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#ifndef _ARM_BUILTINS_H
#define _ARM_BUILTINS_H
#include "stdint.h"
#define CPTR_TFP (1 << 10)
#define CPTR_TCPAC (1 << 31)
#define SCTLR_nTWI (1 << 16)
#define SCTLR_nTWE (1 << 18)
#define SCR_WFI (1 << 12)
#define SCR_WFE (1 << 13)
#define __exception_return(_x0) asm volatile ("eret\n")
#define __get_exception_return(_addr) \
asm volatile("mrs x0, currentel\n" \
"cmp x0, #0x4\n" \
"b.eq elrel1\n" \
"cmp x0, #0x8\n" \
"b.eq elrel2\n" \
"elrel3: mrs %0, elr_el3\n" \
"b elrdone\n" \
"elrel2: mrs %0, elr_el2\n" \
"b elrdone\n" \
"elrel1: mrs %0, elr_el1\n" \
"elrdone:\n" : "=r" (_addr))
#define __get_exception_address(_addr) \
asm volatile("mrs x0, currentel\n" \
"cmp x0, #0x4\n" \
"b.eq farel1\n" \
"cmp x0, #0x8\n" \
"b.eq farel2\n" \
"farel3: mrs %0, far_el3\n" \
"b fardone\n" \
"farel2: mrs %0, far_el2\n" \
"b fardone\n" \
"farel1: mrs %0, far_el1\n" \
"fardone:\n" : "=r" (_addr))
extern uint64_t read_currentel();
extern void write_currentel(uint64_t);
extern uint64_t read_scr_el3();
extern void write_scr_el3(uint64_t);
extern uint64_t read_sder32_el3();
extern void write_sder32_el3(uint64_t);
extern uint64_t read_cptr_el3();
extern void write_cptr_el3(uint64_t);
extern uint64_t read_cpacr_el1();
extern void write_cpacr_el1(uint64_t);
extern uint64_t read_cpacr_el1();
extern void write_cpacr_el1(uint64_t);
extern uint64_t read_sctlr_el1();
extern void write_sctlr_el1(uint64_t);
extern void __set_exception_return(uint64_t);
#endif
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