makefile: add i686/arch.a target

1 files changed, 0 insertions, 46 deletions

diff --git a/arch/i686/lidt.c b/arch/i686/lidt.c
deleted file mode 100644
index efbade3..0000000
--- a/arch/i686/lidt.c
+++ /dev/null
@@ -1,46 +0,0 @@
-#include <idt.h>
-#include <stdint.h>
-
-struct __attribute__((packed)) Pointer {
-  uint16_t limit;
-  uint32_t base;
-};
-
-enum Type {
-  Null = 0,
-  Intr = 0b10001110, // 32-bit interrupt
-};
-
-struct __attribute__((packed)) Gate_t {
-  uint16_t offset_15_0;  // segment offset low
-  uint16_t selector;     // code segment selector
-  uint8_t __unused;      // unused in protected mode
-  uint8_t type;          // interrupt type
-  uint16_t offset_31_16; // segment offset high
-};
-_Static_assert(sizeof(struct Gate_t) == 8);
-
-void
-Gate(struct Gate_t *entry, void *f, uint16_t selector)
-{
-  uint32_t f_addr = (uint32_t)f;
-  entry->offset_15_0 = f_addr & 0xffff;
-  entry->offset_31_16 = (f_addr >> 16) & 0xffff;
-  entry->selector = selector;
-  entry->__unused = 0;
-  entry->type = Intr;
-}
-
-static struct Gate_t interrupt_table[256] __attribute((aligned(4096)));
-
-void
-idt_install()
-{
-  for (int i = 0; i <= 0x2f; ++i) Gate(&interrupt_table[i], &interrupt_handler, 0x10);
-  Gate(&interrupt_table[0x80], &abort_handler, 0x10);
-
-  const struct Pointer ptr = {.limit = sizeof(interrupt_table) - 1, .base = (unsigned)&interrupt_table};
-  asm volatile("lidt (%0)" : : "a"(&ptr));
-
-  asm volatile("sti");
-}