68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
#ifndef __OR1K_INTERNAL_H__
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#define __OR1K_INTERNAL_H__
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#include <stdint.h>
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#include <string.h>
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#include "include/or1k-support.h"
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extern uint32_t* _or1k_stack_top;
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extern size_t _or1k_stack_size;
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extern uint32_t* _or1k_stack_bottom;
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extern uint32_t* _or1k_exception_stack_top;
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extern size_t _or1k_exception_stack_size;
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extern uint32_t* _or1k_exception_stack_bottom;
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#ifdef __OR1K_MULTICORE__
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extern uint32_t* *_or1k_stack_core;
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extern uint32_t* *_or1k_exception_stack_core;
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#endif
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// The first two vectors are not used (address 0 and reset)
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#define OR1K_NUM_EXCEPTIONS 30
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typedef or1k_exception_handler_fptr or1k_exception_handler_table_t[OR1K_NUM_EXCEPTIONS];
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#ifdef __OR1K_MULTICORE__
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extern or1k_exception_handler_table_t *_or1k_exception_handler_table;
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#else
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extern or1k_exception_handler_table_t _or1k_exception_handler_table;
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#endif
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typedef or1k_interrupt_handler_fptr or1k_interrupt_handler_table_t[32];
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typedef void* or1k_interrupt_handler_data_ptr_table_t[32];
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#ifdef __OR1K_MULTICORE__
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extern or1k_interrupt_handler_table_t *_or1k_interrupt_handler_table;
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extern or1k_interrupt_handler_data_ptr_table_t *_or1k_interrupt_handler_data_ptr_table;
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#else
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extern or1k_interrupt_handler_table_t _or1k_interrupt_handler_table;
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extern or1k_interrupt_handler_data_ptr_table_t _or1k_interrupt_handler_data_ptr_table;
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#endif
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extern void _or1k_interrupt_handler(void);
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struct _or1k_reent {
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/* Tick timer variable */
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volatile uint32_t or1k_timer_ticks;
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/* Tick rate storage */
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uint32_t or1k_timer_period;
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uint32_t or1k_timer_mode;
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};
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#ifdef __OR1K_MULTICORE__
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extern struct _or1k_reent (*_or1k_reent)[];
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#define OR1K_REENT (*_or1k_reent)[or1k_coreid()]
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#else
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extern struct _or1k_reent _or1k_reent;
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#define OR1K_REENT _or1k_reent
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#endif
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extern void _or1k_reent_init();
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#endif
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