Commit 93ed3970 authored by Catalin Marinas's avatar Catalin Marinas Committed by Russell King

[ARM] 5227/1: Add the ENDPROC declarations to the .S files

This declaration specifies the "function" type and size for various
assembly functions, mainly needed for generating the correct branch
instructions in Thumb-2.
Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 8d5796d2
......@@ -421,6 +421,7 @@ __setup_mmu: sub r3, r4, #16384 @ Page directory size
add r1, r1, #1048576
str r1, [r0]
mov pc, lr
ENDPROC(__setup_mmu)
__armv4_mmu_cache_on:
mov r12, lr
......
......@@ -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
......@@ -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
......
......@@ -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
......
......@@ -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)
......@@ -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"
......@@ -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"
......@@ -47,3 +47,5 @@ ENTRY(__aeabi_llsl)
mov al, al, lsl r2
mov pc, lr
ENDPROC(__ashldi3)
ENDPROC(__aeabi_llsl)
......@@ -47,3 +47,5 @@ ENTRY(__aeabi_lasr)
mov ah, ah, asr r2
mov pc, lr
ENDPROC(__ashrdi3)
ENDPROC(__aeabi_lasr)
......@@ -30,6 +30,8 @@ ENTRY(c_backtrace)
#if !defined(CONFIG_FRAME_POINTER) || !defined(CONFIG_PRINTK)
mov pc, lr
ENDPROC(__backtrace)
ENDPROC(c_backtrace)
#else
stmfd sp!, {r4 - r8, lr} @ Save an extra register so we have a location...
movs frame, r0 @ if frame pointer is zero
......@@ -103,6 +105,8 @@ for_each_frame: tst frame, mask @ Check for address exceptions
mov r1, frame
bl printk
no_frame: ldmfd sp!, {r4 - r8, pc}
ENDPROC(__backtrace)
ENDPROC(c_backtrace)
.section __ex_table,"a"
.align 3
......
......@@ -19,3 +19,5 @@ ENTRY(_change_bit_be)
eor r0, r0, #0x18 @ big endian byte ordering
ENTRY(_change_bit_le)
bitop eor
ENDPROC(_change_bit_be)
ENDPROC(_change_bit_le)
......@@ -44,6 +44,7 @@ USER( strnebt r2, [r0], #1)
USER( strnebt r2, [r0], #1)
mov r0, #0
ldmfd sp!, {r1, pc}
ENDPROC(__clear_user)
.section .fixup,"ax"
.align 0
......
......@@ -20,3 +20,5 @@ ENTRY(_clear_bit_be)
eor r0, r0, #0x18 @ big endian byte ordering
ENTRY(_clear_bit_le)
bitop bic
ENDPROC(_clear_bit_be)
ENDPROC(_clear_bit_le)
......@@ -87,6 +87,8 @@ ENTRY(__copy_from_user)
#include "copy_template.S"
ENDPROC(__copy_from_user)
.section .fixup,"ax"
.align 0
copy_abort_preamble
......
......@@ -44,3 +44,4 @@ ENTRY(copy_page)
PLD( ldmeqia r1!, {r3, r4, ip, lr} )
PLD( beq 2b )
ldmfd sp!, {r4, pc} @ 3
ENDPROC(copy_page)
......@@ -90,6 +90,8 @@ ENTRY(__copy_to_user)
#include "copy_template.S"
ENDPROC(__copy_to_user)
.section .fixup,"ax"
.align 0
copy_abort_preamble
......
......@@ -29,4 +29,5 @@ ENTRY(__csum_ipv6_magic)
adcs r0, r0, r2
adcs r0, r0, #0
ldmfd sp!, {pc}
ENDPROC(__csum_ipv6_magic)
......@@ -139,3 +139,4 @@ ENTRY(csum_partial)
tst len, #0x1c
bne 4b
b .Lless4
ENDPROC(csum_partial)
......@@ -50,5 +50,6 @@
.endm
#define FN_ENTRY ENTRY(csum_partial_copy_nocheck)
#define FN_EXIT ENDPROC(csum_partial_copy_nocheck)
#include "csumpartialcopygeneric.S"
......@@ -329,3 +329,4 @@ FN_ENTRY
adcs sum, sum, r4, push #24
mov r5, r4, get_byte_1
b .Lexit
FN_EXIT
......@@ -82,6 +82,7 @@
*/
#define FN_ENTRY ENTRY(csum_partial_copy_from_user)
#define FN_EXIT ENDPROC(csum_partial_copy_from_user)
#include "csumpartialcopygeneric.S"
......
......@@ -60,3 +60,6 @@ ENTRY(__delay)
#endif
bhi __delay
mov pc, lr
ENDPROC(__udelay)
ENDPROC(__const_udelay)
ENDPROC(__delay)
......@@ -198,3 +198,4 @@ ENTRY(__do_div64)
mov xh, #0
ldr pc, [sp], #8
ENDPROC(__do_div64)
......@@ -33,6 +33,7 @@ ENTRY(_find_first_zero_bit_le)
blo 1b
3: mov r0, r1 @ no free bits
mov pc, lr
ENDPROC(_find_first_zero_bit_le)
/*
* Purpose : Find next 'zero' bit
......@@ -50,6 +51,7 @@ ENTRY(_find_next_zero_bit_le)
orr r2, r2, #7 @ if zero, then no bits here
add r2, r2, #1 @ align bit pointer
b 2b @ loop for next bit
ENDPROC(_find_next_zero_bit_le)
/*
* Purpose : Find a 'one' bit
......@@ -67,6 +69,7 @@ ENTRY(_find_first_bit_le)
blo 1b
3: mov r0, r1 @ no free bits
mov pc, lr
ENDPROC(_find_first_bit_le)
/*
* Purpose : Find next 'one' bit
......@@ -83,6 +86,7 @@ ENTRY(_find_next_bit_le)
orr r2, r2, #7 @ if zero, then no bits here
add r2, r2, #1 @ align bit pointer
b 2b @ loop for next bit
ENDPROC(_find_next_bit_le)
#ifdef __ARMEB__
......@@ -99,6 +103,7 @@ ENTRY(_find_first_zero_bit_be)
blo 1b
3: mov r0, r1 @ no free bits
mov pc, lr
ENDPROC(_find_first_zero_bit_be)
ENTRY(_find_next_zero_bit_be)
teq r1, #0
......@@ -113,6 +118,7 @@ ENTRY(_find_next_zero_bit_be)
orr r2, r2, #7 @ if zero, then no bits here
add r2, r2, #1 @ align bit pointer
b 2b @ loop for next bit
ENDPROC(_find_next_zero_bit_be)
ENTRY(_find_first_bit_be)
teq r1, #0
......@@ -127,6 +133,7 @@ ENTRY(_find_first_bit_be)
blo 1b
3: mov r0, r1 @ no free bits
mov pc, lr
ENDPROC(_find_first_bit_be)
ENTRY(_find_next_bit_be)
teq r1, #0
......@@ -140,6 +147,7 @@ ENTRY(_find_next_bit_be)
orr r2, r2, #7 @ if zero, then no bits here
add r2, r2, #1 @ align bit pointer
b 2b @ loop for next bit
ENDPROC(_find_next_bit_be)
#endif
......
......@@ -26,16 +26,16 @@
* Note that ADDR_LIMIT is either 0 or 0xc0000000.
* Note also that it is intended that __get_user_bad is not global.
*/
#include <linux/linkage.h>
#include <asm/errno.h>
.global __get_user_1
__get_user_1:
ENTRY(__get_user_1)
1: ldrbt r2, [r0]
mov r0, #0
mov pc, lr
ENDPROC(__get_user_1)
.global __get_user_2
__get_user_2:
ENTRY(__get_user_2)
2: ldrbt r2, [r0], #1
3: ldrbt r3, [r0]
#ifndef __ARMEB__
......@@ -45,17 +45,19 @@ __get_user_2:
#endif
mov r0, #0
mov pc, lr
ENDPROC(__get_user_2)
.global __get_user_4
__get_user_4:
ENTRY(__get_user_4)
4: ldrt r2, [r0]
mov r0, #0
mov pc, lr
ENDPROC(__get_user_4)
__get_user_bad:
mov r2, #0
mov r0, #-EFAULT
mov pc, lr
ENDPROC(__get_user_bad)
.section __ex_table, "a"
.long 1b, __get_user_bad
......
......@@ -120,3 +120,4 @@ ENTRY(__raw_readsb)
strgtb r3, [r1]
ldmfd sp!, {r4 - r6, pc}
ENDPROC(__raw_readsb)
......@@ -76,3 +76,4 @@ ENTRY(__raw_readsl)
8: mov r3, ip, get_byte_0
strb r3, [r1, #0]
mov pc, lr
ENDPROC(__raw_readsl)
......@@ -128,3 +128,4 @@ ENTRY(__raw_readsw)
_BE_ONLY_( movne ip, ip, lsr #24 )
strneb ip, [r1]
ldmfd sp!, {r4, pc}
ENDPROC(__raw_readsw)
......@@ -91,3 +91,4 @@ ENTRY(__raw_writesb)
strgtb r3, [r0]
ldmfd sp!, {r4, r5, pc}
ENDPROC(__raw_writesb)
......@@ -64,3 +64,4 @@ ENTRY(__raw_writesl)
str ip, [r0]
bne 6b
mov pc, lr
ENDPROC(__raw_writesl)
......@@ -94,3 +94,4 @@ ENTRY(__raw_writesw)
3: movne ip, r3, lsr #8
strneh ip, [r0]
mov pc, lr
ENDPROC(__raw_writesw)
......@@ -230,6 +230,8 @@ ENTRY(__aeabi_uidiv)
mov r0, r0, lsr r2
mov pc, lr
ENDPROC(__udivsi3)
ENDPROC(__aeabi_uidiv)
ENTRY(__umodsi3)
......@@ -245,6 +247,7 @@ ENTRY(__umodsi3)
mov pc, lr
ENDPROC(__umodsi3)
ENTRY(__divsi3)
ENTRY(__aeabi_idiv)
......@@ -284,6 +287,8 @@ ENTRY(__aeabi_idiv)
rsbmi r0, r0, #0
mov pc, lr
ENDPROC(__divsi3)
ENDPROC(__aeabi_idiv)
ENTRY(__modsi3)
......@@ -305,6 +310,8 @@ ENTRY(__modsi3)
rsbmi r0, r0, #0
mov pc, lr
ENDPROC(__modsi3)
#ifdef CONFIG_AEABI
ENTRY(__aeabi_uidivmod)
......@@ -316,6 +323,8 @@ ENTRY(__aeabi_uidivmod)
sub r1, r1, r3
mov pc, lr
ENDPROC(__aeabi_uidivmod)
ENTRY(__aeabi_idivmod)
stmfd sp!, {r0, r1, ip, lr}
......@@ -325,6 +334,8 @@ ENTRY(__aeabi_idivmod)
sub r1, r1, r3
mov pc, lr
ENDPROC(__aeabi_idivmod)
#endif
Ldiv0:
......
......@@ -47,3 +47,5 @@ ENTRY(__aeabi_llsr)
mov ah, ah, lsr r2
mov pc, lr
ENDPROC(__lshrdi3)
ENDPROC(__aeabi_llsr)
......@@ -23,3 +23,4 @@ ENTRY(memchr)
sub r0, r0, #1
2: movne r0, #0
mov pc, lr
ENDPROC(memchr)
......@@ -57,3 +57,4 @@ ENTRY(memcpy)
#include "copy_template.S"
ENDPROC(memcpy)
......@@ -196,3 +196,4 @@ ENTRY(memmove)
18: backward_copy_shift push=24 pull=8
ENDPROC(memmove)
......@@ -124,3 +124,4 @@ ENTRY(memset)
tst r2, #1
strneb r1, [r0], #1
mov pc, lr
ENDPROC(memset)
......@@ -122,3 +122,4 @@ ENTRY(__memzero)
tst r1, #1 @ 1 a byte left over
strneb r2, [r0], #1 @ 1
mov pc, lr @ 1
ENDPROC(__memzero)
......@@ -43,3 +43,5 @@ ENTRY(__aeabi_lmul)
adc xh, xh, ip, lsr #16
mov pc, lr
ENDPROC(__muldi3)
ENDPROC(__aeabi_lmul)
......@@ -26,16 +26,16 @@
* Note that ADDR_LIMIT is either 0 or 0xc0000000
* Note also that it is intended that __put_user_bad is not global.
*/
#include <linux/linkage.h>
#include <asm/errno.h>
.global __put_user_1
__put_user_1:
ENTRY(__put_user_1)
1: strbt r2, [r0]
mov r0, #0
mov pc, lr
ENDPROC(__put_user_1)
.global __put_user_2
__put_user_2:
ENTRY(__put_user_2)
mov ip, r2, lsr #8
#ifndef __ARMEB__
2: strbt r2, [r0], #1
......@@ -46,23 +46,25 @@ __put_user_2:
#endif
mov r0, #0
mov pc, lr
ENDPROC(__put_user_2)
.global __put_user_4
__put_user_4:
ENTRY(__put_user_4)
4: strt r2, [r0]
mov r0, #0
mov pc, lr
ENDPROC(__put_user_4)
.global __put_user_8
__put_user_8:
ENTRY(__put_user_8)
5: strt r2, [r0], #4
6: strt r3, [r0]
mov r0, #0
mov pc, lr
ENDPROC(__put_user_8)
__put_user_bad:
mov r0, #-EFAULT
mov pc, lr
ENDPROC(__put_user_bad)
.section __ex_table, "a"
.long 1b, __put_user_bad
......
......@@ -20,3 +20,5 @@ ENTRY(_set_bit_be)
eor r0, r0, #0x18 @ big endian byte ordering
ENTRY(_set_bit_le)
bitop orr
ENDPROC(_set_bit_be)
ENDPROC(_set_bit_le)
......@@ -185,6 +185,8 @@ ENTRY(sha_transform)
ldmfd sp!, {r4 - r8, pc}
ENDPROC(sha_transform)
.L_sha_K:
.word 0x5a827999, 0x6ed9eba1, 0x8f1bbcdc, 0xca62c1d6
......@@ -204,3 +206,4 @@ ENTRY(sha_init)
stmia r0, {r1, r2, r3, ip, lr}
ldr pc, [sp], #4
ENDPROC(sha_init)
......@@ -24,3 +24,4 @@ ENTRY(strchr)
movne r0, #0
subeq r0, r0, #1
mov pc, lr
ENDPROC(strchr)
......@@ -31,6 +31,7 @@ USER( ldrplbt r3, [r1], #1)
sub r1, r1, #1 @ take NUL character out of count
2: sub r0, r1, ip
mov pc, lr
ENDPROC(__strncpy_from_user)
.section .fixup,"ax"
.align 0
......
......@@ -31,6 +31,7 @@ USER( ldrbt r3, [r0], #1)
add r0, r0, #1
2: sub r0, r0, r2
mov pc, lr
ENDPROC(__strnlen_user)
.section .fixup,"ax"
.align 0
......
......@@ -23,3 +23,4 @@ ENTRY(strrchr)
bne 1b
mov r0, r3
mov pc, lr
ENDPROC(strrchr)
......@@ -16,3 +16,5 @@ ENTRY(_test_and_change_bit_be)
eor r0, r0, #0x18 @ big endian byte ordering
ENTRY(_test_and_change_bit_le)
testop eor, strb
ENDPROC(_test_and_change_bit_be)
ENDPROC(_test_and_change_bit_le)
......@@ -16,3 +16,5 @@ ENTRY(_test_and_clear_bit_be)
eor r0, r0, #0x18 @ big endian byte ordering
ENTRY(_test_and_clear_bit_le)
testop bicne, strneb
ENDPROC(_test_and_clear_bit_be)
ENDPROC(_test_and_clear_bit_le)
......@@ -16,3 +16,5 @@ ENTRY(_test_and_set_bit_be)
eor r0, r0, #0x18 @ big endian byte ordering
ENTRY(_test_and_set_bit_le)
testop orreq, streqb
ENDPROC(_test_and_set_bit_be)
ENDPROC(_test_and_set_bit_le)
......@@ -277,6 +277,7 @@ USER( strgebt r3, [r0], #1) @ May fault
ldrgtb r3, [r1], #0
USER( strgtbt r3, [r0], #1) @ May fault
b .Lc2u_finished
ENDPROC(__copy_to_user)
.section .fixup,"ax"
.align 0
......@@ -542,6 +543,7 @@ USER( ldrgebt r3, [r1], #1) @ May fault
USER( ldrgtbt r3, [r1], #1) @ May fault
strgtb r3, [r0], #1
b .Lcfu_finished
ENDPROC(__copy_from_user)
.section .fixup,"ax"
.align 0
......
......@@ -33,6 +33,8 @@ ENTRY(__ucmpdi2)
movhi r0, #2
mov pc, lr
ENDPROC(__ucmpdi2)
#ifdef CONFIG_AEABI
ENTRY(__aeabi_ulcmp)
......@@ -44,5 +46,7 @@ ENTRY(__aeabi_ulcmp)
movhi r0, #1
mov pc, lr
ENDPROC(__aeabi_ulcmp)
#endif
......@@ -30,3 +30,4 @@ ENTRY(v7_early_abort)
* New designs should not need to patch up faults.
*/
mov pc, lr
ENDPROC(v7_early_abort)
......@@ -17,3 +17,4 @@ ENTRY(nommu_early_abort)
mov r0, #0 @ clear r0, r1 (no FSR/FAR)
mov r1, #0
mov pc, lr
ENDPROC(nommu_early_abort)
......@@ -66,6 +66,7 @@ finished:
mcr p15, 2, r10, c0, c0, 0 @ select current cache level in cssr
isb
mov pc, lr
ENDPROC(v7_flush_dcache_all)
/*
* v7_flush_cache_all()
......@@ -85,6 +86,7 @@ ENTRY(v7_flush_kern_cache_all)
mcr p15, 0, r0, c7, c5, 0 @ I+BTB cache invalidate
ldmfd sp!, {r4-r5, r7, r9-r11, lr}
mov pc, lr
ENDPROC(v7_flush_kern_cache_all)
/*
* v7_flush_cache_all()
......@@ -110,6 +112,8 @@ ENTRY(v7_flush_user_cache_all)
*/
ENTRY(v7_flush_user_cache_range)
mov pc, lr
ENDPROC(v7_flush_user_cache_all)
ENDPROC(v7_flush_user_cache_range)
/*
* v7_coherent_kern_range(start,end)
......@@ -155,6 +159,8 @@ ENTRY(v7_coherent_user_range)
dsb
isb
mov pc, lr
ENDPROC(v7_coherent_kern_range)
ENDPROC(v7_coherent_user_range)
/*
* v7_flush_kern_dcache_page(kaddr)
......@@ -174,6 +180,7 @@ ENTRY(v7_flush_kern_dcache_page)
blo 1b
dsb
mov pc, lr
ENDPROC(v7_flush_kern_dcache_page)
/*
* v7_dma_inv_range(start,end)
......@@ -202,6 +209,7 @@ ENTRY(v7_dma_inv_range)
blo 1b
dsb
mov pc, lr
ENDPROC(v7_dma_inv_range)
/*
* v7_dma_clean_range(start,end)
......@@ -219,6 +227,7 @@ ENTRY(v7_dma_clean_range)
blo 1b
dsb
mov pc, lr
ENDPROC(v7_dma_clean_range)
/*
* v7_dma_flush_range(start,end)
......@@ -236,6 +245,7 @@ ENTRY(v7_dma_flush_range)
blo 1b
dsb
mov pc, lr
ENDPROC(v7_dma_flush_range)
__INITDATA
......
......@@ -25,9 +25,11 @@
ENTRY(cpu_v7_proc_init)
mov pc, lr
ENDPROC(cpu_v7_proc_init)
ENTRY(cpu_v7_proc_fin)
mov pc, lr
ENDPROC(cpu_v7_proc_fin)
/*
* cpu_v7_reset(loc)
......@@ -43,6 +45,7 @@ ENTRY(cpu_v7_proc_fin)
.align 5
ENTRY(cpu_v7_reset)
mov pc, r0
ENDPROC(cpu_v7_reset)
/*
* cpu_v7_do_idle()
......@@ -54,6 +57,7 @@ ENTRY(cpu_v7_reset)
ENTRY(cpu_v7_do_idle)
.long 0xe320f003 @ ARM V7 WFI instruction
mov pc, lr
ENDPROC(cpu_v7_do_idle)
ENTRY(cpu_v7_dcache_clean_area)
#ifndef TLB_CAN_READ_FROM_L1_CACHE
......@@ -65,6 +69,7 @@ ENTRY(cpu_v7_dcache_clean_area)
dsb
#endif
mov pc, lr
ENDPROC(cpu_v7_dcache_clean_area)
/*
* cpu_v7_switch_mm(pgd_phys, tsk)
......@@ -89,6 +94,7 @@ ENTRY(cpu_v7_switch_mm)
isb
#endif
mov pc, lr
ENDPROC(cpu_v7_switch_mm)
/*
* cpu_v7_set_pte_ext(ptep, pte)
......@@ -141,6 +147,7 @@ ENTRY(cpu_v7_set_pte_ext)
mcr p15, 0, r0, c7, c10, 1 @ flush_pte
#endif
mov pc, lr
ENDPROC(cpu_v7_set_pte_ext)
cpu_v7_name:
.ascii "ARMv7 Processor"
......@@ -188,6 +195,7 @@ __v7_setup:
bic r0, r0, r5 @ clear bits them
orr r0, r0, r6 @ set them
mov pc, lr @ return to head.S:__ret
ENDPROC(__v7_setup)
/*
* V X F I D LR
......
......@@ -51,6 +51,7 @@ ENTRY(v7wbi_flush_user_tlb_range)
mcr p15, 0, ip, c7, c5, 6 @ flush BTAC/BTB
dsb
mov pc, lr
ENDPROC(v7wbi_flush_user_tlb_range)
/*
* v7wbi_flush_kern_tlb_range(start,end)
......@@ -77,6 +78,7 @@ ENTRY(v7wbi_flush_kern_tlb_range)
dsb
isb
mov pc, lr
ENDPROC(v7wbi_flush_kern_tlb_range)
.section ".text.init", #alloc, #execinstr
......
......@@ -21,13 +21,13 @@
#include <asm/assembler.h>
#include <asm/vfpmacros.h>
.globl do_vfp
do_vfp:
ENTRY(do_vfp)
enable_irq
ldr r4, .LCvfp
ldr r11, [r10, #TI_CPU] @ CPU number
add r10, r10, #TI_VFPSTATE @ r10 = workspace
ldr pc, [r4] @ call VFP entry point
ENDPROC(do_vfp)
ENTRY(vfp_null_entry)
mov pc, lr
......@@ -40,11 +40,11 @@ ENDPROC(vfp_null_entry)
@ failure to the VFP initialisation code.
__INIT
.globl vfp_testing_entry
vfp_testing_entry:
ENTRY(vfp_testing_entry)
ldr r0, VFP_arch_address
str r5, [r0] @ known non-zero value
mov pc, r9 @ we have handled the fault
ENDPROC(vfp_testing_entry)
VFP_arch_address:
.word VFP_arch
......
......@@ -68,8 +68,7 @@
@ r11 = CPU number
@ lr = failure return
.globl vfp_support_entry
vfp_support_entry:
ENTRY(vfp_support_entry)
DBGSTR3 "instr %08x pc %08x state %p", r0, r2, r10
VFPFMRX r1, FPEXC @ Is the VFP enabled?
......@@ -165,11 +164,10 @@ process_exception:
@ code will raise an exception if
@ required. If not, the user code will
@ retry the faulted instruction
ENDPROC(vfp_support_entry)
#ifdef CONFIG_SMP
.globl vfp_save_state
.type vfp_save_state, %function
vfp_save_state:
ENTRY(vfp_save_state)
@ Save the current VFP state
@ r0 - save location
@ r1 - FPEXC
......@@ -182,13 +180,13 @@ vfp_save_state:
VFPFMRX r12, FPINST2, NE @ FPINST2 if needed (and present)
stmia r0, {r1, r2, r3, r12} @ save FPEXC, FPSCR, FPINST, FPINST2
mov pc, lr
ENDPROC(vfp_save_state)
#endif
last_VFP_context_address:
.word last_VFP_context
.globl vfp_get_float
vfp_get_float:
ENTRY(vfp_get_float)
add pc, pc, r0, lsl #3
mov r0, r0
.irp dr,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
......@@ -197,9 +195,9 @@ vfp_get_float:
mrc p10, 0, r0, c\dr, c0, 4 @ fmrs r0, s1
mov pc, lr
.endr
ENDPROC(vfp_get_float)
.globl vfp_put_float
vfp_put_float:
ENTRY(vfp_put_float)
add pc, pc, r1, lsl #3
mov r0, r0
.irp dr,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
......@@ -208,9 +206,9 @@ vfp_put_float:
mcr p10, 0, r0, c\dr, c0, 4 @ fmsr r0, s1
mov pc, lr
.endr
ENDPROC(vfp_put_float)
.globl vfp_get_double
vfp_get_double:
ENTRY(vfp_get_double)
add pc, pc, r0, lsl #3
mov r0, r0
.irp dr,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
......@@ -229,9 +227,9 @@ vfp_get_double:
mov r0, #0
mov r1, #0
mov pc, lr
ENDPROC(vfp_get_double)
.globl vfp_put_double
vfp_put_double:
ENTRY(vfp_put_double)
add pc, pc, r2, lsl #3
mov r0, r0
.irp dr,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
......@@ -245,3 +243,4 @@ vfp_put_double:
mov pc, lr
.endr
#endif
ENDPROC(vfp_put_double)
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment