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.include "asm/macros.inc"
.include "global.inc"
.text
arm_func_start OS_GetTickLo
OS_GetTickLo: ; 0x020CCC0C
ldr r0, _020CCC18 ; =0x04000100
ldrh r0, [r0, #0x0]
bx lr
.balign 4
_020CCC18: .word 0x04000100
arm_func_start OS_GetTick
OS_GetTick: ; 0x020CCC1C
stmdb sp!, {lr}
sub sp, sp, #0xc
bl OS_DisableInterrupts
ldr r1, _020CCCBC ; =0x04000100
ldr r3, _020CCCC0 ; =OSi_TickCounter
ldrh r12, [r1, #0x0]
ldr r2, _020CCCC4 ; =0x0000FFFF
mvn r1, #0x0
strh r12, [sp, #0x0]
ldr r12, [r3, #0x0]
ldr r3, [r3, #0x4]
and r1, r12, r1
and r2, r3, r2
str r1, [sp, #0x4]
ldr r1, _020CCCC8 ; =0x04000214
str r2, [sp, #0x8]
ldr r1, [r1, #0x0]
ands r1, r1, #0x8
beq _020CCC90
ldrh r1, [sp, #0x0]
ands r1, r1, #0x8000
bne _020CCC90
ldr r3, [sp, #0x4]
mov r1, #0x1
ldr r2, [sp, #0x8]
adds r3, r3, r1
adc r1, r2, #0x0
str r3, [sp, #0x4]
str r1, [sp, #0x8]
_020CCC90:
bl OS_RestoreInterrupts
ldr r2, [sp, #0x4]
ldr r1, [sp, #0x8]
ldrh r0, [sp, #0x0]
mov r1, r1, lsl #0x10
orr r1, r1, r2, lsr #0x10
orr r1, r1, r0, asr #0x1f
orr r0, r0, r2, lsl #0x10
add sp, sp, #0xc
ldmia sp!, {lr}
bx lr
.balign 4
_020CCCBC: .word 0x04000100
_020CCCC0: .word OSi_TickCounter
_020CCCC4: .word 0x0000FFFF
_020CCCC8: .word 0x04000214
arm_func_start OSi_CountUpTick
OSi_CountUpTick: ; 0x020CCCCC
stmdb sp!, {lr}
sub sp, sp, #0x4
ldr r2, _020CCD40 ; =OSi_TickCounter
ldr r1, _020CCD44 ; =OSi_NeedResetTimer
ldr r12, [r2, #0x0]
mov r0, #0x1
ldr r3, [r2, #0x4]
adds r12, r12, r0
ldr r0, [r1, #0x0]
adc r3, r3, #0x0
str r12, [r2, #0x0]
str r3, [r2, #0x4]
cmp r0, #0x0
mov r3, #0x0
beq _020CCD24
ldr r2, _020CCD48 ; =0x04000102
ldr r0, _020CCD4C ; =0x04000100
strh r3, [r2, #0x0]
strh r3, [r0, #0x0]
mov r0, #0xc1
strh r0, [r2, #0x0]
str r3, [r1, #0x0]
_020CCD24:
mov r0, #0x0
ldr r1, _020CCD50 ; =OSi_CountUpTick
mov r2, r0
bl OSi_EnterTimerCallback
add sp, sp, #0x4
ldmia sp!, {lr}
bx lr
.balign 4
_020CCD40: .word OSi_TickCounter
_020CCD44: .word OSi_NeedResetTimer
_020CCD48: .word 0x04000102
_020CCD4C: .word 0x04000100
_020CCD50: .word OSi_CountUpTick
arm_func_start OS_IsTickAvailable
OS_IsTickAvailable: ; 0x020CCD54
ldr r0, _020CCD60 ; =OSi_UseTick
ldrh r0, [r0, #0x0]
bx lr
.balign 4
_020CCD60: .word OSi_UseTick
arm_func_start OS_InitTick
OS_InitTick: ; 0x020CCD64
stmdb sp!, {lr}
sub sp, sp, #0x4
ldr r1, _020CCDE8 ; =OSi_UseTick
ldrh r0, [r1, #0x0]
cmp r0, #0x0
addne sp, sp, #0x4
ldmneia sp!, {lr}
bxne lr
mov r2, #0x1
mov r0, #0x0
strh r2, [r1, #0x0]
bl OSi_SetTimerReserved
ldr r0, _020CCDEC ; =OSi_TickCounter
mov r2, #0x0
str r2, [r0, #0x0]
ldr r3, _020CCDF0 ; =0x04000102
str r2, [r0, #0x4]
ldr r0, _020CCDF4 ; =0x04000100
strh r2, [r3, #0x0]
ldr r1, _020CCDF8 ; =OSi_CountUpTick
strh r2, [r0, #0x0]
mov r2, #0xc1
mov r0, #0x8
strh r2, [r3, #0x0]
bl OS_SetIrqFunction
mov r0, #0x8
bl OS_EnableIrqMask
ldr r0, _020CCDFC ; =OSi_NeedResetTimer
mov r1, #0x0
str r1, [r0, #0x0]
add sp, sp, #0x4
ldmia sp!, {lr}
bx lr
.balign 4
_020CCDE8: .word OSi_UseTick
_020CCDEC: .word OSi_TickCounter
_020CCDF0: .word 0x04000102
_020CCDF4: .word 0x04000100
_020CCDF8: .word OSi_CountUpTick
_020CCDFC: .word OSi_NeedResetTimer
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