Changes in kernel/arch/ia32/include/interrupt.h [6473d41:7a0359b] in mainline
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kernel/arch/ia32/include/interrupt.h
r6473d41 r7a0359b 38 38 #include <typedefs.h> 39 39 #include <arch/pm.h> 40 #include <trace.h> 40 41 41 #define IVT_ITEMS 42 #define IVT_FIRST 42 #define IVT_ITEMS IDT_ITEMS 43 #define IVT_FIRST 0 43 44 44 #define EXC_COUNT 45 #define IRQ_COUNT 45 #define EXC_COUNT 32 46 #define IRQ_COUNT 16 46 47 47 #define IVT_EXCBASE 48 #define IVT_IRQBASE 49 #define IVT_FREEBASE 48 #define IVT_EXCBASE 0 49 #define IVT_IRQBASE (IVT_EXCBASE + EXC_COUNT) 50 #define IVT_FREEBASE (IVT_IRQBASE + IRQ_COUNT) 50 51 51 #define IRQ_CLK 52 #define IRQ_KBD 53 #define IRQ_PIC1 54 #define IRQ_PIC_SPUR 55 #define IRQ_MOUSE 56 #define IRQ_DP8390 52 #define IRQ_CLK 0 53 #define IRQ_KBD 1 54 #define IRQ_PIC1 2 55 #define IRQ_PIC_SPUR 7 56 #define IRQ_MOUSE 12 57 #define IRQ_DP8390 9 57 58 58 /* this one must have four least significant bits set to ones */59 #define VECTOR_APIC_SPUR 59 /* This one must have four least significant bits set to ones */ 60 #define VECTOR_APIC_SPUR (IVT_ITEMS - 1) 60 61 61 62 #if (((VECTOR_APIC_SPUR + 1) % 16) || VECTOR_APIC_SPUR >= IVT_ITEMS) … … 63 64 #endif 64 65 65 #define VECTOR_DEBUG 66 #define VECTOR_CLK 67 #define VECTOR_PIC_SPUR 68 #define VECTOR_SYSCALL 69 #define VECTOR_TLB_SHOOTDOWN_IPI 70 #define VECTOR_DEBUG_IPI 66 #define VECTOR_DEBUG 1 67 #define VECTOR_CLK (IVT_IRQBASE + IRQ_CLK) 68 #define VECTOR_PIC_SPUR (IVT_IRQBASE + IRQ_PIC_SPUR) 69 #define VECTOR_SYSCALL IVT_FREEBASE 70 #define VECTOR_TLB_SHOOTDOWN_IPI (IVT_FREEBASE + 1) 71 #define VECTOR_DEBUG_IPI (IVT_FREEBASE + 2) 71 72 72 73 typedef struct istate { … … 79 80 uint32_t ebp; 80 81 81 uint32_t ebp_frame; 82 uint32_t eip_frame; 83 82 uint32_t ebp_frame; /* imitation of frame pointer linkage */ 83 uint32_t eip_frame; /* imitation of return address linkage */ 84 84 85 uint32_t gs; 85 86 uint32_t fs; 86 87 uint32_t es; 87 88 uint32_t ds; 88 89 uint32_t error_word; 89 90 uint32_t error_word; /* real or fake error word */ 90 91 uint32_t eip; 91 92 uint32_t cs; 92 93 uint32_t eflags; 93 uint32_t esp; 94 uint32_t ss; 94 uint32_t esp; /* only if istate_t is from uspace */ 95 uint32_t ss; /* only if istate_t is from uspace */ 95 96 } istate_t; 96 97 97 98 /** Return true if exception happened while in userspace */ 98 static inline int istate_from_uspace(istate_t *istate)99 NO_TRACE static inline int istate_from_uspace(istate_t *istate) 99 100 { 100 101 return !(istate->eip & 0x80000000); 101 102 } 102 103 103 static inline void istate_set_retaddr(istate_t *istate, uintptr_t retaddr) 104 NO_TRACE static inline void istate_set_retaddr(istate_t *istate, 105 uintptr_t retaddr) 104 106 { 105 107 istate->eip = retaddr; 106 108 } 107 109 108 static inline unative_t istate_get_pc(istate_t *istate)110 NO_TRACE static inline unative_t istate_get_pc(istate_t *istate) 109 111 { 110 112 return istate->eip; 111 113 } 112 114 113 static inline unative_t istate_get_fp(istate_t *istate)115 NO_TRACE static inline unative_t istate_get_fp(istate_t *istate) 114 116 { 115 117 return istate->ebp; 116 118 } 117 119 118 extern void (* disable_irqs_function)(uint16_t irqmask);119 extern void (* enable_irqs_function)(uint16_t irqmask);120 extern void (* disable_irqs_function)(uint16_t); 121 extern void (* enable_irqs_function)(uint16_t); 120 122 extern void (* eoi_function)(void); 121 123 122 124 extern void interrupt_init(void); 123 extern void trap_virtual_enable_irqs(uint16_t irqmask);124 extern void trap_virtual_disable_irqs(uint16_t irqmask);125 extern void trap_virtual_enable_irqs(uint16_t); 126 extern void trap_virtual_disable_irqs(uint16_t); 125 127 126 128 #endif
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