8da028f518
So yeah, now keep trace of those physical pages on kernel heap, Windows does that, linux does that, I have to do that since there are more attributes(paged/non-paged) that the kernel requires. Hmm finished PMM alpha and redefined all those PMM/VMM interfaces. The code is still broken right now.
53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
#ifndef _S_INTR_H_
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#define _S_INTR_H_
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#include "g_abi.h"
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typedef struct
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{
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uint32_t timer_intr_vec;
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uint32_t apc_intr_vec;
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uint32_t dpc_intr_vec;
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} k_hal_intr_info_t;
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typedef enum
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{
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unrecoverable_exc,
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div_by_zero_exc,
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general_protection_exc,
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invalid_op_exc,
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page_fault_exc,
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unsupported_exc,
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debug_exc
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} k_exc_type_t;
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// IRQL APIs
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typedef uint64_t k_irql_t;
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#define K_IRQL_DISABLED_LEVEL 3
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#define K_IRQL_DPC_LEVEL 2
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#define K_IRQL_APC_LEVEL 1
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#define K_IRQL_PASSIVE_LEVEL 0
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extern KAPI k_irql_t k_set_irql(k_irql_t irql);
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extern KAPI k_irql_t k_get_irql();
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// Interrupt handler registration
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// context is a parameter passed by the kernel. HAL must pass back.
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// intr_stack is a parameter passed by the HAL. Used by some HAL interrupt context functions.
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typedef void ( KAPI *k_intr_handler_t)(void *context, void *intr_stack);
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extern void KAPI k_register_intr_handler(uint32_t index, k_intr_handler_t handler);
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extern k_intr_handler_t KAPI k_deregister_intr_handler(uint32_t index);
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// Exception handler registration
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typedef void ( KAPI *k_exc_handler_t)(uint64_t exc_addr, uint64_t exc_stack, uint64_t error_code);
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extern void KAPI k_register_exc_handler(k_exc_type_t type, k_exc_handler_t handler);
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extern k_exc_handler_t KAPI k_deregister_exc_handler(uint64_t index);
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extern void KAPI k_halt_cpu();
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#endif |