From e2b78d20b80d89321d8d9df3ab8ade8407642dfc Mon Sep 17 00:00:00 2001 From: Aleksa Vučković Date: Sun, 2 Jan 2022 22:56:02 +0100 Subject: Adding code --- include/05.irq/idt07.c | 15 +++++++++++++++ include/05.irq/idt08.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 59 insertions(+) create mode 100644 include/05.irq/idt07.c create mode 100644 include/05.irq/idt08.c (limited to 'include/05.irq') diff --git a/include/05.irq/idt07.c b/include/05.irq/idt07.c new file mode 100644 index 0000000..a0d32d2 --- /dev/null +++ b/include/05.irq/idt07.c @@ -0,0 +1,15 @@ +void init_pic() +{ + ioport_out(PIC1_COMMAND_PORT, 0x11); + ioport_out(PIC2_COMMAND_PORT, 0x11); + ioport_out(PIC1_DATA_PORT, 0x20); + ioport_out(PIC2_DATA_PORT, 0x28); + ioport_out(PIC1_DATA_PORT, 0x04); + ioport_out(PIC2_DATA_PORT, 0x02); + ioport_out(PIC1_DATA_PORT, 0x01); + ioport_out(PIC2_DATA_PORT, 0x01); + ioport_out(PIC1_DATA_PORT, 0xff); + ioport_out(PIC2_DATA_PORT, 0xff); + + ioport_out(PIC1_DATA_PORT, 0xFC); +} diff --git a/include/05.irq/idt08.c b/include/05.irq/idt08.c new file mode 100644 index 0000000..d5754f7 --- /dev/null +++ b/include/05.irq/idt08.c @@ -0,0 +1,44 @@ +void init_idt_table() +{ + init_pic(); + add_idt_entry(0,(uint32_t)irq0); + add_idt_entry(1,(uint32_t)irq1); + add_idt_entry(2,(uint32_t)irq2); + add_idt_entry(3,(uint32_t)irq3); + add_idt_entry(4,(uint32_t)irq4); + add_idt_entry(5,(uint32_t)irq5); + add_idt_entry(6,(uint32_t)irq6); + add_idt_entry(7,(uint32_t)irq7); + add_idt_entry(8,(uint32_t)irq8); + add_idt_entry(9,(uint32_t)irq9); + add_idt_entry(10,(uint32_t)irq10); + add_idt_entry(11,(uint32_t)irq11); + add_idt_entry(12,(uint32_t)irq12); + add_idt_entry(13,(uint32_t)irq13); + add_idt_entry(14,(uint32_t)irq14); + add_idt_entry(15,(uint32_t)irq15); + add_idt_entry(16,(uint32_t)irq16); + add_idt_entry(17,(uint32_t)irq17); + add_idt_entry(18,(uint32_t)irq18); + add_idt_entry(19,(uint32_t)irq19); + add_idt_entry(20,(uint32_t)irq20); + add_idt_entry(21,(uint32_t)irq21); + add_idt_entry(22,(uint32_t)irq22); + add_idt_entry(23,(uint32_t)irq23); + add_idt_entry(24,(uint32_t)irq24); + add_idt_entry(25,(uint32_t)irq25); + add_idt_entry(26,(uint32_t)irq26); + add_idt_entry(27,(uint32_t)irq27); + add_idt_entry(28,(uint32_t)irq28); + add_idt_entry(29,(uint32_t)irq29); + add_idt_entry(30,(uint32_t)irq30); + add_idt_entry(31,(uint32_t)irq31); + add_idt_entry(32,(uint32_t)timer_irq); + add_idt_entry(33,(uint32_t)keyboard_irq); + + idtp.size=sizeof(struct idt_entry)*256-1; + idtp.offset=(uint32_t)&idt; + + + load_idt(&idtp); +} -- cgit v1.2.3