) (!(pte_val(pte) & L_PTE_XN))
#define pte_special(pte) (0)
#define pte_present_user(pte) (pte_present(pte) && (pte_val(pte) & L_PTE_USER))
#define pte_valid_user(pte) \
(pte_valid(pte) && (pte_val(pte) & L_PTE_USER) && pte_young(pte))
#if __LINUX_ARM_ARCH__ < 6
static inline void __sync_icache_dcache(pte_t pteval)
@ -237,7 +240,7 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
{
unsigned long ext = 0;
if (addr < TASK_SIZE && pte_present_user(pteval)) {
if (addr < TASK_SIZE && pte_valid_user(pteval)) {
__sync_icache_dcache(pteval);
ext |= PTE_EXT_NG;
}

1
arch/arm/include/asm/sync_bitops.h
View File

@ -2,7 +2,6 @@
#define __ASM_SYNC_BITOPS_H__
#include <asm/bitops.h>
#include <asm/system.h>
/* sync_bitops functions are equivalent to the SMP implementation of the
* original functions, independently from CONFIG_SMP being defined.

7
arch/arm/include/asm/system.h
View File

@ -1,7 +0,0 @@
/* FILE TO BE DELETED. DO NOT ADD STUFF HERE! */
#include <asm/barrier.h>
#include <asm/compiler.h>
#include <asm/cmpxchg.h>
#include <asm/switch_to.h>
#include <asm/system_info.h>
#include <asm/system_misc.h>

2
arch/arm/include/asm/uaccess.h
View File

@ -19,7 +19,7 @@
#include <asm/unified.h>
#include <asm/compiler.h>
#if __LINUX_ARM_ARCH__ < 6
#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
#include <asm-generic/uaccess-unaligned.h>
#else
#define __get_user_unaligned __get_user

9
arch/arm/include/uapi/asm/hwcap.h
View File

@ -28,4 +28,13 @@
#define HWCAP_LPAE (1 << 20)
#define HWCAP_EVTSTRM (1 << 21)
/*
* HWCAP2 flags - for elf_hwcap2 (in kernel) and AT_HWCAP2
*/
#define HWCAP2_AES (1 << 0)
#define HWCAP2_PMULL (1 << 1)
#define HWCAP2_SHA1 (1 << 2)
#define HWCAP2_SHA2 (1 << 3)
#define HWCAP2_CRC32 (1 << 4)
#endif /* _UAPI__ASMARM_HWCAP_H */

2
arch/arm/kernel/armksyms.c
View File

@ -158,6 +158,6 @@ EXPORT_SYMBOL(__gnu_mcount_nc);
#endif
#ifdef CONFIG_ARM_PATCH_PHYS_VIRT
EXPORT_SYMBOL(__pv_phys_offset);
EXPORT_SYMBOL(__pv_phys_pfn_offset);
EXPORT_SYMBOL(__pv_offset);
#endif

37
arch/arm/kernel/bios32.c
View File

@ -608,41 +608,10 @@ resource_size_t pcibios_align_resource(void *data, const struct resource *res,
*/
int pcibios_enable_device(struct pci_dev *dev, int mask)
{
u16 cmd, old_cmd;
int idx;
struct resource *r;
if (pci_has_flag(PCI_PROBE_ONLY))
return 0;
pci_read_config_word(dev, PCI_COMMAND, &cmd);
old_cmd = cmd;
for (idx = 0; idx < 6; idx++) {
/* Only set up the requested stuff */
if (!(mask & (1 << idx)))
continue;
r = dev->resource + idx;
if (!r->start && r->end) {
printk(KERN_ERR "PCI: Device %s not available because"
" of resource collisions\n", pci_name(dev));
return -EINVAL;
}
if (r->flags & IORESOURCE_IO)
cmd |= PCI_COMMAND_IO;
if (r->flags & IORESOURCE_MEM)
cmd |= PCI_COMMAND_MEMORY;
}
/*
* Bridges (eg, cardbus bridges) need to be fully enabled
*/
if ((dev->class >> 16) == PCI_BASE_CLASS_BRIDGE)
cmd |= PCI_COMMAND_IO | PCI_COMMAND_MEMORY;
if (cmd != old_cmd) {
printk("PCI: enabling device %s (%04x -> %04x)\n",
pci_name(dev), old_cmd, cmd);
pci_write_config_word(dev, PCI_COMMAND, cmd);
}
return 0;
return pci_enable_resources(dev, mask);
}
int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,

17
arch/arm/kernel/head.S
View File

@ -584,9 +584,10 @@ __fixup_pv_table:
subs r3, r0, r3 @ PHYS_OFFSET - PAGE_OFFSET
add r4, r4, r3 @ adjust table start address
add r5, r5, r3 @ adjust table end address
add r6, r6, r3 @ adjust __pv_phys_offset address
add r6, r6, r3 @ adjust __pv_phys_pfn_offset address
add r7, r7, r3 @ adjust __pv_offset address
str r8, [r6, #LOW_OFFSET] @ save computed PHYS_OFFSET to __pv_phys_offset
mov r0, r8, lsr #12 @ convert to PFN
str r0, [r6, #LOW_OFFSET] @ save computed PHYS_OFFSET to __pv_phys_pfn_offset
strcc ip, [r7, #HIGH_OFFSET] @ save to __pv_offset high bits
mov r6, r3, lsr #24 @ constant for add/sub instructions
teq r3, r6, lsl #24 @ must be 16MiB aligned
@ -600,7 +601,7 @@ ENDPROC(__fixup_pv_table)
1: .long .
.long __pv_table_begin
.long __pv_table_end
2: .long __pv_phys_offset
2: .long __pv_phys_pfn_offset
.long __pv_offset
.text
@ -688,11 +689,11 @@ ENTRY(fixup_pv_table)
ENDPROC(fixup_pv_table)
.data
.globl __pv_phys_offset
.type __pv_phys_offset, %object
__pv_phys_offset:
.quad 0
.size __pv_phys_offset, . -__pv_phys_offset
.globl __pv_phys_pfn_offset
.type __pv_phys_pfn_offset, %object
__pv_phys_pfn_offset:
.word 0
.size __pv_phys_pfn_offset, . -__pv_phys_pfn_offset
.globl __pv_offset
.type __pv_offset, %object

3
arch/arm/kernel/hw_breakpoint.c
View File

@ -167,7 +167,7 @@ static int debug_arch_supported(void)
/* Can we determine the watchpoint access type from the fsr? */
static int debug_exception_updates_fsr(void)
{
return 0;
return get_debug_arch() >= ARM_DEBUG_ARCH_V8;
}
/* Determine number of WRP registers available. */
@ -257,6 +257,7 @@ static int enable_monitor_mode(void)
break;
case ARM_DEBUG_ARCH_V7_ECP14:
case ARM_DEBUG_ARCH_V7_1:
case ARM_DEBUG_ARCH_V8:
ARM_DBG_WRITE(c0, c2, 2, (dscr | ARM_DSCR_MDBGEN));
isb();
break;

16
arch/arm/kernel/setup.c
View File

@ -100,6 +100,9 @@ EXPORT_SYMBOL(system_serial_high);
unsigned int elf_hwcap __read_mostly;
EXPORT_SYMBOL(elf_hwcap);
unsigned int elf_hwcap2 __read_mostly;
EXPORT_SYMBOL(elf_hwcap2);
#ifdef MULTI_CPU
struct processor processor __read_mostly;
@ -1005,6 +1008,15 @@ static const char *hwcap_str[] = {
NULL
};
static const char *hwcap2_str[] = {
"aes",
"pmull",
"sha1",
"sha2",
"crc32",
NULL
};
static int c_show(struct seq_file *m, void *v)
{
int i, j;
@ -1028,6 +1040,10 @@ static int c_show(struct seq_file *m, void *v)
if (elf_hwcap & (1 << j))
seq_printf(m, "%s ", hwcap_str[j]);
for (j = 0; hwcap2_str[j]; j++)
if (elf_hwcap2 & (1 << j))
seq_printf(m, "%s ", hwcap2_str[j]);
seq_printf(m, "\nCPU implementer\t: 0x%02x\n", cpuid >> 24);
seq_printf(m, "CPU architecture: %s\n",
proc_arch[cpu_architecture()]);

137
arch/arm/kernel/unwind.c
View File

@ -68,6 +68,12 @@ EXPORT_SYMBOL(__aeabi_unwind_cpp_pr2);
struct unwind_ctrl_block {
unsigned long vrs[16]; /* virtual register set */
const unsigned long *insn; /* pointer to the current instructions word */
unsigned long sp_high; /* highest value of sp allowed */
/*
* 1 : check for stack overflow for each register pop.
* 0 : save overhead if there is plenty of stack remaining.
*/
int check_each_pop;
int entries; /* number of entries left to interpret */
int byte; /* current byte number in the instructions word */
};
@ -235,12 +241,85 @@ static unsigned long unwind_get_byte(struct unwind_ctrl_block *ctrl)
return ret;
}
/* Before poping a register check whether it is feasible or not */
static int unwind_pop_register(struct unwind_ctrl_block *ctrl,
unsigned long **vsp, unsigned int reg)
{
if (unlikely(ctrl->check_each_pop))
if (*vsp >= (unsigned long *)ctrl->sp_high)
return -URC_FAILURE;
ctrl->vrs[reg] = *(*vsp)++;
return URC_OK;
}
/* Helper functions to execute the instructions */
static int unwind_exec_pop_subset_r4_to_r13(struct unwind_ctrl_block *ctrl,
unsigned long mask)
{
unsigned long *vsp = (unsigned long *)ctrl->vrs[SP];
int load_sp, reg = 4;
load_sp = mask & (1 << (13 - 4));
while (mask) {
if (mask & 1)
if (unwind_pop_register(ctrl, &vsp, reg))
return -URC_FAILURE;
mask >>= 1;
reg++;
}
if (!load_sp)
ctrl->vrs[SP] = (unsigned long)vsp;
return URC_OK;
}
static int unwind_exec_pop_r4_to_rN(struct unwind_ctrl_block *ctrl,
unsigned long insn)
{
unsigned long *vsp = (unsigned long *)ctrl->vrs[SP];
int reg;
/* pop R4-R[4+bbb] */
for (reg = 4; reg <= 4 + (insn & 7); reg++)
if (unwind_pop_register(ctrl, &vsp, reg))
return -URC_FAILURE;
if (insn & 0x80)
if (unwind_pop_register(ctrl, &vsp, 14))
return -URC_FAILURE;
ctrl->vrs[SP] = (unsigned long)vsp;
return URC_OK;
}
static int unwind_exec_pop_subset_r0_to_r3(struct unwind_ctrl_block *ctrl,
unsigned long mask)
{
unsigned long *vsp = (unsigned long *)ctrl->vrs[SP];
int reg = 0;
/* pop R0-R3 according to mask */
while (mask) {
if (mask & 1)
if (unwind_pop_register(ctrl, &vsp, reg))
return -URC_FAILURE;
mask >>= 1;
reg++;
}
ctrl->vrs[SP] = (unsigned long)vsp;
return URC_OK;
}
/*
* Execute the current unwind instruction.
*/
static int unwind_exec_insn(struct unwind_ctrl_block *ctrl)
{
unsigned long insn = unwind_get_byte(ctrl);
int ret = URC_OK;
pr_debug("%s: insn = %08lx\n", __func__, insn);
@ -250,8 +329,6 @@ static int unwind_exec_insn(struct unwind_ctrl_block *ctrl)
ctrl->vrs[SP] -= ((insn & 0x3f) << 2) + 4;
else if ((insn & 0xf0) == 0x80) {
unsigned long mask;
unsigned long *vsp = (unsigned long *)ctrl->vrs[SP];
int load_sp, reg = 4;
insn = (insn << 8) | unwind_get_byte(ctrl);
mask = insn & 0x0fff;
@ -261,29 +338,16 @@ static int unwind_exec_insn(struct unwind_ctrl_block *ctrl)
return -URC_FAILURE;
}
/* pop R4-R15 according to mask */
load_sp = mask & (1 << (13 - 4));
while (mask) {
if (mask & 1)
ctrl->vrs[reg] = *vsp++;
mask >>= 1;
reg++;
}
if (!load_sp)
ctrl->vrs[SP] = (unsigned long)vsp;
ret = unwind_exec_pop_subset_r4_to_r13(ctrl, mask);
if (ret)
goto error;
} else if ((insn & 0xf0) == 0x90 &&
(insn & 0x0d) != 0x0d)
ctrl->vrs[SP] = ctrl->vrs[insn & 0x0f];
else if ((insn & 0xf0) == 0xa0) {
unsigned long *vsp = (unsigned long *)ctrl->vrs[SP];
int reg;
/* pop R4-R[4+bbb] */
for (reg = 4; reg <= 4 + (insn & 7); reg++)
ctrl->vrs[reg] = *vsp++;
if (insn & 0x80)
ctrl->vrs[14] = *vsp++;
ctrl->vrs[SP] = (unsigned long)vsp;
ret = unwind_exec_pop_r4_to_rN(ctrl, insn);
if (ret)
goto error;
} else if (insn == 0xb0) {
if (ctrl->vrs[PC] == 0)
ctrl->vrs[PC] = ctrl->vrs[LR];
@ -291,8 +355,6 @@ static int unwind_exec_insn(struct unwind_ctrl_block *ctrl)
ctrl->entries = 0;
} else if (insn == 0xb1) {
unsigned long mask = unwind_get_byte(ctrl);
unsigned long *vsp = (unsigned long *)ctrl->vrs[SP];
int reg = 0;
if (mask == 0 || mask & 0xf0) {
pr_warning("unwind: Spare encoding %04lx\n",
@ -300,14 +362,9 @@ static int unwind_exec_insn(struct unwind_ctrl_block *ctrl)
return -URC_FAILURE;
}
/* pop R0-R3 according to mask */
while (mask) {
if (mask & 1)
ctrl->vrs[reg] = *vsp++;
mask >>= 1;
reg++;
}
ctrl->vrs[SP] = (unsigned long)vsp;
ret = unwind_exec_pop_subset_r0_to_r3(ctrl, mask);
if (ret)
goto error;
} else if (insn == 0xb2) {
unsigned long uleb128 = unwind_get_byte(ctrl);
@ -320,7 +377,8 @@ static int unwind_exec_insn(struct unwind_ctrl_block *ctrl)
pr_debug("%s: fp = %08lx sp = %08lx lr = %08lx pc = %08lx\n", __func__,
ctrl->vrs[FP], ctrl->vrs[SP], ctrl->vrs[LR], ctrl->vrs[PC]);
return URC_OK;
error:
return ret;
}
/*
@ -329,13 +387,13 @@ static int unwind_exec_insn(struct unwind_ctrl_block *ctrl)
*/
int unwind_frame(struct stackframe *frame)
{
unsigned long high, low;
unsigned long low;
const struct unwind_idx *idx;
struct unwind_ctrl_block ctrl;
/* only go to a higher address on the stack */
/* store the highest address on the stack to avoid crossing it*/
low = frame->sp;
high = ALIGN(low, THREAD_SIZE);
ctrl.sp_high = ALIGN(low, THREAD_SIZE);
pr_debug("%s(pc = %08lx lr = %08lx sp = %08lx)\n", __func__,
frame->pc, frame->lr, frame->sp);
@ -382,11 +440,16 @@ int unwind_frame(struct stackframe *frame)
return -URC_FAILURE;
}
ctrl.check_each_pop = 0;
while (ctrl.entries > 0) {
int urc = unwind_exec_insn(&ctrl);
int urc;
if ((ctrl.sp_high - ctrl.vrs[SP]) < sizeof(ctrl.vrs))
ctrl.check_each_pop = 1;
urc = unwind_exec_insn(&ctrl);
if (urc < 0)
return urc;
if (ctrl.vrs[SP] < low || ctrl.vrs[SP] >= high)
if (ctrl.vrs[SP] < low || ctrl.vrs[SP] >= ctrl.sp_high)
return -URC_FAILURE;
}

5
arch/arm/lib/bitops.h
View File

@ -37,6 +37,11 @@ UNWIND( .fnstart )
add r1, r1, r0, lsl #2 @ Get word offset
mov r3, r2, lsl r3 @ create mask
smp_dmb
#if __LINUX_ARM_ARCH__ >= 7 && defined(CONFIG_SMP)
.arch_extension mp
ALT_SMP(W(pldw) [r1])
ALT_UP(W(nop))
#endif
1: ldrex r2, [r1]
ands r0, r2, r3 @ save old value of bit
\instr r2, r2, r3 @ toggle bit

36
arch/arm/lib/copy_template.S
View File

@ -197,24 +197,24 @@
12: PLD( pld [r1, #124] )
13: ldr4w r1, r4, r5, r6, r7, abort=19f
mov r3, lr, pull #\pull
mov r3, lr, lspull #\pull
subs r2, r2, #32
ldr4w r1, r8, r9, ip, lr, abort=19f
orr r3, r3, r4, push #\push
mov r4, r4, pull #\pull
orr r4, r4, r5, push #\push
mov r5, r5, pull #\pull
orr r5, r5, r6, push #\push
mov r6, r6, pull #\pull
orr r6, r6, r7, push #\push
mov r7, r7, pull #\pull
orr r7, r7, r8, push #\push
mov r8, r8, pull #\pull
orr r8, r8, r9, push #\push
mov r9, r9, pull #\pull
orr r9, r9, ip, push #\push
mov ip, ip, pull #\pull
orr ip, ip, lr, push #\push
orr r3, r3, r4, lspush #\push
mov r4, r4, lspull #\pull
orr r4, r4, r5, lspush #\push
mov r5, r5, lspull #\pull
orr r5, r5, r6, lspush #\push
mov r6, r6, lspull #\pull
orr r6, r6, r7, lspush #\push
mov r7, r7, lspull #\pull
orr r7, r7, r8, lspush #\push
mov r8, r8, lspull #\pull
orr r8, r8, r9, lspush #\push
mov r9, r9, lspull #\pull
orr r9, r9, ip, lspush #\push
mov ip, ip, lspull #\pull
orr ip, ip, lr, lspush #\push
str8w r0, r3, r4, r5, r6, r7, r8, r9, ip, , abort=19f
bge 12b
PLD( cmn r2, #96 )
@ -225,10 +225,10 @@
14: ands ip, r2, #28
beq 16f
15: mov r3, lr, pull #\pull
15: mov r3, lr, lspull #\pull
ldr1w r1, lr, abort=21f
subs ip, ip, #4
orr r3, r3, lr, push #\push
orr r3, r3, lr, lspush #\push
str1w r0, r3, abort=21f
bgt 15b
CALGN( cmp r2, #0 )

96
arch/arm/lib/csumpartialcopygeneric.S
View File

@ -141,7 +141,7 @@ FN_ENTRY
tst len, #2
mov r5, r4, get_byte_0
beq .Lexit
adcs sum, sum, r4, push #16
adcs sum, sum, r4, lspush #16
strb r5, [dst], #1
mov r5, r4, get_byte_1
strb r5, [dst], #1
@ -171,23 +171,23 @@ FN_ENTRY
cmp ip, #2
beq .Lsrc2_aligned
bhi .Lsrc3_aligned
mov r4, r5, pull #8 @ C = 0
mov r4, r5, lspull #8 @ C = 0
bics ip, len, #15
beq 2f
1: load4l r5, r6, r7, r8
orr r4, r4, r5, push #24
mov r5, r5, pull #8
orr r5, r5, r6, push #24
mov r6, r6, pull #8
orr r6, r6, r7, push #24
mov r7, r7, pull #8
orr r7, r7, r8, push #24
orr r4, r4, r5, lspush #24
mov r5, r5, lspull #8
orr r5, r5, r6, lspush #24
mov r6, r6, lspull #8
orr r6, r6, r7, lspush #24
mov r7, r7, lspull #8
orr r7, r7, r8, lspush #24
stmia dst!, {r4, r5, r6, r7}
adcs sum, sum, r4
adcs sum, sum, r5
adcs sum, sum, r6
adcs sum, sum, r7
mov r4, r8, pull #8
mov r4, r8, lspull #8
sub ip, ip, #16
teq ip, #0
bne 1b
@ -196,50 +196,50 @@ FN_ENTRY
tst ip, #8
beq 3f
load2l r5, r6
orr r4, r4, r5, push #24
mov r5, r5, pull #8
orr r5, r5, r6, push #24
orr r4, r4, r5, lspush #24
mov r5, r5, lspull #8
orr r5, r5, r6, lspush #24
stmia dst!, {r4, r5}
adcs sum, sum, r4
adcs sum, sum, r5
mov r4, r6, pull #8
mov r4, r6, lspull #8
tst ip, #4
beq 4f
3: load1l r5
orr r4, r4, r5, push #24
orr r4, r4, r5, lspush #24
str r4, [dst], #4
adcs sum, sum, r4
mov r4, r5, pull #8
mov r4, r5, lspull #8
4: ands len, len, #3
beq .Ldone
mov r5, r4, get_byte_0
tst len, #2
beq .Lexit
adcs sum, sum, r4, push #16
adcs sum, sum, r4, lspush #16
strb r5, [dst], #1
mov r5, r4, get_byte_1
strb r5, [dst], #1
mov r5, r4, get_byte_2
b .Lexit
.Lsrc2_aligned: mov r4, r5, pull #16
.Lsrc2_aligned: mov r4, r5, lspull #16
adds sum, sum, #0
bics ip, len, #15
beq 2f
1: load4l r5, r6, r7, r8
orr r4, r4, r5, push #16
mov r5, r5, pull #16
orr r5, r5, r6, push #16
mov r6, r6, pull #16
orr r6, r6, r7, push #16
mov r7, r7, pull #16
orr r7, r7, r8, push #16
orr r4, r4, r5, lspush #16
mov r5, r5, lspull #16
orr r5, r5, r6, lspush #16
mov r6, r6, lspull #16
orr r6, r6, r7, lspush #16
mov r7, r7, lspull #16
orr r7, r7, r8, lspush #16
stmia dst!, {r4, r5, r6, r7}
adcs sum, sum, r4
adcs sum, sum, r5
adcs sum, sum, r6
adcs sum, sum, r7
mov r4, r8, pull #16
mov r4, r8, lspull #16
sub ip, ip, #16
teq ip, #0
bne 1b
@ -248,20 +248,20 @@ FN_ENTRY
tst ip, #8
beq 3f
load2l r5, r6
orr r4, r4, r5, push #16
mov r5, r5, pull #16
orr r5, r5, r6, push #16
orr r4, r4, r5, lspush #16
mov r5, r5, lspull #16
orr r5, r5, r6, lspush #16
stmia dst!, {r4, r5}
adcs sum, sum, r4
adcs sum, sum, r5
mov r4, r6, pull #16
mov r4, r6, lspull #16
tst ip, #4
beq 4f
3: load1l r5
orr r4, r4, r5, push #16
orr r4, r4, r5, lspush #16
str r4, [dst], #4
adcs sum, sum, r4
mov r4, r5, pull #16
mov r4, r5, lspull #16
4: ands len, len, #3
beq .Ldone
mov r5, r4, get_byte_0
@ -276,24 +276,24 @@ FN_ENTRY
load1b r5
b .Lexit
.Lsrc3_aligned: mov r4, r5, pull #24
.Lsrc3_aligned: mov r4, r5, lspull #24
adds sum, sum, #0
bics ip, len, #15
beq 2f
1: load4l r5, r6, r7, r8
orr r4, r4, r5, push #8
mov r5, r5, pull #24
orr r5, r5, r6, push #8
mov r6, r6, pull #24
orr r6, r6, r7, push #8
mov r7, r7, pull #24
orr r7, r7, r8, push #8
orr r4, r4, r5, lspush #8
mov r5, r5, lspull #24
orr r5, r5, r6, lspush #8
mov r6, r6, lspull #24
orr r6, r6, r7, lspush #8
mov r7, r7, lspull #24
orr r7, r7, r8, lspush #8
stmia dst!, {r4, r5, r6, r7}
adcs sum, sum, r4
adcs sum, sum, r5
adcs sum, sum, r6
adcs sum, sum, r7
mov r4, r8, pull #24
mov r4, r8, lspull #24
sub ip, ip, #16
teq ip, #0
bne 1b
@ -302,20 +302,20 @@ FN_ENTRY
tst ip, #8
beq 3f
load2l r5, r6
orr r4, r4, r5, push #8
mov r5, r5, pull #24
orr r5, r5, r6, push #8
orr r4, r4, r5, lspush #8
mov r5, r5, lspull #24
orr r5, r5, r6, lspush #8
stmia dst!, {r4, r5}
adcs sum, sum, r4
adcs sum, sum, r5
mov r4, r6, pull #24
mov r4, r6, lspull #24
tst ip, #4
beq 4f
3: load1l r5
orr r4, r4, r5, push #8
orr r4, r4, r5, lspush #8
str r4, [dst], #4
adcs sum, sum, r4
mov r4, r5, pull #24
mov r4, r5, lspull #24
4: ands len, len, #3
beq .Ldone
mov r5, r4, get_byte_0
@ -326,7 +326,7 @@ FN_ENTRY
load1l r4
mov r5, r4, get_byte_0
strb r5, [dst], #1
adcs sum, sum, r4, push #24
adcs sum, sum, r4, lspush #24
mov r5, r4, get_byte_1
b .Lexit
FN_EXIT

12
arch/arm/lib/io-readsl.S
View File

@ -47,25 +47,25 @@ ENTRY(__raw_readsl)
strb ip, [r1], #1
4: subs r2, r2, #1
mov ip, r3, pull #24
mov ip, r3, lspull #24
ldrne r3, [r0]
orrne ip, ip, r3, push #8
orrne ip, ip, r3, lspush #8
strne ip, [r1], #4
bne 4b
b 8f
5: subs r2, r2, #1
mov ip, r3, pull #16
mov ip, r3, lspull #16
ldrne r3, [r0]
orrne ip, ip, r3, push #16
orrne ip, ip, r3, lspush #16
strne ip, [r1], #4
bne 5b
b 7f
6: subs r2, r2, #1
mov ip, r3, pull #8
mov ip, r3, lspull #8
ldrne r3, [r0]
orrne ip, ip, r3, push #24
orrne ip, ip, r3, lspush #24
strne ip, [r1], #4
bne 6b

12
arch/arm/lib/io-writesl.S
View File

@ -41,26 +41,26 @@ ENTRY(__raw_writesl)
blt 5f
bgt 6f
4: mov ip, r3, pull #16
4: mov ip, r3, lspull #16
ldr r3, [r1], #4
subs r2, r2, #1
orr ip, ip, r3, push #16
orr ip, ip, r3, lspush #16
str ip, [r0]
bne 4b
mov pc, lr
5: mov ip, r3, pull #8
5: mov ip, r3, lspull #8
ldr r3, [r1], #4
subs r2, r2, #1
orr ip, ip, r3, push #24
orr ip, ip, r3, lspush #24
str ip, [r0]
bne 5b
mov pc, lr
6: mov ip, r3, pull #24
6: mov ip, r3, lspull #24
ldr r3, [r1], #4
subs r2, r2, #1
orr ip, ip, r3, push #8
orr ip, ip, r3, lspush #8
str ip, [r0]
bne 6b
mov pc, lr

36
arch/arm/lib/memmove.S
View File

@ -147,24 +147,24 @@ ENTRY(memmove)
12: PLD( pld [r1, #-128] )
13: ldmdb r1!, {r7, r8, r9, ip}
mov lr, r3, push #\push
mov lr, r3, lspush #\push
subs r2, r2, #32
ldmdb r1!, {r3, r4, r5, r6}
orr lr, lr, ip, pull #\pull
mov ip, ip, push #\push
orr ip, ip, r9, pull #\pull
mov r9, r9, push #\push
orr r9, r9, r8, pull #\pull
mov r8, r8, push #\push
orr r8, r8, r7, pull #\pull
mov r7, r7, push #\push
orr r7, r7, r6, pull #\pull
mov r6, r6, push #\push
orr r6, r6, r5, pull #\pull
mov r5, r5, push #\push
orr r5, r5, r4, pull #\pull
mov r4, r4, push #\push
orr r4, r4, r3, pull #\pull
orr lr, lr, ip, lspull #\pull
mov ip, ip, lspush #\push
orr ip, ip, r9, lspull #\pull
mov r9, r9, lspush #\push
orr r9, r9, r8, lspull #\pull
mov r8, r8, lspush #\push
orr r8, r8, r7, lspull #\pull
mov r7, r7, lspush #\push
orr r7, r7, r6, lspull #\pull
mov r6, r6, lspush #\push
orr r6, r6, r5, lspull #\pull
mov r5, r5, lspush #\push
orr r5, r5, r4, lspull #\pull
mov r4, r4, lspush #\push
orr r4, r4, r3, lspull #\pull
stmdb r0!, {r4 - r9, ip, lr}
bge 12b
PLD( cmn r2, #96 )
@ -175,10 +175,10 @@ ENTRY(memmove)
14: ands ip, r2, #28
beq 16f
15: mov lr, r3, push #\push
15: mov lr, r3, lspush #\push
ldr r3, [r1, #-4]!
subs ip, ip, #4
orr lr, lr, r3, pull #\pull
orr lr, lr, r3, lspull #\pull
str lr, [r0, #-4]!
bgt 15b
CALGN( cmp r2, #0 )

192
arch/arm/lib/uaccess.S
View File

@ -117,9 +117,9 @@ USER( TUSER( strgtb) r3, [r0], #1) @ May fault
.Lc2u_1fupi: subs r2, r2, #4
addmi ip, r2, #4
bmi .Lc2u_1nowords
mov r3, r7, pull #8
mov r3, r7, lspull #8
ldr r7, [r1], #4
orr r3, r3, r7, push #24
orr r3, r3, r7, lspush #24
USER( TUSER( str) r3, [r0], #4) @ May fault
mov ip, r0, lsl #32 - PAGE_SHIFT
rsb ip, ip, #0
@ -131,30 +131,30 @@ USER( TUSER( str) r3, [r0], #4) @ May fault
subs ip, ip, #16
blt .Lc2u_1rem8lp
.Lc2u_1cpy8lp: mov r3, r7, pull #8
.Lc2u_1cpy8lp: mov r3, r7, lspull #8
ldmia r1!, {r4 - r7}
subs ip, ip, #16
orr r3, r3, r4, push #24
mov r4, r4, pull #8
orr r4, r4, r5, push #24
mov r5, r5, pull #8
orr r5, r5, r6, push #24
mov r6, r6, pull #8
orr r6, r6, r7, push #24
orr r3, r3, r4, lspush #24
mov r4, r4, lspull #8
orr r4, r4, r5, lspush #24
mov r5, r5, lspull #8
orr r5, r5, r6, lspush #24
mov r6, r6, lspull #8
orr r6, r6, r7, lspush #24
stmia r0!, {r3 - r6} @ Shouldnt fault
bpl .Lc2u_1cpy8lp
.Lc2u_1rem8lp: tst ip, #8
movne r3, r7, pull #8
movne r3, r7, lspull #8
ldmneia r1!, {r4, r7}
orrne r3, r3, r4, push #24
movne r4, r4, pull #8
orrne r4, r4, r7, push #24
orrne r3, r3, r4, lspush #24
movne r4, r4, lspull #8
orrne r4, r4, r7, lspush #24
stmneia r0!, {r3 - r4} @ Shouldnt fault
tst ip, #4
movne r3, r7, pull #8
movne r3, r7, lspull #8
ldrne r7, [r1], #4
orrne r3, r3, r7, push #24
orrne r3, r3, r7, lspush #24
TUSER( strne) r3, [r0], #4 @ Shouldnt fault
ands ip, ip, #3
beq .Lc2u_1fupi
@ -172,9 +172,9 @@ USER( TUSER( strgtb) r3, [r0], #1) @ May fault
.Lc2u_2fupi: subs r2, r2, #4
addmi ip, r2, #4
bmi .Lc2u_2nowords
mov r3, r7, pull #16
mov r3, r7, lspull #16
ldr r7, [r1], #4
orr r3, r3, r7, push #16
orr r3, r3, r7, lspush #16
USER( TUSER( str) r3, [r0], #4) @ May fault
mov ip, r0, lsl #32 - PAGE_SHIFT
rsb ip, ip, #0
@ -186,30 +186,30 @@ USER( TUSER( str) r3, [r0], #4) @ May fault
subs ip, ip, #16
blt .Lc2u_2rem8lp
.Lc2u_2cpy8lp: mov r3, r7, pull #16
.Lc2u_2cpy8lp: mov r3, r7, lspull #16
ldmia r1!, {r4 - r7}
subs ip, ip, #16
orr r3, r3, r4, push #16
mov r4, r4, pull #16
orr r4, r4, r5, push #16
mov r5, r5, pull #16
orr r5, r5, r6, push #16
mov r6, r6, pull #16
orr r6, r6, r7, push #16
orr r3, r3, r4, lspush #16
mov r4, r4, lspull #16
orr r4, r4, r5, lspush #16
mov r5, r5, lspull #16
orr r5, r5, r6, lspush #16
mov r6, r6, lspull #16
orr r6, r6, r7, lspush #16
stmia r0!, {r3 - r6} @ Shouldnt fault
bpl .Lc2u_2cpy8lp
.Lc2u_2rem8lp: tst ip, #8
movne r3, r7, pull #16
movne r3, r7, lspull #16
ldmneia r1!, {r4, r7}
orrne r3, r3, r4, push #16
movne r4, r4, pull #16
orrne r4, r4, r7, push #16
orrne r3, r3, r4, lspush #16
movne r4, r4, lspull #16
orrne r4, r4, r7, lspush #16
stmneia r0!, {r3 - r4} @ Shouldnt fault
tst ip, #4
movne r3, r7, pull #16
movne r3, r7, lspull #16
ldrne r7, [r1], #4
orrne r3, r3, r7, push #16
orrne r3, r3, r7, lspush #16
TUSER( strne) r3, [r0], #4 @ Shouldnt fault
ands ip, ip, #3
beq .Lc2u_2fupi
@ -227,9 +227,9 @@ USER( TUSER( strgtb) r3, [r0], #1) @ May fault
.Lc2u_3fupi: subs r2, r2, #4
addmi ip, r2, #4
bmi .Lc2u_3nowords
mov r3, r7, pull #24
mov r3, r7, lspull #24
ldr r7, [r1], #4
orr r3, r3, r7, push #8
orr r3, r3, r7, lspush #8
USER( TUSER( str) r3, [r0], #4) @ May fault
mov ip, r0, lsl #32 - PAGE_SHIFT
rsb ip, ip, #0
@ -241,30 +241,30 @@ USER( TUSER( str) r3, [r0], #4) @ May fault
subs ip, ip, #16
blt .Lc2u_3rem8lp
.Lc2u_3cpy8lp: mov r3, r7, pull #24
.Lc2u_3cpy8lp: mov r3, r7, lspull #24
ldmia r1!, {r4 - r7}
subs ip, ip, #16
orr r3, r3, r4, push #8
mov r4, r4, pull #24
orr r4, r4, r5, push #8
mov r5, r5, pull #24
orr r5, r5, r6, push #8
mov r6, r6, pull #24
orr r6, r6, r7, push #8
orr r3, r3, r4, lspush #8
mov r4, r4, lspull #24
orr r4, r4, r5, lspush #8
mov r5, r5, lspull #24
orr r5, r5, r6, lspush #8
mov r6, r6, lspull #24
orr r6, r6, r7, lspush #8
stmia r0!, {r3 - r6} @ Shouldnt fault
bpl .Lc2u_3cpy8lp
.Lc2u_3rem8lp: tst ip, #8
movne r3, r7, pull #24
movne r3, r7, lspull #24
ldmneia r1!, {r4, r7}
orrne r3, r3, r4, push #8
movne r4, r4, pull #24
orrne r4, r4, r7, push #8
orrne r3, r3, r4, lspush #8
movne r4, r4, lspull #24
orrne r4, r4, r7, lspush #8
stmneia r0!, {r3 - r4} @ Shouldnt fault
tst ip, #4
movne r3, r7, pull #24
movne r3, r7, lspull #24
ldrne r7, [r1], #4
orrne r3, r3, r7, push #8
orrne r3, r3, r7, lspush #8
TUSER( strne) r3, [r0], #4 @ Shouldnt fault
ands ip, ip, #3
beq .Lc2u_3fupi
@ -382,9 +382,9 @@ USER( TUSER( ldr) r7, [r1], #4) @ May fault
.Lcfu_1fupi: subs r2, r2, #4
addmi ip, r2, #4
bmi .Lcfu_1nowords
mov r3, r7, pull #8
mov r3, r7, lspull #8
USER( TUSER( ldr) r7, [r1], #4) @ May fault
orr r3, r3, r7, push #24
orr r3, r3, r7, lspush #24
str r3, [r0], #4
mov ip, r1, lsl #32 - PAGE_SHIFT
rsb ip, ip, #0
@ -396,30 +396,30 @@ USER( TUSER( ldr) r7, [r1], #4) @ May fault
subs ip, ip, #16
blt .Lcfu_1rem8lp
.Lcfu_1cpy8lp: mov r3, r7, pull #8
.Lcfu_1cpy8lp: mov r3, r7, lspull #8
ldmia r1!, {r4 - r7} @ Shouldnt fault
subs ip, ip, #16
orr r3, r3, r4, push #24
mov r4, r4, pull #8
orr r4, r4, r5, push #24
mov r5, r5, pull #8
orr r5, r5, r6, push #24
mov r6, r6, pull #8
orr r6, r6, r7, push #24
orr r3, r3, r4, lspush #24
mov r4, r4, lspull #8
orr r4, r4, r5, lspush #24
mov r5, r5, lspull #8
orr r5, r5, r6, lspush #24
mov r6, r6, lspull #8
orr r6, r6, r7, lspush #24
stmia r0!, {r3 - r6}
bpl .Lcfu_1cpy8lp
.Lcfu_1rem8lp: tst ip, #8
movne r3, r7, pull #8
movne r3, r7, lspull #8
ldmneia r1!, {r4, r7} @ Shouldnt fault
orrne r3, r3, r4, push #24
movne r4, r4, pull #8
orrne r4, r4, r7, push #24
orrne r3, r3, r4, lspush #24
movne r4, r4, lspull #8
orrne r4, r4, r7, lspush #24
stmneia r0!, {r3 - r4}
tst ip, #4
movne r3, r7, pull #8
movne r3, r7, lspull #8
USER( TUSER( ldrne) r7, [r1], #4) @ May fault
orrne r3, r3, r7, push #24
orrne r3, r3, r7, lspush #24
strne r3, [r0], #4
ands ip, ip, #3
beq .Lcfu_1fupi
@ -437,9 +437,9 @@ USER( TUSER( ldrne) r7, [r1], #4) @ May fault
.Lcfu_2fupi: subs r2, r2, #4
addmi ip, r2, #4
bmi .Lcfu_2nowords
mov r3, r7, pull #16
mov r3, r7, lspull #16
USER( TUSER( ldr) r7, [r1], #4) @ May fault
orr r3, r3, r7, push #16
orr r3, r3, r7, lspush #16
str r3, [r0], #4
mov ip, r1, lsl #32 - PAGE_SHIFT
rsb ip, ip, #0
@ -452,30 +452,30 @@ USER( TUSER( ldr) r7, [r1], #4) @ May fault
blt .Lcfu_2rem8lp
.Lcfu_2cpy8lp: mov r3, r7, pull #16
.Lcfu_2cpy8lp: mov r3, r7, lspull #16
ldmia r1!, {r4 - r7} @ Shouldnt fault
subs ip, ip, #16
orr r3, r3, r4, push #16
mov r4, r4, pull #16
orr r4, r4, r5, push #16
mov r5, r5, pull #16
orr r5, r5, r6, push #16
mov r6, r6, pull #16
orr r6, r6, r7, push #16
orr r3, r3, r4, lspush #16
mov r4, r4, lspull #16
orr r4, r4, r5, lspush #16
mov r5, r5, lspull #16
orr r5, r5, r6, lspush #16
mov r6, r6, lspull #16
orr r6, r6, r7, lspush #16
stmia r0!, {r3 - r6}
bpl .Lcfu_2cpy8lp
.Lcfu_2rem8lp: tst ip, #8
movne r3, r7, pull #16
movne r3, r7, lspull #16
ldmneia r1!, {r4, r7} @ Shouldnt fault
orrne r3, r3, r4, push #16
movne r4, r4, pull #16
orrne r4, r4, r7, push #16
orrne r3, r3, r4, lspush #16
movne r4, r4, lspull #16
orrne r4, r4, r7, lspush #16
stmneia r0!, {r3 - r4}
tst ip, #4
movne r3, r7, pull #16
movne r3, r7, lspull #16
USER( TUSER( ldrne) r7, [r1], #4) @ May fault
orrne r3, r3, r7, push #16
orrne r3, r3, r7, lspush #16
strne r3, [r0], #4
ands ip, ip, #3
beq .Lcfu_2fupi
@ -493,9 +493,9 @@ USER( TUSER( ldrgtb) r3, [r1], #0) @ May fault
.Lcfu_3fupi: subs r2, r2, #4
addmi ip, r2, #4
bmi .Lcfu_3nowords
mov r3, r7, pull #24
mov r3, r7, lspull #24
USER( TUSER( ldr) r7, [r1], #4) @ May fault
orr r3, r3, r7, push #8
orr r3, r3, r7, lspush #8
str r3, [r0], #4
mov ip, r1, lsl #32 - PAGE_SHIFT
rsb ip, ip, #0
@ -507,30 +507,30 @@ USER( TUSER( ldr) r7, [r1], #4) @ May fault
subs ip, ip, #16
blt .Lcfu_3rem8lp
.Lcfu_3cpy8lp: mov r3, r7, pull #24
.Lcfu_3cpy8lp: mov r3, r7, lspull #24
ldmia r1!, {r4 - r7} @ Shouldnt fault
orr r3, r3, r4, push #8
mov r4, r4, pull #24
orr r4, r4, r5, push #8
mov r5, r5, pull #24
orr r5, r5, r6, push #8
mov r6, r6, pull #24
orr r6, r6, r7, push #8
orr r3, r3, r4, lspush #8
mov r4, r4, lspull #24
orr r4, r4, r5, lspush #8
mov r5, r5, lspull #24
orr r5, r5, r6, lspush #8
mov r6, r6, lspull #24
orr r6, r6, r7, lspush #8
stmia r0!, {r3 - r6}
subs ip, ip, #16
bpl .Lcfu_3cpy8lp
.Lcfu_3rem8lp: tst ip, #8
movne r3, r7, pull #24
movne r3, r7, lspull #24
ldmneia r1!, {r4, r7} @ Shouldnt fault
orrne r3, r3, r4, push #8
movne r4, r4, pull #24
orrne r4, r4, r7, push #8
orrne r3, r3, r4, lspush #8
movne r4, r4, lspull #24
orrne r4, r4, r7, lspush #8
stmneia r0!, {r3 - r4}
tst ip, #4
movne r3, r7, pull #24
movne r3, r7, lspull #24
USER( TUSER( ldrne) r7, [r1], #4) @ May fault
orrne r3, r3, r7, push #8
orrne r3, r3, r7, lspush #8
strne r3, [r0], #4
ands ip, ip, #3
beq .Lcfu_3fupi

2
arch/arm/mach-cns3xxx/core.c
View File

@ -155,7 +155,7 @@ static irqreturn_t cns3xxx_timer_interrupt(int irq, void *dev_id)
static struct irqaction cns3xxx_timer_irq = {
.name = "timer",
.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
.flags = IRQF_TIMER | IRQF_IRQPOLL,
.handler = cns3xxx_timer_interrupt,
};

2
arch/arm/mach-ebsa110/core.c
View File

@ -206,7 +206,7 @@ ebsa110_timer_interrupt(int irq, void *dev_id)
static struct irqaction ebsa110_timer_irq = {
.name = "EBSA110 Timer Tick",
.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
.flags = IRQF_TIMER | IRQF_IRQPOLL,
.handler = ebsa110_timer_interrupt,
};

6
arch/arm/mach-footbridge/dc21285-timer.c
View File

@ -105,7 +105,7 @@ static irqreturn_t timer1_interrupt(int irq, void *dev_id)
static struct irqaction footbridge_timer_irq = {
.name = "dc21285_timer1",
.handler = timer1_interrupt,
.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
.flags = IRQF_TIMER | IRQF_IRQPOLL,
.dev_id = &ckevt_dc21285,
};
@ -125,7 +125,7 @@ void __init footbridge_timer_init(void)
clockevents_config_and_register(ce, rate, 0x4, 0xffffff);
}
static u32 notrace footbridge_read_sched_clock(void)
static u64 notrace footbridge_read_sched_clock(void)
{
return ~*CSR_TIMER3_VALUE;
}
@ -138,5 +138,5 @@ void __init footbridge_sched_clock(void)
*CSR_TIMER3_CLR = 0;
*CSR_TIMER3_CNTL = TIMER_CNTL_ENABLE | TIMER_CNTL_DIV16;
setup_sched_clock(footbridge_read_sched_clock, 24, rate);
sched_clock_register(footbridge_read_sched_clock, 24, rate);
}

10
arch/arm/mach-footbridge/dc21285.c
View File

@ -334,15 +334,15 @@ void __init dc21285_preinit(void)
/*
* We don't care if these fail.
*/
dc21285_request_irq(IRQ_PCI_SERR, dc21285_serr_irq, IRQF_DISABLED,
dc21285_request_irq(IRQ_PCI_SERR, dc21285_serr_irq, 0,
"PCI system error", &serr_timer);
dc21285_request_irq(IRQ_PCI_PERR, dc21285_parity_irq, IRQF_DISABLED,
dc21285_request_irq(IRQ_PCI_PERR, dc21285_parity_irq, 0,
"PCI parity error", &perr_timer);
dc21285_request_irq(IRQ_PCI_ABORT, dc21285_abort_irq, IRQF_DISABLED,
dc21285_request_irq(IRQ_PCI_ABORT, dc21285_abort_irq, 0,
"PCI abort", NULL);
dc21285_request_irq(IRQ_DISCARD_TIMER, dc21285_discard_irq, IRQF_DISABLED,
dc21285_request_irq(IRQ_DISCARD_TIMER, dc21285_discard_irq, 0,
"Discard timer", NULL);
dc21285_request_irq(IRQ_PCI_DPERR, dc21285_dparity_irq, IRQF_DISABLED,
dc21285_request_irq(IRQ_PCI_DPERR, dc21285_dparity_irq, 0,
"PCI data parity", NULL);
if (cfn_mode) {

2
arch/arm/mach-footbridge/isa-timer.c
View File

@ -27,7 +27,7 @@ static irqreturn_t pit_timer_interrupt(int irq, void *dev_id)
static struct irqaction pit_timer_irq = {
.name = "pit",
.handler = pit_timer_interrupt,
.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
.flags = IRQF_TIMER | IRQF_IRQPOLL,
.dev_id = &i8253_clockevent,
};

2
arch/arm/mach-gemini/idle.c
View File

@ -3,7 +3,7 @@
*/
#include <linux/init.h>
#include <asm/system.h>
#include <asm/system_misc.h>
#include <asm/proc-fns.h>
static void gemini_idle(void)

2
arch/arm/mach-integrator/integrator_ap.c
View File

@ -358,7 +358,7 @@ static struct clock_event_device integrator_clockevent = {
static struct irqaction integrator_timer_irq = {
.name = "timer",
.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
.flags = IRQF_TIMER | IRQF_IRQPOLL,
.handler = integrator_timer_interrupt,
.dev_id = &integrator_clockevent,
};

2
arch/arm/mach-ixp4xx/common.c
View File

@ -312,7 +312,7 @@ static irqreturn_t ixp4xx_timer_interrupt(int irq, void *dev_id)
static struct irqaction ixp4xx_timer_irq = {
.name = "timer1",
.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
.flags = IRQF_TIMER | IRQF_IRQPOLL,
.handler = ixp4xx_timer_interrupt,
.dev_id = &clockevent_ixp4xx,
};

3
arch/arm/mach-ixp4xx/dsmg600-setup.c
View File

@ -233,8 +233,7 @@ static int __init dsmg600_gpio_init(void)
gpio_request(DSMG600_RB_GPIO, "reset button");
if (request_irq(gpio_to_irq(DSMG600_RB_GPIO), &dsmg600_reset_handler,
IRQF_DISABLED | IRQF_TRIGGER_LOW,
"DSM-G600 reset button", NULL) < 0) {
IRQF_TRIGGER_LOW, "DSM-G600 reset button", NULL) < 0) {
printk(KERN_DEBUG "Reset Button IRQ %d not available\n",
gpio_to_irq(DSMG600_RB_GPIO));

6
arch/arm/mach-ixp4xx/fsg-setup.c
View File

@ -208,16 +208,14 @@ static void __init fsg_init(void)
platform_add_devices(fsg_devices, ARRAY_SIZE(fsg_devices));
if (request_irq(gpio_to_irq(FSG_RB_GPIO), &fsg_reset_handler,
IRQF_DISABLED | IRQF_TRIGGER_LOW,
"FSG reset button", NULL) < 0) {
IRQF_TRIGGER_LOW, "FSG reset button", NULL) < 0) {
printk(KERN_DEBUG "Reset Button IRQ %d not available\n",
gpio_to_irq(FSG_RB_GPIO));
}
if (request_irq(gpio_to_irq(FSG_SB_GPIO), &fsg_power_handler,
IRQF_DISABLED | IRQF_TRIGGER_LOW,
"FSG power button", NULL) < 0) {
IRQF_TRIGGER_LOW, "FSG power button", NULL) < 0) {
printk(KERN_DEBUG "Power Button IRQ %d not available\n",
gpio_to_irq(FSG_SB_GPIO));

3
arch/arm/mach-ixp4xx/nas100d-setup.c
View File

@ -295,8 +295,7 @@ static void __init nas100d_init(void)
pm_power_off = nas100d_power_off;
if (request_irq(gpio_to_irq(NAS100D_RB_GPIO), &nas100d_reset_handler,
IRQF_DISABLED | IRQF_TRIGGER_LOW,
"NAS100D reset button", NULL) < 0) {
IRQF_TRIGGER_LOW, "NAS100D reset button", NULL) < 0) {
printk(KERN_DEBUG "Reset Button IRQ %d not available\n",
gpio_to_irq(NAS100D_RB_GPIO));

6
arch/arm/mach-ixp4xx/nslu2-setup.c
View File

@ -265,16 +265,14 @@ static void __init nslu2_init(void)
pm_power_off = nslu2_power_off;
if (request_irq(gpio_to_irq(NSLU2_RB_GPIO), &nslu2_reset_handler,
IRQF_DISABLED | IRQF_TRIGGER_LOW,
"NSLU2 reset button", NULL) < 0) {
IRQF_TRIGGER_LOW, "NSLU2 reset button", NULL) < 0) {
printk(KERN_DEBUG "Reset Button IRQ %d not available\n",
gpio_to_irq(NSLU2_RB_GPIO));
}
if (request_irq(gpio_to_irq(NSLU2_PB_GPIO), &nslu2_power_handler,
IRQF_DISABLED | IRQF_TRIGGER_HIGH,
"NSLU2 power button", NULL) < 0) {
IRQF_TRIGGER_HIGH, "NSLU2 power button", NULL) < 0) {
printk(KERN_DEBUG "Power Button IRQ %d not available\n",
gpio_to_irq(NSLU2_PB_GPIO));

2
arch/arm/mach-ks8695/time.c
View File

@ -122,7 +122,7 @@ static irqreturn_t ks8695_timer_interrupt(int irq, void *dev_id)
static struct irqaction ks8695_timer_irq = {
.name = "ks8695_tick",
.flags = IRQF_DISABLED | IRQF_TIMER,
.flags = IRQF_TIMER,
.handler = ks8695_timer_interrupt,
};

2
arch/arm/mach-lpc32xx/timer.c
View File

@ -90,7 +90,7 @@ static irqreturn_t lpc32xx_timer_interrupt(int irq, void *dev_id)
static struct irqaction lpc32xx_timer_irq = {
.name = "LPC32XX Timer Tick",
.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
.flags = IRQF_TIMER | IRQF_IRQPOLL,
.handler = lpc32xx_timer_interrupt,
};

2
arch/arm/mach-mmp/time.c
View File

@ -186,7 +186,7 @@ static void __init timer_config(void)
static struct irqaction timer_irq = {
.name = "timer",
.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
.flags = IRQF_TIMER | IRQF_IRQPOLL,
.handler = timer_interrupt,
.dev_id = &ckevt,
};

2
arch/arm/mach-netx/time.c
View File

@ -99,7 +99,7 @@ netx_timer_interrupt(int irq, void *dev_id)
static struct irqaction netx_timer_irq = {
.name = "NetX Timer Tick",
.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
.flags = IRQF_TIMER | IRQF_IRQPOLL,
.handler = netx_timer_interrupt,
};

1
arch/arm/mach-omap2/am35xx-emac.c
View File

@ -17,7 +17,6 @@
#include <linux/err.h>
#include <linux/davinci_emac.h>
#include <asm/system.h>
#include "omap_device.h"
#include "am35xx.h"
#include "control.h"

2
arch/arm/mach-rpc/dma.c
View File

@ -141,7 +141,7 @@ static int iomd_request_dma(unsigned int chan, dma_t *dma)
struct iomd_dma *idma = container_of(dma, struct iomd_dma, dma);
return request_irq(idma->irq, iomd_dma_handle,
IRQF_DISABLED, idma->dma.device_id, idma);
0, idma->dma.device_id, idma);
}
static void iomd_free_dma(unsigned int chan, dma_t *dma)

1
arch/arm/mach-rpc/time.c
View File

@ -75,7 +75,6 @@ ioc_timer_interrupt(int irq, void *dev_id)
static struct irqaction ioc_timer_irq = {
.name = "timer",
.flags = IRQF_DISABLED,
.handler = ioc_timer_interrupt
};

2
arch/arm/mach-sa1100/time.c
View File

@ -112,7 +112,7 @@ static struct clock_event_device ckevt_sa1100_osmr0 = {
static struct irqaction sa1100_timer_irq = {
.name = "ost0",
.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
.flags = IRQF_TIMER | IRQF_IRQPOLL,
.handler = sa1100_ost0_interrupt,
.dev_id = &ckevt_sa1100_osmr0,
};

2
arch/arm/mach-spear/time.c
View File

@ -172,7 +172,7 @@ static irqreturn_t spear_timer_interrupt(int irq, void *dev_id)
static struct irqaction spear_timer_irq = {
.name = "timer",
.flags = IRQF_DISABLED | IRQF_TIMER,
.flags = IRQF_TIMER,
.handler = spear_timer_interrupt
};

3
arch/arm/mach-vexpress/Makefile
View File

@ -8,8 +8,11 @@ obj-y := v2m.o
obj-$(CONFIG_ARCH_VEXPRESS_CA9X4) += ct-ca9x4.o
obj-$(CONFIG_ARCH_VEXPRESS_DCSCB) += dcscb.o dcscb_setup.o
CFLAGS_dcscb.o += -march=armv7-a
CFLAGS_REMOVE_dcscb.o = -pg
obj-$(CONFIG_ARCH_VEXPRESS_SPC) += spc.o
CFLAGS_REMOVE_spc.o = -pg
obj-$(CONFIG_ARCH_VEXPRESS_TC2_PM) += tc2_pm.o
CFLAGS_tc2_pm.o += -march=armv7-a
CFLAGS_REMOVE_tc2_pm.o = -pg
obj-$(CONFIG_SMP) += platsmp.o
obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o

2
arch/arm/mach-w90x900/time.c
View File

@ -111,7 +111,7 @@ static irqreturn_t nuc900_timer0_interrupt(int irq, void *dev_id)
static struct irqaction nuc900_timer0_irq = {
.name = "nuc900-timer0",
.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
.flags = IRQF_TIMER | IRQF_IRQPOLL,
.handler = nuc900_timer0_interrupt,
};

3
arch/arm/mm/Kconfig
View File

@ -446,7 +446,6 @@ config CPU_32v5
config CPU_32v6
bool
select CPU_USE_DOMAINS if CPU_V6 && MMU
select TLS_REG_EMUL if !CPU_32v6K && !MMU
config CPU_32v6K
@ -671,7 +670,7 @@ config ARM_VIRT_EXT
config SWP_EMULATE
bool "Emulate SWP/SWPB instructions"
depends on !CPU_USE_DOMAINS && CPU_V7
depends on CPU_V7
default y if SMP
select HAVE_PROC_CPU if PROC_FS
help

4
arch/arm/mm/cache-feroceon-l2.c
View File

@ -331,7 +331,9 @@ static void __init enable_l2(void)
enable_icache();
if (d)
enable_dcache();
}
} else
pr_err(FW_BUG
"Feroceon L2: bootloader left the L2 cache on!\n");
}
void __init feroceon_l2_init(int __l2_wt_override)

3
arch/arm/mm/dma-mapping.c
View File

@ -284,9 +284,6 @@ static void __dma_free_buffer(struct page *page, size_t size)
}
#ifdef CONFIG_MMU
#ifdef CONFIG_HUGETLB_PAGE
#warning ARM Coherent DMA allocator does not (yet) support huge TLB
#endif
static void *__alloc_from_contiguous(struct device *dev, size_t size,
pgprot_t prot, struct page **ret_page,

10
arch/arm/mm/mmu.c
View File

@ -515,6 +515,16 @@ static void __init build_mem_type_table(void)
hyp_device_pgprot = mem_types[MT_DEVICE].prot_pte;
s2_device_pgprot = mem_types[MT_DEVICE].prot_pte_s2;
/*
* We don't use domains on ARMv6 (since this causes problems with
* v6/v7 kernels), so we must use a separate memory type for user
* r/o, kernel r/w to map the vectors page.
*/
#ifndef CONFIG_ARM_LPAE
if (cpu_arch == CPU_ARCH_ARMv6)
vecs_pgprot |= L_PTE_MT_VECTORS;
#endif
/*
* ARMv6 and above have extended page tables.
*/

19
arch/arm/mm/proc-macros.S
View File

@ -112,13 +112,9 @@
* 100x 1 0 1 r/o no acc
* 10x0 1 0 1 r/o no acc
* 1011 0 0 1 r/w no acc
* 110x 0 1 0 r/w r/o
* 11x0 0 1 0 r/w r/o
* 1111 0 1 1 r/w r/w
*
* If !CONFIG_CPU_USE_DOMAINS, the following permissions are changed:
* 110x 1 1 1 r/o r/o
* 11x0 1 1 1 r/o r/o
* 1111 0 1 1 r/w r/w
*/
.macro armv6_mt_table pfx
\pfx\()_mt_table:
@ -137,7 +133,7 @@
.long PTE_EXT_TEX(2) @ L_PTE_MT_DEV_NONSHARED
.long 0x00 @ unused
.long 0x00 @ unused
.long 0x00 @ unused
.long PTE_CACHEABLE | PTE_BUFFERABLE | PTE_EXT_APX @ L_PTE_MT_VECTORS
.endm
.macro armv6_set_pte_ext pfx
@ -158,24 +154,21 @@
tst r1, #L_PTE_USER
orrne r3, r3, #PTE_EXT_AP1
#ifdef CONFIG_CPU_USE_DOMAINS
@ allow kernel read/write access to read-only user pages
tstne r3, #PTE_EXT_APX
bicne r3, r3, #PTE_EXT_APX | PTE_EXT_AP0
#endif
@ user read-only -> kernel read-only
bicne r3, r3, #PTE_EXT_AP0
tst r1, #L_PTE_XN
orrne r3, r3, #PTE_EXT_XN
orr r3, r3, r2
eor r3, r3, r2
tst r1, #L_PTE_YOUNG
tstne r1, #L_PTE_PRESENT
moveq r3, #0
#ifndef CONFIG_CPU_USE_DOMAINS
tstne r1, #L_PTE_NONE
movne r3, #0
#endif
str r3, [r0]
mcr p15, 0, r0, c7, c10, 1 @ flush_pte

7
arch/arm/mm/proc-v7-2level.S
View File

@ -90,21 +90,14 @@ ENTRY(cpu_v7_set_pte_ext)
tst r1, #L_PTE_USER
orrne r3, r3, #PTE_EXT_AP1
#ifdef CONFIG_CPU_USE_DOMAINS
@ allow kernel read/write access to read-only user pages
tstne r3, #PTE_EXT_APX
bicne r3, r3, #PTE_EXT_APX | PTE_EXT_AP0
#endif
tst r1, #L_PTE_XN
orrne r3, r3, #PTE_EXT_XN
tst r1, #L_PTE_YOUNG
tstne r1, #L_PTE_VALID
#ifndef CONFIG_CPU_USE_DOMAINS
eorne r1, r1, #L_PTE_NONE
tstne r1, #L_PTE_NONE
#endif
moveq r3, #0
ARM( str r3, [r0, #2048]! )

11
arch/arm/mm/proc-v7.S
View File

@ -192,6 +192,7 @@ __v7_cr7mp_setup:
mov r10, #(1 << 0) @ Cache/TLB ops broadcasting
b 1f
__v7_ca7mp_setup:
__v7_ca12mp_setup:
__v7_ca15mp_setup:
mov r10, #0
1:
@ -483,6 +484,16 @@ __v7_ca7mp_proc_info:
__v7_proc __v7_ca7mp_setup
.size __v7_ca7mp_proc_info, . - __v7_ca7mp_proc_info
/*
* ARM Ltd. Cortex A12 processor.
*/
.type __v7_ca12mp_proc_info, #object
__v7_ca12mp_proc_info:
.long 0x410fc0d0
.long 0xff0ffff0
__v7_proc __v7_ca12mp_setup
.size __v7_ca12mp_proc_info, . - __v7_ca12mp_proc_info
/*
* ARM Ltd. Cortex A15 processor.
*/

2
arch/arm/plat-iop/time.c
View File

@ -127,7 +127,7 @@ iop_timer_interrupt(int irq, void *dev_id)
static struct irqaction iop_timer_irq = {
.name = "IOP Timer Tick",
.handler = iop_timer_interrupt,
.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
.flags = IRQF_TIMER | IRQF_IRQPOLL,
.dev_id = &iop_clockevent,
};

2
drivers/clocksource/timer-u300.c
View File

@ -333,7 +333,7 @@ static irqreturn_t u300_timer_interrupt(int irq, void *dev_id)
static struct irqaction u300_timer_irq = {
.name = "U300 Timer Tick",
.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
.flags = IRQF_TIMER | IRQF_IRQPOLL,
.handler = u300_timer_interrupt,
};

2
drivers/scsi/arm/acornscsi.c
View File

@ -2971,7 +2971,7 @@ static int acornscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
ec->irqaddr = ashost->fast + INT_REG;
ec->irqmask = 0x0a;
ret = request_irq(host->irq, acornscsi_intr, IRQF_DISABLED, "acornscsi", ashost);
ret = request_irq(host->irq, acornscsi_intr, 0, "acornscsi", ashost);
if (ret) {
printk(KERN_CRIT "scsi%d: IRQ%d not free: %d\n",
host->host_no, ashost->scsi.irq, ret);

2
drivers/scsi/arm/cumana_1.c
View File

@ -262,7 +262,7 @@ static int cumanascsi1_probe(struct expansion_card *ec,
goto out_unmap;
}
ret = request_irq(host->irq, cumanascsi_intr, IRQF_DISABLED,
ret = request_irq(host->irq, cumanascsi_intr, 0,
"CumanaSCSI-1", host);
if (ret) {
printk("scsi%d: IRQ%d not free: %d\n",

2
drivers/scsi/arm/cumana_2.c
View File

@ -431,7 +431,7 @@ static int cumanascsi2_probe(struct expansion_card *ec,
goto out_free;
ret = request_irq(ec->irq, cumanascsi_2_intr,
IRQF_DISABLED, "cumanascsi2", info);
0, "cumanascsi2", info);
if (ret) {
printk("scsi%d: IRQ%d not free: %d\n",
host->host_no, ec->irq, ret);

2
drivers/scsi/arm/powertec.c
View File

@ -358,7 +358,7 @@ static int powertecscsi_probe(struct expansion_card *ec,
goto out_free;
ret = request_irq(ec->irq, powertecscsi_intr,
IRQF_DISABLED, "powertec", info);
0, "powertec", info);
if (ret) {
printk("scsi%d: IRQ%d not free: %d\n",
host->host_no, ec->irq, ret);

1
drivers/usb/gadget/lpc32xx_udc.c
View File

@ -55,7 +55,6 @@
#include <mach/hardware.h>
#include <linux/io.h>
#include <asm/irq.h>
#include <asm/system.h>
#include <mach/platform.h>
#include <mach/irqs.h>

2
include/linux/memblock.h
View File

@ -252,6 +252,8 @@ static inline void memblock_dump_all(void)
void memblock_set_current_limit(phys_addr_t limit);
phys_addr_t memblock_get_current_limit(void);
/*
* pfn conversion functions
*

5
mm/memblock.c
View File

@ -1407,6 +1407,11 @@ void __init_memblock memblock_set_current_limit(phys_addr_t limit)
memblock.current_limit = limit;
}
phys_addr_t __init_memblock memblock_get_current_limit(void)
{
return memblock.current_limit;
}
static void __init_memblock memblock_dump(struct memblock_type *type, char *name)
{
unsigned long long base, size;