mirror of
https://gitlab.com/sortix/sortix.git
synced 2023-02-13 20:55:38 -05:00
512 lines
9.4 KiB
ArmAsm
512 lines
9.4 KiB
ArmAsm
/*******************************************************************************
|
|
|
|
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
|
|
|
|
This file is part of Sortix.
|
|
|
|
Sortix is free software: you can redistribute it and/or modify it under the
|
|
terms of the GNU General Public License as published by the Free Software
|
|
Foundation, either version 3 of the License, or (at your option) any later
|
|
version.
|
|
|
|
Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
|
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
|
|
details.
|
|
|
|
You should have received a copy of the GNU General Public License along with
|
|
Sortix. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
x64/interrupt.S
|
|
Transfers control to interrupt handlers when interrupts happen.
|
|
|
|
*******************************************************************************/
|
|
|
|
.section .text
|
|
|
|
.global isr0
|
|
.type isr0, @function
|
|
isr0:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $0 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr1
|
|
.type isr1, @function
|
|
isr1:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $1 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr2
|
|
.type isr2, @function
|
|
isr2:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $2 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr3
|
|
.type isr3, @function
|
|
isr3:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $3 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr4
|
|
.type isr4, @function
|
|
isr4:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $4 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr5
|
|
.type isr5, @function
|
|
isr5:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $5 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr6
|
|
.type isr6, @function
|
|
isr6:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $6 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr7
|
|
.type isr7, @function
|
|
isr7:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $7 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr8
|
|
.type isr8, @function
|
|
isr8:
|
|
cli
|
|
# pushq $0 # err_code pushed by CPU
|
|
pushq $8 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr9
|
|
.type isr9, @function
|
|
isr9:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $9 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr10
|
|
.type isr10, @function
|
|
isr10:
|
|
cli
|
|
# pushq $0 # err_code pushed by CPU
|
|
pushq $10 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr11
|
|
.type isr11, @function
|
|
isr11:
|
|
cli
|
|
# pushq $0 # err_code pushed by CPU
|
|
pushq $11 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr12
|
|
.type isr12, @function
|
|
isr12:
|
|
cli
|
|
# pushq $0 # err_code pushed by CPU
|
|
pushq $12 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr13
|
|
.type isr13, @function
|
|
isr13:
|
|
cli
|
|
# pushq $0 # err_code pushed by CPU
|
|
pushq $13 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr14
|
|
.type isr14, @function
|
|
isr14:
|
|
cli
|
|
# pushq $0 # err_code pushed by CPU
|
|
pushq $14 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr15
|
|
.type isr15, @function
|
|
isr15:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $15 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr16
|
|
.type isr16, @function
|
|
isr16:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $16 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr17
|
|
.type isr17, @function
|
|
isr17:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $17 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr18
|
|
.type isr18, @function
|
|
isr18:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $18 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr19
|
|
.type isr19, @function
|
|
isr19:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $19 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr20
|
|
.type isr20, @function
|
|
isr20:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $20 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr21
|
|
.type isr21, @function
|
|
isr21:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $21 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr22
|
|
.type isr22, @function
|
|
isr22:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $22 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr23
|
|
.type isr23, @function
|
|
isr23:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $23 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr24
|
|
.type isr24, @function
|
|
isr24:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $24 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr25
|
|
.type isr25, @function
|
|
isr25:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $25 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr26
|
|
.type isr26, @function
|
|
isr26:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $26 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr27
|
|
.type isr27, @function
|
|
isr27:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $27 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr28
|
|
.type isr28, @function
|
|
isr28:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $28 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr29
|
|
.type isr29, @function
|
|
isr29:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $29 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr30
|
|
.type isr30, @function
|
|
isr30:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $30 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr31
|
|
.type isr31, @function
|
|
isr31:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $31 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr128
|
|
.type isr128, @function
|
|
isr128:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $128 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr130
|
|
.type isr130, @function
|
|
isr130:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $130 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global isr131
|
|
.type isr131, @function
|
|
isr131:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $131 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global irq0
|
|
.type irq0, @function
|
|
irq0:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $32 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global irq1
|
|
.type irq1, @function
|
|
irq1:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $33 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global irq2
|
|
.type irq2, @function
|
|
irq2:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $34 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global irq3
|
|
.type irq3, @function
|
|
irq3:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $35 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global irq4
|
|
.type irq4, @function
|
|
irq4:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $36 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global irq5
|
|
.type irq5, @function
|
|
irq5:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $37 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global irq6
|
|
.type irq6, @function
|
|
irq6:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $38 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global irq7
|
|
.type irq7, @function
|
|
irq7:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $39 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global irq8
|
|
.type irq8, @function
|
|
irq8:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $40 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global irq9
|
|
.type irq9, @function
|
|
irq9:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $41 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global irq10
|
|
.type irq10, @function
|
|
irq10:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $42 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global irq11
|
|
.type irq11, @function
|
|
irq11:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $43 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global irq12
|
|
.type irq12, @function
|
|
irq12:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $44 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global irq13
|
|
.type irq13, @function
|
|
irq13:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $45 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global irq14
|
|
.type irq14, @function
|
|
irq14:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $46 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global irq15
|
|
.type irq15, @function
|
|
irq15:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $47 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global yield_cpu_handler
|
|
.type yield_cpu_handler, @function
|
|
yield_cpu_handler:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $129 # int_no
|
|
jmp interrupt_handler_prepare
|
|
.global thread_exit_handler
|
|
.type thread_exit_handler, @function
|
|
thread_exit_handler:
|
|
cli
|
|
pushq $0 # err_code
|
|
pushq $132 # int_no
|
|
jmp interrupt_handler_prepare
|
|
|
|
interrupt_handler_prepare:
|
|
movq $1, asm_is_cpu_interrupted
|
|
|
|
pushq %r15
|
|
pushq %r14
|
|
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
|
|
|
|
# Push the current kernel errno value.
|
|
movl global_errno, %ebp
|
|
pushq %rbp
|
|
|
|
# Push whether a signal is pending.
|
|
movq asm_signal_is_pending, %rbp
|
|
pushq %rbp
|
|
|
|
# Now call the interrupt handler.
|
|
movq %rsp, %rdi
|
|
call interrupt_handler
|
|
|
|
load_interrupted_registers:
|
|
# Restore whether signals are pending.
|
|
popq %rbp
|
|
movq %rbp, asm_signal_is_pending
|
|
|
|
# Restore the previous kernel errno.
|
|
popq %rbp
|
|
movl %ebp, global_errno
|
|
|
|
# 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
|
|
addq $8, %rsp # Don't pop %rsp, may not be defined.
|
|
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
|
|
|
|
movq $0, asm_is_cpu_interrupted
|
|
|
|
# Return to where we came from.
|
|
iretq
|
|
.size interrupt_handler_prepare, . - interrupt_handler_prepare
|
|
|
|
.global interrupt_handler_null
|
|
.type interrupt_handler_null, @function
|
|
interrupt_handler_null:
|
|
iretq
|
|
.size interrupt_handler_null, . - interrupt_handler_null
|
|
|
|
.global asm_interrupts_are_enabled
|
|
.type asm_interrupts_are_enabled, @function
|
|
asm_interrupts_are_enabled:
|
|
pushfq
|
|
popq %rax
|
|
andq $0x000200, %rax # FLAGS_INTERRUPT
|
|
retq
|
|
.size asm_interrupts_are_enabled, . - asm_interrupts_are_enabled
|
|
|
|
.global load_registers
|
|
.type load_registers, @function
|
|
load_registers:
|
|
# Let the register struct become our temporary stack
|
|
movq %rdi, %rsp
|
|
jmp load_interrupted_registers
|
|
.size load_registers, . - load_registers
|