test

2026-07-20 01:53:04 +02:00
commit e71245c082
149 changed files with 8571 additions and 0 deletions
@@ -0,0 +1,57 @@
+#pragma once
+
+#include <stdint.h>
+#include <zinnia/mmio.h>
+
+struct local_apic {
+    uint32_t id;
+    uint32_t ticks_per_10ms;
+    struct mmio_view xapic_regs;
+};
+
+enum apic_delivery_mode {
+    APIC_DELIVERY_FIXED = 0b000,
+    APIC_DELIVERY_LOWESTPRIO = 0b001,
+    APIC_DELIVERY_SMI = 0b010,
+    APIC_DELIVERY_NMI = 0b100,
+    APIC_DELIVERY_INIT = 0b101,
+    APIC_DELIVERY_STARTUP = 0b110,
+};
+
+enum apic_dest_mode {
+    APIC_DEST_PHYSICAL = 0,
+    APIC_DEST_LOGICAL = 1,
+};
+
+enum apic_delivery_status {
+    APIC_DELIVERY_STATUS_IDLE = 0,
+    APIC_DELIVERY_STATUS_PENDING = 1,
+};
+
+enum apic_level {
+    APIC_LEVEL_DEASSERT = 0,
+    APIC_LEVEL_ASSERT = 1,
+};
+
+enum apic_trigger_mode {
+    APIC_TRIGGER_EDGE = 0,
+    APIC_TRIGGER_LEVEL = 1,
+};
+
+constexpr mmio_reg32 APIC_REG_ID = {.offset = 0x20};
+constexpr mmio_reg32 APIC_REG_TPR = {.offset = 0x80};
+constexpr mmio_reg32 APIC_REG_EOI = {.offset = 0xB0};
+constexpr mmio_reg32 APIC_REG_LDR = {.offset = 0xD0};
+constexpr mmio_reg32 APIC_REG_DFR = {.offset = 0xE0};
+constexpr mmio_reg32 APIC_REG_SIVR = {.offset = 0xF0};
+constexpr mmio_reg32 APIC_REG_ESR = {.offset = 0x280};
+constexpr mmio_reg32 APIC_REG_ICR = {.offset = 0x300};
+constexpr mmio_reg32 APIC_REG_ICR_HI = {.offset = 0x310};
+constexpr mmio_reg32 APIC_REG_LVT_TR = {.offset = 0x320};
+constexpr mmio_reg32 APIC_REG_ICR_TIMER = {.offset = 0x380};
+constexpr mmio_reg32 APIC_REG_CCR = {.offset = 0x390};
+constexpr mmio_reg32 APIC_REG_DCR = {.offset = 0x3E0};
+
+void lapic_init(struct local_apic* lapic);
+void lapic_eoi(struct local_apic* lapic);
+void pic_disable();