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author | Paul Mundt <lethal@linux-sh.org> | 2011-01-13 15:06:28 +0900 |
---|---|---|
committer | Paul Mundt <lethal@linux-sh.org> | 2011-01-13 15:06:28 +0900 |
commit | f43dc23d5ea91fca257be02138a255f02d98e806 (patch) | |
tree | b29722f6e965316e90ac97abf79923ced250dc21 /arch/arm/lib | |
parent | f8e53553f452dcbf67cb89c8cba63a1cd6eb4cc0 (diff) | |
parent | 4162cf64973df51fc885825bc9ca4d055891c49f (diff) | |
download | op-kernel-dev-f43dc23d5ea91fca257be02138a255f02d98e806.zip op-kernel-dev-f43dc23d5ea91fca257be02138a255f02d98e806.tar.gz |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 into common/serial-rework
Conflicts:
arch/sh/kernel/cpu/sh2/setup-sh7619.c
arch/sh/kernel/cpu/sh2a/setup-mxg.c
arch/sh/kernel/cpu/sh2a/setup-sh7201.c
arch/sh/kernel/cpu/sh2a/setup-sh7203.c
arch/sh/kernel/cpu/sh2a/setup-sh7206.c
arch/sh/kernel/cpu/sh3/setup-sh7705.c
arch/sh/kernel/cpu/sh3/setup-sh770x.c
arch/sh/kernel/cpu/sh3/setup-sh7710.c
arch/sh/kernel/cpu/sh3/setup-sh7720.c
arch/sh/kernel/cpu/sh4/setup-sh4-202.c
arch/sh/kernel/cpu/sh4/setup-sh7750.c
arch/sh/kernel/cpu/sh4/setup-sh7760.c
arch/sh/kernel/cpu/sh4a/setup-sh7343.c
arch/sh/kernel/cpu/sh4a/setup-sh7366.c
arch/sh/kernel/cpu/sh4a/setup-sh7722.c
arch/sh/kernel/cpu/sh4a/setup-sh7723.c
arch/sh/kernel/cpu/sh4a/setup-sh7724.c
arch/sh/kernel/cpu/sh4a/setup-sh7763.c
arch/sh/kernel/cpu/sh4a/setup-sh7770.c
arch/sh/kernel/cpu/sh4a/setup-sh7780.c
arch/sh/kernel/cpu/sh4a/setup-sh7785.c
arch/sh/kernel/cpu/sh4a/setup-sh7786.c
arch/sh/kernel/cpu/sh4a/setup-shx3.c
arch/sh/kernel/cpu/sh5/setup-sh5.c
drivers/serial/sh-sci.c
drivers/serial/sh-sci.h
include/linux/serial_sci.h
Diffstat (limited to 'arch/arm/lib')
-rw-r--r-- | arch/arm/lib/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/lib/ashldi3.S | 4 | ||||
-rw-r--r-- | arch/arm/lib/ashrdi3.S | 4 | ||||
-rw-r--r-- | arch/arm/lib/backtrace.S | 12 | ||||
-rw-r--r-- | arch/arm/lib/bitops.h | 2 | ||||
-rw-r--r-- | arch/arm/lib/clear_user.S | 20 | ||||
-rw-r--r-- | arch/arm/lib/copy_from_user.S | 23 | ||||
-rw-r--r-- | arch/arm/lib/copy_page.S | 16 | ||||
-rw-r--r-- | arch/arm/lib/copy_template.S | 24 | ||||
-rw-r--r-- | arch/arm/lib/copy_to_user.S | 24 | ||||
-rw-r--r-- | arch/arm/lib/csumpartialcopyuser.S | 54 | ||||
-rw-r--r-- | arch/arm/lib/div64.S | 4 | ||||
-rw-r--r-- | arch/arm/lib/findbit.S | 40 | ||||
-rw-r--r-- | arch/arm/lib/getuser.S | 18 | ||||
-rw-r--r-- | arch/arm/lib/io-writesw-armv4.S | 5 | ||||
-rw-r--r-- | arch/arm/lib/lib1funcs.S | 2 | ||||
-rw-r--r-- | arch/arm/lib/lshrdi3.S | 4 | ||||
-rw-r--r-- | arch/arm/lib/memcpy.S | 7 | ||||
-rw-r--r-- | arch/arm/lib/memmove.S | 32 | ||||
-rw-r--r-- | arch/arm/lib/putuser.S | 36 | ||||
-rw-r--r-- | arch/arm/lib/sha1.S | 4 | ||||
-rw-r--r-- | arch/arm/lib/strncpy_from_user.S | 6 | ||||
-rw-r--r-- | arch/arm/lib/strnlen_user.S | 6 | ||||
-rw-r--r-- | arch/arm/lib/uaccess.S | 91 | ||||
-rw-r--r-- | arch/arm/lib/uaccess_with_memcpy.c | 1 |
25 files changed, 252 insertions, 188 deletions
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile index 030ba72..59ff42d 100644 --- a/arch/arm/lib/Makefile +++ b/arch/arm/lib/Makefile @@ -41,7 +41,6 @@ else endif lib-$(CONFIG_ARCH_RPC) += ecard.o io-acorn.o floppydma.o -lib-$(CONFIG_ARCH_L7200) += io-acorn.o lib-$(CONFIG_ARCH_SHARK) += io-shark.o $(obj)/csumpartialcopy.o: $(obj)/csumpartialcopygeneric.S diff --git a/arch/arm/lib/ashldi3.S b/arch/arm/lib/ashldi3.S index 1154d92..638deb1 100644 --- a/arch/arm/lib/ashldi3.S +++ b/arch/arm/lib/ashldi3.S @@ -43,7 +43,9 @@ ENTRY(__aeabi_llsl) rsb ip, r2, #32 movmi ah, ah, lsl r2 movpl ah, al, lsl r3 - orrmi ah, ah, al, lsr ip + ARM( orrmi ah, ah, al, lsr ip ) + THUMB( lsrmi r3, al, ip ) + THUMB( orrmi ah, ah, r3 ) mov al, al, lsl r2 mov pc, lr diff --git a/arch/arm/lib/ashrdi3.S b/arch/arm/lib/ashrdi3.S index 9f8b355..015e8aa5 100644 --- a/arch/arm/lib/ashrdi3.S +++ b/arch/arm/lib/ashrdi3.S @@ -43,7 +43,9 @@ ENTRY(__aeabi_lasr) rsb ip, r2, #32 movmi al, al, lsr r2 movpl al, ah, asr r3 - orrmi al, al, ah, lsl ip + ARM( orrmi al, al, ah, lsl ip ) + THUMB( lslmi r3, ah, ip ) + THUMB( orrmi al, al, r3 ) mov ah, ah, asr r2 mov pc, lr diff --git a/arch/arm/lib/backtrace.S b/arch/arm/lib/backtrace.S index b0951d0..a673297 100644 --- a/arch/arm/lib/backtrace.S +++ b/arch/arm/lib/backtrace.S @@ -38,7 +38,9 @@ ENDPROC(c_backtrace) beq no_frame @ we have no stack frames tst r1, #0x10 @ 26 or 32-bit mode? - moveq mask, #0xfc000003 @ mask for 26-bit + ARM( moveq mask, #0xfc000003 ) + THUMB( moveq mask, #0xfc000000 ) + THUMB( orreq mask, #0x03 ) movne mask, #0 @ mask for 32-bit 1: stmfd sp!, {pc} @ calculate offset of PC stored @@ -108,13 +110,13 @@ no_frame: ldmfd sp!, {r4 - r8, pc} ENDPROC(__backtrace) ENDPROC(c_backtrace) - .section __ex_table,"a" + .pushsection __ex_table,"a" .align 3 .long 1001b, 1006b .long 1002b, 1006b .long 1003b, 1006b .long 1004b, 1006b - .previous + .popsection #define instr r4 #define reg r5 @@ -126,7 +128,9 @@ ENDPROC(c_backtrace) mov reg, #10 mov r7, #0 1: mov r3, #1 - tst instr, r3, lsl reg + ARM( tst instr, r3, lsl reg ) + THUMB( lsl r3, reg ) + THUMB( tst instr, r3 ) beq 2f add r7, r7, #1 teq r7, #6 diff --git a/arch/arm/lib/bitops.h b/arch/arm/lib/bitops.h index c7f2627..d422529 100644 --- a/arch/arm/lib/bitops.h +++ b/arch/arm/lib/bitops.h @@ -60,8 +60,8 @@ tst r2, r0, lsl r3 \instr r2, r2, r0, lsl r3 \store r2, [r1] - restore_irqs ip moveq r0, #0 + restore_irqs ip mov pc, lr .endm #endif diff --git a/arch/arm/lib/clear_user.S b/arch/arm/lib/clear_user.S index 844f567..14a0d98 100644 --- a/arch/arm/lib/clear_user.S +++ b/arch/arm/lib/clear_user.S @@ -27,28 +27,28 @@ WEAK(__clear_user) ands ip, r0, #3 beq 1f cmp ip, #2 -USER( strbt r2, [r0], #1) -USER( strlebt r2, [r0], #1) -USER( strltbt r2, [r0], #1) + strusr r2, r0, 1 + strusr r2, r0, 1, le + strusr r2, r0, 1, lt rsb ip, ip, #4 sub r1, r1, ip @ 7 6 5 4 3 2 1 1: subs r1, r1, #8 @ -1 -2 -3 -4 -5 -6 -7 -USER( strplt r2, [r0], #4) -USER( strplt r2, [r0], #4) + strusr r2, r0, 4, pl, rept=2 bpl 1b adds r1, r1, #4 @ 3 2 1 0 -1 -2 -3 -USER( strplt r2, [r0], #4) + strusr r2, r0, 4, pl 2: tst r1, #2 @ 1x 1x 0x 0x 1x 1x 0x -USER( strnebt r2, [r0], #1) -USER( strnebt r2, [r0], #1) + strusr r2, r0, 1, ne, rept=2 tst r1, #1 @ x1 x0 x1 x0 x1 x0 x1 + it ne @ explicit IT needed for the label USER( strnebt r2, [r0]) mov r0, #0 ldmfd sp!, {r1, pc} ENDPROC(__clear_user) +ENDPROC(__clear_user_std) - .section .fixup,"ax" + .pushsection .fixup,"ax" .align 0 9001: ldmfd sp!, {r0, pc} - .previous + .popsection diff --git a/arch/arm/lib/copy_from_user.S b/arch/arm/lib/copy_from_user.S index 56799a1..66a477a 100644 --- a/arch/arm/lib/copy_from_user.S +++ b/arch/arm/lib/copy_from_user.S @@ -33,11 +33,15 @@ * Number of bytes NOT copied. */ +#ifndef CONFIG_THUMB2_KERNEL +#define LDR1W_SHIFT 0 +#else +#define LDR1W_SHIFT 1 +#endif +#define STR1W_SHIFT 0 + .macro ldr1w ptr reg abort -100: ldrt \reg, [\ptr], #4 - .section __ex_table, "a" - .long 100b, \abort - .previous + ldrusr \reg, \ptr, 4, abort=\abort .endm .macro ldr4w ptr reg1 reg2 reg3 reg4 abort @@ -53,14 +57,11 @@ .endm .macro ldr1b ptr reg cond=al abort -100: ldr\cond\()bt \reg, [\ptr], #1 - .section __ex_table, "a" - .long 100b, \abort - .previous + ldrusr \reg, \ptr, 1, \cond, abort=\abort .endm .macro str1w ptr reg abort - str \reg, [\ptr], #4 + W(str) \reg, [\ptr], #4 .endm .macro str8w ptr reg1 reg2 reg3 reg4 reg5 reg6 reg7 reg8 abort @@ -89,7 +90,7 @@ ENTRY(__copy_from_user) ENDPROC(__copy_from_user) - .section .fixup,"ax" + .pushsection .fixup,"ax" .align 0 copy_abort_preamble ldmfd sp!, {r1, r2} @@ -99,5 +100,5 @@ ENDPROC(__copy_from_user) bl __memzero ldr r0, [sp], #4 copy_abort_end - .previous + .popsection diff --git a/arch/arm/lib/copy_page.S b/arch/arm/lib/copy_page.S index 6ae04db..6ee2f67 100644 --- a/arch/arm/lib/copy_page.S +++ b/arch/arm/lib/copy_page.S @@ -12,8 +12,9 @@ #include <linux/linkage.h> #include <asm/assembler.h> #include <asm/asm-offsets.h> +#include <asm/cache.h> -#define COPY_COUNT (PAGE_SZ/64 PLD( -1 )) +#define COPY_COUNT (PAGE_SZ / (2 * L1_CACHE_BYTES) PLD( -1 )) .text .align 5 @@ -26,17 +27,16 @@ ENTRY(copy_page) stmfd sp!, {r4, lr} @ 2 PLD( pld [r1, #0] ) - PLD( pld [r1, #32] ) + PLD( pld [r1, #L1_CACHE_BYTES] ) mov r2, #COPY_COUNT @ 1 ldmia r1!, {r3, r4, ip, lr} @ 4+1 -1: PLD( pld [r1, #64] ) - PLD( pld [r1, #96] ) -2: stmia r0!, {r3, r4, ip, lr} @ 4 - ldmia r1!, {r3, r4, ip, lr} @ 4+1 - stmia r0!, {r3, r4, ip, lr} @ 4 - ldmia r1!, {r3, r4, ip, lr} @ 4+1 +1: PLD( pld [r1, #2 * L1_CACHE_BYTES]) + PLD( pld [r1, #3 * L1_CACHE_BYTES]) +2: + .rept (2 * L1_CACHE_BYTES / 16 - 1) stmia r0!, {r3, r4, ip, lr} @ 4 ldmia r1!, {r3, r4, ip, lr} @ 4 + .endr subs r2, r2, #1 @ 1 stmia r0!, {r3, r4, ip, lr} @ 4 ldmgtia r1!, {r3, r4, ip, lr} @ 4 diff --git a/arch/arm/lib/copy_template.S b/arch/arm/lib/copy_template.S index 139cce6..805e3f8 100644 --- a/arch/arm/lib/copy_template.S +++ b/arch/arm/lib/copy_template.S @@ -57,6 +57,13 @@ * * Restore registers with the values previously saved with the * 'preserv' macro. Called upon code termination. + * + * LDR1W_SHIFT + * STR1W_SHIFT + * + * Correction to be applied to the "ip" register when branching into + * the ldr1w or str1w instructions (some of these macros may expand to + * than one 32bit instruction in Thumb-2) */ @@ -99,9 +106,15 @@ 5: ands ip, r2, #28 rsb ip, ip, #32 +#if LDR1W_SHIFT > 0 + lsl ip, ip, #LDR1W_SHIFT +#endif addne pc, pc, ip @ C is always clear here b 7f -6: nop +6: + .rept (1 << LDR1W_SHIFT) + W(nop) + .endr ldr1w r1, r3, abort=20f ldr1w r1, r4, abort=20f ldr1w r1, r5, abort=20f @@ -110,9 +123,16 @@ ldr1w r1, r8, abort=20f ldr1w r1, lr, abort=20f +#if LDR1W_SHIFT < STR1W_SHIFT + lsl ip, ip, #STR1W_SHIFT - LDR1W_SHIFT +#elif LDR1W_SHIFT > STR1W_SHIFT + lsr ip, ip, #LDR1W_SHIFT - STR1W_SHIFT +#endif add pc, pc, ip nop - nop + .rept (1 << STR1W_SHIFT) + W(nop) + .endr str1w r0, r3, abort=20f str1w r0, r4, abort=20f str1w r0, r5, abort=20f diff --git a/arch/arm/lib/copy_to_user.S b/arch/arm/lib/copy_to_user.S index 878820f..d066df6 100644 --- a/arch/arm/lib/copy_to_user.S +++ b/arch/arm/lib/copy_to_user.S @@ -33,8 +33,15 @@ * Number of bytes NOT copied. */ +#define LDR1W_SHIFT 0 +#ifndef CONFIG_THUMB2_KERNEL +#define STR1W_SHIFT 0 +#else +#define STR1W_SHIFT 1 +#endif + .macro ldr1w ptr reg abort - ldr \reg, [\ptr], #4 + W(ldr) \reg, [\ptr], #4 .endm .macro ldr4w ptr reg1 reg2 reg3 reg4 abort @@ -50,10 +57,7 @@ .endm .macro str1w ptr reg abort -100: strt \reg, [\ptr], #4 - .section __ex_table, "a" - .long 100b, \abort - .previous + strusr \reg, \ptr, 4, abort=\abort .endm .macro str8w ptr reg1 reg2 reg3 reg4 reg5 reg6 reg7 reg8 abort @@ -68,10 +72,7 @@ .endm .macro str1b ptr reg cond=al abort -100: str\cond\()bt \reg, [\ptr], #1 - .section __ex_table, "a" - .long 100b, \abort - .previous + strusr \reg, \ptr, 1, \cond, abort=\abort .endm .macro enter reg1 reg2 @@ -92,13 +93,14 @@ WEAK(__copy_to_user) #include "copy_template.S" ENDPROC(__copy_to_user) +ENDPROC(__copy_to_user_std) - .section .fixup,"ax" + .pushsection .fixup,"ax" .align 0 copy_abort_preamble ldmfd sp!, {r1, r2, r3} sub r0, r0, r1 rsb r0, r0, r2 copy_abort_end - .previous + .popsection diff --git a/arch/arm/lib/csumpartialcopyuser.S b/arch/arm/lib/csumpartialcopyuser.S index 14677fb..7d08b43 100644 --- a/arch/arm/lib/csumpartialcopyuser.S +++ b/arch/arm/lib/csumpartialcopyuser.S @@ -26,50 +26,28 @@ .endm .macro load1b, reg1 -9999: ldrbt \reg1, [r0], $1 - .section __ex_table, "a" - .align 3 - .long 9999b, 6001f - .previous + ldrusr \reg1, r0, 1 .endm .macro load2b, reg1, reg2 -9999: ldrbt \reg1, [r0], $1 -9998: ldrbt \reg2, [r0], $1 - .section __ex_table, "a" - .long 9999b, 6001f - .long 9998b, 6001f - .previous + ldrusr \reg1, r0, 1 + ldrusr \reg2, r0, 1 .endm .macro load1l, reg1 -9999: ldrt \reg1, [r0], $4 - .section __ex_table, "a" - .align 3 - .long 9999b, 6001f - .previous + ldrusr \reg1, r0, 4 .endm .macro load2l, reg1, reg2 -9999: ldrt \reg1, [r0], $4 -9998: ldrt \reg2, [r0], $4 - .section __ex_table, "a" - .long 9999b, 6001f - .long 9998b, 6001f - .previous + ldrusr \reg1, r0, 4 + ldrusr \reg2, r0, 4 .endm .macro load4l, reg1, reg2, reg3, reg4 -9999: ldrt \reg1, [r0], $4 -9998: ldrt \reg2, [r0], $4 -9997: ldrt \reg3, [r0], $4 -9996: ldrt \reg4, [r0], $4 - .section __ex_table, "a" - .long 9999b, 6001f - .long 9998b, 6001f - .long 9997b, 6001f - .long 9996b, 6001f - .previous + ldrusr \reg1, r0, 4 + ldrusr \reg2, r0, 4 + ldrusr \reg3, r0, 4 + ldrusr \reg4, r0, 4 .endm /* @@ -90,16 +68,16 @@ * so properly, we would have to add in whatever registers were loaded before * the fault, which, with the current asm above is not predictable. */ - .section .fixup,"ax" + .pushsection .fixup,"ax" .align 4 -6001: mov r4, #-EFAULT - ldr r5, [fp, #4] @ *err_ptr +9001: mov r4, #-EFAULT + ldr r5, [sp, #8*4] @ *err_ptr str r4, [r5] ldmia sp, {r1, r2} @ retrieve dst, len add r2, r2, r1 mov r0, #0 @ zero the buffer -6002: teq r2, r1 +9002: teq r2, r1 strneb r0, [r1], #1 - bne 6002b + bne 9002b load_regs - .previous + .popsection diff --git a/arch/arm/lib/div64.S b/arch/arm/lib/div64.S index 1425e78..faa7748 100644 --- a/arch/arm/lib/div64.S +++ b/arch/arm/lib/div64.S @@ -177,7 +177,9 @@ ENTRY(__do_div64) mov yh, xh, lsr ip mov yl, xl, lsr ip rsb ip, ip, #32 - orr yl, yl, xh, lsl ip + ARM( orr yl, yl, xh, lsl ip ) + THUMB( lsl xh, xh, ip ) + THUMB( orr yl, yl, xh ) mov xh, xl, lsl ip mov xh, xh, lsr ip mov pc, lr diff --git a/arch/arm/lib/findbit.S b/arch/arm/lib/findbit.S index 8c4defc..64f6bc1 100644 --- a/arch/arm/lib/findbit.S +++ b/arch/arm/lib/findbit.S @@ -25,7 +25,10 @@ ENTRY(_find_first_zero_bit_le) teq r1, #0 beq 3f mov r2, #0 -1: ldrb r3, [r0, r2, lsr #3] +1: + ARM( ldrb r3, [r0, r2, lsr #3] ) + THUMB( lsr r3, r2, #3 ) + THUMB( ldrb r3, [r0, r3] ) eors r3, r3, #0xff @ invert bits bne .L_found @ any now set - found zero bit add r2, r2, #8 @ next bit pointer @@ -44,7 +47,9 @@ ENTRY(_find_next_zero_bit_le) beq 3b ands ip, r2, #7 beq 1b @ If new byte, goto old routine - ldrb r3, [r0, r2, lsr #3] + ARM( ldrb r3, [r0, r2, lsr #3] ) + THUMB( lsr r3, r2, #3 ) + THUMB( ldrb r3, [r0, r3] ) eor r3, r3, #0xff @ now looking for a 1 bit movs r3, r3, lsr ip @ shift off unused bits bne .L_found @@ -61,7 +66,10 @@ ENTRY(_find_first_bit_le) teq r1, #0 beq 3f mov r2, #0 -1: ldrb r3, [r0, r2, lsr #3] +1: + ARM( ldrb r3, [r0, r2, lsr #3] ) + THUMB( lsr r3, r2, #3 ) + THUMB( ldrb r3, [r0, r3] ) movs r3, r3 bne .L_found @ any now set - found zero bit add r2, r2, #8 @ next bit pointer @@ -80,7 +88,9 @@ ENTRY(_find_next_bit_le) beq 3b ands ip, r2, #7 beq 1b @ If new byte, goto old routine - ldrb r3, [r0, r2, lsr #3] + ARM( ldrb r3, [r0, r2, lsr #3] ) + THUMB( lsr r3, r2, #3 ) + THUMB( ldrb r3, [r0, r3] ) movs r3, r3, lsr ip @ shift off unused bits bne .L_found orr r2, r2, #7 @ if zero, then no bits here @@ -95,7 +105,9 @@ ENTRY(_find_first_zero_bit_be) beq 3f mov r2, #0 1: eor r3, r2, #0x18 @ big endian byte ordering - ldrb r3, [r0, r3, lsr #3] + ARM( ldrb r3, [r0, r3, lsr #3] ) + THUMB( lsr r3, #3 ) + THUMB( ldrb r3, [r0, r3] ) eors r3, r3, #0xff @ invert bits bne .L_found @ any now set - found zero bit add r2, r2, #8 @ next bit pointer @@ -111,7 +123,9 @@ ENTRY(_find_next_zero_bit_be) ands ip, r2, #7 beq 1b @ If new byte, goto old routine eor r3, r2, #0x18 @ big endian byte ordering - ldrb r3, [r0, r3, lsr #3] + ARM( ldrb r3, [r0, r3, lsr #3] ) + THUMB( lsr r3, #3 ) + THUMB( ldrb r3, [r0, r3] ) eor r3, r3, #0xff @ now looking for a 1 bit movs r3, r3, lsr ip @ shift off unused bits bne .L_found @@ -125,7 +139,9 @@ ENTRY(_find_first_bit_be) beq 3f mov r2, #0 1: eor r3, r2, #0x18 @ big endian byte ordering - ldrb r3, [r0, r3, lsr #3] + ARM( ldrb r3, [r0, r3, lsr #3] ) + THUMB( lsr r3, #3 ) + THUMB( ldrb r3, [r0, r3] ) movs r3, r3 bne .L_found @ any now set - found zero bit add r2, r2, #8 @ next bit pointer @@ -141,7 +157,9 @@ ENTRY(_find_next_bit_be) ands ip, r2, #7 beq 1b @ If new byte, goto old routine eor r3, r2, #0x18 @ big endian byte ordering - ldrb r3, [r0, r3, lsr #3] + ARM( ldrb r3, [r0, r3, lsr #3] ) + THUMB( lsr r3, #3 ) + THUMB( ldrb r3, [r0, r3] ) movs r3, r3, lsr ip @ shift off unused bits bne .L_found orr r2, r2, #7 @ if zero, then no bits here @@ -156,8 +174,8 @@ ENDPROC(_find_next_bit_be) */ .L_found: #if __LINUX_ARM_ARCH__ >= 5 - rsb r1, r3, #0 - and r3, r3, r1 + rsb r0, r3, #0 + and r3, r3, r0 clz r3, r3 rsb r3, r3, #31 add r0, r2, r3 @@ -172,5 +190,7 @@ ENDPROC(_find_next_bit_be) addeq r2, r2, #1 mov r0, r2 #endif + cmp r1, r0 @ Clamp to maxbit + movlo r0, r1 mov pc, lr diff --git a/arch/arm/lib/getuser.S b/arch/arm/lib/getuser.S index 6763088..1b049cd 100644 --- a/arch/arm/lib/getuser.S +++ b/arch/arm/lib/getuser.S @@ -28,16 +28,22 @@ */ #include <linux/linkage.h> #include <asm/errno.h> +#include <asm/domain.h> ENTRY(__get_user_1) -1: ldrbt r2, [r0] +1: T(ldrb) r2, [r0] mov r0, #0 mov pc, lr ENDPROC(__get_user_1) ENTRY(__get_user_2) -2: ldrbt r2, [r0], #1 -3: ldrbt r3, [r0] +#ifdef CONFIG_THUMB2_KERNEL +2: T(ldrb) r2, [r0] +3: T(ldrb) r3, [r0, #1] +#else +2: T(ldrb) r2, [r0], #1 +3: T(ldrb) r3, [r0] +#endif #ifndef __ARMEB__ orr r2, r2, r3, lsl #8 #else @@ -48,7 +54,7 @@ ENTRY(__get_user_2) ENDPROC(__get_user_2) ENTRY(__get_user_4) -4: ldrt r2, [r0] +4: T(ldr) r2, [r0] mov r0, #0 mov pc, lr ENDPROC(__get_user_4) @@ -59,9 +65,9 @@ __get_user_bad: mov pc, lr ENDPROC(__get_user_bad) -.section __ex_table, "a" +.pushsection __ex_table, "a" .long 1b, __get_user_bad .long 2b, __get_user_bad .long 3b, __get_user_bad .long 4b, __get_user_bad -.previous +.popsection diff --git a/arch/arm/lib/io-writesw-armv4.S b/arch/arm/lib/io-writesw-armv4.S index d658561..ff4f71b 100644 --- a/arch/arm/lib/io-writesw-armv4.S +++ b/arch/arm/lib/io-writesw-armv4.S @@ -75,7 +75,10 @@ ENTRY(__raw_writesw) #endif .Loutsw_noalign: - ldr r3, [r1, -r3]! + ARM( ldr r3, [r1, -r3]! ) + THUMB( rsb r3, r3, #0 ) + THUMB( ldr r3, [r1, r3] ) + THUMB( sub r1, r3 ) subcs r2, r2, #1 bcs 2f subs r2, r2, #2 diff --git a/arch/arm/lib/lib1funcs.S b/arch/arm/lib/lib1funcs.S index 67964bc..6dc0648 100644 --- a/arch/arm/lib/lib1funcs.S +++ b/arch/arm/lib/lib1funcs.S @@ -1,7 +1,7 @@ /* * linux/arch/arm/lib/lib1funcs.S: Optimized ARM division routines * - * Author: Nicolas Pitre <nico@cam.org> + * Author: Nicolas Pitre <nico@fluxnic.net> * - contributed to gcc-3.4 on Sep 30, 2003 * - adapted for the Linux kernel on Oct 2, 2003 */ diff --git a/arch/arm/lib/lshrdi3.S b/arch/arm/lib/lshrdi3.S index 99ea338..f83d449 100644 --- a/arch/arm/lib/lshrdi3.S +++ b/arch/arm/lib/lshrdi3.S @@ -43,7 +43,9 @@ ENTRY(__aeabi_llsr) rsb ip, r2, #32 movmi al, al, lsr r2 movpl al, ah, lsr r3 - orrmi al, al, ah, lsl ip + ARM( orrmi al, al, ah, lsl ip ) + THUMB( lslmi r3, ah, ip ) + THUMB( orrmi al, al, r3 ) mov ah, ah, lsr r2 mov pc, lr diff --git a/arch/arm/lib/memcpy.S b/arch/arm/lib/memcpy.S index e0d0026..a9b9e22 100644 --- a/arch/arm/lib/memcpy.S +++ b/arch/arm/lib/memcpy.S @@ -13,8 +13,11 @@ #include <linux/linkage.h> #include <asm/assembler.h> +#define LDR1W_SHIFT 0 +#define STR1W_SHIFT 0 + .macro ldr1w ptr reg abort - ldr \reg, [\ptr], #4 + W(ldr) \reg, [\ptr], #4 .endm .macro ldr4w ptr reg1 reg2 reg3 reg4 abort @@ -30,7 +33,7 @@ .endm .macro str1w ptr reg abort - str \reg, [\ptr], #4 + W(str) \reg, [\ptr], #4 .endm .macro str8w ptr reg1 reg2 reg3 reg4 reg5 reg6 reg7 reg8 abort diff --git a/arch/arm/lib/memmove.S b/arch/arm/lib/memmove.S index 1254918..938fc14 100644 --- a/arch/arm/lib/memmove.S +++ b/arch/arm/lib/memmove.S @@ -74,25 +74,25 @@ ENTRY(memmove) rsb ip, ip, #32 addne pc, pc, ip @ C is always clear here b 7f -6: nop - ldr r3, [r1, #-4]! - ldr r4, [r1, #-4]! - ldr r5, [r1, #-4]! - ldr r6, [r1, #-4]! - ldr r7, [r1, #-4]! - ldr r8, [r1, #-4]! - ldr lr, [r1, #-4]! +6: W(nop) + W(ldr) r3, [r1, #-4]! + W(ldr) r4, [r1, #-4]! + W(ldr) r5, [r1, #-4]! + W(ldr) r6, [r1, #-4]! + W(ldr) r7, [r1, #-4]! + W(ldr) r8, [r1, #-4]! + W(ldr) lr, [r1, #-4]! add pc, pc, ip nop - nop - str r3, [r0, #-4]! - str r4, [r0, #-4]! - str r5, [r0, #-4]! - str r6, [r0, #-4]! - str r7, [r0, #-4]! - str r8, [r0, #-4]! - str lr, [r0, #-4]! + W(nop) + W(str) r3, [r0, #-4]! + W(str) r4, [r0, #-4]! + W(str) r5, [r0, #-4]! + W(str) r6, [r0, #-4]! + W(str) r7, [r0, #-4]! + W(str) r8, [r0, #-4]! + W(str) lr, [r0, #-4]! CALGN( bcs 2b ) diff --git a/arch/arm/lib/putuser.S b/arch/arm/lib/putuser.S index 864f3c1..c023fc1 100644 --- a/arch/arm/lib/putuser.S +++ b/arch/arm/lib/putuser.S @@ -28,35 +28,51 @@ */ #include <linux/linkage.h> #include <asm/errno.h> +#include <asm/domain.h> ENTRY(__put_user_1) -1: strbt r2, [r0] +1: T(strb) r2, [r0] mov r0, #0 mov pc, lr ENDPROC(__put_user_1) ENTRY(__put_user_2) mov ip, r2, lsr #8 +#ifdef CONFIG_THUMB2_KERNEL #ifndef __ARMEB__ -2: strbt r2, [r0], #1 -3: strbt ip, [r0] +2: T(strb) r2, [r0] +3: T(strb) ip, [r0, #1] #else -2: strbt ip, [r0], #1 -3: strbt r2, [r0] +2: T(strb) ip, [r0] +3: T(strb) r2, [r0, #1] #endif +#else /* !CONFIG_THUMB2_KERNEL */ +#ifndef __ARMEB__ +2: T(strb) r2, [r0], #1 +3: T(strb) ip, [r0] +#else +2: T(strb) ip, [r0], #1 +3: T(strb) r2, [r0] +#endif +#endif /* CONFIG_THUMB2_KERNEL */ mov r0, #0 mov pc, lr ENDPROC(__put_user_2) ENTRY(__put_user_4) -4: strt r2, [r0] +4: T(str) r2, [r0] mov r0, #0 mov pc, lr ENDPROC(__put_user_4) ENTRY(__put_user_8) -5: strt r2, [r0], #4 -6: strt r3, [r0] +#ifdef CONFIG_THUMB2_KERNEL +5: T(str) r2, [r0] +6: T(str) r3, [r0, #4] +#else +5: T(str) r2, [r0], #4 +6: T(str) r3, [r0] +#endif mov r0, #0 mov pc, lr ENDPROC(__put_user_8) @@ -66,11 +82,11 @@ __put_user_bad: mov pc, lr ENDPROC(__put_user_bad) -.section __ex_table, "a" +.pushsection __ex_table, "a" .long 1b, __put_user_bad .long 2b, __put_user_bad .long 3b, __put_user_bad .long 4b, __put_user_bad .long 5b, __put_user_bad .long 6b, __put_user_bad -.previous +.popsection diff --git a/arch/arm/lib/sha1.S b/arch/arm/lib/sha1.S index a16fb20..eb0edb8 100644 --- a/arch/arm/lib/sha1.S +++ b/arch/arm/lib/sha1.S @@ -3,7 +3,7 @@ * * SHA transform optimized for ARM * - * Copyright: (C) 2005 by Nicolas Pitre <nico@cam.org> + * Copyright: (C) 2005 by Nicolas Pitre <nico@fluxnic.net> * Created: September 17, 2005 * * This program is free software; you can redistribute it and/or modify @@ -187,6 +187,7 @@ ENTRY(sha_transform) ENDPROC(sha_transform) + .align 2 .L_sha_K: .word 0x5a827999, 0x6ed9eba1, 0x8f1bbcdc, 0xca62c1d6 @@ -195,6 +196,7 @@ ENDPROC(sha_transform) * void sha_init(__u32 *buf) */ + .align 2 .L_sha_initial_digest: .word 0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0 diff --git a/arch/arm/lib/strncpy_from_user.S b/arch/arm/lib/strncpy_from_user.S index 330373c..f202d7b 100644 --- a/arch/arm/lib/strncpy_from_user.S +++ b/arch/arm/lib/strncpy_from_user.S @@ -23,7 +23,7 @@ ENTRY(__strncpy_from_user) mov ip, r1 1: subs r2, r2, #1 -USER( ldrplbt r3, [r1], #1) + ldrusr r3, r1, 1, pl bmi 2f strb r3, [r0], #1 teq r3, #0 @@ -33,11 +33,11 @@ USER( ldrplbt r3, [r1], #1) mov pc, lr ENDPROC(__strncpy_from_user) - .section .fixup,"ax" + .pushsection .fixup,"ax" .align 0 9001: mov r3, #0 strb r3, [r0, #0] @ null terminate mov r0, #-EFAULT mov pc, lr - .previous + .popsection diff --git a/arch/arm/lib/strnlen_user.S b/arch/arm/lib/strnlen_user.S index 90bb9d0..0ecbb45 100644 --- a/arch/arm/lib/strnlen_user.S +++ b/arch/arm/lib/strnlen_user.S @@ -23,7 +23,7 @@ ENTRY(__strnlen_user) mov r2, r0 1: -USER( ldrbt r3, [r0], #1) + ldrusr r3, r0, 1 teq r3, #0 beq 2f subs r1, r1, #1 @@ -33,8 +33,8 @@ USER( ldrbt r3, [r0], #1) mov pc, lr ENDPROC(__strnlen_user) - .section .fixup,"ax" + .pushsection .fixup,"ax" .align 0 9001: mov r0, #0 mov pc, lr - .previous + .popsection diff --git a/arch/arm/lib/uaccess.S b/arch/arm/lib/uaccess.S index ffdd274..d0ece2a 100644 --- a/arch/arm/lib/uaccess.S +++ b/arch/arm/lib/uaccess.S @@ -14,6 +14,7 @@ #include <linux/linkage.h> #include <asm/assembler.h> #include <asm/errno.h> +#include <asm/domain.h> .text @@ -31,11 +32,11 @@ rsb ip, ip, #4 cmp ip, #2 ldrb r3, [r1], #1 -USER( strbt r3, [r0], #1) @ May fault +USER( T(strb) r3, [r0], #1) @ May fault ldrgeb r3, [r1], #1 -USER( strgebt r3, [r0], #1) @ May fault +USER( T(strgeb) r3, [r0], #1) @ May fault ldrgtb r3, [r1], #1 -USER( strgtbt r3, [r0], #1) @ May fault +USER( T(strgtb) r3, [r0], #1) @ May fault sub r2, r2, ip b .Lc2u_dest_aligned @@ -58,7 +59,7 @@ ENTRY(__copy_to_user) addmi ip, r2, #4 bmi .Lc2u_0nowords ldr r3, [r1], #4 -USER( strt r3, [r0], #4) @ May fault +USER( T(str) r3, [r0], #4) @ May fault mov ip, r0, lsl #32 - PAGE_SHIFT @ On each page, use a ld/st??t instruction rsb ip, ip, #0 movs ip, ip, lsr #32 - PAGE_SHIFT @@ -87,18 +88,18 @@ USER( strt r3, [r0], #4) @ May fault stmneia r0!, {r3 - r4} @ Shouldnt fault tst ip, #4 ldrne r3, [r1], #4 - strnet r3, [r0], #4 @ Shouldnt fault + T(strne) r3, [r0], #4 @ Shouldnt fault ands ip, ip, #3 beq .Lc2u_0fupi .Lc2u_0nowords: teq ip, #0 beq .Lc2u_finished .Lc2u_nowords: cmp ip, #2 ldrb r3, [r1], #1 -USER( strbt r3, [r0], #1) @ May fault +USER( T(strb) r3, [r0], #1) @ May fault ldrgeb r3, [r1], #1 -USER( strgebt r3, [r0], #1) @ May fault +USER( T(strgeb) r3, [r0], #1) @ May fault ldrgtb r3, [r1], #1 -USER( strgtbt r3, [r0], #1) @ May fault +USER( T(strgtb) r3, [r0], #1) @ May fault b .Lc2u_finished .Lc2u_not_enough: @@ -119,7 +120,7 @@ USER( strgtbt r3, [r0], #1) @ May fault mov r3, r7, pull #8 ldr r7, [r1], #4 orr r3, r3, r7, push #24 -USER( strt r3, [r0], #4) @ May fault +USER( T(str) r3, [r0], #4) @ May fault mov ip, r0, lsl #32 - PAGE_SHIFT rsb ip, ip, #0 movs ip, ip, lsr #32 - PAGE_SHIFT @@ -154,18 +155,18 @@ USER( strt r3, [r0], #4) @ May fault movne r3, r7, pull #8 ldrne r7, [r1], #4 orrne r3, r3, r7, push #24 - strnet r3, [r0], #4 @ Shouldnt fault + T(strne) r3, [r0], #4 @ Shouldnt fault ands ip, ip, #3 beq .Lc2u_1fupi .Lc2u_1nowords: mov r3, r7, get_byte_1 teq ip, #0 beq .Lc2u_finished cmp ip, #2 -USER( strbt r3, [r0], #1) @ May fault +USER( T(strb) r3, [r0], #1) @ May fault movge r3, r7, get_byte_2 -USER( strgebt r3, [r0], #1) @ May fault +USER( T(strgeb) r3, [r0], #1) @ May fault movgt r3, r7, get_byte_3 -USER( strgtbt r3, [r0], #1) @ May fault +USER( T(strgtb) r3, [r0], #1) @ May fault b .Lc2u_finished .Lc2u_2fupi: subs r2, r2, #4 @@ -174,7 +175,7 @@ USER( strgtbt r3, [r0], #1) @ May fault mov r3, r7, pull #16 ldr r7, [r1], #4 orr r3, r3, r7, push #16 -USER( strt r3, [r0], #4) @ May fault +USER( T(str) r3, [r0], #4) @ May fault mov ip, r0, lsl #32 - PAGE_SHIFT rsb ip, ip, #0 movs ip, ip, lsr #32 - PAGE_SHIFT @@ -209,18 +210,18 @@ USER( strt r3, [r0], #4) @ May fault movne r3, r7, pull #16 ldrne r7, [r1], #4 orrne r3, r3, r7, push #16 - strnet r3, [r0], #4 @ Shouldnt fault + T(strne) r3, [r0], #4 @ Shouldnt fault ands ip, ip, #3 beq .Lc2u_2fupi .Lc2u_2nowords: mov r3, r7, get_byte_2 teq ip, #0 beq .Lc2u_finished cmp ip, #2 -USER( strbt r3, [r0], #1) @ May fault +USER( T(strb) r3, [r0], #1) @ May fault movge r3, r7, get_byte_3 -USER( strgebt r3, [r0], #1) @ May fault +USER( T(strgeb) r3, [r0], #1) @ May fault ldrgtb r3, [r1], #0 -USER( strgtbt r3, [r0], #1) @ May fault +USER( T(strgtb) r3, [r0], #1) @ May fault b .Lc2u_finished .Lc2u_3fupi: subs r2, r2, #4 @@ -229,7 +230,7 @@ USER( strgtbt r3, [r0], #1) @ May fault mov r3, r7, pull #24 ldr r7, [r1], #4 orr r3, r3, r7, push #8 -USER( strt r3, [r0], #4) @ May fault +USER( T(str) r3, [r0], #4) @ May fault mov ip, r0, lsl #32 - PAGE_SHIFT rsb ip, ip, #0 movs ip, ip, lsr #32 - PAGE_SHIFT @@ -264,25 +265,25 @@ USER( strt r3, [r0], #4) @ May fault movne r3, r7, pull #24 ldrne r7, [r1], #4 orrne r3, r3, r7, push #8 - strnet r3, [r0], #4 @ Shouldnt fault + T(strne) r3, [r0], #4 @ Shouldnt fault ands ip, ip, #3 beq .Lc2u_3fupi .Lc2u_3nowords: mov r3, r7, get_byte_3 teq ip, #0 beq .Lc2u_finished cmp ip, #2 -USER( strbt r3, [r0], #1) @ May fault +USER( T(strb) r3, [r0], #1) @ May fault ldrgeb r3, [r1], #1 -USER( strgebt r3, [r0], #1) @ May fault +USER( T(strgeb) r3, [r0], #1) @ May fault ldrgtb r3, [r1], #0 -USER( strgtbt r3, [r0], #1) @ May fault +USER( T(strgtb) r3, [r0], #1) @ May fault b .Lc2u_finished ENDPROC(__copy_to_user) - .section .fixup,"ax" + .pushsection .fixup,"ax" .align 0 9001: ldmfd sp!, {r0, r4 - r7, pc} - .previous + .popsection /* Prototype: unsigned long __copy_from_user(void *to,const void *from,unsigned long n); * Purpose : copy a block from user memory to kernel memory @@ -294,11 +295,11 @@ ENDPROC(__copy_to_user) .Lcfu_dest_not_aligned: rsb ip, ip, #4 cmp ip, #2 -USER( ldrbt r3, [r1], #1) @ May fault +USER( T(ldrb) r3, [r1], #1) @ May fault strb r3, [r0], #1 -USER( ldrgebt r3, [r1], #1) @ May fault +USER( T(ldrgeb) r3, [r1], #1) @ May fault strgeb r3, [r0], #1 -USER( ldrgtbt r3, [r1], #1) @ May fault +USER( T(ldrgtb) r3, [r1], #1) @ May fault strgtb r3, [r0], #1 sub r2, r2, ip b .Lcfu_dest_aligned @@ -321,7 +322,7 @@ ENTRY(__copy_from_user) .Lcfu_0fupi: subs r2, r2, #4 addmi ip, r2, #4 bmi .Lcfu_0nowords -USER( ldrt r3, [r1], #4) +USER( T(ldr) r3, [r1], #4) str r3, [r0], #4 mov ip, r1, lsl #32 - PAGE_SHIFT @ On each page, use a ld/st??t instruction rsb ip, ip, #0 @@ -350,18 +351,18 @@ USER( ldrt r3, [r1], #4) ldmneia r1!, {r3 - r4} @ Shouldnt fault stmneia r0!, {r3 - r4} tst ip, #4 - ldrnet r3, [r1], #4 @ Shouldnt fault + T(ldrne) r3, [r1], #4 @ Shouldnt fault strne r3, [r0], #4 ands ip, ip, #3 beq .Lcfu_0fupi .Lcfu_0nowords: teq ip, #0 beq .Lcfu_finished .Lcfu_nowords: cmp ip, #2 -USER( ldrbt r3, [r1], #1) @ May fault +USER( T(ldrb) r3, [r1], #1) @ May fault strb r3, [r0], #1 -USER( ldrgebt r3, [r1], #1) @ May fault +USER( T(ldrgeb) r3, [r1], #1) @ May fault strgeb r3, [r0], #1 -USER( ldrgtbt r3, [r1], #1) @ May fault +USER( T(ldrgtb) r3, [r1], #1) @ May fault strgtb r3, [r0], #1 b .Lcfu_finished @@ -374,7 +375,7 @@ USER( ldrgtbt r3, [r1], #1) @ May fault .Lcfu_src_not_aligned: bic r1, r1, #3 -USER( ldrt r7, [r1], #4) @ May fault +USER( T(ldr) r7, [r1], #4) @ May fault cmp ip, #2 bgt .Lcfu_3fupi beq .Lcfu_2fupi @@ -382,7 +383,7 @@ USER( ldrt r7, [r1], #4) @ May fault addmi ip, r2, #4 bmi .Lcfu_1nowords mov r3, r7, pull #8 -USER( ldrt r7, [r1], #4) @ May fault +USER( T(ldr) r7, [r1], #4) @ May fault orr r3, r3, r7, push #24 str r3, [r0], #4 mov ip, r1, lsl #32 - PAGE_SHIFT @@ -417,7 +418,7 @@ USER( ldrt r7, [r1], #4) @ May fault stmneia r0!, {r3 - r4} tst ip, #4 movne r3, r7, pull #8 -USER( ldrnet r7, [r1], #4) @ May fault +USER( T(ldrne) r7, [r1], #4) @ May fault orrne r3, r3, r7, push #24 strne r3, [r0], #4 ands ip, ip, #3 @@ -437,7 +438,7 @@ USER( ldrnet r7, [r1], #4) @ May fault addmi ip, r2, #4 bmi .Lcfu_2nowords mov r3, r7, pull #16 -USER( ldrt r7, [r1], #4) @ May fault +USER( T(ldr) r7, [r1], #4) @ May fault orr r3, r3, r7, push #16 str r3, [r0], #4 mov ip, r1, lsl #32 - PAGE_SHIFT @@ -473,7 +474,7 @@ USER( ldrt r7, [r1], #4) @ May fault stmneia r0!, {r3 - r4} tst ip, #4 movne r3, r7, pull #16 -USER( ldrnet r7, [r1], #4) @ May fault +USER( T(ldrne) r7, [r1], #4) @ May fault orrne r3, r3, r7, push #16 strne r3, [r0], #4 ands ip, ip, #3 @@ -485,7 +486,7 @@ USER( ldrnet r7, [r1], #4) @ May fault strb r3, [r0], #1 movge r3, r7, get_byte_3 strgeb r3, [r0], #1 -USER( ldrgtbt r3, [r1], #0) @ May fault +USER( T(ldrgtb) r3, [r1], #0) @ May fault strgtb r3, [r0], #1 b .Lcfu_finished @@ -493,7 +494,7 @@ USER( ldrgtbt r3, [r1], #0) @ May fault addmi ip, r2, #4 bmi .Lcfu_3nowords mov r3, r7, pull #24 -USER( ldrt r7, [r1], #4) @ May fault +USER( T(ldr) r7, [r1], #4) @ May fault orr r3, r3, r7, push #8 str r3, [r0], #4 mov ip, r1, lsl #32 - PAGE_SHIFT @@ -528,7 +529,7 @@ USER( ldrt r7, [r1], #4) @ May fault stmneia r0!, {r3 - r4} tst ip, #4 movne r3, r7, pull #24 -USER( ldrnet r7, [r1], #4) @ May fault +USER( T(ldrne) r7, [r1], #4) @ May fault orrne r3, r3, r7, push #8 strne r3, [r0], #4 ands ip, ip, #3 @@ -538,14 +539,14 @@ USER( ldrnet r7, [r1], #4) @ May fault beq .Lcfu_finished cmp ip, #2 strb r3, [r0], #1 -USER( ldrgebt r3, [r1], #1) @ May fault +USER( T(ldrgeb) r3, [r1], #1) @ May fault strgeb r3, [r0], #1 -USER( ldrgtbt r3, [r1], #1) @ May fault +USER( T(ldrgtb) r3, [r1], #1) @ May fault strgtb r3, [r0], #1 b .Lcfu_finished ENDPROC(__copy_from_user) - .section .fixup,"ax" + .pushsection .fixup,"ax" .align 0 /* * We took an exception. r0 contains a pointer to @@ -559,5 +560,5 @@ ENDPROC(__copy_from_user) blne __memzero mov r0, r4 ldmfd sp!, {r4 - r7, pc} - .previous + .popsection diff --git a/arch/arm/lib/uaccess_with_memcpy.c b/arch/arm/lib/uaccess_with_memcpy.c index 6b967ff..e2d2f2c 100644 --- a/arch/arm/lib/uaccess_with_memcpy.c +++ b/arch/arm/lib/uaccess_with_memcpy.c @@ -16,6 +16,7 @@ #include <linux/mm.h> #include <linux/sched.h> #include <linux/hardirq.h> /* for in_atomic() */ +#include <linux/gfp.h> #include <asm/current.h> #include <asm/page.h> |