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path: root/main/openssl/crypto/armv4cpuid.S
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Diffstat (limited to 'main/openssl/crypto/armv4cpuid.S')
-rw-r--r--main/openssl/crypto/armv4cpuid.S154
1 files changed, 154 insertions, 0 deletions
diff --git a/main/openssl/crypto/armv4cpuid.S b/main/openssl/crypto/armv4cpuid.S
new file mode 100644
index 00000000..2d618dea
--- /dev/null
+++ b/main/openssl/crypto/armv4cpuid.S
@@ -0,0 +1,154 @@
+#include "arm_arch.h"
+
+.text
+.code 32
+
+.align 5
+.global _armv7_neon_probe
+.type _armv7_neon_probe,%function
+_armv7_neon_probe:
+ .word 0xf26ee1fe @ vorr q15,q15,q15
+ .word 0xe12fff1e @ bx lr
+.size _armv7_neon_probe,.-_armv7_neon_probe
+
+.global _armv7_tick
+.type _armv7_tick,%function
+_armv7_tick:
+ mrc p15,0,r0,c9,c13,0
+ .word 0xe12fff1e @ bx lr
+.size _armv7_tick,.-_armv7_tick
+
+.global OPENSSL_atomic_add
+.type OPENSSL_atomic_add,%function
+OPENSSL_atomic_add:
+#if __ARM_ARCH__>=6
+.Ladd: ldrex r2,[r0]
+ add r3,r2,r1
+ strex r2,r3,[r0]
+ cmp r2,#0
+ bne .Ladd
+ mov r0,r3
+ .word 0xe12fff1e @ bx lr
+#else
+ stmdb sp!,{r4-r6,lr}
+ ldr r2,.Lspinlock
+ adr r3,.Lspinlock
+ mov r4,r0
+ mov r5,r1
+ add r6,r3,r2 @ &spinlock
+ b .+8
+.Lspin: bl sched_yield
+ mov r0,#-1
+ swp r0,r0,[r6]
+ cmp r0,#0
+ bne .Lspin
+
+ ldr r2,[r4]
+ add r2,r2,r5
+ str r2,[r4]
+ str r0,[r6] @ release spinlock
+ ldmia sp!,{r4-r6,lr}
+ tst lr,#1
+ moveq pc,lr
+ .word 0xe12fff1e @ bx lr
+#endif
+.size OPENSSL_atomic_add,.-OPENSSL_atomic_add
+
+.global OPENSSL_cleanse
+.type OPENSSL_cleanse,%function
+OPENSSL_cleanse:
+ eor ip,ip,ip
+ cmp r1,#7
+ subhs r1,r1,#4
+ bhs .Lot
+ cmp r1,#0
+ beq .Lcleanse_done
+.Little:
+ strb ip,[r0],#1
+ subs r1,r1,#1
+ bhi .Little
+ b .Lcleanse_done
+
+.Lot: tst r0,#3
+ beq .Laligned
+ strb ip,[r0],#1
+ sub r1,r1,#1
+ b .Lot
+.Laligned:
+ str ip,[r0],#4
+ subs r1,r1,#4
+ bhs .Laligned
+ adds r1,r1,#4
+ bne .Little
+.Lcleanse_done:
+ tst lr,#1
+ moveq pc,lr
+ .word 0xe12fff1e @ bx lr
+.size OPENSSL_cleanse,.-OPENSSL_cleanse
+
+.global OPENSSL_wipe_cpu
+.type OPENSSL_wipe_cpu,%function
+OPENSSL_wipe_cpu:
+ ldr r0,.LOPENSSL_armcap
+ adr r1,.LOPENSSL_armcap
+ ldr r0,[r1,r0]
+ eor r2,r2,r2
+ eor r3,r3,r3
+ eor ip,ip,ip
+ tst r0,#1
+ beq .Lwipe_done
+ .word 0xf3000150 @ veor q0, q0, q0
+ .word 0xf3022152 @ veor q1, q1, q1
+ .word 0xf3044154 @ veor q2, q2, q2
+ .word 0xf3066156 @ veor q3, q3, q3
+ .word 0xf34001f0 @ veor q8, q8, q8
+ .word 0xf34221f2 @ veor q9, q9, q9
+ .word 0xf34441f4 @ veor q10, q10, q10
+ .word 0xf34661f6 @ veor q11, q11, q11
+ .word 0xf34881f8 @ veor q12, q12, q12
+ .word 0xf34aa1fa @ veor q13, q13, q13
+ .word 0xf34cc1fc @ veor q14, q14, q14
+ .word 0xf34ee1fe @ veor q15, q15, q15
+.Lwipe_done:
+ mov r0,sp
+ tst lr,#1
+ moveq pc,lr
+ .word 0xe12fff1e @ bx lr
+.size OPENSSL_wipe_cpu,.-OPENSSL_wipe_cpu
+
+.global OPENSSL_instrument_bus
+.type OPENSSL_instrument_bus,%function
+OPENSSL_instrument_bus:
+ eor r0,r0,r0
+ tst lr,#1
+ moveq pc,lr
+ .word 0xe12fff1e @ bx lr
+.size OPENSSL_instrument_bus,.-OPENSSL_instrument_bus
+
+.global OPENSSL_instrument_bus2
+.type OPENSSL_instrument_bus2,%function
+OPENSSL_instrument_bus2:
+ eor r0,r0,r0
+ tst lr,#1
+ moveq pc,lr
+ .word 0xe12fff1e @ bx lr
+.size OPENSSL_instrument_bus2,.-OPENSSL_instrument_bus2
+
+.align 5
+.LOPENSSL_armcap:
+.word OPENSSL_armcap_P-.LOPENSSL_armcap
+#if __ARM_ARCH__>=6
+.align 5
+#else
+.Lspinlock:
+.word atomic_add_spinlock-.Lspinlock
+.align 5
+
+.data
+.align 2
+atomic_add_spinlock:
+.word 0
+#endif
+
+.comm OPENSSL_armcap_P,4,4
+.hidden OPENSSL_armcap_P