33 lines
899 B
C
33 lines
899 B
C
// See LICENSE for license details.
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#ifndef _ISS_PLATFORM_H
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#define _ISS_PLATFORM_H
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// Some things missing from the official encoding.h
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#define MCAUSE_INT 0x80000000
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#define MCAUSE_CAUSE 0x7FFFFFFF
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#include "rtl/const.h"
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/****************************************************************************
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* Platform definitions
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*****************************************************************************/
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#define MEM_BASE_ADDR _AC(0x00000000,UL)
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// Helper functions
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#define _REG32(p, i) (*(volatile uint32_t *) ((p) + (i)))
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#define _REG32P(p, i) ((volatile uint32_t *) ((p) + (i)))
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// Misc
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#include <stdint.h>
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void init_pll(void);
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unsigned long get_cpu_freq(void);
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unsigned long get_timer_freq(void);
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uint64_t get_timer_value(void);
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int is_uart_ready(int uart_id);
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int try_write_uart_char(int uart_id, char);
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void write_uart_char(int uart_id, char);
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#endif /* _ISS_PLATFORM_H */
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