openssl/crypto/armv4cpuid.S - Issue 2072073002: Delete bundled copy of OpenSSL and replace with README.

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Issue 2072073002: Delete bundled copy of OpenSSL and replace with README. (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master

Patch Set: Delete bundled copy of OpenSSL and replace with README. Created 4 years, 6 months ago

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1 #include "arm_arch.h"

2

3 .text

4 .code 32

5

6 .align 5

7 .global _armv7_neon_probe

8 .type _armv7_neon_probe,%function

9 _armv7_neon_probe:

10 .word 0xf26ee1fe @ vorr q15,q15,q15

11 .word 0xe12fff1e @ bx lr

12 .size _armv7_neon_probe,.-_armv7_neon_probe

13

14 .global _armv7_tick

15 .type _armv7_tick,%function

16 _armv7_tick:

17 mrc p15,0,r0,c9,c13,0

18 .word 0xe12fff1e @ bx lr

19 .size _armv7_tick,.-_armv7_tick

20

21 .global OPENSSL_atomic_add

22 .type OPENSSL_atomic_add,%function

23 OPENSSL_atomic_add:

24 #if __ARM_ARCH__>=6

25 .Ladd: ldrex r2,[r0]

26 add r3,r2,r1

27 strex r2,r3,[r0]

28 cmp r2,#0

29 bne .Ladd

30 mov r0,r3

31 .word 0xe12fff1e @ bx lr

32 #else

33 stmdb sp!,{r4-r6,lr}

34 ldr r2,.Lspinlock

35 adr r3,.Lspinlock

36 mov r4,r0

37 mov r5,r1

38 add r6,r3,r2 @ &spinlock

39 b .+8

40 .Lspin: bl sched_yield

41 mov r0,#-1

42 swp r0,r0,[r6]

43 cmp r0,#0

44 bne .Lspin

45

46 ldr r2,[r4]

47 add r2,r2,r5

48 str r2,[r4]

49 str r0,[r6] @ release spinlock

50 ldmia sp!,{r4-r6,lr}

51 tst lr,#1

52 moveq pc,lr

53 .word 0xe12fff1e @ bx lr

54 #endif

55 .size OPENSSL_atomic_add,.-OPENSSL_atomic_add

56

57 .global OPENSSL_cleanse

58 .type OPENSSL_cleanse,%function

59 OPENSSL_cleanse:

60 eor ip,ip,ip

61 cmp r1,#7

62 subhs r1,r1,#4

63 bhs .Lot

64 cmp r1,#0

65 beq .Lcleanse_done

66 .Little:

67 strb ip,[r0],#1

68 subs r1,r1,#1

69 bhi .Little

70 b .Lcleanse_done

71

72 .Lot: tst r0,#3

73 beq .Laligned

74 strb ip,[r0],#1

75 sub r1,r1,#1

76 b .Lot

77 .Laligned:

78 str ip,[r0],#4

79 subs r1,r1,#4

80 bhs .Laligned

81 adds r1,r1,#4

82 bne .Little

83 .Lcleanse_done:

84 tst lr,#1

85 moveq pc,lr

86 .word 0xe12fff1e @ bx lr

87 .size OPENSSL_cleanse,.-OPENSSL_cleanse

88

89 .global OPENSSL_wipe_cpu

90 .type OPENSSL_wipe_cpu,%function

91 OPENSSL_wipe_cpu:

92 ldr r0,.LOPENSSL_armcap

93 adr r1,.LOPENSSL_armcap

94 ldr r0,[r1,r0]

95 eor r2,r2,r2

96 eor r3,r3,r3

97 eor ip,ip,ip

98 tst r0,#1

99 beq .Lwipe_done

100 .word 0xf3000150 @ veor q0, q0, q0

101 .word 0xf3022152 @ veor q1, q1, q1

102 .word 0xf3044154 @ veor q2, q2, q2

103 .word 0xf3066156 @ veor q3, q3, q3

104 .word 0xf34001f0 @ veor q8, q8, q8

105 .word 0xf34221f2 @ veor q9, q9, q9

106 .word 0xf34441f4 @ veor q10, q10, q10

107 .word 0xf34661f6 @ veor q11, q11, q11

108 .word 0xf34881f8 @ veor q12, q12, q12

109 .word 0xf34aa1fa @ veor q13, q13, q13

110 .word 0xf34cc1fc @ veor q14, q14, q14

111 .word 0xf34ee1fe @ veor q15, q15, q15

112 .Lwipe_done:

113 mov r0,sp

114 tst lr,#1

115 moveq pc,lr

116 .word 0xe12fff1e @ bx lr

117 .size OPENSSL_wipe_cpu,.-OPENSSL_wipe_cpu

118

119 .global OPENSSL_instrument_bus

120 .type OPENSSL_instrument_bus,%function

121 OPENSSL_instrument_bus:

122 eor r0,r0,r0

123 tst lr,#1

124 moveq pc,lr

125 .word 0xe12fff1e @ bx lr

126 .size OPENSSL_instrument_bus,.-OPENSSL_instrument_bus

127

128 .global OPENSSL_instrument_bus2

129 .type OPENSSL_instrument_bus2,%function

130 OPENSSL_instrument_bus2:

131 eor r0,r0,r0

132 tst lr,#1

133 moveq pc,lr

134 .word 0xe12fff1e @ bx lr

135 .size OPENSSL_instrument_bus2,.-OPENSSL_instrument_bus2

136

137 .align 5

138 .LOPENSSL_armcap:

139 .word OPENSSL_armcap_P-.LOPENSSL_armcap

140 #if __ARM_ARCH__>=6

141 .align 5

142 #else

143 .Lspinlock:

144 .word atomic_add_spinlock-.Lspinlock

145 .align 5

146

147 .data

148 .align 2

149 atomic_add_spinlock:

150 .word 0

151 #endif

152

153 .comm OPENSSL_armcap_P,4,4

154 .hidden OPENSSL_armcap_P

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