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This commit is contained in:
Braiden Vasco 2017-11-06 10:37:51 +00:00
parent ef2a7507b7
commit cb4ebffe88
1 changed files with 4 additions and 0 deletions
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4
arch/pic.c
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@ -13,15 +13,19 @@ void pic_remap(const unsigned char master_irq_start, const unsigned char slave_i
{
logger_info_from("pic", "Remap the IRQ table.");
// Start the initialization sequence
outportb(PIC_MASTER_COMMAND, 0x11);
outportb(PIC_SLAVE_COMMAND, 0x11);
// Set IRQ vectors
outportb(PIC_MASTER_DATA, master_irq_start);
outportb(PIC_SLAVE_DATA, slave_irq_start);
// Connect master and slave with each other
outportb(PIC_MASTER_DATA, 0x04);
outportb(PIC_SLAVE_DATA, 0x02);
// 8086/88 (MCS-80/85) mode
outportb(PIC_MASTER_DATA, 0x01);
outportb(PIC_SLAVE_DATA, 0x01);