1 files changed, 154 insertions, 0 deletions

diff --git a/src/lib/libcrypto/armv4cpuid.S b/src/lib/libcrypto/armv4cpuid.S
new file mode 100644
index 0000000000..2d618deaa4
--- /dev/null
+++ b/src/lib/libcrypto/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