2b16b69afa
Remove all the console-printing code in the interrupt handling routine and have it pass off to the panic handler.
97 lines
1.7 KiB
ArmAsm
97 lines
1.7 KiB
ArmAsm
%include "push_all.inc"
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section .text
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extern isr_handler
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global isr_handler_prelude:function (isr_handler_prelude.end - isr_handler_prelude)
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isr_handler_prelude:
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push rbp ; Never executed, fake function prelude
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mov rbp, rsp ; to calm down gdb
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.real:
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push_all
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check_swap_gs
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mov rdi, rsp
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mov rsi, rsp
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mov rax, [rsp + REGS.rip]
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push rax
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push rbp
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mov rbp, rsp
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call isr_handler
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jmp isr_handler_return
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.end:
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extern irq_handler
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global irq_handler_prelude:function (irq_handler_prelude.end - irq_handler_prelude)
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irq_handler_prelude:
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push rbp ; Never executed, fake function prelude
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mov rbp, rsp ; to calm down gdb
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.real:
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push_all
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check_swap_gs
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mov rdi, rsp
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mov rsi, rsp
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mov rax, [rsp + REGS.rip]
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push rax
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push rbp
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mov rbp, rsp
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call irq_handler
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; fall through to isr_handler_return
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.end:
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global isr_handler_return:function (isr_handler_return.end - isr_handler_return)
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isr_handler_return:
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pop rbp
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pop rax ; get rid of the manufactured stack frame
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check_swap_gs
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pop_all
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add rsp, 16 ; because the ISRs added err/num
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iretq
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.end:
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%macro EMIT_ISR 2
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global %1:function (%1.end - %1)
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%1:
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push 0
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push %2
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jmp isr_handler_prelude.real
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.end:
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%endmacro
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%macro EMIT_EISR 2
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global %1:function (%1.end - %1)
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%1:
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push %2
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jmp isr_handler_prelude.real
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.end:
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%endmacro
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%macro EMIT_IRQ 2
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global %1:function (%1.end - %1)
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%1:
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push 0
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push %2
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jmp irq_handler_prelude.real
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.end:
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%endmacro
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%define EISR(i, s, name) EMIT_EISR name, i ; ISR with error code
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%define ISR(i, s, name) EMIT_ISR name, i
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%define IRQ(i, q, name) EMIT_IRQ name, i
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%define NISR(i, s, name) ; We don't emit a handler for NMI
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section .isrs
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%include "interrupt_isrs.inc"
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