forked from Bananymous/banan-os
135 lines
1.1 KiB
ArmAsm
135 lines
1.1 KiB
ArmAsm
|
isr_stub:
|
||
|
|
ud2
|
||
|
|
pusha
|
||
|
|
call cpp_isr_handler
|
||
|
|
popa
|
||
|
|
iret
|
||
|
|
|
||
|
|
irq_stub:
|
||
|
|
ud2
|
||
|
|
pusha
|
||
|
|
call cpp_irq_handler
|
||
|
|
popa
|
||
|
|
iret
|
||
|
|
|
||
|
|
// arguments in EAX, EBX, ECX, EDX, ESI, EDI
|
||
|
|
.global syscall_asm
|
||
|
|
syscall_asm:
|
||
|
|
ud2
|
||
|
|
pusha
|
||
|
|
|
||
|
|
pushl %esp
|
||
|
|
addl $36, (%esp)
|
||
|
|
|
||
|
|
pushl %edi
|
||
|
|
pushl %esi
|
||
|
|
pushl %edx
|
||
|
|
pushl %ecx
|
||
|
|
pushl %ebx
|
||
|
|
pushl %eax
|
||
|
|
|
||
|
|
call cpp_syscall_handler
|
||
|
|
|
||
|
|
addl $60, %esp
|
||
|
|
|
||
|
|
popl %edi
|
||
|
|
popl %esi
|
||
|
|
popl %ebp
|
||
|
|
addl $4, %esp
|
||
|
|
popl %ebx
|
||
|
|
popl %edx
|
||
|
|
popl %ecx
|
||
|
|
addl $4, %esp
|
||
|
|
|
||
|
|
iret
|
||
|
|
|
||
|
|
.macro isr n
|
||
|
|
.global isr\n
|
||
|
|
isr\n:
|
||
|
|
pushl $0
|
||
|
|
pushl $\n
|
||
|
|
jmp isr_stub
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro isr_err n
|
||
|
|
.global isr\n
|
||
|
|
isr\n:
|
||
|
|
pushl $\n
|
||
|
|
jmp isr_stub
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro irq n
|
||
|
|
.global irq\n
|
||
|
|
irq\n:
|
||
|
|
pushl $0
|
||
|
|
pushl $\n
|
||
|
|
jmp irq_stub
|
||
|
|
.endm
|
||
|
|
|
||
|
|
isr 0
|
||
|
|
isr 1
|
||
|
|
isr 2
|
||
|
|
isr 3
|
||
|
|
isr 4
|
||
|
|
isr 5
|
||
|
|
isr 6
|
||
|
|
isr 7
|
||
|
|
isr_err 8
|
||
|
|
isr 9
|
||
|
|
isr_err 10
|
||
|
|
isr_err 11
|
||
|
|
isr_err 12
|
||
|
|
isr_err 13
|
||
|
|
isr_err 14
|
||
|
|
isr 15
|
||
|
|
isr 16
|
||
|
|
isr_err 17
|
||
|
|
isr 18
|
||
|
|
isr 19
|
||
|
|
isr 20
|
||
|
|
isr 21
|
||
|
|
isr 22
|
||
|
|
isr 23
|
||
|
|
isr 24
|
||
|
|
isr 25
|
||
|
|
isr 26
|
||
|
|
isr 27
|
||
|
|
isr 28
|
||
|
|
isr 29
|
||
|
|
isr 30
|
||
|
|
isr 31
|
||
|
|
|
||
|
|
irq 0
|
||
|
|
irq 1
|
||
|
|
irq 2
|
||
|
|
irq 3
|
||
|
|
irq 4
|
||
|
|
irq 5
|
||
|
|
irq 6
|
||
|
|
irq 7
|
||
|
|
irq 8
|
||
|
|
irq 9
|
||
|
|
irq 10
|
||
|
|
irq 11
|
||
|
|
irq 12
|
||
|
|
irq 13
|
||
|
|
irq 14
|
||
|
|
irq 15
|
||
|
|
irq 16
|
||
|
|
irq 17
|
||
|
|
irq 18
|
||
|
|
irq 19
|
||
|
|
irq 20
|
||
|
|
irq 21
|
||
|
|
irq 22
|
||
|
|
irq 23
|
||
|
|
irq 24
|
||
|
|
irq 25
|
||
|
|
irq 26
|
||
|
|
irq 27
|
||
|
|
irq 28
|
||
|
|
irq 29
|
||
|
|
irq 30
|
||
|
|
irq 31
|
||
|
|
irq 32
|