feat: PCI bus probing

[lunaix-os.git] / lunaix-os / includes / hal / apic.h

diff --git a/lunaix-os/includes/hal/apic.h b/lunaix-os/includes/hal/apic.h
index f4ab92c1378050073aed9656b02c76eddf3f2f8a..f96799cbb05ac2678b3966239b65abcf3f3c0a82 100644 (file)
--- a/lunaix-os/includes/hal/apic.h
+++ b/lunaix-os/includes/hal/apic.h
@@ -1,70 +1,73 @@
 #ifndef __LUNAIX_APIC_H
 #define __LUNAIX_APIC_H
 
+#include <lunaix/common.h>
 #include <stdint.h>
 
-#define APIC_BASE_VADDR 0x1000
 #define __APIC_BASE_PADDR 0xFEE00000
 
-#define IA32_APIC_BASE_MSR 0x1B
-#define IA32_APIC_ENABLE   0x800
+#define IA32_MSR_APIC_BASE 0x1B
+#define IA32_APIC_ENABLE 0x800
 
 /*
- *  Common APIC memory-mapped registers 
+ *  Common APIC memory-mapped registers
  *              Ref: Intel Manual, Vol. 3A, Table 10-1
  */
 
-#define APIC_IDR        0x20        // ID Reg
-#define APIC_VER        0x30        // Version Reg
-#define APIC_TPR        0x80        // Task Priority
-#define APIC_APR        0x90        // Arbitration Priority
-#define APIC_PPR        0xA0        // Processor Priority
-#define APIC_EOI        0xB0        // End-Of-Interrupt
-#define APIC_RRD        0xC0        // Remote Read
-#define APIC_LDR        0xD0        // Local Destination Reg
-#define APIC_DFR        0xE0        // Destination Format Reg
-#define APIC_SPIVR      0xF0        // Spurious Interrupt Vector Reg
-#define APIC_ISR_BASE   0x100       // Base address for In-Service-Interrupt bitmap register (256bits)
-#define APIC_TMR_BASE   0x180       // Base address for Trigger-Mode bitmap register (256bits)
-#define APIC_IRR_BASE   0x200       // Base address for Interrupt-Request bitmap register (256bits)
-#define APIC_ESR        0x280       // Error Status Reg
-#define APIC_ICR_BASE   0x300       // Interrupt Command
-#define APIC_LVT_LINT0  0x350
-#define APIC_LVT_LINT1  0x360
-#define APIC_LVT_ERROR  0x370
+#define APIC_IDR 0x20   // ID Reg
+#define APIC_VER 0x30   // Version Reg
+#define APIC_TPR 0x80   // Task Priority
+#define APIC_APR 0x90   // Arbitration Priority
+#define APIC_PPR 0xA0   // Processor Priority
+#define APIC_EOI 0xB0   // End-Of-Interrupt
+#define APIC_RRD 0xC0   // Remote Read
+#define APIC_LDR 0xD0   // Local Destination Reg
+#define APIC_DFR 0xE0   // Destination Format Reg
+#define APIC_SPIVR 0xF0 // Spurious Interrupt Vector Reg
+#define APIC_ISR_BASE                                                          \
+    0x100 // Base address for In-Service-Interrupt bitmap register (256bits)
+#define APIC_TMR_BASE                                                          \
+    0x180 // Base address for Trigger-Mode bitmap register (256bits)
+#define APIC_IRR_BASE                                                          \
+    0x200 // Base address for Interrupt-Request bitmap register (256bits)
+#define APIC_ESR 0x280      // Error Status Reg
+#define APIC_ICR_BASE 0x300 // Interrupt Command
+#define APIC_LVT_LINT0 0x350
+#define APIC_LVT_LINT1 0x360
+#define APIC_LVT_ERROR 0x370
 
 // APIC Timer specific
-#define APIC_TIMER_LVT  0x320
-#define APIC_TIMER_ICR  0x380       // Initial Count
-#define APIC_TIMER_CCR  0x390       // Current Count
-#define APIC_TIMER_DCR  0x3E0       // Divide Configuration
+#define APIC_TIMER_LVT 0x320
+#define APIC_TIMER_ICR 0x380 // Initial Count
+#define APIC_TIMER_CCR 0x390 // Current Count
+#define APIC_TIMER_DCR 0x3E0 // Divide Configuration
 
-#define APIC_SPIV_FOCUS_DISABLE     0x200
-#define APIC_SPIV_APIC_ENABLE       0x100
-#define APIC_SPIV_EOI_BROADCAST     0x1000
+#define APIC_SPIV_FOCUS_DISABLE 0x200
+#define APIC_SPIV_APIC_ENABLE 0x100
+#define APIC_SPIV_EOI_BROADCAST 0x1000
 
-#define LVT_DELIVERY_FIXED          0
-#define LVT_DELIVERY_NMI            (0x4 << 8)
-#define LVT_TRIGGER_EDGE            (0   << 15)
-#define LVT_TRIGGER_LEVEL           (1   << 15)
-#define LVT_MASKED                  (1   << 16)
-#define LVT_TIMER_ONESHOT           (0   << 17)
-#define LVT_TIMER_PERIODIC          (1   << 17)
+#define LVT_DELIVERY_FIXED 0
+#define LVT_DELIVERY_NMI (0x4 << 8)
+#define LVT_TRIGGER_EDGE (0 << 15)
+#define LVT_TRIGGER_LEVEL (1 << 15)
+#define LVT_MASKED (1 << 16)
+#define LVT_TIMER_ONESHOT (0 << 17)
+#define LVT_TIMER_PERIODIC (1 << 17)
 
 // Dividers for timer. See Intel Manual Vol3A. 10-17 (pp. 3207), Figure 10-10
-#define APIC_TIMER_DIV1             0b1011
-#define APIC_TIMER_DIV2             0b0000
-#define APIC_TIMER_DIV4             0b0001
-#define APIC_TIMER_DIV8             0b0010
-#define APIC_TIMER_DIV16            0b0011
-#define APIC_TIMER_DIV32            0b1000
-#define APIC_TIMER_DIV64            0b1001
-#define APIC_TIMER_DIV128           0b1010
+#define APIC_TIMER_DIV1 0b1011
+#define APIC_TIMER_DIV2 0b0000
+#define APIC_TIMER_DIV4 0b0001
+#define APIC_TIMER_DIV8 0b0010
+#define APIC_TIMER_DIV16 0b0011
+#define APIC_TIMER_DIV32 0b1000
+#define APIC_TIMER_DIV64 0b1001
+#define APIC_TIMER_DIV128 0b1010
 
-#define APIC_PRIORITY(cls, subcls)  (((cls) << 4) | (subcls))
+#define APIC_PRIORITY(cls, subcls) (((cls) << 4) | (subcls))
 
-#define apic_read_reg(reg)           (*(uint32_t*)(APIC_BASE_VADDR + (reg)))
-#define apic_write_reg(reg, val)     (*(uint32_t*)(APIC_BASE_VADDR + (reg)) = (val))
+#define apic_read_reg(reg) (*(uint32_t*)(MMIO_APIC + (reg)))
+#define apic_write_reg(reg, val) (*(uint32_t*)(MMIO_APIC + (reg)) = (val))
 
 void
 apic_init();
@@ -72,10 +75,11 @@ apic_init();
 /**
  * @brief Tell the APIC that the handler for current interrupt is finished.
  * This will issue a write action to EOI register.
- * 
+ *
  */
 inline static void
-apic_done_servicing() {
+apic_done_servicing()
+{
     apic_write_reg(APIC_EOI, 0);
 }