2024-08-22 13:41:51 +02:00
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.global irq0
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.extern _switch_task
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.global jump_kernel
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.global jump_user
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.extern ss
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.extern esp
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.extern eflags
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.extern cs
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.extern eip
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irq0:
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2024-11-27 21:57:18 +01:00
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pusha
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2024-08-22 13:41:51 +02:00
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2024-11-27 21:57:18 +01:00
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mov $0x10, %eax
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mov %ax, %ds
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mov %ax, %es
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mov %ax, %fs
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mov %ax, %gs
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2024-08-22 13:41:51 +02:00
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call _switch_task
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iret
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jump_kernel:
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2024-11-27 21:57:18 +01:00
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mov $0x20, %eax
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outb %al, $0x20
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mov (ss), %eax
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mov %ax, %ds
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mov %ax, %es
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mov %ax, %fs
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mov %ax, %gs
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2024-08-22 13:41:51 +02:00
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2024-11-27 21:57:18 +01:00
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popa
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2024-08-22 13:41:51 +02:00
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2024-11-27 21:57:18 +01:00
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mov (esp), %esp
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2024-08-22 13:41:51 +02:00
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2024-11-27 21:57:18 +01:00
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push (ss)
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push (esp)
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2024-08-22 13:41:51 +02:00
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push (eflags)
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push (cs)
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push (eip)
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iret
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jump_user:
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2024-11-27 21:57:18 +01:00
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mov $0x20, %eax
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outb %al, $0x20
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2024-08-22 13:41:51 +02:00
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2024-11-27 21:57:18 +01:00
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mov (ss), %eax
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mov %ax, %ds
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mov %ax, %es
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mov %ax, %fs
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mov %ax, %gs
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2024-08-22 13:41:51 +02:00
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2024-11-27 21:57:18 +01:00
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popa
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2024-08-22 13:41:51 +02:00
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push (ss)
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push (esp)
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push (eflags)
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push (cs)
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push (eip)
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iret
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