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| author | Aleksa Vuckovic <aleksav013@gmail.com> | 2022-08-05 14:33:51 +0200 |
|---|---|---|
| committer | Aleksa Vuckovic <aleksav013@gmail.com> | 2022-08-05 14:33:51 +0200 |
| commit | bd7d4366b6643b5c6cd04f40dd32f5d9c9575fd6 (patch) | |
| tree | 92429e897be007d46c8f063a39a986df2124111a /kernel/pic.c | |
| parent | be3274c49d0ca5e31daa855c4c109d830fdead67 (diff) | |
organised files; switched to recursive make
Diffstat (limited to 'kernel/pic.c')
| -rw-r--r-- | kernel/pic.c | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/kernel/pic.c b/kernel/pic.c deleted file mode 100644 index 801556d..0000000 --- a/kernel/pic.c +++ /dev/null @@ -1,24 +0,0 @@ -#include <io.h> -#include <pic.h> - -void remap_pic(void) -{ - // save masks -// uint8_t a1 = inb(PIC1_DATA); -// uint8_t a2 = inb(PIC2_DATA); - - // starts the initialization sequence (in cascade mode) - outb(PIC1_COMMAND, ICW1_INIT | ICW1_ICW4); - outb(PIC2_COMMAND, ICW1_INIT | ICW1_ICW4); - outb(PIC1_DATA, 0x20); // ICW2: Master PIC vector offset - outb(PIC2_DATA, 0x28); // ICW2: Slave PIC vector offset - outb(PIC1_DATA, 4); // ICW3: tell Master PIC that there is a slave PIC at IRQ2 (0000 0100) - outb(PIC2_DATA, 2); // ICW3: tell Slave PIC its cascade identity (0000 0010) - - outb(PIC1_DATA, ICW4_8086); - outb(PIC2_DATA, ICW4_8086); - - // mask interrupts - outb(PIC1_DATA, 0xfd); - outb(PIC2_DATA, 0xff); -} |