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https://github.com/cirosantilli/linux-kernel-module-cheat.git
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29 lines
684 B
C
29 lines
684 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <lkmc.h>
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void lkmc_assert(bool condition) {
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if (!condition)
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lkmc_assert_fail();
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}
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void lkmc_assert_fail() {
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puts("lkmc_test_fail");
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exit(1);
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}
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#if defined(__aarch64__)
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#define LKMC_SYSREG_READ_WRITE(type, name) \
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type CONCAT(CONCAT(LKMC_SYSREG_SYMBOL_PREFIX, name), _read(void)) { \
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type name; \
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__asm__ __volatile__("mrs %0, " #name : "=r" (name) : : ); \
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return name; \
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} \
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void CONCAT(CONCAT(LKMC_SYSREG_SYMBOL_PREFIX, name), _write(type name)) { \
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__asm__ __volatile__("msr " #name ", %0" : : "r" (name) : ); \
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}
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LKMC_SYSREG_OPS
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#undef LKMC_SYSREG_READ_WRITE
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#endif
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