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Some refactoring

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This commit is contained in:
Braiden Vasco 2017-11-06 10:32:46 +00:00
parent 9b192a6780
commit ef2a7507b7
3 changed files with 8 additions and 5 deletions
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6
arch/pic.c
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@ -9,15 +9,15 @@
#define PIC_SLAVE_COMMAND 0xA0
#define PIC_SLAVE_DATA 0xA1
void pic_initialize()
void pic_remap(const unsigned char master_irq_start, const unsigned char slave_irq_start)
{
logger_info_from("pic", "Remap the IRQ table.");
outportb(PIC_MASTER_COMMAND, 0x11);
outportb(PIC_SLAVE_COMMAND, 0x11);
outportb(PIC_MASTER_DATA, 0x20);
outportb(PIC_SLAVE_DATA, 0x28);
outportb(PIC_MASTER_DATA, master_irq_start);
outportb(PIC_SLAVE_DATA, slave_irq_start);
outportb(PIC_MASTER_DATA, 0x04);
outportb(PIC_SLAVE_DATA, 0x02);

2
arch/pic.h
View file

@ -1,6 +1,6 @@
#ifndef KERNELMQ_INCLUDED_PIC
#define KERNELMQ_INCLUDED_PIC 1
void pic_initialize();
void pic_remap(unsigned char master_irq_start, unsigned char slave_irq_start);
#endif

5
arch/protected.c
View file

@ -53,7 +53,7 @@ void idt_flush(const struct IdtPointer *pointer);
void protected_initialize(const struct KernelMQ_Info *const kinfo)
{
pic_initialize();
pic_remap(32, 40);
logger_info_from("protected", "Setup GDT.");
@ -102,6 +102,7 @@ void protected_initialize(const struct KernelMQ_Info *const kinfo)
idt_set_gate(30, (unsigned int)interrupt_30, 0x08, 0x8E);
idt_set_gate(31, (unsigned int)interrupt_31, 0x08, 0x8E);
// Master PIC
idt_set_gate(32, (unsigned int)interrupt_32, 0x08, 0x8E);
idt_set_gate(33, (unsigned int)interrupt_33, 0x08, 0x8E);
idt_set_gate(34, (unsigned int)interrupt_34, 0x08, 0x8E);
@ -110,6 +111,8 @@ void protected_initialize(const struct KernelMQ_Info *const kinfo)
idt_set_gate(37, (unsigned int)interrupt_37, 0x08, 0x8E);
idt_set_gate(38, (unsigned int)interrupt_38, 0x08, 0x8E);
idt_set_gate(39, (unsigned int)interrupt_39, 0x08, 0x8E);
// Slave PIC
idt_set_gate(40, (unsigned int)interrupt_40, 0x08, 0x8E);
idt_set_gate(41, (unsigned int)interrupt_41, 0x08, 0x8E);
idt_set_gate(42, (unsigned int)interrupt_42, 0x08, 0x8E);