refactor: one more step towards arch-agnostic design

[lunaix-os.git] / lunaix-os / hal / ioapic.c

diff --git a/lunaix-os/hal/ioapic.c b/lunaix-os/hal/ioapic.c
deleted file mode 100644 (file)
index f0bd706..0000000
--- a/lunaix-os/hal/ioapic.c
+++ /dev/null
@@ -1,47 +0,0 @@
-#include <sys/interrupts.h>
-#include <hal/acpi/acpi.h>
-#include <hal/ioapic.h>
-#include <lunaix/common.h>
-#include <lunaix/mm/mmio.h>
-
-#define IOAPIC_REG_SEL *((volatile u32_t*)(_ioapic_base + IOAPIC_IOREGSEL))
-#define IOAPIC_REG_WIN *((volatile u32_t*)(_ioapic_base + IOAPIC_IOWIN))
-
-static volatile ptr_t _ioapic_base;
-
-void
-ioapic_init()
-{
-    // Remapping the IRQs
-
-    acpi_context* acpi_ctx = acpi_get_context();
-
-    _ioapic_base =
-      (ptr_t)ioremap(acpi_ctx->madt.ioapic->ioapic_addr & ~0xfff, 4096);
-}
-
-void
-ioapic_write(u8_t sel, u32_t val)
-{
-    IOAPIC_REG_SEL = sel;
-    IOAPIC_REG_WIN = val;
-}
-
-u32_t
-ioapic_read(u8_t sel)
-{
-    IOAPIC_REG_SEL = sel;
-    return IOAPIC_REG_WIN;
-}
-
-void
-ioapic_redirect(u8_t irq, u8_t vector, u8_t dest, u32_t flags)
-{
-    u8_t reg_sel = IOAPIC_IOREDTBL_BASE + irq * 2;
-
-    // Write low 32 bits
-    ioapic_write(reg_sel, (vector | flags) & 0x1FFFF);
-
-    // Write high 32 bits
-    ioapic_write(reg_sel + 1, (dest << 24));
-}
\ No newline at end of file