2012-04-13 15:34:17 +00:00
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/*******************************************************************************
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2011-11-30 22:30:14 +00:00
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2012-04-13 15:34:17 +00:00
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COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011, 2012.
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2011-11-30 22:30:14 +00:00
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This file is part of Sortix.
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Sortix is free software: you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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2012-04-13 15:34:17 +00:00
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You should have received a copy of the GNU General Public License along with
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Sortix. If not, see <http://www.gnu.org/licenses/>.
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2011-11-30 22:30:14 +00:00
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2012-04-13 15:34:17 +00:00
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x64/interrupt.s
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2011-11-30 22:30:14 +00:00
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Transfers control to interrupt handlers when interrupts happen.
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2012-04-13 15:34:17 +00:00
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*******************************************************************************/
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2011-11-30 22:30:14 +00:00
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.section .text
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.global isr0
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.type isr0, @function
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isr0:
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cli
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pushq $0 # err_code
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pushq $0 # int_no
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jmp interrupt_handler_prepare
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.global isr1
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.type isr1, @function
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isr1:
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cli
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pushq $0 # err_code
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pushq $1 # int_no
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jmp interrupt_handler_prepare
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.global isr2
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.type isr2, @function
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isr2:
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cli
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pushq $0 # err_code
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pushq $2 # int_no
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jmp interrupt_handler_prepare
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.global isr3
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.type isr3, @function
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isr3:
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cli
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pushq $0 # err_code
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pushq $3 # int_no
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jmp interrupt_handler_prepare
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.global isr4
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.type isr4, @function
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isr4:
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cli
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pushq $0 # err_code
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pushq $4 # int_no
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jmp interrupt_handler_prepare
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.global isr5
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.type isr5, @function
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isr5:
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cli
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pushq $0 # err_code
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pushq $5 # int_no
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jmp interrupt_handler_prepare
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.global isr6
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.type isr6, @function
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isr6:
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cli
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pushq $0 # err_code
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pushq $6 # int_no
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jmp interrupt_handler_prepare
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.global isr7
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.type isr7, @function
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isr7:
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cli
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pushq $0 # err_code
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pushq $7 # int_no
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jmp interrupt_handler_prepare
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.global isr8
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.type isr8, @function
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isr8:
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cli
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# pushq $0 # err_code pushed by CPU
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pushq $8 # int_no
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jmp interrupt_handler_prepare
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.global isr9
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.type isr9, @function
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isr9:
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cli
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pushq $0 # err_code
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pushq $9 # int_no
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jmp interrupt_handler_prepare
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.global isr10
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.type isr10, @function
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isr10:
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cli
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# pushq $0 # err_code pushed by CPU
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pushq $10 # int_no
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jmp interrupt_handler_prepare
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.global isr11
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.type isr11, @function
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isr11:
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cli
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# pushq $0 # err_code pushed by CPU
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pushq $11 # int_no
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jmp interrupt_handler_prepare
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.global isr12
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.type isr12, @function
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isr12:
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cli
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# pushq $0 # err_code pushed by CPU
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pushq $12 # int_no
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jmp interrupt_handler_prepare
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.global isr13
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.type isr13, @function
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isr13:
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cli
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# pushq $0 # err_code pushed by CPU
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pushq $13 # int_no
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jmp interrupt_handler_prepare
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.global isr14
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.type isr14, @function
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isr14:
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cli
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# pushq $0 # err_code pushed by CPU
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pushq $14 # int_no
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jmp interrupt_handler_prepare
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.global isr15
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.type isr15, @function
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isr15:
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cli
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pushq $0 # err_code
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pushq $15 # int_no
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jmp interrupt_handler_prepare
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.global isr16
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.type isr16, @function
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isr16:
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cli
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pushq $0 # err_code
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pushq $16 # int_no
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jmp interrupt_handler_prepare
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.global isr17
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.type isr17, @function
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isr17:
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cli
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pushq $0 # err_code
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pushq $17 # int_no
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jmp interrupt_handler_prepare
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.global isr18
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.type isr18, @function
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isr18:
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cli
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pushq $0 # err_code
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pushq $18 # int_no
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jmp interrupt_handler_prepare
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.global isr19
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.type isr19, @function
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isr19:
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cli
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pushq $0 # err_code
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pushq $19 # int_no
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jmp interrupt_handler_prepare
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.global isr20
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.type isr20, @function
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isr20:
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cli
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pushq $0 # err_code
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pushq $20 # int_no
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jmp interrupt_handler_prepare
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.global isr21
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.type isr21, @function
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isr21:
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cli
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pushq $0 # err_code
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pushq $21 # int_no
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jmp interrupt_handler_prepare
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.global isr22
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.type isr22, @function
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isr22:
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cli
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pushq $0 # err_code
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pushq $22 # int_no
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jmp interrupt_handler_prepare
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.global isr23
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.type isr23, @function
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isr23:
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cli
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pushq $0 # err_code
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pushq $23 # int_no
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jmp interrupt_handler_prepare
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.global isr24
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.type isr24, @function
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isr24:
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cli
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pushq $0 # err_code
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pushq $24 # int_no
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jmp interrupt_handler_prepare
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.global isr25
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.type isr25, @function
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isr25:
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cli
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pushq $0 # err_code
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pushq $25 # int_no
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jmp interrupt_handler_prepare
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.global isr26
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.type isr26, @function
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isr26:
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cli
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pushq $0 # err_code
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pushq $26 # int_no
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jmp interrupt_handler_prepare
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.global isr27
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.type isr27, @function
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isr27:
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cli
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pushq $0 # err_code
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pushq $27 # int_no
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jmp interrupt_handler_prepare
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.global isr28
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.type isr28, @function
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isr28:
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cli
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pushq $0 # err_code
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pushq $28 # int_no
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jmp interrupt_handler_prepare
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.global isr29
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.type isr29, @function
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isr29:
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cli
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pushq $0 # err_code
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pushq $29 # int_no
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jmp interrupt_handler_prepare
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.global isr30
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.type isr30, @function
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isr30:
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cli
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pushq $0 # err_code
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pushq $30 # int_no
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jmp interrupt_handler_prepare
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.global isr31
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.type isr31, @function
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isr31:
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cli
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pushq $0 # err_code
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pushq $31 # int_no
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jmp interrupt_handler_prepare
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.global isr128
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.type isr128, @function
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isr128:
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cli
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pushq $0 # err_code
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pushq $128 # int_no
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jmp interrupt_handler_prepare
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.global irq0
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.type irq0, @function
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irq0:
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cli
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pushq $0 # err_code
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pushq $32 # int_no
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jmp interrupt_handler_prepare
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.global irq1
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.type irq1, @function
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irq1:
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cli
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pushq $0 # err_code
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pushq $33 # int_no
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jmp interrupt_handler_prepare
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.global irq2
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.type irq2, @function
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irq2:
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cli
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pushq $0 # err_code
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pushq $34 # int_no
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jmp interrupt_handler_prepare
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.global irq3
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.type irq3, @function
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irq3:
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cli
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pushq $0 # err_code
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pushq $35 # int_no
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jmp interrupt_handler_prepare
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.global irq4
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.type irq4, @function
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irq4:
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cli
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pushq $0 # err_code
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pushq $36 # int_no
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jmp interrupt_handler_prepare
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.global irq5
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.type irq5, @function
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irq5:
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cli
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pushq $0 # err_code
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pushq $37 # int_no
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jmp interrupt_handler_prepare
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.global irq6
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.type irq6, @function
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irq6:
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cli
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pushq $0 # err_code
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pushq $38 # int_no
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jmp interrupt_handler_prepare
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.global irq7
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.type irq7, @function
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irq7:
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cli
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pushq $0 # err_code
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pushq $39 # int_no
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jmp interrupt_handler_prepare
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.global irq8
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.type irq8, @function
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irq8:
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cli
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pushq $0 # err_code
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pushq $40 # int_no
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jmp interrupt_handler_prepare
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.global irq9
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.type irq9, @function
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irq9:
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cli
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pushq $0 # err_code
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pushq $41 # int_no
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jmp interrupt_handler_prepare
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.global irq10
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.type irq10, @function
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irq10:
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cli
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pushq $0 # err_code
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pushq $42 # int_no
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jmp interrupt_handler_prepare
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.global irq11
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.type irq11, @function
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irq11:
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cli
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pushq $0 # err_code
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pushq $43 # int_no
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jmp interrupt_handler_prepare
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.global irq12
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.type irq12, @function
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irq12:
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cli
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pushq $0 # err_code
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pushq $44 # int_no
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jmp interrupt_handler_prepare
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.global irq13
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.type irq13, @function
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irq13:
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cli
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pushq $0 # err_code
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pushq $45 # int_no
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jmp interrupt_handler_prepare
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|
.global irq14
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|
.type irq14, @function
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irq14:
|
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cli
|
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pushq $0 # err_code
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pushq $46 # int_no
|
|
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|
|
jmp interrupt_handler_prepare
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|
|
|
.global irq15
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|
|
|
.type irq15, @function
|
|
|
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|
irq15:
|
|
|
|
|
cli
|
|
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|
|
pushq $0 # err_code
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|
|
|
|
pushq $47 # int_no
|
|
|
|
|
jmp interrupt_handler_prepare
|
|
|
|
|
|
|
|
|
|
interrupt_handler_prepare:
|
|
|
|
|
pushq %r15
|
|
|
|
|
pushq %r14
|
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|
|
|
pushq %r13
|
|
|
|
|
pushq %r12
|
|
|
|
|
pushq %r11
|
|
|
|
|
pushq %r10
|
|
|
|
|
pushq %r9
|
|
|
|
|
pushq %r8
|
|
|
|
|
pushq %rax
|
|
|
|
|
pushq %rcx
|
|
|
|
|
pushq %rdx
|
|
|
|
|
pushq %rbx
|
|
|
|
|
pushq %rsp
|
|
|
|
|
pushq %rbp
|
|
|
|
|
pushq %rsi
|
|
|
|
|
pushq %rdi
|
|
|
|
|
|
|
|
|
|
# Push the user-space data segment.
|
|
|
|
|
movl %ds, %ebp
|
|
|
|
|
pushq %rbp
|
|
|
|
|
|
|
|
|
|
# Load the kernel data segment.
|
|
|
|
|
movw $0x10, %bp
|
|
|
|
|
movl %ebp, %ds
|
|
|
|
|
movl %ebp, %es
|
|
|
|
|
movl %ebp, %fs
|
|
|
|
|
movl %ebp, %gs
|
|
|
|
|
|
|
|
|
|
# Push CR2 in case of page faults
|
|
|
|
|
movq %cr2, %rbp
|
|
|
|
|
pushq %rbp
|
|
|
|
|
|
|
|
|
|
# Now call the interrupt handler.
|
|
|
|
|
movq %rsp, %rdi
|
|
|
|
|
call interrupt_handler
|
|
|
|
|
|
|
|
|
|
# Remove CR2 from the stack.
|
|
|
|
|
addq $8, %rsp
|
|
|
|
|
|
|
|
|
|
# Restore the user-space data segment.
|
|
|
|
|
popq %rbp
|
|
|
|
|
movl %ebp, %ds
|
|
|
|
|
movl %ebp, %es
|
|
|
|
|
movl %ebp, %fs
|
|
|
|
|
movl %ebp, %gs
|
|
|
|
|
|
|
|
|
|
popq %rdi
|
|
|
|
|
popq %rsi
|
|
|
|
|
popq %rbp
|
|
|
|
|
popq %rsp
|
|
|
|
|
popq %rbx
|
|
|
|
|
popq %rdx
|
|
|
|
|
popq %rcx
|
|
|
|
|
popq %rax
|
|
|
|
|
popq %r8
|
|
|
|
|
popq %r9
|
|
|
|
|
popq %r10
|
|
|
|
|
popq %r11
|
|
|
|
|
popq %r12
|
|
|
|
|
popq %r13
|
|
|
|
|
popq %r14
|
|
|
|
|
popq %r15
|
|
|
|
|
|
|
|
|
|
# Remove int_no and err_code
|
|
|
|
|
addq $16, %rsp
|
|
|
|
|
|
|
|
|
|
# Return to where we came from.
|
|
|
|
|
iretq
|
|
|
|
|
|
2012-02-29 12:36:11 +00:00
|
|
|
.global interrupt_handler_null
|
|
|
|
|
.type interrupt_handler_null, @function
|
|
|
|
|
interrupt_handler_null:
|
|
|
|
|
iretq
|
|
|
|
|
|
2012-04-11 13:46:32 +00:00
|
|
|
.global asm_interrupts_are_enabled
|
|
|
|
|
.type asm_interrupts_are_enabled, @function
|
|
|
|
|
asm_interrupts_are_enabled:
|
|
|
|
|
pushfq
|
|
|
|
|
popq %rax
|
|
|
|
|
andq $0x000200, %rax # FLAGS_INTERRUPT
|
|
|
|
|
retq
|
|
|
|
|
|
