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29 lines
649 B
C
29 lines
649 B
C
#ifndef EXOSPHERE_UTILS_H
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#define EXOSPHERE_UTILS_H
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#include <stdint.h>
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#include <stddef.h>
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#define BIT(x) (1u << (x))
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#define BITL(x) (1ull << (x))
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void panic(void);
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uint32_t get_physical_address(void *vaddr);
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static inline uint32_t read32le(const void *dword, size_t offset) {
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return *(uint32_t *)((uintptr_t)dword + offset);
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}
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static inline uint32_t read32be(const unsigned char *dword, size_t offset) {
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return __builtin_bswap32(read32le(dword, offset));
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}
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static inline unsigned int get_core_id(void) {
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unsigned int core_id;
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__asm__ __volatile__ ("mrs %0, MPIDR_EL1" : "=r"(core_id));
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return core_id & 3;
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}
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#endif
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