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2014-12-15 Stefan Wallentowitz <stefan.wallentowitz@tum.de>

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* or1k/Makefile.in: Add libor1k
        * or1k/README: New file
        * or1k/caches-asm.S: New file
        * or1k/exceptions-asm.S: New file
        * or1k/exceptions.c: New file
        * or1k/impure.c: New file
        * or1k/include/or1k-nop.h: New file
        * or1k/include/or1k-support.h: New file
        * or1k/interrupts-asm.S: New file
        * or1k/interrupts.c: New file
        * or1k/mmu-asm.S: New file
        * or1k/or1k-internals.h: New file
        * or1k/or1k_uart.c: New file
        * or1k/or1k_uart.h: New file
        * or1k/outbyte.S: New file
        * or1k/sbrk.c: New file
        * or1k/sync-asm.S: New file
        * or1k/syscalls.c: New file
        * or1k/timer.c: New file
        * or1k/util.c: New file
This commit is contained in:
Jeff Johnston
2014-12-15 20:17:39 +00:00
parent d1219c0e89
commit 68a9101237
21 changed files with 2583 additions and 1 deletions
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67
libgloss/or1k/or1k-internals.h Normal file
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#ifndef __OR1K_INTERNAL_H__
#define __OR1K_INTERNAL_H__
#include <stdint.h>
#include <string.h>
#include "include/or1k-support.h"
extern uint32_t* _or1k_stack_top;
extern size_t _or1k_stack_size;
extern uint32_t* _or1k_stack_bottom;
extern uint32_t* _or1k_exception_stack_top;
extern size_t _or1k_exception_stack_size;
extern uint32_t* _or1k_exception_stack_bottom;
#ifdef __OR1K_MULTICORE__
extern uint32_t* *_or1k_stack_core;
extern uint32_t* *_or1k_exception_stack_core;
#endif
// The first two vectors are not used (address 0 and reset)
#define OR1K_NUM_EXCEPTIONS 30
typedef or1k_exception_handler_fptr or1k_exception_handler_table_t[OR1K_NUM_EXCEPTIONS];
#ifdef __OR1K_MULTICORE__
extern or1k_exception_handler_table_t *_or1k_exception_handler_table;
#else
extern or1k_exception_handler_table_t _or1k_exception_handler_table;
#endif
typedef or1k_interrupt_handler_fptr or1k_interrupt_handler_table_t[32];
typedef void* or1k_interrupt_handler_data_ptr_table_t[32];
#ifdef __OR1K_MULTICORE__
extern or1k_interrupt_handler_table_t *_or1k_interrupt_handler_table;
extern or1k_interrupt_handler_data_ptr_table_t *_or1k_interrupt_handler_data_ptr_table;
#else
extern or1k_interrupt_handler_table_t _or1k_interrupt_handler_table;
extern or1k_interrupt_handler_data_ptr_table_t _or1k_interrupt_handler_data_ptr_table;
#endif
extern void _or1k_interrupt_handler(void);
struct _or1k_reent {
/* Tick timer variable */
volatile uint32_t or1k_timer_ticks;
/* Tick rate storage */
uint32_t or1k_timer_period;
uint32_t or1k_timer_mode;
};
#ifdef __OR1K_MULTICORE__
extern struct _or1k_reent (*_or1k_reent)[];
#define OR1K_REENT (*_or1k_reent)[or1k_coreid()]
#else
extern struct _or1k_reent _or1k_reent;
#define OR1K_REENT _or1k_reent
#endif
extern void _or1k_reent_init();
#endif