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-rw-r--r--arch/arm/kernel/armksyms.c4
-rw-r--r--arch/arm/kernel/bios32.c2
-rw-r--r--arch/arm/kernel/crunch.c2
-rw-r--r--arch/arm/kernel/debug.S5
-rw-r--r--arch/arm/kernel/dma-isa.c3
-rw-r--r--arch/arm/kernel/entry-armv.S16
-rw-r--r--arch/arm/kernel/entry-common.S25
-rw-r--r--arch/arm/kernel/fiq.c1
-rw-r--r--arch/arm/kernel/head-common.S19
-rw-r--r--arch/arm/kernel/head-nommu.S4
-rw-r--r--arch/arm/kernel/head.S12
-rw-r--r--arch/arm/kernel/init_task.c2
-rw-r--r--arch/arm/kernel/io.c3
-rw-r--r--arch/arm/kernel/kprobes-decode.c4
-rw-r--r--arch/arm/kernel/kprobes.c5
-rw-r--r--arch/arm/kernel/machine_kexec.c2
-rw-r--r--arch/arm/kernel/process.c33
-rw-r--r--arch/arm/kernel/ptrace.c10
-rw-r--r--arch/arm/kernel/setup.c279
-rw-r--r--arch/arm/kernel/signal.c2
-rw-r--r--arch/arm/kernel/sys_arm.c3
-rw-r--r--arch/arm/kernel/sys_oabi-compat.c2
-rw-r--r--arch/arm/kernel/time.c2
-rw-r--r--arch/arm/kernel/traps.c18
-rw-r--r--arch/arm/kernel/xscale-cp0.c2
25 files changed, 148 insertions, 312 deletions
diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c
index cc7b246e965..2357b1cf1cf 100644
--- a/arch/arm/kernel/armksyms.c
+++ b/arch/arm/kernel/armksyms.c
@@ -13,11 +13,11 @@
#include <linux/delay.h>
#include <linux/in6.h>
#include <linux/syscalls.h>
+#include <linux/uaccess.h>
+#include <linux/io.h>
#include <asm/checksum.h>
-#include <asm/io.h>
#include <asm/system.h>
-#include <asm/uaccess.h>
#include <asm/ftrace.h>
/*
diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c
index e5747547b44..17a59b6e521 100644
--- a/arch/arm/kernel/bios32.c
+++ b/arch/arm/kernel/bios32.c
@@ -10,8 +10,8 @@
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/init.h>
+#include <linux/io.h>
-#include <asm/io.h>
#include <asm/mach-types.h>
#include <asm/mach/pci.h>
diff --git a/arch/arm/kernel/crunch.c b/arch/arm/kernel/crunch.c
index 3b6a1c293ee..99995c2b231 100644
--- a/arch/arm/kernel/crunch.c
+++ b/arch/arm/kernel/crunch.c
@@ -15,9 +15,9 @@
#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/init.h>
+#include <linux/io.h>
#include <mach/ep93xx-regs.h>
#include <asm/thread_notify.h>
-#include <asm/io.h>
struct crunch_state *crunch_owner;
diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S
index 9550ff0ddde..f53c5829054 100644
--- a/arch/arm/kernel/debug.S
+++ b/arch/arm/kernel/debug.S
@@ -89,10 +89,12 @@
ENTRY(printhex8)
mov r1, #8
b printhex
+ENDPROC(printhex8)
ENTRY(printhex4)
mov r1, #4
b printhex
+ENDPROC(printhex4)
ENTRY(printhex2)
mov r1, #2
@@ -110,6 +112,7 @@ printhex: adr r2, hexbuf
bne 1b
mov r0, r2
b printascii
+ENDPROC(printhex2)
.ltorg
@@ -127,11 +130,13 @@ ENTRY(printascii)
teqne r1, #0
bne 1b
mov pc, lr
+ENDPROC(printascii)
ENTRY(printch)
addruart r3
mov r1, r0
mov r0, #0
b 1b
+ENDPROC(printch)
hexbuf: .space 16
diff --git a/arch/arm/kernel/dma-isa.c b/arch/arm/kernel/dma-isa.c
index 2f080a35a2d..4a3a50495c6 100644
--- a/arch/arm/kernel/dma-isa.c
+++ b/arch/arm/kernel/dma-isa.c
@@ -19,10 +19,9 @@
#include <linux/ioport.h>
#include <linux/init.h>
#include <linux/dma-mapping.h>
+#include <linux/io.h>
#include <asm/dma.h>
-#include <asm/io.h>
-
#include <asm/mach/dma.h>
#define ISA_DMA_MODE_READ 0x44
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 617e509d60d..77b04747553 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -76,14 +76,17 @@
__pabt_invalid:
inv_entry BAD_PREFETCH
b common_invalid
+ENDPROC(__pabt_invalid)
__dabt_invalid:
inv_entry BAD_DATA
b common_invalid
+ENDPROC(__dabt_invalid)
__irq_invalid:
inv_entry BAD_IRQ
b common_invalid
+ENDPROC(__irq_invalid)
__und_invalid:
inv_entry BAD_UNDEFINSTR
@@ -107,6 +110,7 @@ common_invalid:
mov r0, sp
b bad_mode
+ENDPROC(__und_invalid)
/*
* SVC mode handlers
@@ -192,6 +196,7 @@ __dabt_svc:
ldr r0, [sp, #S_PSR]
msr spsr_cxsf, r0
ldmia sp, {r0 - pc}^ @ load r0 - pc, cpsr
+ENDPROC(__dabt_svc)
.align 5
__irq_svc:
@@ -223,6 +228,7 @@ __irq_svc:
bleq trace_hardirqs_on
#endif
ldmia sp, {r0 - pc}^ @ load r0 - pc, cpsr
+ENDPROC(__irq_svc)
.ltorg
@@ -272,6 +278,7 @@ __und_svc:
ldr lr, [sp, #S_PSR] @ Get SVC cpsr
msr spsr_cxsf, lr
ldmia sp, {r0 - pc}^ @ Restore SVC registers
+ENDPROC(__und_svc)
.align 5
__pabt_svc:
@@ -313,6 +320,7 @@ __pabt_svc:
ldr r0, [sp, #S_PSR]
msr spsr_cxsf, r0
ldmia sp, {r0 - pc}^ @ load r0 - pc, cpsr
+ENDPROC(__pabt_svc)
.align 5
.LCcralign:
@@ -412,6 +420,7 @@ __dabt_usr:
mov r2, sp
adr lr, ret_from_exception
b do_DataAbort
+ENDPROC(__dabt_usr)
.align 5
__irq_usr:
@@ -441,6 +450,7 @@ __irq_usr:
mov why, #0
b ret_to_user
+ENDPROC(__irq_usr)
.ltorg
@@ -474,6 +484,7 @@ __und_usr:
#else
b __und_usr_unknown
#endif
+ENDPROC(__und_usr)
@
@ fallthrough to call_fpe
@@ -642,6 +653,7 @@ __und_usr_unknown:
mov r0, sp
adr lr, ret_from_exception
b do_undefinstr
+ENDPROC(__und_usr_unknown)
.align 5
__pabt_usr:
@@ -666,6 +678,8 @@ ENTRY(ret_from_exception)
get_thread_info tsk
mov why, #0
b ret_to_user
+ENDPROC(__pabt_usr)
+ENDPROC(ret_from_exception)
/*
* Register switch for ARMv3 and ARMv4 processors
@@ -702,6 +716,7 @@ ENTRY(__switch_to)
bl atomic_notifier_call_chain
mov r0, r5
ldmia r4, {r4 - sl, fp, sp, pc} @ Load all regs saved previously
+ENDPROC(__switch_to)
__INIT
@@ -1029,6 +1044,7 @@ vector_\name:
mov r0, sp
ldr lr, [pc, lr, lsl #2]
movs pc, lr @ branch to handler in SVC mode
+ENDPROC(vector_\name)
.endm
.globl __stubs_start
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index 060d7e2e9f6..3aa14dcc5ba 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -77,6 +77,7 @@ no_work_pending:
mov r0, r0
add sp, sp, #S_FRAME_SIZE - S_PC
movs pc, lr @ return & move spsr_svc into cpsr
+ENDPROC(ret_to_user)
/*
* This is how we return from a fork.
@@ -92,7 +93,7 @@ ENTRY(ret_from_fork)
mov r0, #1 @ trace exit [IP = 1]
bl syscall_trace
b ret_slow_syscall
-
+ENDPROC(ret_from_fork)
.equ NR_syscalls,0
#define CALL(x) .equ NR_syscalls,NR_syscalls+1
@@ -269,6 +270,7 @@ ENTRY(vector_swi)
eor r0, scno, #__NR_SYSCALL_BASE @ put OS number back
bcs arm_syscall
b sys_ni_syscall @ not private func
+ENDPROC(vector_swi)
/*
* This is the really slow path. We're going to be doing
@@ -326,7 +328,6 @@ ENTRY(sys_call_table)
*/
@ r0 = syscall number
@ r8 = syscall table
- .type sys_syscall, #function
sys_syscall:
bic scno, r0, #__NR_OABI_SYSCALL_BASE
cmp scno, #__NR_syscall - __NR_SYSCALL_BASE
@@ -338,53 +339,65 @@ sys_syscall:
movlo r3, r4
ldrlo pc, [tbl, scno, lsl #2]
b sys_ni_syscall
+ENDPROC(sys_syscall)
sys_fork_wrapper:
add r0, sp, #S_OFF
b sys_fork
+ENDPROC(sys_fork_wrapper)
sys_vfork_wrapper:
add r0, sp, #S_OFF
b sys_vfork
+ENDPROC(sys_vfork_wrapper)
sys_execve_wrapper:
add r3, sp, #S_OFF
b sys_execve
+ENDPROC(sys_execve_wrapper)
sys_clone_wrapper:
add ip, sp, #S_OFF
str ip, [sp, #4]
b sys_clone
+ENDPROC(sys_clone_wrapper)
sys_sigsuspend_wrapper:
add r3, sp, #S_OFF
b sys_sigsuspend
+ENDPROC(sys_sigsuspend_wrapper)
sys_rt_sigsuspend_wrapper:
add r2, sp, #S_OFF
b sys_rt_sigsuspend
+ENDPROC(sys_rt_sigsuspend_wrapper)
sys_sigreturn_wrapper:
add r0, sp, #S_OFF
b sys_sigreturn
+ENDPROC(sys_sigreturn_wrapper)
sys_rt_sigreturn_wrapper:
add r0, sp, #S_OFF
b sys_rt_sigreturn
+ENDPROC(sys_rt_sigreturn_wrapper)
sys_sigaltstack_wrapper:
ldr r2, [sp, #S_OFF + S_SP]
b do_sigaltstack
+ENDPROC(sys_sigaltstack_wrapper)
sys_statfs64_wrapper:
teq r1, #88
moveq r1, #84
b sys_statfs64
+ENDPROC(sys_statfs64_wrapper)
sys_fstatfs64_wrapper:
teq r1, #88
moveq r1, #84
b sys_fstatfs64
+ENDPROC(sys_fstatfs64_wrapper)
/*
* Note: off_4k (r5) is always units of 4K. If we can't do the requested
@@ -402,11 +415,14 @@ sys_mmap2:
str r5, [sp, #4]
b do_mmap2
#endif
+ENDPROC(sys_mmap2)
ENTRY(pabort_ifar)
mrc p15, 0, r0, cr6, cr0, 2
ENTRY(pabort_noifar)
mov pc, lr
+ENDPROC(pabort_ifar)
+ENDPROC(pabort_noifar)
#ifdef CONFIG_OABI_COMPAT
@@ -417,26 +433,31 @@ ENTRY(pabort_noifar)
sys_oabi_pread64:
stmia sp, {r3, r4}
b sys_pread64
+ENDPROC(sys_oabi_pread64)
sys_oabi_pwrite64:
stmia sp, {r3, r4}
b sys_pwrite64
+ENDPROC(sys_oabi_pwrite64)
sys_oabi_truncate64:
mov r3, r2
mov r2, r1
b sys_truncate64
+ENDPROC(sys_oabi_truncate64)
sys_oabi_ftruncate64:
mov r3, r2
mov r2, r1
b sys_ftruncate64
+ENDPROC(sys_oabi_ftruncate64)
sys_oabi_readahead:
str r3, [sp]
mov r3, r2
mov r2, r1
b sys_readahead
+ENDPROC(sys_oabi_readahead)
/*
* Let's declare a second syscall table for old ABI binaries
diff --git a/arch/arm/kernel/fiq.c b/arch/arm/kernel/fiq.c
index e8e90346f11..36f81d96797 100644
--- a/arch/arm/kernel/fiq.c
+++ b/arch/arm/kernel/fiq.c
@@ -45,7 +45,6 @@
#include <asm/fiq.h>
#include <asm/irq.h>
#include <asm/system.h>
-#include <asm/uaccess.h>
static unsigned long no_fiq_insn;
diff --git a/arch/arm/kernel/head-common.S b/arch/arm/kernel/head-common.S
index 1c3c6ea5f9e..bde52df1c66 100644
--- a/arch/arm/kernel/head-common.S
+++ b/arch/arm/kernel/head-common.S
@@ -36,7 +36,6 @@ __switch_data:
* r2 = atags pointer
* r9 = processor ID
*/
- .type __mmap_switched, %function
__mmap_switched:
adr r3, __switch_data + 4
@@ -59,6 +58,7 @@ __mmap_switched:
bic r4, r0, #CR_A @ Clear 'A' bit
stmia r7, {r0, r4} @ Save control register values
b start_kernel
+ENDPROC(__mmap_switched)
/*
* Exception handling. Something went wrong and we can't proceed. We
@@ -69,8 +69,6 @@ __mmap_switched:
* and hope for the best (useful if bootloader fails to pass a proper
* machine ID for example).
*/
-
- .type __error_p, %function
__error_p:
#ifdef CONFIG_DEBUG_LL
adr r0, str_p1
@@ -84,8 +82,8 @@ str_p1: .asciz "\nError: unrecognized/unsupported processor variant (0x"
str_p2: .asciz ").\n"
.align
#endif
+ENDPROC(__error_p)
- .type __error_a, %function
__error_a:
#ifdef CONFIG_DEBUG_LL
mov r4, r1 @ preserve machine ID
@@ -115,13 +113,14 @@ __error_a:
adr r0, str_a3
bl printascii
b __error
+ENDPROC(__error_a)
+
str_a1: .asciz "\nError: unrecognized/unsupported machine ID (r1 = 0x"
str_a2: .asciz ").\n\nAvailable machine support:\n\nID (hex)\tNAME\n"
str_a3: .asciz "\nPlease check your kernel config and/or bootloader.\n"
.align
#endif
- .type __error, %function
__error:
#ifdef CONFIG_ARCH_RPC
/*
@@ -138,6 +137,7 @@ __error:
#endif
1: mov r0, r0
b 1b
+ENDPROC(__error)
/*
@@ -153,7 +153,6 @@ __error:
* r5 = proc_info pointer in physical address space
* r9 = cpuid (preserved)
*/
- .type __lookup_processor_type, %function
__lookup_processor_type:
adr r3, 3f
ldmda r3, {r5 - r7}
@@ -169,6 +168,7 @@ __lookup_processor_type:
blo 1b
mov r5, #0 @ unknown processor
2: mov pc, lr
+ENDPROC(__lookup_processor_type)
/*
* This provides a C-API version of the above function.
@@ -179,6 +179,7 @@ ENTRY(lookup_processor_type)
bl __lookup_processor_type
mov r0, r5
ldmfd sp!, {r4 - r7, r9, pc}
+ENDPROC(lookup_processor_type)
/*
* Look in <asm/procinfo.h> and arch/arm/kernel/arch.[ch] for
@@ -201,7 +202,6 @@ ENTRY(lookup_processor_type)
* r3, r4, r6 corrupted
* r5 = mach_info pointer in physical address space
*/
- .type __lookup_machine_type, %function
__lookup_machine_type:
adr r3, 3b
ldmia r3, {r4, r5, r6}
@@ -216,6 +216,7 @@ __lookup_machine_type:
blo 1b
mov r5, #0 @ unknown machine
2: mov pc, lr
+ENDPROC(__lookup_machine_type)
/*
* This provides a C-API version of the above function.
@@ -226,6 +227,7 @@ ENTRY(lookup_machine_type)
bl __lookup_machine_type
mov r0, r5
ldmfd sp!, {r4 - r6, pc}
+ENDPROC(lookup_machine_type)
/* Determine validity of the r2 atags pointer. The heuristic requires
* that the pointer be aligned, in the first 16k of physical RAM and
@@ -239,8 +241,6 @@ ENTRY(lookup_machine_type)
* r2 either valid atags pointer, or zero
* r5, r6 corrupted
*/
-
- .type __vet_atags, %function
__vet_atags:
tst r2, #0x3 @ aligned?
bne 1f
@@ -257,3 +257,4 @@ __vet_atags:
1: mov r2, #0
mov pc, lr
+ENDPROC(__vet_atags)
diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S
index 27329bd3203..cc87e1765ed 100644
--- a/arch/arm/kernel/head-nommu.S
+++ b/arch/arm/kernel/head-nommu.S
@@ -33,7 +33,6 @@
*
*/
.section ".text.head", "ax"
- .type stext, %function
ENTRY(stext)
msr cpsr_c, #PSR_F_BIT | PSR_I_BIT | SVC_MODE @ ensure svc mode
@ and irqs disabled
@@ -53,11 +52,11 @@ ENTRY(stext)
@ the initialization is done
adr lr, __after_proc_init @ return (PIC) address
add pc, r10, #PROCINFO_INITFUNC
+ENDPROC(stext)
/*
* Set the Control Register and Read the process ID.
*/
- .type __after_proc_init, %function
__after_proc_init:
#ifdef CONFIG_CPU_CP15
mrc p15, 0, r0, c1, c0, 0 @ read control reg
@@ -85,6 +84,7 @@ __after_proc_init:
mov pc, r13 @ clear the BSS and jump
@ to start_kernel
+ENDPROC(__after_proc_init)
.ltorg
#include "head-common.S"
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index bff4c6e90dd..21e17dc94cb 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -75,7 +75,6 @@
* circumstances, zImage) is for.
*/
.section ".text.head", "ax"
- .type stext, %function
ENTRY(stext)
msr cpsr_c, #PSR_F_BIT | PSR_I_BIT | SVC_MODE @ ensure svc mode
@ and irqs disabled
@@ -100,9 +99,9 @@ ENTRY(stext)
@ mmu has been enabled
adr lr, __enable_mmu @ return (PIC) address
add pc, r10, #PROCINFO_INITFUNC
+ENDPROC(stext)
#if defined(CONFIG_SMP)
- .type secondary_startup, #function
ENTRY(secondary_startup)
/*
* Common entry point for secondary CPUs.
@@ -128,6 +127,7 @@ ENTRY(secondary_startup)
adr lr, __enable_mmu @ return address
add pc, r10, #PROCINFO_INITFUNC @ initialise processor
@ (return control reg)
+ENDPROC(secondary_startup)
/*
* r6 = &secondary_data
@@ -136,6 +136,7 @@ ENTRY(__secondary_switched)
ldr sp, [r7, #4] @ get secondary_data.stack
mov fp, #0
b secondary_start_kernel
+ENDPROC(__secondary_switched)
.type __secondary_data, %object
__secondary_data:
@@ -151,7 +152,6 @@ __secondary_data:
* this is just loading the page table pointer and domain access
* registers.
*/
- .type __enable_mmu, %function
__enable_mmu:
#ifdef CONFIG_ALIGNMENT_TRAP
orr r0, r0, #CR_A
@@ -174,6 +174,7 @@ __enable_mmu:
mcr p15, 0, r5, c3, c0, 0 @ load domain access register
mcr p15, 0, r4, c2, c0, 0 @ load page table pointer
b __turn_mmu_on
+ENDPROC(__enable_mmu)
/*
* Enable the MMU. This completely changes the structure of the visible
@@ -187,7 +188,6 @@ __enable_mmu:
* other registers depend on the function called upon completion
*/
.align 5
- .type __turn_mmu_on, %function
__turn_mmu_on:
mov r0, r0
mcr p15, 0, r0, c1, c0, 0 @ write control reg
@@ -195,7 +195,7 @@ __turn_mmu_on:
mov r3, r3
mov r3, r3
mov pc, r13
-
+ENDPROC(__turn_mmu_on)
/*
@@ -211,7 +211,6 @@ __turn_mmu_on:
* r0, r3, r6, r7 corrupted
* r4 = physical page table address
*/
- .type __create_page_tables, %function
__create_page_tables:
pgtbl r4 @ page table address
@@ -325,6 +324,7 @@ __create_page_tables:
#endif
#endif
mov pc, lr
+ENDPROC(__create_page_tables)
.ltorg
#include "head-common.S"
diff --git a/arch/arm/kernel/init_task.c b/arch/arm/kernel/init_task.c
index 8b8c9d38a76..0bbf8062539 100644
--- a/arch/arm/kernel/init_task.c
+++ b/arch/arm/kernel/init_task.c
@@ -8,8 +8,8 @@
#include <linux/init.h>
#include <linux/init_task.h>
#include <linux/mqueue.h>
+#include <linux/uaccess.h>
-#include <asm/uaccess.h>
#include <asm/pgtable.h>
static struct fs_struct init_fs = INIT_FS;
diff --git a/arch/arm/kernel/io.c b/arch/arm/kernel/io.c
index 1f6822dfae7..f4470307edb 100644
--- a/arch/arm/kernel/io.c
+++ b/arch/arm/kernel/io.c
@@ -1,7 +1,6 @@
#include <linux/module.h>
#include <linux/types.h>
-
-#include <asm/io.h>
+#include <linux/io.h>
/*
* Copy data from IO memory space to "real" memory space.
diff --git a/arch/arm/kernel/kprobes-decode.c b/arch/arm/kernel/kprobes-decode.c
index b4565bb133c..da1f94906a4 100644
--- a/arch/arm/kernel/kprobes-decode.c
+++ b/arch/arm/kernel/kprobes-decode.c
@@ -488,7 +488,7 @@ static void __kprobes simulate_ldm1stm1(struct kprobe *p, struct pt_regs *regs)
if (!ubit)
addr -= reg_count;
- addr += (!pbit ^ !ubit);
+ addr += (!pbit == !ubit);
reg_bit_vector = insn & 0xffff;
while (reg_bit_vector) {
@@ -503,7 +503,7 @@ static void __kprobes simulate_ldm1stm1(struct kprobe *p, struct pt_regs *regs)
if (wbit) {
if (!ubit)
addr -= reg_count;
- addr -= (!pbit ^ !ubit);
+ addr -= (!pbit == !ubit);
regs->uregs[rn] = (long)addr;
}
}
diff --git a/arch/arm/kernel/kprobes.c b/arch/arm/kernel/kprobes.c
index d28513f14d0..3f9abe0e9af 100644
--- a/arch/arm/kernel/kprobes.c
+++ b/arch/arm/kernel/kprobes.c
@@ -200,9 +200,12 @@ void __kprobes kprobe_handler(struct pt_regs *regs)
}
}
-int kprobe_trap_handler(struct pt_regs *regs, unsigned int instr)
+static int __kprobes kprobe_trap_handler(struct pt_regs *regs, unsigned int instr)
{
+ unsigned long flags;
+ local_irq_save(flags);
kprobe_handler(regs);
+ local_irq_restore(flags);
return 0;
}
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index fae5beb3c3d..440dc62cdc3 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -6,10 +6,10 @@
#include <linux/kexec.h>
#include <linux/delay.h>
#include <linux/reboot.h>
+#include <linux/io.h>
#include <asm/pgtable.h>
#include <asm/pgalloc.h>
#include <asm/mmu_context.h>
-#include <asm/io.h>
#include <asm/cacheflush.h>
#include <asm/mach-types.h>
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 3fd88233706..d3ea6fa8952 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -28,12 +28,12 @@
#include <linux/pm.h>
#include <linux/tick.h>
#include <linux/utsname.h>
+#include <linux/uaccess.h>
#include <asm/leds.h>
#include <asm/processor.h>
#include <asm/system.h>
#include <asm/thread_notify.h>
-#include <asm/uaccess.h>
#include <asm/mach/time.h>
static const char *processor_modes[] = {
@@ -267,35 +267,6 @@ void show_regs(struct pt_regs * regs)
__backtrace();
}
-void show_fpregs(struct user_fp *regs)
-{
- int i;
-
- for (i = 0; i < 8; i++) {
- unsigned long *p;
- char type;
-
- p = (unsigned long *)(regs->fpregs + i);
-
- switch (regs->ftype[i]) {
- case 1: type = 'f'; break;
- case 2: type = 'd'; break;
- case 3: type = 'e'; break;
- default: type = '?'; break;
- }
- if (regs->init_flag)
- type = '?';
-
- printk(" f%d(%c): %08lx %08lx %08lx%c",
- i, type, p[0], p[1], p[2], i & 1 ? '\n' : ' ');
- }
-
-
- printk("FPSR: %08lx FPCR: %08lx\n",
- (unsigned long)regs->fpsr,
- (unsigned long)regs->fpcr);
-}
-
/*
* Free current thread data structures etc..
*/
@@ -414,7 +385,7 @@ unsigned long get_wchan(struct task_struct *p)
do {
if (fp < stack_start || fp > stack_end)
return 0;
- lr = pc_pointer (((unsigned long *)fp)[-1]);
+ lr = ((unsigned long *)fp)[-1];
if (!in_sched_functions(lr))
return lr;
fp = *(unsigned long *) (fp - 12);
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index 4b05dc5c102..df653ea5925 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -18,8 +18,8 @@
#include <linux/security.h>
#include <linux/init.h>
#include <linux/signal.h>
+#include <linux/uaccess.h>
-#include <asm/uaccess.h>
#include <asm/pgtable.h>
#include <asm/system.h>
#include <asm/traps.h>
@@ -126,7 +126,7 @@ ptrace_getrn(struct task_struct *child, unsigned long insn)
val = get_user_reg(child, reg);
if (reg == 15)
- val = pc_pointer(val + 8);
+ val += 8;
return val;
}
@@ -278,8 +278,7 @@ get_branch_address(struct task_struct *child, unsigned long pc, unsigned long in
else
base -= aluop2;
}
- if (read_u32(child, base, &alt) == 0)
- alt = pc_pointer(alt);
+ read_u32(child, base, &alt);
}
break;
@@ -305,8 +304,7 @@ get_branch_address(struct task_struct *child, unsigned long pc, unsigned long in
base = ptrace_getrn(child, insn);
- if (read_u32(child, base + nr_regs, &alt) == 0)
- alt = pc_pointer(alt);
+ read_u32(child, base + nr_regs, &alt);
break;
}
break;
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 2ca7038b67a..1f1eecca7f5 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -26,11 +26,13 @@
#include <linux/fs.h>
#include <asm/cpu.h>
+#include <asm/cputype.h>
#include <asm/elf.h>
#include <asm/procinfo.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/cacheflush.h>
+#include <asm/cachetype.h>
#include <asm/tlbflush.h>
#include <asm/mach/arch.h>
@@ -59,13 +61,14 @@ __setup("fpe=", fpe_setup);
extern void paging_init(struct meminfo *, struct machine_desc *desc);
extern void reboot_setup(char *str);
-extern int root_mountflags;
-extern void _stext, _text, _etext, __data_start, _edata, _end;
+extern void _text, _etext, __data_start, _edata, _end;
unsigned int processor_id;
EXPORT_SYMBOL(processor_id);
unsigned int __machine_arch_type;
EXPORT_SYMBOL(__machine_arch_type);
+unsigned int cacheid;
+EXPORT_SYMBOL(cacheid);
unsigned int __atags_pointer __initdata;
@@ -81,8 +84,6 @@ EXPORT_SYMBOL(system_serial_high);
unsigned int elf_hwcap;
EXPORT_SYMBOL(elf_hwcap);
-unsigned long __initdata vmalloc_reserve = 128 << 20;
-
#ifdef MULTI_CPU
struct processor processor;
@@ -111,9 +112,6 @@ static struct stack stacks[NR_CPUS];
char elf_platform[ELF_PLATFORM_SIZE];
EXPORT_SYMBOL(elf_platform);
-unsigned long phys_initrd_start __initdata = 0;
-unsigned long phys_initrd_size __initdata = 0;
-
static struct meminfo meminfo __initdata = { 0, };
static const char *cpu_name;
static const char *machine_name;
@@ -178,63 +176,6 @@ static struct resource io_res[] = {
#define lp1 io_res[1]
#define lp2 io_res[2]
-static const char *cache_types[16] = {
- "write-through",
- "write-back",
- "write-back",
- "undefined 3",
- "undefined 4",
- "undefined 5",
- "write-back",
- "write-back",
- "undefined 8",
- "undefined 9",
- "undefined 10",
- "undefined 11",
- "undefined 12",
- "undefined 13",
- "write-back",
- "undefined 15",
-};
-
-static const char *cache_clean[16] = {
- "not required",
- "read-block",
- "cp15 c7 ops",
- "undefined 3",
- "undefined 4",
- "undefined 5",
- "cp15 c7 ops",
- "cp15 c7 ops",
- "undefined 8",
- "undefined 9",
- "undefined 10",
- "undefined 11",
- "undefined 12",
- "undefined 13",
- "cp15 c7 ops",
- "undefined 15",
-};
-
-static const char *cache_lockdown[16] = {
- "not supported",
- "not supported",
- "not supported",
- "undefined 3",
- "undefined 4",
- "undefined 5",
- "format A",
- "format B",
- "undefined 8",
- "undefined 9",
- "undefined 10",
- "undefined 11",
- "undefined 12",
- "undefined 13",
- "format C",
- "undefined 15",
-};
-
static const char *proc_arch[] = {
"undefined/unknown",
"3",
@@ -255,61 +196,19 @@ static const char *proc_arch[] = {
"?(17)",
};
-#define CACHE_TYPE(x) (((x) >> 25) & 15)
-#define CACHE_S(x) ((x) & (1 << 24))
-#define CACHE_DSIZE(x) (((x) >> 12) & 4095) /* only if S=1 */
-#define CACHE_ISIZE(x) ((x) & 4095)
-
-#define CACHE_SIZE(y) (((y) >> 6) & 7)
-#define CACHE_ASSOC(y) (((y) >> 3) & 7)
-#define CACHE_M(y) ((y) & (1 << 2))
-#define CACHE_LINE(y) ((y) & 3)
-
-static inline void dump_cache(const char *prefix, int cpu, unsigned int cache)
-{
- unsigned int mult = 2 + (CACHE_M(cache) ? 1 : 0);
-
- printk("CPU%u: %s: %d bytes, associativity %d, %d byte lines, %d sets\n",
- cpu, prefix,
- mult << (8 + CACHE_SIZE(cache)),
- (mult << CACHE_ASSOC(cache)) >> 1,
- 8 << CACHE_LINE(cache),
- 1 << (6 + CACHE_SIZE(cache) - CACHE_ASSOC(cache) -
- CACHE_LINE(cache)));
-}
-
-static void __init dump_cpu_info(int cpu)
-{
- unsigned int info = read_cpuid(CPUID_CACHETYPE);
-
- if (info != processor_id) {
- printk("CPU%u: D %s %s cache\n", cpu, cache_is_vivt() ? "VIVT" : "VIPT",
- cache_types[CACHE_TYPE(info)]);
- if (CACHE_S(info)) {
- dump_cache("I cache", cpu, CACHE_ISIZE(info));
- dump_cache("D cache", cpu, CACHE_DSIZE(info));
- } else {
- dump_cache("cache", cpu, CACHE_ISIZE(info));
- }
- }
-
- if (arch_is_coherent())
- printk("Cache coherency enabled\n");
-}
-
int cpu_architecture(void)
{
int cpu_arch;
- if ((processor_id & 0x0008f000) == 0) {
+ if ((read_cpuid_id() & 0x0008f000) == 0) {
cpu_arch = CPU_ARCH_UNKNOWN;
- } else if ((processor_id & 0x0008f000) == 0x00007000) {
- cpu_arch = (processor_id & (1 << 23)) ? CPU_ARCH_ARMv4T : CPU_ARCH_ARMv3;
- } else if ((processor_id & 0x00080000) == 0x00000000) {
- cpu_arch = (processor_id >> 16) & 7;
+ } else if ((read_cpuid_id() & 0x0008f000) == 0x00007000) {
+ cpu_arch = (read_cpuid_id() & (1 << 23)) ? CPU_ARCH_ARMv4T : CPU_ARCH_ARMv3;
+ } else if ((read_cpuid_id() & 0x00080000) == 0x00000000) {
+ cpu_arch = (read_cpuid_id() >> 16) & 7;
if (cpu_arch)
cpu_arch += CPU_ARCH_ARMv3;
- } else if ((processor_id & 0x000f0000) == 0x000f0000) {
+ } else if ((read_cpuid_id() & 0x000f0000) == 0x000f0000) {
unsigned int mmfr0;
/* Revised CPUID format. Read the Memory Model Feature
@@ -330,6 +229,34 @@ int cpu_architecture(void)
return cpu_arch;
}
+static void __init cacheid_init(void)
+{
+ unsigned int cachetype = read_cpuid_cachetype();
+ unsigned int arch = cpu_architecture();
+
+ if (arch >= CPU_ARCH_ARMv7) {
+ cacheid = CACHEID_VIPT_NONALIASING;
+ if ((cachetype & (3 << 14)) == 1 << 14)
+ cacheid |= CACHEID_ASID_TAGGED;
+ } else if (arch >= CPU_ARCH_ARMv6) {
+ if (cachetype & (1 << 23))
+ cacheid = CACHEID_VIPT_ALIASING;
+ else
+ cacheid = CACHEID_VIPT_NONALIASING;
+ } else {
+ cacheid = CACHEID_VIVT;
+ }
+
+ printk("CPU: %s data cache, %s instruction cache\n",
+ cache_is_vivt() ? "VIVT" :
+ cache_is_vipt_aliasing() ? "VIPT aliasing" :
+ cache_is_vipt_nonaliasing() ? "VIPT nonaliasing" : "unknown",
+ cache_is_vivt() ? "VIVT" :
+ icache_is_vivt_asid_tagged() ? "VIVT ASID tagged" :
+ cache_is_vipt_aliasing() ? "VIPT aliasing" :
+ cache_is_vipt_nonaliasing() ? "VIPT nonaliasing" : "unknown");
+}
+
/*
* These functions re-use the assembly code in head.S, which
* already provide the required functionality.
@@ -346,10 +273,10 @@ static void __init setup_processor(void)
* types. The linker builds this table for us from the
* entries in arch/arm/mm/proc-*.S
*/
- list = lookup_processor_type(processor_id);
+ list = lookup_processor_type(read_cpuid_id());
if (!list) {
printk("CPU configuration botched (ID %08x), unable "
- "to continue.\n", processor_id);
+ "to continue.\n", read_cpuid_id());
while (1);
}
@@ -369,7 +296,7 @@ static void __init setup_processor(void)
#endif
printk("CPU: %s [%08x] revision %d (ARMv%s), cr=%08lx\n",
- cpu_name, processor_id, (int)processor_id & 15,
+ cpu_name, read_cpuid_id(), read_cpuid_id() & 15,
proc_arch[cpu_architecture()], cr_alignment);
sprintf(init_utsname()->machine, "%s%c", list->arch_name, ENDIANNESS);
@@ -379,14 +306,14 @@ static void __init setup_processor(void)
elf_hwcap &= ~HWCAP_THUMB;
#endif
+ cacheid_init();
cpu_proc_init();
}
/*
* cpu_init - initialise one CPU.
*
- * cpu_init dumps the cache information, initialises SMP specific
- * information, and sets up the per-CPU stacks.
+ * cpu_init sets up the per-CPU stacks.
*/
void cpu_init(void)
{
@@ -398,9 +325,6 @@ void cpu_init(void)
BUG();
}
- if (system_state == SYSTEM_BOOTING)
- dump_cpu_info(cpu);
-
/*
* setup stacks for re-entrant exception handlers
*/
@@ -443,20 +367,6 @@ static struct machine_desc * __init setup_machine(unsigned int nr)
return list;
}
-static void __init early_initrd(char **p)
-{
- unsigned long start, size;
-
- start = memparse(*p, p);
- if (**p == ',') {
- size = memparse((*p) + 1, p);
-
- phys_initrd_start = start;
- phys_initrd_size = size;
- }
-}
-__early_param("initrd=", early_initrd);
-
static void __init arm_add_memory(unsigned long start, unsigned long size)
{
struct membank *bank;
@@ -503,17 +413,6 @@ static void __init early_mem(char **p)
__early_param("mem=", early_mem);
/*
- * vmalloc=size forces the vmalloc area to be exactly 'size'
- * bytes. This can be used to increase (or decrease) the vmalloc
- * area - the default is 128m.
- */
-static void __init early_vmalloc(char **arg)
-{
- vmalloc_reserve = memparse(*arg, arg);
-}
-__early_param("vmalloc=", early_vmalloc);
-
-/*
* Initial parsing of the command line.
*/
static void __init parse_cmdline(char **cmdline_p, char *from)
@@ -527,12 +426,12 @@ static void __init parse_cmdline(char **cmdline_p, char *from)
struct early_params *p;
for (p = &__early_begin; p < &__early_end; p++) {
- int len = strlen(p->arg);
+ int arglen = strlen(p->arg);
- if (memcmp(from, p->arg, len) == 0) {
+ if (memcmp(from, p->arg, arglen) == 0) {
if (to != command_line)
to -= 1;
- from += len;
+ from += arglen;
p->fn(&from);
while (*from != ' ' && *from != '\0')
@@ -579,18 +478,13 @@ request_standard_resources(struct meminfo *mi, struct machine_desc *mdesc)
kernel_data.end = virt_to_phys(&_end - 1);
for (i = 0; i < mi->nr_banks; i++) {
- unsigned long virt_start, virt_end;
-
if (mi->bank[i].size == 0)
continue;
- virt_start = __phys_to_virt(mi->bank[i].start);
- virt_end = virt_start + mi->bank[i].size - 1;
-
res = alloc_bootmem_low(sizeof(*res));
res->name = "System RAM";
- res->start = __virt_to_phys(virt_start);
- res->end = __virt_to_phys(virt_end);
+ res->start = mi->bank[i].start;
+ res->end = mi->bank[i].start + mi->bank[i].size - 1;
res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
request_resource(&iomem_resource, res);
@@ -694,26 +588,6 @@ static int __init parse_tag_ramdisk(const struct tag *tag)
__tagtable(ATAG_RAMDISK, parse_tag_ramdisk);
-static int __init parse_tag_initrd(const struct tag *tag)
-{
- printk(KERN_WARNING "ATAG_INITRD is deprecated; "
- "please update your bootloader.\n");
- phys_initrd_start = __virt_to_phys(tag->u.initrd.start);
- phys_initrd_size = tag->u.initrd.size;
- return 0;
-}
-
-__tagtable(ATAG_INITRD, parse_tag_initrd);
-
-static int __init parse_tag_initrd2(const struct tag *tag)
-{
- phys_initrd_start = tag->u.initrd.start;
- phys_initrd_size = tag->u.initrd.size;
- return 0;
-}
-
-__tagtable(ATAG_INITRD2, parse_tag_initrd2);
-
static int __init parse_tag_serialnr(const struct tag *tag)
{
system_serial_low = tag->u.serialnr.low;
@@ -901,28 +775,12 @@ static const char *hwcap_str[] = {
NULL
};
-static void
-c_show_cache(struct seq_file *m, const char *type, unsigned int cache)
-{
- unsigned int mult = 2 + (CACHE_M(cache) ? 1 : 0);
-
- seq_printf(m, "%s size\t\t: %d\n"
- "%s assoc\t\t: %d\n"
- "%s line length\t: %d\n"
- "%s sets\t\t: %d\n",
- type, mult << (8 + CACHE_SIZE(cache)),
- type, (mult << CACHE_ASSOC(cache)) >> 1,
- type, 8 << CACHE_LINE(cache),
- type, 1 << (6 + CACHE_SIZE(cache) - CACHE_ASSOC(cache) -
- CACHE_LINE(cache)));
-}
-
static int c_show(struct seq_file *m, void *v)
{
int i;
seq_printf(m, "Processor\t: %s rev %d (%s)\n",
- cpu_name, (int)processor_id & 15, elf_platform);
+ cpu_name, read_cpuid_id() & 15, elf_platform);
#if defined(CONFIG_SMP)
for_each_online_cpu(i) {
@@ -949,47 +807,26 @@ static int c_show(struct seq_file *m, void *v)
if (elf_hwcap & (1 << i))
seq_printf(m, "%s ", hwcap_str[i]);
- seq_printf(m, "\nCPU implementer\t: 0x%02x\n", processor_id >> 24);
+ seq_printf(m, "\nCPU implementer\t: 0x%02x\n", read_cpuid_id() >> 24);
seq_printf(m, "CPU architecture: %s\n", proc_arch[cpu_architecture()]);
- if ((processor_id & 0x0008f000) == 0x00000000) {
+ if ((read_cpuid_id() & 0x0008f000) == 0x00000000) {
/* pre-ARM7 */
- seq_printf(m, "CPU part\t: %07x\n", processor_id >> 4);
+ seq_printf(m, "CPU part\t: %07x\n", read_cpuid_id() >> 4);
} else {
- if ((processor_id & 0x0008f000) == 0x00007000) {
+ if ((read_cpuid_id() & 0x0008f000) == 0x00007000) {
/* ARM7 */
seq_printf(m, "CPU variant\t: 0x%02x\n",
- (processor_id >> 16) & 127);
+ (read_cpuid_id() >> 16) & 127);
} else {
/* post-ARM7 */
seq_printf(m, "CPU variant\t: 0x%x\n",
- (processor_id >> 20) & 15);
+ (read_cpuid_id() >> 20) & 15);
}
seq_printf(m, "CPU part\t: 0x%03x\n",
- (processor_id >> 4) & 0xfff);
- }
- seq_printf(m, "CPU revision\t: %d\n", processor_id & 15);
-
- {
- unsigned int cache_info = read_cpuid(CPUID_CACHETYPE);
- if (cache_info != processor_id) {
- seq_printf(m, "Cache type\t: %s\n"
- "Cache clean\t: %s\n"
- "Cache lockdown\t: %s\n"
- "Cache format\t: %s\n",
- cache_types[CACHE_TYPE(cache_info)],
- cache_clean[CACHE_TYPE(cache_info)],
- cache_lockdown[CACHE_TYPE(cache_info)],
- CACHE_S(cache_info) ? "Harvard" : "Unified");
-
- if (CACHE_S(cache_info)) {
- c_show_cache(m, "I", CACHE_ISIZE(cache_info));
- c_show_cache(m, "D", CACHE_DSIZE(cache_info));
- } else {
- c_show_cache(m, "Cache", CACHE_ISIZE(cache_info));
- }
- }
+ (read_cpuid_id() >> 4) & 0xfff);
}
+ seq_printf(m, "CPU revision\t: %d\n", read_cpuid_id() & 15);
seq_puts(m, "\n");
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
index ef2f86a5e78..80b8b5c7e07 100644
--- a/arch/arm/kernel/signal.c
+++ b/arch/arm/kernel/signal.c
@@ -11,11 +11,11 @@
#include <linux/signal.h>
#include <linux/personality.h>
#include <linux/freezer.h>
+#include <linux/uaccess.h>
#include <asm/elf.h>
#include <asm/cacheflush.h>
#include <asm/ucontext.h>
-#include <asm/uaccess.h>
#include <asm/unistd.h>
#include "ptrace.h"
diff --git a/arch/arm/kernel/sys_arm.c b/arch/arm/kernel/sys_arm.c
index 0128687ba0f..b3ec641b5cf 100644
--- a/arch/arm/kernel/sys_arm.c
+++ b/arch/arm/kernel/sys_arm.c
@@ -27,8 +27,7 @@
#include <linux/file.h>
#include <linux/utsname.h>
#include <linux/ipc.h>
-
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
extern unsigned long do_mremap(unsigned long addr, unsigned long old_len,
unsigned long new_len, unsigned long flags,
diff --git a/arch/arm/kernel/sys_oabi-compat.c b/arch/arm/kernel/sys_oabi-compat.c
index 96ab5f52949..42623db7f87 100644
--- a/arch/arm/kernel/sys_oabi-compat.c
+++ b/arch/arm/kernel/sys_oabi-compat.c
@@ -82,7 +82,7 @@
#include <linux/socket.h>
#include <linux/net.h>
#include <linux/ipc.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
struct oldabi_stat64 {
unsigned long long st_dev;
diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c
index 368d171754c..c68b44aa88d 100644
--- a/arch/arm/kernel/time.c
+++ b/arch/arm/kernel/time.c
@@ -59,7 +59,7 @@ unsigned long profile_pc(struct pt_regs *regs)
if (in_lock_functions(pc)) {
fp = regs->ARM_fp;
- pc = pc_pointer(((unsigned long *)fp)[-1]);
+ pc = ((unsigned long *)fp)[-1];
}
return pc;
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 872f1f8fbb5..57e6874d0b8 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -19,15 +19,13 @@
#include <linux/kallsyms.h>
#include <linux/delay.h>
#include <linux/init.h>
-#include <linux/kprobes.h>
+#include <linux/uaccess.h>
#include <asm/atomic.h>
#include <asm/cacheflush.h>
#include <asm/system.h>
-#include <asm/uaccess.h>
#include <asm/unistd.h>
#include <asm/traps.h>
-#include <asm/io.h>
#include "ptrace.h"
#include "signal.h"
@@ -69,7 +67,8 @@ void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long
*/
static int verify_stack(unsigned long sp)
{
- if (sp < PAGE_OFFSET || (sp > (unsigned long)high_memory && high_memory != 0))
+ if (sp < PAGE_OFFSET ||
+ (sp > (unsigned long)high_memory && high_memory != NULL))
return -EFAULT;
return 0;
@@ -328,17 +327,6 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs)
get_user(instr, (u32 __user *)pc);
}
-#ifdef CONFIG_KPROBES
- /*
- * It is possible to have recursive kprobes, so we can't call
- * the kprobe trap handler with the undef_lock held.
- */
- if (instr == KPROBE_BREAKPOINT_INSTRUCTION && !user_mode(regs)) {
- kprobe_trap_handler(regs, instr);
- return;
- }
-#endif
-
if (call_undef_hook(regs, instr) == 0)
return;
diff --git a/arch/arm/kernel/xscale-cp0.c b/arch/arm/kernel/xscale-cp0.c
index 180000bfdc8..17127db906f 100644
--- a/arch/arm/kernel/xscale-cp0.c
+++ b/arch/arm/kernel/xscale-cp0.c
@@ -14,8 +14,8 @@
#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/init.h>
+#include <linux/io.h>
#include <asm/thread_notify.h>
-#include <asm/io.h>
static inline void dsp_save_state(u32 *state)
{
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