1 #ifndef CFLAT_APIC_H 2 #define CFLAT_APIC_H 3 4 #include <stdint.h> 5 #include "apic-defs.h" 6 7 typedef struct { 8 uint8_t vector; 9 uint8_t delivery_mode:3; 10 uint8_t dest_mode:1; 11 uint8_t delivery_status:1; 12 uint8_t polarity:1; 13 uint8_t remote_irr:1; 14 uint8_t trig_mode:1; 15 uint8_t mask:1; 16 uint8_t reserve:7; 17 uint8_t reserved[4]; 18 uint8_t dest_id; 19 } ioapic_redir_entry_t; 20 21 typedef enum trigger_mode { 22 TRIGGER_EDGE = 0, 23 TRIGGER_LEVEL, 24 TRIGGER_MAX, 25 } trigger_mode_t; 26 27 void mask_pic_interrupts(void); 28 29 void eoi(void); 30 uint8_t apic_get_tpr(void); 31 void apic_set_tpr(uint8_t tpr); 32 33 void ioapic_write_redir(unsigned line, ioapic_redir_entry_t e); 34 void ioapic_write_reg(unsigned reg, uint32_t value); 35 ioapic_redir_entry_t ioapic_read_redir(unsigned line); 36 uint32_t ioapic_read_reg(unsigned reg); 37 38 void set_mask(unsigned line, int mask); 39 40 void enable_apic(void); 41 uint32_t apic_read(unsigned reg); 42 bool apic_read_bit(unsigned reg, int n); 43 void apic_write(unsigned reg, uint32_t val); 44 void apic_icr_write(uint32_t val, uint32_t dest); 45 uint32_t apic_id(void); 46 47 int enable_x2apic(void); 48 void reset_apic(void); 49 50 #endif 51