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.include "asm/macros.inc"
.include "global.inc"
.section .bss
.global OSi_UserExceptionHandler
OSi_UserExceptionHandler: ; 0x021D371C
.space 0x4
.global OSi_UserExceptionHandlerArg
OSi_UserExceptionHandlerArg: ; 0x021D3720
.space 0x4
.global OSi_DebuggerHandler
OSi_DebuggerHandler: ; 0x021D3724
.space 0x4
.global OSi_ExContext
OSi_ExContext: ; 0x021D3728
.space 0x80
.text
arm_func_start OSi_ExceptionHandler
OSi_ExceptionHandler: ; 0x020CC9FC
ldr ip, _020CCA68 ; =OSi_DebuggerHandler
ldr r12, [r12, #0x0]
cmp r12, #0x0
movne lr, pc
bxne r12
ldr ip, _020CCA6C ; =0x02000000
stmdb r12!, {r0-r3,sp-lr}
and r0, sp, #0x1
mov sp, r12
mrs r1, cpsr
and r1, r1, #0x1f
teq r1, #0x17
bne _020CCA38
bl OSi_GetAndDisplayContext
b _020CCA44
_020CCA38:
teq r1, #0x1b
bne _020CCA44
bl OSi_GetAndDisplayContext
_020CCA44:
ldr ip, _020CCA68 ; =OSi_DebuggerHandler
ldr r12, [r12, #0x0]
cmp r12, #0x0
_020CCA50:
beq _020CCA50
_020CCA54:
mov r0, r0
b _020CCA54
_020CCA5C:
ldmia sp!, {r0-r3,ip,lr}
mov sp, ip
bx lr
_020CCA68: .word OSi_DebuggerHandler
_020CCA6C: .word 0x02000000
arm_func_start OSi_GetAndDisplayContext
OSi_GetAndDisplayContext: ; 0x020CCA70
stmdb sp!, {r0,lr}
bl OSi_SetExContext
bl OSi_DisplayExContext
ldmia sp!, {r0,lr}
bx lr
arm_func_start OSi_SetExContext
OSi_SetExContext: ; 0x020CCA84
ldr r1, _020CCB10 ; =OSi_ExContext
mrs r2, cpsr
str r2, [r1, #0x74]
str r0, [r1, #0x6c]
ldr r0, [r12, #0x0]
str r0, [r1, #0x4]
ldr r0, [r12, #0x4]
str r0, [r1, #0x8]
ldr r0, [r12, #0x8]
str r0, [r1, #0xc]
ldr r0, [r12, #0xc]
str r0, [r1, #0x10]
ldr r2, [r12, #0x10]
bic r2, r2, #0x1
add r0, r1, #0x14
stmia r0, {r4-r11}
str r12, [r1, #0x70]
ldr r0, [r2, #0x0]
str r0, [r1, #0x64]
ldr r3, [r2, #0x4]
str r3, [r1, #0x0]
ldr r0, [r2, #0x8]
str r0, [r1, #0x34]
ldr r0, [r2, #0xc]
str r0, [r1, #0x40]
mrs r0, cpsr
orr r3, r3, #0x80
bic r3, r3, #0x20
msr cpsr_fsxc, r3
str sp, [r1, #0x38]
str lr, [r1, #0x3c]
mrs r2, spsr
str r2, [r1, #0x7c]
msr cpsr_fsxc, r0
bx lr
.balign 4
_020CCB10: .word OSi_ExContext
arm_func_start OSi_DisplayExContext
OSi_DisplayExContext: ; 0x020CCB14
stmdb sp!, {lr}
sub sp, sp, #0x4
ldr r0, _020CCB70 ; =OSi_UserExceptionHandler
ldr r0, [r0, #0x0]
cmp r0, #0x0
addeq sp, sp, #0x4
ldmeqia sp!, {lr}
bxeq lr
mov r0, sp
ldr r1, _020CCB74 ; =0x0000009F
msr cpsr_fsxc, r1
mov sp, r0
bl OS_EnableProtectionUnit
ldr r1, _020CCB78 ; =OSi_UserExceptionHandlerArg
ldr r0, _020CCB70 ; =OSi_UserExceptionHandler
ldr r1, [r1, #0x0]
ldr r2, [r0, #0x0]
ldr r0, _020CCB7C ; =OSi_ExContext
blx r2
bl OS_DisableProtectionUnit
add sp, sp, #0x4
ldmia sp!, {lr}
bx lr
.balign 4
_020CCB70: .word OSi_UserExceptionHandler
_020CCB74: .word 0x0000009F
_020CCB78: .word OSi_UserExceptionHandlerArg
_020CCB7C: .word OSi_ExContext
arm_func_start OS_InitException
OS_InitException: ; 0x020CCB80
ldr r0, _020CCBDC ; =0x027FFD9C
ldr r1, [r0, #0x0]
cmp r1, #0x2600000
blo _020CCBA0
cmp r1, #0x2800000
ldrlo r0, _020CCBE0 ; =OSi_DebuggerHandler
strcc r1, [r0, #0x0]
blo _020CCBAC
_020CCBA0:
ldr r0, _020CCBE0 ; =OSi_DebuggerHandler
mov r1, #0x0
str r1, [r0, #0x0]
_020CCBAC:
ldr r0, _020CCBE0 ; =OSi_DebuggerHandler
ldr r0, [r0, #0x0]
cmp r0, #0x0
ldreq r2, _020CCBE4 ; =OSi_ExceptionHandler
ldreq r1, _020CCBDC ; =0x027FFD9C
ldreq r0, _020CCBE8 ; =0x027E3000
streq r2, [r1, #0x0]
streq r2, [r0, #0xfdc]
ldr r0, _020CCBEC ; =OSi_UserExceptionHandler
mov r1, #0x0
str r1, [r0, #0x0]
bx lr
.balign 4
_020CCBDC: .word 0x027FFD9C
_020CCBE0: .word OSi_DebuggerHandler
_020CCBE4: .word OSi_ExceptionHandler
_020CCBE8: .word 0x027E3000
_020CCBEC: .word OSi_UserExceptionHandler
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