#pragma once

/* The SSI should be routed to channel 126, which is the lowest priority.
 * This maps to bit 30 of the REQENA*3 registers.
 * NOTE: this is not the SSI's default VIM channel. */
#ifndef RT_VIM_SSI_CHANNEL
#define RT_VIM_SSI_CHANNEL 126
#endif

#define RT_VIM_REQENASET 0xFFFFFE30
#define RT_VIM_REQENACLR 0xFFFFFE40

#ifndef __ASSEMBLER__

#include <vim.h>

#include <rt/assert.h>

#include <stddef.h>

static volatile uint32_t *const SYS_SSIR1 = (volatile uint32_t *)0xFFFFFFB0UL;

#define SYS_SSIR1_KEY (UINT32_C(0x75) << 8)

static inline void vic_syscall_pend(void)
{
    *SYS_SSIR1 = SYS_SSIR1_KEY;
}

rt_static_assert(offsetof(struct vim, reqenaset) + VIM_BASE == RT_VIM_REQENASET,
                 "RT_VIM_REQENASET is incorrect");
rt_static_assert(offsetof(struct vim, reqenaclr) + VIM_BASE == RT_VIM_REQENACLR,
                 "RT_VIM_REQENACLR is incorrect");

#endif // !defined(__ASSEMBLER__)