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/*
* asm.h -- ARM thumb assembly instructions
*
* Copyright (C) 2016-2017 Tomasz Kramkowski <tk@the-tk.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef FMK_ASM_H
#define FMK_ASM_H
#include <stdint.h>
#define CLI() __asm__ ("cpsid i")
#define STI() __asm__ ("cpsie i")
#define WFI() __asm__ ("wfi")
#define DMB() __asm__ ("dmb")
static inline uint32_t get_BASEPRI(void)
{
uint32_t ret;
__asm__ volatile ("mrs %0, basepri" :"=r"(ret));
return ret;
}
static inline void set_BASEPRI(uint32_t p)
{
__asm__ ("msr basepri, %0" ::"r"(p));
}
#endif /* FMK_ASM_H */
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