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.include "asm/macros.inc"
.include "global.inc"
.text
arm_func_start OS_GetLowEntropyData
OS_GetLowEntropyData: ; 0x020CD754
stmdb sp!, {r4-r7,lr}
sub sp, sp, #0x4
ldr r1, _020CD82C ; =0x04000006
ldr r2, _020CD830 ; =0x027FFC00
ldrh r7, [r1, #0x0]
add r4, r2, #0x80
mov r6, r0
add r5, r4, #0x74
bl OS_GetTickLo
orr r0, r0, r7, lsl #0x10
str r0, [r6, #0x0]
ldr r1, _020CD834 ; =OSi_TickCounter
ldr r0, _020CD830 ; =0x027FFC00
ldr r3, [r1, #0x0]
ldrh r5, [r5, #0x4]
ldr r2, [r1, #0x4]
ldr r2, _020CD838 ; =0x04000600
eor r3, r3, r5, lsl #0x10
str r3, [r6, #0x4]
ldr r3, [r1, #0x0]
ldr r3, [r1, #0x4]
ldr r1, [r4, #0x74]
ldr r4, [r0, #0x3c]
eor r1, r3, r1
eor r1, r4, r1
str r1, [r6, #0x8]
ldr r3, [r6, #0x8]
ldr r2, [r2, #0x0]
add r1, r0, #0x300
eor r2, r3, r2
str r2, [r6, #0x8]
ldr r2, [r0, #0x1e8]
ldr r3, _020CD83C ; =0x04000130
str r2, [r6, #0xc]
ldr r4, [r0, #0x1ec]
ldr r2, _020CD840 ; =0x027FFFA8
str r4, [r6, #0x10]
ldrh r4, [r1, #0x94]
ldr r0, [r0, #0x390]
eor r0, r0, r4, lsl #0x10
str r0, [r6, #0x14]
ldrh r4, [r1, #0xaa]
ldrh r0, [r1, #0xac]
orr r0, r0, r4, lsl #0x10
str r0, [r6, #0x18]
ldrh r3, [r3, #0x0]
ldrh r0, [r2, #0x0]
ldrh r1, [r1, #0x98]
orr r0, r3, r0
orr r0, r0, r1, lsl #0x10
str r0, [r6, #0x1c]
add sp, sp, #0x4
ldmia sp!, {r4-r7,lr}
bx lr
.balign 4
_020CD82C: .word 0x04000006
_020CD830: .word 0x027FFC00
_020CD834: .word OSi_TickCounter
_020CD838: .word 0x04000600
_020CD83C: .word 0x04000130
_020CD840: .word 0x027FFFA8
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