Hi Arnd, On 12 January 2017 at 19:04, kbuild test robot <fengguang.wu@xxxxxxxxx> wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master > head: 1abee99eafab67fb1c98f9ecfc43cd5735384a86 > commit: 81edb42629758bacdf813dd5e4542ae26e3ad73a [43/44] crypto: arm/aes - replace scalar AES cipher > config: arm-multi_v7_defconfig (attached as .config) > compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705 > reproduce: > wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > git checkout 81edb42629758bacdf813dd5e4542ae26e3ad73a > # save the attached .config to linux build tree > make.cross ARCH=arm > > All errors (new ones prefixed by >>): > > arch/arm/crypto/aes-cipher-core.S: Assembler messages: >>> arch/arm/crypto/aes-cipher-core.S:21: Error: selected processor does not support `tt .req ip' in ARM mode Did you ever see this error? This is very odd: .req simply declares an alias for a register name, and this works fine locally >>> arch/arm/crypto/aes-cipher-core.S:174: Error: ARM register expected -- `movw tt,#:lower16:crypto_ft_tab' >>> arch/arm/crypto/aes-cipher-core.S:174: Error: ARM register expected -- `movt tt,#:upper16:crypto_ft_tab' >>> arch/arm/crypto/aes-cipher-core.S:174: Error: ARM register expected -- `ldr r8,[tt,r8,lsl#2]' >>> arch/arm/crypto/aes-cipher-core.S:174: Error: ARM register expected -- `ldr t0,[tt,t0,lsl#2]' >>> arch/arm/crypto/aes-cipher-core.S:174: Error: ARM register expected -- `ldr r9,[tt,r9,lsl#2]' >>> arch/arm/crypto/aes-cipher-core.S:174: Error: ARM register expected -- `ldr t1,[tt,t1,lsl#2]' >>> arch/arm/crypto/aes-cipher-core.S:174: Error: ARM register expected -- `ldr t2,[tt,t2,lsl#2]' >>> arch/arm/crypto/aes-cipher-core.S:174: Error: ARM register expected -- `ldr r10,[tt,r10,lsl#2]' >>> arch/arm/crypto/aes-cipher-core.S:174: Error: ARM register expected -- `ldr t0,[tt,t0,lsl#2]' >>> arch/arm/crypto/aes-cipher-core.S:174: Error: ARM register expected -- `ldr r11,[tt,r11,lsl#2]' >>> arch/arm/crypto/aes-cipher-core.S:174: Error: ARM register expected -- `ldr r10,[tt,r10,lsl#2]' >>> arch/arm/crypto/aes-cipher-core.S:174: Error: ARM register expected -- `ldr t0,[tt,t0,lsl#2]' >>> arch/arm/crypto/aes-cipher-core.S:174: Error: ARM register expected -- `ldr r11,[tt,r11,lsl#2]' >>> arch/arm/crypto/aes-cipher-core.S:174: Error: ARM register expected -- `ldr t1,[tt,t1,lsl#2]' >>> arch/arm/crypto/aes-cipher-core.S:174: Error: ARM register expected -- `ldr t2,[tt,t2,lsl#2]' >>> arch/arm/crypto/aes-cipher-core.S:174: Error: ARM register expected -- `ldr r5,[tt,r5,lsl#2]' >>> arch/arm/crypto/aes-cipher-core.S:174: Error: ARM register expected -- `ldr t0,[tt,t0,lsl#2]' >>> arch/arm/crypto/aes-cipher-core.S:174: Error: ARM register expected -- `ldr r6,[tt,r6,lsl#2]' >>> arch/arm/crypto/aes-cipher-core.S:174: Error: ARM register expected -- `ldr r4,[tt,r4,lsl#2]' > > vim +21 arch/arm/crypto/aes-cipher-core.S > > 15 .align 5 > 16 > 17 rk .req r0 > 18 rounds .req r1 > 19 in .req r2 > 20 out .req r3 > > 21 tt .req ip > 22 > 23 t0 .req lr > 24 t1 .req r2 > 25 t2 .req r3 > 26 > 27 .macro __select, out, in, idx > 28 .if __LINUX_ARM_ARCH__ < 7 > 29 and \out, \in, #0xff << (8 * \idx) > 30 .else > 31 ubfx \out, \in, #(8 * \idx), #8 > 32 .endif > 33 .endm > 34 > 35 .macro __load, out, in, idx > 36 .if __LINUX_ARM_ARCH__ < 7 && \idx > 0 > 37 ldr \out, [tt, \in, lsr #(8 * \idx) - 2] > 38 .else > 39 ldr \out, [tt, \in, lsl #2] > 40 .endif > 41 .endm > 42 > 43 .macro __hround, out0, out1, in0, in1, in2, in3, t3, t4, enc > 44 __select \out0, \in0, 0 > 45 __select t0, \in1, 1 > 46 __load \out0, \out0, 0 > 47 __load t0, t0, 1 > 48 > 49 .if \enc > 50 __select \out1, \in1, 0 > 51 __select t1, \in2, 1 > 52 .else > 53 __select \out1, \in3, 0 > 54 __select t1, \in0, 1 > 55 .endif > 56 __load \out1, \out1, 0 > 57 __select t2, \in2, 2 > 58 __load t1, t1, 1 > 59 __load t2, t2, 2 > 60 > 61 eor \out0, \out0, t0, ror #24 > 62 > 63 __select t0, \in3, 3 > 64 .if \enc > 65 __select \t3, \in3, 2 > 66 __select \t4, \in0, 3 > 67 .else > 68 __select \t3, \in1, 2 > 69 __select \t4, \in2, 3 > 70 .endif > 71 __load \t3, \t3, 2 > 72 __load t0, t0, 3 > 73 __load \t4, \t4, 3 > 74 > 75 eor \out1, \out1, t1, ror #24 > 76 eor \out0, \out0, t2, ror #16 > 77 ldm rk!, {t1, t2} > 78 eor \out1, \out1, \t3, ror #16 > 79 eor \out0, \out0, t0, ror #8 > 80 eor \out1, \out1, \t4, ror #8 > 81 eor \out0, \out0, t1 > 82 eor \out1, \out1, t2 > 83 .endm > 84 > 85 .macro fround, out0, out1, out2, out3, in0, in1, in2, in3 > 86 __hround \out0, \out1, \in0, \in1, \in2, \in3, \out2, \out3, 1 > 87 __hround \out2, \out3, \in2, \in3, \in0, \in1, \in1, \in2, 1 > 88 .endm > 89 > 90 .macro iround, out0, out1, out2, out3, in0, in1, in2, in3 > 91 __hround \out0, \out1, \in0, \in3, \in2, \in1, \out2, \out3, 0 > 92 __hround \out2, \out3, \in2, \in1, \in0, \in3, \in1, \in0, 0 > 93 .endm > 94 > 95 .macro __rev, out, in > 96 .if __LINUX_ARM_ARCH__ < 6 > 97 lsl t0, \in, #24 > 98 and t1, \in, #0xff00 > 99 and t2, \in, #0xff0000 > 100 orr \out, t0, \in, lsr #24 > 101 orr \out, \out, t1, lsl #8 > 102 orr \out, \out, t2, lsr #8 > 103 .else > 104 rev \out, \in > 105 .endif > 106 .endm > 107 > 108 .macro __adrl, out, sym, c > 109 .if __LINUX_ARM_ARCH__ < 7 > 110 ldr\c \out, =\sym > 111 .else > 112 movw\c \out, #:lower16:\sym > 113 movt\c \out, #:upper16:\sym > 114 .endif > 115 .endm > 116 > 117 .macro do_crypt, round, ttab, ltab > 118 push {r3-r11, lr} > 119 > 120 ldr r4, [in] > 121 ldr r5, [in, #4] > 122 ldr r6, [in, #8] > 123 ldr r7, [in, #12] > 124 > 125 ldm rk!, {r8-r11} > 126 > 127 #ifdef CONFIG_CPU_BIG_ENDIAN > 128 __rev r4, r4 > 129 __rev r5, r5 > 130 __rev r6, r6 > 131 __rev r7, r7 > 132 #endif > 133 > 134 eor r4, r4, r8 > 135 eor r5, r5, r9 > 136 eor r6, r6, r10 > 137 eor r7, r7, r11 > 138 > 139 __adrl tt, \ttab > 140 > 141 tst rounds, #2 > 142 bne 1f > 143 > 144 0: \round r8, r9, r10, r11, r4, r5, r6, r7 > 145 \round r4, r5, r6, r7, r8, r9, r10, r11 > 146 > 147 1: subs rounds, rounds, #4 > 148 \round r8, r9, r10, r11, r4, r5, r6, r7 > 149 __adrl tt, \ltab, ls > 150 \round r4, r5, r6, r7, r8, r9, r10, r11 > 151 bhi 0b > 152 > 153 #ifdef CONFIG_CPU_BIG_ENDIAN > 154 __rev r4, r4 > 155 __rev r5, r5 > 156 __rev r6, r6 > 157 __rev r7, r7 > 158 #endif > 159 > 160 ldr out, [sp] > 161 > 162 str r4, [out] > 163 str r5, [out, #4] > 164 str r6, [out, #8] > 165 str r7, [out, #12] > 166 > 167 pop {r3-r11, pc} > 168 > 169 .align 3 > 170 .ltorg > 171 .endm > 172 > 173 ENTRY(__aes_arm_encrypt) > > 174 do_crypt fround, crypto_ft_tab, crypto_fl_tab > 175 ENDPROC(__aes_arm_encrypt) > 176 > 177 ENTRY(__aes_arm_decrypt) > > 178 do_crypt iround, crypto_it_tab, crypto_il_tab > 179 ENDPROC(__aes_arm_decrypt) > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
