sc.h File Reference

(29312b1 fbconsole, panic: render panic after framebuffer was given to userspace - without clearing screen contents)

#include <stdint.h>
#include <vm.h>

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Functions
void	init_gdt (void)
void	init_sc (void)
void	interrupt_add_queue (uint8_t interrupt, uint64_t mq)
void	interrupt_del_queue (uint8_t interrupt, uint64_t mq)
void	set_iopb (struct vm_table *context, ptr_t task_iopb)

Function Documentation

init_gdt()

void init_gdt

(

void

)

Definition at line 154 of file sc.c.

References _cpu0, tss::_reserved1, tss::_reserved2, tss::_reserved3, ALLOCATOR_REGION_KERNEL_HEAP, base, gdt_entry::baseHigh, gdt_entry::baseLow, gdt_entry::baseMid, GDT_ACCESSED, GDT_EXECUTE, GDT_PRESENT, GDT_RING3, GDT_RW, GDT_SYSTEM, tss::iopb_offset, tss::ist1, cpu_local_data::kernel_stack, KiB, table_pointer::limit, gdt_entry::limitLow, memset(), reload_cs(), tss::rsp0, tss::rsp1, tss::rsp2, gdt_entry::size, cpu_local_data::tss, gdt_entry::type, vm_context_alloc_pages(), and VM_KERNEL_CONTEXT.

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init_sc()

void init_sc

(

void

)

Definition at line 309 of file sc.c.

References _cpu0, _setup_idt(), _syscall_handler(), and write_msr().

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interrupt_add_queue()

void interrupt_add_queue	(	uint8_t	interrupt,
		uint64_t	mq
	)

Definition at line 226 of file sc.c.

References EEXIST, error, flexarray_append(), interrupt_delall_queue(), interrupt_queues, kernel_alloc, logw, mq, mq_notify_teardown(), and new_flexarray().

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interrupt_del_queue()

void interrupt_del_queue	(	uint8_t	interrupt,
		uint64_t	mq
	)

Definition at line 211 of file sc.c.

References flexarray_find(), flexarray_remove(), interrupt_queues, and mq.

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set_iopb()

void set_iopb	(	struct vm_table *	context,
		ptr_t	task_iopb
	)

Definition at line 134 of file sc.c.

References _cpu0, ALLOCATOR_REGION_USER_IOPERM, tss::iopb_offset, KiB, cpu_local_data::tss, vm_context_get_physical_for_virtual(), vm_context_map(), and VM_KERNEL_CONTEXT.

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