godot/drivers/builtin_openssl2/crypto/armv4cpuid.S
Juan Linietsky 678948068b Small Issues & Maintenance
-=-=-=-=-=-=-=-=-=-=-=-=-=

-Begin work on Navigation Meshes (simple pathfinding for now, will improve soon)
-More doc on theme overriding
-Upgraded OpenSSL to version without bugs
-Misc bugfixes
2014-08-01 22:10:38 -03:00

155 lines
2.9 KiB
ArmAsm

#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