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Add functions "pic_enable_all" and "pic_disable_all"

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This commit is contained in:
Braiden Vasco 2017-11-06 11:09:52 +00:00
parent d18a31eec2
commit ebc05296af
3 changed files with 20 additions and 0 deletions
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16
arch/pic.c
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@ -14,6 +14,22 @@
static unsigned char master_irq_start = 0;
static unsigned char slave_irq_start = 8;
void pic_enable_all()
{
logger_info_from("pic", "Enable all IRQs.");
outportb(MASTER_DATA, 0);
outportb(SLAVE_DATA, 0);
}
void pic_disable_all()
{
logger_info_from("pic", "Disable all IRQs.");
outportb(MASTER_DATA, 0xFF);
outportb(SLAVE_DATA, 0xFF);
}
void pic_remap(const unsigned char new_master_irq_start, const unsigned char new_slave_irq_start)
{
logger_info_from("pic", "Remap the IRQ table.");

3
arch/pic.h
View file

@ -3,6 +3,9 @@
void pic_remap(unsigned char master_irq_start, unsigned char slave_irq_start);
void pic_enable_all();
void pic_disable_all();
unsigned char pic_end_of_interrupt(unsigned char irq);
#endif

1
arch/protected.c
View file

@ -54,6 +54,7 @@ void idt_flush(const struct IdtPointer *pointer);
void protected_initialize(const struct KernelMQ_Info *const kinfo)
{
pic_remap(32, 40);
pic_enable_all();
logger_info_from("protected", "Setup GDT.");