compat_layer.h

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/*
 * SPDX-FileCopyrightText: 2025 Tom Hert <git@annsann.eu>
 * SPDX-FileCopyrightText: 2025 HAW Hamburg
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once

 
#include "periph_cpu.h"
#include <stdint.h>
 
#ifdef RP2350_USE_RISCV
#   include "xh3irq.h"
#   define __h3_block() __asm__("slt x0, x0, x0")
#   define __h3_unblock() __asm__("slt x0, x0, x1")
#else
    extern uint32_t _isr_vectors;
#endif
 
#ifdef __cplusplus
extern "C" {
#endif

static inline void rp_irq_enable(uint32_t irq_no)
{
#ifdef RP2350_USE_RISCV
    xh3irq_enable_irq(irq_no);
#else
    NVIC_EnableIRQ(irq_no);
#endif
}

static inline void rp_irq_disable(uint32_t irq_no)
{
#ifdef RP2350_USE_RISCV
    xh3irq_disable_irq(irq_no);
#else
    NVIC_DisableIRQ(irq_no);
#endif
}

static inline void rp_end_isr(void)
{
#ifdef RP2350_USE_ARM
    cortexm_isr_end();
#endif
}

static inline void rp_arch_init(void)
{
#ifdef RP2350_USE_RISCV
    riscv_init();
#else
    cortexm_init();
#endif
}

static inline void rp_block_core(void)
{
#ifdef RP2350_USE_RISCV
    __h3_block();
#else
    __WFI();
#endif
}

static inline void rp_unblock_core(void)
{
#ifdef RP2350_USE_RISCV
    __h3_unblock();
#else
    __SEV();
#endif
}

static inline uint32_t* rp_get_vector_poiner(void)
{
#ifdef RP2350_USE_RISCV
    return (uint32_t*)vector_cpu;
#else
    return &_isr_vectors;
#endif
}
 
#ifdef __cplusplus
}
#endif